CN109770999B - Surgical cutter - Google Patents
Surgical cutter Download PDFInfo
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- CN109770999B CN109770999B CN201910079757.7A CN201910079757A CN109770999B CN 109770999 B CN109770999 B CN 109770999B CN 201910079757 A CN201910079757 A CN 201910079757A CN 109770999 B CN109770999 B CN 109770999B
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- inner tube
- handle
- assembly
- outer tube
- cutting
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- 238000010304 firing Methods 0.000 claims description 17
- 238000011010 flushing procedure Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 210000004185 liver Anatomy 0.000 description 6
- 208000031513 cyst Diseases 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 241001222599 Clania variegata Species 0.000 description 4
- 206010011732 Cyst Diseases 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000002262 irrigation Effects 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 4
- 206010014096 Echinococciasis Diseases 0.000 description 3
- 208000009366 Echinococcosis Diseases 0.000 description 3
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010019646 Hepatic cyst Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 241000255969 Pieris brassicae Species 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
The invention discloses a surgical cutter, and relates to the technical field of surgical instruments. The surgical cutter comprises a cutting assembly, a handle trigger assembly and a rotating assembly, wherein the cutting assembly comprises an outer tube and an inner tube sleeved in the outer tube, and a cutting knife is arranged at the front end of the cutting assembly; the handle trigger assembly is connected with the cutting assembly and is configured to drive the inner tube to reciprocate axially relative to the outer tube; the rotating assembly is connected with the cutting assembly and is configured to drive the inner tube and the outer tube to synchronously rotate. In the surgical cutter, the angle of the cutting knife can be adjusted by arranging the rotating component so as to ensure the accurate cutting position; the inner tube can be driven to axially reciprocate by one-hand operation through the handle trigger assembly, so that the cutting action is finished, and the operation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to a surgical cutter.
Background
There are 23 provinces in China with the case of local infection of echinococcosis, wherein the epidemic is serious in areas such as Xinjiang, qinghai, tibet, gansu, ningxia, inner Mongolia and Sichuan western, and the like, and the liver echinococcosis is the main cause. The best approach to the liver echinococcosis at present is to achieve rehabilitation through surgical aspiration and excision. Three methods are generally adopted in the prior art, namely, human body puncture, namely, the liver cyst is sucked off through a puncture operation: secondly, directly opening the abdominal cavity of a human body, performing operation treatment, and resecting the cyst of the liver bag worm; thirdly, rotary-cut attraction removal is carried out on the hepatic cyst by using a cabbage caterpillar rotary cutter.
The three methods have the following defects in actual operation: the first method has less trauma to human body, but is not clean to treat, cross-infects, and is extremely easy to cause recurrence; the second method can treat the cyst of the liver bag worm cleanly, but has too great trauma to the human body and long recovery time of the human body; the third method needs special rotary cutting instrument for liver bag worm operation, and the instrument needs rotary cutting action by two hands, which is inconvenient to operate.
Disclosure of Invention
The invention aims to provide a surgical cutter which is simple and convenient to operate.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a surgical cutter, includes cutting assembly, cutting assembly includes outer tube and cover locate the inner tube in the outer tube, cutting assembly's front end is provided with the cutting knife, surgical cutter still includes:
a handle trigger assembly coupled to the cutting assembly, the handle trigger assembly configured to drive the inner tube to reciprocate axially relative to the outer tube; and
And the rotating assembly is connected with the cutting assembly and is configured to drive the inner tube and the outer tube to synchronously rotate.
Wherein the handle trigger assembly comprises:
the tail end of the outer tube is connected with the handle, and the tail end of the inner tube extends out of the tail end of the outer tube and into the handle; and
The trigger has a reset function and is respectively connected with the handle and the inner tube in a rotating way.
Wherein the handle trigger assembly further comprises:
and one end of the reset elastic piece is connected with the handle, and the other end of the reset elastic piece is connected with the firing trigger.
Wherein the firing trigger comprises:
the upper end of the main body extends into the handle and is rotationally connected with the handle, and the lower end of the main body extends out of the handle;
the sliding block is positioned in the handle and can slide along the axial direction of the inner tube, and the sliding block is connected with the reset elastic piece; and
And one end of the connecting rod is rotationally connected with the sliding block, and the other end of the connecting rod is rotationally connected with the main body.
The inner wall of the handle is provided with a sliding groove extending along the axial direction of the inner tube, and the sliding block is arranged in the sliding groove in a sliding way.
Wherein, the rotating assembly includes:
the impeller is sleeved outside the outer tube and rotates synchronously with the outer tube; and
The connecting pin is used for connecting the outer pipe and the inner pipe, and the inner pipe can axially slide along the connecting pin.
The connecting pin is arranged on the inner pipe, extends into the long strip hole and can slide along the long strip hole.
Wherein the surgical cutter further comprises:
and the flushing assembly is communicated with the inner pipe.
Wherein a sealing ring is arranged between the inner pipe and the outer pipe.
Wherein the surgical cutter further comprises:
and the vacuum adsorption component is communicated with the tail end of the inner tube.
The beneficial effects are that: the invention provides a surgical cutter. In the surgical cutter, the angle of the cutting knife can be adjusted by arranging the rotating component so as to ensure the accurate cutting position; the inner tube can be driven to axially reciprocate by one-hand operation through the handle trigger assembly, so that the cutting action is finished, and the operation is simple and convenient.
Drawings
FIG. 1 is a partial cross-sectional view of a surgical cutter provided in accordance with the present invention as the firing trigger is released;
FIG. 2 is a schematic view of the front end of the cutting assembly of FIG. 1;
FIG. 3 is a partial cross-sectional view of the surgical cutter provided by the present invention as the firing trigger is depressed;
FIG. 4 is a schematic view of the front end of the cutting assembly of FIG. 3;
FIG. 5 is a schematic view of a portion of the structure of a surgical cutter provided by the present invention;
FIG. 6 is a cross-sectional view of a surgical cutter provided by the present invention;
fig. 7 is a partial cross-sectional view of a cutting assembly provided by the present invention.
Wherein:
1. a cutting assembly; 11. an outer tube; 12. an inner tube; 121. a slit hole; 13. a cutting knife; 14. a seal ring;
2. a handle trigger assembly; 21. a handle; 211. a right housing; 212. a left housing; 22. a main body; 23. a slide block; 24. a compression spring; 25. a connecting rod;
3. a rotating assembly; 31. a pulsator; 32. a connecting pin;
4. a negative pressure vacuum suction port; 5. and (5) flushing the mouth.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the invention more clear, the technical scheme of the invention is further described below by a specific embodiment in combination with the attached drawings.
The present embodiment provides a surgical cutter that may be used to cut cysts or collect tissue samples during surgery. In this embodiment, a surgical cutter is used to cut a cyst of a bag worm.
As shown in fig. 1, the surgical cutter includes a cutting assembly 1, a rotating assembly 3, a handle trigger assembly 2, a flushing assembly, and a vacuum suction assembly.
The cutting assembly 1 is of tubular construction for cutting tissue. For convenience of description, one end of the cutting assembly 1 for cutting tissue is called a front end, and the end far away from the tissue is called a tail end, and the front end of the cutting assembly 1 is provided with a cutting knife 13, and the cutting knife 13 is used for cutting; the trailing end of the cutting assembly 1 is connected to a handle trigger assembly 2 so that the cutting action is controlled by holding the handle trigger assembly 2. Specifically, the cutting assembly 1 includes an outer tube 11, an inner tube 12 penetrating inside the outer tube 11, and a cutter 13 provided on the inner tube 12. As shown in fig. 1 and 2, the front end side of the outer tube 11 and the front end side of the inner tube 12 are each formed with a slit by way of an opening, and the cutter 13 is disposed on the slit of the inner tube 12 in correspondence with the side wall near the front end so that the tissue cut by the cutter 13 enters the inner tube 12 through the slit of the inner tube 12.
The rotating assembly 3 is connected with the cutting assembly 1, and can drive the inner tube 12 and the outer tube 11 to synchronously rotate, so that the angle of the cutting knife 13 on the cutting assembly 1 is adjusted, and the cutting is performed at a position needing operation. The inner tube 12 and the outer tube 11 synchronously rotate, so that the staggering of the notch on the inner tube 12 and the notch on the outer tube 11 can be avoided, the shielding of the cutting knife 13 is avoided, and the cutting effect is ensured.
The handle trigger assembly 2 is used as an operation end and is connected with the cutting assembly 1, and the handle trigger assembly 2 can drive the inner tube 12 to axially slide towards the outer tube 11, so that the cutting knife 13 can be contacted with a position to be cut and perform cutting action. In this embodiment, the handle trigger assembly 2 can be held by one hand, and the reciprocating movement of the inner tube 12 can be realized by tapping the trigger, so that the operation strength is small and convenient, and the operation difficulty of the surgical cutter is reduced.
The inner tube 12 intercommunication in flushing subassembly and the cutting subassembly 1 for provide the flushing liquid in to inner tube 12, in order to wash the blood and the tissue that produce when cutting position and cutting, conveniently observe the circumstances of cutting through chambered mirror etc. is favorable to guaranteeing the operation effect, and flushing subassembly can also wash cutting subassembly 1, is favorable to reducing cross infection's risk.
In order to allow smooth drainage of the severed tissue and of the irrigation fluid, the surgical cutter is further provided with a vacuum suction assembly which communicates with the inner tube 12 of the cutting assembly 1. In actual use, the inner tube 12 reciprocates axially while the flushing assembly and vacuum suction assembly operate simultaneously, flushing and draining water while cutting.
As shown in fig. 1 and 3, the tail end of the outer tube 11 of the cutting assembly 1 is fixed to the front upper end of the handle 21, and the tail end of the inner tube 12 is penetrated out of the outer tube 11 and extends into the handle 21. The vacuum suction assembly comprises a negative pressure vacuum suction port 4 and a vacuum pumping device. One end of the negative pressure vacuum suction port 4 extends into the handle 21 and is rotatably connected with the tail end of the inner tube 12, and the other end of the negative pressure vacuum suction port 4 is positioned outside the handle 21 and is communicated with a vacuum pumping device so as to generate negative pressure in the cutting assembly 1.
The handle trigger assembly 2 includes a handle 21 and a firing trigger. One end of the firing trigger extends into the handle 21 and is rotationally connected with the inner wall of the handle 21, the other end extends out of the handle 21, and the firing trigger has a reset function. By pressing or releasing the firing trigger, the firing trigger can be rotated or reset relative to the handle 21, thereby driving the inner tube 12 to reciprocate axially to effect cutting.
In this embodiment, the reset of the firing trigger may be achieved by a reset spring having one end connected to the handle 21 and the other end connected to the firing trigger. When the trigger is pressed, the trigger overcomes the elastic force of the elastic reset piece and rotates towards the direction approaching to the handle 21, and simultaneously, the inner tube 12 is driven to move backwards. When the trigger is released, the trigger will rotate away from the handle 21 under the force of the elastic restoring member, so as to restore to the original position, and in the process, the trigger will drive the inner tube 12 to move toward the front end. By pressing and releasing the firing trigger, the inner tube 12 may be reciprocated axially to complete the cutting action.
Specifically, the firing trigger includes a main body 22, a slide 23, and a linkage 25. The lower end of the main body 22 extends out of the handle 21, and the upper end of the main body 22 is rotatably connected to the inner wall of the handle 21 at a position near the front side. The slider 23 is disposed in the handle 21 and is slidable relative to the handle 21 in the axial direction of the inner tube 12, and the rear end of the slider 23 is connected to an elastic restoring member. One end of the link 25 is rotatably connected to the slider 23, and the other end is rotatably connected to the upper end of the main body 22 at a position near the rear side. Wherein the resilient return member may be a compression spring 24.
When the firing trigger is released, the handle trigger assembly 2 is shown in FIG. 1 with the compression spring 24 driving the push slide 23 to a position near the forward end, at which point the cutting blade 13 on the inner tube 12 is positioned at the forward-most side as shown in FIG. 2. When the trigger assembly 2 is pressed, as shown in fig. 3, the lower end of the main body 22 moves in a direction approaching the handle 21, and the main body 22 drives the sliding block 23 to slide to the rear side against the resistance of the compression spring 24 through the connecting rod 25, so as to drive the inner tube 12 to move to the rear side, and at this time, as shown in fig. 4, the cutter 13 on the inner tube 12 is positioned at the rearmost side. The moving distance of the slider 23 is the cutting depth of the cutter 13.
To limit the sliding direction of the sliding block 23, a sliding groove extending along the axial direction of the inner tube 12 may be provided on the inner wall of the handle 21, and the sliding block 23 is slidably disposed in the sliding groove. By restricting the sliding direction of the slider 23 by the slide groove, the moving distance of the inner tube 12 can be ensured.
As shown in fig. 5, to facilitate the installation of the handle trigger assembly 2 and the cutting assembly 1, the handle 21 may include a left housing 212 and a right housing 211 symmetrically disposed, and the left housing 212 and the right housing 211 are buckled to form the handle 21.
In this embodiment, the rotation assembly 3 may be provided at a connection position of the cutting assembly 1 and the handle 21. Specifically, the rotating assembly 3 includes a pulsator 31 and a connection pin 32. The pulsator 31 is sleeved on the outer tube 11 and is fixed with the outer tube 11. The connection pin 32 connects the outer tube 11 and the inner tube 12. When the angle of the cutter 13 needs to be adjusted, the outer tube 11 can be driven to rotate by rotating the impeller 31, and the inner tube 12 can be driven to synchronously rotate due to the fact that the outer tube 11 is connected with the inner tube 12 through the connecting pin 32. In this embodiment, the pulsator 31 may rotate 360 °.
Since the inner tube 12 needs to move axially relative to the outer tube 11, the inner tube 12 can slide axially relative to the connecting pin 32 itself in order to avoid the connecting pin 32 from affecting the axial reciprocation of the inner tube 12.
As shown in fig. 6, the inner tube 12 is provided with a long hole 121 extending in the axial direction thereof, the connection pin 32 is provided through the outer tube 11, and the end of the connection pin 32 protrudes into the long hole 121. The width of the elongated hole 121 may be matched with the diameter of the connection pin 32 such that the connection pin 32 cannot move in the width direction of the elongated hole 121 but can slide in the length direction of the elongated hole 121.
When the inner tube 12 is axially reciprocated, the connecting pin 32 slides along the elongated hole 121 so that the inner tube 12 can be moved relative to the outer tube 11. When the pulsator 31 is rotated, the outer tube 11 rotates, driving the connection pin 32 to move in the circumferential direction. Because the strip hole 121 limits the connecting pin 32, the connecting pin 32 drives the inner tube 12 to rotate, so that synchronous rotation of the inner tube 12 and the outer tube 11 is realized.
In order to make the stress of the inner tube 12 uniform, the connecting pins 32 may be provided in plurality, and the plurality of connecting pins 32 may be provided at uniform intervals along the circumferential direction of the inner tube 12, so that the stress of the inner tube 12 is more uniform.
In this embodiment, the flushing assembly may include a liquid storage device and a liquid supply pipe, where two ends of the liquid supply pipe are respectively connected to the liquid storage device and the inner pipe 12. As shown in fig. 6, the pulsator 31 is provided therein with a flushing port 5, one end of the flushing port 5 is communicated with the inner tube 12, and the other end thereof may be communicated with a liquid supply pipe.
As shown in fig. 7, in order to avoid leakage of the irrigation liquid, the irrigation liquid enters the handle 21 to affect the normal operation of the surgical cutter, a sealing ring 14 may be provided between the inner tube 12 and the outer tube 11, and sealing rings 14 are provided at both ends of the inner tube 12 outside the rotating assembly 3 to avoid the irrigation liquid entering between the inner tube 12 and the outer tube 11 through the rotating assembly 3.
In this embodiment, the handle 21 may be made of a polymer material, which has the characteristic of light weight, is convenient for medical staff to hold, and can realize one-hand operation.
The operation procedure of the surgical cutter provided in this embodiment is as follows:
the cutting assembly 1 is brought into the site to be cut by piercing the probe, rotating the pulsator 31, and adjusting the angle of the cutter 13 so that the cutter 13 is aligned with the site to be cut. The handle trigger assembly 2 is grasped and the firing trigger is repeatedly depressed and released to drive the inner tube 12 to reciprocate axially to effect the cut. At the same time of cutting, the flushing component and the vacuum adsorption component are started to flush the cut part and discharge the flushed liquid, blood and cut tissues.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (8)
1. Surgical cutter, including cutting assembly (1), cutting assembly (1) include outer tube (11) and cover locate inner tube (12) in outer tube (11), the front end of cutting assembly (1) is provided with cutting knife (13), its characterized in that, surgical cutter still includes:
-a handle trigger assembly (2), the handle trigger assembly (2) being connected to the cutting assembly (1), the handle trigger assembly (2) being configured to drive the inner tube (12) to reciprocate axially relative to the outer tube (11); and
-a rotating assembly (3), the rotating assembly (3) being connected to the cutting assembly (1), the rotating assembly (3) being configured to drive the inner tube (12) and the outer tube (11) to rotate synchronously;
the front end side surface of the outer tube (11) and the front end side surface of the inner tube (12) are respectively provided with a notch in a perforating mode, and the cutter (13) is arranged on the notch of the inner tube (12);
the rotating assembly (3) comprises:
the impeller (31) is sleeved outside the outer tube (11) and rotates synchronously with the outer tube (11); and
-a connecting pin (32), the connecting pin (32) connecting the outer tube (11) and the inner tube (12), and the inner tube (12) being axially slidable with respect to the connecting pin (32) itself;
the inner tube (12) is provided with an elongated hole (121) extending along the axial direction, and the connecting pin (32) extends into the elongated hole (121) and can slide along the elongated hole (121).
2. Surgical cutter according to claim 1, characterized in that the handle trigger assembly (2) comprises:
the tail end of the outer tube (11) is connected with the handle (21), and the tail end of the inner tube (12) extends out of the tail end of the outer tube (11) and into the handle (21); and
The trigger has a reset function and is respectively connected with the handle (21) and the inner tube (12) in a rotating way.
3. The surgical cutter of claim 2, wherein the handle trigger assembly (2) further comprises:
and one end of the reset elastic piece is connected with the handle (21), and the other end of the reset elastic piece is connected with the firing trigger.
4. The surgical cutter of claim 3, wherein the firing trigger comprises:
the upper end of the main body (22) stretches into the handle (21) and is rotatably connected with the handle (21), and the lower end of the main body (22) stretches out of the handle (21);
a slider (23), wherein the slider (23) is positioned in the handle (21) and can slide along the axial direction of the inner tube (12), and the slider (23) is connected with the reset elastic piece; and
And one end of the connecting rod (25) is rotationally connected with the sliding block (23), and the other end of the connecting rod (25) is rotationally connected with the main body (22).
5. Surgical cutter according to claim 4, characterized in that the inner wall of the handle (21) is provided with a sliding groove extending in the axial direction of the inner tube (12), in which sliding groove the slider (23) is slidingly arranged.
6. The surgical cutter of any one of claims 1-5, wherein the surgical cutter further comprises:
a flushing assembly in communication with the inner tube (12).
7. Surgical cutter according to claim 6, characterized in that a sealing ring (14) is arranged between the inner tube (12) and the outer tube (11).
8. The surgical cutter of any one of claims 1-5, wherein the surgical cutter further comprises:
and the vacuum adsorption assembly is communicated with the tail end of the inner tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079757.7A CN109770999B (en) | 2019-01-28 | 2019-01-28 | Surgical cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910079757.7A CN109770999B (en) | 2019-01-28 | 2019-01-28 | Surgical cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109770999A CN109770999A (en) | 2019-05-21 |
| CN109770999B true CN109770999B (en) | 2024-04-16 |
Family
ID=66501381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910079757.7A Active CN109770999B (en) | 2019-01-28 | 2019-01-28 | Surgical cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109770999B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115040201B (en) * | 2022-06-02 | 2023-08-18 | 以诺康医疗科技（苏州）有限公司 | Scissor type ultrasonic surgical instrument |
| CN116269532B (en) * | 2023-05-23 | 2023-08-18 | 武汉金柏威光电技术有限公司 | Quick-cutting mammary gland biopsy excision blood coagulation device |
| CN116725628A (en) * | 2023-07-06 | 2023-09-12 | 上海圣哲医疗科技有限公司 | Double trigger form-fitting laparoscopic surgical instrument |
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| CN208339569U (en) * | 2017-08-08 | 2019-01-08 | 湖南瀚德微创医疗科技有限公司 | A kind of ultrasonic surgical blade handle |
| CN107582125A (en) * | 2017-09-29 | 2018-01-16 | 刘雯雯 | A kind of operation cutter |
| CN208348248U (en) * | 2018-06-15 | 2019-01-08 | 西安庆安航空试验设备有限责任公司 | A kind of self-locking pin shaft |
| CN109009419A (en) * | 2018-06-28 | 2018-12-18 | 南京首量医疗科技有限公司 | A kind of electrosurgical pole |
| CN209770493U (en) * | 2019-01-28 | 2019-12-13 | 逸思（苏州）医疗科技有限公司 | Surgical cutter |
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| CN109770999A (en) | 2019-05-21 |
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