CN214805000U - Tissue clamp - Google Patents

Abstract

The utility model discloses an organize and press from both sides, relate to medical instrument technical field, including subassembly and at least three arm lock that opens and shuts, the subassembly that opens and shuts includes tractive component, joint component and spacing component, tractive component's one end is used for connecting conveyor, tractive component's the other end and joint component fixed connection, spacing component is used for can dismantling with conveyor and is connected, and each arm lock sets up around spacing component's circumference, the one end of arm lock is rotated and is connected on spacing component, the other end of arm lock is the exposed core, the exposed core extends to the direction of keeping away from spacing component, tractive component can drive the joint component and remove, and the joint component can drive each exposed core and be close to each other to the closure, and make each arm lock fix at closed state. The tissue clamp can enlarge the clamping range and reduce the operation risk.

Description

Tissue clamp

Technical Field

The utility model relates to the technical field of medical equipment, specifically relate to a tissue clamp.

Background

Tissue clips, also known as hemostatic clips, are commonly used for closing and stopping bleeding of wound tissues of digestive tract mucosa, and have the principle that the cracked wound of a wound is closed through the clamping effect of the clips, so that the tissue clips play a role in closing and stopping bleeding.

The tissue clamp adopted in clinic at present is a double-arm titanium clamp, but the double-arm titanium clamp has certain limitation in clinical application, wherein the main problem is that the opening angle of a clamping arm is limited, the clamping range of double arms is basically the range of arm expansion, and the clamping range is very limited. Clinically, for larger wounds and wounds with irregular shapes, effective clamping cannot be realized through a single double-arm titanium clamp, and the wounds can be closed more safely basically by using a plurality of double-arm titanium clamps in a combined manner or by using a method of combining the double-arm titanium clamps with nylon rope purse-string suture.

Therefore, according to the existing places needing improvement, on one hand, cost is increased undoubtedly by using a plurality of titanium clamps on one wound surface, on the other hand, the difficulty coefficient of operation in the operation process is increased by the plurality of titanium clamps, the operation time is correspondingly prolonged, the operation risk is increased, and meanwhile, the risk of various complications also exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a tissue clamp to solve the problem that above-mentioned prior art exists, enlarge the range of closing of the clamp of tissue clamp, reduce the operation risk.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides an organize and press from both sides, including subassembly and at least three arm lock that opens and shuts, the subassembly that opens and shuts includes tractive component, joint component and spacing component, tractive component's one end is used for connecting conveyor, tractive component's the other end with joint component fixed connection, spacing component is used for dismantling with conveyor and is connected, and each the arm lock centers on spacing component's circumference sets up, the one end of arm lock is rotated and is connected on the spacing component, the other end of arm lock is the exposed core, the exposed core is to keeping away from spacing component's direction extends, tractive component can drive the joint component removes, just the joint component can drive each the exposed core is close to each other to the closure to make each the arm lock is fixed at closed state.

Preferably, the outer wall of the limiting element is provided with a plurality of grooves, each groove penetrates through the limiting element in a direction parallel to the central axis of the limiting element, a connecting rod is fixed in each groove, two ends of each connecting rod are fixed on two opposite inner walls of each groove, each connecting rod is perpendicular to the central axis of the limiting element, one clamping arm corresponds to each groove and one connecting rod, one end of each clamping arm is rotatably connected to each connecting rod, and each clamping arm can rotate around the central axis of each connecting rod.

Preferably, a clamping groove is formed in the position, corresponding to the connecting rod, of the clamping arm, the clamping groove can be clamped on the connecting rod, and the connecting rod can rotate relative to the clamping groove.

Preferably, the middle part of spacing component is equipped with the through-hole, the through-hole be used for the tractive component with the joint component passes through, the biggest cross-sectional area of joint component is greater than the cross-sectional area of through-hole, just the joint component is made for elastic material, the joint component can certainly a lateral of spacing component the opposite side unidirectional movement of spacing component.

Preferably, the joint component is the cone, the summit of cone is kept away from the exposed core sets up, just the bottom surface diameter of cone is greater than the internal diameter of through-hole, the tractive component is fixed the summit of cone, and can drive the cone passes completely the through-hole blocks in one side of through-hole.

Preferably, at least three pulling lines are circumferentially fixed on the bottom surface of the cone, one pulling line corresponds to one clamping arm, one end of the pulling line is fixed on the periphery of the bottom surface of the cone, the other end of the pulling line is fixed on the clamping arm, and the pulling line can drive each clamping arm to be in a closed state.

Preferably, the pulling element and the pulling wire are both titanium wires.

Preferably, the clamping arm is provided with a containing groove at one side close to the central shaft of the limiting element, the opening of the containing groove faces the central shaft of the limiting element, the containing groove is close to the clamping arm and is far away from one end of the limiting element, the bottom surface of the containing groove is provided with a clamping hole, the clamping hole is communicated with the clamping arm in the thickness direction of the clamping arm, and the clamping arm hole is used for a mucous membrane to pass through.

Preferably, a pawl is fixedly arranged at one end, far away from the limiting element, of the clamping arm, and the pawl is used for hooking the edge of the wound surface.

The utility model discloses for prior art gain following technological effect:

the tissue clamp provided by the utility model has no less than three clamping arms, can improve the opening and closing range of the whole tissue clamp compared with the existing double-arm titanium clamp, and has better clamping and closing effects on irregular wound surfaces, the number of tissue clamps required by the closure is reduced to a certain extent, the surgical risk is reduced, each clamping arm is arranged around the circumference of the limiting element, one end of each clamping arm is rotationally connected to the limiting element, so as to realize the opening and closing actions through the rotation of the clamping arms, the clamping element is positioned at one side of the limiting element, and the traction element can drive the clamping element to move and drive the clamping ends to be close to each other in the moving process of the clamping element, and all the clamping arms are fixed in a closed state to realize the closing of the tissue clamp and the clamping of the tissue clamp on the wound surface, meanwhile, the closing mode can be suitable for the matching use of a plurality of clamping arms, and the clamping range of the tissue clamp is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a tissue clip according to the present invention;

FIG. 2 is an exploded view of a tissue clip provided by the present invention;

FIG. 3 is a top view of the tissue clip of FIG. 1;

FIG. 4 is a top view of a tissue clip with clip arms in a closed position;

FIG. 5 is a front view of a clamp arm of the tissue clamp of the present invention;

FIG. 6 is a right side view of the clamp arm of FIG. 1;

FIG. 7 is a top view of a stop element of the tissue clip provided by the present invention;

in the figure: 100-tissue clamp, 1-opening and closing component, 11-traction component, 12-clamping component, 13-limiting component, 131-groove, 132-connecting rod, 133-through hole, 14-traction line, 2-clamping arm, 21-accommodating groove, 22-clamping closed hole, 23-pawl and 24-clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing a tissue clamp to it is little to solve the switching scope that current both arms titanium pressed from both sides, and the titanium that needs when the surface of a wound is closed presss from both sides many, and then influences the technical problem of operation security.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-7, the utility model provides a tissue clip 100, which is used in combination with a gastrointestinal endoscope, and is mainly used for clipping wound surfaces, and comprises an opening and closing assembly 1 and at least three clipping arms 2, wherein the number of the clipping arms 2 is not less than three, the opening and closing range of the whole tissue clip 100 can be improved compared with the existing double-arm titanium clip, and the clipping and closing effect on the wound surfaces with irregular shapes is better, the number of the tissue clips 100 required for closing is reduced to a certain extent, and the operation risk is reduced, the opening and closing assembly 1 comprises a traction element 11, a clamping element 12 and a limiting element 13, one end of the traction element 11 is used for connecting a conveying device, so that medical staff can control the movement of the traction element 11 outside the body of a patient through the conveying device, and is combined with the gastrointestinal endoscope to realize the operation visualization, the other end of the traction element 11 is fixedly connected with the clamping element 12, so as to drive the clamping element 12 to move, the limiting element 13 is detachably connected with the conveying device so as to be conveyed into a patient body under the driving of the conveying device, the conveying device is a spring tube and a handle which are generally applied clinically, the tissue clamp 100 is connected with the spring tube by virtue of a jacket, the tissue clamp 100 is placed into the wound position in the patient body under the action of the handle, a titanium wire in the spring tube is connected with a sliding handle outside the spring tube, the tissue clamp 100 is closed by acting the titanium wire in the spring tube on the traction element 11, each clamping arm 2 is arranged around the circumferential direction of the limiting element 13, one end of each clamping arm 2 is rotatably connected onto the limiting element 13, so that one end of each clamping arm 2 can be mutually close to the closed wound when rotating, the other end of each clamping arm 2 is a clamping end, the clamping end extends in the direction far away from the limiting element 13 so as to be convenient to touch the wound and be closed, the traction element 11 can drive the clamping element 12 to move, and in the course that joint component 12 removed, drive each centre gripping end and be close to each other to closed, joint component 12 can block in one side of spacing component 13 after removing to target in place, thereby prevent that joint component 12 from returning to initial position, then each arm lock 2 is fixed at the closure state (the closure state is that the one end of keeping away from spacing component 13 on each arm lock 2 is close to each other to can carry the surface of a wound), realize that the closure of tissue clamp 100 and the clamp of tissue clamp 100 to the surface of a wound close, this kind of closure mode can be applicable to the cooperation of a plurality of arm locks 2 simultaneously and use, improve the clamp scope of tissue clamp 100.

Specifically, the outer wall of the position-limiting element 13 is provided with a plurality of grooves 131, and each groove 131 is uniformly and circumferentially arranged around the outer wall of the position-limiting element 13, each groove 131 penetrates the position-limiting element 13 in a direction parallel to the central axis of the position-limiting element 13, that is, each groove 131 penetrates the position-limiting element 13 in the thickness direction of the position-limiting element 13, so as to ensure the normal rotation of the clamping arms 2, each groove 131 is fixed with a connecting rod 132, two ends of the connecting rod 132 are fixed on two opposite inner walls of the groove 131, respectively, the connecting rod 132 is perpendicular to the central axis of the position-limiting element 13, and one clamping arm 2 corresponds to one groove 131 and one connecting rod 132, preferably, the number of the clamping arms 2 is three, that is, the number of the corresponding grooves 131 and the corresponding connecting rods 132 is also three, but in the tissue clamp 100 provided by the present invention, the number of the clamping arms 2 is not limited to three, as long as the wound surface can be used in a closed manner, and guarantee closed effect can, the one end of each arm lock 2 all rotates to be connected on connecting rod 132, and arm lock 2 can rotate around the center pin of connecting rod 132 to the one end of keeping away from spacing component 13 on guaranteeing each arm lock 2 can rotate to being close to each other or keeping away from, realizes the closed function of tissue clamp 100 when being close to each other.

The position that corresponds connecting rod 132 on arm lock 2 is equipped with draw-in groove 24, draw-in groove 24 can block on connecting rod 132, avoid arm lock 2 to drop, and connecting rod 132 can take place relative rotation with draw-in groove 24, draw-in groove 24 can rotate around connecting rod 132 promptly, realize arm lock 2's rotation, as another kind of embodiment, the both ends of connecting rod 132 are rotated and are connected on two relative inner walls of recess 131, and arm lock 2 passes through draw-in groove 24 to be fixed on connecting rod 132, thereby arm lock 2 is when rotating, drive connecting rod 132 at recess 131 internal rotation, realize arm lock 2 and spacing component 13's being connected better, the security of use improves.

The middle part of the limiting element 13 is provided with a through hole 133, the through hole 133 is used for the traction element 11 and the clamping element 12 to pass through, so as to realize the closing and fixing of the clamping arm 2, the maximum cross-sectional area of the clamping element 12 is larger than that of the through hole 133, the clamping element 12 is made of elastic material, and the clamping element 12 can move from one side of the limiting element 13 to the other side of the limiting element 13 in a single direction, so that the clamping element 12 is ensured to drive the clamping arm 2 to be closed, and the clamping arm 2 is fixed in a closed state, so as to realize the clamping of the wound surface.

The clamping element 12 is a cone, when each clamping arm 2 is in an unfolded state, the vertex of the cone is far away from the clamping end, the diameter of the bottom surface of the cone is larger than the inner diameter of the through hole 133, the traction element 11 is fixed at the vertex of the cone and can drive the cone to completely penetrate through the through hole 133 and be clamped at one side of the through hole 133, when the traction element 11 drives the cone to move, the vertex of the cone firstly passes through the through hole 133, the cone can completely pass through the through hole 133 due to the elasticity of the cone, meanwhile, the cone recovers the original shape after completely passing through the through hole 133 due to the elastic restoring force, the cross-sectional area of the bottom surface of the cone is still larger than the through hole 133, and therefore the cone is clamped at one side of the through hole 133, namely the bottom surface of the cone is contacted with one side of the through hole 133, and the outer edge of the bottom surface of the cone extends towards the direction far away from the center of the through hole 133.

At least three pulling wires 14 are circumferentially fixed on the bottom surface of the cone, preferably, the pulling wires 14 are titanium wires, have certain hardness, and can play a certain supporting function, so as to ensure that each clamping arm 2 is in an expanded state in an initial state, and conveniently hook each side wall of a wound surface, one pulling wire 14 corresponds to one clamping arm 2, one end of the pulling wire 14 is fixed on the periphery of the bottom surface of the cone, the other end of the pulling wire 14 is fixed on the clamping arm 2, and the pulling wire 14 can drive each clamping arm 2 to be in a closed state, in the actual use process, the limiting element 13 and each clamping arm 2 are accommodated in the spring tube, and the tissue clamp 100 is conveyed into a patient body through the conveying device to reach the position of the wound surface, the tissue clamp 100 is pushed out of the spring tube by means of the internal wire of the spring tube, then the pulling element 11 is controlled by the internal wire to move towards the direction far away from the wound surface, and the position of the limiting element 13 is fixed, thereby make pulling element 11 drive the cone to the position removal of keeping away from the surface of a wound, meanwhile, the cone drives each arm lock 2 through pulling wire 14 and uses connecting rod 132 as the center to rotate to the direction that is close to each other, until the cone passes through the through-hole 133 completely and reaches the opposite side of spacing element 13, and the cone card is in one side of spacing element 13, continue pulling element 11 outwards, because each arm lock 2 has been closed, and pulling wire 14 can't extend, make pulling element 11 and conveyor disconnection, keep tissue clamp 100 in the surface of a wound department, and the cone card is in one side of spacing element 13, thereby restrict each arm lock 2 and open, realize the clamping of the surface of a wound and close.

The traction element 11 is a titanium wire, has a certain supporting capacity, and can be bent without affecting the opening and closing of the clamping arm 2.

One side that is close to spacing component 13 center pin on arm lock 2 is equipped with storage tank 21, can alleviate arm lock 2's whole weight, storage tank 21's opening sets up towards spacing component 13's center pin, storage tank 21's setting can guarantee that each arm lock 2 is when closing, form a cavity between each storage tank 21, thereby extruded mucosa polymerization is in the cavity, stability when guaranteeing that arm lock 2 closes and storage tank 21 are close to the one end setting of keeping away from spacing component 13 on arm lock 2, clamping hole 22 has been seted up to storage tank 21's bottom surface, clamping hole 22 link up arm lock 2 in arm lock 2's thickness direction, and arm lock 2 hole is used for the mucosa to pass through, under the closure state, extruded mucosa can see through each clamping hole 22 out, thereby greatly increased clamping stability, prevent to organize and press from pressing from both sides 100 and drop at clamping in-process.

The pawl 23 is fixedly arranged at one end, far away from the limiting element 13, of the clamping arm 2, and the pawl 23 is sharp at the front end and is bent, so that the edge of a wound surface can be conveniently hooked, and the side walls of the wound surface are mutually gathered under the driving of the pawls 23 until the wound surface is closed.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.

Claims (9)

1. A tissue clip, comprising: including opening and shutting subassembly and at least three arm lock, the subassembly that opens and shuts includes tractive component, joint component and spacing component, the one end of tractive component is used for connecting conveyor, the other end of tractive component with joint component fixed connection, spacing component is used for dismantling with conveyor and is connected, and each the arm lock centers on spacing component's circumference sets up, the one end of arm lock is rotated and is connected on spacing component, the other end of arm lock is the exposed core, the exposed core is to keeping away from spacing component's direction extends, tractive component can drive the joint component removes, just the joint component can drive each the exposed core is close to each other to the closure, and makes each the arm lock is fixed at closed state.

2. The tissue clip of claim 1, wherein: the outer wall of the limiting element is provided with a plurality of grooves, each groove penetrates through the limiting element in a direction parallel to the central axis of the limiting element, a connecting rod is fixed in each groove, two ends of each connecting rod are fixed on two opposite inner walls of each groove, each connecting rod is perpendicular to the central axis of the limiting element, one clamping arm corresponds to each groove and each connecting rod, one end of each clamping arm is rotatably connected to each connecting rod, and each clamping arm can rotate around the central axis of each connecting rod.

3. The tissue clip of claim 2, wherein: the position of the clamping arm corresponding to the connecting rod is provided with a clamping groove, the clamping groove can be clamped on the connecting rod, and the connecting rod can rotate relative to the clamping groove.

4. The tissue clip of claim 3, wherein: the middle part of spacing component is equipped with the through-hole, the through-hole is used for the tractive component with the joint component passes through, the biggest cross-sectional area of joint component is greater than the cross-sectional area of through-hole, just the joint component is made for elastic material, the joint component can certainly a lateral direction of spacing component the opposite side unidirectional movement of spacing component.

5. The tissue clip of claim 4, wherein: the clamping element is a cone, the vertex of the cone is far away from the clamping end, the diameter of the bottom surface of the cone is larger than the inner diameter of the through hole, the traction element is fixed at the vertex of the cone and can drive the cone to completely penetrate through the through hole and be clamped at one side of the through hole.

6. The tissue clip of claim 5, wherein: at least three pulling lines are circumferentially fixed on the bottom surface of the cone, one pulling line corresponds to one clamping arm, one end of the pulling line is fixed on the periphery of the bottom surface of the cone, the other end of the pulling line is fixed on the clamping arm, and the pulling line can drive each clamping arm to be in a closed state.

7. The tissue clip of claim 6, wherein: the traction element and the traction line are both titanium wires.

8. The tissue clip of claim 1, wherein: be close to on the arm lock one side of spacing component center pin is equipped with the storage tank, the opening orientation of storage tank spacing component's center pin sets up, just the storage tank is close to keep away from on the arm lock spacing component's one end sets up, the bottom surface of storage tank has been seted up and has been pressed from both sides the obturator, it is in to press from both sides the obturator link up in the thickness direction of arm lock the arm lock, just the arm lock hole is used for the mucous membrane to pass through.

9. The tissue clip of claim 1, wherein: and a pawl is fixedly arranged at one end of the clamping arm far away from the limiting element and is used for hooking the edge of the wound surface.

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