CN212661858U - Bendable endoscopic linear cutting anastomat and assembly thereof - Google Patents
Bendable endoscopic linear cutting anastomat and assembly thereof Download PDFInfo
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- CN212661858U CN212661858U CN202020218794.XU CN202020218794U CN212661858U CN 212661858 U CN212661858 U CN 212661858U CN 202020218794 U CN202020218794 U CN 202020218794U CN 212661858 U CN212661858 U CN 212661858U
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Abstract
The utility model discloses a bendable endoscopic linear cutting anastomat and a component thereof, which comprises an anastomat jaw, a steering connecting block, a component inner core and a cutting knife component; the assembly inner core comprises an inner core shell and an inner core connecting block fixedly arranged in the inner core shell; the front end of the steering connecting block is hinged with the rear end of the jaw of the anastomat, a first vertical rotating shaft is formed at the hinged position, the rear end of the steering connecting block is hinged with the front end of the inner core connecting block, and a second vertical rotating shaft is formed at the hinged position; the cutting knife assembly penetrates through the inner core connecting block, the steering connecting block and the anastomat jaw and can slide back and forth. On the basis of the above-mentioned double-rotation axis (center), the utility model discloses still adopted the U-shaped left and right sides turning piece, it is through inner core connecting block steering control process of turning. The utility model can increase the radius of the bend and reduce the percussion force in the cutting and anastomosis process, so that the doctor has better operation hand feeling; meanwhile, a larger bending angle can be achieved, so that a doctor has a better operation space.
Description
Technical Field
The utility model relates to the field of medical equipment, especially relate to a straight line cutting anastomat under bendable mirror and subassembly thereof.
Background
Endoscopic staplers play the most critical role in surgery. Due to the limitation of the space in the abdominal cavity or the thoracic cavity, the traditional linear endoscope anastomat cannot completely and effectively reach the required operation position to clamp, cross and anastomose tissues, so that an elbow anastomat with a turnable anastomat jaw (comprising a nail box assembly and a nail pushing seat) is needed. Under the linear state, the elbow anastomat capable of being turned enters the thoracic cavity or the abdominal cavity through the puncture outfit, the jaw of the anastomat is controlled to be turned by a certain angle through the bending control mechanism on the handle outside the body, and a series of operations such as clamping, transverse cutting, anastomosis and the like are carried out on the operation part. After the operation is finished, the patient is changed into a linear state again and is withdrawn from the body.
When the endoscopic linear cutting anastomat and the components thereof are operated to perform an operation, the jaw of the anastomat in the components is controlled to rotate leftwards and rightwards by controlling the steering control structure on the endoscopic linear cutting anastomat, so that the body positions of different operation environments are completed. As shown in fig. 1, the laparoscopic linear cutting stapler assembly in the prior art includes a stapler jaw 1, an assembly inner core 2, and a steering link 3, wherein the stapler jaw 1 is rotatably connected to the assembly inner core 2 through an upper rotary head assembly 4, upper and lower connecting sheets 5, and is connected to a steering knob pin 41 of the upper rotary head assembly 4 through a head end hole 31 of the steering link 3, and the steering link 3 is pushed or pulled under the assistance of a hand to make the stapler jaw 1 at the front end of the assembly swing left and right around a rotating shaft to form left and right maximum 45 ° bending, as shown in fig. 2 and 3. In the structure, when the stapler is in a bending state, the percussion cutting anastomosis needs larger percussion force, the medical operation hand feeling is influenced, and the left-right swinging angle of the jaw of the stapler is limited, so that a series of operations such as partial operation clamping, transverse cutting and anastomosis can not reach an ideal operation position, and the stapler can not be suitable for medical treatment under more complex clinical conditions.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can reduce the percussion force of the identical in-process of cutting and can increase the bendable straight line cutting anastomat and subassembly under the chamber mirror of turning to make the doctor have better operation and feel and operating space.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a bendable endoscopic linear cutting anastomat assembly comprises an anastomat jaw, a steering connecting block, an assembly inner core and a cutting knife assembly; the assembly inner core comprises an inner core shell and an inner core connecting block fixedly arranged in the inner core shell; the front end of the steering connecting block is hinged with the rear end of the jaw of the anastomat, a first vertical rotating shaft is formed at the hinged position, the rear end of the steering connecting block is hinged with the front end of the inner core connecting block, and a second vertical rotating shaft is formed at the hinged position; the cutting knife assembly penetrates through the inner core connecting block, the steering connecting block and the anastomat jaw and can slide back and forth.
As a further improvement of the utility model, the utility model also comprises a left and a right bending sheets and a push-pull rod; the left and right bending pieces are U-shaped, the rear bending part of the left and right bending pieces is turned by the inner core connecting block, and two free ends of the front end of the left and right bending pieces penetrate through the turning connecting block from back to front and are fixedly connected with the rear end of the jaw of the anastomat; the left side or the right side of the left and right bending pieces is connected with the front end of the push-pull rod, and the stapler jaw can be driven to turn left and right around the first vertical rotating shaft and the second vertical rotating shaft under the push-pull action of the push-pull rod.
Furthermore, the anastomat jaw comprises a nail box assembly positioned at the upper part, a nail abutting seat connected with the nail box assembly and positioned at the lower part, and a nail abutting seat positioning piece positioned at the inner side of the rear part of the nail abutting seat; the free ends of the left and right bending pieces are fixedly connected between the nail abutting seat positioning piece and the rear part of the nail abutting seat through transverse connecting pins, and the cutting knife assembly penetrates through the nail abutting seat positioning piece.
Furthermore, the steering connecting block is connected with a positioning block connecting shaft arranged on the nail abutting seat positioning piece through a vertical positioning block connecting hole arranged at the front end; the steering connecting block is connected with an inner core connecting shaft arranged at the front end of the inner core connecting block through a vertical inner core connecting block positioning hole arranged at the rear end.
Further, the cutting knife assembly comprises a cutting knife assembly upper piece and a cutting knife assembly lower piece, wherein the cutting knife assembly upper piece and the cutting knife assembly lower piece respectively penetrate through the inner core connecting block, the steering connecting block and the upper portion and the lower portion of the nail seat positioning piece in sequence, and are connected into a whole at the front end.
Furthermore, the rear end of the inner core connecting block is provided with a U-shaped groove, and the inner sides of the bending parts of the left and right bending pieces are matched with the U-shaped groove.
Furthermore, a plurality of convex clamping steps are respectively arranged on the upper surface and the lower surface of the inner core connecting block, and accommodating spaces for the upper piece or the lower piece of the cutting knife assembly are respectively formed among the convex clamping steps; the inner core shell comprises an inner core upper cover and an inner core lower cover, and the inner core connecting block is connected with the inner core upper cover and the inner core lower cover through the clamping steps.
Furthermore, the left side surface and the right side surface of the steering connecting block are respectively provided with a left bending piece penetrating port and a right bending piece penetrating port, and the connecting end of the push-pull rod and the left bending piece and the connecting end of the push-pull rod are positioned at the rear ends of the left bending piece penetrating port and the right bending piece penetrating port; the anastomat assembly further comprises a push-pull block, the push-pull rod is arranged in a push-pull block hole formed in the rear portion of the push-pull block through a fixing boss arranged in the front portion of the push-pull rod, and the push-pull block is arranged in a fixing hole formed in the left side or the right side of the left and right bending piece through a push-pull block shaft arranged in the front portion of the push-pull rod.
Furthermore, the rear bending parts of the left and right bending pieces are replaced by flexible steel wire ropes, and the flexible steel wire ropes are pressed with the front parts of the left and right bending pieces through connecting rings; or the left and right turning pieces are completely replaced by flexible steel wire ropes.
The utility model also provides a can buckle and change straight line cutting anastomat under chamber mirror, including handle and connect the straight line cutting anastomat subassembly under the chamber mirror of can buckling of handle front end, can buckle and change straight line cutting anastomat subassembly under the chamber mirror and adopt foretell can buckle and change straight line cutting anastomat subassembly under the chamber mirror.
By adopting the technical scheme, the utility model discloses at least, following advantage has:
1. the utility model discloses a big cutting knife radius of turning can be realized to two rotation centers, has effectively reduced the power of having struck of use, makes the doctor obtain better operation and feels. In addition, the bending radius can be increased, and a larger bending angle can be achieved, so that a doctor has a better operation space, and the medical treatment device is suitable for medical treatment under more complex clinical conditions.
2. The utility model discloses a turn round piece about flexible passes through the switching-over, and the process of pulling is dragged in turn round about keeping throughout, avoids the arm of force of turn round in-process to reduce, and moment is stable to accomplish bigger turn round angle.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
FIG. 1 is a schematic diagram of an exploded view of a laparoscopic linear cutting stapler assembly of the prior art;
FIGS. 2 and 3 are schematic diagrams of the laparoscopic linear cutting stapler assembly of FIG. 1 bent to the right and left, respectively;
fig. 4 is a schematic view of an external structure of a bendable laparoscopic linear cutting stapler assembly according to an embodiment of the present invention;
fig. 5 is a schematic view of a bendable laparoscopic linear cutting stapler assembly in an embodiment of the present invention in a bent state;
fig. 6 is a schematic top view (inside visible) of a bendable laparoscopic linear cutting stapler assembly according to an embodiment of the present invention;
fig. 7 is a schematic view of a bendable endoscopic linear cutting stapler assembly according to an embodiment of the present invention;
fig. 8 is an exploded view of a bendable laparoscopic linear cutting stapler assembly according to an embodiment of the present invention;
fig. 9 is a schematic view of a partial explosion structure of a bendable laparoscopic linear cutting stapler assembly according to an embodiment of the present invention (dual center of rotation junction);
fig. 10 is a schematic view of an assembly structure of the cutting blade assembly and other components according to an embodiment of the present invention;
fig. 11 is a schematic view of a partial explosion structure (bending control portion) of a bendable laparoscopic linear cutting stapler assembly according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Aiming at the following problems in the prior art: when the stapler is in a bending state, the firing cutting anastomosis needs larger firing force, the medical operation hand feeling is influenced, and the left-right swinging angle of the jaw of the stapler is limited, so that a series of operations such as partial operation clamping, transverse cutting and anastomosis can not reach an ideal operation position, and the stapler can not be suitable for medical treatment under more complex clinical conditions. The applicant finds out through multiple experiments that the reason is that the single rotating center is arranged, and the cutting knife is bent along with the single rotating center in the bending process due to the fact that the single rotating center is arranged, the turning angle is too large, so that a small bending radius is formed in the bending process of the cutting knife, the triggering force in the cutting and anastomosis process is too large, the operation hand feeling of a doctor is affected, and the fault risk of the anastomat is increased. In addition, the applicant also finds that in the existing structure, the steering connecting rod is in rigid connection, the length of the force arm between the steering connecting rod and the rotating shaft is limited by space, so that the left-right swinging angle is limited, an ideal operation position cannot be reached in a series of operations such as partial operation clamping, transverse cutting and anastomosis, and the medical treatment under more complex clinical conditions cannot be suitable.
Based on the above findings, the applicant has made corresponding improvements to the turning part and the turning control part of the prior art, respectively.
For the convenience of explanation, the utility model discloses with anastomat jaw end definition for preceding, operator end be the back, the anastomat jaw direction of opening and shutting is from top to bottom, and the direction of turning of anastomat jaw is for controlling, and the restriction is not applied to in the setting of above-mentioned direction the utility model discloses.
As shown in fig. 4-7, the present embodiment provides a bendable laparoscopic linear cutting stapler assembly, which includes a stapler jaw 1, a steering connecting block 2, an assembly inner core 3, and a cutting knife assembly 4, wherein the assembly inner core 3 belongs to a fixed part of a housing, and includes an inner core housing and an inner core connecting block 31 fixedly installed in the inner core housing, the front end of the steering connecting block 2 is hinged to the rear end of the stapler jaw 1, the hinged portion forms a first vertical rotating shaft a, the rear end of the steering connecting block 2 is hinged to the front end of the inner core connecting block 31, and the hinged portion forms a second vertical rotating shaft B; the cutting knife assembly 4 penetrates through the inner core connecting block 31, the steering connecting block 2 and the anastomat jaw 1 and can slide back and forth.
Through the arrangement, when the stapler is bent, the jaw 1 of the stapler can rotate around the double rotation centers (the first vertical rotation axis A and the second vertical rotation axis B), so that the bending radius of a large cutting knife can be realized, the firing force in the use process is effectively reduced, and a doctor can obtain better operation hand feeling. In addition, the bending radius can be increased, and a larger bending angle can be achieved, so that a doctor has a better operation space, and the medical treatment device is suitable for medical treatment under more complex clinical conditions.
On the basis, in order to further solve the bending control problem, as shown in fig. 7-11, the bendable laparoscopic linear cutting stapler assembly of the present embodiment further includes a left and a right bending pieces 5 and a push-pull rod 6; specifically, as shown in fig. 7, 8, 9 and 11, the left and right bent pieces 5 have a U-shape, and the rear bent portions thereof are bent by the core connection block 31, and specifically, the rear end of the core connection block 31 may be provided with a U-shaped groove 313, and the inner sides of the bent portions of the left and right bent pieces 5 may be engaged with the U-shaped groove 313. Two free ends of the front end of the left and right bending pieces 5 penetrate through the steering connecting block 2 from back to front and then are fixedly connected with the rear end of the anastomat jaw 1, specifically, left and right bending piece penetrating openings can be respectively formed in the left and right side faces of the steering connecting block 2, and the connecting end of the push-pull rod 6 and the left and right bending pieces 5 is located at the rear end of the left and right bending piece penetrating openings. The left side or the right side of the left and right bending pieces 5 is connected with the front end of the push-pull rod 6, and the stapler jaw 1 can be driven to turn left and right around the first vertical rotating shaft A and the second vertical rotating shaft B under the push-pull action of the push-pull rod 6.
As shown in fig. 7, the turning control process is specifically implemented as follows: taking the push-pull rod 6 disposed on the right side of the left and right bending pieces 5 as an example, during operation, when the push-pull rod 6 is pushed by assistance, the push-pull rod 6 drives the right side of the left and right bending pieces 5 to move forward, thereby driving the left side of the left and right bending pieces 5 to move backward and driving the stapler jaw 1 connected to the front ends of the left and right bending pieces 5 to bend to the left around the two rotation centers of the steering connection block 2. On the contrary, when the pull rod 6 is pulled and pushed with assistance, the pull rod 6 drives the right sides of the left and right bending pieces 5 to move backwards, so as to drive the left sides of the left and right bending pieces 5 to move forwards and drive the anastomat jaw 1 connected with the front ends of the left and right bending pieces 5 to bend rightwards around the two rotation centers of the steering connection block 2. Of course, the above description is only an illustration of the push-pull bending working principle of the present invention, the push-pull rod 6 may also be installed on the left side of the left and right bending pieces 5, at this time, the stapler jaw 1 bends to the right side under the action of the pushing force, and bends to the left side under the action of the pulling force.
In the push-pull process, the push-pull rod 6 fixed on one side of the left and right bending pieces 5 applies pushing force or pulling force, so that the reduction of the force arm in the bending process is avoided, the moment is stable, and a larger bending angle can be realized.
As shown in fig. 8 and 9, in the connection relationship between the steering connection block 2 and the stapler jaw 1 and the core connection block 31, the following structure is preferred:
a vertical positioning block connecting hole 21 is formed in the front end of the steering connecting block 2, a positioning block connecting shaft 131 is arranged on a nail abutting seat positioning piece 13 of the anastomat jaw 1 (comprising a nail box assembly 11 positioned on the upper part, a nail abutting seat 12 connected with the nail box assembly and positioned on the lower part, and a nail abutting seat positioning piece 13 positioned on the inner side of the rear part 12 of the nail abutting seat), and the positioning block connecting hole 21 is connected with the positioning block connecting shaft 131 to form a first vertical rotating shaft A; a vertical inner core connecting block positioning hole 22 is formed in the rear end of the steering connecting block 2, an inner core connecting shaft 311 is arranged at the front end of the inner core connecting block 31, and the inner core connecting block positioning hole 22 is connected with the inner core connecting shaft 311 to form a second vertical rotating shaft B.
Of course, it can be understood that as long as the double rotation centers can be formed to realize a reasonable increased turning radius, the connection relationship of the double rotation centers of the present invention should not be limited by the above arrangement, such as the positions of the shafts and the holes can be exchanged or designed in a cross manner.
On the basis of the nail abutting seat positioning piece 13, the free ends of the left and right bent pieces 5 can be fixedly connected between the nail abutting seat positioning piece 13 and the rear part of the nail abutting seat 12 through the transverse connecting pin 14.
And as shown in fig. 8 and 10, the cutting knife assembly 4 comprises a cutting knife assembly upper blade 41 and a cutting knife assembly lower blade 42, and the cutting knife assembly upper blade 41 and the cutting knife assembly lower blade 42 respectively penetrate through the inner core connecting block 31, the steering connecting block 2 and the upper part and the lower part of the nail abutting seat positioning part 13 in sequence and are connected into a whole at the front end. Specifically, as shown in fig. 9, the upper surface and the lower surface of the core connecting block 31 are respectively provided with a plurality of protruding retaining steps 312, and an accommodating space for the upper blade 41 or the lower blade 42 of the cutting knife assembly is respectively formed between the plurality of protruding retaining steps 312; the core case includes a core upper cover 32 and a core lower cover 33, and the core connection block 31 may be connected to the core upper cover 32 and the core lower cover 33 by a catching step 312.
As shown in fig. 11, the push-pull rod 6 may be connected to the left and right bent pieces 5 through an intermediate connecting member, the intermediate connecting member is a push-pull block 7, the push-pull rod 6 is inserted into a push-pull block hole 71 provided at the rear of the push-pull block 7 through a fixing boss 61 provided at the front thereof, and the push-pull block 7 is inserted into a fixing hole 51 provided at the left or right side of the left and right bent pieces 5 through a push-pull block shaft 72 provided at the front thereof.
The left and right bending pieces 5 in the bending control part can adopt other flexible connection modes besides the sheet form, for example, the left and right bending pieces 5 can be completely replaced by flexible steel wire ropes. Alternatively, as shown in fig. 11, the rear bent portions 52 of the left and right bent pieces 5 are replaced with flexible wire ropes, and the flexible wire ropes are press-fitted to the front portions of the left and right bent pieces through coupling rings 53.
The embodiment also provides a bendable endoscopic linear cutting anastomat which comprises a handle and an endoscopic linear cutting anastomat assembly connected to the front end of the handle, wherein the endoscopic linear cutting anastomat assembly preferably adopts the endoscopic linear cutting anastomat assembly.
During operation, the bendable endoscopic linear cutting anastomat enters a thoracic cavity or an abdominal cavity through the puncture outfit in a linear state, the bending mechanism on the handle outside the body controls the jaw of the anastomat to bend for a certain angle, and a series of operations such as clamping, transverse cutting, anastomosis and the like are carried out on an operation part; the flexible left and right turning pieces are adopted for reversing, so that the left and right turning is always kept as a pulling process, the moment arm is prevented from being reduced in the turning process, and the moment is stable; the above arrangement also has a large turning angle, so that a doctor has a better operating space and can be suitable for medical treatment under more complex clinical conditions.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.
Claims (10)
1. A bendable endoscopic linear cutting anastomat assembly is characterized by comprising an anastomat jaw, a steering connecting block, an assembly inner core and a cutting knife assembly; the assembly inner core comprises an inner core shell and an inner core connecting block fixedly arranged in the inner core shell;
the front end of the steering connecting block is hinged with the rear end of the jaw of the anastomat, a first vertical rotating shaft is formed at the hinged position, the rear end of the steering connecting block is hinged with the front end of the inner core connecting block, and a second vertical rotating shaft is formed at the hinged position; the cutting knife assembly penetrates through the inner core connecting block, the steering connecting block and the anastomat jaw and can slide back and forth.
2. The assembly of claim 1, further comprising left and right bending blades and a push-pull rod;
the left and right bending pieces are U-shaped, the rear bending part of the left and right bending pieces is turned by the inner core connecting block, and two free ends of the front end of the left and right bending pieces penetrate through the turning connecting block from back to front and are fixedly connected with the rear end of the jaw of the anastomat; the left side or the right side of the left and right bending pieces is connected with the front end of the push-pull rod, and the stapler jaw can be driven to turn left and right around the first vertical rotating shaft and the second vertical rotating shaft under the push-pull action of the push-pull rod.
3. The assembly of claim 2, wherein the stapler jaws comprise a staple cartridge assembly at an upper portion and a staple holder connected to the staple cartridge assembly at a lower portion, and further comprising a staple holder positioning member at an inner side of a rear portion of the staple holder;
the free ends of the left and right bending pieces are fixedly connected between the nail abutting seat positioning piece and the rear part of the nail abutting seat through transverse connecting pins, and the cutting knife assembly penetrates through the nail abutting seat positioning piece.
4. The bendable laparoscopic linear cutting stapler assembly according to claim 3, wherein the steering connecting block is connected with a positioning block connecting shaft arranged on the nail abutting seat positioning piece through a vertical positioning block connecting hole arranged at the front end; the steering connecting block is connected with an inner core connecting shaft arranged at the front end of the inner core connecting block through a vertical inner core connecting block positioning hole arranged at the rear end.
5. The assembly of claim 3, wherein the cutter assembly comprises a cutter assembly upper blade and a cutter assembly lower blade, and the cutter assembly upper blade and the cutter assembly lower blade respectively pass through the upper part and the lower part of the inner core connecting block, the steering connecting block and the nail seat positioning piece in sequence and are connected into a whole at the front end.
6. The bendable laparoscopic linear cutting stapler assembly according to claim 2, wherein the rear end of the inner core connecting block is provided with a U-shaped groove, and the inner sides of the bent portions of the left and right bent pieces are engaged with the U-shaped groove.
7. The bendable endoscopic linear cutting stapler assembly according to claim 5, wherein a plurality of protruding clamping steps are respectively arranged on the upper surface and the lower surface of the inner core connecting block, and an accommodating space for an upper blade of the cutting knife assembly or a lower blade of the cutting knife assembly is respectively formed between the protruding clamping steps; the inner core shell comprises an inner core upper cover and an inner core lower cover, and the inner core connecting block is connected with the inner core upper cover and the inner core lower cover through the clamping steps.
8. The bendable laparoscopic linear cutting stapler assembly according to claim 2, wherein the left and right lateral faces of the steering connecting block are respectively provided with left and right bending piece through openings, and the connecting ends of the push-pull rod and the left and right bending pieces are located at the rear ends of the left and right bending piece through openings;
the anastomat assembly further comprises a push-pull block, the push-pull rod is arranged in a push-pull block hole formed in the rear portion of the push-pull block through a fixing boss arranged in the front portion of the push-pull rod, and the push-pull block is arranged in a fixing hole formed in the left side or the right side of the left and right bending piece through a push-pull block shaft arranged in the front portion of the push-pull rod.
9. The bendable laparoscopic linear cutting stapler assembly according to claim 2, wherein the rear bent portions of the left and right bent pieces are replaced with flexible wire ropes which are press-fitted with the front portions of the left and right bent pieces through connection rings;
or the left and right turning pieces are completely replaced by flexible steel wire ropes.
10. A bendable laparoscopic linear cutting stapler comprising a handle and a bendable laparoscopic linear cutting stapler assembly connected to the front end of the handle, wherein the bendable laparoscopic linear cutting stapler assembly employs the bendable laparoscopic linear cutting stapler assembly as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218794.XU CN212661858U (en) | 2020-02-27 | 2020-02-27 | Bendable endoscopic linear cutting anastomat and assembly thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020218794.XU CN212661858U (en) | 2020-02-27 | 2020-02-27 | Bendable endoscopic linear cutting anastomat and assembly thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169634A1 (en) * | 2020-02-27 | 2021-09-02 | 北京派尔特医疗科技股份有限公司 | Bendable endoscopic linear cutter anastomat and assembly thereof |
| CN114587467A (en) * | 2022-03-21 | 2022-06-07 | 宝玛医疗科技(无锡)有限公司 | Anastomat for protecting cutting knife from bending |
-
2020
- 2020-02-27 CN CN202020218794.XU patent/CN212661858U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021169634A1 (en) * | 2020-02-27 | 2021-09-02 | 北京派尔特医疗科技股份有限公司 | Bendable endoscopic linear cutter anastomat and assembly thereof |
| CN114587467A (en) * | 2022-03-21 | 2022-06-07 | 宝玛医疗科技(无锡)有限公司 | Anastomat for protecting cutting knife from bending |
| CN114587467B (en) * | 2022-03-21 | 2023-10-27 | 宝玛医疗科技(无锡)有限公司 | Anastomat for protecting cutter from bending |
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