CN213249451U - Damage-proof hemostatic clamp - Google Patents

Abstract

The utility model relates to the technical field of medical instruments, and provides an anti-injury hemostatic clamp, which comprises a first clamp arm and a second clamp arm; the first clamping arm is provided with a closing hook, the second clamping arm is provided with a closing groove, and the closing hook is clamped and matched with the closing groove; the first clamping arm is provided with a tip protection assembly, one end of the tip protection assembly is connected with the inner side face of the first clamping arm, and the other end of the tip protection assembly extends upwards to shield or wrap the tip of the closed hook. The utility model has the advantages that: the tip protection component is arranged to protect the tip of the closing hook, so that the closing hook can be prevented from contacting with the vessel wall when in use, and the hemostatic clamp can be prevented from falling off or the vessel wall is prevented from being damaged; the utility model discloses can ensure the accurate location blood vessel of hemostatic clamp, reduce the waste of consumptive material, improve operation efficiency, be fit for clinical popularization.

Description

Damage-proof hemostatic clamp

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an injury prevention hemostatic clamp.

Background

Currently, laparoscopic surgery is becoming more common clinically. Among them, the medical device which is used in laparoscopy is a hemostatic clamp. When the blood vessel is broken and can not be coagulated by the electrocoagulation knife, the hemostatic clamp is clamped to the blood vessel to be hemostatic by the clamp applicator, and the hemostatic clamp is clamped and closed to be fixed on the blood vessel, so that the hemostatic effect is achieved.

However, conventional hemostatic clips have a drawback in that the closure hooks on the clip tend to snag on the blood vessel when the clip is improperly placed and needs to be readjusted. At this time, the hemostatic clamp falls off from the clamp applier when the hemostatic clamp is light, and the blood vessel is lacerated when the hemostatic clamp is heavy.

Therefore, an anti-injury hemostatic clamp is urgently needed in clinic.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a damage prevention hemostatic clamp is provided, the closure on the hemostatic clamp hooks the blood vessel when it can avoid using to cause the hemostatic clamp to drop or the vascular wall damage.

The utility model discloses a following technical scheme solves above-mentioned technical problem:

an injury-preventing hemostatic clamp comprises a first clamping arm and a second clamping arm; the first clamping arm is provided with a closing hook, the second clamping arm is provided with a closing groove, and the closing hook is clamped and matched with the closing groove; the first clamping arm is provided with a tip protection assembly, one end of the tip protection assembly is connected with the inner side face of the first clamping arm, and the other end of the tip protection assembly extends upwards to shield or wrap the tip of the closed hook. Based on the above design, the utility model discloses a set up most advanced protection subassembly and protect the closure to collude most advanced, the closure is colluded and the vascular wall contact when can preventing to avoid hemostatic clamp to drop or vascular wall damage.

As one preferable mode of the present invention, one end of the first clamping arm is connected to one end of the second clamping arm, and an elastic hinge is disposed at a connection point between the first clamping arm and the second clamping arm; the other end of first arm lock is provided with the closure colludes, the other end of second arm lock is provided with the closed groove, the closure collude with the closed groove joint cooperation, so that hemostatic clamp realizes the inseparable centre gripping to blood vessel. Wherein, the elastic hinge can provide enough folding space between the clamping arms, and ensure that the hemostatic clamp can be opened and closed without resistance.

As one preferable mode of the present invention, the first and second clamp arms are arc-shaped arms, and the radians of the first and second clamp arms are matched; the inner side surface of the first clamping arm is a concave surface, and the inner side surface of the second clamping arm is a convex surface.

As one preferable mode of the present invention, the inner side surfaces of the first clamping arm and the second clamping arm are provided with tooth-shaped structures engaged with each other; the inner side surface of the first clamping arm is provided with a toothed bulge, and the inner side surface of the second clamping arm is provided with a toothed groove; or the inner side surface of the first clamping arm is provided with a toothed groove, and the inner side surface of the second clamping arm is provided with a toothed bulge; the dentate bulge is matched with the dentate groove, so that the blood vessel can be clamped by the hemostatic clamp.

As one of the preferable modes of the utility model, the two sides of the closed groove are respectively formed with a positioning block, and the back end of the closed hook is formed with a limiting block; two the locating piece with the spacing cooperation of stopper can be when opening hemostatic clamp in the operation later stage, does benefit to the user atress.

As one preferable mode of the present invention, the closed hook extends from an end of the first arm lock away from the second arm lock, and is formed by bending toward the first arm lock; the extending tail end of the closing hook is the tip.

As one of preferable modes of the present invention, the tip protection member is specifically an elastic pad, a film, or a sponge block.

As one of the preferable modes of the present invention, when the tip protection assembly is an elastic gasket, the elastic gasket has the following structure: one end of the elastic gasket is fixedly connected with the inner side face of the first clamping arm, and the other end of the elastic gasket extends upwards to be close to the tip of the closed hook in an inclined manner, and the tip of the closed hook is shielded. In this design, because the tip of the closure hook has been obscured by the gasket, there is no need to worry about the tip catching or damaging the vessel wall.

As one preferable mode of the present invention, when the tip protection member is a film, the film has a structure as follows: the film is arranged between the tip of the closing hook and the first clamping arm; one end of the film is fixedly connected with the inner side surface of the first clamping arm, and the other end of the film extends upwards in an inclined shape to wrap and connect the tip of the closing hook. In this design, there is no concern that the tip will catch on or damage the vessel wall because the tip of the closure hook is already covered by the film.

As one of the preferable modes of the present invention, when the tip end protection assembly is a sponge block, the structure of the sponge block is as follows: the sponge block is integrally arranged in a space between the closing hook and the first clamping arm; one end of the sponge block is fixedly connected with the inner side surface of the first clamping arm, and the other end of the sponge block extends upwards to wrap and connect the tip of the closing hook. In this design, there is no concern that the tip will catch on or damage the vessel wall because the tip of the closure hook is already covered by the sponge.

The utility model discloses compare prior art's advantage and lie in:

(1) the utility model protects the closed hook tip by arranging the tip protection component, which can prevent the closed hook from contacting with the vessel wall when in use, thereby avoiding the drop of the hemostatic clamp or the damage of the vessel wall; the utility model can ensure the accurate positioning of the blood vessel of the hemostatic clamp, reduce the waste of consumables, improve the operation efficiency and is suitable for clinical popularization;

(2) the elastic hinge is arranged at the joint of the first clamping arm and the second clamping arm, and can provide enough folding space between the clamping arms, so as to ensure that the hemostatic clamp can be opened and closed without resistance;

(3) the inner sides of the first clamping arm and the second clamping arm of the utility model are provided with the tooth-shaped structures which are mutually matched, and the blood vessel can be ensured to be clamped by the hemostatic clamp through the matching of the tooth-shaped bulge and the tooth-shaped groove;

(4) the hemostatic clamp of the utility model is also provided with a positioning block and a limiting block; the cooperation of locating piece and stopper can be when opening hemostatic clamp in the operation later stage, does benefit to the user atress.

Drawings

FIG. 1 is a view showing the entire construction of an atraumatic hemostatic clip according to example 1;

FIG. 2 is an overall view of the anti-injury hemostatic clamp of example 1 at another angle;

FIG. 3 is an overall configuration view of the atraumatic hemostatic clip of example 2;

FIG. 4 is an overall view of the anti-injury hemostatic clamp of example 2 at another angle;

FIG. 5 is an overall configuration view of the atraumatic hemostatic clip of example 3;

fig. 6 is an overall structure view of the anti-injury hemostatic clamp in another angle in embodiment 3.

In the figure: 1 is first arm lock, 11 for closed collude, 111 is most advanced, 12 are dentate bulges, 13 are the stopper, 2 is the second arm lock, 21 is the closed slot, 22 is the dentate recess, 23 is the locating piece, 3 is the elastic hinge, 4 are most advanced protection component, 41 are the elastic gasket, 42 is the film, 43 is the sponge piece.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in fig. 1-2, the injury-proof hemostatic clamp of the present embodiment includes a first clamping arm 1 and a second clamping arm 2; one end of the first clamping arm 1 is connected with one end of the second clamping arm 2, an elastic hinge 3 is arranged at the joint of the first clamping arm 1 and the second clamping arm 2, and the elastic hinge 3 can provide enough folding space between the two clamping arms to ensure that the hemostatic clamp is free from resistance when opened and closed; the other end of first arm lock 1 is provided with closed hook 11, and the other end of second arm lock 2 is provided with closed groove 21, and closed hook 11 cooperates with closed groove 21 joint to make hemostatic clamp realize the inseparable centre gripping to blood vessel. The closed hook 11 extends from an end of the first arm lock 1 away from the second arm lock 2, and is formed by bending towards the first arm lock 1, and the extending end of the closed hook 11 is a tip 111 thereof.

In order to prevent that the closure from colluding 11 and vascular wall contact when using to avoid hemostatic clamp to drop or vascular wall damage, the utility model discloses set up most advanced protection subassembly 4 and protect the closure to collude 11 most advanced 111 on first arm lock 1. Specifically, in this embodiment, the tip protection assembly 4 is an elastic pad 41, one end of the elastic pad 41 is fixedly connected to the inner side surface of the first clamping arm 1, and the other end of the elastic pad 41 extends upward to a tip 111 close to the closing hook 11 in an inclined manner, and shields the tip 111 of the closing hook 11. In this design, because the tip 111 of the closing hook 11 is shielded by the elastic pad 41, there is no fear that the tip 11 catches or damages the blood vessel wall.

Further, in this embodiment, the first clip arm 1 and the second clip arm 2 are specifically arc-shaped arms, and the radians of the two arms are matched. The inner side surface of the first clamping arm 1 is a concave surface, and the inner side surface of the second clamping arm 2 is a convex surface; the concave surface is matched with the convex surface, so that a relatively large clamping area is formed between the first clamping arm 1 and the second clamping arm 2.

Further, in this embodiment, the inner side surfaces of the first clip arm 1 and the second clip arm 2 are provided with tooth-shaped structures which are engaged with each other. Wherein, the inner side surface of the first clamping arm 1 is provided with a tooth-shaped bulge 12, and the inner side surface of the second clamping arm 2 is provided with a tooth-shaped groove 22; the dentations 12 are matched with the dentations grooves 22, so as to ensure that the hemostatic clamp clamps the blood vessel.

Further, in the present embodiment, positioning blocks 23 are respectively formed on both sides of the closing groove 21, and a limiting block 13 is formed on the back end of the closing hook 11. The two positioning blocks 23 are in spacing fit with the limiting block 13, so that the hemostatic clamp can be conveniently stressed when being opened in the later stage of an operation.

In addition, it should be noted that in this embodiment, the inner side surface of the first clamping arm 1 may also be a convex surface, and correspondingly, the inner side surface of the second clamping arm 2 is a concave surface; the adjustment of the concave-convex surface will not affect the application of the device of the embodiment as long as the concave-convex surface is adjusted appropriately.

In the present embodiment, the inner side surface of the first clamping arm 1 may be provided with a tooth-shaped groove 22, and correspondingly, the inner side surface of the second clamping arm is provided with a tooth-shaped protrusion 12; the adjustment of the tooth-shaped groove 22 and the tooth-shaped protrusion 12 can ensure that the hemostatic clamp clamps the blood vessel, and the application of the device of the embodiment is not affected.

The application method and principle of the device of the embodiment are as follows: in laparoscopic surgery, when the doctor needs to stanch blood vessels, the hemostatic clamp is carried by the clamp applier, so that the blood vessels to be stanched are positioned between the first clamping arm 1 and the second clamping arm 2, and because the tip 111 of the closing hook 11 is shielded by the elastic gasket 41, the worry that the tip 111 catches or damages the blood vessel walls is avoided. When the hemostatic clamp is in a proper position, the first clamping arm 1 and the second clamping arm 2 can be engaged by adjusting the clamp applier, and meanwhile, the elastic gasket 41 is pushed to the inner side of the tip 111 end of the closed hook 11, so that the tip 111 of the closed hook 11 can be exposed, and the closed hook 11 is matched with the closed groove 21, thereby clamping the cross section of the closed blood vessel. If the position of the blood vessel is not selected properly, the position of the hemostatic clamp can be adjusted, and as long as the elastic pad 41 is not pushed, the tip 111 of the closing hook 11 is not exposed, the hemostatic clamp can be adjusted freely without causing any damage to the blood vessel wall.

Example 2

As shown in fig. 3-4, the anti-injury hemostatic clamp of this embodiment is substantially the same as the structure of embodiment 1, and mainly differs therefrom in that: in this embodiment, the tip protection assembly 4 is embodied as a membrane 42. When the tip protection assembly 4 is a thin film 42: the film 42 is arranged between the tip 111 of the closing hook 11 and the first clamping arm 1; one end of the film 42 is fixedly connected with the inner side surface of the first clamping arm 1, and the other end thereof extends upwards in an inclined shape to wrap and connect the tip 111 of the closing hook 11. In this design, there is no concern that the tip 111 will catch on or damage the vessel wall because the tip 111 of the closure hook 11 is already covered by the film 42.

The application method and principle of the device of the embodiment are as follows: in laparoscopic surgery, when a doctor needs to stop bleeding of a blood vessel, the hemostatic clamp is carried by using the clamp applier, so that the blood vessel to be stopped bleeding is positioned between the first clamping arm 1 and the second clamping arm 2, and because the tip 111 of the closing hook 11 is wrapped by the film 42, the worry that the tip 111 catches or damages the blood vessel wall is avoided. When the hemostatic clamp is in a proper position, the first clamping arm 1 and the second clamping arm 2 can be matched by adjusting the clamp applier, and meanwhile, the tip 111 of the closing hook 11 can be exposed by breaking the film 42, so that the closing hook 11 is matched with the closing groove 21, and the cross section of the blood vessel is clamped. If the position of the blood vessel is not selected properly, the position of the hemostatic clamp can be adjusted, and as long as the thin film 42 is not broken and the tip 111 of the closing hook 11 is not exposed, the hemostatic clamp can be adjusted freely without causing any damage to the blood vessel wall.

Example 3

As shown in fig. 5 to 6, the anti-injury hemostatic clamp of this embodiment has substantially the same structure as that of embodiment 1, and mainly differs therefrom in that: in this embodiment, the tip protection member 4 is embodied as a sponge block 43. When the tip protection assembly 4 is a sponge block 43: the sponge block 43 is integrally arranged in the space between the closing hook 11 and the first clamping arm 1; one end of the sponge block 43 is fixedly connected with the inner side surface of the first clamping arm 1, and the other end thereof extends upwards to wrap and connect the tip 111 of the closing hook 11. In this design, there is no concern that the tip 111 will catch on or damage the vessel wall because the tip 111 of the closure hook 11 is already wrapped by the sponge block 43.

The application method and principle of the device of the embodiment are as follows: in laparoscopic surgery, when the doctor needs to stanch blood vessel, utilize the clip applier to carry the hemostatic clip, make the blood vessel that treats hemostasis be located between first arm lock 1 and second arm lock 2, because the closure colludes 11 pointed end 111 and has been wrapped up by sponge piece 43, need not worry that pointed end 111 catches on or damages the vascular wall. When the hemostatic clamp is in a proper position, the first clamping arm 1 and the second clamping arm 2 can be engaged by adjusting the clamp applier, and meanwhile, the sponge block 43 is extruded to expose the tip 111 of the closing hook 11, so that the closing hook 11 is matched with the closing groove 21, and the cross section of the blood vessel is clamped. If the position of the blood vessel is not selected properly, the position of the hemostatic clamp can be adjusted, and as long as the sponge block 43 is not squeezed and the tip 111 of the closing hook 11 is not exposed, the hemostatic clamp can be adjusted freely without causing any damage to the blood vessel wall.

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 (10)

1. An injury-preventing hemostatic clamp comprises a first clamping arm and a second clamping arm; the clamping device is characterized in that a closing hook is arranged on the first clamping arm, a closing groove is arranged on the second clamping arm, and the closing hook is clamped and matched with the closing groove; the first clamping arm is provided with a tip protection assembly, one end of the tip protection assembly is connected with the inner side face of the first clamping arm, and the other end of the tip protection assembly extends upwards to shield or wrap the tip of the closed hook.

2. The injury-preventing hemostatic clamp according to claim 1, wherein one end of the first clamping arm is connected to one end of the second clamping arm, and an elastic hinge is provided at the connection between the first clamping arm and the second clamping arm; the other end of first arm lock is provided with the closure colludes, the other end of second arm lock is provided with the closed groove, the closure collude with the closed groove joint cooperation, so that hemostatic clamp realizes the centre gripping to blood vessel.

3. The damage-preventing hemostatic clamp of claim 1, wherein the first clamping arm and the second clamping arm are arc-shaped arms, and the arcs of the first clamping arm and the second clamping arm are matched; the inner side surface of the first clamping arm is a concave surface, and the inner side surface of the second clamping arm is a convex surface.

4. The damage-preventing hemostatic clamp according to claim 1, wherein the first and second clamping arms are provided with teeth on inner sides thereof, the teeth engaging with each other; the inner side surface of the first clamping arm is provided with a toothed bulge, and the inner side surface of the second clamping arm is provided with a toothed groove; or the inner side surface of the first clamping arm is provided with a toothed groove, and the inner side surface of the second clamping arm is provided with a toothed bulge; the tooth-shaped bulge is matched with the tooth-shaped groove.

5. The injury-preventing hemostatic clamp according to claim 1, wherein positioning blocks are formed on both sides of the closed groove, and a limiting block is formed on the back end of the closed hook; and the two positioning blocks are in limit fit with the limiting block.

6. The atraumatic hemostatic clip of claim 1, wherein the closure hook extends from an end of the first clip arm distal from the second clip arm and is curved toward the first clip arm; the extending tail end of the closing hook is the tip.

7. An atraumatic hemostatic clip according to any of claims 1-6, characterized in that the tip protection assembly is embodied as a resilient pad, film or sponge block.

8. The atraumatic hemostatic clip of claim 7, wherein when the tip protection assembly is a resilient pad, the resilient pad is configured as follows: one end of the elastic gasket is fixedly connected with the inner side face of the first clamping arm, and the other end of the elastic gasket extends upwards to be close to the tip of the closed hook in an inclined manner, and the tip of the closed hook is shielded.

9. The atraumatic hemostatic clip of claim 7, wherein when the tip protection assembly is a membrane, the membrane is configured as follows: the film is arranged between the tip of the closing hook and the first clamping arm; one end of the film is fixedly connected with the inner side surface of the first clamping arm, and the other end of the film extends upwards in an inclined shape to wrap and connect the tip of the closing hook.

10. The atraumatic hemostatic clip of claim 7, wherein when the tip protection assembly is a sponge block, the sponge block is configured as follows: the sponge block is integrally arranged in a space between the closing hook and the first clamping arm; one end of the sponge block is fixedly connected with the inner side surface of the first clamping arm, and the other end of the sponge block extends upwards to wrap and connect the tip of the closing hook.

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