CN215384420U

CN215384420U - Injury-preventing direct-vision intestinal grasping forceps

Info

Publication number: CN215384420U
Application number: CN202121281760.6U
Authority: CN
Inventors: 周升坤
Original assignee: Tonglu First People's Hospital
Current assignee: Tonglu First People's Hospital
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-01-04
Anticipated expiration: 2031-06-08

Abstract

The utility model belongs to the technical field of surgical instruments, and particularly relates to an injury-preventing direct-vision intestinal grasping forceps. The utility model aims to solve the problem that tissue damage is possibly caused by overlarge clamping force in the prior art. The utility model provides an injury-preventing direct-vision intestine grasping forceps, including handle components and push rod, the push rod overcoat is equipped with the outer tube, the push rod is connected with the binding clip subassembly, the binding clip subassembly is including relative last clamping jaw and the lower clamping jaw that sets up, it all rotates with the push rod to go up clamping jaw and lower clamping jaw and is connected, handle components promotes the push rod and can make last clamping jaw and lower clamping jaw keep away from each other or be close to each other, the one end that the push rod was kept away from to last clamping jaw and lower clamping jaw all is equipped with spacing face, when two spacing faces laminated each other, the injury-preventing clearance has between last clamping jaw and the lower clamping jaw. When the handle assembly is completely clamped, namely two limiting surfaces are mutually abutted, an anti-damage gap still can be reserved between the upper clamping jaw and the lower clamping jaw, and the problem of tissue damage caused by overlarge clamping force when tissue is clamped in the anti-damage gap is solved.

Description

Injury-preventing direct-vision intestinal grasping forceps

Technical Field

The utility model belongs to the technical field of surgical instruments, and particularly relates to an injury-preventing direct-vision intestinal grasping forceps.

Background

A grasper is a common instrument used in surgery, and is used to grasp the tissues in the abdominal cavity, such as liver, stomach, intestine, etc., so as to facilitate the effective observation of the surgeon during the surgery, and then decide whether to perform the corresponding resection or not according to the actual situation. The dynamics of nipper among the prior art when the centre gripping needs medical personnel to rely on experience to judge, and too big clamping dynamics probably appears to the medical personnel that experience is not enough, leads to the problem of tissue damage.

For example, the chinese utility model discloses a direct-view intestinal grasping forceps [ application number: 201120052583.4], the utility model comprises a handle composed of a front handle and a rear handle which are connected with each other by rotation, an outer tube is connected with the front handle by a rotating wheel component, a clamp body is arranged at the top of the outer tube, a push rod component for controlling the switch of the clamp body is arranged in the outer tube, the tail end of the push rod component is connected with the rear handle, the clamp body comprises an upper clamp head and a lower clamp head which are connected with each other by rotation and correspond to each other, the root of the upper clamp head and the root of the lower clamp head are respectively connected with the head end of the push rod component, the inner surface of the upper clamp head is provided with upper teeth, and the inner surface of the lower clamp head is provided with lower teeth which are engaged with the upper teeth; a flushing joint communicated with the inner cavity of the outer pipe is arranged on the rotating wheel component; the upper teeth and the lower teeth are round-head teeth; the top end of the upper binding clip and the top end of the lower binding clip are both spherical; the length-width ratio of the inner surface of the upper binding clip and the length-width ratio of the inner surface of the lower binding clip are both 6.5-7.5: 1.

The utility model discloses an increase the pincers body length of nipper, consequently have the advantage that is fit for snatching the large intestine or the small intestine in the abdominal cavity, but it still does not solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an anti-injury direct-vision intestinal grasping forceps which can prevent injury to a patient in a surgical process.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an injury-preventing direct-vision intestine grasping forceps, includes handle components and connects the push rod on handle components, and the push rod overcoat is equipped with the outer tube, the one end that handle components was kept away from to the push rod is rotated and is connected with the binding clip subassembly, the binding clip subassembly is including the last clamping jaw and the lower clamping jaw that set up relatively, goes up the clamping jaw and all rotates with the push rod with lower clamping jaw and is connected, and handle components promotes the push rod and can make last clamping jaw and lower clamping jaw keep away from each other or be close to each other, the one end that the push rod was kept away from to last clamping jaw and lower clamping jaw all is equipped with spacing face, and when two spacing faces laminated each other, it has the injury-preventing clearance to go up between clamping jaw and the lower clamping jaw.

In the injury-preventing direct-vision intestine grasping forceps, the surface of one side, close to the injury-preventing gap, of the clamping jaw is a clamping surface, and a plurality of anti-skidding convex teeth are arranged on the clamping surface.

In foretell injury-preventing direct-view intestinal grasping forceps, the one end that the push rod was kept away from to the clamping jaw all is equipped with the segmental arc of incurving, spacing face sets up the tip at the segmental arc.

In foretell injury-preventing direct-view intestinal grasping forceps, handle components includes fixed handle and activity handle, the activity handle rotates through the pin joint and connects on fixed handle, outer tube fixed connection is on fixed handle, push rod swing joint is in the outer tube and the tip of push rod is pressed and is established on the activity handle, still be equipped with the spacing subassembly of centre gripping between fixed handle and the activity handle.

In the injury-preventing direct-vision intestine grasping forceps, the clamping limiting assembly and the push rod are respectively positioned on two sides of a hinged point.

In the injury-preventing direct-view intestine grasping forceps, the clamping and limiting assembly comprises an elastic sheet in a tightening state, one end of the elastic sheet is pressed on the movable handle, and the other end of the elastic sheet is pressed on the fixed handle.

In the injury-preventing direct-view intestine grasping forceps, the clamping and limiting assembly further comprises a rack which is arranged between the fixed handle and the movable handle and provided with continuous protruding saw teeth on the surface, one end of the rack is rotatably connected with the movable handle, and the other end of the rack is meshed with the fixed handle;

or one end of the rack is rotatably connected with the fixed handle, and the other end of the rack is meshed with the movable handle.

In foretell injury prevention look directly at intestines nipper, still including the angle adjusting part who is used for adjusting binding clip subassembly circumference direction angle, angle adjusting part one end is connected on the outer tube, and the other end is connected on handle components.

In the injury-preventing direct-vision intestine grasping forceps, the angle adjusting assembly comprises a gear disc fixedly connected to the handle assembly and an adjusting knob fixedly connected to the outer sleeve, and the gear disc and the adjusting knob are connected through an angle limiting assembly.

In foretell injury-preventing direct-view intestines nipper, angle restriction subassembly includes spacing ball and presses the spring of establishing on spacing ball, adjust knob is close to a side surface of gear dish and has the blind hole to the inside extension of adjust knob, the spring is located the blind hole, gear dish is close to adjust knob side surface and has a plurality of to the gear dish inside sunken gear recess, spacing ball is pressed and is established in the gear recess, the gear recess evenly sets up along the axial lead circumference of gear dish.

Compared with the prior art, the utility model has the advantages that:

1. when the handle assembly is completely clamped, namely two limiting surfaces are mutually abutted, an anti-damage gap still can be reserved between the upper clamping jaw and the lower clamping jaw, and the problem of tissue damage caused by overlarge clamping force when tissue is clamped in the anti-damage gap is solved.

2. The utility model has simple structure and convenient use, and is suitable for large-scale popularization and use.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an exploded view of the angle adjustment assembly;

FIG. 3 is an exploded view of the angle adjustment assembly in another orientation;

in the figure: the handle assembly 1, the push rod 2, the outer sleeve 3, the tong head assembly 4, the clamping limiting assembly 5, the angle adjusting assembly 6, the fixed handle 11, the movable handle 12, the hinge point 13, the clamping jaw 41, the lower clamping jaw 42, the limiting surface 43, the damage-preventing gap 44, the clamping surface 45, the anti-skidding convex tooth 46, the arc section 47, the elastic sheet 51, the rack 52, the gear disc 61, the adjusting knob 62, the angle limiting assembly 63, the limiting ball 64, the spring 65, the blind hole 66 and the gear groove 67.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, an injury-preventing direct-view intestine grasping forceps, including handle component 1 and the push rod 2 of connection on

handle component

1, 2 overcoat of push rod is equipped with outer tube 3, the one end that handle component 1 was kept away from to push rod 2 is rotated and is connected with binding clip subassembly 4, binding clip subassembly 4 is including relative last clamping jaw 41 and the lower clamping jaw 42 that sets up, and last clamping jaw 41 and lower clamping jaw 42 all rotate with push rod 2 and are connected, and handle component 1 promotes push rod 2 and can make last clamping jaw 41 and lower clamping jaw 42 keep away from each other or be close to each other, the one end that push rod 2 was kept away from to last clamping jaw 41 and lower clamping jaw 42 all is equipped with spacing face 43, and when two spacing faces 43 were laminated each other, had injury-preventing clearance 44 between last clamping jaw 41 and the lower clamping jaw 42. Specifically, the ends of the

clamping jaws

41 and 42, which are far away from the push rod 2, are provided with an inwardly bent arc section 47, and the limiting surface 43 is arranged at the end of the arc section 47. Because the ends of the

clamping jaws

41, 42 have inwardly curved segments 47, the upper clamping jaw 41 and the lower clamping jaw 42 still have an anti-damage gap 44 between them when the limiting surfaces 43 are engaged.

When the utility model is used, the handle component 1 is utilized to push the push rod 2, so that the push rod 2 slides in the outer sleeve 3 along the axial lead direction, and the tong head component 4 connected with the end part is pushed, so that the upper clamping jaw 41 and the lower clamping jaw 42 are close to or far away from each other. When clamping is performed, the two limiting surfaces 43 are attached to each other, and the tissue to be clamped is located in the anti-damage gap 44. Therefore, when the handle assembly 1 of the present invention is completely clamped, i.e. the two limiting surfaces 43 are abutted against each other, the damage-preventing gap 44 still remains between the upper clamping jaw 41 and the lower clamping jaw 42, and the tissue is clamped in the damage-preventing gap 44 without the problem of tissue damage caused by excessive clamping force.

As shown in fig. 1, the surface of the

clamping jaw

41, 42 near the damage-proof gap 44 is a clamping surface 45, and a plurality of anti-skid convex teeth 46 are arranged on the clamping surface 45. The anti-slip lobes 46 may improve the stability of the grip.

As shown in fig. 1, the handle assembly 1 includes a fixed handle 11 and a movable handle 12, the movable handle 12 is rotatably connected to the fixed handle 11 through a hinge point 13, the outer sleeve 3 is fixedly connected to the fixed handle 11, the push rod 2 is movably connected in the outer sleeve 3, the end of the push rod 2 is pressed on the movable handle 12, and a clamping and limiting assembly 5 is further disposed between the fixed handle 11 and the movable handle 12. The clamping and limiting assembly 5 and the push rod 2 are respectively positioned at two sides of the hinge point 13.

Specifically, the clamping and limiting assembly 5 comprises an elastic sheet 51 in a tightened state, one end of the elastic sheet 51 is pressed on the movable handle 12, and the other end of the elastic sheet 51 is pressed on the fixed handle 11. The clamping and limiting assembly 5 can comprise springs with two ends respectively pressed on the movable handle 12 and the fixed handle 11, or can also comprise arc-shaped elastic pieces 51 with two ends respectively pressed on the movable handle 12 and the fixed handle 11, wherein the arc-shaped elastic pieces 51 can be integrally formed, or can be formed by clamping and matching the end parts of two elastic pieces.

As shown in fig. 1, the clamping and spacing assembly 5 further comprises a rack 52 which is arranged between the fixed handle 11 and the movable handle 12 and has continuous protruding saw teeth on the surface, one end of the rack 52 is rotatably connected with the movable handle 12, and the other end is meshed with the fixed handle 11; or one end of the rack 52 is rotatably connected with the fixed handle 11, and the other end is meshed with the movable handle 12. The rack 52 is meshed with the end part of the fixed handle 11 or the movable handle 12 so as to fix the distance between the movable handle 12 and the fixed handle 11 and further control the opening degree between the binding clip assemblies 4, and the surface of the rack 52 is continuously provided with sawteeth in a protruding manner, so that the opening degree control precision of the binding clip assemblies 4 can be improved, and the clamping force can be conveniently adjusted. Meanwhile, the clamp head assembly 4 is kept at a certain opening degree, and the stability of clamping and force application is ensured.

Referring to fig. 1-3, the pliers head assembly further comprises an angle adjusting assembly 6 for adjusting the circumferential direction angle of the pliers head assembly 4, wherein one end of the angle adjusting assembly 6 is connected to the outer sleeve 3, and the other end of the angle adjusting assembly 6 is connected to the handle assembly 1. The angle of the binding clip assembly 4 can be adjusted in the circumferential direction by rotating the angle adjusting assembly 6, thereby adjusting the clamping angle.

Referring to fig. 2 and 3, the angle adjusting assembly 6 includes a gear plate 61 fixedly connected to the handle assembly 1 and an adjusting knob 62 fixedly connected to the outer sleeve 3, and the gear plate 61 and the adjusting knob 62 are connected by an angle limiting assembly 63.

Specifically speaking, angle limiting assembly 63 includes spacing ball 64 and presses spring 65 of establishing on spacing ball 64, adjusting knob 62 is close to a side surface of gear dish 61 and has the blind hole 66 to the inside extension of adjusting knob 62, spring 65 is located blind hole 66, gear dish 61 is close to an adjusting knob 62 side surface and has a plurality of to the inside sunken gear recess 67 of gear dish 61, spacing ball 64 presses and establishes in gear recess 67, gear recess 67 evenly sets up along gear dish 61's axial lead circumference. The diameter of the shift position recess 67 is smaller than the diameter of the limit ball 64.

When needing to adjust the centre gripping angle, rotate adjust knob 62, drive the spacing ball 64 that is located the spring 65 and part in blind hole 66 through blind hole 66, treat that spacing ball 64 is rotated to and is aligned with a gear recess 67, under the spring action of spring 65, spacing ball 64 blocks in the gear recess 67 to fix this direction. When the angle needs to be adjusted continuously, the adjusting knob 62 is rotated continuously, and the limiting ball 64 rolls out of the gear groove 67 again only by applying a certain force because the contact surface between the limiting ball 64 and the gear groove 67 is a cambered surface.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the handle assembly 1, the push rod 2, the outer sleeve 3, the bit assembly 4, the clamping and limiting assembly 5, the angle adjusting assembly 6, the fixed handle 11, the movable handle 12, the hinge point 13, the clamping jaw 41, the lower clamping jaw 42, the limiting surface 43, the damage-preventing gap 44, the clamping surface 45, the anti-slip convex tooth 46, the arc section 47, the elastic piece 51, the rack 52, the shift disc 61, the adjusting knob 62, the angle limiting assembly 63, the limiting ball 64, the spring 65, the blind hole 66, the shift groove 67 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides an injury-preventing direct-view intestinal grasping forceps, includes handle components (1) and connects push rod (2) on handle components (1), and push rod (2) overcoat is equipped with outer tube (3), the one end rotation that handle components (1) were kept away from in push rod (2) is connected with binding clip subassembly (4), its characterized in that: binding clip subassembly (4) are including relative last clamping jaw (41) and lower clamping jaw (42) that sets up, go up clamping jaw (41) and lower clamping jaw (42) all rotate with push rod (2) and be connected, handle components (1) promote push rod (2) can make and go up clamping jaw (41) and lower clamping jaw (42) and keep away from each other or be close to each other, the one end of going up clamping jaw (41) and lower clamping jaw (42) keeping away from push rod (2) all is equipped with spacing face (43), and when two spacing faces (43) were laminated each other, it prevented damage clearance (44) to have between last clamping jaw (41) and lower clamping jaw (42).

2. The atraumatic direct view intestinal grasper of claim 1, wherein: the clamping jaw is characterized in that the surface of one side, close to the damage-preventing gap (44), of the clamping jaw (41, 42) is a clamping surface (45), and a plurality of anti-skidding convex teeth (46) are arranged on the clamping surface (45).

3. The atraumatic direct view intestinal grasper of claim 1, wherein: one ends, far away from the push rod (2), of the clamping jaws (41 and 42) are respectively provided with an arc section (47) which is bent inwards, and the limiting surface (43) is arranged at the end part of the arc section (47).

4. The atraumatic direct view intestinal grasper of claim 1, wherein: handle components (1) is including fixed handle (11) and activity handle (12), activity handle (12) rotate through pin joint (13) and connect on fixed handle (11), outer tube (3) fixed connection is on fixed handle (11), push rod (2) swing joint is in outer tube (3) and the tip pressure of push rod (2) is established on activity handle (12), still be equipped with the spacing subassembly of centre gripping (5) between fixed handle (11) and activity handle (12).

5. The atraumatic direct view intestinal grasper of claim 4, wherein: the clamping and limiting assembly (5) and the push rod (2) are respectively located on two sides of the hinge point (13).

6. The atraumatic direct view intestinal grasper of claim 4, wherein: the clamping and limiting assembly (5) comprises an elastic sheet (51) in a tightening state, one end of the elastic sheet (51) is pressed on the movable handle (12), and the other end of the elastic sheet is pressed on the fixed handle (11).

7. The atraumatic direct view intestinal grasper of claim 4, wherein: the clamping and limiting assembly (5) further comprises a rack (52) which is arranged between the fixed handle (11) and the movable handle (12) and provided with continuous protruding saw teeth on the surface, one end of the rack (52) is rotatably connected with the movable handle (12), and the other end of the rack is meshed with the fixed handle (11);

or one end of the rack (52) is rotationally connected with the fixed handle (11), and the other end is meshed with the movable handle (12).

8. The atraumatic direct view intestinal grasper of claim 1, wherein: the angle adjusting device is characterized by further comprising an angle adjusting assembly (6) used for adjusting the circumferential direction angle of the forceps head assembly (4), one end of the angle adjusting assembly (6) is connected to the outer sleeve (3), and the other end of the angle adjusting assembly is connected to the handle assembly (1).

9. The atraumatic direct view intestinal grasper of claim 8, wherein: the angle adjusting assembly (6) comprises a gear disc (61) fixedly connected to the handle assembly (1) and an adjusting knob (62) fixedly connected to the outer sleeve (3), and the gear disc (61) and the adjusting knob (62) are connected through an angle limiting assembly (63).

10. The atraumatic direct view intestinal grasper of claim 9, wherein: angle restriction subassembly (63) include spacing ball (64) and press spring (65) of establishing on spacing ball (64), adjust knob (62) are close to a side surface of gear dish (61) and have blind hole (66) to the inside extension of adjust knob (62), spring (65) are located blind hole (66), gear dish (61) are close to adjust knob (62) a side surface and have a plurality of gear recess (67) to gear dish (61) inside sunken, spacing ball (64) are pressed and are established in gear recess (67), gear recess (67) are evenly set up along the axial lead circumference of gear dish (61).