CN215534399U

CN215534399U - Angle measuring device for functional exercise after knee joint replacement

Info

Publication number: CN215534399U
Application number: CN202121466978.9U
Authority: CN
Inventors: 胡朝
Original assignee: Southern Hospital Southern Medical University
Current assignee: Southern Hospital Southern Medical University
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-18
Anticipated expiration: 2031-06-29

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to an angle measuring device for functional exercise after knee joint replacement, which comprises a thigh fixing plate and a shank fixing plate, wherein installation cavities are formed in the thigh fixing plate and the shank fixing plate, extension plates are installed in the installation cavities, a connecting mechanism is arranged between the two extension plates, a telescopic self-locking mechanism is arranged at the tops of the extension plates and the installation cavities, the telescopic self-locking mechanism comprises a clamping groove and a fixing cavity, the clamping groove is uniformly formed in the surface of the extension plate, a clamping ball is arranged in the fixing cavity, the clamping ball is matched with the clamping groove, the diameter of the clamping ball is smaller than the diameter of an opening of the fixing cavity, a spring is arranged on one side of the clamping ball, and binding belt structures are respectively arranged on two sides of the thigh fixing plate and the shank fixing plate.

Description

Angle measuring device for functional exercise after knee joint replacement

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to an angle measuring device for functional exercise after knee joint replacement.

Background

The knee joint is an important weight bearing joint of the lower limb, and the structure and function of the knee joint are the most complicated of the joints of the human body. Degenerative knee joint arthropathy is a common disease in the elderly, with symptoms reported above 50 years of age in men with 35% and women up to 74%. More and more patients with severe knee osteoarthritis need artificial knee replacement; the knee replacement can relieve knee pain, improve knee function, correct knee deformity and achieve long-term stability.

Present knee joint replacement postoperative patient need carry out the extension and the crooked training of shank, and need standardize crooked angle scope during crooked training, the application patent of publication number CN213309718U, through first cladding belt and first cladding bandage, and second cladding belt and second cladding bandage respectively with first fixed plate and second fixed plate fix this device in patient's thigh and shank, because the shape of fixed plate is the rectangle strawboard shape, and do not laminate the shank, lead to the fixed plate to lead to the bandage can't tighten and produce the skew in the use, and because patient's height size diverse, the unable regulation of distance between the fixed plate, lead to it can have certain limitation in the use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the angle measuring device for functional exercise after knee joint replacement, the arc-shaped fixing plate is designed to be tightly attached to the positions of thighs and shanks of a human body, the thighs and the shanks are more comfortable and prevented from shifting after being bound, and the fixing plate can be used by people with different heights and body shapes by stretching the extension plate.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an angle measuring device for changing function exercise behind knee joint, includes thigh fixed plate and shank fixed plate, the installation cavity has all been seted up to thigh fixed plate and shank fixed plate inside, installation cavity internally mounted has the extension board, two be provided with coupling mechanism between the extension board, extension board and installation cavity top are provided with flexible self-locking mechanism, flexible self-locking mechanism includes draw-in groove and fixed chamber, the draw-in groove is evenly seted up on the extension board surface, the inside card ball that is provided with of fixed chamber, card ball and draw-in groove looks adaptation, card ball footpath is less than fixed chamber accent diameter, card ball one side is provided with the spring, thigh fixed plate and shank fixed plate both sides are provided with the bandage structure respectively.

As the preferred technical scheme of the angle measuring device for functional exercise after knee joint replacement, the sections of the thigh fixing plate, the shank fixing plate and the extension plate are all arc-shaped.

According to the preferred technical scheme of the angle measuring device for functional exercise after replacement of the knee joint, the connecting mechanism comprises the connecting sleeve and the connecting shaft, the connecting shaft penetrates through the connecting sleeve, and the connecting shaft is in interference connection with the connecting sleeve.

According to the preferred technical scheme of the angle measuring device for functional exercise after knee joint replacement, pointers are arranged on the outer edges of the two ends of the connecting shaft, and first scales are arranged on the two ends of the connecting sleeve.

According to the preferred technical scheme of the angle measuring device for functional exercise after knee joint replacement, the bandage structure comprises the elastic belt and the magic tape hook surface, the elastic belt is fixed on one side of the thigh fixing plate and one side of the shank fixing plate respectively, the magic tape hook surface is fixed on the other side of the thigh fixing plate and the other side of the shank fixing plate respectively, and one end of the elastic belt is sewn with the magic tape hair surface.

According to the preferred technical scheme of the angle measuring device for functional exercise after knee joint replacement, the top of the installation cavity is provided with the pull groove, the installation cavity is communicated with the pull groove, the two sides of the outer wall of the pull groove are symmetrically provided with the second scales, the top surface of the extension plate is fixed with the shifting rod, the rod body of the shifting rod penetrates through the pull groove and extends to the outside, and the top end of the shifting rod is provided with the shifting block.

As the preferred technical scheme of the angle measuring device for functional exercise after knee joint replacement, the inner sides of the thigh fixing plate and the shank fixing plate are both fixed with anti-skid pads.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the thigh fixing plate is bound at the position of the thigh by using the binding belt structure, then the extension plate is pulled, the distance between the fixing plates is adjusted to a proper distance, the clamping ball in the fixing cavity is automatically clamped into the clamping groove by using the spring, the extension plate is fixed after being stretched, and then the shank fixing plate is fixed on the shank by using the binding belt structure, so that the application range of patients is expanded.

(2) Be the arc through being thigh fixed plate and shank fixed plate design, make its patient shank of more laminating, bind the back more comfortable and prevent the skew, and accessible connecting axle is taken exercise and is rotated along patient shank in connecting sleeve, and the epaxial pointer of connecting can corresponding point to the scale value that corresponds be convenient for the nursing staff and read the record.

(3) Through pasting the hook face with the magic and setting up in one side alone, paste the lining cloth laminating shank of hook face with the magic earlier when binding the bandage, stretch the parcel opposite side shank with elastic webbing one end again, later with the magic paste the hair side rather than the bonding can, prevent to collude face one side and scrape the shank, cause the discomfort.

(4) Stirring through the shifting block drives the driving lever, and the driving lever drives the extension board, utilizes the scale on draw-in groove surface to read, and tensile corresponding length makes its length that adapts to patient's shank, and the slipmat can prevent to slide to both sides when the fixed plate laminating shank, and is further fixed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall development of the present invention;

FIG. 2 is a cross-sectional view of a thigh securing plate according to the present invention;

fig. 3 is a side view of a connecting shaft and connecting sleeve of the present invention.

In the figure: 1. hook surface of magic tape; 2. groove drawing; 3. a thigh fixing plate; 4. a card slot; 5. shifting blocks; 6. Magic tape hair side; 7. an elastic band; 8. a second scale; 9. an extension plate; 10. a shank fixing plate; 11. A mounting cavity; 12. a spring; 13. a fixed cavity; 14. a deflector rod; 15. blocking the ball; 16. a pointer; 17. a first scale; 18. a connecting sleeve; 19. a connecting shaft; 20. a non-slip mat.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: an angle measuring device for functional exercise after knee joint replacement comprises a thigh fixing plate 3 and a shank fixing plate 10, wherein installation cavities 11 are formed in the thigh fixing plate 3 and the shank fixing plate 10, extension plates 9 are installed in the installation cavities 11, a connecting mechanism is arranged between the two extension plates 9, a telescopic self-locking mechanism is arranged at the tops of the extension plates 9 and the installation cavities 11 and comprises clamping grooves 4 and fixing cavities 13, the clamping grooves 4 are uniformly formed in the surfaces of the extension plates 9, clamping balls 15 are arranged in the fixing cavities 13, the clamping balls 15 are matched with the clamping grooves 4, the ball diameters of the clamping balls 15 are smaller than the diameter of the openings of the fixing cavities 13, springs 12 are arranged on one sides of the clamping balls 15, binding belt structures are arranged on two sides of the thigh fixing plate 3 and the shank fixing plate 10 respectively, and the sections of the thigh fixing plate 3, the shank fixing plate 10 and the extension plates 9 are arc-shaped, in this embodiment, utilize the bandage structure to bind thigh fixed plate 3 earlier in the thigh position, pull extension board 9 again, with the suitable distance of interval adjustment between the fixed plate, fixed 13 inside card balls 15 of chamber utilize spring 12 automatic card to go into inside draw-in groove 4, will extend the tensile back of board 9 and fix, rethread bandage structure with shank fixed plate 10 fix on the shank can, its patient crowd's application scope has been enlarged, and be the arc through designing thigh fixed plate 3 and shank fixed plate 10, make its patient's shank of more laminating, it is more comfortable after binding, prevent that the fixed plate from to the skew of both sides.

In order to facilitate reading records by a caregiver, in this embodiment, as a preferred technical solution of the angle measuring device for functional exercises after knee joint replacement according to the present invention, the connecting mechanism includes a connecting sleeve 18 and a connecting shaft 19, the connecting shaft 19 penetrates through the connecting sleeve 18, the connecting shaft 19 is in interference connection with the connecting sleeve 18, outer edges of two ends of the connecting shaft 19 are respectively provided with a pointer 16, two ends of the connecting sleeve 18 are respectively provided with a first scale 17, the connecting shaft 19 rotates in the connecting sleeve 18 along with leg exercises of a patient, and the pointer 16 on the connecting shaft 19 can correspondingly point to a corresponding scale value.

In order to bind the fixing plate to the leg and prevent one side of the hook and loop fastening surface 1 from scratching the leg and causing discomfort, in the embodiment, as a preferred technical scheme of the angle measuring device for functional exercise after knee joint replacement, the binding band structure comprises an elastic band 7 and a hook and loop fastening surface 1, the elastic band 7 is fixed on one side of the thigh fixing plate 3 and one side of the shank fixing plate 10 respectively, the hook and loop fastening surface 1 is fixed on the other side of the thigh fixing plate 3 and the other side of the shank fixing plate 10 respectively, and one end of the elastic band 7 is sewn with a hook and loop fastening surface 6.

In order to facilitate pulling of the extension plate 9, in this embodiment, as an optimal technical scheme of the angle measuring device for functional exercise after replacement of knee joint of the present invention, a pull groove 2 is formed in the top of the installation cavity 11, the installation cavity 11 is communicated with the pull groove 2, second scales 8 are symmetrically arranged on two sides of the outer wall of the pull groove 2, a shift lever 14 is fixed on the top surface of the extension plate 9, a lever body of the shift lever 14 penetrates through the pull groove 2 and extends to the outside, and a shift block 5 is arranged at the top end of the shift lever 14.

In order to make the fixing plate more fit to the leg and prevent the fixing plate from sliding to both sides, in this embodiment, as a preferred technical solution of the angle measuring device for functional exercise after replacing knee joint of the present invention, the inner sides of the thigh fixing plate 3 and the shank fixing plate 10 are both fixed with the anti-slip pad 20.

In summary, according to the above technical solution of the present invention, the lining cloth of the hook-and-loop fastening surface 1 on one side of the thigh fixing plate 3 is attached to the thigh, the elastic band 7 on the other side is stretched to wrap the leg on the other side, and then the hook-and-loop fastening surface 6 is bonded to the hook-and-loop fastening surface 1, so as to bind the thigh fixing plate 3 at the thigh position, and then the shifting block 5 is shifted, the shifting block 5 drives the shifting lever 14, the shifting lever 14 drives the extension plate 9, and the second scale 8 on the surface of the pull groove 2 is used to read, so that the extension plate 9 is stretched by a corresponding length, and the distance between the fixing plates is adjusted, when the extension plate 9 is pulled, the detent ball 15 inside the fixing cavity 13 is automatically clamped inside the detent groove 4 by the spring 12, the extension plate 9 is stretched and fixed, and then the shank fixing plate 10 is fixed on the shank by the strap structure.

Finally, it should be noted that: in the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An angle measuring device for functional training after replacement of a knee joint, comprising a thigh fixing plate (3) and a shank fixing plate (10), characterized in that: thigh fixed plate (3) and shank fixed plate (10) are inside all seted up installation cavity (11), installation cavity (11) internally mounted has extension board (9), two be provided with coupling mechanism between extension board (9), extension board (9) and installation cavity (11) top are provided with flexible self-locking mechanism, flexible self-locking mechanism includes draw-in groove (4) and fixed chamber (13), draw-in groove (4) are evenly seted up in extension board (9) surface, fixed chamber (13) inside is provided with card ball (15), card ball (15) and draw-in groove (4) looks adaptation, card ball (15) ball footpath is less than fixed chamber (13) accent diameter, card ball (15) one side is provided with spring (12), thigh fixed plate (3) and shank fixed plate (10) both sides are provided with the bandage structure respectively.

2. An angle measuring device for functional exercise after replacement of knee joint according to claim 1, characterized in that: the cross sections of the thigh fixing plate (3), the shank fixing plate (10) and the extension plate (9) are all arc-shaped.

3. An angle measuring device for functional exercise after replacement of knee joint according to claim 1, characterized in that: the connecting mechanism comprises a connecting sleeve (18) and a connecting shaft (19), wherein the connecting shaft (19) penetrates through the connecting sleeve (18) and the connecting shaft (19) is in interference connection with the connecting sleeve (18).

4. An angle measuring device for functional exercise after replacement of knee joint according to claim 3, characterized in that: pointer (16) are arranged on the outer edges of two ends of the connecting shaft (19), and first scales (17) are arranged on two ends of the connecting sleeve (18).

5. An angle measuring device for functional exercise after replacement of knee joint according to claim 1, characterized in that: the binding band structure comprises an elastic band (7) and a hook and loop fastening surface (1), wherein the elastic band (7) is fixed on one side of a thigh fixing plate (3) and one side of a shank fixing plate (10) respectively, the hook and loop fastening surface (1) is fixed on the other side of the thigh fixing plate (3) and the other side of the shank fixing plate (10) respectively, and a hook and loop fastening rough surface (6) is sewn at one end of the elastic band (7).

6. An angle measuring device for functional exercise after replacement of knee joint according to claim 1, characterized in that: pull groove (2) have been seted up at installation cavity (11) top, installation cavity (11) and pull groove (2) are linked together, pull groove (2) outer wall bilateral symmetry is provided with second scale (8), extension board (9) top surface is fixed with driving lever (14), driving lever (14) pole body runs through pull groove (2) and extends to the external world, driving lever (14) top is provided with shifting block (5).

7. An angle measuring device for functional exercise after replacement of knee joint according to claim 1, characterized in that: the inner sides of the thigh fixing plate (3) and the lower leg fixing plate (10) are both fixed with anti-slip pads (20).