CN214343112U

CN214343112U - Device for lifting affected limb in hyperextension position after knee joint replacement

Info

Publication number: CN214343112U
Application number: CN202023340866.7U
Authority: CN
Inventors: 李雯; 贾勤
Original assignee: Anji County People's Hospital
Current assignee: Anji County People's Hospital
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-08
Anticipated expiration: 2030-12-31

Abstract

The application discloses a device for lifting the hyperextension position of an affected limb after knee joint replacement, which comprises a base, a lifting mechanism and an adjusting mechanism, wherein the top of the base is fixedly connected with a buffer plate, and a supporting plate is clamped on the buffer plate; the lifting mechanism comprises a limiting foot pad, a hydraulic cylinder and a base plate, the limiting foot pad is fixedly connected to one side of the base plate, a supporting plate is fixedly connected to the base plate, a connecting plate is mounted at the bottom of the base plate, the connecting plate is clamped in the supporting plate and is in sliding connection with the supporting plate, and the bottom of the supporting plate is fixedly connected with the top end of the hydraulic cylinder; the adjusting mechanism comprises a threaded rod, a servo motor and an adjusting block, the threaded rod is sleeved in the supporting plate and penetrates through the connecting plate, the servo motor is fixedly connected to one side of the connecting plate, the adjusting block is installed on one side of the servo motor and clamped to the top of the connecting plate, and the adjusting block is rotatably connected with the connecting plate. The hydraulic cylinder adjusts the height of the supporting plate; the threaded rod and the gear change the spacing and the angle of the backing plate.

Description

Device for lifting affected limb in hyperextension position after knee joint replacement

Technical Field

The application relates to a raise the structure, specifically be a device is raised to knee joint replacement postoperative messenger affected limb hyperextension position.

Background

The knee joint is an important weight bearing joint of the affected limb, and the structure and function of the knee joint are the most complicated of the human joints. 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 are required to perform artificial knee arthroplasty for severe knee osteoarthritis.

After the patient carries out knee joint replacement, be difficult for height-adjusting when suffering from the limb and lying, cause easily when the adjustment suffers from the limb to rock, exert an influence to the patient, be unfavorable for suffering from the protection of limb, and suffering from the inconvenient regulation of interval and inclination of bearing structure when limb places, be unfavorable for suffering from placing of limb, it is inconvenient to use, influences the nursing and the recovery that suffer from the limb. Therefore, the device for lifting the affected limb in the hyperextension position after the knee joint replacement is provided for solving the problems.

Disclosure of Invention

A device for lifting the hyperextension position of an affected limb after knee joint replacement comprises a base, a lifting mechanism and an adjusting mechanism, wherein the top of the base is fixedly connected with a buffer plate, and a supporting plate is clamped on the buffer plate;

the lifting mechanism comprises a limiting foot pad, a hydraulic cylinder and a base plate, the limiting foot pad is fixedly connected to one side of the base plate, a supporting plate is fixedly connected to the base plate, a connecting plate is mounted at the bottom of the base plate, the connecting plate is clamped in the supporting plate and is in sliding connection with the supporting plate, and the bottom of the supporting plate is fixedly connected with the top end of the hydraulic cylinder;

the adjusting mechanism comprises a threaded rod, a servo motor and an adjusting block, the threaded rod is sleeved in the supporting plate and penetrates through the connecting plate, the servo motor is fixedly connected to one side of the connecting plate, the adjusting block is installed on one side of the servo motor and clamped to the top of the connecting plate, and the adjusting block is rotatably connected with the connecting plate.

Further, the inside gomphosis of base has two hydraulic cylinder, the rigid coupling is in the backup pad bottom behind the buffer board is run through at the hydraulic cylinder top, the bracing piece is all installed to hydraulic cylinder both sides, the bracing piece rigid coupling is in the backup pad bottom, just the bracing piece block is on the buffer board.

Further, backup pad inner chamber rigid coupling has double-shaft motor, the equal rigid coupling in double-shaft motor both sides has threaded rod one end, rotate between threaded rod and the backup pad and be connected, the size of backup pad is greater than the buffer board.

Further, spacing callus on the sole both sides rigid coupling has the fixed block, the rigid coupling has solid fixed ring on the fixed block, gu the last bandage that has cup jointed of fixed ring, the bandage is located between spacing callus on the sole and the layer board, the layer board is the arc, layer board one side is provided with the ventilation hole, the ventilation hole is seted up on spacing callus on the sole.

Furthermore, the bottom of the base plate is fixedly connected with an adjusting block, a sleeve shaft is sleeved inside the adjusting block, the other end of the sleeve shaft is sleeved on the inner wall of the connecting plate, one side, far away from the sleeve shaft, of the adjusting block is connected with a gear in a meshed mode, and the gear is fixedly connected to an output shaft of the servo motor.

Further, base inner chamber rigid coupling has two stoppers, the stopper is located between two hydraulic cylinder, the stopper is connected with the block between the extension board, the base lateral wall is run through to extension board bottom, just sliding connection between extension board and the base.

The beneficial effect of this application is: the application provides a knee joint replacement postoperative makes affected limb hyperextension position raise device with regulatory function and to the spacing protection of sole.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a strap configuration according to one embodiment of the present application;

FIG. 3 is a schematic view of a regulating block according to an embodiment of the present application;

fig. 4 is a schematic diagram of an extended plate structure according to an embodiment of the present application.

In the figure: 1. spacing callus on the sole, 2, fixed block, 201, solid fixed ring, 3, backup pad, 4, threaded rod, 5, base, 501, stopper, 6, hydraulic cylinder, 7, double-shaft motor, 8, buffer board, 9, bracing piece, 10, connecting plate, 11, ventilation hole, 12, bandage, 13, layer board, 14, backing plate, 15, servo motor, 16, gear, 17, regulating block, 1701, sleeve axle, 18, extension board.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a device for elevating the hyperextension position of a diseased limb after knee replacement comprises a base 5, an elevating mechanism and an adjusting mechanism, wherein a buffer plate 8 is fixedly connected to the top of the base 5, and a support plate 3 is clamped on the buffer plate 8;

the lifting mechanism comprises a limiting foot pad 1, a hydraulic cylinder 6 and a base plate 14, the limiting foot pad 1 is fixedly connected to one side of the base plate 14, a supporting plate 13 is fixedly connected to the base plate 14, a connecting plate 10 is mounted at the bottom of the base plate 14, the connecting plate 10 is clamped in the supporting plate 3 and is in sliding connection with the supporting plate 3, and the bottom of the supporting plate 3 is fixedly connected with the top end of the hydraulic cylinder 6;

adjustment mechanism includes threaded rod 4, servo motor 15 and regulating block 17, threaded rod 4 cup joints in backup pad 3, threaded rod 4 runs through connecting plate 10, connecting plate 10 one side rigid coupling has servo motor 15, regulating block 17 is installed to servo motor 15 one side, regulating block 17 block is at connecting plate 10 top, regulating block 17 rotates with connecting plate 10 to be connected.

Two hydraulic cylinders 6 are embedded in the base 5, the tops of the hydraulic cylinders 6 penetrate through the buffer plate 8 and then are fixedly connected to the bottom of the supporting plate 3, supporting rods 9 are mounted on two sides of each hydraulic cylinder 6, the supporting rods 9 are fixedly connected to the bottom of the supporting plate 3, and the supporting rods 9 are clamped on the buffer plate 8, so that the supporting plate 3 can move conveniently; a double-shaft motor 7 is fixedly connected to the inner cavity of the supporting plate 3, one end of a threaded rod 4 is fixedly connected to each of two sides of the double-shaft motor 7, the threaded rod 4 is rotatably connected with the supporting plate 3, the size of the supporting plate 3 is larger than that of the buffer plate 8, and the threaded rod 4 can conveniently adjust the position of the limiting foot pad 1; fixed blocks 2 are fixedly connected to two sides of the limiting foot pad 1, a fixing ring 201 is fixedly connected to the fixed block 2, a binding band 12 is sleeved on the fixing ring 201, the binding band 12 is located between the limiting foot pad 1 and a supporting plate 13, the supporting plate 13 is arc-shaped, a ventilation hole 11 is formed in one side of the supporting plate 13, and the ventilation hole 11 is formed in the limiting foot pad 1 to facilitate placement of soles; an adjusting block 17 is fixedly connected to the bottom of the backing plate 14, a sleeve shaft 1701 is sleeved inside the adjusting block 17, the other end of the sleeve shaft 1701 is sleeved on the inner wall of the connecting plate 10, one side, far away from the sleeve shaft 1701, of the adjusting block 17 is meshed with a gear 16, the gear 16 is fixedly connected to an output shaft of a servo motor 15, and rotation of the adjusting block 17 is facilitated; the inner cavity of the base 5 is fixedly connected with two limit blocks 501, the limit blocks 501 are located between the two hydraulic cylinders 6, the limit blocks 501 are connected with the extension plate 18 in a clamping mode, the bottom of the extension plate 18 penetrates through the side wall of the base 5, the extension plate 18 is connected with the base 5 in a sliding mode, and the extension plate 18 is convenient to move and store.

When the device is used, electrical elements appearing in the device are externally connected with a power supply and a control switch when in use, firstly, the feet of a patient are placed on the backing plate 14, one end of the binding belt 12 is moved on the fixed block 2, the other end of the binding belt 12 is fixed on the fixed ring 201 in a winding way, the ventilation hole 11 can radiate the heat of the feet, the servo motor 15 drives the gear 16 to rotate, the gear 16 and the adjusting block 17 are meshed with the adjusting backing plate 14 to adjust the position of the backing plate 14 on the top of the connecting plate 10, the backing plate 14 rotates left and right, when the double-shaft motor 7 drives the threaded rod 4 to rotate, the distance between the two limiting foot pads 1 can be adjusted, the placement of the feet is convenient, the extending plate 18 is moved in the base 5, the extending plate 18 is separated from the limiting block 501, the area of the base 5 can be extended, the legs of the patient are supported, the hydraulic cylinder 6 drives the supporting plate 3 to move upwards, the supporting rod 9 is gradually separated from the buffering plate 8, and the height of the whole device is adjusted, the sole of the foot of the patient can be conveniently lifted.

The application has the advantages that:

1. the height of the supporting plate 3 can be adjusted by the hydraulic cylinder 6, the supporting plate 3 and the supporting rod 9 are beneficial to keeping the limiting foot pad 1 stably moving upwards, and the extending plate 18 can enhance the support of the whole device on the legs of a patient and is convenient for protecting the affected limb;

2. this application is rational in infrastructure, and spacing callus on the sole 1 and layer board 13 do benefit to the placing of sole on backing plate 14, threaded rod 4 and biax motor 7 adjustable connection board 10's position, regulating block 17 and gear 16 can change the inclination of backing plate 14, are convenient for suffer from placing of limb.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a device is raised to knee joint replacement postoperative messenger affected limb hyperextension position which characterized in that: the lifting mechanism comprises a base (5), a lifting mechanism and an adjusting mechanism, wherein a buffer plate (8) is fixedly connected to the top of the base (5), and a supporting plate (3) is clamped on the buffer plate (8);

the lifting mechanism comprises a limiting foot pad (1), a hydraulic cylinder (6) and a base plate (14), the limiting foot pad (1) is fixedly connected to one side of the base plate (14), a supporting plate (13) is fixedly connected to the base plate (14), a connecting plate (10) is installed at the bottom of the base plate (14), the connecting plate (10) is clamped in the supporting plate (3) and is in sliding connection with the supporting plate (3), and the bottom of the supporting plate (3) is fixedly connected with the top end of the hydraulic cylinder (6);

adjustment mechanism includes threaded rod (4), servo motor (15) and regulating block (17), threaded rod (4) cup joint in backup pad (3), threaded rod (4) run through connecting plate (10), connecting plate (10) one side rigid coupling has servo motor (15), regulating block (17) are installed to servo motor (15) one side, regulating block (17) block is at connecting plate (10) top, regulating block (17) rotate with connecting plate (10) and are connected.

2. The device for elevating the hyperextension of the affected limb after knee replacement according to claim 1, wherein: the inside gomphosis of base (5) has two hydraulic cylinder (6), the rigid coupling is in backup pad (3) bottom behind buffer board (8) is run through at hydraulic cylinder (6) top, bracing piece (9) are all installed to hydraulic cylinder (6) both sides, bracing piece (9) rigid coupling is in backup pad (3) bottom, just bracing piece (9) block is on buffer board (8).

3. The device for elevating the hyperextension of the affected limb after knee replacement according to claim 1, wherein: backup pad (3) inner chamber rigid coupling has double-shaft motor (7), the equal rigid coupling in double-shaft motor (7) both sides has threaded rod (4) one end, rotate between threaded rod (4) and backup pad (3) and be connected, the size of backup pad (3) is greater than buffer board (8).

4. The device for elevating the hyperextension of the affected limb after knee replacement according to claim 1, wherein: spacing callus on the sole (1) both sides rigid coupling has fixed block (2), the rigid coupling has solid fixed ring (201) on fixed block (2), gu cup jointed bandage (12) on fixed ring (201), bandage (12) are located between spacing callus on the sole (1) and layer board (13), layer board (13) are the arc, layer board (13) one side is provided with ventilation hole (11), ventilation hole (11) are seted up on spacing callus on the sole (1).

5. The device for elevating the hyperextension of the affected limb after knee replacement according to claim 1, wherein: backing plate (14) bottom rigid coupling has regulating block (17), regulating block (17) inside cover axle (1701) of having cup jointed, the cover axle (1701) other end cup joints on connecting plate (10) inner wall, one side that regulating block (17) kept away from cover axle (1701) is connected with gear (16) meshing, gear (16) rigid coupling is on servo motor (15)'s output shaft.

6. The device for elevating the hyperextension of the affected limb after knee replacement according to claim 1, wherein: base (5) inner chamber rigid coupling has two stopper (501), stopper (501) are located between two hydraulic cylinder (6), stopper (501) and extension board (18) between the block be connected, base (5) lateral wall is run through to extension board (18) bottom, just sliding connection between extension board (18) and base (5).