CN215273031U - Wire pusher - Google Patents

Abstract

The utility model relates to a push away line ware relates to medical line ware that pushes away's field, including main part pipe and push rod, the one end of main part pipe is the operation end, and the other end of main part pipe is the joint end, and the one end of push rod is worn to locate in the main part pipe by the operation end of main part pipe, and is connected for sliding between push rod and the main part pipe. The thread pusher in this application has the advantage of being convenient for medical personnel to arrange the suture anchor in the fixed slot.

Description

Wire pusher

Technical Field

The application relates to the field of medical line pushing devices, in particular to a line pushing device.

Background

When some operations are performed on the vertebral part, a fibrous ring incision is often required to be formed in a fibrous ring of the vertebral part so as to perform the operation on the internal tissues of the fibrous ring, the fibrous ring incision is required to be sutured after the operation on the internal parts of the fibrous ring is completed, and the position of the fibrous ring incision is quite close to the vertebral body under many conditions, so that the space for arranging the suture rope on the fibrous ring at one side of the fibrous ring incision facing the vertebral body is quite limited, and the suture rope is required to be fixed on the vertebral body at the moment.

Referring to fig. 1, the fixing groove is a fixing groove formed on the vertebral body 6, and includes a circular fixing groove main body 61 and an annular groove body 62, and the groove body 62 is coaxially formed on an inner wall of the fixing groove main body 61.

Referring to fig. 2, the anchor 7 with a suture used in cooperation with the fixing groove in fig. 1 includes a fastening portion 71 and a plurality of suture strings 72, a bending portion 711 is provided in the middle of the fastening portion 71, the fastening portion 71 has a certain degree of elasticity, and the plurality of suture strings 72 are fixed to the bending portion 711 of the fastening portion 71.

After the fixing groove on the vertebral body 6 is completely opened, the medical staff needs to put the anchor 7 with the suture into the fixing groove main body 61, and make the two ends of the upper clamping portion 71 of the anchor 7 with the suture be clamped in the groove body 62 respectively, and then tie the suture rope 72 on the anchor 7 with the suture rope 72 on the side of the fiber ring incision far away from the anchor 7 with the suture rope 72, thereby realizing the fixation of the fiber ring incision.

To the above-mentioned correlation technique, the inventor found that the process that medical personnel put the joint portion 71 of the anchor bolt 7 into the fixing groove main body 61 is generally completed by tweezers, and in this process, medical personnel need to use tweezers to clamp two ends of the joint portion 71, and make two ends of the joint portion 71 approach each other, so that the joint portion 71 enters the fixing groove main body 61 and is clamped in the groove body 62, and this process requires that medical personnel keep the clamping action with one finger, which is very laborious and inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that medical personnel are not convenient for fix the suture anchor to the fixed slot among the relevant art, this application provides a push away line ware.

The application provides a push away line ware adopts following technical scheme:

the utility model provides a push away line ware, includes main part pipe and push rod, and the one end of main part pipe is the operation end, and the other end of main part pipe is the joint end, and the one end of push rod is worn to locate in the main part pipe by the operation end of main part pipe, and is connected for sliding between push rod and the main part pipe.

Through adopting above-mentioned technical scheme, medical personnel are sending into the in-process in the fixed slot main part with the area line anchor nail, at first with the joint portion joint of area line anchor nail in the joint end of main part pipe, later send into the fixed slot main part through the joint portion of main part pipe with the area line anchor nail in, later with the push rod with the joint portion of area line anchor nail in main part intraductal release can, easy operation and convenient.

Optionally, a plurality of threading grooves are formed in the end face of the upper clamping end of the main body pipe.

Through adopting above-mentioned technical scheme, after the joint portion joint in the main part pipe of area line anchor nail, the in-process of wearing out the main part pipe of the suture rope on the area line anchor nail, can make the suture rope inlay locate the threading inslot, drive the in-process that the area line anchor nail enters into the human body at the thread pusher like this, the threading groove has certain spacing effect to the suture rope of area line anchor nail, can reduce the influence of human tissue to area line anchor nail suture rope, thereby make the thread pusher drive the joint portion more stable of area line anchor nail entering into the in-process area line anchor nail of human body.

Optionally, a handle is fixedly connected to the position of the operation end of the main pipe.

Through adopting above-mentioned technical scheme, be convenient for medical personnel to the gripping of main part pipe.

Optionally, the handle is arranged along the length direction of the main body pipe, the handle is provided with a connecting hole, the operating end of the main body pipe penetrates through the connecting hole, and the main body pipe and the handle are fixed by welding.

Through adopting above-mentioned technical scheme, reduced the occupation space of main part pipe and handle on the one hand, on the other hand is pushing away the in-process of line ware production, can also carry out classification production to handle and main part pipe, reduces the influence each other between each part production processes.

Optionally, the operating end of the main tube is provided with a wire winding member.

Through adopting above-mentioned technical scheme, medical personnel can twine the rope of sewing up in the twine piece after wearing out the main part pipe with sewing up the rope, can be convenient for follow-up medical personnel to the operation of pushing away the line ware like this.

Optionally, the winding element is arranged on the handle along the length direction of the handle, the middle part of the winding element is fixedly connected to the handle, two ends of the winding element are bent towards the direction away from the handle, and winding grooves are formed between the two ends of the winding element and the handle.

Through adopting above-mentioned technical scheme, medical personnel can twine the rope of sewing up in the winding wire inslot, and the winding wire groove can play the limiting displacement of certain degree to the rope of sewing up, and more stability when making the rope winding of sewing up on the winding wire spare.

Optionally, the wire pusher further comprises a positioning assembly for temporarily fixing the pushing rod to the main tube.

Through adopting above-mentioned technical scheme, at medical personnel making the in-process that the line ware enters into human inside gradually, locating component can carry out interim fixing to the push rod, when avoiding as far as still not entering into the fixed orifices at the joint end of main part pipe, because the push rod produce the joint portion that slides to the band wire anchor nail in the main part pipe and produce the influence.

Optionally, the locating component includes that connecting piece and location are protruding, and the connecting piece adopts elastic material to make and forms, and the connecting piece rigid coupling is in the push rod, and the location is protruding to be located one side of push rod, and protruding rigid coupling in the connecting piece in location, the constant head tank that uses with the protruding cooperation in location is seted up to the surface of handle, and the location is protruding to be inlayed and to be located in the constant head tank.

Through adopting above-mentioned technical scheme, the cooperation of location arch and constant head tank can play spacing effect to the push rod, and when the push rod needs removed in the main part pipe, medical personnel can dial out the constant head tank with the location arch in order to relieve the protruding restriction effect to the constant head tank of location.

Optionally, the handle is provided with a guide groove arranged along the length direction of the handle, the connecting piece is fixedly connected with a guide block matched with the guide groove, and the guide block is connected to the guide groove in a sliding manner; the constant head tank is seted up the diapire in the guide way.

Through adopting above-mentioned technical scheme, medical personnel are using the push rod to promote the in-process of area line anchor, and after the protruding constant head tank that breaks away from of location on the connecting portion, the cooperation of guide block and guide way can play the limiting displacement to the motion of push rod, makes the protruding length direction who can only follow the handle of location move, avoids the push rod to produce the rotation as far as and leads to follow-up medical personnel to be not convenient for to inlay the condition of locating the constant head tank again with the location arch and take place.

Optionally, the positioning assembly comprises a plurality of fixing screws, and the fixing screws sequentially penetrate through the main body pipe and the push rod to form detachable fixing for the main body pipe and the push rod.

Through adopting above-mentioned technical scheme, set screw can be in the same place main part pipe and push rod temporary fixation, when the push rod needs to carry out gliding when moving in the main part pipe, medical personnel can remove the limited effect to push rod and main part pipe through revolving to twist set screw.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the main body pipe and the push rod, in the process of sending the clamping part of the anchor with the wire into the fixed groove main body, the clamping part of the anchor with the wire is clamped at the clamping end of the main body pipe outside the body, then the clamping part of the anchor with the wire is sent into the fixed groove main body through the main body pipe, and then the clamping part of the anchor with the wire is pushed out of the main body pipe through the push rod, so that the operation is simple and convenient;

2. the handle and the winding piece are arranged on the main body pipe, so that medical personnel can conveniently hold the main body pipe by the handle, and the winding piece can conveniently collect the suture rope by the medical personnel;

3. through set up locating component between push rod and main part pipe, at medical personnel making the in-process that the line ware enters into human inside gradually, locating component can carry out interim fixing to the push rod, when avoiding as far as still not entering into the fixed orifices at the joint end of main part pipe, because the push rod produce the joint portion that slides to the area line anchor nail in the main part pipe and produce the influence.

Drawings

Fig. 1 is a schematic view of a prior art suture anchor secured to a vertebral body.

Fig. 2 is a schematic view of the configuration of a suture anchor of the related art.

Fig. 3 is a schematic structural diagram of the shape of the wire pusher in embodiment 1 of the present application.

Fig. 4 is a sectional view of the wire pusher in embodiment 1 of the present application.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a schematic structural diagram of the shape of the wire pusher in embodiment 2 of the present application.

Description of reference numerals: 1. a main body tube; 11. a clamping end; 12. an operation end; 13. a threading slot; 2. a push rod; 3. a grip; 31. connecting holes; 32. positioning a groove; 33. a guide groove; 4. a wire winding member; 41. winding a wire groove; 5. a positioning assembly; 51. a connecting member; 511. a fixed part; 512. a connecting portion; 52. positioning the projection; 521. rounding off; 53. a guide block; 531. a bevel; 54. a set screw; 6. a vertebral body; 61. a fixing groove main body; 62. a trough body; 7. a suture anchor; 71. a clamping part; 711. a bending section; 72. and (4) sewing the rope.

Detailed Description

The present application is described in further detail below with reference to figures 3-6.

The embodiment of the application discloses a wire pushing device. Referring to fig. 3 and 4, the wire pusher comprises a main body tube 1 and a push rod 2, for the convenience of the following description of the main body tube 1, one end of the main body tube 1 is a clamping end 11, and the other end of the main body tube 1 is an operating end 12; the section of the end, where the operation end 12 is located, of the main body tube 1 is circular, the section of the end, where the clamping end 11 is located, of the main body tube 1 is oval, the clamping end 11 and the operation end 12 are in smooth transition, and the section of the end, where the clamping end 11 is located, of the main body tube 1 is oval, so that the clamping portion 71 of the main body tube 1 can be better adapted to the anchor bolt 7. The push rod 2 is arranged in the main body tube 1 in a penetrating way at the operation end 12 of the main body tube 1, and the push rod 2 is connected with the main body tube 1 in a sliding way.

After the fixing groove main body 61 is completely opened, the medical staff places the clamping portion 71 of the anchor with thread 7 in the main body tube 1 inside the clamping end 11, and makes the two ends of the clamping portion 71 abut against the inner wall of the main body tube 1 under the action of self elasticity to form clamping fixation, so that the clamping end 11 of the suture rope 72 on the anchor with thread 7 on the main body tube 1 extends out of the main body tube 1, and attaches to the outer surface of the main body tube 1 along the length direction of the main body tube 1, and then the medical staff makes the end of the anchor with thread 7 on the main body tube 1 enter the fixing groove main body 61, and then the medical staff uses the push rod 2 to push the clamping portion 71 of the anchor with thread 7 to break away from the main body tube 1, and the two ends of the clamping portion 71 of the anchor with thread 7 are clamped in the groove body 62. The process of feeding the catching portion 71 of the anchor bolt 7 into the holding groove body 61 by the above-described method is more convenient.

Two threading grooves 13 are symmetrically formed in the clamping end 11 of the main body pipe 1, the clamping portion 71 of the anchor with the thread 7 is clamped in the main body pipe 1, the suture rope 72 on the anchor with the thread 7 penetrates out of the main body pipe 1, the suture rope 72 can be embedded in the threading grooves 13, and therefore the thread pusher drives the anchor with the thread 7 to enter a human body, the threading grooves 13 have a certain limiting effect on the suture rope 72 of the anchor with the thread 7, the influence of human tissue on the suture rope 72 of the anchor with the thread 7 can be reduced, and the clamping portion 71 of the anchor with the thread 7 is more stable when the anchor with the thread 7 is driven by the thread pusher to enter the human body.

Referring to fig. 4, a handle 3 disposed along the length direction of the main tube 1 is disposed at an operating end 12 of the main tube 1, a connecting hole 31 adapted to the main tube 1 and disposed along the length direction of the handle 3 is disposed between two end faces of the handle 3, the operating end 12 of the main tube 1 is inserted into the connecting hole 31, and the main tube 1 and the handle 3 are fixed together by laser welding.

The purpose of handle 3 setting is convenient for follow-up medical personnel to the gripping of main part pipe 1, simultaneously because realize fixed connection through welded fastening's mode between handle 3 and the main part pipe 1, like this in-process of pushing away line ware production, can realize the categorised production between handle 3 and the main part pipe 1, reduce the influence each other between each part production process to it is more convenient to make the production of pushing away the line ware.

The operation end 12 of the main tube 1 is provided with the thread winding element 4, after the clamping portion 71 of the thread-carrying anchor 7 is fixed at the clamping end 11 of the main tube 1, the medical staff walks the suture rope 72 on the thread-carrying anchor 7 along the outer wall of the main tube 1 and then winds the suture rope 72 on the thread winding element 4, so that the subsequent medical staff can operate the thread pusher conveniently.

The cord winding member 4 is fixed to the outer peripheral surface of the grip 3, and when the medical care worker grips the grip 3 with a hand, the suture cord 72 on the cord winding member 4 can be fixed with the hand gripping the grip 3 more easily.

The winding piece 4 is of a plate-shaped structure, the winding piece 4 is arranged along the length direction of the handle 3, and the middle part of the winding piece 4 is fixedly connected with the outer surface of the middle part of the handle 3; both ends of the winding piece 4 are inclined towards the direction away from the handle 3, a winding groove 41 is formed between both ends of the winding piece 4 and the handle 3, medical workers can wind the sewing rope 72 in the two winding grooves 41, the winding groove 41 can limit the sewing rope 72 to a certain extent, and then the sewing rope 72 is more stably wound on the winding piece 4.

Referring to fig. 3 and 4, a positioning assembly 5 is arranged between the push rod 2 and the handle 3, when the medical staff makes the wire pusher gradually enter the inside of the human body, the positioning assembly 5 can temporarily fix the push rod 2, and when the clamping end 11 of the main body tube 1 does not enter the fixing groove, the influence on the clamping portion 71 of the anchor 7 with the wire in the main body tube 1 due to the sliding of the push rod 2 in the main body tube 1 is avoided as much as possible.

Example 1

The positioning assembly 5 comprises a connecting piece 51 and a positioning protrusion 52, the connecting piece 51 comprises a fixing portion 511 and a connecting portion 512 which are integrally arranged, the fixing portion 511 is a block structure fixedly connected to the push rod 2 and far away from the upper clamping end 11 of the main tube 1, the connecting piece 51 is a rod-shaped structure parallel to the push rod 2, the connecting piece 51 is arranged at one side of the handle 3, and the connecting piece 51 is made of an elastic material. The positioning protrusion 52 is fixed on the surface of the connecting piece 51 facing the grip 3.

Referring to fig. 5, the corresponding positioning groove 32 adapted to the positioning protrusion 52 is formed on the outer surface of the handle 3, and the positioning protrusion 52 is embedded in the positioning groove 32.

In-process that the push wire ware enters into the human body, the protruding 52 and constant head tank 32's cooperation of location can form limiting displacement to push rod 2, in-process that the push wire ware does not use simultaneously, the protruding 52 and constant head tank 32's cooperation of location can form spacingly to push rod 2, make push rod 2 and main part pipe 1 can cooperate together, and then be convenient for receive and transport of push wire ware, when push rod 2 needs when main part pipe 1 internal motion, medical personnel can stir connecting portion 512 of connecting piece 51, make protruding 52 of location break away from constant head tank 32 and can remove the restriction to push rod 2.

The end face edge of the positioning protrusion 52 at one end departing from the connecting part 512 is provided with the rounded angle 521, so that on one hand, the positioning protrusion 52 is smoother in the process of entering the positioning groove 32, and on the other hand, when the medical staff pushes the push rod 2 to move along the length direction of the main body tube 1, the arrangement of the rounded angle 521 can reduce the connecting area between the positioning protrusion 52 and the grip 3 as much as possible, so as to reduce the friction force between the positioning protrusion 52 and the grip 3.

Referring to fig. 4, the connecting portion 512 of the connecting member 51 is located on one side of the grip 3 away from the winding element 4, and the connecting member 51 is coplanar with the grip 3, the push rod 2 and the winding element 4, so that the medical staff can conveniently hold the wire pusher in the process of taking the wire pusher.

Referring to fig. 5, the outer surface of the grip 3 is provided with a guide groove 33 arranged along the length direction of the grip 3, the positioning groove 32 is opened on the bottom wall in the guide groove 33, the connecting portion 512 of the connecting member 51 is integrally provided with a guide block 53 adapted to the guide groove 33 on the side facing the connecting portion 3, the guide block 53 is located on the side facing the connecting portion 512 of the positioning protrusion 52, and the guide block 53 is slidably connected in the guide groove 33.

Medical personnel are using push rod 2 to promote the in-process of area line anchor nail 7, after location arch 52 on connecting portion 512 breaks away from constant head tank 32, the cooperation of guide block 53 and guide way 33 can play the limiting action to the motion of push rod 2, makes push rod 2 only can move along the length direction of main part pipe 1, avoids as far as the rotation of push rod 2 to produce and leads to follow-up medical personnel to be not convenient for to inlay the condition emergence of locating the constant head tank 32 again with location arch 52.

Referring to fig. 5, the end surface of the end of the guide block 53 facing the connecting portion 512 and the end surface of the end of the guide block 53 facing the positioning protrusion 52 are both provided with an inclined surface 531, and the inclined surfaces 531 are arranged so that the guide block 53 meets the requirement of limiting the sliding of the push rod 2, and besides, the contact area between the guide block 53 and the guide groove 33 can be reduced as much as possible, thereby reducing the friction force between the guide block 53 and the grip 3 during the sliding process in the guide groove 33.

The implementation principle of the wire pusher in the embodiment 1 is as follows: the medical staff puts the clamping part 71 of the anchor with thread 7 in the clamping end 11 of the main tube 1, then makes the suture rope 72 of the anchor with thread 7 extend out of the main tube 1 in the threading slot 13, and makes the suture rope 72 attach to the outer surface of the main tube 1 along the length direction of the main tube 1, and then makes the suture rope 72 wind in the thread winding slot 41 formed between the thread winding piece 4 and the handle 3. Then, the clamping end 11 of the main tube 1 gradually enters the human body, after the clamping end 11 of the main tube 1 enters the fixing groove main body 61, the medical staff pokes the connecting part 512 of the connecting piece 51 to enable the positioning protrusion 52 to be separated from the positioning groove 32, the push rod 2 is pushed to move towards the direction of the anchor with the wire 7 until the anchor with the wire 7 is separated from the main tube 1, after the anchor with the wire 7 is separated from the main tube 1, the medical staff pulls back the push rod 2, and in the process of pulling back the push rod 2, after the positioning protrusion 52 is aligned with the positioning groove 32 in the guide groove 33, the positioning protrusion 52 enters the positioning groove 32 again to form the positioning for the push rod 2.

Example 2

Referring to fig. 6, the positioning assembly 5 includes a plurality of fixing screws 54, and the fixing screws 54 penetrate through the main body tube 1 and the push rod 2 to detachably fix the main body tube 1 and the push rod 2.

In the process that the suture pushing device carries the suture anchor 7 to enter the human body, the fixing screw 54 can temporarily fix the main body tube 1 and the push rod 2, so that the influence on the suture anchor 7 due to the movement of the push rod 2 in the process is avoided as much as possible, and after the clamping end 11 of the main body tube 1 enters the fixing groove main body 61, the medical staff can move the push rod 2 after the fixing screw 54 relatively fixes the main body tube 1 and the push rod 2.

The implementation principle of the wire pusher in the embodiment 2 is as follows: the medical staff puts the clamping part 71 of the anchor with thread 7 in the clamping end 11 of the main tube 1, then makes the suture rope 72 of the anchor with thread 7 extend out of the main tube 1 in the threading slot 13, and makes the suture rope 72 attach to the outer surface of the main tube 1 along the length direction of the main tube 1, and then makes the suture rope 72 wind in the thread winding slot 41 formed between the thread winding piece 4 and the handle 3. Then, the clamping end 11 of the main body tube 1 gradually enters the human body, and after the clamping end 11 of the main body tube 1 enters the fixing groove main body 61, the medical staff releases the restriction of the fixing screw 54 on the main body tube 1 and the push rod 2, and then pushes the clamping part 71 with the wire anchor out of the main body tube 1 through the push rod 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A wire pusher is characterized in that: including main part pipe (1) and push rod (2), the one end of main part pipe (1) is operation end (12), and the other end of main part pipe (1) is joint end (11), and the one end of push rod (2) is worn to locate in main part pipe (1) by operation end (12) of main part pipe (1), and is connected for sliding between push rod (2) and main part pipe (1).

2. The wire pusher of claim 1, wherein: the end face of the clamping end (11) on the main body pipe (1) is provided with a plurality of threading grooves (13).

3. The wire pusher of claim 1, wherein: a handle (3) is fixedly connected to the position of the operating end (12) on the main body pipe (1).

4. A wire pusher according to claim 3, characterized in that: the handle (3) is arranged along the length direction of the main body pipe (1), the handle (3) is provided with a connecting hole (31), the operating end (12) of the main body pipe (1) penetrates through the connecting hole (31), and the main body pipe (1) and the handle (3) are fixed through welding.

5. The wire pusher of claim 4, wherein: the operating end (12) of the main body pipe (1) is provided with a winding wire piece (4).

6. The wire pusher of claim 5, wherein: the winding piece (4) is arranged on the handle (3) along the length direction of the handle (3), the middle part of the winding piece (4) is fixedly connected to the handle (3), the two ends of the winding piece (4) are bent towards the direction away from the handle (3), and a winding groove (41) is formed between the two ends of the winding piece (4) and the handle (3).

7. The wire pusher of claim 4, wherein: the wire pusher further comprises a positioning component (5) used for temporarily fixing the push rod (2) on the main body pipe (1).

8. The wire pusher of claim 7, wherein: locating component (5) are protruding (52) including connecting piece (51) and location, and connecting piece (51) adopt elastic material to make and form, and connecting piece (51) rigid coupling is in push rod (2), and location arch (52) are located one side of push rod (2), and location arch (52) rigid coupling is in connecting piece (51), and constant head tank (32) that use with the protruding (52) cooperation in location are seted up to the surface of handle (3), and location arch (52) are inlayed and are located in constant head tank (32).

9. The wire pusher of claim 4, wherein: the handle (3) is provided with a guide groove (33) distributed along the length direction of the handle (3), the connecting piece (51) is fixedly connected with a guide block (53) matched with the guide groove (33), and the guide block (53) is connected with the guide groove (33) in a sliding manner; the positioning groove (32) is arranged on the bottom wall in the guide groove (33).

10. The wire pusher of claim 7, wherein: the positioning assembly (5) comprises a plurality of fixing screws (54), and the fixing screws (54) sequentially penetrate through the main body pipe (1) and the push rod (2) to form detachable fixing on the main body pipe (1) and the push rod (2).

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