CN108888394B

CN108888394B - External orthopedic fixing device for joints

Info

Publication number: CN108888394B
Application number: CN201810599112.1A
Authority: CN
Inventors: 盛晓赟; 赵良功; 耿彬; 吴萌; 汉华; 郭来威; 许田恩; 夏亚一
Original assignee: Lanzhou University Second Hospital
Current assignee: Lanzhou University Second Hospital
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2020-11-10
Anticipated expiration: 2038-06-12
Also published as: CN108888394A

Abstract

The invention relates to an external orthopedic fixation device for joints, which comprises a first fixing frame, an extension bar and a connecting rod, wherein the upper end of the first fixing frame is connected with a fixing interface, the left side of the fixing interface is provided with a connecting block, a connecting bolt is arranged inside the connecting block, the extension bar is arranged on the inner side of the fixing interface, the lower end of the fixing interface is provided with a sliding rod, the back of the sliding rod is connected with a sliding block, and the lower end of the sliding rod is fixed with a support base. This an outside orthopedics fixing device for joint, fixed interface constitutes the active structure with extending the strip, and constitutes through connecting block and connecting bolt between the fixed interface and dismantle the structure, can stretch fixed interface and extension strip, makes fixed interface's diameter adjust to make fixed interface can be applicable to the patient of different upper arm diameters, make its application range extensive, run through the inside of connecting bolt perpendicular to connecting block, thereby fix the position after fixed interface adjusts.

Description

External orthopedic fixing device for joints

Technical Field

The invention relates to the technical field of orthopedics, in particular to an external orthopedic fixing device for joints.

Background

Orthopedics is one of the most common departments in various hospitals, mainly studies the anatomy, physiology and pathology of a skeletal muscle system, maintains and develops the normal form and function of the system by using medicines, operations and physical methods, and changes along with times and society change, the orthopedics injury spectrum has obvious changes, for example, diseases such as osteoarticular tuberculosis, osteomyelitis, poliomyelitis and the like are obviously reduced, the injuries caused by traffic accidents are obviously increased, and the orthopedics injury spectrum changes, so that the orthopedics is required to be advanced all the time.

Although current orthopedics is with fixing device at joint position can also carry out the screens with patient joint part and fix, but it is fixed to adopt to connect between the metal strip usually, such fixed mode makes patient joint part's metal strip outstanding, be unfavorable for patient's daily trip, fixing device is inside to adopt elongated metal strip to carry out qualitative screens to patient's bone position usually, but skin contact time overlength can cause frictional force between it between such metal strip and the patient too big, thereby make patient's skin top layer rub easily injured, and long-time metal screens like this can oppress patient's capillary vessel around the injury, thereby cause the problem that patient's blood does not circulate.

Disclosure of Invention

The invention aims to provide an external orthopedic fixing device for joints, which solves the problems that the joint part of a patient can be clamped and fixed by the conventional orthopedic joint fixing device in the background technology, but the joint part of the patient is usually connected and fixed by metal strips, the metal strips of the joint part of the patient are protruded in a fixing mode, the daily trip of the patient is not facilitated, the bone position of the patient is usually clamped and fixed by slender metal strips in the fixing device, but the friction force between the metal strips and the patient is too large due to too long contact time of the metal strips and the skin of the patient, so that the skin surface layer of the patient is easy to be rubbed and injured, and the blood of the patient is not circulated due to the fact that capillary vessels around the injured part of the patient are pressed by the long-time metal clamping.

In order to achieve the purpose, the invention provides the following technical scheme: an external orthopedic fixation device for joints comprises a first fixing frame, an extension bar and a connecting rod, wherein the upper end of the first fixing frame is connected with two fixing interfaces, the left ends of the two fixing interfaces are respectively provided with a connecting block, the inside of the connecting block is provided with a connecting bolt, the two ends of the extension bar are respectively movably connected with the inner sides of the right ends of the two fixing interfaces, the fixing interfaces and the extension bar form a movable structure, the fixing interfaces form a disassembly structure through the connecting block and the connecting bolt, the connecting bolt vertically penetrates through the inside of the connecting block, the first fixing frame comprises a plurality of sliding rods, the sliding rods are all arranged at the lower ends of the fixing interfaces, the back surfaces of the sliding rods are connected with sliding blocks, the lower ends of the sliding rods are fixedly provided with a supporting base, the lower end of the supporting base is provided with a fixing rod, and the lower end of the, the utility model discloses a flexible cloth, including the rotation axis, the dead lever passes through the rotation axis and constitutes revolution mechanic with the connecting rod, the connecting rod is connected in the right side of rotation axis, and one side of connecting rod is provided with elastic cloth, the dead lever passes through rotation axis and connecting rod constitution revolution mechanic, and elastic cloth constitutes zonulae occludens with dead lever and connecting rod respectively through bonding, the inside arrangement of elastic cloth has the fixed plate, the right side of connecting rod is fixed with the second mount, and the right side of second mount is connected with the telescopic link that a plurality of circumference were arranged, the right side of telescopic link is provided with the extension rod, and the right side of extension rod is connected.

Preferably, the sliding rod and the sliding block form a sliding structure, and the outer surface of the sliding rod is tightly attached to the inner side of the sliding block.

Preferably, the telescopic link passes through the extension rod and constitutes extending structure with the adjustable shelf, and its flexible scope is the length of soft cloth, and the axis position between the axis of a plurality of telescopic links and the soft cloth is the same moreover.

Preferably, the inboard of soft cloth inner wall is provided with the joining region, and one side of joining region is provided with the clutch blocks, the inboard of fixed interface inner wall is provided with the stopper, and the inboard of stopper installs the spring, the inboard of spring is connected with the contact lever, and the inboard of contact lever is provided with the contact block.

Preferably, the limiting blocks and the contact rods form an elastic structure through springs, the number of the elastic structures is 7, and the top end of each contact block is arc-shaped.

Preferably, the friction blocks are arc-shaped, and the friction blocks are annularly distributed around the center of the soft cloth.

Compared with the prior art, the invention has the beneficial effects that:

1. The movable structure is formed by the fixed interfaces and the extension bars, the disassembly structure is formed by the connecting blocks and the connecting bolts between the fixed interfaces, the fixed interfaces and the extension bars can be stretched, the diameters of the fixed interfaces can be adjusted, the fixed interfaces can be suitable for patients with different upper arm diameters, the application range of the fixed interfaces is wide, and the connecting bolts vertically penetrate through the inside of the connecting blocks, so that the adjusted positions of the fixed interfaces are fixed.

2. The sliding rod and the sliding block form a sliding structure, the outer surface of the sliding rod is tightly attached to the inner side of the sliding block, the sliding block and the sliding rod can slide according to the requirement of a wound fixing position of a patient, so that the position of the sliding block can be adjusted, the sliding device can be suitable for patients with different wound positions, the friction block is arc-shaped, and the position between the patient and the soft cloth can be stabilized by the friction block on the inner side of the soft cloth.

3. The fixed rod and the connecting rod form a rotating structure through the rotating shaft, the elastic cloth is respectively and tightly connected with the fixed rod and the connecting rod through bonding, the fixed rod and the connecting rod are opened through rotating the rotating shaft, the fixed rod and the connecting rod are distributed in the same parallel line, the arm of the patient passes through the fixed interface, and the upper half arm of the patient is fixedly attached to the first fixed frame.

4. The telescopic rod of the invention forms a telescopic structure through the extension rod and the movable frame, and the movable frame can be stretched through the extension rod and the telescopic rod, so that the movable frame can fix the external position of the soft cloth, and the adjustable mode also enables the movable frame to be suitable for the requirements of patients in different conditions, thereby facilitating the treatment activities of patients such as water-lifting medicine injection and the like.

5. According to the invention, the skin of the upper arm of a patient can be attached to the contact block, the contact block is arc-shaped and can be better clamped on the upper arm of the patient, the contact block and the skin can be clamped for a long time in such a clamping way, capillary vessels of the patient cannot be pressed, and the blood of the patient cannot circulate, the contact block is pressed by the upper arm of the patient, the contact block is made to stretch and contract with the spring through the contact rod, and the fixed position of the upper arm of the patient can be limited by the contact block through the limiting block.

Drawings

FIG. 1 is a schematic structural view of an external orthopaedic fixation device for joints according to the present invention;

FIG. 2 is a schematic diagram of a side view of a soft cloth of an external orthopaedic fixation device for joints according to the present invention;

FIG. 3 is a schematic side view of a fixation interface of an external orthopaedic fixation device for a joint of the present invention;

FIG. 4 is a side view of the internal structure of the fixation interface of the external orthopaedic fixation device for joints according to the present invention;

fig. 5 is an enlarged structural view taken at a point a in fig. 4 of an external orthopaedic fixation device for a joint according to the present invention.

In the figure: 1. first mount, 2, fixed interface, 3, connecting block, 4, connecting bolt, 5, extension strip, 6, slide bar, 7, sliding block, 8, support base, 9, dead lever, 10, rotation axis, 11, connecting rod, 12, elasticity cloth, 13, fixed plate, 14, second mount, 15, telescopic link, 16, extension rod, 17, adjustable shelf, 18, locating piece, 19, soft cloth, 20, joining region, 21, stopper, 22, spring, 23, contact rod, 24, contact block, 25, clutch blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: an external orthopedics fixing device for joints comprises a first fixing frame 1, fixing interfaces 2, connecting blocks 3, connecting bolts 4, extension strips 5, sliding rods 6, sliding blocks 7, a supporting base 8, a fixing rod 9, a rotating shaft 10, a connecting rod 11, elastic cloth 12, a fixing plate 13, a second fixing frame 14, a telescopic rod 15, extension rods 16, a movable frame 17, a positioning block 18, soft cloth 19, a connecting area 20, a limiting block 21, a spring 22, a contact rod 23, a contact block 24 and a friction block 25, wherein the upper end of the first fixing frame 1 is connected with two fixing interfaces 2, the left ends of the two fixing interfaces 2 are respectively provided with the connecting blocks 3, the connecting bolts 4 are installed inside the connecting blocks 3, the two ends of the extension strips 5 are respectively and movably connected to the inner sides of the right ends of the two fixing interfaces 2, the first fixing frame 1 comprises a plurality of sliding rods 6, and the plurality of sliding rods 6 are all arranged at the lower ends, the fixed interface 2 and the extension strip 5 form a movable structure, the fixed interface 2 and the extension strip 5 form a detachable structure through the connecting block 3 and the connecting bolt 4, the connecting bolt 4 vertically penetrates the connecting block 3 to stretch the fixed interface 2 and the extension strip 5, so that the diameter of the fixed interface 2 can be adjusted, the fixed interface 2 can be suitable for patients with different upper arm diameters, the application range is wide, the connecting bolt 4 vertically penetrates the connecting block 3 to fix the adjusted position of the fixed interface 2, the back of the sliding rod 6 is connected with the sliding block 7, the lower end of the sliding rod 6 is fixedly provided with the supporting base 8, the sliding rod 6 and the sliding block 7 form a sliding structure, the outer surface of the sliding rod 6 is tightly attached to the inner side of the sliding block 7, and the sliding block 7 and the sliding rod 6 can slide according to the requirement of the wound fixing position of the patient, therefore, the position of the sliding block 7 can be adjusted, the device can be suitable for patients with different wound positions, the lower end of the supporting base 8 is provided with the fixing rod 9, the lower end of the fixing rod 9 is provided with the rotating shaft 10, the sliding rod 6 and the sliding block 7 form a sliding structure, the outer surface of the sliding rod 6 is tightly attached to the inner side of the sliding block 7, the sliding block 7 and the sliding rod 6 can slide according to the requirement of the wound fixing position of a patient, so that the position of the sliding block 7 can be adjusted, the device can be suitable for patients with different wound positions, the connecting rod 11 is connected to the right side of the rotating shaft 10, and one;

a fixing plate 13 is arranged inside the elastic cloth 12, a second fixing frame 14 is fixed at the right side of the connecting rod 11, and the right side of the second fixed frame 14 is connected with a plurality of circumferentially arranged telescopic rods 15, the right side of the telescopic rods 15 is provided with an extension rod 16, the right side of the extension rod 16 is connected with a movable frame 17, the telescopic rod 15 forms a telescopic structure through the extension rod 16 and the movable frame 17, the telescopic range is the length of the soft cloth 19, and the central axes of the plurality of telescopic rods 15 are the same as the central axes between the soft cloth 19, the movable frame 17 is stretched with the telescopic rods 15 through the extension rods 16, so that the movable frame 17 fixes the external position of the soft cloth 19, the adjusting mode also enables the movable frame 17 to be suitable for the requirements of patients in different conditions, thereby facilitating the treatment activities such as infusion of the infusion and the like of the patient, the back of the telescopic rod 15 is fixed with a positioning block 18, and the right side of the positioning block 18 is connected with a soft cloth 19;

the inner side of the inner wall of the soft cloth 19 is provided with the connecting area 20, one side of the connecting area 20 is provided with the friction block 25, the friction block 25 is arc-shaped, the friction blocks 25 are annularly distributed around the center of the soft cloth 19, the friction block 25 on the inner side of the soft cloth 19 can stabilize the position between a patient and the soft cloth 19, the inner side of the inner wall of the fixed interface 2 is provided with the limiting block 21, the inner side of the limiting block 21 is provided with the spring 22, the limiting block 21 and the contact rod 23 form an elastic structure through the spring 22, the elastic structure has 7 groups, the top end of the contact block 24 is arc-shaped, the skin of the upper arm of the patient can be attached to the contact block 24, the contact block 24 is arc-shaped and can better clamp the upper arm of the patient, the clamping mode can enable the contact block 24 and the skin to be clamped for a long time without pressing the capillary vessel of the patient, the contact block 24 receives pressure caused by the circumference of the upper arm of the patient, the contact block 24 is made to stretch and contract with the spring 22 through the contact rod 23, the fixed position of the upper arm of the patient can be limited by the contact block 24 through the limiting block 21, the contact rod 23 is connected to the inner side of the spring 22, and the contact block 24 is arranged on the inner side of the contact rod 23.

The working principle of the embodiment is as follows: the external orthopedic fixing device for joints is characterized in that a fixing rod 9 is rotated to be opened through a rotating shaft 10 and a connecting rod 11, the fixing rod 9 and the connecting rod 11 are distributed in the same parallel line, the arm of a patient passes through a fixing interface 2, the upper half arm of the patient is fixedly attached to a first fixing frame 1, the lower half arm of the patient passes through the inside of a second fixing frame 14, the joint part of the patient is arranged inside an elastic cloth 12, the fixing plate 13 inside the elastic cloth 12 can support the joint part of the patient, the fixing interface 2 and an extension strip 5 are stretched according to the thickness adjustment of the upper half arm of the patient, the diameter of the fixing interface 2 is adjusted, the fixing interface 2 can be suitable for patients with different upper arm diameters, the application range of the fixing interface is wide, a connecting bolt 4 vertically penetrates through the inside of a connecting block 3, and the adjusted position of the fixing interface 2 is fixed, the upper arm skin of the patient is attached to the contact block 24, the contact block 24 is arc-shaped and can better clamp the upper arm of the patient, the contact block 24 can be clamped with the skin for a long time in a clamping mode and cannot press the capillary vessel of the patient, so that the blood of the patient is not circulated, the contact block 24 is stressed by the pressure caused by the upper arm circumference of the patient, the contact block 24 is made to stretch and contract with the spring 22 through the contact rod 23, the fixed position of the upper arm of the patient can be limited by the contact block 24 through the limiting block 21, the sliding block 7 and the sliding rod 6 slide according to the requirement of the wound fixed position of the patient, so that the position of the sliding block 7 can be adjusted, the device can be suitable for patients with different wound positions, the position of the patient can be fixed after the sliding through the bolts, the lower half arm of the patient is sleeved inside the soft cloth 19, the friction block 25 on the inner side of, the positioning block 18 can support the shape of the soft cloth 19, medical auxiliary equipment such as a needle tube and the like penetrates through the connecting area 20, so that a wound of a patient can be fixed and the wound can be treated synchronously, the movable frame 17 is stretched through the extension rod 16 and the telescopic rod 15, the movable frame 17 is enabled to fix the external position of the soft cloth 19, and the adjusting mode enables the movable frame 17 to be suitable for the requirements of patients in different situations, namely the working principle of the external orthopedic fixing device for joints.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. An external orthopaedic fixation device for joints, comprising a first fixation frame (1), an extension bar (5) and a connection rod (11), characterized in that: the upper end of the first fixing frame (1) is connected with two fixed interfaces (2), the left ends of the two fixed interfaces (2) are respectively provided with a connecting block (3), a connecting bolt (4) is installed inside the connecting block (3), two ends of the extension strip (5) are respectively movably connected with the inner sides of the right ends of the two fixed interfaces (2), a dismounting structure is formed between the two fixed interfaces (2) through the connecting block (3) and the connecting bolt (4), the connecting bolt (4) vertically penetrates through the inside of the connecting block (3), the first fixing frame (1) comprises a plurality of sliding rods (6), the sliding rods (6) are all arranged at the lower ends of the fixed interfaces (2), the back of each sliding rod (6) is connected with a sliding block (7), the lower ends of the sliding rods (6) are fixedly provided with a supporting base (8), the lower end of each supporting base (8) is provided with a fixing rod (9), a rotating shaft (10) is installed at the lower end of the fixed rod (9), the connecting rod (11) is connected to the right side of the rotating shaft (10), elastic cloth (12) is arranged on one side of the connecting rod (11), the fixed rod (9) and the connecting rod (11) form a rotating structure through the rotating shaft (10), the elastic cloth (12) is respectively and tightly connected with the fixed rod (9) and the connecting rod (11) through bonding, a fixed plate (13) is arranged inside the elastic cloth (12), a second fixed frame (14) is fixed on the right side of the connecting rod (11), a plurality of circumferentially-arranged telescopic rods (15) are connected to the right side of the second fixed frame (14), an extension rod (16) is arranged on the right side of each telescopic rod (15), a movable frame (17) is connected to the right side of each extension rod (16), and a positioning block (18) is fixed on the back of, and the right side of the positioning block (18) is connected with a soft cloth (19).

2. External orthopaedic fixation device for joints according to claim 1, characterized in that: the sliding rod (6) and the sliding block (7) form a sliding structure, and the outer surface of the sliding rod (6) is tightly attached to the inner side of the sliding block (7).

3. External orthopaedic fixation device for joints according to claim 1, characterized in that: the telescopic rod (15) forms a telescopic structure through the extension rod (16) and the movable frame (17), the telescopic range of the telescopic rod is the length of the soft cloth (19), and the central axes of the telescopic rods (15) are the same as the central axes between the soft cloth (19).

4. External orthopaedic fixation device for joints according to claim 1, characterized in that: the inboard of soft cloth (19) inner wall is provided with joining region (20), and one side of joining region (20) is provided with clutch blocks (25), the inboard of fixed interface (2) inner wall is provided with stopper (21), and spring (22) are installed to the inboard of stopper (21), the inboard of spring (22) is connected with contact lever (23), and the inboard of contact lever (23) is provided with contact block (24).

5. An external orthopaedic fixation device for joints according to claim 4, characterized in that: the limiting block (21) and the contact rod (23) form an elastic structure through a spring (22), the elastic structure comprises 7 groups, and the top end of the contact block (24) is arc-shaped.

6. An external orthopaedic fixation device for joints according to claim 4, characterized in that: the friction blocks (25) are arc-shaped, and the friction blocks (25) are annularly distributed around the circle center of the soft cloth (19).