CN214484556U - Round endoscope anastomat operated by single hand - Google Patents
Round endoscope anastomat operated by single hand Download PDFInfo
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- CN214484556U CN214484556U CN202023194702.8U CN202023194702U CN214484556U CN 214484556 U CN214484556 U CN 214484556U CN 202023194702 U CN202023194702 U CN 202023194702U CN 214484556 U CN214484556 U CN 214484556U
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Abstract
The utility model discloses a circular chamber mirror anastomat of one-hand operation. According to the anastomat, the handle shell is further provided with the extending device and the returning device, and the returning device is arranged close to the extending device and is convenient for one-hand operation of the extending device and the returning device; the returning device comprises a gear and a rack which are connected in a meshed mode, the rack is located at the rear end of the sliding block and is arranged in the handle shell, the gear is installed on the handle shell, an opening is formed in the handle shell, and the gear penetrates through the opening to be meshed with the rack. The utility model is simple and convenient to operate, the push rod is operated to drive the push rod to move forwards and extend out of the annular cutter; the rack is driven to move backwards to return to the annular cutter through the meshing of the gear and the rack; the endoscope anastomat can be operated by the same hand, so that a clinical operator can operate the endoscope anastomat by one hand conveniently and exert force conveniently; in addition, the supporting block supports the bent push rod, so that the minimum deformation of the bent push rod in the bent sleeve can be ensured, and the anastomosis performance of the anastomat is further ensured.
Description
Technical Field
The utility model belongs to the technical field of chamber mirror anastomat technique and specifically relates to a circular chamber mirror anastomat of one-hand operation.
Background
The endoscope cutting anastomat is widely applied to operations of lung, stomach, colorectal and the like, and when the current endoscope cutting anastomat is used in clinical surgical operations, a closed jaw enters an abdominal cavity through a puncture outfit and needs to be opened again so as to clamp and close tissues for osculating. It is often necessary to hold the instrument in one hand and pull back the reset handle in the other hand, since the clinical operator must hold the instrument in one hand and the other hand must also hold other auxiliary instruments. Therefore, the operation of opening the jaws is troublesome.
In addition, in the existing laparoscopic anastomat, the bent push rod is arranged in the center of the inner cavity of the bent sleeve, the deformation amount of the bent push rod in the inner cavity of the bent sleeve is large, the nail head retracts when the bent push rod is inosculated due to the large deformation amount, and the inosculating performance of a product is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcomes the defects in the prior art and provides a circular endoscope anastomat operated by one hand.
The utility model provides a technical scheme that its technical problem adopted is: a circular endoscope anastomat operated by one hand is provided with a bent sleeve, the front end of the bent sleeve is provided with a nail bin box, an annular knife is arranged in the nail bin box, the rear end of the bent sleeve is provided with a handle shell convenient to hold by hand, a bent push rod is arranged in the handle shell, the front end of the bent push rod extends out of the handle shell and the bent sleeve and then is fixedly connected with the annular knife, the rear end of the bent push rod is fixedly connected with a sliding block, the sliding block moves forwards to extend out of the annular knife, and the sliding block moves backwards to return to the annular knife; the rear end cover of the handle shell is provided with an end cover;
the handle shell is also provided with an extending device and a returning device, and the returning device is arranged close to the extending device and is convenient for the single-hand operation of the extending device and the returning device; the returning device comprises a gear and a rack which are connected in a meshed mode, the rack is located at the rear end of the sliding block and is arranged in the handle shell, the gear is installed on the handle shell, an opening is formed in the handle shell, and the gear penetrates through the opening to be meshed with the rack.
Furthermore, the extending device comprises hand push rods arranged on two sides of the handle shell, tubular push rod pins penetrating through the handle shell are arranged on the hand push rods, push rod pin inclined planes are arranged at the bottoms of the push rod pins, springs for resetting the push rod pins are arranged in the push rod pins, and the springs are positioned in cavities formed by the push rod pins and the outer wall of the handle shell;
the middle part of the sliding block is provided with a sliding block inclined plane, the tail part of the sliding block is integrally formed with a limiting part, and the rack is fixedly arranged at the rear end of the limiting part;
the push rod pin inclined plane is located slider inclined plane top, and the push rod pin inclined plane is unanimous with the inclination on slider inclined plane.
Further, a support is installed on the handle shell, a first opening and a second opening are formed in the support, the bottom end of the first opening is lower than the bottom end of the second opening, and the gear is connected with the rack in a meshed mode when the gear is arranged at the first opening.
Further, curved intraductal wall of sleeve is equipped with a plurality of arc supporting parts, and the supporting part is located curved push rod outer wall and is used for supporting curved push rod, and the supporting part radian is unanimous with curved push rod outer wall radian, and the supporting part passes through connecting portion fixed mounting at curved intraductal wall of sleeve.
Furthermore, the outer wall of the handle shell is provided with anti-slip stripes, so that an operator can grasp the anti-slip handle conveniently.
Furthermore, the retraction device and one of the hand push rods are arranged on the same side, so that the single-hand operation of an operator is facilitated.
Furthermore, the withdrawing device is arranged between the two hand push rods, so that an operator can operate the withdrawing device with one hand conveniently.
The utility model has the advantages that: the utility model has simple structure, reasonable design and simple and convenient operation, the return device is provided with the extension device which is convenient for the single-hand operation of the extension device and the return device, and the push rod of the operating hand drives the push rod to move forwards to extend out of the annular cutter; the rack is driven to move backwards to return to the annular cutter through the meshing of the gear and the rack; the endoscope anastomat can be operated by the same hand, so that a clinical operator can operate the endoscope anastomat by one hand conveniently, the operation is simple, and the clinical operator can exert force conveniently; in addition, the supporting block supports the bent push rod, so that the minimum deformation of the bent push rod in the bent sleeve can be ensured, and the anastomosis performance of the anastomat is further ensured.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the ring knife in the retracted state of the present invention;
FIG. 2 is a schematic view of the extended state of the middle ring knife of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 1 at C;
fig. 6 is a partially enlarged view at D in fig. 2.
In the figure: 1. the nail bin comprises a nail bin box, 2. an annular knife, 3. a bent sleeve, 4. a handle shell, 5. a bent push rod, 6. a hand push rod, 7. a gear, 8. a rack, 9. a sliding block, 10. an end cover, 11. a first opening, 12. a bracket, 13. a spring, 14. a limiting part, 15. a sliding block inclined surface, 16. a push rod pin, 17. a push rod pin inclined surface, 18. a second opening, 19. a supporting part and 20. a connecting part.
Detailed Description
The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
The circular endoscope anastomat operated by one hand as shown in the figures 1-6 is provided with a bent sleeve 3, the front end of the bent sleeve 3 is provided with a nail bin box 1, an annular cutter 2 is arranged in the nail bin box 1, the rear end of the bent sleeve 3 is provided with a handle shell 4 convenient for being held by hand, a bent push rod 5 is arranged in the handle shell 4, the front end of the bent push rod 5 extends out of the handle shell 4 and the bent sleeve 3 and then is fixedly connected with the annular cutter 2, the rear end of the bent push rod 5 is fixedly connected with a slide block 9, the slide block 9 moves forwards to extend out of the annular cutter 2, and the slide block 9 moves backwards to return to the annular cutter 2; the handle shell 4 is provided with an end cap 10 at the rear end.
The handle shell 4 is also provided with an extending device and a returning device, and the returning device is arranged close to the extending device so as to be convenient for one-hand operation of the extending device and the returning device; the withdrawing device comprises a gear 7 and a rack 8 which are connected in a meshed mode, the rack 8 is located at the rear end of a sliding block 9 and is arranged in the handle shell 4, the gear 7 is installed on the handle shell 4, an opening is formed in the handle shell 4, and the gear 7 penetrates through the opening to be meshed with the rack 8.
The extending device comprises hand push rods 6 arranged at two sides of a handle shell 4, tubular push rod pins 16 penetrating through the handle shell 4 are arranged on the hand push rods 6, push rod pin inclined planes 17 are arranged at the bottoms of the push rod pins 16, springs 13 enabling the push rod pins 16 to reset are arranged in the push rod pins 16, and the springs 13 are positioned in cavities formed by the push rod pins 16 and the outer wall of the handle shell 4; a slide block inclined plane 15 is arranged in the middle of the slide block 9, a limiting part 14 is integrally formed at the tail part of the slide block 9, and the rack 8 is fixedly arranged at the rear end of the limiting part 14; the push rod pin inclined plane 17 is located above the slider inclined plane 15, and the push rod pin inclined plane 17 has the same inclination angle with the slider inclined plane 15.
The handle shell 4 is provided with a support 12, the support 12 is provided with a first opening 11 and a second opening 18, the bottom end of the first opening 11 is lower than the bottom end of the second opening 18, and the gear 7 is engaged with the rack 8 when being clamped in the first opening 11.
The inner wall of the bent sleeve 3 is provided with three arc-shaped supporting parts 19, the supporting parts 19 are positioned on the outer wall of the bent push rod 5 and used for supporting the bent push rod 5, the radian of the supporting parts 19 is consistent with that of the outer wall of the bent push rod 5, and the supporting parts 19 are fixedly installed on the inner wall of the bent sleeve 3 through connecting parts.
The outer wall of the handle shell 4 is provided with anti-skid stripes.
The gear 7 and the rack 8 which are connected in a meshed manner are arranged on the same side as one of the hand push rods 6.
The use process of the round endoscope anastomat operated by one hand comprises the following steps:
(1) the gear 7 is clamped into the first opening 11 to be meshed with the rack 8, the gear 7 is rotated, the rack 8 moves backwards, and the annular cutter 2 is driven to return to the nail bin box 1;
(2) the endoscope anastomat is extended to the area to be anastomosed, and the gear 7 is clamped into the second opening 18 to be separated from the rack 8; the fingers act on the hand push rod 6 to drive the push rod pin 16 to approach the slide block inclined plane 15, and the push rod pin inclined plane 17 moves downwards on the slide block inclined plane 15 to further push the slide block 9 to move forwards, so that the push rod 8 is pushed to move forwards to drive the annular cutter 2 to extend out of the nail bin box 1;
(3) after the operation is finished, the gear 7 is clamped into the first opening 11 to be meshed with the rack 8, the gear 7 is rotated, the rack 8 moves backwards to drive the annular knife 2 to return the nail bin box 1 to be separated from the anastomotic tissue, and the doctor takes out the endoscope anastomat.
Example 2
The difference from the embodiment 1 is that: a gear 7 and a rack 8 which are connected in a meshing manner are arranged between the two hand push rods 6.
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 circular chamber mirror anastomat of one-hand operation which characterized in that: the nail magazine is provided with a bent sleeve (3), a nail magazine box (1) is arranged at the front end of the bent sleeve (3), an annular cutter (2) is arranged in the nail magazine box (1), a handle shell (4) convenient to hold by hand is connected at the rear end of the bent sleeve (3), a bent push rod (5) is arranged in the handle shell (4), the front end of the bent push rod (5) extends out of the handle shell (4) and the bent sleeve (3) and then is fixedly connected with the annular cutter (2), a slide block (9) is fixedly connected at the rear end of the bent push rod (5), the slide block (9) moves forwards to extend out of the annular cutter (2), and the slide block (9) moves backwards to return to the annular cutter (2); an end cover (10) is arranged on the rear end cover of the handle shell (4);
the handle shell (4) is also provided with an extending device and a returning device, and the returning device is arranged close to the extending device and is convenient for one-hand operation of the extending device and the returning device; the returning device comprises a gear (7) and a rack (8) which are connected in a meshed mode, the rack (8) is located at the rear end of a sliding block (9) and is arranged in the handle shell (4), the gear (7) is installed on the handle shell (4), an opening is formed in the handle shell (4), and the gear (7) penetrates through the opening to be meshed with the rack (8).
2. The circular endoscopic stapler for one-handed operation according to claim 1, characterized in that: the extension device comprises hand push rods (6) arranged on two sides of a handle shell (4), tubular push rod pins (16) penetrating through the handle shell (4) are arranged on the hand push rods (6), push rod pin inclined planes (17) are arranged at the bottoms of the push rod pins (16), springs (13) enabling the push rod pins (16) to reset are arranged in the push rod pins (16), and the springs (13) are located in cavities formed by the push rod pins (16) and the outer wall of the handle shell (4);
a slide block inclined plane (15) is arranged in the middle of the slide block (9), a limiting part (14) is integrally formed at the tail part of the slide block (9), and the rack (8) is fixedly arranged at the rear end of the limiting part (14);
the push rod pin inclined plane (17) is positioned above the slide block inclined plane (15), and the inclined angle of the push rod pin inclined plane (17) is consistent with that of the slide block inclined plane (15).
3. The circular endoscopic stapler for one-handed operation according to claim 1, characterized in that: install support (12) on handle shell (4), seted up first opening (11) and second opening (18) on support (12), first opening (11) bottom is less than second opening (18) bottom, and gear (7) card is established and is connected with rack (8) meshing when first opening (11).
4. The circular endoscopic stapler for one-handed operation according to claim 1, characterized in that: curved sleeve pipe (3) inner wall is equipped with a plurality of arc supporting parts (19), and supporting part (19) are located curved push rod (5) outer wall and are used for supporting curved push rod (5), and supporting part (19) radian is unanimous with curved push rod (5) outer wall radian, and supporting part (19) pass through connecting portion fixed mounting at curved sleeve pipe (3) inner wall.
5. The circular endoscopic stapler for one-handed operation according to claim 1, characterized in that: the outer wall of the handle shell (4) is provided with anti-skid stripes.
6. The circular endoscopic stapler for one-handed operation according to claim 1, characterized in that: the withdrawal device is arranged on the same side as one of the hand push rods (6).
7. The circular endoscopic stapler for one-handed operation according to claim 1, characterized in that: the retraction device is arranged between the two hand push rods (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194702.8U CN214484556U (en) | 2020-12-25 | 2020-12-25 | Round endoscope anastomat operated by single hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023194702.8U CN214484556U (en) | 2020-12-25 | 2020-12-25 | Round endoscope anastomat operated by single hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214484556U true CN214484556U (en) | 2021-10-26 |
Family
ID=78210630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023194702.8U Active CN214484556U (en) | 2020-12-25 | 2020-12-25 | Round endoscope anastomat operated by single hand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214484556U (en) |
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2020
- 2020-12-25 CN CN202023194702.8U patent/CN214484556U/en active Active
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