CN210158649U

CN210158649U - Screw-in type strip line anchor

Info

Publication number: CN210158649U
Application number: CN201920529818.0U
Authority: CN
Inventors: 卢全忠; 张若夫; 李小林; 孔健; 张峰
Original assignee: Jiangsu Still Medical Instruments Co Ltd
Current assignee: Jiangsu Still Medical Instruments Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-03-20
Anticipated expiration: 2029-04-18

Abstract

The utility model provides a screw in type area line anchor nail relates to medical field. The screw-in type suture anchor comprises an anchor body, wherein the right side of the anchor body comprises a connecting rod and a drill bit, and the left end of the connecting rod is connected with the right end of the anchor body. This screw in type area line anchor nail, through the slide cartridge that sets up, and the spout, the stopper, the slider, the push rod, the card wire loop, the pull rod, the cooperation setting of spring and pull ring, make the doctor before the anchor nail body is used to needs, can be earlier through medical hook pulling pull ring, thereby make the pull ring can stimulate slider and stopper, thereby make the stopper can slide in the spout, thereby make the slider that is promoted can extrude the spring, thereby make the spring shrink, thereby can pull the card wire loop through the push rod when making the slider promoted, thereby make the middle part of card wire loop can align with the middle part of taking the wire hole, thereby make the doctor can loop through-hole and card wire loop and wear the line, then loosen the pull ring.

Description

Screw-in type strip line anchor

Technical Field

The utility model relates to the field of medical technology, specifically a screw in type area line anchor nail.

Background

When soft tissue tears away from the bone and requires repair, the surgeon is often required to repair the separated soft tissue with sutures that are attached to the bone by a suture anchor. Among them, the parts where soft tissues are easily torn from bones are generally shoulder joints, knee joints, hip joints, and the like. In use, the threaded anchor is implanted into bone, the suture is threaded through the soft tissue to be reattached, and the suture is secured to the threaded anchor with appropriate tension for tendon-bone healing purposes.

Compared with the suture anchor in the prior art, especially the screw-in suture anchor in the prior art, when the suture anchor is used, a doctor often needs to thread the suture before using, the suture anchor is convenient to use during an operation, however, when the suture anchor is used, the anchor is easy to slip from the suture when the suture anchor is taken, so that the anchor falls off the ground and cannot be reused, and therefore the screw-in suture anchor is provided for solving the problems.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a screw in type area line anchor nail possesses can be before the use with the dead difficult advantages such as slippage from area line anchor nail of line card, has solved among the prior art area line anchor nail and has leaded to area line anchor nail can not the problem of using of slippage from the line easily when using.

(II) technical scheme

In order to realize above-mentioned can be before using with the dead difficult mesh of slipping off from taking the line anchor of line card, the utility model provides a following technical scheme: a screw-in type suture anchor comprises an anchor body, wherein the right side of the anchor body comprises a connecting rod and a drill bit, the left end of the connecting rod is connected with the right end of the anchor body, and the left side of the drill bit is connected with the right end of the connecting rod.

The outside of anchor nail body is including first screw thread strip, draw-in groove, first fixed block and centre gripping groove, the inboard of first screw thread strip is connected with the outside of anchor nail body, the draw-in groove is located the middle part setting of anchor nail body, one side of first fixed block is connected with the inboard of draw-in groove, the centre gripping groove is located the inboard setting of first fixed block.

The inside of anchor nail body is including a slide cylinder, spout, stopper, slider and second fixed block, the right-hand member of slide cylinder is connected with the left end of anchor nail body, the spout is located the inner wall setting of slide cylinder, one side of stopper is connected with the inboard of spout, one side of slider is connected with the opposite side of stopper, the outside of second fixed block is connected with the left side of slide cylinder inner wall.

Furthermore, the right side of slider is including push rod and card wire loop, the left end of push rod is connected with the right side of slider, the left side of card wire loop is connected with the left end of push rod.

Furthermore, the left side of slider is including pull rod, spring and pull ring, the right-hand member of pull rod is connected with the left side of slider, the inboard of spring cup joints with the outside of pull rod, the right side of pull ring is connected with the left end of pull rod.

Furthermore, the middle part of the second fixed block comprises a through hole, and the through hole is arranged in the middle of the fixed block.

Furthermore, the connecting rod comprises a strip line hole, and the strip line hole is arranged in the middle of the connecting rod.

Furthermore, the drill bit comprises a second thread strip, and the inner side of the second thread strip is connected with the outer side of the drill bit.

Furthermore, one end of the pull rod penetrates through the right side of the second fixed block and extends to the outside of the left side of the second fixed block

(III) advantageous effects

Compared with the prior art, the utility model provides a screw in type area line anchor nail possesses following beneficial effect:

1. the screw-in type threaded anchor is characterized in that a sliding cylinder is arranged, a sliding groove, a limiting block, a sliding block, a push rod, a thread clamping ring, a pull rod and a spring and a pull ring are arranged in a matched mode, so that a doctor can pull the pull ring through a medical hook before using an anchor body, the pull ring can be pulled by the pull ring, the limiting block can slide in the sliding groove, the pulled sliding block can extrude the spring, the spring contracts, the sliding block can pull the thread clamping ring through the push rod when pulled, the middle part of the thread clamping ring can be aligned with the middle part with the thread hole, the doctor can thread the thread through the through hole and the thread clamping ring in sequence, the pull ring is loosened, the spring rebounds, the sliding block can push the push rod with the help of the rebounding force of the spring, the push rod pushes the thread clamping ring, and the circle center of the thread clamping ring and the circle center of the thread hole, thereby one side of messenger's card wire loop can press from both sides the line with the help of the inside space of sliding tube and press from both sides tightly to make the line be difficult for slipping from the anchor body, thereby effectively make the doctor when getting the electrified wire anchor nail, electrified wire anchor nail can not follow the line slippage, solved among the prior art electrified wire anchor nail when using easily from the line slippage lead to electrified wire anchor nail can not the problem of using.

2. This screw in type area line anchor nail, anchor nail body through setting up, and the draw-in groove, first fixed block, the centre gripping groove, the cooperation setting of connecting rod and drill bit, make the doctor wear the line back on anchor nail body, can go into the draw-in groove with unnecessary line card, thereby make unnecessary line can pass through the draw-in groove card in the centre gripping groove of first fixed block, thereby it is tight to fix the line, simultaneously can be with in unnecessary line income anchor nail body, thereby make anchor nail body when in the bone of second screw thread strip screw in patient through on first screw thread strip and the drill bit, can reduce the resistance of anchor nail body when the screw in, and through the line hole on the connecting rod, can be light take the line into patient's bone, thereby effectively make the area line anchor nail can be more convenient and practical, alleviate patient's misery.

Drawings

FIG. 1 is a sectional view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is an enlarged view of a portion a in the structure diagram 1 of the present invention.

Wherein, 1 anchor body, 2 first thread strips, 3 connecting rods, 4 drill bits, 5 draw-in grooves, 6 first fixed blocks, 7 clamping grooves, 8 sliding cylinders, 9 sliding chutes, 10 limiting blocks, 11 sliding blocks, 12 push rods, 13 draw-in rings, 14 pull rods, 15 springs, 16 pull rings, 17 second fixed blocks, 18 through holes, 19 threaded holes and 20 second thread strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the embodiment of the utility model provides a screw in type area line anchor nail, including anchor nail body 1, anchor nail body 1's right side is including connecting rod 3 and drill bit 4, the left end of connecting rod 3 and the right-hand member fixed connection of anchor nail body 1, and connecting rod 3 is including the line hole 19, and the middle part that line hole 19 is located connecting rod 3 is seted up, the left side of drill bit 4 and the right-hand member fixed connection of connecting rod 3, and drill bit 4 is including second thread strip 20, the inboard of second thread strip 20 and the outside fixed connection of drill bit 4.

The outside of anchor body 1 is including first thread strip 2, draw-in groove 5, first fixed block 6 and centre gripping groove 7, the inboard of first thread strip 2 and the outside fixed connection of anchor body 1, and draw-in groove 5 is located the middle part of anchor body 1 and sets up, and one side of first fixed block 6 and the inboard fixed connection of draw-in groove 5, centre gripping groove 7 is located the inboard of first fixed block 6 and sets up.

The inside of the anchor bolt body 1 comprises a sliding cylinder 8, a sliding chute 9, a limiting block 10, a sliding block 11 and a second fixing block 17, the right end of the sliding cylinder 8 is inserted with the left end of the anchor bolt body 1, the sliding chute 9 is arranged on the inner wall of the sliding cylinder 8, one side of the limiting block 10 is in sliding connection with the inner side of the sliding chute 9, one side of the sliding block 11 is fixedly connected with the other side of the limiting block 10, the right side of the sliding block 11 comprises a push rod 12 and a wire clamping ring 13, the left end of the push rod 12 is fixedly connected with the right side of the sliding block 11, the left side of the wire clamping ring 13 is fixedly connected with the left end of the push rod 12, the left side of the sliding block 11 comprises a pull rod 14, a spring 15 and a pull ring 16, the right end of the pull rod 14 is fixedly connected with the left side of the sliding block 11, the inner side of the spring 15 is sleeved with the outer side of, the middle part of the second fixed block 17 comprises a through hole 18, the through hole 18 is positioned in the middle part of the fixed block and is opened, and one end of the pull rod 14 penetrates through the right side of the second fixed block 17 and extends to the outside of the left side of the second fixed block 17.

When in use, a doctor can firstly pull the pull ring 16 through the medical hook, so that the pull ring 16 can pull the slider 11 and the limit block 10, so that the limit block 10 can slide in the sliding groove 9, so that the pulled slider 11 can extrude the spring 15, so that the spring 15 contracts, so that the slider 11 can pull the wire clamping ring 13 through the push rod 12 when being pulled, so that the middle part of the wire clamping ring 13 can be aligned with the middle part of the wire carrying hole 19, so that the doctor can thread a wire through the through hole 18 and the wire clamping ring 13 in sequence, then the pull ring 16 is released, so that the spring 15 rebounds, so that the slider 11 can push the push rod 12 through the rebounding force of the spring 15, so that the push rod 12 pushes the wire clamping ring 13, so that the circle center of the wire clamping ring 13 is staggered with the circle center of the wire carrying hole 19, so that one side of the wire clamping ring 13 can clamp the wire through a gap in the, thereby make the line be difficult for slippage from anchor body 1, thereby make the doctor when getting the line anchor, the line anchor can not follow the line slippage, make the doctor wear the line on anchor body 1 after, can go into draw-in groove 5 with unnecessary line, thereby make unnecessary line can pass through draw-in groove 5 card in the centre gripping groove 7 of first fixed block 6, thereby it is tight to fix the line, simultaneously can be with unnecessary line income anchor body 1 in, thereby make anchor body 1 when through the second screw strip 20 screw in patient's bone on first screw strip 2 and drill bit 4, can reduce the resistance of anchor body 1 when the screw in, and through the line hole 19 on connecting rod 3, can be light bring the line into patient's bone, thereby make the line anchor can be more convenient and practical, alleviate patient's misery.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A screw in type suture anchor comprising an anchor body (1), characterized in that: the right side of the anchor body (1) comprises a connecting rod (3) and a drill bit (4), the left end of the connecting rod (3) is connected with the right end of the anchor body (1), and the left side of the drill bit (4) is connected with the right end of the connecting rod (3);

the outside of the anchor bolt body (1) comprises a first threaded strip (2), a clamping groove (5), a first fixing block (6) and a clamping groove (7), the inner side of the first threaded strip (2) is connected with the outside of the anchor bolt body (1), the clamping groove (5) is arranged in the middle of the anchor bolt body (1), one side of the first fixing block (6) is connected with the inner side of the clamping groove (5), and the clamping groove (7) is arranged in the inner side of the first fixing block (6);

the anchor nail is characterized in that the inside of the anchor nail body (1) comprises a sliding cylinder (8), a sliding groove (9), a limiting block (10), a sliding block (11) and a second fixing block (17), the right end of the sliding cylinder (8) is connected with the left end of the anchor nail body (1), the sliding groove (9) is located on the inner wall of the sliding cylinder (8), one side of the limiting block (10) is connected with the inner side of the sliding groove (9), one side of the sliding block (11) is connected with the other side of the limiting block (10), and the outer side of the second fixing block (17) is connected with the left side of the inner wall of the sliding cylinder (8).

2. A screw-in type suture anchor according to claim 1, wherein: the right side of slider (11) is including push rod (12) and card line ring (13), the left end of push rod (12) is connected with the right side of slider (11), the left side of card line ring (13) is connected with the left end of push rod (12).

3. A screw-in type suture anchor according to claim 1, wherein: the left side of slider (11) is including pull rod (14), spring (15) and pull ring (16), the right-hand member of pull rod (14) is connected with the left side of slider (11), the inboard of spring (15) cup joints with the outside of pull rod (14), the right side of pull ring (16) is connected with the left end of pull rod (14).

4. A screw-in type suture anchor according to claim 1, wherein: the middle part of the second fixed block (17) comprises a through hole (18), and the through hole (18) is arranged in the middle of the fixed block.

5. A screw-in type suture anchor according to claim 1, wherein: the connecting rod (3) comprises a wire-provided hole (19), and the wire-provided hole (19) is arranged in the middle of the connecting rod (3).

6. A screw-in type suture anchor according to claim 1, wherein: the drill bit (4) comprises a second thread strip (20), and the inner side of the second thread strip (20) is connected with the outer side of the drill bit (4).

7. A screw-in type suture anchor according to claim 3, wherein: one end of the pull rod (14) penetrates through the right side of the second fixing block (17) and extends to the outside of the left side of the second fixing block (17).