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WO2020118539A1 - 一种手术负压吸引装置 - Google Patents

一种手术负压吸引装置 Download PDF

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Publication number
WO2020118539A1
WO2020118539A1 PCT/CN2018/120450 CN2018120450W WO2020118539A1 WO 2020118539 A1 WO2020118539 A1 WO 2020118539A1 CN 2018120450 W CN2018120450 W CN 2018120450W WO 2020118539 A1 WO2020118539 A1 WO 2020118539A1
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WO
WIPO (PCT)
Prior art keywords
negative pressure
cylindrical
vacuum pump
liquid
parts
Prior art date
Application number
PCT/CN2018/120450
Other languages
English (en)
French (fr)
Inventor
王晶
高红
崔佰红
Original Assignee
王晶
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 王晶 filed Critical 王晶
Priority to ZA2020/03570A priority Critical patent/ZA202003570B/en
Publication of WO2020118539A1 publication Critical patent/WO2020118539A1/zh

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    • A61M1/0003—
    • A61M1/0023—
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/002—Physical properties
    • C08K2201/003—Additives being defined by their diameter
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation

Definitions

  • the present invention relates to the technical field of medical devices, and more specifically, it relates to a surgical negative pressure suction device.
  • the heart is one of the most important organs in the body of vertebrates. Its main function is to provide pressure for blood flow and to run blood to all parts of the body.
  • the human heart is located on the lower left side of the middle of the chest cavity, the volume is about the size of a fist, and the weight is about 250 grams. Women’s hearts are usually smaller and lighter than men’s.
  • the human heart is shaped like a peach, located above the diaphragm, between the lungs and to the left.
  • Heart disease is one of the common diseases of human beings. Severe heart disease requires timely surgical treatment, otherwise it will be life-threatening.
  • the negative suction pump of the heart surgery is usually used.
  • the collection bottle is easy to tip, resulting in the outflow of the liquid inside the collection bottle and contamination
  • the liquid in the collection bottle easily enters the interior of the vacuum pump, which is often The liquid is damaged, thereby seriously shortening the service life.
  • the diseased tissue of the patient is often scratched due to the suction of the waste fluid generated during the operation, resulting in more trauma during the cardiac operation of the patient.
  • the noise of the vacuum pump is too large during the operation, which seriously affects the medical staff
  • a surgical negative pressure suction device is proposed for this purpose.
  • the object of the present invention is to provide a surgical negative pressure suction device, which can effectively prevent the collection bottle from tipping, prevent the liquid inside the collection bottle from flowing out, and can effectively avoid the liquid pollution inside the collection bottle
  • the setting of the one-way valve can effectively prevent the liquid inside the collection bottle from flowing out through the first hose
  • the setting of the overflow valve can effectively prevent the liquid inside the collection bottle from passing through the second soft
  • the tube enters the inside of the vacuum pump, which can effectively prevent the vacuum pump from being damaged due to entering the liquid, thereby ensuring the service life of the device.
  • the negative pressure is used to attract the waste liquid generated during the cardiac operation of the patient, providing a clear surgical field environment for medical staff to ensure the operation
  • the smooth progress of the patient can prevent the patient's diseased tissue from being scratched, which can effectively reduce the trauma caused by the patient's heart surgery, and can prevent the vacuum pump from working too loudly and affecting the medical staff to perform the operation.
  • the present invention provides the following technical solutions:
  • a surgical negative pressure suction device includes a bottom support portion, a liquid collection device, and a negative pressure generation device.
  • the liquid collection device is detachably mounted on the upper portion of the bottom support portion, and the liquid collection device and the negative pressure The connection setting of the generating device;
  • the bottom support portion includes a cylindrical base, and a cylindrical groove is provided on an upper portion of the cylindrical base, and three first rubber feet are installed at the bottom of the cylindrical base at an equal angle with the center of the bottom as a center;
  • the liquid collecting device includes a liquid collecting bottle detachably installed inside the cylindrical groove, an end cap is screwed on an upper end of the liquid collecting bottle, and an upper part of the end cap communicates with a first connecting pipe and a Two connecting pipes, and a check valve communicating with the bottom end of the first connecting pipe and an anti-overflow valve communicating with the bottom end of the second connecting pipe are fixedly installed at the bottom of the end cover, the first A first valve is provided in the middle of the connecting pipe, and a first plug interface is provided at the upper end of the first connecting pipe, a second valve is provided in the middle of the second connecting pipe, and an upper end of the second connecting pipe A second plug interface is provided for communication, and a first hose is plugged outside the first plug interface;
  • the negative pressure generating device includes a casing, and suction pipes and outlet pipes are symmetrically installed on both side walls of the casing, and a vacuum pump is fixedly installed on the inner bottom of the casing, and the suction port of the vacuum pump and the One end of the suction pipe communicates with each other, and the air outlet of the vacuum pump communicates with one end of the outlet pipe, and the other end of the suction pipe communicates with the second socket through a second hose
  • the third plug interface, the upper part of the housing is also fixedly installed with a vacuum pressure gauge communicating with the suction pipe.
  • the bottom support part supports the liquid collection bottle, which can effectively prevent the liquid collection bottle from tipping and prevent the liquid inside the liquid collection bottle from flowing out.
  • the liquid collection device is used to collect the waste liquid generated during the cardiac operation of the patient.
  • the setting of the valve can effectively prevent the liquid inside the collecting bottle from flowing out through the first hose
  • the setting of the anti-overflow valve can effectively prevent the liquid inside the collecting bottle from entering the inside of the vacuum pump through the second hose, which can effectively prevent the vacuum pump from entering the liquid
  • the negative pressure generating device is used to suck out the air inside the liquid collection bottle, so that the air pressure inside the liquid collection bottle is lower than its external air pressure to generate a negative pressure, and then the negative pressure is used to attract the waste liquid generated during cardiac surgery of the patient.
  • the anti-overflow valve includes a hollow valve body fixedly installed at the bottom of the end cover, and a third connection that communicates with an upper end and a bottom end of the second connection pipe is installed on the top wall of the hollow valve body And a first air inlet hole is provided on the side wall of the hollow valve body, a rubber valve core is movably arranged at the inner bottom of the hollow valve body, and a support rod is fixedly connected to the bottom of the rubber valve core The bottom end of the support rod extends through the bottom wall of the hollow valve body to the bottom of the hollow valve body.
  • a floating ball is connected to the outside of the bottom.
  • the liquid collection bottle is made of transparent plastic, and a scale line is provided on the outer surface of the liquid collection bottle.
  • a protection head is inserted into the end of the first hose away from the first socket, and the protection head includes an end inserted into the first hose away from the first socket
  • a plug-in tube inside the end and an arc-shaped silicone ferrule exposed outside the first hose, the plug-in tube and the arc-shaped silicone ferrule are integrally provided.
  • the arc-shaped silicone ferrule can directly contact the diseased tissue of the patient, and the end of the first hose can be prevented from directly contacting the diseased tissue of the patient In order to avoid scratching the diseased tissue of the patient, it can effectively reduce the trauma generated during the cardiac operation of the patient.
  • the setting of the insertion tube is convenient for the protective head to be installed on the protective head.
  • the housing is a square housing, and four second rubber feet are symmetrically provided at the corners of the bottom of the housing, and a control switch is also provided at the front of the housing.
  • the control switch is connected to the vacuum pump through a wire Electrical connection.
  • the four second rubber feet have a better supporting effect on the housing, and at the same time have the effect of anti-skid and shock absorption, the control switch is used to control the vacuum pump to work.
  • a safety valve is connected and installed on the suction pipe at a position outside the housing, the safety valve includes a cylindrical barrel, the upper end of the cylindrical barrel is a closed end, and the cylindrical
  • the bottom end of the cylinder body has an opening structure, and a second air inlet hole is centrally formed on the closed end wall of the cylindrical cylinder body, and the opening end of the cylindrical cylinder body is integrally provided with a first threaded portion, the cylinder
  • the cylindrical barrel is fixedly installed on the upper surface of the suction pipe through the first threaded portion, and a baffle is fixedly installed at a position near the opening end of the cylindrical barrel, and the interior of the baffle A plurality of through holes are evenly provided, and the upper part of the baffle is fixedly installed with an arc-shaped rubber top core through a spring, and the arc surface of the arc-shaped rubber top core interferes with the second air inlet hole.
  • a filter device is further provided on the second hose between the second plug interface and the third plug interface, the filter device includes a box body, and the two sides of the box body are symmetrically connected A fourth plug interface and a fifth plug interface both plugged inside the second hose are provided, and a stainless steel wire filter screen is fixedly installed in the center of the box body.
  • the stainless steel wire filter screen filters the gas passing through the second hose, which can prevent the dust and other foreign objects inside the collection bottle from directly entering the interior of the vacuum pump through the second hose.
  • the settings of the fourth and fifth sockets are convenient for installing the filter device on the second hose,
  • a cover plate is also installed on one side wall of the box body by screws, and a rubber sealing gasket is also provided between the cover plate and the side wall of the box body.
  • the rubber sealing gasket plays a sealing role, which can prevent air leakage between the cover plate and the side wall of the box body.
  • the cover plate is installed by screws, which makes it easy to remove the cover plate and clean the stainless steel wire filter mesh later.
  • a muffler device is fixedly installed at the other end of the air outlet pipe, and the muffler device includes a cylindrical shell, and a second threaded portion is integrally connected to one end wall of the cylindrical shell, and the A plurality of exhaust holes are evenly formed on one end wall of the cylindrical shell, the cylindrical shell is fixedly installed on the other end of the air outlet pipe through the second threaded portion, and the cylindrical shell A cylindrical hollow plate body with a plurality of round holes uniformly opened on the side wall is fixedly installed in the center.
  • the gas discharged from the vacuum pump can be dispersed into the inside of the cylindrical hollow plate body through the circular hole to change the sound frequency of the air flow, thereby achieving the purpose of noise reduction, which can prevent the vacuum pump from working too loudly and affecting the medical staff. surgery.
  • the surface of the shell is also provided with an anti-corrosion layer, and the anti-corrosion layer is prepared by the following method:
  • step S3 Add the mixed powder material prepared in step S2 to the mixed solution prepared in step S1, and continue to stir for 30-40min with a stirrer, the stirring speed is set to 700-900r/min, the temperature is set to 80-90°C, Obtain anti-corrosion coating;
  • the frequency of the ultrasonic cleaning machine is set to 40-60KHz, the temperature is set to 50-60°C, and the cleaning is 12-16min;
  • step S5 The shell cleaned in step S4 is dried with a hot air blower, and then the anticorrosive paint prepared in step S3 is evenly sprayed on the surface of the dried shell by using a high-pressure sprayer spray gun;
  • step S6 Put the shell 35 sprayed with anti-corrosion paint in step S5 in a drying room for drying.
  • the drying temperature is set at 100-120° C. and the time is set at 20-30 min, that is, the anti-corrosion layer is prepared on the surface of the shell.
  • the prepared anti-corrosion coating has a moderate viscosity, is not easy to delaminate, and no foam is generated, which is convenient for spraying, and the components are fully combined, and the comprehensive performance is good, so that the anti-corrosion coating can form a smooth, smooth, and uniform after spraying
  • the coating film is not easy to crack, the prepared anti-corrosion layer has good anti-corrosion and anti-aging performance, good adhesion, not easy to fall off, can effectively protect the surface of the shell from corrosion, thereby increasing the service life of the device.
  • the present invention mainly has the following beneficial effects:
  • the bottom supporting portion supports the liquid collection bottle, which can effectively prevent the liquid collection bottle from toppling, prevent the liquid inside the liquid collection bottle from flowing out, and effectively prevent the liquid inside the liquid collection bottle from contaminating the operating room, thereby avoiding iatrogenicity Spread of the virus;
  • the liquid collecting device is used to collect the waste liquid generated during the cardiac operation of the patient.
  • the setting of the one-way valve can effectively prevent the liquid inside the liquid collecting bottle from flowing out through the first hose, and the setting of the overflow prevention valve can effectively prevent the collecting
  • the liquid inside the liquid bottle enters the inside of the vacuum pump through the second hose, which can effectively prevent the vacuum pump from being damaged due to entering the liquid, thereby ensuring the service life of the device;
  • the negative pressure generating device is used to suck out the air in the liquid collection bottle, so that the air pressure inside the liquid collection bottle is lower than its external air pressure to generate negative pressure, and then use the negative pressure to attract the waste generated during the heart operation of the patient Liquid to provide a clear surgical field environment for medical staff to ensure the smooth operation of the operation;
  • the arc-shaped silicone ferrule when the device is used to attract the waste liquid generated during the operation, can directly contact the diseased tissue of the patient, and the end of the first hose can be prevented from directly contacting the diseased tissue of the patient. In order to avoid the patient's diseased tissue from being scratched, it can effectively reduce the trauma produced by the patient during cardiac surgery;
  • the stainless steel wire filter screen filters the gas passing through the second hose, which can prevent the dust and other foreign objects inside the collection bottle from directly entering the interior of the vacuum pump through the second hose, which can be avoided Foreign matter enters inside the vacuum pump;
  • the gas discharged from the vacuum pump can be dispersed into the interior of the cylindrical hollow plate through the circular hole to change the sound frequency of the air flow, thereby achieving the purpose of noise reduction, which can prevent the vacuum pump from working too loudly and affecting the medical staff to perform the operation ;
  • the prepared anti-corrosion coating has a moderate viscosity, is not easy to be layered, and no foam is generated, which is convenient for spraying, and the components are fully combined, and the comprehensive performance is good, so that the anti-corrosion coating can form a smooth, smooth, and even coating after spraying.
  • the film is not easy to crack, the prepared anti-corrosion layer has good anti-corrosion and anti-aging performance, good adhesion, not easy to fall off, it can effectively protect the surface of the shell from corrosion, thereby increasing the service life of the device, it is worth promoting and universal.
  • FIG. 1 is a schematic structural diagram of an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a liquid collecting device according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of an anti-overflow valve according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a filtering device according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a protective head according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a negative pressure generating device according to an embodiment of the present invention.
  • FIG. 7 is a schematic cross-sectional structural view of a negative pressure generating device according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a bottom support portion according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of the structure of a muffler device according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a safety valve according to an embodiment of the present invention.
  • Cylindrical base 33, cylindrical groove; 34, first rubber foot; 35, housing; 36, vacuum pressure gauge; 37, suction pipe; 38, third socket; 39, safety valve; 40, outlet pipe; 41, Silencer; 42, second rubber feet; 43, control switch; 44, vacuum pump; 45, cylindrical housing; 46, second threaded portion; 47, cylindrical hollow plate; 48, exhaust hole; 49, Cylindrical cylinder; 50, baffle; 51, first threaded portion; 52, through hole; 53, spring; 54, second air inlet hole; 55, curved rubber top core.
  • a surgical negative pressure suction device as shown in FIGS. 1-10, includes a bottom support portion 1 and a liquid collection device 2 and a negative pressure generating device 3, and the liquid collection device 2 is detachably mounted on the bottom support portion 1 The upper part, and the liquid collecting device 2 is connected to the negative pressure generating device 3;
  • the bottom support portion 1 includes a cylindrical base 32, and a cylindrical groove 33 is formed on the upper portion of the cylindrical base 32, and the bottom of the cylindrical base 32 is installed at three equal angles with the center of the bottom as the center of the circle.
  • the liquid collecting device 2 includes a liquid collecting bottle 9 detachably installed inside the cylindrical groove 33, an upper end of the liquid collecting bottle 9 is screwed with an end cover 10, and an upper portion of the end cover 10 communicates with The first connecting pipe 11 and the second connecting pipe 15, and the bottom of the end cover 10 is fixedly installed with a check valve 14 communicating with the bottom end of the first connecting pipe 11 and the bottom of the second connecting pipe 15
  • An anti-overflow valve 18 connected at both ends, a first valve 13 is provided in the middle of the first connection pipe 11, and a first insertion port 12 is provided at the upper end of the first connection pipe 11, and the second connection pipe 15 is provided with a second valve 17 in the middle, and a second socket 16 is connected to the upper end of the second connection pipe 15, and a first hose 5 is inserted outside the first socket 12;
  • the negative pressure generating device 3 includes a housing 35, on both side walls of which a suction tube 37 and an air outlet tube 40 are symmetrically installed, and a vacuum pump 44 is fixedly installed on the inner bottom of the housing 35, the vacuum pump
  • the suction port of 44 is connected to one end of the suction pipe 37
  • the outlet of the vacuum pump 44 is connected to one end of the outlet pipe 40
  • the other end of the suction pipe 37 is connected to
  • the second hose 6 communicates with the third socket 38 of the second socket 16, and a vacuum pressure gauge 36 communicating with the suction pipe 37 is fixedly installed on the upper portion of the housing 35.
  • the bottom support portion 1 supports the liquid collection bottle 9, which can effectively prevent the liquid collection bottle 9 from tipping and prevent the liquid inside the liquid collection bottle 9 from flowing out.
  • the liquid collection device 2 is used to collect For waste liquid, the setting of the check valve 14 can effectively prevent the liquid inside the collecting bottle 9 from flowing out through the first hose 5, and the setting of the overflow prevention valve 18 can effectively prevent the liquid inside the collecting bottle 9 from entering through the second hose 6.
  • the inside of the vacuum pump 44 can effectively prevent the vacuum pump 44 from being damaged by entering the liquid.
  • the negative pressure generating device 3 is used to suck out the air inside the liquid collection bottle 9 so that the air pressure inside the liquid collection bottle 9 is lower than its external air pressure to generate a negative pressure In order to use negative pressure to attract the waste liquid generated during cardiac surgery of the patient.
  • the anti-overflow valve 18 includes a hollow valve body 25 fixedly installed at the bottom of the end cover 10, and an upper end of the hollow valve body 25 communicates with an upper end and a bottom end of the second connecting pipe 15
  • a support rod 23 is fixedly connected to the bottom of the core 22. The bottom end of the support rod 23 extends through the bottom wall of the hollow valve body 25 to the outside of the bottom of the hollow valve body 25 to which a float 24 is connected.
  • the float 24 rises under the action of the buoyancy of the liquid, and the float 24 drives the support rod 23 to rise at the same time, and the support rod 23 drives the rubber spool 22 to rise and then The bottom end of the third connecting tube 20 is blocked, so that the liquid inside the collecting bottle 9 can be prevented from entering the inside of the vacuum pump 44 through the second hose 6, and the vacuum pump 44 can be effectively prevented from being damaged due to the entering liquid.
  • the liquid collection bottle 9 is made of transparent plastic, and a scale line 19 is provided on the outer surface of the liquid collection bottle 9. It is convenient to directly observe the inside of the liquid collection bottle 9 because it is convenient to handle the liquid collection bottle 9 in time, and the tick mark 19 is convenient for understanding the amount of waste liquid generated by the patient during cardiac surgery.
  • a protective head 7 is inserted into an end of the first hose 5 away from the first insertion port 12, and the protective head 7 includes a plug connected to the first hose 5 away from the A plug tube 30 inside one end of the first socket 12 and an arc-shaped silicone ferrule 31 exposed outside the first hose 5 are provided integrally with the arc-shaped silicone ferrule 31.
  • the curved silicone ferrule 31 can directly contact the diseased tissue of the patient, which can avoid the end of the first hose 5 directly contacting the diseased tissue of the patient, thereby avoiding the patient The diseased tissue is scratched, which can effectively reduce the trauma generated by the patient during cardiac surgery.
  • the installation of the insertion tube 30 facilitates the installation of the protective head 7 on the protective head 7.
  • the housing 35 is a square housing, and four second rubber feet 42 are symmetrically provided at the bottom corners of the housing 35, and a control switch 43 is further provided at the front of the housing 35.
  • the control switch 43 is electrically connected to the vacuum pump 44 through a wire.
  • the four second rubber feet 42 have a better supporting effect on the housing 35 and at the same time have the effect of anti-skid and shock absorption.
  • the control switch 43 is used to control the vacuum pump 44 to work.
  • a safety valve 39 is connected and installed on the suction pipe 37 at a position outside the casing 35, the safety valve 39 includes a cylindrical barrel 49, and the upper end of the cylindrical barrel 49 is closed And the bottom end of the cylindrical barrel 49 is an open structure, the closed end wall of the cylindrical barrel 49 is centrally provided with a second air inlet hole 54 and the open end of the cylindrical barrel 49
  • a first threaded portion 51 is integrally provided, the cylindrical barrel 49 is fixedly mounted on the upper surface of the suction pipe 37 through the first threaded portion 51, and the inside of the cylindrical barrel 49 is close to it
  • a baffle 50 is fixedly installed at the position of the open end, and a plurality of through holes 52 are evenly opened inside the baffle 50, and an upper part of the baffle 50 is fixedly installed with an arc-shaped rubber top core 55 by a spring 53, the arc The curved surface of the rubber-shaped top core 55 interferes with the second air inlet 54.
  • the second hose 6 is further provided with a filtering device 4 between the second plug port 16 and the third plug port 38
  • the filter device 4 includes a box body 26, the box The two sides of the body 26 are symmetrically connected with a fourth socket 28 and a fifth socket 29 that are both plugged into the inside of the second hose 6, and a stainless steel wire filter is fixedly installed in the center of the box 26 Net 27.
  • the stainless steel wire filter 27 filters the gas passing through the second hose 6, which can prevent the dust and other foreign substances inside the collection bottle 9 from directly entering the interior of the vacuum pump 44 through the second hose 6.
  • the arrangement of the fourth socket 28 and the fifth socket 29 facilitates the installation of the filter device 4 on the second hose 6,
  • a cover plate 8 is also installed on one side wall of the box body 26 by screws, and a rubber sealing gasket is further provided between the cover plate 8 and the side wall of the box body 26.
  • the rubber sealing gasket plays a sealing role, which can prevent air leakage between the cover plate 8 and the side wall of the box body 26.
  • the cover plate 8 is installed by screws, so that it is convenient to remove the cover plate 8 later to clean the stainless steel wire filter 27.
  • a muffler device 41 is fixedly installed at the other end of the air outlet tube 40, and the muffler device 41 includes a cylindrical housing 45, and one end of the cylindrical housing 45 communicates and is integrally provided with a second A screw portion 46 is provided, and a plurality of exhaust holes 48 are evenly formed on one end wall of the cylindrical housing 45, and the cylindrical housing 45 is fixedly installed on the air outlet pipe 40 through the second thread portion 46 At one end, and inside the cylindrical housing 45, a cylindrical hollow plate 47 with a plurality of round holes uniformly opened on the side wall is fixedly installed in the center.
  • the gas discharged from the vacuum pump 44 can be dispersed into the inside of the cylindrical hollow plate body 47 through the circular hole to change the sound frequency of the airflow, thereby achieving the purpose of noise reduction, which can prevent the vacuum pump 44 from working too loud and affecting the medical staff to perform the operation.
  • Embodiment 1 The difference from Embodiment 1 is that the surface of the housing 35 is further provided with an anti-corrosion layer, which is prepared by the following method:
  • step S3 Add the mixed powder material prepared in step S2 to the mixed solution prepared in step S1, and continue to stir for 30 minutes using a stirrer, the stirring speed is set to 700r/min, and the temperature is set to 80°C to prepare anticorrosive paint;
  • the frequency of the ultrasonic cleaning machine is set to 40KHz, the temperature is set to 50°C, and the cleaning is performed for 12 minutes;
  • step S5 The casing 35 cleaned in step S4 is dried with a hot air blower, and then the anticorrosive paint prepared in step S3 is evenly sprayed on the surface of the dried casing 35 using a high-pressure sprayer spray gun;
  • step S6 Put the casing 35 sprayed with anti-corrosion paint in step S5 in a drying room for drying.
  • the drying temperature is set to 100° C. and the time is set to 20 min, that is, the anti-corrosion layer is prepared on the surface of the casing 35.
  • Example 2 The difference from Example 2 is the preparation of the anticorrosive layer, and the specific preparation method is as follows:
  • step S3 Add the mixed powder material prepared in step S2 to the mixed solution prepared in step S1, and continue to stir for 35 minutes using a mixer, the stirring speed is set to 800r/min, and the temperature is set to 85°C to prepare anticorrosive paint;
  • the frequency of the ultrasonic cleaning machine is set to 50KHz, the temperature is set to 55°C, and the cleaning is for 14 minutes;
  • step S5 The casing 35 cleaned in step S4 is dried with a hot air blower, and then the anticorrosive paint prepared in step S3 is evenly sprayed on the surface of the dried casing 35 using a high-pressure sprayer spray gun;
  • step S6 Put the shell 35 sprayed with anti-corrosion paint in step S5 in a drying room for drying.
  • the drying temperature is set to 110° C. and the time is set to 25 min, that is, the anti-corrosion layer is prepared on the surface of the shell 35.
  • Example 2 The difference from Example 2 is the preparation of the anticorrosive layer, and the specific preparation method is as follows:
  • step S3 Add the mixed powder material prepared in step S2 to the mixed solution prepared in step S1, and continue to stir for 40 minutes using a stirrer, the stirring speed is set to 900r/min, and the temperature is set to 90°C to prepare an anticorrosive coating;
  • the frequency of the ultrasonic cleaning machine is set to 60KHz, the temperature is set to 60°C, and the cleaning is performed for 16 minutes;
  • step S5 The casing 35 cleaned in step S4 is dried with a hot air blower, and then the anticorrosive paint prepared in step S3 is evenly sprayed on the surface of the dried casing 35 using a high-pressure sprayer spray gun;
  • step S6 Put the casing 35 sprayed with anti-corrosion paint in step S5 in a drying room for drying.
  • the drying temperature is set to 120° C. and the time is set to 30 min, that is, the anti-corrosion layer is prepared on the surface of the casing 35.
  • Example 1-4 The shell 35 in Example 1-4 was subjected to the salt spray test under the same conditions in the laboratory.
  • the comparison results are as follows:
  • Example 1 The surface of the housing 35 shows obvious signs of corrosion at 40h
  • Example 2 The surface of the housing 35 showed slight signs of corrosion at 290h
  • Example 3 The surface of the housing 35 showed slight signs of corrosion at 288h
  • Example 4 The surface of the housing 35 showed no signs of slight corrosion after 300h
  • Example 4 is the best example.
  • the prepared anticorrosive paint has a moderate viscosity, is not easy to delaminate, and no foam is generated. It is convenient for spraying, and the various components are fully combined. Good, so that the anti-corrosion coating can form a smooth, smooth and uniform coating after spraying, which is not easy to crack.
  • the prepared anti-corrosion layer has good anti-corrosion and anti-aging properties, good adhesion, not easy to fall off, and can be effectively protected The surface of the housing 35 is not corroded, thereby increasing the service life of the device.
  • the negative pressure suction device of the heart operation supports the liquid collection bottle 9 at the bottom support portion 1, which can effectively prevent the liquid collection bottle 9 from tipping, prevent the liquid inside the liquid collection bottle 9 from flowing out, and can effectively avoid the inside of the liquid collection bottle 9
  • the liquid in the operating room contaminates the operating room, thereby avoiding the spread of iatrogenic viruses; the liquid collection device 2 is used to collect the waste liquid generated during the cardiac operation of the patient.
  • the setting of the check valve 14 can effectively prevent the liquid inside the liquid collection bottle 9 from passing through the first soft The tube 5 flows out, and the anti-overflow valve 18 can effectively prevent the liquid inside the collection bottle 9 from entering the vacuum pump 44 through the second hose 6, and can effectively prevent the vacuum pump 44 from being damaged due to entering the liquid, thereby ensuring the service life of the device ;
  • the negative pressure generating device 3 is used to suck the air inside the liquid collection bottle 9 so that the air pressure inside the liquid collection bottle 9 is lower than its external air pressure to generate a negative pressure, and then the negative pressure is used to attract the waste liquid generated during heart surgery of the patient , To provide medical staff with a clear field environment, so as to ensure the smooth operation of the operation; when the liquid level inside the collection bottle 9 is too high, the float 24 rises under the action of the buoyancy of the liquid, and the float 24 rises At the same time, the support rod 23 is raised, and the support rod 23 drives the rubber spool 22 to rise to block the bottom end nozzle of the third connecting

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Abstract

一种手术负压吸引装置，包括底部支撑部(1)和集液装置(2)以及负压发生装置(3)，集液装置(2)可拆卸安装在底部支撑部(1)的上部，且集液装置(2)与负压发生装置(3)相连通设置。可有效防止集液瓶(9)倾倒，防止集液瓶(9)内部的液体流出，可有效避免集液瓶(9)内部的液体污染手术室，从而避免医源性病毒传播，可有效防止真空泵(44)因进入液体而损坏，从而保证装置的使用寿命，利用负压吸引患者心脏手术时产生的废液，为医护人员提供清晰的术野环境，从而保证手术的顺利进行，可避免患者病变的组织被划伤，可以有效减少患者心脏手术时产生的创伤，可防止真空泵(44)工作时噪声太大，影响医护人员进行手术。

Description

一种手术负压吸引装置 技术领域
本发明涉及医疗器械技术领域，更具体地说，它涉及一种手术负压吸引装置。
背景技术
心脏是脊椎动物身体中最重要的器官之一，主要功能是为血液流动提供压力，把血液运行至身体各个部分。人类的心脏位于胸腔中部偏左下方，体积约相当于一个拳头大小，重量约250克。女性的心脏通常要比男性的体积小且重量轻。人的心脏外形像桃子，位于横膈之上，两肺间而偏左。心脏病是人类常见的病种之一，严重的心脏病需要及时手术治疗，否则将会危及生命。
在心脏手术时，为了获取较清晰的术野，通常会借助心脏手术负压吸引器，然而现有的心脏手术负压吸引器，集液瓶容易倾倒，导致集液瓶内部的液体流出而污染手术室，对于患有传染病的患者来说，其手术时产生的废液一旦污染手术室，很容易导致医源性病毒传播，集液瓶内部的液体容易进入真空泵的内部，真空泵经常因进入液体而损坏，从而严重缩短使用寿命，患者病变的组织经常因吸引手术时产生的废液被划伤，导致患者心脏手术时产生较多的创伤，同时真空泵工作时噪声太大，严重影响医护人员进行手术，为此提出一种手术负压吸引装置。
发明内容
针对现有技术存在的不足，本发明的目的在于提供一种手术负压吸引装置，可有效防止集液瓶倾倒，可防止集液瓶内部的液体流出，可有效避免集液瓶内部的液体污染手术室，从而避免医源性病毒传播，单向阀的设置可有效防止集液瓶内部的液体通过第一软管流出，防溢出阀的设置可有效防止集液瓶内部的液体通过第二软管进入真空泵的内部，可有效防止真空泵因进入液体而损坏，从而保证该装置 的使用寿命，利用负压吸引患者心脏手术时产生的废液，为医护人员提供清晰的术野环境，从而保证手术的顺利进行，可避免患者病变的组织被划伤，可以有效减少患者心脏手术时产生的创伤，可防止真空泵工作时噪声太大，影响医护人员进行手术。
为实现上述目的，本发明提供了如下技术方案：
一种手术负压吸引装置，包括底部支撑部和集液装置以及负压发生装置，所述集液装置可拆卸安装在所述底部支撑部的上部，且所述集液装置与所述负压发生装置相连通设置；
所述底部支撑部包括圆柱型底座，所述圆柱型底座的上部开设有圆柱型凹槽，且所述圆柱型底座的底部以其底部中心点为圆心等角度安装有三个第一橡胶支脚；
所述集液装置包括可拆卸安装在所述圆柱型凹槽内部的集液瓶，所述集液瓶的上端螺接有端盖，所述端盖的上部连通设有第一连接管和第二连接管，且所述端盖的底部固定安装有与所述第一连接管底端相连通的单向阀以及与所述第二连接管底端相连通的防溢出阀，所述第一连接管的中部设有第一阀门，且所述第一连接管的上端连通设有第一插接口，所述第二连接管的中部设有第二阀门，且所述第二连接管的上端连通设有第二插接口，所述第一插接口的外部插接有第一软管；
所述负压发生装置包括外壳，所述外壳的两侧壁上对称贯通安装有吸气管和出气管，且所述外壳的内部底部固定安装有真空泵，所述真空泵的吸气口与所述吸气管的一端相连通，且所述真空泵的出气口与所述出气管的一端相连通，所述吸气管的另一端连通设有通过第二软管与所述第二插接口相连通的第三插接口，所述外壳的上部还固定安装有与所述吸气管相连通的真空压力表。
通过采用上述技术方案，底部支撑部用支撑集液瓶，可有效防止集液瓶倾倒，可防止集液瓶内部的液体流出，集液装置用于收集患者 心脏手术时产生的废液，单向阀的设置可有效防止集液瓶内部的液体通过第一软管流出，防溢出阀的设置可有效防止集液瓶内部的液体通过第二软管进入真空泵的内部，可有效防止真空泵因进入液体而损坏，负压发生装置用于将集液瓶内部的空气吸出，使得集液瓶内部的气压低于其外界气压从而产生负压，进而实现利用负压吸引患者心脏手术时产生的废液。
进一步的，所述防溢出阀包括固定安装在所述端盖底部的空心阀体，所述空心阀体的顶壁上连通安装有上端与所述第二连接管底端相连通的第三连接管，且所述空心阀体的侧壁上设有第一进气孔，所述空心阀体的内部底部活动设有橡胶阀芯，所述橡胶阀芯的底部固定连接有支撑杆，所述支撑杆的底端贯穿所述空心阀体的底壁延伸至所述空心阀体的底部外部连接有浮球。
通过采用上述技术方案，在集液瓶内部的液位过高时，浮球在液体的浮力作用下升高，浮球在升高的同时带动支撑杆上升，支撑杆带动橡胶阀芯上升进而将第三连接管的底端管口堵住，从而可防止集液瓶内部的液体通过第二软管进入真空泵的内部，可有效防止真空泵因进入液体而损坏。
进一步的，所述集液瓶为透明塑料制成，且集液瓶的外表面上设有刻度线。
通过采用上述技术方案，便于透过集液瓶直接观察其内部的因为，便于及时处理集液瓶，通过刻度线便于了解患者心脏手术时废液的产生量。
进一步的，所述第一软管远离所述第一插接口的一端端部内部插接有防护头，所述防护头包括插接在所述第一软管远离所述第一插接口的一端端部内部的插接管以及裸露在所述第一软管外部的弧形硅胶套圈，所述插接管与所述弧形硅胶套圈一体设置。
通过采用上述技术方案，在利用该装置吸引手术时产生的废液 时，弧形硅胶套圈可与患者病变的组织直接接触，可避免第一软管的端部直接与患者病变的组织直接接触，从而避免患者病变的组织被划伤，可以有效减少患者心脏手术时产生的创伤，插接管的设置便于防护头安装在防护头。
进一步的，所述外壳为方形外壳，且所述外壳的底部拐角处对称设有四个第二橡胶支脚，所述外壳的前部还设有控制开关，所述控制开关通过导线与所述真空泵电性连接。
通过采用上述技术方案，四个第二橡胶支脚对外壳有较好的支撑作用，同时具备防滑减震的效果，控制开关用于控制真空泵进行工作。
进一步的，所述吸气管上位于所述外壳外部的位置处连通安装有安全阀，所述安全阀包括圆柱型筒体，所述圆柱型筒体的上端为封闭端，且所述圆柱型筒体的底端为开口结构，所述圆柱型筒体的封闭端壁上居中开设有第二进气孔，且所述圆柱型筒体的开口端一体设有第一螺纹部，所述圆柱型筒体通过所述第一螺纹部固定安装在所述吸气管的上表面上，且所述圆柱型筒体的内部靠近其开口端的位置处固定安装有挡板，所述挡板的内部均匀开设有若干通孔，且所述挡板的上部通过弹簧固定安装有弧形橡胶顶芯，所述弧形橡胶顶芯的弧面与所述第二进气孔相抵触。
通过采用上述技术方案，在集液瓶内部的防溢出阀闭合时，在真空泵的作用下弧形橡胶顶芯的弧面与第二进气孔会分离，此时外界的空气依次会通过第二进气孔和通孔进入真空泵的内部，可有效防止因真空泵过载而发生损坏，从而可以保证真空泵的使用寿命。
进一步的，所述第二软管上位于所述第二插接口与所述第三插接口之间还设有过滤装置，所述过滤装置包括盒体，所述盒体的两侧面上对称连通设有均插接在所述第二软管内部的第四插接口和第五插接口，且所述盒体的内部居中固定安装有不锈钢钢丝过滤网。
通过采用上述技术方案，在真空泵工作的过程中，不锈钢钢丝过 滤网对通过第二软管的气体进行过滤，可防止集液瓶内部的粉尘等异物通过第二软管直接进入真空泵的内部，可避免真空泵的内部进入异物，第四插接口和第五插接口的设置，便于将过滤装置安装在第二软管上，
进一步的，所述盒体的一侧壁上还通过螺钉安装有盖板，所述盖板与所述盒体的侧壁之间还设有橡胶密封垫圈。
通过采用上述技术方案，橡胶密封垫圈起到密封的作用，可防止盖板与盒体的侧壁之间漏气，盖板通过螺钉安装，使得便于后期拆卸盖板对不锈钢钢丝过滤网进行清洁。
进一步的，所述出气管的另一端固定安装有消音装置，所述消音装置包括圆柱型形壳体，所述圆柱型形壳体的一端壁上连通一体设有第二螺纹部，且所述圆柱型形壳体一端壁上均匀开设若干排气孔，所述圆柱型形壳体通过所述第二螺纹部固定安装在所述出气管的另一端端部，且所述圆柱型形壳体内部居中固定安装有侧壁上均匀开设有若干圆孔的圆柱型中空板体。
通过采用上述技术方案，可将真空泵排出的气体分散通过圆孔进入进入圆柱型中空板体的内部，改变气流的声频，进而达到消音的目的，可防止真空泵工作时噪声太大，影响医护人员进行手术。
进一步的，所述外壳的表面还设有防腐层，所述防腐层由如下方法制备：
取以下原料按重量份称量：丙烯酸树脂35-45份、碳酸钙12-18份、对甲苯磺酸粉末15-20份、云母粉6-10份、酚醛树脂18-26份、甘油3-5份、醇酯十二8-12份、三氯化铁溶液1-3份和水40-60份；
S1、将称量好的甘油、三氯化铁溶液、醇酯十二和水加入搅拌机中进行搅拌20-30min，搅拌速度为600-800r/min,制得混合溶液；
S2、将丙烯酸树脂、碳酸钙、对甲苯磺酸粉末、云母粉和酚醛树脂加入球磨机中进行精磨至颗粒直径不大于40um，制得混合粉末物 料；
S3、将步骤S2中制得的混合粉末物料加入步骤S1中制得的混合溶液中，利用搅拌机继续进行搅拌30-40min，搅拌速度设置为700-900r/min，温度设置80-90℃，制得防腐涂料；
S4、将外壳放入超声波清洗机中进行清洗，超声波清洗机的频率设置为40-60KHz，温度设置为50-60℃，清洗12-16min；
S5、将步骤S4清洗后的外壳采用热风机烘干，然后利用高压喷雾器喷枪将步骤S3制得的防腐涂料均匀的喷涂在烘干后的外壳的表面；
S6、将步骤S5喷涂有防腐涂料的外壳35放在干燥室中进行干燥，干燥温度设置为100-120℃，时间设置为20-30min，即在外壳的表面制得防腐层。
通过采用上述技术方案，制备的防腐涂料粘度适中、不易分层、无泡沫产生，便于喷涂、各组分充分结合，综合性能较好，使得防腐涂料在喷涂后能够形成一个平整、光滑、均匀的涂膜，不易产生裂纹，制备的防腐层具备较好的防腐、抗老化的性能，附着性较好，不易脱落，可有效保护外壳的表面不被腐蚀，从而提高该装置的使用寿命。
综上所述，本发明主要具有以下有益效果：
1、本发明，底部支撑部用支撑集液瓶，可有效防止集液瓶倾倒，可防止集液瓶内部的液体流出，可有效避免集液瓶内部的液体污染手术室，从而避免医源性病毒传播；
2、本发明,集液装置用于收集患者心脏手术时产生的废液，单向阀的设置可有效防止集液瓶内部的液体通过第一软管流出，防溢出阀的设置可有效防止集液瓶内部的液体通过第二软管进入真空泵的内部，可有效防止真空泵因进入液体而损坏，从而保证该装置的使用寿命；
3、本发明,负压发生装置用于将集液瓶内部的空气吸出，使得集 液瓶内部的气压低于其外界气压从而产生负压，进而实现利用负压吸引患者心脏手术时产生的废液，为医护人员提供清晰的术野环境，从而保证手术的顺利进行；
4、本发明,在集液瓶内部的液位过高时，浮球在液体的浮力作用下升高，浮球在升高的同时带动支撑杆上升，支撑杆带动橡胶阀芯上升进而将第三连接管的底端管口堵住，从而可防止集液瓶内部的液体通过第二软管进入真空泵的内部，可有效防止真空泵因进入液体而损坏；
5、本发明,在利用该装置吸引手术时产生的废液时，弧形硅胶套圈可与患者病变的组织直接接触，可避免第一软管的端部直接与患者病变的组织直接接触，从而避免患者病变的组织被划伤，可以有效减少患者心脏手术时产生的创伤；
6、本发明,在集液瓶内部的防溢出阀闭合时，在真空泵的作用下弧形橡胶顶芯的弧面与第二进气孔会分离，此时外界的空气依次会通过第二进气孔和通孔进入真空泵的内部，可有效防止因真空泵过载而发生损坏，从而可以保证真空泵的使用寿命；
7、本发明,在真空泵工作的过程中，不锈钢钢丝过滤网对通过第二软管的气体进行过滤，可防止集液瓶内部的粉尘等异物通过第二软管直接进入真空泵的内部，可避免真空泵的内部进入异物；
8、本发明,可将真空泵排出的气体分散通过圆孔进入进入圆柱型中空板体的内部，改变气流的声频，进而达到消音的目的，可防止真空泵工作时噪声太大，影响医护人员进行手术；
9、本发明,制备的防腐涂料粘度适中、不易分层、无泡沫产生，便于喷涂、各组分充分结合，综合性能较好，使得防腐涂料在喷涂后能够形成一个平整、光滑、均匀的涂膜，不易产生裂纹，制备的防腐层具备较好的防腐、抗老化的性能，附着性较好，不易脱落，可有效保护外壳的表面不被腐蚀，从而提高该装置的使用寿命，值得推广和 普及。
附图说明
图1为本发明一种实施方式的结构示意图；
图2为本发明一种实施方式的集液装置的结构示意图；
图3为本发明一种实施方式的防溢出阀的结构示意图；
图4为本发明一种实施方式的过滤装置的结构示意图；
图5为本发明一种实施方式的防护头的结构示意图；
图6为本发明一种实施方式的负压发生装置的结构示意图；
图7为本发明一种实施方式的负压发生装置的剖视结构示意图；
图8为本发明一种实施方式的底部支撑部的结构示意图；
图9为本发明一种实施方式的消音装置的结构示意图；
图10为本发明一种实施方式的安全阀的结构示意图。
图中：1、底部支撑部；2、集液装置；3、负压发生装置；4、过滤装置；5、第一软管；6、第二软管；7、防护头；8、盖板；9、集液瓶；10、端盖；11、第一连接管；12、第一插接口；13、第一阀门；14、单向阀；15、第二连接管；16、第二插接口；17、第二阀门；18、防溢出阀；19、刻度线；20、第三连接管；21、第一进气孔；22、橡胶阀芯；23、支撑杆；24、浮球；25、空心阀体；26、盒体；27、不锈钢钢丝过滤网；28、第四插接口；29、第五插接口；30、插接管；31、弧形硅胶套圈；32、圆柱型底座；33、圆柱型凹槽；34、第一橡胶支脚；35、外壳；36、真空压力表；37、吸气管；38、第三插接口；39、安全阀；40、出气管；41、消音装置；42、第二橡胶支脚；43、控制开关；44、真空泵；45、圆柱型形壳体；46、第二螺纹部；47、圆柱型中空板体；48、排气孔；49、圆柱型筒体；50、挡板；51、第一螺纹部；52、通孔；53、弹簧；54、第二进气孔；55、弧形橡胶顶芯。
具体实施方式
实施例1
以下结合附图1-10对本发明作进一步详细说明。
一种手术负压吸引装置，如图1-10所示，包括底部支撑部1和集液装置2以及负压发生装置3，所述集液装置2可拆卸安装在所述底部支撑部1的上部，且所述集液装置2与所述负压发生装置3相连通设置；
所述底部支撑部1包括圆柱型底座32，所述圆柱型底座32的上部开设有圆柱型凹槽33，且所述圆柱型底座32的底部以其底部中心点为圆心等角度安装有三个第一橡胶支脚34；
所述集液装置2包括可拆卸安装在所述圆柱型凹槽33内部的集液瓶9，所述集液瓶9的上端螺接有端盖10，所述端盖10的上部连通设有第一连接管11和第二连接管15，且所述端盖10的底部固定安装有与所述第一连接管11底端相连通的单向阀14以及与所述第二连接管15底端相连通的防溢出阀18，所述第一连接管11的中部设有第一阀门13，且所述第一连接管11的上端连通设有第一插接口12，所述第二连接管15的中部设有第二阀门17，且所述第二连接管15的上端连通设有第二插接口16，所述第一插接口12的外部插接有第一软管5；
所述负压发生装置3包括外壳35，所述外壳35的两侧壁上对称贯通安装有吸气管37和出气管40，且所述外壳35的内部底部固定安装有真空泵44，所述真空泵44的吸气口与所述吸气管37的一端相连通，且所述真空泵44的出气口与所述出气管40的一端相连通，所述吸气管37的另一端连通设有通过第二软管6与所述第二插接口16相连通的第三插接口38，所述外壳35的上部还固定安装有与所述吸气管37相连通的真空压力表36。
通过采用上述技术方案，底部支撑部1用支撑集液瓶9，可有效防止集液瓶9倾倒，可防止集液瓶9内部的液体流出，集液装置2用 于收集患者心脏手术时产生的废液，单向阀14的设置可有效防止集液瓶9内部的液体通过第一软管5流出，防溢出阀18的设置可有效防止集液瓶9内部的液体通过第二软管6进入真空泵44的内部，可有效防止真空泵44因进入液体而损坏，负压发生装置3用于将集液瓶9内部的空气吸出，使得集液瓶9内部的气压低于其外界气压从而产生负压，进而实现利用负压吸引患者心脏手术时产生的废液。
较佳地，所述防溢出阀18包括固定安装在所述端盖10底部的空心阀体25，所述空心阀体25的顶壁上连通安装有上端与所述第二连接管15底端相连通的第三连接管20，且所述空心阀体25的侧壁上设有第一进气孔21，所述空心阀体25的内部底部活动设有橡胶阀芯22，所述橡胶阀芯22的底部固定连接有支撑杆23，所述支撑杆23的底端贯穿所述空心阀体25的底壁延伸至所述空心阀体25的底部外部连接有浮球24。在集液瓶9内部的液位过高时，浮球24在液体的浮力作用下升高，浮球24在升高的同时带动支撑杆23上升，支撑杆23带动橡胶阀芯22上升进而将第三连接管20的底端管口堵住，从而可防止集液瓶9内部的液体通过第二软管6进入真空泵44的内部，可有效防止真空泵44因进入液体而损坏。
较佳地，所述集液瓶9为透明塑料制成，且集液瓶9的外表面上设有刻度线19。便于透过集液瓶9直接观察其内部的因为，便于及时处理集液瓶9，通过刻度线19便于了解患者心脏手术时废液的产生量。
较佳地，所述第一软管5远离所述第一插接口12的一端端部内部插接有防护头7，所述防护头7包括插接在所述第一软管5远离所述第一插接口12的一端端部内部的插接管30以及裸露在所述第一软管5外部的弧形硅胶套圈31，所述插接管30与所述弧形硅胶套圈31一体设置。在利用该装置吸引手术时产生的废液时，弧形硅胶套圈31可与患者病变的组织直接接触，可避免第一软管5的端部直接与 患者病变的组织直接接触，从而避免患者病变的组织被划伤，可以有效减少患者心脏手术时产生的创伤，插接管30的设置便于防护头7安装在防护头7。
较佳地，所述外壳35为方形外壳，且所述外壳35的底部拐角处对称设有四个第二橡胶支脚42，所述外壳35的前部还设有控制开关43，所述控制开关43通过导线与所述真空泵44电性连接。四个第二橡胶支脚42对外壳35有较好的支撑作用，同时具备防滑减震的效果，控制开关43用于控制真空泵44进行工作。
较佳地，所述吸气管37上位于所述外壳35外部的位置处连通安装有安全阀39，所述安全阀39包括圆柱型筒体49，所述圆柱型筒体49的上端为封闭端，且所述圆柱型筒体49的底端为开口结构，所述圆柱型筒体49的封闭端壁上居中开设有第二进气孔54，且所述圆柱型筒体49的开口端一体设有第一螺纹部51，所述圆柱型筒体49通过所述第一螺纹部51固定安装在所述吸气管37的上表面上，且所述圆柱型筒体49的内部靠近其开口端的位置处固定安装有挡板50，所述挡板50的内部均匀开设有若干通孔52，且所述挡板50的上部通过弹簧53固定安装有弧形橡胶顶芯55，所述弧形橡胶顶芯55的弧面与所述第二进气孔54相抵触。在集液瓶9内部的防溢出阀18闭合时，在真空泵44的作用下弧形橡胶顶芯55的弧面与第二进气孔54会分离，此时外界的空气依次会通过第二进气孔54和通孔52进入真空泵44的内部，可有效防止因真空泵44过载而发生损坏，从而可以保证真空泵44的使用寿命。
较佳地，所述第二软管6上位于所述第二插接口16与所述第三插接口38之间还设有过滤装置4，所述过滤装置4包括盒体26，所述盒体26的两侧面上对称连通设有均插接在所述第二软管6内部的第四插接口28和第五插接口29，且所述盒体26的内部居中固定安装有不锈钢钢丝过滤网27。在真空泵44工作的过程中，不锈钢钢丝 过滤网27对通过第二软管6的气体进行过滤，可防止集液瓶9内部的粉尘等异物通过第二软管6直接进入真空泵44的内部，可避免真空泵44的内部进入异物，第四插接口28和第五插接口29的设置，便于将过滤装置4安装在第二软管6上，
较佳地，所述盒体26的一侧壁上还通过螺钉安装有盖板8，所述盖板8与所述盒体26的侧壁之间还设有橡胶密封垫圈。橡胶密封垫圈起到密封的作用，可防止盖板8与盒体26的侧壁之间漏气，盖板8通过螺钉安装，使得便于后期拆卸盖板8对不锈钢钢丝过滤网27进行清洁。
较佳地，所述出气管40的另一端固定安装有消音装置41，所述消音装置41包括圆柱型形壳体45，所述圆柱型形壳体45的一端壁上连通一体设有第二螺纹部46，且所述圆柱型形壳体45一端壁上均匀开设若干排气孔48，所述圆柱型形壳体45通过所述第二螺纹部46固定安装在所述出气管40的另一端端部，且所述圆柱型形壳体45内部居中固定安装有侧壁上均匀开设有若干圆孔的圆柱型中空板体47。可将真空泵44排出的气体分散通过圆孔进入进入圆柱型中空板体47的内部，改变气流的声频，进而达到消音的目的，可防止真空泵44工作时噪声太大，影响医护人员进行手术。
实施例2
与实施例1的不同之处在于所述外壳35的表面还设有防腐层，所述防腐层由如下方法制备：
取以下原料按重量份称量：丙烯酸树脂35份、碳酸钙12份、对甲苯磺酸粉末15份、云母粉6份、酚醛树脂18份、甘油3份、醇酯十二8份、三氯化铁溶液1份和水40份；
S1、将称量好的甘油、三氯化铁溶液、醇酯十二和水加入搅拌机中进行搅拌20min，搅拌速度为600r/min,制得混合溶液；
S2、将丙烯酸树脂、碳酸钙、对甲苯磺酸粉末、云母粉和酚醛树脂加入球磨机中进行精磨至颗粒直径不大于40um，制得混合粉末物料；
S3、将步骤S2中制得的混合粉末物料加入步骤S1中制得的混合溶液中，利用搅拌机继续进行搅拌30min，搅拌速度设置为700r/min，温度设置80℃，制得防腐涂料；
S4、将外壳35放入超声波清洗机中进行清洗，超声波清洗机的频率设置为40KHz，温度设置为50℃，清洗12min；
S5、将步骤S4清洗后的外壳35采用热风机烘干，然后利用高压喷雾器喷枪将步骤S3制得的防腐涂料均匀的喷涂在烘干后的外壳35的表面；
S6、将步骤S5喷涂有防腐涂料的外壳35放在干燥室中进行干燥，干燥温度设置为100℃，时间设置为20min，即在外壳35的表面制得防腐层。
实施例3
与实施例2的不同之处在于防腐层的制备，其具体制备方法如下：
取以下原料按重量份称量：丙烯酸树脂40份、碳酸钙16份、对甲苯磺酸粉末18份、云母粉8份、酚醛树脂22份、甘油4份、醇酯十二10份、三氯化铁溶液2份和水50份；
S1、将称量好的甘油、三氯化铁溶液、醇酯十二和水加入搅拌机中进行搅拌25min，搅拌速度为700r/min,制得混合溶液；
S2、将丙烯酸树脂、碳酸钙、对甲苯磺酸粉末、云母粉和酚醛树脂加入球磨机中进行精磨至颗粒直径不大于40um，制得混合粉末物料；
S3、将步骤S2中制得的混合粉末物料加入步骤S1中制得的混合 溶液中，利用搅拌机继续进行搅拌35min，搅拌速度设置为800r/min，温度设置85℃，制得防腐涂料；
S4、将外壳35放入超声波清洗机中进行清洗，超声波清洗机的频率设置为50KHz，温度设置为55℃，清洗14min；
S5、将步骤S4清洗后的外壳35采用热风机烘干，然后利用高压喷雾器喷枪将步骤S3制得的防腐涂料均匀的喷涂在烘干后的外壳35的表面；
S6、将步骤S5喷涂有防腐涂料的外壳35放在干燥室中进行干燥，干燥温度设置为110℃，时间设置为25min，即在外壳35的表面制得防腐层。
实施例4
与实施例2的不同之处在于防腐层的制备，其具体制备方法如下：
取以下原料按重量份称量：丙烯酸树脂45份、碳酸钙18份、对甲苯磺酸粉末20份、云母粉10份、酚醛树脂26份、甘油5份、醇酯十二12份、三氯化铁溶液3份和水60份；
S1、将称量好的甘油、三氯化铁溶液、醇酯十二和水加入搅拌机中进行搅拌30min，搅拌速度为800r/min,制得混合溶液；
S2、将丙烯酸树脂、碳酸钙、对甲苯磺酸粉末、云母粉和酚醛树脂加入球磨机中进行精磨至颗粒直径不大于40um，制得混合粉末物料；
S3、将步骤S2中制得的混合粉末物料加入步骤S1中制得的混合溶液中，利用搅拌机继续进行搅拌40min，搅拌速度设置为900r/min，温度设置90℃，制得防腐涂料；
S4、将外壳35放入超声波清洗机中进行清洗，超声波清洗机的频率设置为60KHz，温度设置为60℃，清洗16min；
S5、将步骤S4清洗后的外壳35采用热风机烘干，然后利用高压喷雾器喷枪将步骤S3制得的防腐涂料均匀的喷涂在烘干后的外壳35的表面；
S6、将步骤S5喷涂有防腐涂料的外壳35放在干燥室中进行干燥，干燥温度设置为120℃，时间设置为30min，即在外壳35的表面制得防腐层。
对实施例1-4中的外壳35在实验室中在相同的条件下对其进行盐雾测试比较结果如下表：
测试300后的结果
实施例1 外壳35的表面在40h时出现明显腐蚀迹象
实施例2 外壳35的表面在290h时出现轻微腐蚀迹象
实施例3 外壳35的表面在288h时出现轻微腐蚀迹象
实施例4 外壳35的表面在300h后未出现轻微腐蚀迹象
从上表测试结果比较分析可知实施例4为最优实施例，通过采用上述技术方案，制备的防腐涂料粘度适中、不易分层、无泡沫产生，便于喷涂、各组分充分结合，综合性能较好，使得防腐涂料在喷涂后能够形成一个平整、光滑、均匀的涂膜，不易产生裂纹，制备的防腐层具备较好的防腐、抗老化的性能，附着性较好，不易脱落，可有效保护外壳35的表面不被腐蚀，从而提高该装置的使用寿命。
工作原理：该心脏手术负压吸引装置，底部支撑部1用支撑集液瓶9，可有效防止集液瓶9倾倒，可防止集液瓶9内部的液体流出，可有效避免集液瓶9内部的液体污染手术室，从而避免医源性病毒传播；集液装置2用于收集患者心脏手术时产生的废液，单向阀14的设置可有效防止集液瓶9内部的液体通过第一软管5流出，防溢出阀18的设置可有效防止集液瓶9内部的液体通过第二软管6进入真空 泵44的内部，可有效防止真空泵44因进入液体而损坏，从而保证该装置的使用寿命；负压发生装置3用于将集液瓶9内部的空气吸出，使得集液瓶9内部的气压低于其外界气压从而产生负压，进而实现利用负压吸引患者心脏手术时产生的废液，为医护人员提供清晰的术野环境，从而保证手术的顺利进行；在集液瓶9内部的液位过高时，浮球24在液体的浮力作用下升高，浮球24在升高的同时带动支撑杆23上升，支撑杆23带动橡胶阀芯22上升进而将第三连接管20的底端管口堵住，从而可防止集液瓶9内部的液体通过第二软管6进入真空泵44的内部，可有效防止真空泵44因进入液体而损坏；在利用该装置吸引手术时产生的废液时，弧形硅胶套圈31可与患者病变的组织直接接触，可避免第一软管5的端部直接与患者病变的组织直接接触，从而避免患者病变的组织被划伤，可以有效减少患者心脏手术时产生的创伤；在集液瓶9内部的防溢出阀18闭合时，在真空泵44的作用下弧形橡胶顶芯55的弧面与第二进气孔54会分离，此时外界的空气依次会通过第二进气孔54和通孔52进入真空泵44的内部，可有效防止因真空泵44过载而发生损坏，从而可以保证真空泵44的使用寿命；在真空泵44工作的过程中，不锈钢钢丝过滤网27对通过第二软管6的气体进行过滤，可防止集液瓶9内部的粉尘等异物通过第二软管6直接进入真空泵44的内部，可避免真空泵44的内部进入异物；可将真空泵44排出的气体分散通过圆孔进入进入圆柱型中空板体47的内部，改变气流的声频，进而达到消音的目的，可防止真空泵44工作时噪声太大，影响医护人员进行手术。
本具体实施例仅仅是对本发明的解释，其并不是对本发明的限制，本领域技术人员在阅读完本说明书后可以根据需要对本实施例做出没有创造性贡献的修改，但只要在本发明的权利要求范围内都受到专利法的保护。

Claims (10)

  1. 一种手术负压吸引装置，其特征在于：包括底部支撑部(1)和集液装置(2)以及负压发生装置(3)，所述集液装置(2)可拆卸安装在所述底部支撑部(1)的上部，且所述集液装置(2)与所述负压发生装置(3)相连通设置；
    所述底部支撑部(1)包括圆柱型底座(32)，所述圆柱型底座(32)的上部开设有圆柱型凹槽(33)，且所述圆柱型底座(32)的底部以其底部中心点为圆心等角度安装有三个第一橡胶支脚(34)；
    所述集液装置(2)包括可拆卸安装在所述圆柱型凹槽(33)内部的集液瓶(9)，所述集液瓶(9)的上端螺接有端盖(10)，所述端盖(10)的上部连通设有第一连接管(11)和第二连接管(15)，且所述端盖(10)的底部固定安装有与所述第一连接管(11)底端相连通的单向阀(14)以及与所述第二连接管(15)底端相连通的防溢出阀(18)，所述第一连接管(11)的中部设有第一阀门(13)，且所述第一连接管(11)的上端连通设有第一插接口(12)，所述第二连接管(15)的中部设有第二阀门(17)，且所述第二连接管(15)的上端连通设有第二插接口(16)，所述第一插接口(12)的外部插接有第一软管(5)；
    所述负压发生装置(3)包括外壳(35)，所述外壳(35)的两侧壁上对称贯通安装有吸气管(37)和出气管(40)，且所述外壳(35)的内部底部固定安装有真空泵(44)，所述真空泵(44)的吸气口与所述吸气管(37)的一端相连通，且所述真空泵(44)的出气口与所述出气管(40)的一端相连通，所述吸气管(37)的另一端连通设有通过第二软管(6)与所述第二插接口(16)相连通的第三插接口(38)，所述外壳(35)的上部还固定安装有与所述吸气管(37)相连通的真空压力表(36)。
  2. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述防溢出阀(18)包括固定安装在所述端盖(10)底部的空心阀体 (25)，所述空心阀体(25)的顶壁上连通安装有上端与所述第二连接管(15)底端相连通的第三连接管(20)，且所述空心阀体(25)的侧壁上设有第一进气孔(21)，所述空心阀体(25)的内部底部活动设有橡胶阀芯(22)，所述橡胶阀芯(22)的底部固定连接有支撑杆(23)，所述支撑杆(23)的底端贯穿所述空心阀体(25)的底壁延伸至所述空心阀体(25)的底部外部连接有浮球(24)。
  3. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述集液瓶(9)为透明塑料制成，且集液瓶(9)的外表面上设有刻度线(19)。
  4. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述第一软管(5)远离所述第一插接口(12)的一端端部内部插接有防护头(7)，所述防护头(7)包括插接在所述第一软管(5)远离所述第一插接口(12)的一端端部内部的插接管(30)以及裸露在所述第一软管(5)外部的弧形硅胶套圈(31)，所述插接管(30)与所述弧形硅胶套圈(31)一体设置。
  5. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述外壳(35)为方形外壳，且所述外壳(35)的底部拐角处对称设有四个第二橡胶支脚(42)，所述外壳(35)的前部还设有控制开关(43)，所述控制开关(43)通过导线与所述真空泵(44)电性连接。
  6. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述吸气管(37)上位于所述外壳(35)外部的位置处连通安装有安全阀(39)，所述安全阀(39)包括圆柱型筒体(49)，所述圆柱型筒体(49)的上端为封闭端，且所述圆柱型筒体(49)的底端为开口结构，所述圆柱型筒体(49)的封闭端壁上居中开设有第二进气孔(54)，且所述圆柱型筒体(49)的开口端一体设有第一螺纹部(51)，所述圆柱型筒体(49)通过所述第一螺纹部(51)固定安装在所述吸气管(37)的上表面上，且所述圆柱型筒体(49)的内部靠近其开口 端的位置处固定安装有挡板(50)，所述挡板(50)的内部均匀开设有若干通孔(52)，且所述挡板(50)的上部通过弹簧(53)固定安装有弧形橡胶顶芯(55)，所述弧形橡胶顶芯(55)的弧面与所述第二进气孔(54)相抵触。
  7. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述第二软管(6)上位于所述第二插接口(16)与所述第三插接口(38)之间还设有过滤装置(4)，所述过滤装置(4)包括盒体(26)，所述盒体(26)的两侧面上对称连通设有均插接在所述第二软管(6)内部的第四插接口(28)和第五插接口(29)，且所述盒体(26)的内部居中固定安装有不锈钢钢丝过滤网(27)。
  8. 根据权利要求7所述的一种手术负压吸引装置，其特征在于：所述盒体(26)的一侧壁上还通过螺钉安装有盖板(8)，所述盖板(8)与所述盒体(26)的侧壁之间还设有橡胶密封垫圈。
  9. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述出气管(40)的另一端固定安装有消音装置(41)，所述消音装置(41)包括圆柱型形壳体(45)，所述圆柱型形壳体(45)的一端壁上连通一体设有第二螺纹部(46)，且所述圆柱型形壳体(45)一端壁上均匀开设若干排气孔(48)，所述圆柱型形壳体(45)通过所述第二螺纹部(46)固定安装在所述出气管(40)的另一端端部，且所述圆柱型形壳体(45)内部居中固定安装有侧壁上均匀开设有若干圆孔的圆柱型中空板体(47)。
  10. 根据权利要求1所述的一种手术负压吸引装置，其特征在于：所述外壳(35)的表面还设有防腐层，所述防腐层由如下方法制备：
    取以下原料按重量份称量：丙烯酸树脂35-45份、碳酸钙12-18份、对甲苯磺酸粉末15-20份、云母粉6-10份、酚醛树脂18-26份、甘油3-5份、醇酯十二8-12份、三氯化铁溶液1-3份和水40-60份；
    S1、将称量好的甘油、三氯化铁溶液、醇酯十二和水加入搅拌机 中进行搅拌20-30min，搅拌速度为600-800r/min,制得混合溶液；
    S2、将丙烯酸树脂、碳酸钙、对甲苯磺酸粉末、云母粉和酚醛树脂加入球磨机中进行精磨至颗粒直径不大于40um，制得混合粉末物料；
    S3、将步骤S2中制得的混合粉末物料加入步骤S1中制得的混合溶液中，利用搅拌机继续进行搅拌30-40min，搅拌速度设置为700-900r/min，温度设置80-90℃，制得防腐涂料；
    S4、将外壳(35)放入超声波清洗机中进行清洗，超声波清洗机的频率设置为40-60KHz，温度设置为50-60℃，清洗12-16min；
    S5、将步骤S4清洗后的外壳(35)采用热风机烘干，然后利用高压喷雾器喷枪将步骤S3制得的防腐涂料均匀的喷涂在烘干后的外壳(35)的表面；
    S6、将步骤S5喷涂有防腐涂料的外壳(35)放在干燥室中进行干燥，干燥温度设置为100-120℃，时间设置为20-30min，即在外壳(35)的表面制得防腐层。
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