CN213372429U

CN213372429U - Porous locator convenient for needle adjustment

Info

Publication number: CN213372429U
Application number: CN202021475936.7U
Authority: CN
Inventors: 赵振英; 张立; 刘娜
Original assignee: Shijiazhuang Second Hospital
Current assignee: Shijiazhuang Second Hospital
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-08
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to the technical field of medical equipment, and discloses a porous locator convenient for adjusting needles, which comprises a handle, wherein the outer wall of the handle is fixedly connected with an anti-drop block, the right side of the handle is fixedly connected with an elastic ring, the right side of the elastic ring is fixedly provided with a locator, the inner wall of the locator is provided with a guide pin hole, the porous locator convenient for adjusting needles can be convenient for holding the handle by one hand and holding the anti-drop block by the other hand, so as to achieve the stability of the whole porous locator in the operation process, the needle distance between the guide pin and the guide pin is zero point two millimeters, the porous design ensures that the guide pin hole can be switched in time when the position of the guide pin is incorrect for the first time, the angle of the guide pin can be adjusted in time, the unnecessary pain brought to patients is reduced, the elastic ring can generate abrasion when being used for many times, and the locator with low precision can be disassembled and replaced, ensuring the stability of the operation process.

Description

Porous locator convenient for needle adjustment

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a porous positioner convenient for needle adjustment.

Background

The patient with femoral intertrochanteric fracture often adopts a closed reduction PFNA intramedullary nail fixing operation, PFNA belongs to a novel proximal femoral internal fixation system, is a new and improved proximal femoral intramedullary nail system, inherits the advantages of the original PFN on the one hand, has the same biomechanical characteristics, and innovates on the other hand on the specific design, so that the fixation is more effective and the operation is simpler.

However, the femoral greater trochanter opening positioner adopted in the closed reduction PFNA intramedullary nail fixation operation on the market at present cannot be directly and stably fixed on the femoral greater trochanter, the guide pin is stable, the angle of the guide pin cannot be effectively adjusted, the operation time is increased, unnecessary pain is brought to a patient, and therefore a porous positioner convenient for needle adjustment is provided, and the problem is solved.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a convenient porous locator of transferring needle possesses the advantage of conveniently adjusting the guide pin, has solved the problem of inconvenient regulation guide pin.

(II) technical scheme

For the purpose of realizing above-mentioned convenient regulation guide pin, the utility model provides a following technical scheme: the utility model provides a convenient porous locator of transferring needle, includes the handle, the outer wall fixedly connected with anticreep piece of handle, the right side fixedly connected with elasticity ring of handle, the right side fixed mounting of elasticity ring has the locator, the guide pin hole has been seted up to the inner wall of locator.

Preferably, the diameter of the guide pin hole is two centimeters, the pitch of the guide pin hole is nine and six millimeters at zero point, and the diameter of the guide pin is smaller than two millimeters at zero point of the diameter of the guide pin hole, so that when the guide pin is inserted into the guide pin hole, the pitch of the guide pin and the guide pin is two millimeters at zero point.

Preferably, the right bottom end of the positioner is designed to be a circular arc, so that the positioner can be well fixed at the greater trochanter of the femur, and the stability of the porous positioner during an operation is ensured.

Preferably, the outer wall of handle and anticreep piece is seted up flutedly for handle and the more stable snatching of anticreep piece can guarantee the stability of porous locator, make the process of operation more smooth.

Preferably, the guide pin hole runs through the top of locator and extends to the bottom of locator, and the top in guide pin hole is higher than the top of locator five centimetres at zero point for at the operation in-process, prevent that some human tissue liquids such as human musculature from sheltering from, lead to the guide pin hole on the unable clear locator of seeing, guarantee that the operation can be more smooth.

(III) advantageous effects

Compared with the prior art, the utility model provides a convenient porous locator of transferring needle possesses following beneficial effect:

1. the porous locator convenient for adjusting the needle is used by matching the handle with the anti-drop block, so that the handle is held for positioning in the operation process, after the positioning is finished, the handle can be held by one hand conveniently, the anti-drop block is held by the other hand, the stability of the whole porous locator in the operation process is achieved, the top end of the guide pin hole in the locator 5 is higher than the top zero point of the locator by five centimeters, so that the human tissue fluid such as human muscle tissue is prevented from being shielded in the operation process, the guide pin hole in the locator 5 cannot be seen clearly, the operation can be ensured to be smoother, the hole pitch of each guide pin hole is nine-six millimeters zero, the diameter of the guide pin is smaller than zero-two millimeters of the diameter of the guide pin hole, when the guide pin is inserted into the guide pin hole, the needle pitch of the guide pin and the needle pitch of the guide pin is two millimeters zero, the porous design ensures that the guide pin can be switched in time when the position of the guide pin is incorrect for the, the guide pin angle is adjusted in time for operating time shortens, reduces and brings unnecessary pain for the patient, and the elasticity ring can produce wearing and tearing when using many times, and the locator dismantlement that the precision is not high is changed, guarantees the stability of operation process.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic top view of the structure of the present invention;

fig. 3 is a perspective view of the present invention.

In the figure: 1. a handle; 2. an anti-drop block; 3. an elastic ring; 4. a guide pin hole; 5. a locator.

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.

Referring to fig. 1-3, a porous locator convenient for needle adjustment comprises a handle 1, an anti-drop block 2 fixedly connected to the outer wall of the handle 1, a groove formed on the outer wall of the handle 1 and the anti-drop block 2 to enable the handle 1 and the anti-drop block 2 to be stably grabbed and to ensure the stability of the porous locator, so that the operation process is smoother, a tension ring 3 fixedly connected to the right side of the handle 1, a locator 5 fixedly mounted on the right side of the tension ring 3, the bottom end of the right side of the locator 5 is designed to be a circular arc, so that the locator 5 can be well fixed at the greater trochanter of femur to ensure the stability of the porous locator during the operation, a guide pin hole 4 is formed in the inner wall of the locator 5, the guide pin hole 4 penetrates through the top end of the locator 5 and extends to the bottom end of the locator 5, and the top end of the guide pin hole 4 is five centimeters higher than the top zero point of the, prevent that some human tissue liquid such as human musculature from sheltering from, lead to can't see guide pin hole 4 on the locator 5 clearly, guarantee that the operation can be more smooth, the diameter of guide pin hole 4 is two centimetres, and the pitch-row of guide pin hole 4 is nine six millimetres at zero point, and the diameter of guide pin is less than zero two millimetres at zero point of the diameter of guide pin hole 4 for the guide pin is inserting guide pin hole 4 the time, and the guide pin is two millimetres at zero point with the gauge needle of guide pin.

The working principle is that in the operation process, the handle 1 is held to position, after positioning is finished, one hand can conveniently hold the handle 1, the other hand can hold the anti-drop block 2, so that the stability of the whole porous positioner in the operation process is achieved, the bottom end of the right side of the positioner 5 is clamped at the greater trochanter of femur, the guide pin is inserted into the greater trochanter of femur through the guide pin hole 4 to perform the positioning operation process, the top end of the guide pin hole 4 on the positioner 5 is higher than the top end of the positioner 5 by a half-centimeter, so that in the operation process, human tissue fluid such as human muscle tissue is prevented from being shielded, the guide pin hole 4 on the positioner 5 cannot be seen clearly, the operation can be ensured to be smoother, the pitch of each guide pin hole 4 is nine and six millimeters at zero, the diameter of the guide pin is smaller than the half-millimeter at the diameter of the guide pin hole 4, so that when the guide pin, the gauge needle of guide pin and guide pin is two millimeters at zero point, and porous design is guaranteed at the operation in-process, and the selection of guide pin hole 4 can in time be switched to incorrect guide pin position for the first time, in time adjusts the guide pin angle for operation time shortens, reduces and brings unnecessary pain for the patient, and elasticity ring 3 can produce wearing and tearing when using many times, and locator 5 that the precision is not high is dismantled and is changed, guarantees the stability of operation process.

In conclusion, the multi-hole positioner convenient for needle adjustment is characterized in that the handle 1 is held by one hand to position in the operation process through the matching use of the handle 1 and the anti-drop block 2, after the positioning is finished, the handle 1 can be held by the other hand conveniently, so that the stability of the whole multi-hole positioner in the operation process is achieved, the top end of the guide pin hole 4 on the positioner 5 is higher than the top end of the positioner 5 by five centimeters, the blocking of human tissue fluid such as human muscle tissue and the like in the operation process is prevented, the guide pin hole 4 on the positioner 5 cannot be seen clearly, the operation can be ensured to be smoother, the hole pitch of each guide pin hole 4 is nine-six millimeters at the zero point, the diameter of the guide pin is smaller than the diameter of the guide pin hole 4 by two millimeters at the zero point, when the guide pin is inserted into the guide pin hole 4, the needle pitch between the guide pin and the guide pin is two millimeters at the zero point, and the design of multiple holes ensures that in the, the improper selection that can in time switch guide pin hole 4 in first guide pin position in time adjusts the guide pin angle for the operation time shortens, reduces to bring unnecessary pain for the patient, and elasticity ring 3 can produce wearing and tearing when using many times, and locator 5 that the precision is not high is dismantled and is changed, guarantees the stability of operation process.

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. The utility model provides a convenient porous locator of transferring needle, includes handle (1), its characterized in that: the anti-dropping handle is characterized in that an anti-dropping block (2) is fixedly connected to the outer wall of the handle (1), an elastic ring (3) is fixedly connected to the right side of the handle (1), a positioner (5) is fixedly mounted on the right side of the elastic ring (3), and a guide pin hole (4) is formed in the inner wall of the positioner (5).

2. The porous locator of claim 1, wherein: the diameter of the guide pin hole (4) is two centimeters, and the hole distance of the guide pin hole (4) is nine or six millimeters at zero point.

3. The porous locator of claim 1, wherein: the bottom end of the right side of the positioner (5) is designed to be a circular arc.

4. The porous locator of claim 1, wherein: grooves are formed in the outer walls of the handle (1) and the anti-falling block (2).

5. The porous locator of claim 1, wherein: the guide pin hole (4) penetrates through the top end of the positioner (5) and extends to the bottom end of the positioner (5), and the top end of the guide pin hole (4) is higher than the top zero point of the positioner (5) by five centimeters.