CN211704737U

CN211704737U - Absorbable hemostatic ligation clamp

Info

Publication number: CN211704737U
Application number: CN201922161723.0U
Authority: CN
Inventors: 李云飞
Original assignee: Transeasy Medical Tech Co ltd
Current assignee: Transeasy Medical Tech Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-10-20
Anticipated expiration: 2029-12-05

Abstract

The utility model relates to an absorbable hemostatic ligation clamp, which belongs to the technical field of medical appliances. The absorbable hemostatic ligation clamp comprises a clamp head component and a jacket component, wherein the jacket component is arranged at the rear end of the clamp head component; the binding clip assembly comprises a binding clip, and two outer layer clamps and two inner layer clamps are arranged in the binding clip; the outer sleeve assembly comprises an outer sleeve, a button piece, a rotary piston and a spring. The utility model discloses an it can use with current supporting the pincers of exerting to absorb hemostasis ligature clamp, the terminal function be closed blood vessel or tubulose tissue, can once only accomplish and apply two and absorb ligature clamps.

Description

Absorbable hemostatic ligation clamp

Technical Field

The utility model relates to the technical field of medical equipment, especially, go up the operation consumptive material that is applied to fields such as department of general surgery, gynaecology and obstetrics, uropoiesis surgery, more specifically says, the utility model relates to an among the laparoscopic surgery for the absorbable hemostasis ligature clamp of clamp closure of bile duct etc..

Background

In laparoscopic surgery, hemostatic ligating clips are commonly used to clamp tubular tissues such as blood vessels of the human body and prevent leakage of fluids within the tubular tissues. The hemostatic ligating clips in the medical field are most commonly used as metal clips and polymeric absorbable clips. The ligature clamp with the V-shaped structure and the hemostatic ligature clamp with the double-layer structure can be absorbed and clamped, wherein an appliance for applying the ligature clamp is called a clip applier, and the absorbable hemostatic ligature clamp with the double-layer structure is matched with a single-shot clip applier.

When carrying out laparoscopic surgery, the ligature clamp ligature blood vessel can be effectively applied to used pincers and single-shot absorbable hemostasis ligature clamp, and the use pincers disinfection back repeatedly usable, but need carry out many times transmission between operation doctor and nurse in the use, is accomplishing the back of applying of a ligature clamp promptly, need take out the use pincers from the internal, accomplishes new ligature clamp installation work, passes again and gives doctor's use, repetitive operation. According to the clinical application of the ligature clamp, 2-4 ligature clamps are used in a certain tissue operation, namely, the clip applier can repeatedly extend into and take out the ligature clamp for 2-4 times. Repeated operation has prolonged the operation time, has reduced operating efficiency, and the apparatus gets into the human body repeatedly moreover and can bring injury many times for the human body, increases the amount of bleeding of patient in the operation, can cause even to lead to shock because of bleeding too much, has increased the operation risk.

In the clinic, instruments that can apply ligation clips continuously are preferred by physicians and patients to reduce the time of the procedure to reduce the risk of the procedure. The clip applier for metal clips and V-shaped clips in the medical market already realizes the hair running function, the application of the ligation clips with the double-layer structure cannot realize the hair running function, and the application of a plurality of ligation clips can be realized only by repeatedly using the clip applier and the single-hair ligation clips. Therefore, the matching use of the double-layer absorbable hemostatic ligation clip can realize double hair, and the improvement of the operation efficiency is very important.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the prior art, the object of the utility model is to provide an absorbable hemostatic ligation clip.

The utility model discloses an absorbable hemostasis ligature clamp, its characterized in that includes: the clamp comprises a clamp head assembly and a jacket assembly, wherein the jacket assembly is arranged at the rear end of the clamp head assembly; the binding clip assembly comprises a binding clip, and two outer layer clamps and two inner layer clamps are arranged in the binding clip; the outer sleeve component comprises an outer sleeve, a button piece, a rotary piston and a spring; the clamp head comprises a first pipe body and a second pipe body positioned at the rear end of the first pipe body, two pairs of clamp arms are arranged at the front end of the first pipe body side by side, and grooves are formed in the clamp arms; the outer layer clamp comprises a first outer clamping arm and a second outer clamping arm, and the front ends of the first outer clamping arm and the second outer clamping arm are oppositely provided with clamping port ends; the inner layer clamp comprises a first inner clamping arm and a second inner clamping arm, a connecting end is formed at the rear end of the first inner clamping arm and the rear end of the second inner clamping arm, a notch matched with the clamping end is formed in the middle of the connecting end, outer sliding grooves are formed in the outer surfaces of the first inner clamping arm and the second inner clamping arm, and the outer sliding grooves and the notch are in smooth transition; the outer layer clamp is arranged in the inner cavities of the first pipe body and the second pipe body, and the clamping port end of the outer layer clamp is positioned at the front end of the first pipe body; the first inner clamping arm and the second inner clamping arm of the inner layer clamp are arranged in the grooves of the clamping arms, and the clamping port end of the outer layer clamp is matched with the notch in the middle of the connecting end of the inner layer clamp; the outer sleeve comprises a sleeve and a sleeve interface positioned at the rear end of the sleeve, a limiting groove extending along the length direction of the sleeve is arranged on the inner wall of the sleeve, and a sliding inclined plane is arranged on the inner wall between the two limiting grooves; the button piece comprises a button tube body and a pair of pushing separation blades positioned on the outer wall of the button tube body, the pushing separation blades can move back and forth along the direction of the limiting groove, a sawtooth-shaped structure formed by continuous inclined planes is arranged on the side wall of the front end of the button tube body, and the sawtooth-shaped structure is arranged adjacent to the pushing separation blades; the rotary piston comprises a first cylinder and a second cylinder, a convex ring is arranged between the first cylinder and the second cylinder, a stop block matched with the push stop block is arranged on the convex ring, and a push rod is arranged at the front end of the second cylinder; the end surface of the stop block is provided with a stop block inclined surface matched with the inclined surface of the sawtooth-shaped structure, and the side surface of the stop block is a side sliding surface matched with the sliding inclined surface; the spring sleeve is arranged on the second cylinder and the push rod, one end of the spring sleeve is matched with the convex ring, the button piece and the rotary piston are sequentially assembled into the sleeve of the outer sleeve from the front end of the outer sleeve, the pushing baffle of the button piece is arranged in the limiting groove of the inner wall of the sleeve, the first cylinder of the rotary piston extends into the button tube of the button piece, and the stop block of the rotary piston and the pushing baffle are oppositely arranged.

Wherein, binding clip subassembly and overcoat subassembly are fixed through bonding, buckle or interference fit.

Wherein, the pipe diameter of second body is less than the pipe diameter of first body.

The side wall of the first tube body is symmetrically provided with extension arms extending downwards, and safety terminals are arranged between the extension arms.

And contact end faces are arranged on the inner surfaces of the first inner clamping arm and the second inner clamping arm.

Wherein the diameter of the first cylinder is smaller than the diameter of the second cylinder.

Wherein an auxiliary washer is provided on the second cylinder, the auxiliary washer abuts against the convex ring, and one end of the spring is in contact with the convex ring.

Wherein the front end of the button piece extends into the sleeve interface.

Wherein the end of the push rod has a shape that matches the end of the outer clip.

Compared with the prior art, the utility model discloses an absorbable hemostasis ligature clamp has following beneficial effect:

the utility model discloses an absorbable hemostasis ligature clamp can be with the supporting use of current pincers of appling, and the terminal function is closed blood vessel or tubulose tissue. When the same part needs to close two absorbable ligation clamps in the operation, the structure of the utility model can complete the release of the two absorbable ligation clamps at one time. The whole device has simple structure and convenient operation, can simply and quickly realize continuous application, is beneficial to improving the operation efficiency and reducing the operation complications.

Drawings

Fig. 1 is a semi-sectional view of the absorbable hemostatic ligation clip assembly structure of the present invention.

Fig. 2 is an exploded view of the absorbable hemostatic ligating clip of the present invention.

Fig. 3 is a top view of the absorbable hemostatic ligating clip of the present invention.

Fig. 4 is a front view of the absorbable hemostatic ligating clip of the present invention.

Fig. 5 is a drawing of the outer sheath assembly of the absorbable hemostatic ligating clip of the present invention.

Fig. 6 is a diagram of the binding clip assembly of the absorbable hemostatic ligating clip of the present invention.

Fig. 7 is a front view of the forceps head of the absorbable hemostatic ligating clip of the present invention.

Fig. 8 is a side view of the binding clip of the absorbable hemostatic ligating clip of the present invention.

Fig. 9 is a front view of the outer clip of the absorbable hemostatic ligating clip of the present invention.

Fig. 10 is a side view of an outer clip of an absorbable hemostatic ligating clip of the present invention.

Fig. 11 is a front view of the inner clip of the absorbable hemostatic ligating clip of the present invention.

Fig. 12 is a side view of an inner clip of the absorbable hemostatic ligating clip of the present invention.

Fig. 13 is a front view of the outer sheath of the absorbable hemostatic ligating clip of the present invention.

Fig. 14 is a cross-sectional view of the sheath of the absorbable hemostatic ligating clip of the present invention.

Fig. 15 is a front view of the button of the absorbable hemostatic ligating clip of the present invention.

Fig. 16 is a side view of a button of an absorbable hemostatic ligating clip according to the present invention.

Fig. 17 is a front view of the rotary piston of the absorbable hemostatic ligating clip of the present invention.

Fig. 18 is a side view of the rotatable piston of the absorbable hemostatic ligating clip of the present invention.

Fig. 19 is a front view of the spring in the absorbable hemostatic ligating clip of the present invention.

Fig. 20 is a diagram illustrating the striking state of the absorbable hemostatic ligating clip of the present invention.

Fig. 21 is a schematic view illustrating the automatic return of the rotary piston in the absorbable hemostatic ligating clip of the present invention.

Fig. 22 is a schematic view illustrating a technical closing process of the absorbable hemostatic ligating clip of the present invention.

Fig. 23 shows the position of the rotary piston and the button at the initial position of the absorbable hemostatic ligating clip of the present invention.

Fig. 24 is a schematic view of the absorbable hemostatic ligating clip of the present invention in a pressed and incompletely fired state.

Fig. 25 is a schematic view of the internal components of the absorbable hemostatic ligating clip of the present invention in a reset state.

Detailed Description

The absorbable hemostatic ligature clamp of the present invention will be further described with reference to the following embodiments to help those skilled in the art to understand the concept and technical solution of the present invention more completely, accurately and deeply.

Example 1

As shown in fig. 1-6, the present embodiment provides an absorbable hemostatic ligating clip that includes a jaw assembly and a cover assembly mounted on a rear end of the jaw assembly. The utility model discloses in implementing, binding clip subassembly and overcoat subassembly are fixed a position according to the percussion order that can absorb the ligature clamp. The binding clip subassembly includes binding clip 1, be provided with two outer layer clamps 2 and two inlayer clamps 3 in the binding clip 1. The outer sleeve component comprises an outer sleeve 4, a button piece 5, a rotary piston 6 and a spring 7, and an auxiliary gasket 8 can be arranged according to the requirement. Referring to fig. 7-8, the binding clip 1 includes a first tube 11 and a second tube 12 located at the rear end of the first tube 11, the tube diameter of the second tube 12 is smaller than that of the first tube 11, two pairs of tong arms 13 are arranged side by side at the front end of the first tube 11, and a groove for accommodating the inner clip 3 is arranged in each tong arm 13. The lateral wall of first body is gone up the symmetry and is provided with the arm 14 that stretches out that extends downwards, is provided with insurance terminal 15 between stretching out arm 14, insurance terminal 15 can prevent outer layer presss from both sides 2 and inlayer and presss from both sides 3 by the mistake percussion. Referring to fig. 9-10, the outer clip 2 includes a first outer clip arm 21 and a second outer clip arm 22, and the front ends of the first outer clip arm 21 and the second outer clip arm 22 are opposite to each other to form a clip end 23. Referring to fig. 11 to 12, the inner layer clip 3 includes a first inner clip arm 32 and a second inner clip arm 33, a connecting end 31 is formed at the rear end of the first inner clip arm 32 and the second inner clip arm 33, a notch 35 matching with the clip end 23 is formed at the middle of the connecting end 31, a contact end surface 34 is formed on the inner surface of the first inner clip arm 32 and the second inner clip arm 33, an outer sliding groove 36 is formed on the outer surface of the first inner clip arm 32 and the second inner clip arm 33, and the outer sliding groove 36 is in smooth transition with the notch 35. The outer clip 2 is arranged in the inner cavities of the first tube body 11 and the second tube body 12, and the clip opening end 23 of the outer clip 2 is positioned at the front end of the first tube body 11; the first inner clamping arm 32 and the second inner clamping arm 33 of the inner layer clamp 3 are arranged in the groove of the clamping arm 13, and the clamping opening end 23 of the outer layer clamp 2 is matched with the notch 35 in the middle of the connecting end 31 of the inner layer clamp 3. The inner layer clip 2 and the outer layer clip 3 are both extruded or injection molded from an absorbable material. Referring to fig. 13 to 14, the outer sleeve 4 includes a sleeve 41 and a sleeve interface 42 at the rear end of the sleeve 41, a pair of limiting grooves 43 extending along the length direction of the sleeve are disposed on the inner wall of the sleeve 41, and a sliding inclined surface 44 is disposed on the inner wall between the two limiting grooves 43. Referring to fig. 15 to 16, the button member 5 includes a button tube 51 and a pair of pushing flaps 52 provided on an outer wall of the button tube 51, the pushing flaps 52 are movable back and forth in a direction of the stopper groove 43, and a saw-toothed structure 53 formed by a continuous inclined surface is provided on a side wall of a front end of the button tube 51 and is provided adjacent to the pushing flaps 52. As shown in fig. 17-18, the rotary piston 6 includes a first cylinder 61 and a second cylinder 62, a protruding ring 63 is disposed between the first cylinder 61 and the second cylinder 62, a stopper 64 is disposed on the protruding ring 63 and matched with the pushing block piece 52, a push rod 65 is disposed at the front end of the second cylinder 62, the end of the push rod 65 has a shape matched with the end of the outer clip 2, the end surface of the stopper 64 has a stopper inclined surface matched with the inclined surface of the sawtooth structure 53, and the side surface of the stopper 64 is a side sliding surface matched with the sliding inclined surface 44. The spring 7 shown in fig. 19 is fitted over the second cylinder 62 and the push rod 65 and has one end fitted with the convex ring 63, and as a modification, in order to reduce the frictional force of the rotary piston at the time of rotation, an auxiliary washer 8 is provided on the second cylinder 62, the auxiliary washer 8 abuts against the convex ring 63, and one end of the spring is in contact with the convex ring 63. The button member 5 and the rotary piston 6 are sequentially assembled into the sleeve 41 of the outer sleeve 4 from the front end of the outer sleeve 4, the front end of the button member 5 extends into the sleeve interface 42, the push stop piece 52 of the button member 5 is arranged in the limit groove of the inner wall of the sleeve 41, the first cylinder 61 of the rotary piston 6 extends into the button tube body 51 of the button member 5, and the stop block 64 of the rotary piston 6 is opposite to the push stop piece 52. The binding clip subassembly and the overcoat subassembly are connected fixedly through modes such as bonding, buckle or interference. Fig. 20 illustrates the striking state of the absorbable hemostatic ligating clip, which is the inner clip clamped by the outer clip, and the three state diagrams B1, B2 and B3 of fig. 22 illustrate the technical closing process of the absorbable hemostatic ligating clip. The three states a1, a2, A3 in fig. 21 illustrate the automatic return process of the rotating piston in the absorbable hemostatic ligating clip.

The automatic return between the rotary piston and the outer sleeve is achieved by rotation, the initial position is the position of the rotary piston and the push button as shown in fig. 23, the push stop 52 and the stop 64 are in line and fit into the outer sleeve limiting groove 43 as shown in fig. 24. The pressed and incompletely fired state is shown in fig. 25, the position state of the rotary piston 6 and the button 5 is that the piston rotates a small angle, and when the complete firing is returned to the position state shown in fig. 25 by the spring force, the two stop blocks 64 of the rotary piston 6 enter the two slide slopes 44 in the outer sleeve 4, as shown in fig. 25, the side sliding surfaces of the stop blocks 64 of the rotary piston 6 slide on the slide slopes 44 of the outer sleeve 4, and the sliding causes the rotary piston 6 to rotate 180 °.

The absorbable hemostatic ligating clip of the present embodiment can be used by cocking after being loaded into a clip applier (or a disposable clip applier), and two ligating clips can be continuously cocked. The absorbable hemostatic ligation clip can realize safe, effective and rapid continuous application of the two ligation clips. The method of using the absorbable hemostatic ligating clip of this embodiment is as follows:

(1) mounting an absorbable hemostatic ligating clip onto a mating clip applier instrument, the clip applier being reusable and disposable to destroy said safety terminals;

(2) preparing a clamping vessel by passing a clamping forceps provided with an absorbable hemostatic ligation clip through a puncture channel;

(3) after a blood vessel or tubular tissue needing to be clamped in the operation is aligned, moving a clamp applying forceps to place the blood vessel into the inside of a forceps head, so that other tissues cannot enter the inside of the forceps head, and then triggering and clamping;

(4) two groups of ligation clips at the absorbable hemostatic ligation clip position can be clamped twice, and the clip applier can be used for triggering twice.

The absorbable hemostatic ligating clip is arranged on the clip applier (or the disposable clip applier) to be fired. Finding the corresponding blood vessel and tubular tissue in the operation, pulling a clamp applying trigger, pushing the button 5 and pushing the stop block 64 through the pushing and blocking piece 51, so that the rotary piston 6 is pushed and rotated, the spring 7 compresses additional elastic force, and the first absorbable hemostatic clamp (comprising an inner clamp and an outer clamp) is pushed to be applied through the push rod 65 to close the blood vessel and the tubular tissue; the trigger of the clamp applying machine is loosened, the button 5 and the rotary piston 6 return to the initial position under the restoring force of the spring, the rotary piston 6 returns to the initial position after rotating 180 degrees, and the spring 7 resets; and the clamp applying trigger is pulled again, the button 5 is pushed in, the rotary piston 6 is pushed and rotated, the spring 7 compresses the additional elastic force, the second hemostatic clamp can be absorbed to apply, the blood vessel and the tubular tissue are closed, and the clamp applying trigger is released to finish use.

For those skilled in the art, the specific embodiments are only exemplary descriptions of the present invention, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements are all within the protection scope of the present invention as long as the technical solution of the present invention is adopted.

Claims

1. An absorbable hemostatic ligating clip, comprising: the clamp comprises a clamp head assembly and a jacket assembly, wherein the jacket assembly is arranged at the rear end of the clamp head assembly; the binding clip assembly comprises a binding clip, and two outer layer clamps and two inner layer clamps are arranged in the binding clip; the outer sleeve component comprises an outer sleeve, a button piece, a rotary piston and a spring; the clamp head comprises a first pipe body and a second pipe body positioned at the rear end of the first pipe body, two pairs of clamp arms are arranged at the front end of the first pipe body side by side, and grooves are formed in the clamp arms; the outer layer clamp comprises a first outer clamping arm and a second outer clamping arm, and the front ends of the first outer clamping arm and the second outer clamping arm are oppositely provided with clamping port ends; the inner layer clamp comprises a first inner clamping arm and a second inner clamping arm, a connecting end is formed at the rear end of the first inner clamping arm and the rear end of the second inner clamping arm, a notch matched with the clamping end is formed in the middle of the connecting end, outer sliding grooves are formed in the outer surfaces of the first inner clamping arm and the second inner clamping arm, and the outer sliding grooves and the notch are in smooth transition; the outer layer clamp is arranged in the inner cavities of the first pipe body and the second pipe body, and the clamping port end of the outer layer clamp is positioned at the front end of the first pipe body; the first inner clamping arm and the second inner clamping arm of the inner layer clamp are arranged in the grooves of the clamping arms, and the clamping port end of the outer layer clamp is matched with the notch in the middle of the connecting end of the inner layer clamp; the outer sleeve comprises a sleeve and a sleeve interface positioned at the rear end of the sleeve, a limiting groove extending along the length direction of the sleeve is arranged on the inner wall of the sleeve, and a sliding inclined plane is arranged on the inner wall between the two limiting grooves; the button piece comprises a button tube body and a pair of pushing separation blades positioned on the outer wall of the button tube body, the pushing separation blades can move back and forth along the direction of the limiting groove, a sawtooth-shaped structure formed by continuous inclined planes is arranged on the side wall of the front end of the button tube body, and the sawtooth-shaped structure is arranged adjacent to the pushing separation blades; the rotary piston comprises a first cylinder and a second cylinder, a convex ring is arranged between the first cylinder and the second cylinder, a stop block matched with the push stop block is arranged on the convex ring, and a push rod is arranged at the front end of the second cylinder; the end surface of the stop block is provided with a stop block inclined surface matched with the inclined surface of the sawtooth-shaped structure, and the side surface of the stop block is a side sliding surface matched with the sliding inclined surface; the spring sleeve is arranged on the second cylinder and the push rod, one end of the spring sleeve is matched with the convex ring, the button piece and the rotary piston are sequentially assembled into the sleeve of the outer sleeve from the front end of the outer sleeve, the pushing baffle of the button piece is arranged in the limiting groove of the inner wall of the sleeve, the first cylinder of the rotary piston extends into the button tube of the button piece, and the stop block of the rotary piston and the pushing baffle are oppositely arranged.

2. The absorbable hemostatic ligating clip of claim 1, wherein: the binding clip assembly and the outer sleeve assembly are fixed through bonding, buckling or interference fit.

3. The absorbable hemostatic ligating clip of claim 1, wherein: the pipe diameter of the second pipe body is smaller than that of the first pipe body.

4. The absorbable hemostatic ligating clip of claim 1, wherein: the lateral wall of the first tube body is symmetrically provided with extension arms extending downwards, and safety terminals are arranged between the extension arms.

5. The absorbable hemostatic ligating clip of claim 1, wherein: and contact end surfaces are arranged on the inner surfaces of the first inner clamping arm and the second inner clamping arm.

6. The absorbable hemostatic ligating clip of claim 1, wherein: the diameter of the first cylinder is smaller than that of the second cylinder.

7. The absorbable hemostatic ligating clip of claim 1, wherein: an auxiliary washer is disposed on the second cylinder, the auxiliary washer abutting against the protruding ring, and one end of the spring is in contact with the protruding ring.

8. The absorbable hemostatic ligating clip of claim 1, wherein: the front end of the button piece extends into the sleeve interface.

9. The absorbable hemostatic ligating clip of claim 1, wherein: the end of the push rod has a shape matching the end of the outer clip.