CN214632310U

CN214632310U - Adjustable femur neck hollow nail positioner

Info

Publication number: CN214632310U
Application number: CN202120065629.XU
Authority: CN
Inventors: 何学; 王懋成
Original assignee: Guilin Xinghao Technology Co ltd; Xing'an Jieshou Orthopedic Hospital Co ltd
Current assignee: Guilin Xinghao Technology Co ltd; Xing'an Jieshou Orthopedic Hospital Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-09
Anticipated expiration: 2031-01-12

Abstract

The utility model provides an adjustable femoral neck hollow nail positioner, which comprises a positioning plate, a first fixed rod arranged at one end of the positioning plate and hinged with the positioning plate, a first fixer arranged at the first fixed rod and connected with the first fixed rod in a sliding way, a second fixed rod arranged at one end of the positioning plate far away from the first fixed rod and hinged with the positioning plate, and a second fixer arranged at the second fixed rod and connected with the second fixed rod in a sliding way, wherein the first fixer and the second fixer have the same structure; when the positioning plate is used, the first fixing device is fixed on the waist of a patient, the second fixing device is fixed on the thigh of the patient, and the positioning plate is positioned on the affected part of the patient by adjusting the relative position of the first fixing rod and the first fixing device and the relative position of the second fixing rod and the second fixing device. Compared with the prior art, the utility model provides an adjustable thighbone neck hollow nail locator, with patient's health laminating, installation firmly and the position is adjustable.

Description

Adjustable femur neck hollow nail positioner

Technical Field

The utility model relates to the technical field of medical auxiliary appliances, in particular to an adjustable femoral neck hollow nail positioner.

Background

Femoral neck fractures are the most common injuries to the hip, with the incidence of fractures occurring second only to distal radius fractures in full body fractures. The fracture is caused by careless fall during walking, the hip is landed, and the hip is painful after injury, and the patient cannot stand or walk. The fracture of femoral neck of young people is caused by violent violence such as car accidents or high-altitude falling injury. Most of the femoral neck fractures are more significantly displaced and because of the greater leverage at this location, the fractures are unstable and, therefore, most require surgical treatment.

In the operation of treating femoral neck fracture, the method adopted is closed reduction internal fixation, and in the treatment process, the joint capsule is not cut, the fracture end is not exposed, the interference on femoral head blood circulation is less, the postoperative complication risk is lower, and the effect is optimal.

However, in the femoral neck fracture operation in the prior art, the positioner is usually used for positioning and guiding the insertion of the kirschner wire, in clinic, the setting position of the positioner mostly depends on the experience of a doctor, and meanwhile, the positioner cannot be well attached to the body of a patient, the position of the positioner is easy to deviate along with the walking or turning of the patient, and a lot of troubles are added to the medical process.

Therefore, there is a need to provide a new adjustable femoral neck hollow nail positioner which is fit to the patient's body, has a firm installation and is adjustable in position to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a novel adjustable femur neck hollow nail positioner which is firmly attached to the body of a patient and has adjustable position.

In order to solve the technical problem, the utility model provides an adjustable femoral neck hollow nail positioner for the auxiliary treatment of femoral neck fracture, which comprises a positioning plate, a first fixed rod arranged at one end of the positioning plate and hinged with the positioning plate, a first fixer arranged at the first fixed rod and connected with the first fixed rod in a sliding way, a second fixed rod arranged at one end of the positioning plate far away from the first fixed rod and hinged with the positioning plate, and a second fixer arranged at the second fixed rod and connected with the second fixed rod in a sliding way, wherein the first fixer and the second fixer have the same structure;

when the positioning plate is used, the first fixing device is fixed on the waist of a patient, the second fixing device is fixed on the thigh of the patient, and the positioning plate is positioned on the affected part of the patient by adjusting the relative position of the first fixing rod and the first fixing device and the relative position of the second fixing rod and the second fixing device.

Preferably, the first fixer includes a housing having an accommodating space, an elastic bandage with one end arranged in the accommodating space and fixedly connected with the housing, and a clamping head fixedly arranged at the other end of the elastic bandage, the housing includes a first port communicated with the accommodating space and a second port arranged at the other end, and the clamping head is detachably connected with the first port and the second port respectively.

Preferably, first fixer still include with casing fixed connection's slide, the slide includes two splint that parallel to each other interval set up and follows two the thickness direction of splint runs through the screw that sets up, during the operation, through twisting two screw adjustment is two interval between the splint.

Preferably, the slider is integrally formed with the housing.

Preferably, the positioning plate includes a plate body portion, a plurality of positioning holes penetrating through the plate body portion in the thickness direction, and two bosses extending from opposite sides of the plate body portion in the opposite directions, the first fixing rod and the second fixing rod have the same structure, one end of the first fixing rod is provided with a clamping groove matched with the boss, and the two bosses are respectively clamped in the clamping groove of the first fixing rod and the clamping groove of the second fixing rod.

Preferably, the positioning plate further includes a buffer plate stacked on the plate body portion, and the plurality of positioning holes penetrate through the buffer plate.

Preferably, the plurality of positioning holes are arranged at intervals, and are arrayed on the plate body part to form a rectangular array.

Compared with the prior art, the adjustable femoral neck hollow nail positioner comprises a positioning plate, a first fixed rod arranged at one end of the positioning plate and hinged with the positioning plate, a first fixer arranged at the first fixed rod and connected with the first fixed rod in a sliding way, a second fixed rod arranged at one end of the positioning plate far away from the first fixed rod and hinged with the positioning plate, and a second fixer arranged at the second fixed rod and connected with the second fixed rod in a sliding way, when in use, the first fixer is fixed at the waist of a patient, the second fixer is fixed at the thigh of the patient, and by adjusting the relative position of the first fixed rod and the first fixer and the relative position of the second fixed rod and the second fixer, make the locating plate is positioned in the affected part of disease, has solved prior art locating plate itself and can't fix a position, the problem of deviation appears easily, simultaneously, thighbone neck hollow nail locator and patient's health laminating, installation are firm and the position is adjustable, practical and convenient with adjustable.

Drawings

FIG. 1 is a schematic perspective view of an adjustable femoral neck hollow nail positioner according to the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a positioning plate in the adjustable femoral neck hollow nail positioner provided by the present invention;

fig. 3 is a cross-sectional view of the first fixer in the adjustable femoral neck hollow nail positioner provided by the utility model.

In the figure, 100, the adjustable femur neck hollow nail positioner; 10. positioning a plate; 11. a plate body portion; 12. positioning holes; 13. a boss; 14. a buffer plate; 20. a first fixing lever; 30. a first holder; 31. a housing; 311. a first port; 312. a second port; 32. an elastic band; 33. a clamping head; 34. a slide base; 341. a splint; 342. a screw; 40. a second fixing bar; 50. a second holder; 101. an accommodating space.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples. The following experimental examples and examples are intended to further illustrate but not limit the invention.

Referring to fig. 1 to 3, the present invention provides an adjustable femoral neck hollow nail positioner 100 for assisting in the treatment of femoral neck fracture.

The adjustable femoral neck hollow nail positioner 100 comprises a positioning plate 10, a first fixing rod 20 arranged at one end of the positioning plate 10 and hinged to the positioning plate 10, a first fixing rod 30 arranged at the first fixing rod 20 and slidably connected to the first fixing rod 20, a second fixing rod 40 arranged at one end of the positioning plate 10, far away from the first fixing rod 20, and slidably connected to the positioning plate 10, and a second fixing rod 50 arranged at the second fixing rod 40 and slidably connected to the second fixing rod 40. Wherein the first holder 30 and the second holder 50 have the same structure.

In the using process of the adjustable femoral neck hollow nail positioner 100, the first fixing device 30 is fixed at the waist of a patient, the second fixing device 50 is fixed at the thigh of the patient, and the positioning plate 10 is positioned at the affected part of the patient by adjusting the relative positions of the first fixing rod 20 and the first fixing device 30 and the relative positions of the second fixing rod 40 and the second fixing device 50.

The positioning plate 10 includes a plate body 11, a plurality of positioning holes 12 penetrating the plate body 11 in a thickness direction, two bosses 13 extending from opposite sides of the plate body 11 in a back direction, and a buffer plate 14 stacked on the plate body 11. The positioning holes 12 penetrate through the buffer plate 14.

Preferably, in the present embodiment, the plurality of positioning holes 12 are provided at intervals, and the plurality of positioning holes 12 are arrayed in a rectangular array on the plate body portion 11.

Preferably, in this embodiment, the material of buffer board 14 is rubber, through setting up buffer board 14 in the installation of adjustable thighbone neck hollow nail locator 100, through with buffer board 14 is close to the affected part of disease, plays the effect of buffering, has avoided the oppression that plate body portion 11 caused the affected part, has avoided secondary damage.

The first fixing lever 20 and the second fixing lever 40 have the same structure. Specifically, one end of the first fixing rod 20 is provided with a slot (not shown) matched with the boss 13. Correspondingly, a slot (not shown) matched with the boss 13 is also arranged at one end of the second fixing rod 40. The two bosses 13 are respectively clamped in the clamping groove of the first fixing rod and the clamping groove of the second fixing rod 40 to form a hinged fixing structure.

Specifically, under the natural state of adjustable femoral neck hollow nail locator 100, the axis of first dead lever 20 with the axis of second dead lever 40 is same straight line, works as after adjustable femoral neck hollow nail locator 100 is installed, can be through right first dead lever 20 with second dead lever 40 with the adjustment of the pin joint of locating plate 10 makes adjustable femoral neck hollow nail locator 100 is laminated with the health of disease.

The first fixer 30 includes a housing 31 having an accommodating space 101, an elastic band 32 having one end disposed in the accommodating space 101 and fixedly connected to the housing 31, a snap joint 33 fixedly disposed at the other end of the elastic band 32, and a slide 34 fixedly connected to the housing 31.

The housing 31 includes a first port 311 communicating with the receiving space 101 and a second port 312 provided at the other end. The card connector 33 is detachably connected to the first port 311 and the second port 312, respectively. That is, in the natural state of the first holder 30, the elastic band 32 is completely accommodated in the accommodating space 101, the snap connector 33 is attached to the first port 311 by pulling the elastic band 32, and in the operating state of the first holder 30, the medical staff may snap the snap connector 33 to the second port 312 by pulling the snap connector 33 so that the snap connector 33 is separated from the attached state with the first port 311, and after the waist of the patient is surrounded by the elastic band 32.

The slide base 34 includes two clamp plates 341 arranged in parallel at an interval and a screw 342 arranged to penetrate in a thickness direction of the two clamp plates 341. In operation, the distance between the two clamping plates 341 is adjusted by twisting the screw 342. Specifically, when the medical staff needs to adjust the relative position between the first fixer 30 and the first fixing rod 20, the screw 342 is twisted to move the two clamping plates 341 in the opposite direction, so that the gap between the two clamping plates 341 is increased, at this time, the first fixer 30 can slide on the first fixing rod 20, and after the first fixer 30 slides to a proper position, the medical staff rotates the screw 342 in the opposite direction to move and clamp the two clamping plates 341 in opposite directions, so that the first fixer 30 is fixed.

Preferably, in the present embodiment, the slider 34 is integrally formed with the housing 31.

The second holder 50 has the same structure as the first holder 30, and thus, the description thereof is omitted.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should be construed as the scope of the present invention.

Claims

1. An adjustable femoral neck hollow nail positioner is used for assisting in treating femoral neck fracture and is characterized by comprising a positioning plate, a first fixing rod, a first fixer, a second fixing rod and a second fixer, wherein the first fixing rod is arranged at one end of the positioning plate and hinged to the positioning plate, the first fixer is arranged on the first fixing rod and slidably connected with the first fixing rod, the second fixing rod is arranged at one end, far away from the first fixing rod, of the positioning plate and hinged to the positioning plate, the second fixer is arranged on the second fixing rod and slidably connected with the second fixing rod, and the first fixer and the second fixer are identical in structure;

2. The adjustable femoral neck cannulated nail positioner according to claim 1, wherein the first fixator comprises a housing having an accommodating space, an elastic band with one end arranged in the accommodating space and fixedly connected with the housing, and a clamping head fixedly arranged at the other end of the elastic band, the housing comprises a first port communicated with the accommodating space and a second port arranged at the other end, and the clamping head is detachably connected with the first port and the second port respectively.

3. The adjustable femoral neck cannulated nail positioner of claim 2, wherein the first fixator further comprises a sliding base fixedly connected with the housing, the sliding base comprises two clamping plates arranged in parallel and at an interval and a screw arranged in a penetrating manner along the thickness direction of the two clamping plates, and the screw is twisted to adjust the distance between the two clamping plates during operation.

4. The adjustable femoral neck cannulated nail positioner of claim 3, wherein the carriage is integrally formed with the housing.

5. The adjustable femoral neck cannulated nail positioner of claim 1, wherein the positioning plate comprises a plate body, a plurality of positioning holes penetrating the plate body along the thickness direction of the plate body, and two bosses extending from opposite sides of the plate body in a back-to-back manner, the first fixing rod and the second fixing rod have the same structure, one end of the first fixing rod is provided with a clamping groove matched with the boss, and the two bosses are respectively clamped in the clamping groove of the first fixing rod and the clamping groove of the second fixing rod.

6. The adjustable femoral neck cannulated nail positioner of claim 5, wherein the positioning plate further comprises a bumper plate stacked on the plate body portion, and the plurality of positioning holes extend through the bumper plate.

7. The adjustable femoral neck cannulated nail positioner of claim 5, wherein a plurality of the positioning holes are spaced apart and arrayed in a rectangular array on the plate body portion.