CN219306821U - Rotatable repeated switching tissue clamp of many curvatures regulation - Google Patents

Abstract

The utility model discloses a multi-curvature-adjustable rotatable repeated opening and closing tissue clamp, which comprises a clamping assembly, a holding assembly, a traction assembly and a handle assembly, wherein the traction assembly comprises a traction steel wire and a spring hose; the curvature traction assembly comprises a curvature adjusting steel wire, a sheath tube and a sheath handle, wherein the sheath tube is positioned at the periphery of the spring hose, and the tail end of the sheath tube is fixedly connected with the sheath handle; the curvature adjusting steel wire is arranged in the sheath pipe, the front end of the curvature adjusting steel wire is fixedly connected with the outer side of the head end of the spring hose, the rear end of the curvature adjusting steel wire is connected with the curvature adjusting rod in the sheath handle, and the curvature adjusting rod is in sliding connection with the sheath handle. According to the utility model, on the basis of basic clamping, the curvature traction assembly is added, and the curvature adjusting steel wire is pulled to drive the front end of the spring hose at the front end of the tissue clamp to bend by pulling the curvature adjusting rod, so that the curvature adjustment is realized, the clamping assembly is perpendicular to the target point, and the optimal clamping state is presented.

Description

Rotatable repeated switching tissue clamp of many curvatures regulation

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a multi-curvature-adjustable rotatable repeated opening and closing tissue clamp.

Background

The endoscope tissue clip has the characteristics of high hemostatic speed, low occurrence rate of re-bleeding, capability of closing the mucosa of the alimentary canal, promotion of wound healing, definite curative effect and the like, becomes a conventional means for hemostasis of bleeding patients and wound closure after endoscopic surgery, and has very wide clinical application.

The Chinese patent application CN106491176A discloses a rotatable repeated opening and closing hemostatic clamp, which comprises a clamping assembly, a holding assembly, a traction assembly and a handle assembly, wherein the clamping assembly comprises two clamping pieces, a movable pin, a tightening pipe and a fixing pin, the holding assembly comprises a tension rod, a release piece and a fixing seat, the traction assembly comprises a traction steel wire, a spring hose and a guide pipe, the handle assembly comprises an end cap, a handle, a sliding double finger ring, a clamping block and a thumb ring, and the sliding double finger ring is pushed and pulled to control the clamping pieces to open or close in the tightening pipe under the action of the traction assembly and the holding assembly, so that the purposes of opening, closing and hemostasis for multiple times are achieved. The target tissue can be clamped by rotating and repeatedly opening and closing, and a more suitable point can be found by rotating to clamp. The tissue clip disclosed in the above patent is widely used in clinic, but in clinic use, we find that some places are difficult to reach the target site, because the rotatability disclosed in the above patent is limited to rotate only in the direction almost parallel to the endoscope channel and the inner cavity of the alimentary canal, and the place opposite to the endoscope channel is easy, but because the intestinal cavity is narrow and the folds are more, many endoscopes cannot be directly seen and the channels cannot be opposite to the place, the operation is very difficult, the target point is difficult to reach or accurately clamp, namely, when the target clamping point is parallel to the longitudinal axis direction of the tissue clip device or the target clamping point is behind the folds, the tissue clip in the above patent is difficult to quickly and accurately clamp the target point.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a multi-curvature adjustable rotatable repeated opening and closing tissue clamp, which solves the problem of rapid and accurate clamping when a target clamping point is parallel to the longitudinal axis direction of a tissue clamp device or the target clamping point is behind a fold.

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

the multi-curvature adjustable rotatable repeated opening and closing tissue clamp comprises a clamping assembly, a holding assembly, a traction assembly and a handle assembly, wherein the clamping assembly comprises two clamping pieces, a movable pin, a tightening pipe and a fixing pin, the holding assembly comprises a tension rod, a release piece and a fixing seat, and the traction assembly comprises a traction steel wire and a spring hose; the front part in the tightening pipe is provided with a fixed pin, and the tail part of the tightening pipe is provided with a hole groove matched with the tail end of the clamping piece; the two clamping pieces are symmetrically arranged at two sides of the fixed pin and are tightened in the tightening pipe, and are connected with the tension rod through the movable pin; the front part of the release piece is axially and relatively fixed with the tail part of the tightening pipe, and the rear part of the release piece is axially and relatively fixed with the fixing seat and relatively rotatably connected with the fixing seat in the radial direction; the tension rod sequentially passes through the tightening pipe and the release piece; the traction steel wire is arranged in the spring hose, the front end of the traction steel wire is connected with the rear end of the tension rod, the front end of the spring hose is connected with the rear end of the fixing seat of the holding assembly, the rear end of the spring hose is fixedly connected with the positioning cap at the front end of the handle assembly, the rear end of the positioning cap is rotationally connected with the rotating handle, the tail part of the traction steel wire is arranged in the spring hose and sequentially penetrates through the positioning cap, the rotating handle and the sliding handle to be fixedly connected, and the sliding handle is in sliding connection with the rotating handle;

the curvature traction assembly comprises a curvature adjusting steel wire, a sheath tube and a sheath handle, wherein the sheath tube is positioned at the periphery of the spring hose, and the tail end of the sheath tube is fixedly connected with the sheath handle; the curvature adjusting steel wire is arranged in the sheath pipe, the front end of the curvature adjusting steel wire is fixedly connected with the outer side of the head end of the spring hose, the rear end of the curvature adjusting steel wire is connected with the curvature adjusting rod in the sheath handle, and the curvature adjusting rod is in sliding connection with the sheath handle.

Further, the side wall of the sheath handle is axially provided with a chute with a T-shaped cross section, and the curvature adjusting rod is in a T-shaped shape and is matched with the chute.

Preferably, the curvature adjusting wire is located in a gap between the spring hose and the sheath tube.

Preferably, the inner wall of the sheath tube is provided with an axial groove, the axial groove penetrates through two ends of the sheath tube, and the curvature adjusting steel wire is embedded in the axial groove.

As a third preferred aspect, an axial channel is provided in the side wall of the sheath tube, and the curvature adjusting steel wire passes through the axial channel.

Further, the sheath tube is 15-20 cm shorter than the spring hose.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, on the basis of basic clamping, the curvature traction assembly is added, and the curvature adjusting steel wire is pulled to drive the front end of the spring hose at the front end of the tissue clamp to bend by pulling the curvature adjusting rod, so that the curvature adjustment is realized, the clamping assembly is perpendicular to the target point, and the optimal clamping state is presented. The movable handle can drive the clamping assembly to rotate relative to the spring hose through the traction steel wire, so that multidirectional adjustment is realized, and the tissue clamp can easily reach any target point.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic longitudinal cross-sectional view of FIG. 1;

fig. 3 is a schematic cross-sectional view of a sheath shank segment of the present utility model.

Reference numerals: the device comprises a clamping piece 1, a fixing pin 2, a tightening pipe 3, a movable pin 4, a tension rod 5, a fixing seat 6, a releasing piece 7, a spring hose 8, a traction steel wire 9, a rotating handle 10, a positioning cap 11, a curvature adjusting steel wire 12, a protective sleeve 13, a protective sleeve handle 14, a curvature adjusting rod 15 and a sliding handle 16.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The utility model provides a rotatable repeatedly switching tissue clamp of many curvatures regulation, is shown as fig. 1, includes clamping component, keeps subassembly, traction component and handle subassembly, clamping component includes two clamping pieces 1, movable pin 4, tightens up pipe 3 and fixed pin 2, keeps the subassembly and includes pulling force pole 5, release 7 and fixing base 6, and traction component includes traction steel wire 9, spring hose 8.

The front part in the tightening pipe 3 is provided with a fixed pin 2, and the tail part of the tightening pipe 3 is provided with a hole groove matched with the tail end of the clamping piece 1; two clamping pieces 1 are symmetrically arranged at two sides of a fixed pin 2 and are tightened in a tightening pipe 3, and are connected with a tension rod 5 through a movable pin 4; the front part of the release piece 7 is axially and relatively fixed and radially and relatively rotatably connected with the tail part of the tightening pipe 3, and the rear part of the release piece is axially and relatively fixed and radially and relatively rotatably connected with the fixed seat 6; the tension rod 5 sequentially passes through the tightening pipe 3 and the release piece 7; the traction steel wire 9 is arranged in the spring hose 8, the front end of the traction steel wire 9 is connected with the rear end of the tension rod 5, the front end of the spring hose 8 is connected with the rear end of the fixing seat 6 of the holding assembly, the rear end of the spring hose 8 is fixedly connected with the positioning cap 11 at the front end of the handle assembly, the rear end of the positioning cap 11 is rotationally connected with the rotating handle 10, the tail of the traction steel wire 9 is arranged in the spring hose 8 and sequentially penetrates through the positioning cap 11, the rotating handle 10 and the sliding handle 11 to be fixedly connected, and the sliding handle 16 is in sliding connection with the rotating handle 10.

The device also comprises a curvature traction assembly, wherein the curvature traction assembly comprises a curvature adjusting steel wire 12, a sheath tube 13 and a sheath handle 14, the sheath tube 13 is positioned outside the spring hose 8, and the tail end of the sheath tube 13 is fixedly connected with the sheath handle 14; the curvature adjusting steel wire 12 is arranged in the sheath tube 13, the front end of the curvature adjusting steel wire 12 is fixedly connected with the outer side of the head end of the spring hose 8, the rear end of the curvature adjusting steel wire 12 is connected with the curvature adjusting rod 15 in the sheath handle 14, and the curvature adjusting rod 15 is in sliding connection with the sheath handle 14. Preferably, as shown in fig. 2, the side wall of the sheath handle 14 is provided with a chute with a T-shaped cross section along the axial direction, and the curvature adjusting rod 15 is in a T-shape and is adapted to the chute.

Further, the camber adjusting wire 12 is located in the gap between the spring hose 8 and the sheath tube 13. Or the inner wall of the sheath tube 13 is provided with an axial groove, the axial groove penetrates through the two ends of the sheath tube 13, and the curvature adjusting steel wire 12 is embedded in the axial groove. Or an axial passage is arranged in the side wall of the sheath tube 13, and the curvature adjusting steel wire 12 passes through the axial passage.

The sheath tube 13 is about 20cm shorter than the spring hose 8, in the initial state, the front end of the sheath tube 13 is flush with the front end of the clamping assembly, when the sheath handle 14 is pulled to slide towards the handle assembly, the clamping assembly, the holding assembly and the front end of the spring hose are exposed together with the head end of the curvature adjusting wire 12, when the fixing point of the head end of the curvature adjusting wire 12 is exposed about 10cm, the spring hose 8 at the head end slides towards the handle assembly to slide towards the curvature adjusting rod 15, the clamping assembly and the fixing assembly gradually generate an angle of 0-180 degrees from being parallel to the intestinal canal, so that the clamping assembly can clamp wound surfaces vertically or at an optimal angle, and as is well known, the clamping perpendicular to the intestinal wall wound surfaces is most effective.

After the endoscope reaches a proper position, the clamp can be opened or closed by moving the sliding handle to be far away from or close to the finger ring of the rotary handle, and the angle of the clamp can be adjusted by rotating the rotary handle; on the basis of basic clamping, a curvature traction assembly is added, and the curvature adjusting steel wire is pulled to drive the front end of the spring hose at the front end of the tissue clamp to bend by pulling the curvature adjusting rod, so that the curvature adjustment is realized, the clamping assembly is perpendicular to the target point, and the optimal clamping state is presented. The rotating handle is rotationally connected with the positioning cap, the positioning cap is fixed during use, the rotating handle is rotated, the sliding handle, the traction steel wire and the clamping assembly can be driven to rotate, and further the clamping assembly rotates relative to the spring hose, so that multidirectional adjustment is realized, and the tissue clamp can easily reach any target point.

It should be noted that the proportions of fig. 1, fig. 2, and fig. 3 in the present utility model are not true proportions, but are merely used to clearly express the structural connection relationship, and should not be construed as limiting the structure of the present utility model.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (6)

1. The utility model provides a rotatable repeatedly switching tissue clamp of many curvatures adjustment which characterized in that: the traction device comprises a clamping assembly, a holding assembly, a traction assembly and a handle assembly, wherein the clamping assembly comprises two clamping pieces (1), a movable pin (4), a tightening pipe (3) and a fixing pin (2), the holding assembly comprises a tension rod (5), a release piece (7) and a fixing seat (6), and the traction assembly comprises a traction steel wire (9) and a spring hose (8); the front part in the tightening pipe (3) is provided with a fixed pin (2), and the tail part of the tightening pipe (3) is provided with a hole groove matched with the tail end of the clamping piece (1); the two clamping pieces (1) are symmetrically arranged at two sides of the fixed pin (2) and are tightened in the tightening pipe (3) and are connected with the tension rod (5) through the movable pin (4); the front part of the release piece (7) is axially and relatively fixed and radially and relatively rotatably connected with the tail part of the tightening pipe (3), and the rear part of the release piece is axially and relatively fixed and radially and relatively rotatably connected with the fixing seat (6); the tension rod (5) sequentially passes through the tightening pipe (3) and the release piece (7); the traction steel wire (9) is arranged in the spring hose (8), the front end of the traction steel wire (9) is connected with the rear end of the tension rod (5), the front end of the spring hose (8) is connected with the rear end of the fixing seat (6) of the holding assembly, the rear end of the spring hose (8) is fixedly connected with the positioning cap (11) at the front end of the handle assembly, the rear end of the positioning cap (11) is rotationally connected with the rotating handle (10), the tail part of the traction steel wire (9) is arranged in the spring hose (8) and sequentially penetrates through the positioning cap (11), the rotating handle (10) and the sliding handle (16) to be fixedly connected, and the sliding handle (16) is in sliding connection with the rotating handle (10);

the device further comprises a curvature traction assembly, wherein the curvature traction assembly comprises a curvature adjusting steel wire (12), a sheath tube (13) and a sheath handle (14), the sheath tube (13) is positioned at the periphery of the spring hose (8), and the tail end of the sheath tube (13) is fixedly connected with the sheath handle (14); the curvature adjusting steel wire (12) is arranged in the protective sleeve pipe (13), the front end of the curvature adjusting steel wire (12) is fixedly connected with the outer side of the head end of the spring hose (8), the rear end of the curvature adjusting steel wire (12) is connected with the curvature adjusting rod (15) in the protective sleeve handle (14), and the curvature adjusting rod (15) is in sliding connection with the protective sleeve handle (14).

2. The multi-curvature adjustable rotatable repeatedly openable and closable tissue clip of claim 1 wherein: the side wall of the sheath handle (14) is axially provided with a chute with a T-shaped cross section, and the curvature adjusting rod (15) is in a T shape and is matched with the chute.

3. The multi-curvature adjustable rotatable repeatedly openable and closable tissue clip of claim 1 wherein: the curvature adjusting steel wire (12) is positioned in a gap between the spring hose (8) and the sheath tube (13).

4. The multi-curvature adjustable rotatable repeatedly openable and closable tissue clip of claim 1 wherein: the inner wall of the sheath tube (13) is provided with an axial groove, the axial groove penetrates through two ends of the sheath tube (13), and the curvature adjusting steel wire (12) is embedded in the axial groove.

5. The multi-curvature adjustable rotatable repeatedly openable and closable tissue clip of claim 1 wherein: an axial channel is arranged in the side wall of the sheath tube (13), and the curvature adjusting steel wire (12) passes through the axial channel.

6. The multi-curvature adjustable rotatable, repeating open and close tissue clip of claim 3 or 4 or 5, wherein: the sheath tube (13) is 15-20 cm shorter than the spring hose (8).

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