CN104083195B - A kind of microtrauma puncture device - Google Patents
A kind of microtrauma puncture device Download PDFInfo
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- CN104083195B CN104083195B CN201410335388.0A CN201410335388A CN104083195B CN 104083195 B CN104083195 B CN 104083195B CN 201410335388 A CN201410335388 A CN 201410335388A CN 104083195 B CN104083195 B CN 104083195B
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- puncture
- switch
- microtrauma
- black box
- dead bolt
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
- A61B2017/3464—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of microtrauma puncture device, including puncture needle component, black box and puncture casing assembly, the unblock of black box and puncture casing inter-module realizes Bidirectional unlocking, operation facility by solving lock-switch；In black box adopt screening glass coordinate with rubber flap, its reasonable in design ensure that reduce as much as possible while sealing apparatus by time resistance；Puncture casing assembly changes tradition yi word pattern platypus type air shuttle valve into Y-shaped air shuttle valve and seals the sealing property promoting perforator further；Two-port valve airintake direction and 90 degree of angles of outgassing direction on puncture casing, greatly reduce perforator height dimension, reducing apparatus volume, convenient storage and transport, the microtrauma puncture utensil of the present invention has good seal performance, unlocks advantage easy to operate, that apparent size is little.
Description
Technical field
Patent of the present invention belongs to medical instruments field, is specifically related to a kind of microtrauma puncture device.
Background technology
Single use microtrauma puncture device is the important apparatus in endoscope-assistant surgery, and it is that a kind of breast is outer, abdomen external cavity mirror instrument, it is adaptable to set up the apparatus of thoracic cavity, abdominal operation service aisle in thoracic cavity, chamber, abdominal cavity spectroscopy and operation process.When laparoscopic surgery starts, epiderm skin is cut at the puncture position chosen with scalpel, then penetrate skin with the puncturing needle part of perforator and puncture casing and enter body cavity, forming surgical work passage, in operation process, needing to ensure the sealing of devices work passage.Existing microtrauma puncture device operation process easily leaks gas, is input to the leakage of Intraabdominal gas and makes abdominal cavity sink and affect being normally carried out of operation.When operation is taken out Operated Specimens tissue, it is necessary to by black box and puncture casing components apart, its black box of existing perforator and puncture casing assembly are assembled together, can only unidirectional unlock when unlocking, in-convenience in use.Additionally, the two-port valve airintake direction of perforator and outgassing direction are point-blank, cause apparatus apparent size big.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, it is provided that a kind of novel microtrauma puncture device, this perforator good seal performance, unlock easy to operate, apparent size is little.
The technical solution adopted in the present invention is: a kind of microtrauma puncture device, including puncture needle component, black box and puncture casing assembly.
Black box includes sealing on lid, bracing ring, in sealing ring, screening glass, bracing ring, under rubber flap, bracing ring and capsul.Sealing ring and screening glass are arranged between the two by the interference fit on bracing ring and in bracing ring; rubber flap is arranged between the two by the interference fit in bracing ring and under bracing ring; form choke passage; whole sealing member assembly is pressed on capsul further through the outer rim of sealing ring and seals between lid, seals lid and is ultrasonically welded together with capsul.As a kind of preferred structure, rubber flap has 5, and every rubber flap includes conical surface thinner wall section and is connected to the curved portions bottom conical surface thinner wall section, has the circumference of 180 ° of-270o bottom described conical surface thin-walled, staggered 72 ° of arrangements between rubber flap.
Puncture casing assembly includes puncture casing, sleeve shell and sleeve pipe upper cover, puncture casing is socketed in sleeve shell, puncture casing is provided with air inlet, this air inlet is connected with the escape pipe on two-port valve, is provided with piston in the cavity of two-port valve, and two-port valve cavity wall is provided with air inlet pipe and escape pipe, air inlet pipe and escape pipe are 90 ° of angles, the size of perforator can be reduced, reduce apparatus volume, convenient storage and transport.
Being provided with two dead bolts on capsul, dead bolt bottom forms dead bolt inclined-plane, is provided with dead bolt locking face outside dead bolt；Solution lock-switch in puncture casing assembly is correspondingly provided with two locking boss, locking boss upper surface forms the solution lock-switch inclined-plane corresponding with dead bolt inclined-plane, lower end is formed and unlocks switch locking face, stage clip mounting groove is unlocked solving being provided with between two locking boss of lock-switch, unlock stage clip to install in the cell, when assembling black box is with puncture casing assembly, dead bolt inclined-plane coordinates unblock stage clip compression in the process put in place with solving lock-switch inclined-plane, coordinating the elastic force unlocking stage clip when putting in place to make to solve lock-switch to reversely rotate, dead bolt locking face is buckled in unblock switch locking face；Two-way can stir solution lock-switch during unblock and overcome the elastic force unlocking stage clip, unlock switch locking face and separate with dead bolt locking face.
Being provided with air shuttle valve in sleeve shell inner chamber, this air shuttle valve includes the inner cup portion being made up of elastomeric material, and the bottom surface of this cup is plane, and these bottom surface central authorities are provided with Y-shaped seam, and the sidewall of inner cup portion is provided with arcuate groove relative with three angles of Y-shaped seam respectively.Three thin seams of described Y-shaped seam are mutually 120 ° of angles.The upper end of described inner cup portion has been provided with the annular flange of interconnection function.When apparatus is by Y word gap, resistance is little, and after apparatus is extracted out Y-shaped to be sewn under elastic reaction three thin seam quick-make sealing effectiveness better, it is prevented that be delivered to endoceliac gases did escape by the enterprising QI KOU of puncture casing.
The invention has the beneficial effects as follows that (1) screening glass adopts soft plastic rubber material, rubber flap adopts gum elastic material, ensure that reduce as much as possible while sealing apparatus by time resistance；(2) two-port valve airintake direction and 90 degree of angles of outgassing direction, greatly reduce perforator height dimension, reduces apparatus volume, convenient storage and transport；(3) switch two-way unlocking structure is unlocked, when operation needs the specimen tissue taking out excision, solve lock-switch on existing position forwards, backwards both direction can unlock smoothly, make black box separate with puncture casing assembly quick release, considerably increase the convenience of operation；(4) Y-shaped air shuttle valve seals the sealing property promoting perforator further.
Accompanying drawing explanation
The structural representation of Fig. 1 microtrauma puncture device of the present invention；
Fig. 2 is the explosive view of microtrauma puncture device of the present invention；
Fig. 3 is the structure chart of the black box of microtrauma puncture device of the present invention；
Fig. 4 is the structure chart of puncture casing assembly of the present invention；
Fig. 5 is the installation diagram of the black box of microtrauma puncture device of the present invention；
Fig. 6 is the top view after the black box assembling of microtrauma puncture device of the present invention；
Fig. 7 is the upward view after the black box assembling of microtrauma puncture device of the present invention；
Fig. 8 is the A-A profile in Fig. 6；
Fig. 9 is the structural representation sealing lid；
Figure 10 is the structural representation solving lock-switch；
Figure 11 is the installation diagram of black box of the present invention and sleeve pipe upper cover；
Figure 12 is Figure 11 upward view；
Figure 13 is the structural representation of air shuttle valve；
Figure 14 is puncture needle component structural representation；
Figure 15 is puncture needle component partial structurtes schematic diagram.
nullIn figure，1 punctures needle tubing，2 puncture handle，3 sight glass locks，4 torsion springs，5 seal lid，On 6 bracing rings，7 sealing rings，8 screening glass，In 9 bracing rings，10 rubber flaps，Under 11 bracing rings，12 capsuls，13 springs，14 sleeve pipe upper covers，15 unlock stage clip，16 solve lock-switch，17 air shuttle valves，18 sleeve shells，19 puncture casing，20 pistons，21 two-port valves，Under 2-1 handle，On 2-2 handle，2-3 through hole，2-4 draw-in groove，3-1 joint pin，10-1 conical surface thinner wall section，10-2 curved portions，12-1 dead bolt，12-1a dead bolt inclined-plane，12-1b dead bolt locking face，14-1 square groove，16-1 locking boss，16-1a solves lock-switch inclined-plane，16-1b unlocks switch locking face，16-2 unlocks stage clip mounting groove，16-3 button handsetting，17-1 annular flange，17-2 inner cup portion，17-3Y font stitches，17-4 arcuate groove，19-1 air inlet，21-1 air inlet pipe，21-2-escape pipe.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of microtrauma puncture device, including puncture needle component 100, black box 200 and puncture casing assembly 300.Black box 200 and puncture casing assembly 300 are assembled together, puncture needle component 100 coordinates with the assembly of black box 200 and puncture casing assembly 300 in piercing process, after puncture, piercing assembly 100 separates with the assembly of black box 200 and puncture casing assembly 300, and the assembly of black box 200 and puncture casing assembly 300 forms operation path.
As shown in Fig. 2, Figure 14 and Figure 15, puncture needle component 100 of the present invention, including puncturing needle tubing 1 and puncturing the tissue Separator of handle 2 and front end, puncturing 2-1 under the handle of handle 2 to be connected with puncturing needle tubing 1, on handle, 2-2 is fixed under handle on 2-1, punctures handle 2 central authorities and is provided with through hole 2-3, under described handle, 2-1 is provided with sight glass lock 3, sight glass lock 3 is provided with two joint pin 3-1, joint pin 3-1 be stuck in the draw-in groove 2-4 under handle, has at least on a joint pin 3-1 and be provided with torsion spring 4.During use, sight glass is locked 3 slightly towards turning up, endoscope's bar through hole 3-1 on handle is inserted in puncture casing 1, sight glass lock 3 is unclamped after putting in place, sight glass lock 3 can inwardly be pressed against sight glass bar by nature due to the twisting force of torsion spring, in using perforator piercing process, endoscope is fixed position in perforator, it is ensured that image stabilization in piercing process.
With reference to Fig. 2, Fig. 3 and Fig. 5-Fig. 8, the black box of the present invention includes sealing on lid 5, bracing ring 6, in sealing ring 7, screening glass 8, bracing ring 9, under rubber flap 10, bracing ring 11 and capsul 12.Sealing ring 7 and screening glass 8 are arranged between the two by the interference fit of 9 on bracing ring 6 and bracing ring; rubber flap 10 is arranged between the two by the interference fit of 11 under in bracing ring 9 and bracing ring; form choke passage; whole sealing member assembly is pressed on capsul 12 further through the outer rim of sealing ring 7 and seals between lid 5, seals lid 5 and is ultrasonically welded together with capsul 12.In the present embodiment, rubber flap 10 has 5, and every rubber flap includes conical surface thinner wall section 10-1 and is connected to the curved portions 10-2 bottom conical surface thinner wall section, has the circumference of 180 °-270 bottom described conical surface thin-walled, staggered 72 ° of arrangements successively between rubber flap 10.Being staggered of rubber flap 10 so that the mutual laminated of its conical surface thinner wall section 10-1, forms petal-like channel design, and when apparatus is through this passage, conical surface thinner wall section, by apparatus tight, improves sealing property.And be arranged on the screening glass 8 above the passage that rubber flap 10 is formed and can protect rubber flap 10, it is to avoid apparatus punctures rubber flap 10.Described screening glass 8 adopts soft plastic rubber material, rubber flap adopt gum elastic material, ensure that reduce as much as possible while sealing apparatus by time resistance.
As shown in Figure 2, puncture casing assembly includes sleeve pipe upper cover 14, sleeve shell 18 and puncture casing 19 etc., sleeve shell 18 is in bowl structure, puncture casing 19 is longitudinally connected in sleeve shell 18 bottom center, seal the sleeve pipe upper cover 14 being fixed on this sleeve shell 18 top, the cavity of puncture casing 19 is provided with air shuttle valve 17, the sidewall of puncture casing 19 is provided with air inlet 19-1, this air inlet 19-1 is connected with the escape pipe 21-2 on two-port valve 21, piston 20 it is provided with in the cavity of two-port valve, two-port valve 21 cavity wall is provided with air inlet pipe 21-1 and escape pipe 21-2, air inlet pipe 21-1 and escape pipe 21-2 is 90 ° of angles.Two-port valve 21 with piston 20 for conducting and stops perfusion gas entered by puncture casing 19 or got rid of body cavity.Angle 90 ° between the air inlet 21-1 and gas outlet 21-2 of two-port valve 21 in the present invention, it is possible to reduce the size of perforator, reduces apparatus volume, convenient storage and transport.Sleeve shell inner chamber is provided with air shuttle valve 17, as shown in figure 13, this air shuttle valve 17 includes the inner cup portion 17-1 being made up of elastomeric material, the bottom surface of this cup is plane, these bottom surface central authorities are provided with the sidewall of Y-shaped seam 17-3, inner cup portion 17-1 and are provided with the arcuate groove 17-4 that three angles stitching 17-3 respectively with Y-shaped are relative.Three thin seams of described Y-shaped seam 17-3 are mutually 120 ° of angles.The upper end of described inner cup portion has been provided with the annular flange 17-1 of interconnection function.When apparatus is by Y word gap, resistance is little, and after apparatus is extracted out Y-shaped to be sewn under elastic reaction three thin seam quick-make sealing effectiveness better, it is prevented that be delivered to endoceliac gases did escape by the enterprising QI KOU 19-1 of puncture casing.
With reference to Fig. 9-Figure 12, capsul 12 being provided with two dead bolt 12-1, dead bolt bottom forms dead bolt inclined-plane 12-1a, is provided with dead bolt locking face 12-1b outside dead bolt；Solution lock-switch 16 in puncture casing assembly is correspondingly provided with two locking boss 16-1, locking boss 16-1 upper surface forms the solution lock-switch inclined-plane 16-1a corresponding with dead bolt inclined-plane 12-1a, lower end is formed and unlocks switch locking face 16-1b, unlock stage clip mounting groove 16-2 solving being provided with between two locking boss 16-1 of lock-switch, unlock stage clip 12 and install in the cell.nullWhen black box 200 and puncture casing assembly 300 are installed，Square groove 14-1 on dead bolt 12-1 traverse sleeve pipe upper cover 14，Dead bolt inclined-plane 12-1a acts on the inclined surface solving lock-switch 16 in puncture casing assembly and namely solves on lock-switch inclined-plane 16-1a，Originally solve lock-switch 16 and be in poised state under the elastic force effect of the two unblock stage clips 15 in left and right，Installing force is acted on solution lock-switch inclined-plane 16-1a by dead bolt inclined-plane 12-1a，The elastic force unlocking stage clip 15 is overcome to make solution lock-switch 16 rotate，Put in place along with sealing device is installed，Inclined-plane solves lock-switch 16 and stops the rotation and reversely rotate under the elastic force effect unlocking stage clip 15 after being coupled to end，Make dead bolt locking face 12-1b be buckled on the unblock switch locking face 16-2b solving correspondence on lock-switch to be locked on puncture casing assembly.When black box 200 pulled down by needs, two-way can stir solution lock-switch 16, solve lock-switch 16 and overcome the elastic force unlocking stage clip 15 to rotate, when unlocking the switch locking face 16-2b tongue lock locking face 12-1b leaving capsul lock, black box can be taken off.For convenient operation, solving, lock-switch 16 is provided with button handsetting 16-3.
Claims (10)
1. a microtrauma puncture device, including puncture needle component, black box and puncture casing assembly, it is characterised in that: black box includes sealing lid and capsul, and black box is assembled in sealing lid and capsul；Being provided with two dead bolts on capsul, dead bolt bottom forms dead bolt inclined-plane, is provided with dead bolt locking face outside dead bolt；Solution lock-switch in puncture casing assembly is correspondingly provided with two locking boss, locking boss upper surface forms the solution lock-switch inclined-plane corresponding with dead bolt inclined-plane, lower end is formed and unlocks switch locking face, unblock stage clip mounting groove it is provided with between two the locking boss solving lock-switch, unlock stage clip to install in the cell, when assembling black box is with puncture casing assembly, dead bolt inclined-plane coordinates unblock stage clip compression in the process put in place with solving lock-switch inclined-plane, coordinating the elastic force unlocking stage clip when putting in place to make to solve lock-switch to reversely rotate, dead bolt locking face is buckled in unblock switch locking face；Two-way can stir solution lock-switch during unblock and overcome the elastic force unlocking stage clip, unlock switch locking face and separate with dead bolt locking face.
2. a kind of microtrauma puncture device according to claim 1, it is characterised in that: described solution lock-switch is provided with button handsetting.
3. a kind of microtrauma puncture device according to claim 1, it is characterized in that: described black box includes sealing lid, on bracing ring, sealing ring, screening glass, in bracing ring, rubber flap, under bracing ring and capsul, sealing ring and screening glass are arranged between the two by the interference fit on bracing ring and in bracing ring, rubber flap is arranged between the two by the interference fit in bracing ring and under bracing ring, form choke passage, whole sealing member assembly is pressed on capsul further through the outer rim of sealing ring and seals between lid, seal lid to be ultrasonically welded together with capsul.
4. a kind of microtrauma puncture device according to claim 3, it is characterised in that: described rubber flap has 5, and every rubber flap includes conical surface thinner wall section and is connected to the curved portions bottom conical surface thinner wall section.
5. a kind of microtrauma puncture device according to claim 4, it is characterised in that: there is the circumference of 180 ° of-270o, staggered 72 ° of arrangements between rubber flap bottom described conical surface thin-walled.
6. a kind of microtrauma puncture device according to claim 1, it is characterized in that: described puncture casing assembly includes puncture casing, sleeve shell and sleeve pipe upper cover, puncture casing is socketed in sleeve shell, puncture casing is provided with air inlet, this air inlet is connected with the escape pipe on two-port valve, being provided with piston in the cavity of two-port valve, two-port valve cavity wall is provided with air inlet pipe and escape pipe, and air inlet pipe and escape pipe are 90 ° of angles.
7. a kind of microtrauma puncture device according to claim 1 or 6, it is characterized in that: sleeve shell inner chamber is provided with air shuttle valve, this air shuttle valve includes the inner cup portion being made up of elastomeric material, the bottom surface of this cup is plane, these bottom surface central authorities are provided with Y-shaped seam, and the sidewall of inner cup portion is provided with arcuate groove relative with three angles of Y-shaped seam respectively.
8. a kind of microtrauma puncture device according to claim 7, it is characterised in that: three thin seams of described Y-shaped seam are mutually 120 ° of angles.
9. a kind of microtrauma puncture device according to claim 7, it is characterised in that: the upper end of described inner cup portion has been provided with the annular flange of interconnection function.
10. a kind of microtrauma puncture device according to claim 1, it is characterized in that: described puncture needle component, including puncturing needle tubing and puncturing the tissue Separator of handle and front end, puncture and be connected with puncture needle tubing under the handle of handle, on handle being fixed under handle, puncture handle central authorities and be provided with through hole, sight glass lock it is provided with under described handle, sight glass is locked and is provided with two joint pins, and joint pin is stuck in the draw-in groove under handle, has at least on a joint pin and is provided with torsion spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410335388.0A CN104083195B (en) | 2014-07-15 | 2014-07-15 | A kind of microtrauma puncture device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410335388.0A CN104083195B (en) | 2014-07-15 | 2014-07-15 | A kind of microtrauma puncture device |
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| CN104083195A CN104083195A (en) | 2014-10-08 |
| CN104083195B true CN104083195B (en) | 2016-07-06 |
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| CN201410335388.0A Active CN104083195B (en) | 2014-07-15 | 2014-07-15 | A kind of microtrauma puncture device |
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| CN104622598B (en) * | 2015-01-26 | 2016-08-24 | 同济大学 | Tail intervertebral disc of rat microtrauma puncture injection device |
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| CN106901809A (en) * | 2017-03-14 | 2017-06-30 | 张宪祥 | A kind of magnet-type laparoscopic surgery sleeve puncture outfit |
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| CN107468316A (en) * | 2017-09-12 | 2017-12-15 | 温州医科大学附属第二医院温州医科大学附属育英儿童医院 | A kind of adjustable abdominal cavity puncture outfit |
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| CN109259826B (en) * | 2018-08-20 | 2024-03-29 | 荣佳(惠州)医疗器械制造有限公司 | Puncture outfit with high sealing performance |
| CN108784806B (en) * | 2018-08-21 | 2023-08-11 | 联合微创医疗器械（深圳）有限公司 | Sealing assembly and puncture outfit |
| CN109223126B (en) * | 2018-09-07 | 2023-12-05 | 天津优外医疗器材制造有限公司 | Lock ring structure capable of being unlocked by single hand pressing, sleeve assembly and puncture outfit |
| CN110252563A (en) * | 2019-05-05 | 2019-09-20 | 青岛汉柏塑料科技有限公司 | A kind of capping of reservoir, nut and spray gun reservoir bindiny mechanism |
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| CN111000621A (en) * | 2019-12-09 | 2020-04-14 | 天津瑞奇外科器械股份有限公司 | Sealing structure, puncture cannula and medical puncture outfit |
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