CN210811308U - Hemostatic clamp - Google Patents

Abstract

The utility model relates to a hemostatic clamp, belonging to the technical field of medical instruments. The first clamping part of the hemostatic clamp comprises a first clamping arm, a second clamping arm and a first clamping force mechanism; the first clamping arm and the second clamping arm can be attached and clamped; the first clamping force mechanism is connected with the first clamping arm and the second clamping arm and used for providing clamping force; the opening and closing of the first clamping arm and the second clamping arm can be realized by controlling the first clamping force mechanism; the second clamping part comprises a third clamping arm, a fourth clamping arm and a second clamping force mechanism; the structure and the function are the same as those of the first clamping component; the end part of the first clamping arm is hinged with the end part of the third clamping arm; the end part of the second clamping arm is hinged with the end part of the fourth clamping arm. The hemostatic clamp realizes semi-surrounding type local clamping of the blood vessel, effectively reduces unnecessary operation of stripping the blood vessel from surrounding tissues during operation, saves operation time and reduces operation risk.

Description

Hemostatic clamp

Technical Field

The utility model relates to the technical field of medical equipment, in particular to hemostatic clamp.

Background

Laparoscopic surgery is a minimally invasive surgical method, and many conventional open surgeries have been replaced by laparoscopic surgery due to the development of laparoscopic instrument manufacturing techniques and the improvement of the operating ability of laparoscopic surgery by surgeons. In the operation process, a hemostatic clamp is often needed to stop bleeding of the blood vessel. The existing hemostatic clips are transversely clipped on a blood vessel in the using process, namely, two hemostatic clips are respectively clipped at the front end and the rear end of the damaged blood vessel to block the blood vessel, thereby achieving the purpose of hemostasis.

For the deep blood vessel, because the blood vessel buries in the tissue around, when adopting current hemostatic clamp to stanch, need separate blood vessel and the tissue around the blood vessel, just can use hemostatic clamp to carry out the centre gripping operation, cost unnecessary operation and time, bring other risks of destroying the tissue simultaneously, bring the burden for the art person.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: aiming at the problems that when the existing hemostatic clamp is used, a blood vessel and tissues around the blood vessel need to be separated, and the operation is increased, the hemostatic clamp is provided, the local clamping of the wound of the blood vessel can be realized, the blood vessel and the tissues around the blood vessel do not need to be completely separated, and the unnecessary operation in the operation process is reduced.

In order to realize the purpose, the utility model discloses a technical scheme be:

a hemostatic clamp comprising a first clamping member, a second clamping member;

the first clamping part comprises a first clamping arm, a second clamping arm and a first clamping force mechanism;

the first clamping arm and the second clamping arm can be attached and clamped; the first clamping force mechanism is connected with the tail parts of the first clamping arm and the second clamping arm and is used for providing clamping force; the opening and closing of the first clamping arm and the second clamping arm can be realized by controlling the first clamping force mechanism; the second clamping part comprises a third clamping arm, a fourth clamping arm and a second clamping force mechanism; the third clamping arm and the fourth clamping arm can be attached and clamped; the second clamping force mechanism is connected with the tail parts of the third clamping arm and the fourth clamping arm and is used for providing clamping force; the third clamping arm and the fourth clamping arm can be opened and closed by controlling the second clamping force mechanism;

the end part of the first clamping arm is hinged with the end part of the third clamping arm; the end part of the second clamping arm is hinged with the end part of the fourth clamping arm.

The utility model discloses a two clips are relative to correspond the articulated mode with the tip of arm lock, make the clamping part of hemostatic clamp be continuous half-enclosure form, can realize the local centre gripping of half-enclosure to the blood vessel. The corresponding first clamping arm and the corresponding third clamping arm can be connected in a manner of realizing rotary connection through hinging and the like, and similarly, the second clamping arm and the fourth clamping arm are also connected in the same manner. The clamping force mechanism provides clamping force for the clamping arms, and can be in a pug type, an elastic clamping piece and the like which are common in the existing clamps. The two clamping force mechanisms are arranged, so that the clamping force of the vascular clamp on the blood vessel is larger, and the vascular clamp is prevented from slipping off.

Before using, the hemostatic clamp is the linear type, conveniently gets into the patient abdominal cavity through peritoneoscope operation hole, adjusts the hemostatic clamp into the V type through surgical instruments, appears the V type by first arm lock, third arm lock and the clamping part that second arm lock and fourth arm lock formed. Clamping the V-shaped clamping part to the position of the vascular wound by operating the clamping mechanism; the blood vessel is locally clamped.

As the preferable proposal of the utility model, the utility model also comprises a fifth clamping arm and a sixth clamping arm; the fifth clamping arm and the sixth clamping arm can be attached and clamped;

one end of the fifth clamping arm is hinged with the end part of the first clamping arm, and the other end of the fifth clamping arm is hinged with the end part of the third clamping arm;

one end of the sixth clamping arm is hinged to the end of the second clamping arm, and the other end of the sixth clamping arm is hinged to the end of the fourth clamping arm.

Through increasing fifth arm lock and sixth arm lock for the clamping part presents for the U-shaped, is applicable to the great blood vessel of centre gripping wound.

As the preferred scheme of the utility model, the fifth arm lock with the sixth arm lock is the arc.

The arc refers to that after the fifth clamping arm and the sixth clamping arm are attached and clamped, the projection in the clamping direction is arc. The arc-shaped arrangement enables the clamping part to be smoother, and reduces the influence on surrounding tissues.

As the preferred scheme of the utility model, fifth arm lock, sixth arm lock are the arm lock that forms by multistage arm lock section order is articulated.

The fifth clamping arm is formed by hinging a plurality of clamping arm sections end to end; the sixth clamping arm is also formed by hinging a plurality of clamping arm sections end to end; can laminate the centre gripping between the relative arm lock section. The shape of the clamping part is convenient to adjust. Preferably, each arm is divided into 2-5 sections. Too many segments will cause a decrease in the clamping force.

As the preferred scheme of the utility model, the fifth arm lock sixth arm lock is the arm lock that comprises 2-3 sections arm lock.

When the number of the connecting parts is 2-3, the clamping force of the hemostatic clamp is better.

As a preferable aspect of the present invention, the first clamping mechanism and/or the second clamping mechanism includes an elastic member, and when the elastic member receives an external force, the corresponding pair of clamping arms is opened; when the external force is eliminated, the corresponding pair of clamping arms is clamped.

In the novel application model, each clamping force mechanism is connected with two corresponding clamping arms; namely, the first clamping force mechanism is connected with the first clamping arm and the second clamping arm, and the second clamping force mechanism is connected with the third clamping arm and the fourth clamping arm. The first clamping force mechanism and the second clamping force mechanism both comprise elastic components. When the elastic part is deformed by external force, the connected clamping arms are opened; when the external force is eliminated, the corresponding pair of clamping arms are clamped together.

As a preferred embodiment of the present invention, the elastic member is a U-shaped elastic member, and provides a clamping force to the clamp arm. The elastic component both ends are equipped with the connector of obtuse angle Z shape, connector fixed connection arm lock.

The clamping force device is a structure of a common harpoon type clamp in medical appliances. The structure utilizes the property of the elastic material to avoid excessive components, and the structure is simple.

As a preferred embodiment of the present invention, the elastic member is a torsion spring.

The torsional spring makes the power of pressing from both sides bigger, provides bigger clamping-force to pressing from both sides the arm, and the centre gripping is more stable.

In a preferred embodiment of the present invention, the elastic member may be a spring. The spring coupling two bracing pieces of articulated each other, the bracing piece is kept away from the one end fixed connection arm lock of spring.

The clamping force mechanism with the structure can provide larger clamping force by using the elastic force of the spring.

The hemostatic clamp can be used in various surgical scenes, and the operation time is saved; due to the foldable design, the utility model can be conveniently applied to the laparoscopic surgery. When the blood vessel is thick and the wound is small, the blood vessel is not required to be clamped completely, and only the wound of the blood vessel needs to be clamped locally to realize the hemostatic effect. The unclamped part of the blood vessel is still available for blood circulation. Avoiding the extra operation risk brought by insufficient blood supply.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the hemostatic clamp for the operation can realize the local clamping of the vascular wound, does not need to separate the blood vessel from the surrounding tissues, reduces unnecessary operation in the operation process and lightens the burden of an operator.

2. The surgical hemostatic clamp can be switched between a linear shape and a bent shape, and can conveniently pass through an operation hole during laparoscopic surgery.

Drawings

Fig. 1 is a schematic structural view of embodiment 1 of the present invention, wherein the clamping arm is in an open state.

Fig. 2 is a schematic side view of the structure of embodiment 1 of the present invention.

Fig. 3 is a schematic plan view of the structure of embodiment 1 of the present invention.

Fig. 4 is a schematic view of the use of embodiment 1 of the present invention.

Fig. 5 is a schematic side view of the structure of embodiment 2 of the present invention.

Fig. 6 is a schematic plan view of embodiment 2 of the present invention.

Fig. 7 is a schematic view of embodiment 2 of the present invention.

Fig. 8 is a schematic top view of embodiment 3 of the present invention.

The labels in the figure are: 11-first clamping arm, 12-second clamping arm, 21-third clamping arm, 22-fourth clamping arm, 6-first clamping mechanism, 61-spring, 62-support rod, 63-connecting shaft, 3-fifth clamping arm, 31-rivet, 8-blood vessel and 81-blood vessel wound.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1-3, the hemostatic clamp of the present invention comprises a first clamping member and a second clamping member, wherein the first clamping member is provided with a first clamping arm 11, a second clamping arm 12, and a first clamping force mechanism 6; the second clamping component is arranged in the same way as the first clamping component; the second clamping part is provided with a third clamping arm 21, a fourth clamping arm 22 and a second clamping force mechanism. The first clamping force mechanism 6 in this embodiment is composed of two support rods 62, a connecting shaft 63 connecting the two support rods, and a spring 61 connecting and supporting the tail portions of the two support rods. The other ends of the two support rods are respectively connected with a first clamping arm 11 and a second clamping arm 12. Similarly, the second clamping component also adopts the same clamping force mechanism and connecting arrangement. The corresponding first clamping arm 11 and the corresponding third clamping arm 21 are riveted through a rivet 31; similarly, the second clip arm 12 and the fourth clip arm 22 are riveted by another rivet. As shown in fig. 4, when the hemostatic clamp is used to clamp the blood vessel 8, only a part of the blood vessel needs to be clamped to prevent blood from flowing out of the blood vessel wound 81.

Example 2

As shown in fig. 5-6, the hemostatic clamp of the present invention is different from embodiment 1 in that the clamping force mechanism (including the first clamping force mechanism and the second clamping force mechanism) is made of elastic material; the clamping force mechanism and the connected clamping arm are manufactured integrally. Similar to the harpoon clamp (Bulldog Clamps) form used in the art. In addition, the clamp also comprises a fifth clamping arm 3 and a sixth clamping arm; one end of the fifth clamping arm is rotatably connected with the first clamping arm 11 through a rivet 31; the other end of the fifth clamping arm is rotationally connected with the third clamping arm 21 through a rivet; similarly, the second clamping arm 12 and the fourth clamping arm 22 are connected to both ends of the sixth clamping arm in the same connection manner. As shown in fig. 7, when the blood vessel 8 is clamped by using the hemostatic clamp, only a part of the blood vessel is clamped, and blood is prevented from flowing out of the blood vessel wound 81.

Example 3

In this embodiment, as shown in fig. 8, the difference from embodiment 2 is that the fifth arm 3 connecting the corresponding first arm 11 and second arm 12 is arc-shaped, and the sixth arm connecting the second arm 12 and fourth arm 22 is also arc-shaped.

Example 4

In this embodiment, the difference from embodiment 2 is that the fifth clamp arm 3 is two sections which are hinged to each other; the corresponding sixth clamping arm is also divided into two sections which are connected in a hinged mode.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. A hemostatic clip comprising a first clamping member, a second clamping member;

the first clamping part comprises a first clamping arm, a second clamping arm and a first clamping force mechanism;

the first clamping arm and the second clamping arm can be attached and clamped; the first clamping force mechanism is connected with the first clamping arm and the second clamping arm and used for providing clamping force; the opening and closing of the first clamping arm and the second clamping arm can be realized by controlling the first clamping force mechanism;

the second clamping part comprises a third clamping arm, a fourth clamping arm and a second clamping force mechanism;

the third clamping arm and the fourth clamping arm can be attached and clamped; the second clamping force mechanism is connected with the third clamping arm and the fourth clamping arm and used for providing clamping force; the third clamping arm and the fourth clamping arm can be opened and closed by controlling the second clamping force mechanism;

the end part of the first clamping arm is hinged with the end part of the third clamping arm;

the end part of the second clamping arm is hinged with the end part of the fourth clamping arm.

2. The hemostatic clip of claim 1, further comprising a fifth clip arm and a sixth clip arm;

the fifth clamping arm and the sixth clamping arm can be attached and clamped;

one end of the fifth clamping arm is hinged with the end part of the first clamping arm, and the other end of the fifth clamping arm is hinged with the end part of the third clamping arm;

one end of the sixth clamping arm is hinged to the end of the second clamping arm, and the other end of the sixth clamping arm is rotatably connected to the end of the fourth clamping arm.

3. The hemostatic clip of claim 2, wherein the fifth and sixth clip arms are arcuate.

4. The hemostatic clamp of claim 2, wherein the fifth and sixth clamping arms are clamping arms formed by sequentially hinging multiple clamping arm segments.

5. The hemostatic clip of claim 4, wherein the fifth and sixth clip arms are clip arms comprised of 2-3 clip arm segments.

6. The hemostatic clip of claim 1, wherein the first and/or second clip force mechanisms comprise resilient members that, when subjected to an external force, expand the respective pair of clip arms; when the external force is eliminated, the corresponding pair of clamping arms is clamped.

7. The hemostatic clip of claim 6, wherein the resilient member is a U-shaped resilient member or a torsion spring.

8. The hemostatic clip of claim 6, wherein the resilient member is a spring.

Images