CN107007345B - Novel bipolar radio frequency plasma knife - Google Patents
Novel bipolar radio frequency plasma knife Download PDFInfo
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- CN107007345B CN107007345B CN201710370245.7A CN201710370245A CN107007345B CN 107007345 B CN107007345 B CN 107007345B CN 201710370245 A CN201710370245 A CN 201710370245A CN 107007345 B CN107007345 B CN 107007345B
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 description 4
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
- A61B2018/00583—Coblation, i.e. ablation using a cold plasma
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a novel bipolar radio frequency plasma knife, which comprises a handle, a power line, a plug and an inner core, wherein the handle comprises a main handle and an auxiliary handle, the upper end of the main handle is provided with an auxiliary handle connecting column, an inner core connecting mechanism is arranged in the auxiliary handle connecting column, one end of the auxiliary handle is arranged on the auxiliary handle connecting column, the other end of the auxiliary handle is provided with an inner core protecting pipe, the auxiliary handle can slide on the auxiliary handle connecting column along the axial direction of the auxiliary handle connecting column, and a spring is also arranged in the auxiliary handle; the inner core is inserted into the inner core protection tube, one end of the inner core is connected with the inner core connecting mechanism, the other end of the inner core is provided with an electrode, one end of the power wire is connected with the inner core connecting mechanism, and the other end of the power wire is connected with the plug. The invention has the advantages of simple structure and convenient operation, and can realize comprehensive disinfection.
Description
Technical Field
The invention relates to a novel bipolar radio frequency plasma knife, and belongs to the field of medical appliances.
Background
A plasma knife is a surgical tool capable of simultaneously cutting and cauterizing tissue, and is a commonly used medical instrument. In the prior art, as shown in fig. 1, a conventional plasma cutter structure comprises a cutter bar assembly 100, an electrode body 200, a handle 300 and a power cord 400, wherein the cutter bar assembly 100, the electrode body 200 and the handle 300 are coaxially arranged, and the whole structure is a linear structure.
The plasma knife of the prior art structure has a number of disadvantages, such as:
1. the whole structure is a linear structure, and the handle 300 is in a cylindrical structure, so that on one hand, the handle is easy to slip, and on the other hand, the handle is easy to produce a pain feeling after being used for a long time;
2. the surgical instrument needs to be strictly disinfected after each use, but in the existing structure, the outer sleeve of the electrode body 200 and the handle 300 are integrated, so that the disassembly cannot be realized, and the distance between the sleeve of the electrode body 200 and the inner core is very small, so that the complete disinfection is difficult to realize;
3. the connection of the power cord 400 and the handle 300 is often bent, which easily causes the connection to break.
4. The tip portion of the electrode body 200 is generally of a linear structure and has a very limited working range.
Disclosure of Invention
The invention aims to provide a novel bipolar radio frequency plasma knife which solves the defects in the prior art, has the advantages of simple structure and convenient operation, and can realize comprehensive disinfection.
The invention provides a novel bipolar radio frequency plasma knife, which comprises a handle, a power line, a plug and an inner core, wherein the handle comprises a main handle and an auxiliary handle, the upper end of the main handle is provided with an auxiliary handle connecting column, an inner core connecting mechanism is arranged in the auxiliary handle connecting column, one end of the auxiliary handle is arranged on the auxiliary handle connecting column, the other end of the auxiliary handle is provided with an inner core protecting pipe, the auxiliary handle can slide on the auxiliary handle connecting column along the axial direction of the auxiliary handle connecting column, and a spring is also arranged in the auxiliary handle; the inner core is inserted into the inner core protection tube, one end of the inner core is connected with the inner core connecting mechanism, the other end of the inner core is provided with an electrode, one end of the power wire is connected with the inner core connecting mechanism, and the other end of the power wire is connected with the plug.
In the novel bipolar radiofrequency plasma knife, preferably, one end, connected with the auxiliary handle, of the auxiliary handle connecting column is sleeved with a guide sleeve, and the guide sleeve is in interference fit with the outer wall of the auxiliary handle connecting column; be equipped with the mounting hole in the auxiliary handle spliced pole, the mounting hole comprises inner core installation section and inner core coupling mechanism installation section, the inner core installation section with the junction of inner core coupling mechanism installation section is equipped with spacing baffle ring, be equipped with a plurality of spacing posts on the inner wall of inner core coupling mechanism installation section, be equipped with on the outer wall of inner core coupling mechanism with spacing post matched with spacing groove, be equipped with the spring clip on the inner wall of inner core installation section, be equipped with on the outer wall of the tip of inner core with spring clip complex draw-in groove.
In the foregoing novel bipolar radiofrequency plasma knife, preferably, the inner core connection mechanism includes an insulating housing, an anode conductive post and a cathode conductive post, the anode conductive post and the cathode conductive post are both disposed in the insulating housing, one ends of the anode conductive post and the cathode conductive post extend from one end of the insulating housing and are connected with the power line, and the other ends of the anode conductive post and the cathode conductive post extend from the other end of the insulating housing to serve as an anode connection end and a cathode connection end respectively.
In the novel bipolar radiofrequency plasma knife, preferably, the inner core comprises an insulating outer tube, an anode electrode tip and a cathode electrode tip, the anode electrode tip and the cathode electrode tip are fixed at one end of the insulating outer tube, an anode connecting contact and a cathode connecting contact are arranged on the end face of the other end of the insulating outer tube, an anode electrode wire and a cathode electrode wire are arranged in the insulating outer tube, the anode connecting contact passes through the anode electrode wire and the anode electrode tip are connected, and the cathode connecting contact passes through the cathode electrode wire and the cathode electrode tip are connected.
In the novel bipolar radiofrequency plasma knife, preferably, the materials of the positive electrode wire and the negative electrode wire are titanium alloy; the positive electrode head and the negative electrode head are of symmetrical structures, and the end parts of the positive electrode head and the negative electrode head are hemispherical; an insulating separator is arranged between the positive electrode head and the negative electrode head.
In the novel bipolar radiofrequency plasma knife, preferably, one end of the insulating outer tube, which is provided with the positive electrode tip and the negative electrode tip, is arc-shaped, and the radian of the arc-shaped end is 0-90 degrees.
In the novel bipolar rf plasma knife, preferably, the auxiliary handle includes a pull rod portion, a conduit portion, a connecting portion and a protecting tube fixing portion, where the pull rod portion, the conduit portion and the connecting portion are arranged in a T-shaped structure, and are in an integrated structure, one end of the conduit portion is connected with one side of the pull rod portion, the other end of the conduit portion is connected with the connecting portion, the conduit portion is coaxially arranged with the connecting portion, a first through hole is arranged in the conduit portion and the connecting portion, a second through hole is arranged in the pull rod portion, the first through hole and the second through hole are coaxially arranged, the inner diameter of the first through hole is equal to the outer diameter of the guide sleeve, and the inner diameter of the second through hole is equal to the outer diameter of the auxiliary handle connecting post; the protection tube fixing part comprises a cylindrical section and a conical section, wherein a cylindrical cavity is formed in the cylindrical section, a conical cavity is formed in the conical section, the cylindrical section is connected with the connecting part through threads, the end part of the conical section is provided with a through hole communicated with the conical cavity, one end of the inner core protection tube is provided with a conical connecting part matched with the conical cavity, and the inner diameter of the through hole is equal to the outer diameter of the inner core protection tube; the spring is inserted in the first through hole, one end of the spring is abutted with the guide sleeve, and the other end of the spring is abutted with the conical connecting portion.
In the above novel bipolar rf plasma cutter, preferably, 3 finger accommodating grooves are provided on an outer wall of one side of the connecting portion of the pull rod portion and the conduit portion, wherein 1 finger accommodating groove is located above the conduit portion, and the other 2 finger accommodating grooves are located below the conduit portion.
In the novel bipolar radiofrequency plasma knife, preferably, the main handle is composed of a left shell and a right shell which are symmetrical in structure, a first connecting column is arranged at a cavity part of the left shell, a connecting hole matched with the first connecting column is formed in the right shell, and the left shell and the right shell are fixedly connected together through screws; the power line fixing blocks are arranged on the first connecting column, the number of the power line fixing blocks is 2, the power line fixing blocks are symmetrically arranged on the outer wall of the first connecting column, and threading holes are formed in the 2 power line fixing blocks.
In the novel bipolar radio frequency plasma knife, preferably, the novel bipolar radio frequency plasma knife further comprises a wire positioning piece, wherein the wire positioning piece comprises an end cap, a second connecting column and a claw, the end cap is arranged at one end of the second connecting column, the claw is arranged at the other end of the second connecting column, anti-slip protrusions are arranged on the outer wall of the end cap, the claw is of a round table structure formed by encircling a plurality of spring pieces, and wire passing holes are formed in the end cap and the second connecting column; the bottom in the main handle is solid structure, and has locating part connecting hole on this solid structure, the locating part connecting hole comprises cylinder section and round platform section, the cylinder section of locating part connecting hole with the second spliced pole passes through threaded connection, the tapering of the round platform section of locating part connecting hole is greater than the tapering of jack catch.
Compared with the prior art, the novel electric power tool comprises a handle, a power line, a plug and an inner core, wherein the handle comprises a main handle and an auxiliary handle, an auxiliary handle connecting column is arranged at the upper end of the main handle, an inner core connecting mechanism is arranged in the auxiliary handle connecting column, one end of the auxiliary handle is arranged on the auxiliary handle connecting column, an inner core protecting tube is arranged at the other end of the auxiliary handle, the auxiliary handle can slide on the auxiliary handle connecting column along the axial direction of the auxiliary handle, and a spring is further arranged in the auxiliary handle; the inner core is inserted into the inner core protection tube, one end of the inner core is fixedly inserted into the inner core connecting mechanism, the other end of the inner core is provided with an electrode, one end of the power wire is connected with the inner core connecting mechanism, and the other end of the power wire is connected with the plug.
The invention adopts the structure of the main handle and the auxiliary handle, when in use, the main handle is clamped by the palm part, and the auxiliary handle is pressed by fingers, so that the handle structure accords with the application habit of the palm of a human body, the wrist of an operator can not feel sore after long-time operation, the handle structure is convenient to hold, and the handle structure can not slip. Through inner core coupling mechanism's setting, can convenient to detach inner core, make inner core and inner core protection tube separation, realize abundant disinfection. The invention has the advantages of simple structure and convenient operation.
Drawings
FIG. 1 is an isometric view of a prior art plasma knife;
FIG. 2 is an isometric view of the overall structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a front view of the left housing;
FIG. 5 is an isometric view of the core attachment mechanism;
FIG. 6 is an isometric view of the inner core;
FIG. 7 is a schematic view of the internal structure of the sub-handle;
FIG. 8 is an isometric view of a wire positioner with portions broken away;
FIG. 9 is an exploded view of the main handle;
reference numerals illustrate: 1-power wire, 2-plug, 3-core, 4-main handle, 5-auxiliary handle, 6-auxiliary handle connecting column, 7-core connecting mechanism, 8-core protecting tube, 9-spring, 10-guide sleeve, 11-core mounting section, 12-core connecting mechanism mounting section, 13-limit stop ring, 14-limit column, 15-limit groove, 16-spring clip, 17-clamping groove, 18-insulating shell, 19-positive electrode conductive column, 20-negative electrode conductive column, 21-insulating outer tube, 22-positive electrode head, 23-negative electrode head, 24-positive electrode connecting contact, 25-negative electrode connecting contact, 26-positive electrode wire, 27-negative electrode wire, the device comprises a 28-insulating partition plate, a 29-pull rod part, a 30-conduit part, a 31-connecting part, a 32-first through hole, a 33-second through hole, a 34-protection tube fixing part, a 35-cylindrical section, a 36-conical section, a 37-conical connecting part, a 38-through hole, a 39-finger accommodating groove, a 40-left shell, a 41-right shell, a 42-first connecting column, a 43-power wire fixing block, a 44-threading hole, a 45-wire positioning piece, a 46-end cap, a 47-second connecting column, a 48-clamping jaw, a 49-spring piece, a 50-positioning piece connecting hole, a 51-electrode, a 52-blocking rod, a 53-threading hole, a 100-cutter bar assembly, a 200-electrode body, a 300-handle and a 400-power wire.
Detailed Description
The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Embodiments of the invention: as shown in fig. 2 and 3, the novel bipolar radio frequency plasma knife comprises a handle, a power line 1, a plug 2 and an inner core 3, wherein the handle comprises a main handle 4 and an auxiliary handle 5, the upper end of the main handle 4 is provided with an auxiliary handle connecting column 6 which is vertically arranged with the main handle, an inner core connecting mechanism 7 is arranged in the auxiliary handle connecting column 6, one end of the auxiliary handle 5 is arranged on the auxiliary handle connecting column 6, the other end of the auxiliary handle 5 is provided with an inner core protecting tube 8, the auxiliary handle 5 can slide on the auxiliary handle connecting column 6 along the axial direction of the auxiliary handle connecting column, and a spring 9 is also arranged in the auxiliary handle 5; the inner core 3 is inserted in the inner core protection tube 8, one end of the inner core 3 is connected with the inner core connecting mechanism 7, the other end of the inner core is provided with an electrode 51, one end of the power wire 1 is connected with the inner core connecting mechanism 7, and the other end of the power wire is connected with the plug 2.
When the auxiliary handle is used, firstly, the spring 9 is assembled, firstly, the auxiliary handle 5 is assembled, then one end of the inner core 3 with the electrode 51 is inserted into the inner core protection tube 8 from the left end of the auxiliary handle 5, then the left end of the inner core 3 is inserted into the auxiliary handle connecting column 6 and is in butt joint with the inner core connecting mechanism 7, and then the auxiliary handle 5 is spliced on the auxiliary handle connecting column 6, so that the assembly is completed. In operation, the plug 2 is plugged into the socket, electric energy is transmitted to the inner core connecting mechanism 7 through the power wire 1, and the inner core connecting mechanism 7 is transmitted to the inner core 3, so that the electrode 51 of the inner core 3 works. Under normal conditions, one end of the electrode 51 only extends out of the inner core protection tube 8 for a small section, when the auxiliary handle 5 is pulled by a finger, the auxiliary handle 5 moves towards the direction of the main handle 4, meanwhile, the spring 9 is compressed, and as no relative displacement exists between the inner core 3 and the main handle 4, the auxiliary handle 5 moves and drives the inner core protection tube 8 to move, the part of the inner core 3 extending out of the inner core protection tube 8 is more and more, preferably, the inner core 3 of the scheme is made of memory alloy, one end of the inner core 3 provided with the electrode 51 is naturally bent, the length of the inner core 3 extending out of the inner core protection tube 8 is increased, the natural bending loses the constraint of the inner core protection tube 8, the bending angle is gradually increased along with the increase of the extending length, and therefore, the operation on different parts of a patient can be realized through the adjustment of the auxiliary handle 5, and the working range is effectively enlarged. When the finger releases the auxiliary handle 5, the auxiliary handle 5 moves away from the main handle 4 with the core protection tube 8 under the action of the spring 9, and the core 3 gradually retracts into the core protection tube 8.
The auxiliary handle 5 of the invention can be detached from the main handle 4, and the inner core 3 can be freely detached, so that the invention can realize full disinfection, and the invention has simple structure and is convenient for assembly and operation.
Besides the sterilization of the invention, the auxiliary handle 5, the inner core protection tube 8 and the inner core 3 can be made into disposable parts, and the disposable parts can be directly replaced after each operation, so that the problem of incomplete sterilization can be solved. If the sub-handle 5, the core protection tube 8 and the core 3 are made as a disposable piece, the main material of their outer shell parts is preferably plastic.
In a preferred embodiment, referring to fig. 3, 4, 5 and 6, on the basis of the above embodiment, the end of the auxiliary handle connecting post 6 connected with the auxiliary handle 5 is sleeved with a guide sleeve 10,
through the setting of uide bushing 10, can play spacing effect to auxiliary handle 5, prevent auxiliary handle 5 pine takes off naturally, set up spacing post 14 can carry out spacingly to inner core coupling mechanism 7, can not make it not hard up because of inner core 3 promotes inner core coupling mechanism 7 when grafting inner core 3 like this, play the key effect to guaranteeing the effective connection of inner core coupling mechanism 7 and inner core 3, because main handle 4's casing is controlling split type structure, only need compress tightly after the spacing groove 15 with inner core coupling mechanism 7 outer wall aligns with spacing post 14 during the installation can, the installation of being convenient for very much. The spring clip 16 is provided to prevent the core 3 from being released from the core mounting section 11 and also plays a key role in the effective connection of the core attachment mechanism 7 to the core 3.
Further, the inner core connection mechanism 7 includes an insulating housing 18, a positive electrode conductive post 19 and a negative electrode conductive post 20, the positive electrode conductive post 19 and the negative electrode conductive post 20 are all disposed in the insulating housing 18, one ends of the positive electrode conductive post 19 and the negative electrode conductive post 20 extend from one end of the insulating housing 18 and are connected with the power line 1, and the other ends extend from the other end of the insulating housing 18 to serve as a positive electrode connection end and a negative electrode connection end respectively. The inner core 3 comprises an insulating outer tube 21, a positive electrode tip 22 and a negative electrode tip 23, wherein the positive electrode tip 22 and the negative electrode tip 23 are fixed at one end of the insulating outer tube 21, a positive electrode connecting contact 24 and a negative electrode connecting contact 25 are arranged on the end face of the other end of the insulating outer tube 21, a positive electrode wire 26 and a negative electrode wire 27 are arranged in the insulating outer tube 21, the positive electrode connecting contact 24 is connected with the positive electrode tip 22 through the positive electrode wire 26, and the negative electrode connecting contact 25 is connected with the negative electrode tip 23 through the negative electrode wire 27.
In order that the inner core 3 can slide smoothly within the inner core protection tube 8, it is preferable that the outer diameter of the insulating outer tube 21 is smaller than the inner diameter of the inner core protection tube 8 by 1mm to 3mm. The positive electrode connecting contact 24 is in contact connection with the positive electrode conductive post 19, the negative electrode connecting contact 25 is in contact connection with the negative electrode conductive post 20, and the internal structure of the invention can be effectively optimized by adopting the connection mode to replace the traditional complex connection mode.
Preferably, the materials of the positive electrode wire 26 and the negative electrode wire 27 are titanium alloy; the positive electrode head 22 and the negative electrode head 23 are symmetrical structures, and the ends of the positive electrode head and the negative electrode head are hemispherical; an insulating separator 28 is provided between the positive electrode tab 22 and the negative electrode tab 23. The insulating outer tube 21 has an arc shape at one end of the positive electrode tip 22 and the negative electrode tip 23, the arc shape is 0-90 degrees, preferably 45 degrees, and the arc shape can maintain the shape of the arc tip, and the arc shape mainly depends on the positive electrode wire 26 and the negative electrode wire 27 because of the memory function of the titanium alloy of the arc shape. The ends of the positive electrode tip 22 and the negative electrode tip 23 are designed to be hemispheric, so that the invention can effectively protect tissues and organs in a human body in the process of being inserted into the human body.
In another preferred embodiment, as shown in fig. 3 and 7, the auxiliary handle 5 comprises a pull rod portion 29, a conduit portion 30, a connecting portion 31 and a protective tube fixing portion 34, wherein the pull rod portion 29, the conduit portion 30 and the connecting portion 31 are arranged in a T-shaped structure, and are in an integrated structure, one end of the conduit portion 30 is connected with one side of the pull rod portion 29, the other end of the conduit portion is connected with the connecting portion 31, the conduit portion 30 is coaxially arranged with the connecting portion 31, a first through hole 32 is arranged in the conduit portion 30 and the connecting portion 31, a second through hole 33 is arranged in the pull rod portion 29, the first through hole 32 and the second through hole 33 are coaxially arranged, the inner diameter of the first through hole 32 is equal to the outer diameter of the guide sleeve 10, and the inner diameter of the second through hole 33 is equal to the outer diameter of the auxiliary handle connecting post 6; the protection tube fixing part 34 comprises a cylindrical section 35 and a conical section 36, wherein a cylindrical cavity is formed in the cylindrical section 35, a conical cavity is formed in the conical section 36, the cylindrical section 35 is connected with the connecting part 31 through threads, a through hole 38 communicated with the conical cavity is formed in the end part of the conical section 36, a conical connecting part 37 matched with the conical cavity is arranged at one end of the inner core protection tube 8, and the inner diameter of the through hole 38 is equal to the outer diameter of the inner core protection tube 8; the spring 9 is inserted into the first through hole 32, and one end thereof abuts against the guide bush 10, and the other end abuts against the tapered connecting portion 37.
The auxiliary handle 5 can realize the independent disassembly of the inner core protection tube 8 by adopting the structure, so that the pull rod part 29, the conduit part 30 and the connecting part 31 of the auxiliary handle 5 can not be disinfected during the disinfection, and the disinfection is more thorough. The first through hole 32 is used for holding the uide bushing 10 and the spring 9 of auxiliary handle spliced pole 6 tip, and uide bushing 10 can freely slide in first through hole 32, and the slip stroke is dependent on the length of first through hole 32, and the second through hole 33 is used for cooperating and leading smooth with auxiliary handle spliced pole 6, and the internal diameter of second through hole 33 is less than the internal diameter of first through hole 32 in addition, has played the effect to uide bushing 10 slip spacing, makes auxiliary handle 5 can not loosen from auxiliary handle spliced pole 6 naturally. During assembly, the auxiliary handle 5 is inserted into the auxiliary handle connecting column 6, then the guide sleeve 10 is sleeved at the end part of the auxiliary handle connecting column 6, the guide sleeve 10 cannot easily fall off due to the fact that the auxiliary handle connecting column 6 is in interference fit with the guide sleeve 10, then the spring 9 is inserted into the first through hole 32 to be abutted against the guide sleeve 10, then the inner core protection tube 8 is mounted on the protection tube fixing part 34, the protection tube fixing part 34 is rotated, the cylindrical section of the protection tube fixing part 34 is in threaded connection with the connecting part 31, and the other end of the spring 9 is abutted against the conical connecting part 37 after being twisted.
Preferably, 3 finger receiving grooves 39 are provided on the outer wall of the side of the pull rod portion 29 connected to the duct portion 30, wherein 1 finger receiving groove 39 is located above the duct portion 30 and the other 2 finger receiving grooves 39 are located below the duct portion 30.
By adopting the structural design, the pull rod part 29 of the auxiliary handle can be matched with the fingers of a doctor, so that the fingers are prevented from slipping, and the accident occurrence of the operation is reduced. Furthermore, the finger receiving slot 39 is provided to facilitate finger application, and may also allow the practitioner to assume a variety of prone positions, such as: and the surgical success rate is improved by positive holding or reverse holding.
In an alternative embodiment, as shown in fig. 3, 8 and 9, the upper end of the main handle 4 is further provided with a stop lever 52, and the stop lever 52 is used for limiting the palm of the hand of the person. The main handle 4 consists of a left shell 40 and a right shell 41 which are symmetrical in structure, a first connecting column 42 is arranged at a cavity part of the left shell 40, a connecting hole matched with the first connecting column 42 is arranged on the right shell 41, and the left shell 40 and the right shell 41 are fixedly connected together through screws; be equipped with power cord fixed block 43 on the first spliced pole 42, power cord fixed block 43 is 2, and the symmetry sets up on the outer wall of first spliced pole 42, all is equipped with through wires hole 44 on 2 power cord fixed blocks 43.
The setting of the power cord fixing block 43 can separate the live wire from the zero wire of the power cord 1, so that a certain distance is reserved between the live wire and the zero wire, and the damage to human body caused by short circuit of the circuit due to long-term abrasion is prevented. In addition, the power cord fixing block 43 is arranged on the first connecting column 42, so that the structure of the invention can be optimized, the existing structure can be fully utilized, and the material consumption can be reduced.
The wire positioning piece 45 is further included, the wire positioning piece 45 comprises an end cap 46, a second connecting column 47 and a claw 48, the end cap 46 is arranged at one end of the second connecting column 47, the claw 48 is arranged at the other end of the second connecting column 47, anti-slip protrusions are arranged on the outer wall of the end cap 46, the claw 48 is of a truncated cone structure surrounded by a plurality of spring pieces 49, and wire passing holes 53 are formed in the end cap 46 and the second connecting column 47; the bottom in the main handle 4 is solid structure, and has setting element connecting hole 50 on this solid structure, and setting element connecting hole 50 comprises cylinder section and round platform section, and the cylinder section of setting element connecting hole 50 passes through threaded connection with second spliced pole 47, and the tapering of the round platform section of setting element connecting hole 50 is greater than the tapering of jack catch 48.
The design of wire setting element 45 can carry out effective location to power cord 1, can change the position that power cord 1 is located the tip of wire setting element 45 after so using a period, prevent to buckle for a long time to a position, improve the life of power cord 1, specific governing mode is, make second spliced pole 47 and card change 48 break away from setting element connecting hole 50 through torsion end cap 46, lose the spring leaf 49 of constraint and restore to the original state, its free end is kept away from each other, can adjust the position of power cord 1 at this moment, turn tightly end cap 46 after adjusting, card change 48 and remove to the round platform section of setting element connecting hole 50, under the constraint of round platform section, each spring leaf 49 is compressed, begin to compress tightly the outer wall of power cord 1, realize the location to power cord 1, this design can effectively solve the problem that power cord 1 is buckled for a long time and is damaged.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (7)
1. The utility model provides a novel bipolar radio frequency plasma sword, includes handle, power cord (1), plug (2) and inner core (3), its characterized in that: the handle comprises a main handle (4) and an auxiliary handle (5), wherein an auxiliary handle connecting column (6) is arranged at the upper end of the main handle (4), an inner core connecting mechanism (7) is arranged in the auxiliary handle connecting column (6), one end of the auxiliary handle (5) is arranged on the auxiliary handle connecting column (6), an inner core protecting tube (8) is arranged at the other end of the auxiliary handle, the auxiliary handle (5) can slide on the auxiliary handle connecting column (6) along the axial direction of the auxiliary handle connecting column, and a spring (9) is further arranged in the auxiliary handle (5); the inner core (3) is inserted into the inner core protection tube (8), one end of the inner core protection tube is connected with the inner core connecting mechanism (7), the other end of the inner core protection tube is provided with an electrode (51), one end of the power wire (1) is connected with the inner core connecting mechanism (7), and the other end of the power wire is connected with the plug (2); one end of the auxiliary handle connecting column (6) connected with the auxiliary handle (5) is sleeved with a guide sleeve (10), and the guide sleeve (10) is in interference fit with the outer wall of the auxiliary handle connecting column (6);
the auxiliary handle (5) comprises a pull rod part (29), a conduit part (30), a connecting part (31) and a protection tube fixing part (34), wherein the pull rod part (29), the conduit part (30) and the connecting part (31) are arranged in a T-shaped structure and are of an integrated structure, one end of the conduit part (30) is connected with one side of the pull rod part (29), the other end of the conduit part is connected with the connecting part (31), the conduit part (30) is coaxially arranged with the connecting part (31), a first through hole (32) is formed in the conduit part (30) and the connecting part (31), a second through hole (33) is formed in the pull rod part (29), the first through hole (32) and the second through hole (33) are coaxially arranged, the inner diameter of the first through hole (32) is equal to the outer diameter of the guide sleeve (10), and the inner diameter of the second through hole (33) is equal to the outer diameter of the auxiliary handle connecting column (6); the protection tube fixing part (34) comprises a cylindrical section (35) and a conical section (36), wherein a cylindrical cavity is formed in the cylindrical section (35), a conical cavity is formed in the conical section (36), the cylindrical section (35) is connected with the connecting part (31) through threads, a through hole (38) communicated with the conical cavity is formed in the end part of the conical section (36), a conical connecting part (37) matched with the conical cavity is arranged at one end of the inner core protection tube (8), and the inner diameter of the through hole (38) is equal to the outer diameter of the inner core protection tube (8); the spring (9) is inserted in the first through hole (32), one end of the spring is abutted against the guide sleeve (10), and the other end of the spring is abutted against the conical connecting part (37);
the main handle (4) consists of a left shell (40) and a right shell (41) which are symmetrical in structure, a first connecting column (42) is arranged at a cavity part of the left shell (40), a connecting hole matched with the first connecting column (42) is formed in the right shell (41), and the left shell (40) and the right shell (41) are fixedly connected together through screws; the first connecting column (42) is provided with 2 power line fixing blocks (43), the 2 power line fixing blocks (43) are symmetrically arranged on the outer wall of the first connecting column (42), and the 2 power line fixing blocks (43) are respectively provided with a threading hole (44);
the wire positioning piece (45) comprises an end cap (46), a second connecting column (47) and a claw (48), wherein the end cap (46) is arranged at one end of the second connecting column (47), the claw (48) is arranged at the other end of the second connecting column (47), anti-slip protrusions are arranged on the outer wall of the end cap (46), the claw (48) is of a round table structure surrounded by a plurality of spring pieces (49), and wire passing holes (53) are formed in the end cap (46) and the second connecting column (47); the bottom in main handle (4) is solid structure, and has setting element connecting hole (50) on this solid structure, setting element connecting hole (50) are by cylinder section and round platform section constitution, the cylinder section of setting element connecting hole (50) with second spliced pole (47) pass through threaded connection, the tapering of round platform section of setting element connecting hole (50) is greater than the tapering of jack catch (48).
2. The novel bipolar rf plasma torch of claim 1, wherein: be equipped with the mounting hole in auxiliary handle spliced pole (6), the mounting hole comprises inner core installation section (11) and inner core coupling mechanism installation section (12), inner core installation section (11) with the junction of inner core coupling mechanism installation section (12) is equipped with spacing baffle ring (13), be equipped with a plurality of spacing posts (14) on the inner wall of inner core coupling mechanism installation section (12), be equipped with on the outer wall of inner core coupling mechanism (7) with spacing post (14) matched with spacing groove (15), be equipped with spring clip (16) on the inner wall of inner core installation section (11), be equipped with on the outer wall of the tip of inner core (3) with spring clip (16) complex draw-in groove (17).
3. The novel bipolar radiofrequency plasma blade of claim 1 or 2, wherein: the inner core connecting mechanism (7) comprises an insulating shell (18), an anode conductive column (19) and a cathode conductive column (20), wherein the anode conductive column (19) and the cathode conductive column (20) are arranged in the insulating shell (18), one ends of the anode conductive column (19) and the cathode conductive column (20) extend out from one end of the insulating shell (18) and are connected with the power line (1), and the other ends of the anode conductive column and the cathode conductive column extend out from the other end of the insulating shell (18) to serve as an anode connecting end and a cathode connecting end respectively.
4. The novel bipolar rf plasma torch of claim 1, wherein: the inner core (3) comprises an insulating outer tube (21), a positive electrode tip (22) and a negative electrode tip (23), wherein the positive electrode tip (22) and the negative electrode tip (23) are fixed at one end of the insulating outer tube (21), a positive electrode connecting contact (24) and a negative electrode connecting contact (25) are arranged on the end face of the other end of the insulating outer tube (21), a positive electrode wire (26) and a negative electrode wire (27) are arranged in the insulating outer tube (21), the positive electrode connecting contact (24) is connected with the positive electrode tip (22) through the positive electrode wire (26), and the negative electrode connecting contact (25) is connected with the negative electrode tip (23) through the negative electrode wire (27).
5. The novel bipolar rf plasma torch of claim 4, wherein: the positive electrode wire (26) and the negative electrode wire (27) are made of titanium alloy, the positive electrode head (22) and the negative electrode head (23) are symmetrical structures, and the ends of the positive electrode head and the negative electrode head are hemispherical; an insulating separator (28) is arranged between the positive electrode head (22) and the negative electrode head (23).
6. The novel bipolar rf plasma torch according to claim 4 or 5, wherein: one end of the insulating outer tube (21) provided with the positive electrode head (22) and the negative electrode head (23) is arc-shaped, and the radian of the arc-shaped outer tube is 0-90 degrees.
7. The novel bipolar rf plasma torch of claim 2, wherein: 3 finger accommodating grooves (39) are formed in the outer wall of the side, connected with the guide pipe portion (30), of the pull rod portion (29), wherein 1 finger accommodating groove (39) is located above the guide pipe portion (30), and the other 2 finger accommodating grooves (39) are located below the guide pipe portion (30).
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| CN201710370245.7A CN107007345B (en) | 2017-05-23 | 2017-05-23 | Novel bipolar radio frequency plasma knife |
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| CN201710370245.7A CN107007345B (en) | 2017-05-23 | 2017-05-23 | Novel bipolar radio frequency plasma knife |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107736931A (en) * | 2017-10-27 | 2018-02-27 | 上海诺英医疗器械有限公司 | A kind of low-temperature plasma snare knife surgical apparatus |
| CN109953814A (en) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | A kind of combined type ablation sting device |
| KR102106776B1 (en) * | 2018-09-04 | 2020-05-06 | (주)펨토사이언스 | Potable plasma device |
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Address after: 100000 Room 601, building 1, Jinzhuang courtyard 1, Haidian District, Beijing Applicant after: Beijing andesipu Technology Co.,Ltd. Address before: 100000 Room 601, building 1, Jinzhuang courtyard 1, Haidian District, Beijing Applicant before: BEIJING ANDESIKAOPU TRADE Co.,Ltd. |
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