CN111134713B

CN111134713B - A bracket for carpal tunnel fluoroscopy

Info

Publication number: CN111134713B
Application number: CN202010115694.9A
Authority: CN
Inventors: 刘涛; 刘守谦; 黄东生; 鲍飞龙; 亢世杰; 胡义明
Original assignee: Qilu Hospital of Shandong University Qingdao
Current assignee: Qilu Hospital of Shandong University Qingdao
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2024-12-13
Anticipated expiration: 2040-02-25
Also published as: CN111134713A

Abstract

The present invention discloses a novel support for carpal tunnel fluoroscopy, which relates to the field of orthopedic treatment equipment. The first perspective rod is arranged on the adjustment rod, and the height adjustment is realized under the action of the adjustment rod; the second perspective rod is arranged on the first perspective rod through the rotation of the second connecting rod, and is locked by a lock. The beneficial effects of the present invention are that the medical staff does not need to limit the patient's forearm, the operation is convenient, and the medical staff does not need to hold the patient's arm for fluoroscopy, which reduces the exposure to radiation; the perspective rod can be fluoroscopic, and the material is polyetheretherketone, which is routinely disinfected and ready for use, which reduces the use of other fixings such as plastic boxes, and also reduces the disadvantages of the fixings not being firmly fixed and the angle being not good; the support can fix the angle of the wrist very well, which is convenient for fluoroscopy and has high clinical repeatability; it does not require high-end intraoperative CT, which is convenient for promotion in a large number of grassroots hospitals.

Description

Bracket for wrist tube position perspective

Technical Field

The invention relates to the field of orthopedic treatment equipment, in particular to a bracket for wrist tube position perspective.

Background

Distal radius fractures are one of the most common fractures in clinic, and palmar bone plates are the common method of treating unstable distal radius fractures, with dorsal projection of screws being the primary cause of dorsal extensor tendon irritation and even fracture. Conventional positive lateral fluoroscopy during surgery does not solve this problem, and the inventors propose and improve carpal tunnel fluoroscopy to monitor dorsal cutting of the screws during surgery and ulnar joint afferent (journal of chinese orthopedics 2017, month 6, volume 37, 11).

When performing wrist tube position perspective, the patient needs to bend elbow joints, dorsiflex wrist joints and rotate forearms, which is generally performed by pulling on the patient by an operator or an assistant, and the patient needs to receive radiation exposure to cause damage to the body. If the sterilized plastic box is used for fixing the forearm and the wrist, radiation exposure is reduced, and the disadvantage is that the fixation is unreliable, and the wrist position, the angle or the angle of the bulb of the perspective machine needs to be adjusted for many times to obtain satisfactory perspective images, so that the operation time is greatly prolonged, and the corresponding operation risk and the infection rate are increased.

Disclosure of Invention

The invention aims to solve the technical problems that the wrist position and angle can be well fixed, the height can be adjusted to adapt to patients with different body types, the wrist position can be seen through, and the bracket for wrist tube position see-through is designed.

The technical scheme includes that the bracket for wrist tube position perspective comprises an adjusting rod, a first perspective rod and a second perspective rod, wherein the first perspective rod is arranged on the adjusting rod, the height of the first perspective rod is adjusted under the action of the adjusting rod, and the second perspective rod is rotatably arranged on the first perspective rod through a second connecting rod and is locked through a lock catch.

Further, the second connecting rod is arranged at two ends of the first perspective rod, and when the second perspective rod is close to the adjusting rod, the second perspective rod abuts against the adjusting rod.

Further, the hasp includes fixed block, screw rod and bull stick, fixed block and the fixed setting of screw rod, the bull stick slides and sets up in the fixed block, the rotatory setting of screw rod is in first perspective pole, the second connecting rod sets up between first perspective pole and fixed block, the screw rod passes the second connecting rod.

Further, the first perspective rod is fixedly arranged on the adjusting rod through a first connecting rod.

Further, the first and second perspective rods are made of polyether-ether-ketone.

Further, a base is arranged at the bottom end of the adjusting rod, and the adjusting rod and the base are rotatably arranged.

Further, the adjusting rod is an extension loop bar.

Further, an auxiliary rod is arranged on the side face of the adjusting rod.

The medical arm support has the advantages that medical staff are not required to limit the forearm of a patient, the operation is convenient, the medical staff is not required to grasp the arm perspective of the patient, radiation exposure is reduced, the perspective rod is transparent, the material is polyether-ether-ketone, the medical arm support is used for conventional disinfection, the application of other fixtures such as a plastic box is reduced, the defects of unstable fixation and poor angle of the fixtures are also reduced, the wrist angle of the support can be well fixed, the perspective is convenient, the clinical repeatability is high, the intraoperative CT is not required, and the medical arm support is convenient for popularization in vast primary hospitals.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a support for carpal tunnel site perspective;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

FIG. 4 is an enlarged view of a portion of B in FIG. 1;

fig. 5 is a schematic structural view of a bracket for wrist tube position perspective, in which a second perspective rod contacts an adjusting rod.

In the figures, 1, an adjusting rod, 2, a first perspective rod, 3, a second perspective rod, 4, a second connecting rod, 5, a lock catch, 501, a fixed block, 502, a screw rod, 503, a rotating rod, 6, a first connecting rod, 7, a base, 8 and an auxiliary rod.

Detailed Description

Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the bracket for perspective of the wrist tube position comprises an adjusting rod 1, a first perspective rod 2 and a second perspective rod 3.

Referring to fig. 2, a first perspective bar 2 is disposed on an adjustment bar 1, and height adjustment is achieved by the adjustment bar 1. The first perspective rod 2 is fixedly arranged on the adjusting rod 1 through the first connecting rod 6, and the second perspective rod 2 is movably connected with the adjusting rod 1, but the first perspective rod 2 is ensured to be stable when in use.

In order to adjust the height of the first perspective bar 2, referring to fig. 1, the adjusting bar 1 is an elongated sleeve bar, and the height of the adjusting bar 1 is increased by rotating the middle circular sleeve, so that the height of the first perspective bar 2 is adjusted, and the height adjusting range does not need to be too large in consideration of the length of the arm. Or referring to fig. 4, the bottom end of the adjusting rod 1 is provided with a base 7, the adjusting rod 1 and the base 7 are rotatably arranged, and the screwing length between the base 7 and the adjusting rod 1 can also be used for fine adjustment of the height of the first perspective rod 2. Although the base 7 may be used to provide support, its support strength is difficult to satisfy, so that the auxiliary lever 8 may be provided at the side of the adjustment lever 1.

Referring to fig. 2, the second perspective rod 3 is rotatably disposed on the first perspective rod 2 by a second link 4 and is locked by a lock catch 5, and the lock catch 5 functions to fix the position between the second perspective rod 3 and the first perspective rod 2.

With respect to the lock catch 5, the present application provides an embodiment that is convenient to implement, referring to fig. 2 and 3, the lock catch 5 includes a screw 502, a fixed block 501 and a rotating rod 503, the fixed block 501 and the screw 502 are fixedly arranged, the rotating rod 503 is slidably arranged in the fixed block 501, the screw 502 is rotatably arranged in the first perspective rod 2, the second connecting rod 4 is arranged between the first perspective rod 2 and the fixed block 501, and the screw 502 passes through the second connecting rod 4.

By rotating the fixing block 501 by the rotating rod 503, the screw 502 moves out outwards, and the second connecting rod 4 between the fixing block 501 and the first perspective rod 2 is loosened, at this time, the position adjustment between the first perspective rod 2 and the second perspective rod 3 can be realized by rotating the second connecting rod 4, and when the position is reached, the rotating rod 503 is rotated in the opposite direction, so that the second connecting rod 4 is fixed. Here, it is possible to rotate the rotating lever 503 slightly, and there is no jamming. The rotating rod 503 can slide in the fixed block 501, so that the length of the rotating rod 503 can be reduced, and the operation control is convenient.

When in use, the medical staff adjusts the height of the first perspective rod 2 and the position between the first perspective rod 2 and the second perspective rod 3 according to the condition of a patient (or suspected patient). Under the guidance of medical staff, the elbow joint is buckled, the forearm is rotated back, the wrist joint is bent back to the greatest extent, the hand is placed at a position between the first perspective rod 2 and the second perspective rod 3, the back of the hand is leaned against the first perspective rod 2, the finger is clenched on the second perspective rod 3, and in the process, the medical staff can also finely adjust the height of the first perspective rod 2 and the position between the first perspective rod 2 and the second perspective rod 3 according to actual conditions. Patient' s

The carpal tunnel of the (or suspected) patient is penetrated and the patient is subjected to joint fluoroscopy.

On the basis of the above, the second connecting rods 4 are disposed at both ends of the first perspective rod 2, and when the second perspective rod 3 approaches the adjusting rod 1, the second perspective rod 3 abuts against the adjusting rod 1, i.e., the position shown in fig. 5. At this time, when in use, the back of the hand can be directly leaned against the second perspective bar 3, and the finger is clenched on the first perspective bar 2, so that the use range is enlarged by the design, and the bracket is convenient to store.

Considering that the bracket needs to be used for perspective, the first perspective rod 2 and the second perspective rod 3 are opposite to the instrument, and the first perspective rod 2 and the second perspective rod 3 are made of polyether-ether-ketone.

It should be understood that the foregoing embodiments are merely illustrative of the technical solutions of the present invention and not limiting, and that modifications of the technical solutions described in the foregoing embodiments or equivalent substitutions of some technical features thereof may be made by those skilled in the art so long as there is no structural conflict, and all such modifications and substitutions should fall within the scope of the appended claims.

Claims

1. A support for carpal tunnel site fluoroscopy, comprising:

The adjusting rod (1), the adjusting rod (1) is an extension sleeve rod, a base (7) is arranged at the bottom end of the adjusting rod (1), and the adjusting rod (1) and the base (7) are rotatably arranged;

A first perspective rod (2), wherein the first perspective rod (2) is arranged on the adjusting rod (1) and realizes the height adjustment under the action of the adjusting rod (1), and

The second perspective rod (3) is rotatably arranged on the first perspective rod (2) through a second connecting rod (4) and is locked through a lock catch (5);

The second connecting rods (4) are arranged at two ends of the first perspective rods (2), and when the second perspective rods (3) are close to the adjusting rods (1), the second perspective rods (3) are propped against the adjusting rods (1);

The lock catch (5) comprises a fixed block (501), a screw rod (502) and a rotating rod (503), wherein the fixed block (501) and the screw rod (502) are fixedly arranged, the rotating rod (503) is slidably arranged in the fixed block (501), the screw rod (502) is rotatably arranged in the first perspective rod (2), the second connecting rod (4) is arranged between the first perspective rod (2) and the fixed block (501), and the screw rod (502) penetrates through the second connecting rod (4);

The first perspective rod (2) is fixedly arranged on the adjusting rod (1) through a first connecting rod (6).

2. The bracket for wrist tube position fluoroscopy according to claim 1, wherein the first and second perspective rods (2, 3) are made of polyether-ether-ketone.

3. The bracket for wrist tube position perspective according to claim 1, wherein an auxiliary rod (8) is arranged on the side surface of the adjusting rod (1).