CN217592948U

CN217592948U - Locking device for suture line

Info

Publication number: CN217592948U
Application number: CN202221394748.0U
Authority: CN
Inventors: 林睿禹; 王晏研; 王锐; 杨斌
Original assignee: Chengdu Taihe Biomaterials Co ltd
Current assignee: Chengdu Taihe Biomaterials Co ltd
Priority date: 2022-06-07
Filing date: 2022-06-07
Publication date: 2022-10-18
Anticipated expiration: 2032-06-07

Abstract

The utility model discloses a locking device for stylolite, which comprises a housin, first lead wire mouth has been seted up to center department in the back end of casing, the even fixedly connected with stroke of internal surface of casing is protruding, and the bellied thickness of stroke is by advancing to the back and increasing progressively, and is a plurality of the bellied surface sliding connection of stroke has flexible lug, the preceding port inboard of casing is provided with the stopper, and the stopper is located the front side of a plurality of flexible lugs, the center department of stopper has seted up the second lead wire mouth, be provided with the pulling subassembly between stopper and the casing, the inboard of casing is provided with locating component. The utility model discloses in, because accomplish the fixed of stylolite through the mode of dragging, consequently operate simpler, conveniently operate in narrow and small space, the success rate is high, because the mode that casing inner structure passes through the bayonet lock is fixed, consequently can avoid fixed stylolite's structure to take place not hard up because the wriggling of patient's internal tissue, stability is better.

Description

Locking device for suture line

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a locking device for stylolite.

Background

Minimally invasive and interventional procedures are now increasingly common, and often require tying or locking sutures. In such procedures, tying or locking the suture in the patient's body is typically accomplished in a small, flexible, remote passageway.

The locking device for the suture at the present stage usually needs to be fixed by rotating a thread-combining structure when the suture is locked, and the creep of the tissue locked in the body of a patient possibly causes the screw part of the locking device to be loosened due to small operation space, so that the burden of the patient in the later recovery period can be increased, and in addition, the existing locking device adopting the rigid chuck to clamp the locking nail is not beneficial to the operation in the small space, so that the locking is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a locking device for suture.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a locking device for stylolite, includes the casing, the back of the body end well center department of casing has seted up first lead wire mouth, the even fixedly connected with stroke of internal surface of casing is protruding, and the bellied thickness of stroke is by advancing to the back and increasing progressively, and is a plurality of the bellied surface sliding connection of stroke has flexible lug, the front end mouth inboard of casing is provided with the stopper, and the stopper is located the front side of a plurality of flexible lugs, the center department of stopper has seted up the second lead wire mouth, be provided with the pulling subassembly between stopper and the casing, the inboard of casing is provided with locating component.

Furthermore, the inner surfaces of the flexible lugs are provided with insections, so that the suture thread can be further clamped through the insections, and the suture thread is prevented from sliding between the flexible lugs.

Further, the pulling assembly comprises a plurality of first rod grooves, a plurality of transmission pull rods and a plurality of second rod grooves, the first rod grooves are evenly arranged at the back end of the shell and far away from the position of the first lead port, the transmission pull rods are embedded in the inner sides of the first rod grooves respectively, the second rod grooves are evenly arranged at the outer surface of the limiting block and far away from the position of the second lead port, the transmission pull rods are embedded in the inner sides of the second rod grooves, the front ends of the transmission pull rods extend to the front sides of the limiting blocks and are fixedly connected with elastic rings, the transmission pull rods and the stroke protrusions are arranged in a staggered mode, each transmission pull rod is pulled towards the inner side of the shell through the elastic rings by means of pulling of each transmission pull rod, therefore, the limiting blocks can push each flexible lug to slide inwards along the corresponding stroke protrusion, and each flexible lug is convenient to approach each other so that a suture line passing through the first lead port and the second lead port is tightly clamped.

Furthermore, the back ends of the plurality of transmission pull rods extend to the outer side of the shell and are fixedly connected with pull rings together, so that the transmission pull rods can be pulled simultaneously through the pull rings.

Furthermore, the aperture of the first rod grooves is larger than that of the second rod grooves, so that the elastic ring can easily penetrate through the first rod grooves, and the operation burden of an operator is reduced.

Further, locating component includes a plurality of spacing draw-in grooves and a plurality of spacing arch, and is a plurality of the bellied position of stroke is kept away from to the lateral wall that spacing draw-in groove evenly seted up in the stopper, and is a plurality of the even fixed connection of spacing arch and the inside wall rear portion of casing, and a plurality of spacing arch aligns in a plurality of spacing draw-in grooves respectively, and the stopper of being convenient for moves to the inside depths of casing under the pulling of pulling subassembly, until each spacing arch imbeds respectively in each spacing draw-in groove to be convenient for play the effect to the stopper location, and then accomplished the location of each flexible lug.

Furthermore, it is a plurality of the back end edge of the even stopper of spacing draw-in groove runs through each other, and when the stopper of being convenient for removed towards the casing dorsal part, the stopper can be with easily imbed in the spacing draw-in groove.

The utility model has the advantages that:

1. when the utility model is used, the suture line is fixed by pulling, so the operation is simpler, the operation in a narrow space is convenient, and the success rate is high;

2. the utility model discloses when using, because the mode that casing inner structure passes through the bayonet lock is fixed, consequently can avoid fixed stylolite's structure to take place not hard up because of the wriggling of the internal tissue of patient, stability is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side sectional view of the housing of the present invention;

fig. 3 is the utility model discloses a stopper spatial structure schematic diagram.

Illustration of the drawings:

1. a housing; 101. a first lead port; 102. a first rod groove; 2. a stroke bulge; 3. a flexible bump; 301. insection; 4. a limiting block; 401. a second lead port; 402. a second rod groove; 403. a limiting clamping groove; 5. a drive link; 501. an elastic ring; 6. a pull ring; 7. and a limiting bulge.

Detailed Description

Fig. 1 to fig. 3 show, relate to a locking device for stylolite, including casing 1, first lead wire mouth 101 has been seted up to the back end well center department of casing 1, the even fixedly connected with stroke of internal surface of casing 1 is protruding 2, and the protruding 2 thickness of stroke is by going to the back and increasing progressively, the protruding 2 surface sliding connection of a plurality of strokes has flexible lug 3, the preceding port inboard of casing 1 is provided with stopper 4, and stopper 4 is located the front side of a plurality of flexible lugs 3, second lead wire mouth 401 has been seted up to the center department of stopper 4, be provided with the pulling subassembly between stopper 4 and the casing 1, the inboard of casing 1 is provided with locating component.

As shown in FIG. 1, the inner surfaces of the flexible protrusions 3 are provided with insections 301, so that the sutures can be further clamped by the insections 301, and the sutures can be prevented from sliding between the flexible protrusions 3.

As shown in fig. 1, the pulling assembly includes a plurality of first rod grooves 102, a plurality of transmission rods 5, and a plurality of second rod grooves 402, the plurality of first rod grooves 102 are uniformly opened at a position far away from the first lead opening 101 at the back end of the housing 1, the plurality of transmission rods 5 are respectively embedded at inner sides of the plurality of first rod grooves 102, the plurality of second rod grooves 402 are uniformly opened at a position far away from the second lead opening 401 at the outer surface of the stopper 4, and the transmission rods 5 are embedded at inner sides of the second rod grooves 402, front ends of the plurality of transmission rods 5 extend to front sides of the stopper 4 and are fixedly connected with elastic rings 501, and the plurality of transmission rods 5 and the plurality of stroke protrusions 2 are arranged alternately, each transmission rod 5 is pulled to move toward the inner side of the housing 1 through the elastic rings 501, so that the stopper 4 simultaneously pushes each flexible protrusion 3 to simultaneously slide inward along the corresponding stroke protrusion 2, thereby facilitating each flexible protrusion 3 to approach each other so as to clamp a suture thread 401 passing through the first lead opening 101 and the second lead opening.

As shown in fig. 1, the back ends of the plurality of transmission pull rods 5 extend to the outer side of the casing 1 and are fixedly connected with pull rings 6 together, so that the transmission pull rods 5 can be pulled simultaneously through the pull rings 6.

The apertures of the first rod grooves 102 are larger than the apertures of the second rod grooves 402, so that the elastic ring 501 can easily pass through the first rod grooves 102, and the operation burden of an operator can be reduced.

Fig. 2 shows, locating component includes a plurality of spacing draw-in grooves 403 and a plurality of spacing arch 7, the protruding 2 position of stroke is kept away from to the lateral wall of stopper 4 evenly seted up to a plurality of spacing draw-in grooves 403, the even fixed connection of a plurality of spacing arch 7 and the inside wall rear portion of casing 1, and a plurality of spacing arch 7 align in a plurality of spacing draw-in grooves 403 respectively, be convenient for stopper 4 under the pulling of pulling subassembly move to the inside depths of casing 1, until each spacing arch 7 imbeds respectively in each spacing draw-in groove 403, thereby be convenient for play the effect to stopper 4 location, and then accomplished the location of each flexible lug 3.

Fig. 3 shows, the back edge of the even stopper 4 of a plurality of spacing draw-in grooves 403 runs through each other, when the stopper 4 of being convenient for moves towards the 1 dorsal part of casing, stopper 4 can with easily imbed in the spacing draw-in groove 403.

When the locking device for the suture is used, firstly, the suture passes through the first lead port 101 and the second lead port 401, the pulling assembly drives the limiting block 4 to move towards the inner side of the shell 1, so that the limiting block 4 can simultaneously push each flexible bump 3 to simultaneously slide inwards along the corresponding stroke bulge 2, further each flexible bump 3 can be conveniently close to each other so as to clamp the suture passing through the first lead port 101 and the second lead port 401, meanwhile, the limiting block 4 is positioned by the positioning assembly, so that the positioning of each flexible bump 3 is completed, so that each flexible bump 3 can stably fix the suture, then, medical personnel continuously pull each transmission pull rod 5 until the elastic ring 501 passes through the second rod groove 402 and the first rod groove 102, thereby avoiding the movable transmission pull rod 5 from remaining in the body of a patient, avoiding the patient from secondary injury, because the device completes the fixation of the suture in a creeping mode, the operation is simpler, the success rate is high, and the internal structure is fixed in a clamping pin mode, thereby avoiding the structure for fixing the suture from loosening caused by the tissue in the body of the patient, and the stability is better.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A locking device for suture comprising a housing (1), characterized in that: first lead wire mouth (101) have been seted up to the back end center department of casing (1), the even fixedly connected with stroke of the internal surface of casing (1) is protruding (2), and the thickness of the protruding (2) of stroke increases progressively by going to the back, and is a plurality of the surface sliding connection of the protruding (2) of stroke has flexible lug (3), the preceding port inboard of casing (1) is provided with stopper (4), and stopper (4) are located the front side of a plurality of flexible lugs (3), second lead wire mouth (401) have been seted up to the center department of stopper (4), be provided with the pulling subassembly between stopper (4) and casing (1), the inboard of casing (1) is provided with locating component.

2. The suture locking device of claim 1, wherein: the inner surfaces of the flexible lugs (3) are provided with insections (301).

3. The suture locking device of claim 1, wherein: the pulling subassembly includes a plurality of first pole grooves (102) and a plurality of transmission pull rod (5), a plurality of second pole groove (402), and is a plurality of the position of keeping away from first lead port (101) in the back end of casing (1) is evenly seted up in first pole groove (102), and is a plurality of transmission pull rod (5) are inlayed respectively and are located the inboard of a plurality of first pole grooves (102), and are a plurality of second pole groove (402) are evenly seted up and are kept away from the position of second lead port (401) in the surface of stopper (4), and transmission pull rod (5) are inlayed and are located the inboard of second pole groove (402), and are a plurality of the front end of transmission pull rod (5) extends to the front side and the fixedly connected with elastic ring (501) of stopper (4), and a plurality of transmission pull rod (5) and a plurality of strokes are protruding (2) between crisscross setting each other.

4. A locking device for suture according to claim 3, characterized in that: the back ends of the transmission pull rods (5) extend to the outer side of the shell (1) and are fixedly connected with pull rings (6) together.

5. A suture locking device according to claim 3, wherein: the apertures of the first plurality of rod grooves (102) are each larger than the apertures of the second plurality of rod grooves (402).

6. The suture locking device of claim 1, wherein: locating component includes a plurality of spacing draw-in grooves (403) and a plurality of spacing arch (7), and is a plurality of the position of keeping away from the arch of stroke (2) is evenly seted up in the lateral wall of stopper (4) in spacing draw-in groove (403), and is a plurality of the even fixed connection of spacing arch (7) aligns in a plurality of spacing draw-in grooves (403) respectively with the inside wall rear portion of casing (1), and a plurality of spacing arch (7).

7. The suture locking device of claim 6, wherein: the back end edges of the limiting clamping grooves (403) and the uniform limiting blocks (4) penetrate through each other.