CN218943532U - Minimally invasive surgical instrument supporting handle - Google Patents
Minimally invasive surgical instrument supporting handle Download PDFInfo
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- CN218943532U CN218943532U CN202223331368.5U CN202223331368U CN218943532U CN 218943532 U CN218943532 U CN 218943532U CN 202223331368 U CN202223331368 U CN 202223331368U CN 218943532 U CN218943532 U CN 218943532U
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- seat
- fixed
- sleeve
- handle
- surgical instrument
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Abstract
The utility model discloses a minimally invasive surgical instrument supporting handle, which comprises an outer sleeve, a reducing inner sleeve, a fixed handle, a fixed seat, a movable handle and a locking assembly, wherein the outer sleeve is arranged on the inner sleeve; the diameter-variable inner sleeve is slidably nested in the outer sleeve; the proximal end of the outer sleeve is provided with a fixed handle; a fixed seat is arranged at the proximal end of the diameter-variable inner sleeve; the fixed seat is provided with a movable handle; the locking component is arranged at the proximal end of the fixed seat; the reducing inner sleeve comprises a tube body and a reducing assembly arranged in the tube body. The utility model is convenient for replacing surgical instruments.
Description
Technical Field
The utility model relates to the technical field of minimally invasive surgical instruments, and provides a minimally invasive surgical instrument supporting handle for a bitter service.
Background
The traditional open surgery has been replaced by the minimally invasive surgery in the existing medical technology, and the minimally invasive surgery is not only small in surgical trauma, but also quick in recovery for patients.
The existing minimally invasive surgical instruments are various, and basically need doctors to operate from outside the human body, such as surgical scissors, graspers and the like. These surgical instruments all require a surgeon to operate when in use. In addition, in the operation process, the surgical instrument may need to be replaced, and other surgical instruments may need to be replaced after the original surgical instrument is taken out, so that a device convenient for replacing the surgical instrument in the operation process needs to be provided.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a minimally invasive surgical instrument supporting handle which is convenient for replacing surgical instruments.
In order to solve the technical problems, the utility model adopts the following technical scheme: a minimally invasive surgical instrument supporting handle comprises an outer sleeve, a reducing inner sleeve, a fixed handle, a fixed seat, a movable handle and a locking assembly;
the diameter-variable inner sleeve is slidably nested in the outer sleeve; the proximal end of the outer sleeve is provided with a fixed handle; a fixed seat is arranged at the proximal end of the diameter-variable inner sleeve; the fixed seat is provided with a movable handle; the locking component is arranged at the proximal end of the fixed seat; the reducing inner sleeve comprises a tube body and a reducing assembly arranged in the tube body.
Further, the pipe body of the reducing inner sleeve comprises an outer layer pipe body and an inner layer pipe body; the inner layer pipe body is rotationally connected with the outer layer pipe body; a reducing assembly is arranged in the inner layer pipe body; the outer tube body is connected with the inner wall of the outer sleeve in a sliding way.
Further, the fixing seat comprises a first seat body and a second seat body; the second seat body is rotationally connected with the seat body; the outer layer tube body of the diameter-variable inner sleeve is fixedly connected with the first base body; the inner layer tube body of the reducing inner sleeve passes through a through hole in the middle of the first seat body and is fixedly connected with the second seat body; the movable handle is fixedly arranged on the first base body.
Further, the reducing assembly comprises a plurality of arc-shaped elastic sheets which are distributed in the inner layer pipe at equal intervals; two ends of the arc-shaped elastic sheet are fixed on the sliding block; the sliding block slides along the sliding groove in the inner layer pipe body.
Further, the locking component comprises a plurality of fixed claws arranged at the proximal end of the fixed seat; the fixed claws are arranged at the periphery of the second seat body at equal intervals; the outer side wall of each fixed claw is provided with an external thread, a plurality of fixed claws form a sleeve body provided with the external thread, the whole sleeve body is of a trapezoid structure, and a nut in threaded connection with the sleeve body is sleeved outside the sleeve body.
Further, a through hole is arranged on the fixed handle 3, and a nut seat 91 which is rotationally connected with the fixed handle 3 is arranged at the proximal end of the through hole; the nut seat 91 is rotatably connected with the screw 92, one end of the screw is fixed on the fixed seat 4, and the other end of the screw penetrates into the through hole of the fixed handle 3 through the nut seat 91.
The beneficial effects of the utility model are as follows:
the variable-diameter inner sleeve can be used for supporting different surgical instruments, the surgical instruments have a certain movable space on the outer sleeve, and the surgical instruments are fixed through the locking assembly.
In addition, the moving distance of the surgical instrument can be effectively controlled through the moving assembly, and the surgical instrument is safe to use.
Drawings
The utility model is further described below with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram showing the connection of the diameter-variable inner sleeve and the fixing seat.
Fig. 3 is a schematic structural diagram of embodiment 2.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in the following detailed description.
Example 1
Referring to fig. 1 and 2, a minimally invasive surgical instrument supporting handle of the present embodiment includes an outer sleeve 1, a reducing inner sleeve 2, a fixed handle 3, a fixed seat 4, a movable handle 5 and a locking assembly 6.
The outer sleeve 1 of this embodiment is a hollow tube, and a fixed handle 3 is provided at the proximal end of the outer sleeve 1.
The reducing inner sleeve 2 of the present embodiment includes a tube body and a reducing assembly provided in the tube body. The pipe body of the reducing inner sleeve 2 comprises an outer layer pipe body 21 and an inner layer pipe body 22; the inner layer pipe body 22 is rotationally connected with the outer layer pipe body; a reducing assembly is arranged in the inner pipe body 22; the outer tube body is in sliding connection with the inner wall of the outer sleeve 1. The reducing assembly of the embodiment comprises a plurality of arc-shaped elastic sheets 81 which are distributed in the inner layer pipe at equal intervals; both ends of the arc-shaped elastic sheet 81 are fixed on the sliding block 82; the slide block 82 slides along a slide groove inside the inner tube.
The fixing seat 4 of the present embodiment includes a first seat body 41 and a second seat body 42; the second seat body 42 is rotatably connected with the first seat body 41; the outer layer tube body of the diameter-variable inner sleeve 2 is fixedly connected with the first seat body 41; the inner layer tube body of the reducing inner sleeve 2 passes through a through hole in the middle of the first seat body 41 and is fixedly connected with the second seat body 42; the movable handle 5 is fixedly arranged on the first seat body 41.
The diameter-variable inner sleeve 2 is slidably nested in the outer sleeve 1; the proximal end of the diameter-variable inner sleeve 2 is provided with a fixed seat 4; a movable handle 5 is arranged on the fixed seat 4; the proximal end of the fixed seat 4 is provided with a locking component 6.
The locking assembly 6 of the present embodiment includes a plurality of fixing claws 61 provided at the proximal end of the fixing base 4; the fixed claws 61 are arranged at equal intervals on the periphery of the second seat body; the outer side wall of each fixing claw 61 is provided with an external thread, a plurality of fixing claws 61 form a sleeve body provided with the external thread, the whole sleeve body is of a trapezoid structure, and a nut 62 in threaded connection with the sleeve body is sleeved outside the sleeve body.
When the surgical instrument is used, the surgical instrument sequentially passes through the fixed seat and the reducing inner sleeve 2, when the diameter of the surgical instrument is larger, the arc-shaped elastic sheet 81 is extruded and gradually straightened by a bending state, the sliding blocks at two ends in the process move towards two ends, the arc-shaped elastic sheet 81 clamps the surgical instrument under the action of elastic restoring force, and after the surgical instrument is installed in place, the locking assembly 6 fixes the surgical instrument and prevents the surgical instrument from moving in the fixed seat. The locking assembly secures the surgical instrument by rotating the nut with the securing pawl 61 inclined toward the center.
The locking component can be replaced by unlocking when the surgical instrument needs to be replaced.
Example 2
As shown in fig. 3, on the basis of embodiment 1, the fixed handle 3 is provided with a through hole, and the proximal end of the through hole is provided with a nut seat 91 rotatably connected with the fixed handle 3; the nut seat 91 is rotatably connected with the screw 92, one end of the screw is fixed on the fixed seat 4, and the other end of the screw penetrates into the through hole of the fixed handle 3 through the nut seat 91.
The distance between the fixed seat and the outer sleeve is adjusted by rotating the nut seat, so that the distance of the surgical instrument extending out of the outer sleeve is adjusted.
The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the utility model, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present utility model.
Claims (6)
1. A minimally invasive surgical instrument support handle, characterized in that: comprises an outer sleeve (1), a reducing inner sleeve (2), a fixed handle (3), a fixed seat (4), a movable handle (5) and a locking component (6);
the diameter-variable inner sleeve (2) is slidably nested in the outer sleeve (1); the proximal end of the outer sleeve (1) is provided with a fixed handle (3); a fixed seat (4) is arranged at the proximal end of the diameter-variable inner sleeve (2); a movable handle (5) is arranged on the fixed seat (4); the proximal end of the fixed seat (4) is provided with a locking component (6); the reducing inner sleeve (2) comprises a pipe body and a reducing assembly arranged in the pipe body.
2. The minimally invasive surgical instrument support handle of claim 1, wherein: the pipe body of the reducing inner sleeve (2) comprises an outer layer pipe body (21) and an inner layer pipe body (22); the inner layer pipe body (22) is rotationally connected with the outer layer pipe body; a reducing assembly is arranged in the inner-layer pipe body (22); the outer layer tube body is in sliding connection with the inner wall of the outer sleeve (1).
3. The minimally invasive surgical instrument support handle of claim 1, wherein: the fixed seat (4) comprises a first seat body (41) and a second seat body (42); the second seat body (42) is rotationally connected with the first seat body (41); the outer layer tube body of the diameter-variable inner sleeve (2) is fixedly connected with the first seat body (41); the inner layer pipe body of the reducing inner sleeve (2) passes through a through hole in the middle of the first seat body (41) and is fixedly connected with the second seat body (42); the movable handle (5) is fixedly arranged on the first seat body (41).
4. The minimally invasive surgical instrument support handle of claim 1, wherein: the diameter-changing assembly comprises a plurality of arc-shaped elastic sheets (81) which are distributed in the inner layer pipe at equal intervals; both ends of the arc-shaped elastic sheet (81) are fixed on the sliding block (82); the sliding block (82) slides along a sliding groove in the inner layer pipe body.
5. The minimally invasive surgical instrument support handle of claim 1, wherein: the locking component (6) comprises a plurality of fixing claws (61) arranged at the proximal end of the fixing seat (4); the fixed claws (61) are arranged at equal intervals on the periphery of the second seat body; the outer side wall of each fixing claw (61) is provided with an external thread, a plurality of fixing claws (61) form a sleeve body provided with the external thread, the whole sleeve body is of a trapezoid structure, and a nut (62) in threaded connection with the sleeve body is sleeved outside the sleeve body.
6. The minimally invasive surgical instrument support handle of claim 1, wherein: the fixed handle (3) is provided with a through hole, and the near end of the through hole is provided with a nut seat (91) which is rotationally connected with the fixed handle (3); the nut seat (91) is rotationally connected with the screw rod (92), one end of the screw rod is fixed on the fixed seat (4), and the other end of the screw rod penetrates into the through hole of the fixed handle (3) through the nut seat (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223331368.5U CN218943532U (en) | 2022-12-13 | 2022-12-13 | Minimally invasive surgical instrument supporting handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223331368.5U CN218943532U (en) | 2022-12-13 | 2022-12-13 | Minimally invasive surgical instrument supporting handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218943532U true CN218943532U (en) | 2023-05-02 |
Family
ID=86106819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223331368.5U Active CN218943532U (en) | 2022-12-13 | 2022-12-13 | Minimally invasive surgical instrument supporting handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218943532U (en) |
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2022
- 2022-12-13 CN CN202223331368.5U patent/CN218943532U/en active Active
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