CN211381550U

CN211381550U - Hernia needle easy to withdraw threads

Info

Publication number: CN211381550U
Application number: CN201922014517.7U
Authority: CN
Inventors: 郑春华; 李国胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-01
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a hernia needle with easy thread withdrawal, which comprises a top rod, a grab handle, a needle sleeve, a needle core and a rotating cylinder; the grab handle is cylindrical cavity, and the needle cover is installed in the one end of grab handle, and the grab handle is installed in the needle cover and on the axis of needle cover, and the one end of grab handle is stretched into in the grab handle and is connected with a rotation section of thick bamboo, the one end of ejector pin is connected with a rotation section of thick bamboo in the grab handle, and the other end stretches out the grab handle and keeps away from the one end of a rotation section of thick bamboo, the ejector pin can make a rotation section of thick bamboo drive the nook closing member. The utility model discloses a set up two ascending and descending recesses at the end of nook closing member and make the ligature in the deepest of recess all the time in the recess, also can in time withdraw from when the recess moves back the line, increased operation efficiency to cover through the recess that the needle cover will not, prevent that two recesses of hernia needle are chaotic when using and lead to the earlier in the recess to withdraw from the difficulty.

Description

Hernia needle easy to withdraw threads

Technical Field

The utility model relates to a hernia needle with easy thread withdrawal.

Background

Current hernia procedures require two incision puncture cards to establish two operative pathways. The hernia needle enters and punctures the peritoneum from one of the operative passageways, leaving the ligature in the abdominal cavity. After the hernia needle is withdrawn to the outside of the body, another crochet hook is used for puncturing the abdominal wall, and the reserved ligature is taken out of the body from another operation channel to be ligatured and close the hernia ring. The existing hernia needle only has one groove as a groove for incoming line, and the shape of the groove can lead the ligature not to easily exit the groove, thus affecting the efficiency of the operation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a hernia needle which can easily withdraw threads.

The utility model discloses a following technical scheme can realize.

The utility model provides a hernia needle which is easy to withdraw threads, comprising a mandril, a grab handle, a needle sleeve, a needle core and a rotating cylinder; the grab handle is cylindrical cavity, and the needle cover is installed in the one end of grab handle, and the grab handle is installed in the needle cover and on the axis of needle cover, and the one end of grab handle is stretched into in the grab handle and is connected with a rotation section of thick bamboo, the one end of ejector pin is connected with a rotation section of thick bamboo in the grab handle, and the other end stretches out the grab handle and keeps away from the one end of a rotation section of thick bamboo, the ejector pin can make a rotation section of thick bamboo drive the nook closing member.

The joint is arranged at the fixed connection position of the needle sleeve and the grab handle and is conical.

A baffle plate is processed on one side of the opening at the tail end of the needle sleeve.

The two opposite sides of the tip end of the needle core are respectively provided with a descending groove and an ascending groove.

The rotating cylinder is installed in the grab handle through an assembly groove, the ejector rod is installed in the grab handle through a sealing sleeve and a limiting ring, the assembly groove is fixed on the side wall of the grab handle, a cylindrical cavity is arranged in the assembly groove, and a baffle ring is installed at one end of the cavity, and the other end of the baffle ring is arranged to be an open opening.

The limiting ring is fixedly connected to the side wall of the grab handle, and the sealing sleeve is installed between the ejector rod and the grab handle and at the opening of one end of the ejector rod extending out of the grab handle.

The one end processing of ejector pin has stopper and driving lever, and the middle part processing of ejector pin has the boss between seal cover and spacing ring, installs the spring between boss and the spacing ring, locating part and driving lever respectively with the inside and the outer wall contact of rotating-barrel, the locating part upper end rigid coupling is in the one end of ejector pin, all processes the spacing groove on two relative lateral walls of locating part, and the adjacent side of two spacing grooves all connects through the guide way that two directions are the same, the guide way the driving lever passes through the disc rigid coupling on the lateral wall of ejector pin, and the driving lever is the same and relative arc piece of installing of two shapes, and the arc piece lower extreme has processed the triangle arch in proper order, and the bottom processing of driving lever is the inclined plane.

The outer wall of the rotating cylinder is provided with two limiting cylinders, the upper end face of each limiting cylinder is provided with an oblique sliding face along the circumferential direction, the side face of the higher end of each limiting cylinder is provided with a butt joint inclined face, the other side face of each limiting cylinder is provided with a limiting table, the top ends of the inner walls opposite to the sliding tables are provided with fixed limiting blocks, and the directions of the inclined faces of the two oblique sliding faces are the same.

The slope and the direction of the inclined sliding surface and the guide groove are the same.

The top end of the guide groove is lower than the top end of the limiting groove.

The beneficial effects of the utility model reside in that: set up two ascending and descending recesses through the end at the nook closing member and make the ligature in the deepest of recess all the time in the recess, also can in time withdraw from when the recess moves back the line, increased operation efficiency to cover the recess that will not through the needle cover, prevent that two recess confusion of hernia needle when using from leading to the earlier difficulty of withdrawing from in the recess.

Drawings

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

FIG. 2 is a schematic view of the structure of the ejector rod and the rotary cylinder;

fig. 3 is a schematic view of a limiting member structure of the present invention;

in the figure: 1-mandril, 11-position limiting piece, 111-guide groove, 112-position limiting groove, 12-deflector rod, 2-grab handle, 21-sealing sleeve, 22-position limiting ring, 23-assembly groove, 24-joint, 3-needle sleeve, 31-baffle, 4-needle core, 41-descending groove, 42-ascending groove, 5-finger buckle, 6-rotating cylinder, 61-sliding table, 62-position limiting cylinder, 63-fixed limiting piece, 64-butt joint inclined plane, 65-position limiting table, 66-inclined sliding plane, 7-spring and 8-grab handle.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

An hernia needle easy to withdraw threads comprises a mandril 1, a grab handle 2, a needle sleeve 3, a needle core 4 and a rotating cylinder 6; the grab handle 2 is cylindrical cavity, and the needle cover 3 is installed in the one end of grab handle 2, and grab handle 2 is installed in needle cover 3 and on the axis of needle cover 3, and the one end of grab handle 2 is connected with a rotation section of thick bamboo 6 in stretching into grab handle 2, the one end of ejector pin 1 is connected with a rotation section of thick bamboo 6 in grab handle 2, and the other end stretches out grab handle 2 and keeps away from the one end of a rotation section of thick bamboo 6, ejector pin 1 can make through implementing axial extrusion to a rotation section of thick bamboo 6 and drive the 4 rotations of nook closing member. The utility model discloses when placing, receive spring 7's effect under, boss and seal cover contact on the ejector pin 1, the disc of connecting driving lever 12 prevents that the ejector pin from popping out grab handle 2 under about the spring with the spacing ring contact outside, the triangle arch of driving lever 12 lower extreme this moment is in the upper end of butt joint inclined plane 64, the inclined plane of driving lever 12 lower extreme and the one end contact of oblique slip surface 66, spacing groove 111 top both sides wall and fixed stopper 63 both sides contact on the locating part 11, restriction locating part 11 rotates.

When the utility model is used, whether the handle is extruded or not to rotate the rotating cylinder 6 of the mandril 1 can be selected according to whether the tip on the stylet is exposed out of the descending groove 41 or not during the first puncture, if not, the handle 8 is extruded to push the mandril 1, the deflector rod 12 on the mandril 1 extrudes the limiting tube, the limiting cylinder rotates along the opposite direction of the extrusion direction of the deflector rod 12 under the action of the oblique picture 66, meanwhile, the limiting piece 11 moves downwards, the fixed limiting block 63 moves along the guide groove 111, when the shifting handle 12 moves to the bottom of the inclined sliding surface 66, the shifting handle directly falls under the action of pressure to be contacted with the limiting table 65, the triangular bulge at the other end is contacted with the butt-joint inclined surface 64, the fixed limiting block 63 enters the other limiting groove 112 when sliding to the bottom of the guide groove 111, the rotating cylinder 6 rotates 180 degrees, the needle core also rotates 180 degrees, the descending groove is rotated out of the baffle, and the operation outside the baffle at the ascending groove is required to be switched to be consistent with the operation.

The joint 24 is arranged at the fixed connection part of the needle sleeve 3 and the handle 2, and the joint 24 is conical, so that the expansion of the device to the wound can be reduced.

A baffle plate 31 is processed at one side of the end opening of the needle sleeve 3. The baffle is a semicircular plate with the same radian as the lower end of the needle sleeve, and the surface of the needle core in contact with the baffle can be blocked by the baffle, so that the ascending ditch and the descending ditch are prevented from being simultaneously exposed to bring misoperation to a doctor.

The two opposite sides of the tip of the needle core 4 are respectively provided with a downward groove 41 and an upward groove 42.

The rotating cylinder 6 is installed in the grab handle 2 through an assembling groove 23 to limit the rotating cylinder to move downwards, the ejector rod 1 is installed in the grab handle 2 through a sealing sleeve 21 and a limiting ring 22 to limit the vertical displacement distance of the ejector rod, the assembling groove 23 is fixed on the side wall of the grab handle 2, a cylindrical cavity is arranged in the assembling groove 23, and one end of the cavity is provided with a baffle ring and the other end of the baffle ring is arranged to be an open hole.

The limiting ring 22 is fixedly connected to the side wall of the grab handle 2, the sealing sleeve 21 is installed between the ejector rod 1 and the grab handle 2 and at the opening of one end of the ejector rod 1 extending out of the grab handle 2, and the sealing sleeve 21 is tightly contacted with the ejector rod to limit the device from rotating due to external factors when the device is idle.

A limiting piece 11 and a deflector rod 12 are processed at one end of the ejector rod 1, a boss is processed in the middle of the ejector rod 1 and is arranged between a sealing sleeve 21 and a limiting ring 22, a spring 7 is installed between the boss and the limiting ring 22, the limiting piece 11 and the deflector rod 12 are respectively contacted with the inner part and the outer wall of the rotating cylinder 6, the upper end of the limiting piece 11 is fixedly connected at one end of the ejector rod 1, limiting grooves 111 are processed on two opposite side walls of the limiting piece 11, the adjacent sides of the two limiting grooves 111 are connected through two guide grooves 112 in the same direction, the deflector rod 12 is fixedly connected on the side wall of the ejector rod 1 through a disc, the deflector rod 12 is two arc blocks which are in the same shape and are oppositely installed, triangular protrusions are sequentially processed at the lower ends of the arc blocks, the triangular protrusions are in butt joint with the lower ends of inclined planes and interfere with the top ends of the inclined planes to influence the upward movement, but can directly act, the deflector rod is prevented from doing work on the rotary cylinder. The bottom of the deflector rod 12 is processed into an inclined plane which can be matched with the inclined sliding surface, so that the local pressure on the inclined sliding surface is reduced, and the inclined sliding surface and the deflector rod are prevented from being damaged.

Two limiting cylinders 62 are processed on the outer wall of the rotating cylinder 6, oblique sliding surfaces 66 are processed on the upper end faces of the limiting cylinders 62 along the circumferential direction of the limiting cylinders, butt joint inclined surfaces 64 are processed on the side faces of the higher end of the limiting cylinders 62, the butt joint inclined surfaces 64 can enable the shifting rod 12 to directly act on the oblique sliding surfaces 66 all the time when being pressed down, limiting tables 65 are processed on the other side faces, the limiting tables 65 are matched with the shifting handle 12 to limit one rotating displacement direction of the rotating cylinder, limiting grooves 112 are matched with the fixed limiting tables 66 to limit the displacement of the other rotating direction of the rotating cylinder, fixed limiting blocks 63 are processed on the top ends of the inner walls opposite to the sliding tables 61, the inclined surfaces of the upper ends of the oblique sliding surfaces 66 are identical in direction, and the rotating.

The slope and direction of the ramp surface 66 and the guide groove 112 are the same.

The top end of the guide groove 112 is lower than the top end of the limiting groove 111, so that when the device is idle, two sides of the limiting block 63 can be in contact with two side walls of the limiting groove 112, and the rotating cylinder is prevented from rotating.

Claims

1. The utility model provides an easy hernia needle of moving back line, includes ejector pin (1), grab handle (2), needle cover (3), nook closing member (4), a rotation section of thick bamboo (6), its characterized in that: grab handle (2) are cylindrical cavity, and the one end in grab handle (2) is installed in needle cover (3), and grab handle (2) are installed in needle cover (3) and on the axis of needle cover (3), and the one end of grab handle (2) is connected with a rotation section of thick bamboo (6) in stretching into grab handle (2), the one end of ejector pin (1) is connected with a rotation section of thick bamboo (6) in grab handle (2), and the other end stretches out grab handle (2) and keeps away from the one end of rotating a section of thick bamboo (6), ejector pin (1) can make through implementing axial extrusion to a rotation section of thick bamboo (6) and rotate a section of thick bamboo (6) and drive needle core (4) rotation.

2. An easy-to-withdraw hernia needle according to claim 1, wherein: the joint (24) is arranged at the fixed connection part of the needle sleeve (3) and the grab handle (2), and the joint (24) is conical.

3. An easy-to-withdraw hernia needle according to claim 1, wherein: a baffle plate (31) is processed on one side of the opening at the tail end of the needle sleeve (3).

4. An easy-to-withdraw hernia needle according to claim 1, wherein: two opposite sides of the tip end of the needle core (4) are respectively provided with a downward groove (41) and an upward groove (42).

5. An easy-to-withdraw hernia needle according to claim 1, wherein: the rotating cylinder (6) is installed in the grab handle (2) through an assembling groove (23), the ejector rod (1) is installed in the grab handle (2) through a sealing sleeve (21) and a limiting ring (22), the assembling groove (23) is fixed on the side wall of the grab handle (2), a cylindrical cavity is arranged in the assembling groove (23), and one end of the cavity is provided with a baffle ring and the other end of the baffle ring is arranged to be an open opening.

6. An easy-to-withdraw hernia needle according to claim 5, wherein: the limiting ring (22) is fixedly connected to the side wall of the grab handle (2), and the sealing sleeve (21) is installed between the ejector rod (1) and the grab handle (2) and at the opening of one end, extending out of the grab handle (2), of the ejector rod (1).

7. An easy-to-withdraw hernia needle according to claim 1, wherein: one end of the ejector rod (1) is provided with a limiting piece (11) and a deflector rod (12), the middle part of the ejector rod (1) is provided with a lug boss between a sealing sleeve (21) and a limiting ring (22), a spring (7) is arranged between the lug boss and the limiting ring (22), the limiting piece (11) and the deflector rod (12) are respectively contacted with the inner part and the outer wall of the rotating cylinder (6), locating part (11) upper end rigid coupling is in the one end of ejector pin (1), all processes spacing groove (111) on two relative lateral walls of locating part (11), and the adjacent side of two spacing grooves (111) all connects through two guide ways (112) that the direction is the same, guide way (112) driving lever (12) are through the disc rigid coupling on the lateral wall of ejector pin (1), and driving lever (12) are the same and relative arc piece of installing of two shapes, and arc piece lower extreme has processed the triangle arch in proper order, and the bottom processing of driving lever (12) is the inclined plane.

8. An easy-to-withdraw hernia needle according to claim 1, wherein: the outer wall of the rotating cylinder (6) is provided with two limiting cylinders (62), the upper end faces of the limiting cylinders (62) are provided with oblique sliding faces (66) along the circumferential direction, the side face of the higher end of each limiting cylinder (62) is provided with a butt joint inclined face (64), the other side face of each limiting cylinder is provided with a limiting table (65), the top ends of the opposite inner walls of the sliding tables (61) are provided with fixed limiting blocks (63), and the directions of the inclined faces of the two oblique sliding faces (66) are the same.

9. An easy-to-withdraw hernia needle according to claim 7 or 8, wherein: the slope and direction of the inclined sliding surface (66) and the guide groove (112) are the same.

10. An easy-to-withdraw hernia needle according to claim 7, wherein: the top end of the guide groove (112) is lower than the top end of the limiting groove (111).