CN213489089U

CN213489089U - Ligation clip with barb structure

Info

Publication number: CN213489089U
Application number: CN202020937629.XU
Authority: CN
Inventors: 莫易凡; 马盼盼; 黄志健; 林聪杰
Original assignee: Surgaid Medical (xiamen) Co ltd
Current assignee: Surgaid Medical (xiamen) Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-06-22
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a ligature clamp with an agnail structure, the main body of which is the ligature clamp, the inner surface of the upper clamping arm and the inner surface of the lower clamping arm of the ligature clamp are both provided with a plurality of skid proof convex blocks; at least one anti-skid convex block is provided with a spike structure for improving the gripping force of the anti-skid convex block and the skin. Compare prior art, the utility model has the advantages of: 1. the clamping surfaces of the upper clamping arm and the lower clamping arm are provided with a plurality of mutually matched anti-slip teeth with barbs, so that the transverse tissue slipping can be effectively prevented, and the ligation is firm and reliable. 2. The number of teeth and the upward inclination angle of the barbs can be determined according to the tissue size so as to adapt to tissues with different diameters, and the ligation range is wide. 3. The front ends of the upper clamping arm and the lower clamping arm are mutually locked through the barb locking structure, so that the ligation is firm and reliable; 4. the joint of the tail ends of the upper clamping arm and the lower clamping arm is provided with a crack stop groove, and the crack stop groove can effectively release bending stress generated when the anti-falling type ligation clamp is closed, so that the tail part is prevented from being cracked.

Description

Ligation clip with barb structure

Technical Field

The utility model relates to the field of medical equipment, especially a ligature clamp with barb structure.

Background

In modern surgical operations, the ligation of blood vessels may be performed by closing the blood vessel with a ligation clip or suturing the blood vessel with a surgical thread, which requires complicated operations of a needle and suture material to form knots required for ligating the blood vessel. Such complex procedures are time consuming and difficult to perform, especially in endoscopic procedures, and are characterized by limited space and visibility. In contrast, ligation clips are relatively easy and quick to apply. Thus, the use of ligation clips in endoscopic surgical procedures has increased dramatically.

Most of the traditional ligation clamps are double-row conventional triangular teeth or semicircular teeth, and the two ends of the ligation clamps are mutually buckled to finish nail closing mainly by using the clamp applying tool as a closing tool, so that the ligation of tissue blood vessels is realized. Traditional ligature clamp has the clamping-force and the not enough problem of anticreep performance, and the plastic ligature clamp can slide or close not tightly on the blood vessel after the closure, appears and can't block the blood circulation completely or take off the condition of pressing from both sides, and this has brought very big potential safety hazard for the patient, has also brought pressure in the heart for the operation doctor simultaneously. Therefore, how to improve the safety and reliability of the ligating clip in the operation process and reduce the hidden danger of antiskid and anti-falling of the ligating clip is a technical problem to be solved by technical personnel in the field at present.

Disclosure of Invention

The utility model relates to a ligature clamp with an agnail structure, which aims to prevent tissue slippage and ensure firm and reliable ligation.

The purpose of the utility model is realized through the following technical scheme: a main body of the ligation clamp with an agnail structure is the ligation clamp, and a plurality of anti-skid lugs are arranged on the inner surface of an upper clamping arm and the inner surface of a lower clamping arm of the ligation clamp; at least one anti-skid convex block is provided with a spike structure for improving the gripping force of the anti-skid convex block and the skin.

Compare prior art, the utility model has the advantages of:

1. the clamping surfaces of the upper clamping arm and the lower clamping arm are provided with a plurality of mutually matched anti-slip teeth with barbs, so that the transverse tissue slipping can be effectively prevented, and the ligation is firm and reliable.

2. The number of teeth and the upward inclination angle of the barbs can be determined according to the tissue size so as to adapt to tissues with different diameters, and the ligation range is wide.

3. The front ends of the upper clamping arm and the lower clamping arm are mutually locked through the barb locking structure, so that the ligation is firm and reliable;

4. the joint of the tail ends of the upper clamping arm and the lower clamping arm is provided with a crack stop groove, and the crack stop groove can effectively release bending stress generated when the anti-falling type ligation clamp is closed, so that the tail part is prevented from being cracked.

5. The design of the anti-skidding convex blocks in the barb structure ensures that the ligation clamp can leave a certain gap in a clamping area under a clamping state, improves the tissue blood circulation in the clamping area and avoids tissue necrosis.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the present invention with another barb structure.

Fig. 4 is a partially enlarged view at C in fig. 3.

FIG. 5 is a schematic structural view showing the mutually staggered structure of the spikes when the upper and lower clamping arms are clamped.

Fig. 6 is a partially enlarged view at B in fig. 5.

FIG. 7 is a schematic structural view of the anti-slip bumps of any row of anti-slip teeth having spikes.

FIG. 8 is a schematic structural view of the anti-slip bumps of any row of anti-slip teeth having spaced apart spikes.

FIG. 9 is a schematic view of the structure of the added spur.

Fig. 10 is a partial enlarged view at D in fig. 9.

FIG. 11 is a schematic view of another embodiment of the spike structure.

Fig. 12 is a cross-sectional view of the lower clamp arm.

Figure 13 is a cross-sectional view of the upper and lower clamp arms closed.

Fig. 14 is a schematic structural view after clamping a blood vessel according to the present invention.

Fig. 15 is a cross-sectional view of the upper and lower clamp arms of fig. 14.

Description of reference numerals: 1 lock catch limiting block, 2 guide chute, 3 anti-skid bump, 31 barb structure, 32 anti-skid tooth, 33 vertical barb, 4 lower clamping arm, 5 crack-stopping groove, 6 upper clamping arm, 7 binding clip fixing column, 8 lock catch, 9 ligation clamp and 1-1 die cavity.

Detailed Description

The invention is described in detail below with reference to the drawings and examples of the specification:

as shown in fig. 1 and 2: a main body of the ligation clip with the barb structure is a ligation clip 9, and a plurality of anti-skid lugs 3 are arranged on the inner surface of an upper clamping arm 6 and the inner surface of a lower clamping arm 4 of the ligation clip 9; at least one of the anti-skid projections 3 is provided with a spike structure 31 for improving the grasping force of the anti-skid projection 3 and the tissue. The blood vessel can be effectively prevented from transversely slipping through the grasping force of the spine structure and the tissue.

The anti-skid lugs 3 are sequentially arranged at intervals to form anti-skid teeth 32, and the inner surface of the upper clamping arm 6 is provided with a left row and a right row of anti-skid teeth 32 distributed along the extending direction of the upper clamping arm 6; the inner surface of the lower clamping arm 4 is provided with a left row and a right row of anti-skid teeth 32 which are distributed along the extension direction of the lower clamping arm 4;

the anti-skid lugs 3 of the left row of anti-skid teeth 32 of the upper clamping arm 6 and the anti-skid lugs 3 of the right row of anti-skid teeth 32 of the upper clamping arm 6 are distributed in a staggered manner; the anti-skid lugs 3 of the left row of anti-skid teeth 32 of the lower clamping arm 4 and the anti-skid lugs 3 of the right row of anti-skid teeth 32 of the lower clamping arm 4 are distributed in a staggered manner.

The clamping surfaces of the upper clamping arm 6 and the lower clamping arm 4 are provided with a plurality of mutually matched anti-slip teeth with barbs, so that the transverse tissue slipping can be effectively prevented, and the ligation is firm and reliable.

The spine structure 31 on the left row of anti-skid teeth 32 of the upper clamping arm 6 extends rightwards and obliquely downwards; the spine structure 31 on the anti-skid tooth 32 on the right row of the upper clamping arm 6 extends leftwards and obliquely downwards; the spine structure 31 on the left row of anti-skid teeth 32 of the lower clamping arm 4 extends rightwards and obliquely upwards; the spike structure 31 on the anti-slip tooth 32 on the right row of the lower clamping arm 4 extends leftwards and obliquely upwards. The number of teeth and the upward inclination angle of the barbs can be determined according to the tissue size so as to adapt to tissues with different diameters, and the ligation range is wide. Reversal of the extension of the barbs is also contemplated as desired, for example, the barbs are angled outwardly as shown in fig. 11.

As shown in fig. 7: the anti-skid convex blocks 3 of any row of anti-skid teeth 32 are provided with spine structures 31.

As shown in fig. 8: the anti-skid convex blocks 3 of any row of anti-skid teeth 32 are provided with spine structures 31 at intervals.

As shown in fig. 1-4: the spike structure 31 includes more than one spike. The quantity of the spines can be adjusted to adapt to tissues with different diameters, and the ligation range is wide.

As shown in fig. 1-4: the front end of the upper clamping arm 6 is provided with a binding clip fixing column 7, and the front end of the lower clamping arm 4 is provided with a guide sliding groove 2 matched with the binding clip fixing column 7.

The both sides of going up 6 front ends of arm lock are equipped with bellied hasp 8, and the front end of lower arm lock 4 is equipped with and hasp 8 complex hasp stopper 1.

The rear end of the upper clamping arm 6 is connected with the rear end of the lower clamping arm 4, and a crack-stopping groove 5 which is communicated from left to right is arranged at the connection position. The anti-slip type ligation clip can effectively release the bending stress generated when the anti-slip type ligation clip is closed, thereby preventing the tail part from breaking.

The upper clamping arm 6 and the lower clamping arm 4 are arc-shaped clamping arms, and the outer side arc surface of the lower clamping arm 4 is matched with the inner side arc surface of the upper clamping arm 6.

As shown in fig. 13-15: the sum of the width of the left row of anti-skid teeth 32 of the upper clamping arm 6 and the width of the right row of anti-skid teeth 32 of the upper clamping arm 6 is less than the total width of the upper clamping arm 6, so that an anti-skid bump-free area is formed between the left row of anti-skid teeth 32 and the right row of anti-skid teeth 32 of the upper clamping arm 6;

the sum of the width of the left row of anti-slip teeth 32 of the lower clamping arm 4 and the width of the right row of anti-slip teeth 32 of the lower clamping arm 4 is less than the total width of the lower clamping arm 4, so that an anti-slip bump area is formed between the left row of anti-slip teeth 32 and the right row of anti-slip teeth 32 of the lower clamping arm 4.

Therefore, when the upper clamping arm and the lower clamping arm clamp the blood vessel in the using process, the non-anti-skid convex block areas of the upper clamping arm and the lower clamping arm can form a cavity (1-1), and the part of the blood vessel, which is positioned in the cavity, can form a relatively raised limiting structure, so that the anti-skid effect of the ligation clamp is improved.

At least one vertical thorn 33 is arranged on the inner surface of the lower clamping arm 4 or the upper clamping arm 6. The anti-skid effect can be further achieved.

As shown in fig. 12: the cross section of the upper clamping arm 6 and the lower clamping arm 4 is T-shaped. The widths of the upper clamping arm 6 and the lower clamping arm 4 are increased, the transverse part of the T-shaped clamping arm is the upper clamping arm or the lower clamping arm, and the longitudinal part of the T-shaped clamping arm is equivalent to a reinforcing rib, so that the contact area of tissues can be increased, and the grasping strength of the ligation clamp is improved.

Claims

1. The utility model provides a take ligature of barb structure presss from both sides which characterized in that: the main body of the ligation clip is a ligation clip (9), and the inner surfaces of an upper clamping arm (6) and a lower clamping arm (4) of the ligation clip (9) are provided with a plurality of anti-skid lugs (3); at least one anti-skid lug (3) is provided with a spine structure (31) for improving the grasping force of the anti-skid lug (3) and tissues.

2. The barbed ligation clip according to claim 1, wherein: the anti-skid lugs (3) are sequentially arranged at intervals to form anti-skid teeth (32), and the inner surface of the upper clamping arm (6) is provided with a left row and a right row of anti-skid teeth (32) distributed along the extension direction of the upper clamping arm (6); the inner surface of the lower clamping arm (4) is provided with a left row and a right row of anti-skid teeth (32) which are distributed along the extension direction of the lower clamping arm (4);

the anti-skid lugs (3) of the left row of anti-skid teeth (32) of the upper clamping arm (6) and the anti-skid lugs (3) of the right row of anti-skid teeth (32) of the upper clamping arm (6) are distributed in a staggered manner; the anti-skid lugs (3) of the left row of anti-skid teeth (32) of the lower clamping arm (4) and the anti-skid lugs (3) of the right row of anti-skid teeth (32) of the lower clamping arm (4) are distributed in a staggered manner.

3. The barbed ligation clip according to claim 2, wherein: the spine structure (31) on the left row of anti-skid teeth (32) of the upper clamping arm (6) extends rightwards and obliquely downwards; the spine structure (31) on the antiskid tooth (32) on the right row of the upper clamping arm (6) extends leftwards and obliquely downwards; the spine structure (31) on the left row of anti-skid teeth (32) of the lower clamping arm (4) extends rightwards and upwards in an inclined way; the spike structure (31) on the antiskid tooth (32) on the right row of the lower clamping arm (4) extends leftwards and obliquely upwards.

4. The barbed ligation clip according to claim 3, wherein: the anti-skid lugs (3) on any row of anti-skid teeth (32) are provided with spine structures (31).

5. The barbed ligation clip according to claim 3, wherein: the anti-skid lugs (3) on any row of anti-skid teeth (32) are provided with spine structures (31) at intervals.

6. The barbed structured ligation clip according to any one of claims 1-5, wherein: the spike structure (31) comprises more than one spike.

7. The barbed structured ligation clip according to any one of claims 1-5, wherein: the front end of the upper clamping arm (6) is provided with a binding clip fixing column (7), and the front end of the lower clamping arm (4) is provided with a guide sliding chute (2) matched with the binding clip fixing column (7).

8. The barbed structured ligation clip according to any one of claims 1-5, wherein: both sides of the front end of the upper clamping arm (6) are provided with convex lock catches (8), and the front end of the lower clamping arm (4) is provided with a lock catch limiting block (1) matched with the lock catches (8).

9. The barbed structured ligation clip according to any one of claims 2-5, wherein: the sum of the width of the left row of anti-skid teeth (32) of the upper clamping arm (6) and the width of the right row of anti-skid teeth (32) of the upper clamping arm (6) is less than the total width of the upper clamping arm (6), so that an anti-skid convex block-free area is formed between the left row of anti-skid teeth (32) and the right row of anti-skid teeth (32) of the upper clamping arm (6);

the sum of the width of the left row of anti-skid teeth (32) of the lower clamping arm (4) and the width of the right row of anti-skid teeth (32) of the lower clamping arm (4) is less than the total width of the lower clamping arm (4), so that an anti-skid convex block-free area is formed between the left row of anti-skid teeth (32) and the right row of anti-skid teeth (32) of the lower clamping arm (4).

10. The barbed ligation clip according to claim 9, wherein: at least one vertical thorn (33) is arranged on the non-anti-skid convex block area of the upper clamping arm (6) or the non-anti-skid convex block area of the lower clamping arm (4).