CN109907788B - High-capacity cutting mechanism of surgical circular anastomat - Google Patents
High-capacity cutting mechanism of surgical circular anastomat Download PDFInfo
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- CN109907788B CN109907788B CN201711326427.0A CN201711326427A CN109907788B CN 109907788 B CN109907788 B CN 109907788B CN 201711326427 A CN201711326427 A CN 201711326427A CN 109907788 B CN109907788 B CN 109907788B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000002679 ablation Methods 0.000 claims 6
- 238000001356 surgical procedure Methods 0.000 claims 3
- 210000001035 gastrointestinal tract Anatomy 0.000 abstract description 10
- 210000000436 anus Anatomy 0.000 abstract description 6
- 230000001976 improved effect Effects 0.000 abstract description 6
- 230000008093 supporting effect Effects 0.000 description 19
- 206010028980 Neoplasm Diseases 0.000 description 10
- 230000007547 defect Effects 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 7
- 230000036541 health Effects 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 208000014617 hemorrhoid Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000000461 Esophageal Neoplasms Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 208000005718 Stomach Neoplasms Diseases 0.000 description 1
- 241001227561 Valgus Species 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 201000004101 esophageal cancer Diseases 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 206010017758 gastric cancer Diseases 0.000 description 1
- 210000000936 intestine Anatomy 0.000 description 1
- 201000007270 liver cancer Diseases 0.000 description 1
- 208000014018 liver neoplasm Diseases 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 208000026721 nail disease Diseases 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 201000011549 stomach cancer Diseases 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model provides a high-capacity excision mechanism of a surgical circular anastomat, which comprises a nail propping seat assembly and a nail bin assembly, wherein the nail propping seat assembly mainly comprises a nail propping seat, a cap, a connecting rod and a knife washer, the nail bin assembly mainly comprises a nail bin, a nail bin sleeve, a push plate and a cutting knife, the cutting knife and the push plate are integrally formed, the nail propping seat assembly and the nail bin assembly are connected through the connecting rod, the nail propping seat assembly and the nail bin assembly can move back and forth or up and down, in clinical operation, the anus or the gastrointestinal tract of a human body can be smoothly accessed and accessed, the instrument can be conveniently taken out after the operation is finished, meanwhile, the outward turning design of the cutting knife is adopted, the inner wall of the push plate is in a U-shaped or trapezoid design, the accommodating space of tissues is greatly increased, the clinical operation needs are met, the operation safety is ensured, the design of a large-opening observation hole is greatly improved, the operation view of doctors is facilitated, the operation safety of the operation is greatly improved, and the life safety of patients is ensured.
Description
Technical Field
The utility model relates to a medical instrument for surgical operation, in particular to a large-capacity excision mechanism of a surgical circular anastomat, and belongs to the technical field of medical instruments.
Background
The circular anastomat mainly comprises an anorectal (hemorrhoid) anastomat and a tubular digestive tract anastomat, wherein the anorectal (hemorrhoid) anastomat is suitable for mucosa resection on a dentate line, and the tubular digestive tract anastomat is suitable for end-to-end, end-to-side and side-to-side anastomosis of the digestive tract in digestive tract reconstruction operations such as esophagus, stomach, intestine and the like. In the existing circular anastomat, according to different diameters of anus or gastrointestinal tract of human body, circular anastomat with different outer diameters is designed, the circular anastomat can smoothly enter and exit anus or gastrointestinal tract of human body, the entry of instruments is convenient, the removal of instruments is convenient after the operation is finished, but the existing circular anastomat ignores the inner diameter requirement of the circular anastomat, in clinical operation, lesion tissues of a patient tend to be very large, tissues needing to be excised are very large, in tumor excision operation of a plurality of tumor patients, doctors aim to prevent metastasis and diffusion of tumor cells, in order to thoroughly and effectively excise the lesion tissues, doctors can also enlarge the excision range of tissues around tumors, the existing circular anastomat can only excise small tissues, in clinical operation, the existing circular anastomat can not effectively and thoroughly excise the lesion tissues, can not meet the excision requirement of doctors, in operation, doctors often need to excise and suture secondarily, in benign tumor excision, although doctors can excise secondarily, the burden of patients is greatly increased, in addition, the workload of the patients is greatly increased, the risk of the patients is greatly increased, in tumor excision operation, the clinical operation has great difficulty, and the clinical operation has great serious clinical difficulty; on the other hand, cancer incidence and mortality rate in China have been rising, and have become main causes of death since 2010, and have become a main public health problem in China. The most common 4 cancers in China are lung cancer, gastric cancer, liver cancer and esophagus cancer, the cancers account for 57% of the diagnosis of the cancers in China, and the treatment of patients with the tumors all needs a circular anastomat.
It is apparent that the existing circular anastomat has the defects and drawbacks, so that the excision mechanism of the existing circular anastomat needs to be further improved based on the analysis, and it is apparent from the above that it is necessary to design a large-capacity excision mechanism of the surgical circular anastomat, which can smoothly enter and exit the anus or the gastrointestinal tract of a human body, is convenient for the entrance of the instrument and the extraction of the instrument after the operation is completed, has a large-capacity excision mechanism, and simultaneously needs to improve the operation field of doctors so as to solve the defects and drawbacks of the existing circular anastomat and ensure the life health and safety of people, so that it is necessary to provide a large-capacity excision mechanism of the surgical circular anastomat so as to solve the problems.
Disclosure of Invention
The utility model aims to provide a large-capacity excision mechanism of a surgical circular anastomat, which is designed in clinical operation to smoothly enter and exit anus or gastrointestinal tract of a human body, is convenient for the entry of instruments and the taking out of the instruments after the operation is finished, and has the large-capacity excision mechanism, and meanwhile, the operation field of doctors is improved, so that the defects and the defects of the conventional circular anastomat are overcome, and the life health safety of people is ensured.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the high-capacity cutting mechanism of the surgical circular anastomat comprises a nail supporting seat component and a nail bin component, wherein in clinical operation, the nail supporting seat component and the nail bin component are matched to complete cutting and stitching of operation, the nail supporting seat component mainly comprises a nail supporting seat, a cover cap, a connecting rod and a knife pad ring, in the assembly process, the connecting rod is fixedly connected with the nail supporting seat, the cover cap is fixedly assembled with the nail supporting seat, a first groove for stitching nail deformation is designed on the surface of the nail supporting seat, a connecting hole connected with the connecting rod is designed in the middle of the nail supporting seat, and then the knife pad ring is arranged in a second groove of the nail supporting seat; the utility model provides a nail seat assembly, including nail seat, cutter, backing knife circle design has the backing plate that is used for the cutting, designs simultaneously and supports the buckle that the nail seat is fixed, supports the inboard design of nail seat and has the second recess of being connected with the backing knife circle, and the nail seat assembly mainly includes nail storehouse, nail storehouse cover, push away the piece, cutting knife adopts integrated into one piece with the push away the piece in the assembly process, then in loading into the nail storehouse with the piece front end, the nail storehouse is fixed through the buckle connection of design with the nail storehouse cover, the cutting knife adopts the valgus design, is connected with the push away the piece inner wall, the push away the piece inner wall adopts U type or trapezoidal design, the push away the piece design has the sliding tray, can move smoothly with the supporting rib of nail storehouse cover, push away the big opening that nail seat assembly and nail storehouse cover design have the enlarged doctor's operation field of vision, support nail seat assembly and nail storehouse subassembly through connecting rod and connection, support nail seat assembly and nail storehouse subassembly can back and forth or reciprocate.
In the above technical scheme, the surface of the nail supporting seat is designed with a first groove for the deformation of the stitching nail, the cross section of the first groove is designed into a semicircle or ellipse, the depth of the first groove is controlled between 0.2 mm and 1.5 mm, the longitudinal section of the first groove is designed into a trapezoid, the width of the bottom of the longitudinal section of the first groove is controlled between 0.1 mm and 0.8 mm, and the width of the upper end of the longitudinal section of the first groove is controlled between 0.2 mm and 1.5 mm.
In the technical scheme, the cutter backing ring is designed with a backing plate for cutting, and the thickness of the backing plate is controlled between 0.1 mm and 2 mm.
In the above technical scheme, the knife washer is designed with a buckle or a clamping ring fixed with the nail supporting seat, and the inner side of the nail supporting seat is designed with a second groove connected with the knife washer.
In the above technical scheme, the cutter adopts an everting design, one or more round, semicircular or other shape rotation preventing mechanisms are designed at the everting edge or inside, and the cutter and the pushing piece adopt an integrated design.
In the above technical scheme, the inner wall of the push plate adopts a U-shaped or trapezoid design.
In the technical scheme, the push plate is provided with the sliding groove, and can smoothly move with the supporting rib of the nail bin sleeve.
In the technical scheme, the push plate and the nail bin sleeve are designed with large-opening observation holes for enlarging the surgical field of a doctor, the number of the observation holes is not less than 2, the width of the observation holes of the nail bin sleeve is controlled to be 8-33 mm in diameter, the length of the observation holes is controlled to be 20-55 mm, and the observation holes of the push plate are not larger than the observation holes of the nail bin sleeve.
In the technical scheme, the reinforcing ribs are uniformly arranged on the inner wall of the nail bin sleeve.
In the above technical scheme, the nail supporting seat assembly at least comprises a nail supporting seat, a cap, a connecting rod and a cutter washer; the nail bin assembly mainly comprises a nail bin, a nail bin sleeve, a pushing piece and a cutting knife, wherein the nail base assembly is connected with the nail bin assembly through a connecting rod, and the nail base assembly and the nail bin assembly can move back and forth or up and down.
The utility model has the positive effects that: after the large-capacity excision mechanism of the surgical circular anastomat is adopted, the anus or the gastrointestinal tract of a human body can be smoothly moved in and out in clinical operation, the instrument can be conveniently moved in and out after the operation is finished, meanwhile, the outward turning design of the cutter is adopted, the inner wall of the push piece adopts a U-shaped or trapezoid design, the accommodating space of tissues is greatly increased, the defects and the defects of the traditional circular anastomat are overcome, and the life health safety of people is ensured; meanwhile, due to the design of the large-opening observation holes of the push plate and the nail bin sleeve, the operation field of doctors is greatly improved, operation is convenient, operation safety is greatly improved, and life safety of patients is guaranteed.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings.
Fig. 1 is an exploded view of the present utility model.
FIG. 2 is a schematic view of the nail holder assembly of the present utility model.
FIG. 3 is a schematic view of a staple cartridge assembly of the present utility model.
Fig. 4 is a schematic view of the assembly of the present utility model.
Fig. 5 is a schematic view of the nail holder of the present utility model.
Fig. 6 is a schematic view of a first recess of the nail holder according to the present utility model.
Fig. 7 is a schematic view of the knife washer of the present utility model.
Fig. 8 is an assembly schematic diagram of the nail supporting seat and the knife pad ring of the utility model.
FIG. 9 is a schematic view of the assembly of the cutting blade, staple cartridge and pusher blade of the present utility model.
Fig. 10 is a schematic view of a large opening view of a pusher plate of the present utility model.
Fig. 11 is a schematic view of a pusher slide groove of the present utility model.
FIG. 12 is a schematic view of a wide open view of the cartridge sleeve of the present utility model.
FIG. 13 is a schematic view of the internal structure of the cartridge housing of the present utility model.
Fig. 14 is a schematic view of a pusher of the present utility model.
Fig. 15 is a schematic view of the everting design of the cutter of the present utility model.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings and examples, but these embodiments are not limiting, and variations of structures or functions made by those skilled in the art according to these embodiments are included in the scope of the present utility model.
Referring to fig. 1, 4, 5, 8, 13 and 14, the high-capacity excision mechanism of the surgical circular anastomat comprises a nail seat assembly 100 and a nail bin assembly 200, wherein in clinical operation, the nail seat assembly 100 and the nail bin assembly 200 are matched to finish excision and suturing of the operation, the nail seat assembly 100 mainly comprises a nail seat 2, a cover cap 1, a connecting rod 6 and a knife washer 3, the connecting rod 6 is fixedly connected with the nail seat 2, the cover cap 1 is assembled and fixed with the nail seat 2, a first groove E for suturing deformation is designed on the surface of the nail seat 2, a connecting hole B connected with the connecting rod 6 is designed in the middle of the nail seat 2, and then the knife washer 3 is arranged in a second groove C of the nail seat 2; the knife washer 3 is designed with a base plate D for cutting, meanwhile, a buckle N fixed with the knife washer 2 is designed on the inner side of the knife washer 2, a second groove C connected with the knife washer 3 is designed on the inner side of the knife washer 2, the knife cartridge assembly 200 mainly comprises a knife cartridge 4, a knife cartridge sleeve 7, a push plate 8 and a cutting knife 5, in the assembling process, the cutting knife 5 and the knife cartridge 8 are integrally formed, then a piece F at the front end of the knife cartridge 8 is arranged in the knife cartridge 4, the knife cartridge 4 and the knife cartridge sleeve 7 are connected and fixed through the designed buckle H, the knife cartridge 5 adopts an eversion design and is connected with the inner wall of the knife cartridge 8, the inner wall of the knife cartridge 8 adopts a U-shaped or trapezoid design, the knife cartridge 8 is designed with a sliding groove J, the knife cartridge 8 and the knife cartridge sleeve 7 are designed with a large opening L (M) for expanding the surgical field of a doctor, the knife cartridge assembly 100 and the knife cartridge assembly 200 are connected through a connecting rod 6, and the knife cartridge assembly 100 and the knife cartridge assembly 200 can move back and forth or up and down.
Referring to fig. 5 and 6, a first groove E for staple deformation is designed on the surface of the staple holder 2, the cross section of the first groove E is designed to be semicircular or elliptical, the depth Q of the first groove E is controlled to be between 0.2 mm and 1.5 mm, the longitudinal section of the first groove E is designed to be trapezoid, the width W of the bottom of the longitudinal section of the first groove E is controlled to be between 0.1 mm and 0.8 mm, and the width Z of the upper end of the longitudinal section of the first groove E is controlled to be between 0.2 mm and 1.5 mm.
Referring to fig. 8, the cutter-backing ring 3 is designed with a backing plate D for cutting, and the thickness of the backing plate D is controlled to be between 0.1 mm and 2 mm.
Referring to fig. 7 and 8, the knife washer 3 is designed with a buckle or a collar N fixed with the nail supporting seat 2, and a second groove C connected with the knife washer is designed on the inner side of the nail supporting seat 2.
Referring to fig. 9 and 15, the cutter 5 is designed with an everting design 55, one or more circular, semicircular or other shape rotation preventing mechanisms 66 are designed on the everting edge or inside, and the cutter 5 and the push plate 8 are designed with an integrated design.
Referring to fig. 9, the inner wall of the push plate 8 is of a U-shaped or trapezoid design.
Referring to fig. 11, the push plate 8 is designed with slide grooves 11, and the number of slide grooves 11 is not less than 2.
Referring to fig. 10, the push plate 8 is designed with a large open viewing aperture 22 that enlarges the surgical field of view of the surgeon, and the viewing aperture 22 of the push plate 8 must not be larger than the viewing aperture 33 of the cartridge sleeve 7.
Referring to fig. 12, the cartridge case 7 is designed with large-opening viewing holes 33 for enlarging the surgical field of a doctor, the number of the viewing holes 33 is not less than 2, the width S of the viewing holes 33 of the cartridge case 7 is controlled to be 8 mm to 33 mm in diameter, the length R of the viewing holes 33 is controlled to be 20 mm to 55 mm, and the size of the viewing holes 33 of the cartridge case 7 must not be smaller than the size of the viewing holes 22 of the push plate 8.
Referring to fig. 13, reinforcing ribs 44 are uniformly arranged on the inner wall of the cartridge sleeve 7.
Through clinical verification, the utility model has ideal operation effect, effectively avoids the defects of the prior art, meets the expected design requirement, and has higher industrial utilization value and good social benefit.
The high-capacity cutting mechanism of the surgical circular anastomat provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods and concepts of the utility model and not limiting of the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that modifications and variations can be made to the present utility model without departing from the principles of the utility model, and such modifications and variations should also be considered as being within the scope of the utility model.
Claims (7)
1. High-capacity excision mechanism of circular anastomat of surgery, its characterized in that: the surgical stapling device comprises a stapling seat assembly (100) and a stapling bin assembly (200), wherein in clinical surgery, the stapling seat assembly (100) and the stapling bin assembly (200) are matched to complete excision and stapling of surgery, the stapling seat assembly (100) mainly comprises a stapling seat (2), a cap (1), a connecting rod (6) and a cutter-washer (3), the connecting rod (6) is fixedly connected with the stapling seat (2), the cap (1) is assembled and fixed with the stapling seat (2), a groove (E) for stapling deformation is designed on the surface of the stapling seat (2), a connecting hole (B) connected with the connecting rod (6) is designed in the middle of the stapling seat (2), and then the cutter-washer (3) is arranged in the groove (C) of the stapling seat (2); the nail bin assembly (200) mainly comprises a nail bin (4), a nail bin sleeve (7), a push piece (8) and a cutting knife (5), wherein in the assembling process, the cutting knife (5) and the push piece (8) are integrally formed, then a piece (F) at the front end of the push piece (8) is arranged in the nail bin (4), the nail bin (4) is fixedly connected with the nail bin sleeve (7) through a designed buckle (H), the nail abutting seat assembly (100) is connected with the nail bin assembly (200) through a connecting rod (6), and the nail abutting seat assembly (100) and the nail bin assembly (200) can move forwards and backwards or upwards and downwards; the surface of the nail propping seat (2) is designed with a groove (E) for the deformation of a stitching nail, the cross section of the groove (E) is designed into a semicircle or ellipse, the depth (Q) of the groove (E) is controlled between 0.2 mm and 1.5 mm, the longitudinal section of the groove (E) is designed into a trapezoid, the width (W) of the bottom of the longitudinal section of the groove (E) is controlled between 0.1 mm and 0.8 mm, and the width (Z) of the upper end of the longitudinal section of the groove (E) is controlled between 0.2 mm and 1.5 mm; the cutter-washer (3) is designed with a buckle or a clamping ring (N) fixed with the nail-supporting seat (2), and an inner groove (C) connected with the cutter-washer (3) is designed at the inner side of the nail-supporting seat (2); the cutter (5) adopts an everting design (55), one or more round, semicircular or other shape rotation preventing mechanisms (66) are designed at the edge or inside of the everting design (55), and the cutter (5) and the pushing piece (8) adopt an integrated design.
2. The high volume ablation mechanism of a surgical circular stapler according to claim 1, wherein: the knife-washer (3) is designed with a base plate (D) for cutting, and the thickness of the base plate (D) is controlled between 0.1 mm and 2 mm.
3. The high volume ablation mechanism of a surgical circular stapler according to claim 1, wherein: the inner wall of the pushing piece (8) adopts a U-shaped or trapezoid design.
4. The high volume ablation mechanism of a surgical circular stapler according to claim 1, wherein: the pushing piece (8) is provided with sliding grooves (11), and the number of the sliding grooves (11) is not less than 2.
5. The high volume ablation mechanism of a surgical circular stapler according to claim 1, wherein: the push plate (8) is designed with a large-opening observation hole (22) for expanding the surgical field of doctors, and the observation hole (22) of the push plate (8) is not larger than the observation hole (33) of the nail bin sleeve (7).
6. The high volume ablation mechanism of a surgical circular stapler according to claim 1, wherein: the nail bin sleeve (7) is designed with large-opening observation holes (33) for expanding the surgical field of doctors, the number of the observation holes (33) is not less than 2, the width (S) of the observation holes (33) of the nail bin sleeve (7) is controlled to be 8-33 mm in diameter, the length (R) of the observation holes (33) is controlled to be 20-55 mm, and the size of the observation holes (33) of the nail bin sleeve (7) is not less than the size of the observation holes (22) of the push plate (8).
7. The high volume ablation mechanism of a surgical circular stapler according to claim 1, wherein: reinforcing ribs (44) are uniformly arranged on the inner wall of the nail bin sleeve (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326427.0A CN109907788B (en) | 2017-12-13 | 2017-12-13 | High-capacity cutting mechanism of surgical circular anastomat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711326427.0A CN109907788B (en) | 2017-12-13 | 2017-12-13 | High-capacity cutting mechanism of surgical circular anastomat |
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| CN109907788A CN109907788A (en) | 2019-06-21 |
| CN109907788B true CN109907788B (en) | 2024-01-23 |
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| CN201711326427.0A Active CN109907788B (en) | 2017-12-13 | 2017-12-13 | High-capacity cutting mechanism of surgical circular anastomat |
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| CN112451020B (en) * | 2020-11-30 | 2024-06-28 | 重庆德川医疗器械有限公司 | Endoscopic stapler with adjustable anastomosis mechanism |
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| CN109907788A (en) | 2019-06-21 |
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