CN220608570U

CN220608570U - Knee joint supporting device

Info

Publication number: CN220608570U
Application number: CN202322056140.8U
Authority: CN
Inventors: 陈尚美; 李莹; 刘忠梅; 王霞; 应慧杨
Original assignee: 901th Hospital of the Joint Logistics Support Force of Pla
Current assignee: 901th Hospital of the Joint Logistics Support Force of Pla
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-03-19
Anticipated expiration: 2033-08-02

Abstract

The utility model belongs to the technical field of medical instrument, a knee joint strutting arrangement is disclosed, include: the support plate is fixedly connected with a connecting plate at two sides of the lower end of the support plate, and a sliding block is fixedly connected with the outer side surface of the bottom end of the connecting plate; the sliding blocks are connected in the sliding grooves in a sliding manner; the lifting mechanism comprises a sleeve vertically arranged on the inner side of the supporting cylinder, a lifting column is slidably connected on the inner side of the sleeve, the top end of the lifting column is fixedly connected with the lower end of the supporting plate, teeth are arranged on the side face of the lifting column, a window is formed in the upper end of the sleeve, which is close to one side of each tooth, a gear is rotationally connected to the window, the side face of the gear is in meshed connection with each tooth through the window, and a rotating shaft is fixedly connected to the axis of the gear. Can carry out quick adjustment to knee joint's supporting height according to the user demand, application scope is wide.

Description

Knee joint supporting device

Technical Field

The disclosure belongs to the technical field of medical instruments, and particularly relates to a knee joint supporting device.

Background

When the knee joint operation is performed on a patient in the current orthopaedics, in order to ensure the knee joint rehabilitation effect of the patient, the lower limb of the patient needs to be bent at the optimal posture for a long time, and then the knee joint part of the patient is supported, so that the lower limb is kept in a fixed posture for a long time.

Because of the difference of the illness states of patients, the optimal postures of different patients are different, and the bending degree of the lower limbs is also different. At present, the support pad (mainly composed of a woven bag and cotton wool filled in the woven bag) is used for supporting and fixing, the height of the support pad is fixed and single, and when the support pad is not high enough in use, a plurality of support pads are used for simply stacking, so that a support structure with proper height is formed. The support structure formed by simple stacking is easy to change in height due to shaking or collapse, poor in stability, and poor in applicability and adjustment capability, and cannot be practically used, and the support height can be adjusted stepwise only by taking the thickness of a single support pad as one unit.

Disclosure of Invention

Aiming at the defects of the prior art, the object of the present disclosure is to provide a knee joint supporting device, which can quickly adjust the supporting height of the knee joint according to the use requirement, and has wide application range.

The purpose of the disclosure can be achieved by the following technical scheme:

a knee joint supporting device, comprising:

the support plate is fixedly connected with a connecting plate at two sides of the lower end of the support plate, and a sliding block is fixedly connected with the outer side surface of the bottom end of the connecting plate;

the sliding blocks are connected in the sliding grooves in a sliding manner;

the lifting mechanism comprises a sleeve vertically arranged on the inner side of the supporting cylinder, a lifting column is slidably connected on the inner side of the sleeve, the top end of the lifting column is fixedly connected with the lower end of the supporting plate, teeth are arranged on the side face of the lifting column, a window is formed in the upper end of the sleeve, which is close to one side of each tooth, a gear is rotationally connected to the window, the side face of the gear is in meshed connection with each tooth through the window, and a rotating shaft is fixedly connected to the axis of the gear.

The technical scheme has the principle and technical effects that:

the patient knee inboard is taken in the backup pad, drives gear rotation through rotating the pivot, and gear rotation drives the lift post and goes up and down, and the lift of lift post makes the backup pad go up and down, and then makes can carry out the quick adjustment to knee joint's supporting height according to the user demand, and application scope is wide. Meanwhile, when the supporting cylinder is lifted, the sliding block slides along the sliding groove, so that the supporting plate is further stabilized.

Further, the lower end of the supporting cylinder is fixedly connected with a bottom plate, and the lower end of the sleeve is fixedly connected with the bottom plate.

Further, the side face of the sleeve, which is positioned on the window, is fixedly connected with an ear plate, and the rotating shaft is rotationally connected with the ear plate.

Further, one end of the rotating shaft penetrates through the lug plate to extend outwards, a sleeve rod is connected to the extending part in a sliding mode, the sleeve rod penetrates through the side wall of the supporting cylinder, the sleeve rod is connected with the side wall of the supporting cylinder in a sliding mode, and a hand connecting rod is fixedly connected to the outer side end of the sleeve rod.

Further, the end part circumference side of the rotating shaft is fixedly connected with a protrusion, the circumference side of the loop bar is provided with a connecting groove, and the protrusion is slidingly connected in the connecting groove.

Further, the outer side wall of the supporting cylinder is provided with a storage groove in a concave manner at the joint of the sleeve rod, the mounting groove is formed in one side of the storage groove, a cylindrical limiting block is arranged in the storage groove, the cylindrical limiting block is fixedly connected with the sleeve rod, a clamping mechanism is arranged in the mounting groove, a through hole is communicated between the storage groove and the mounting groove, and the clamping mechanism penetrates through the through hole and is clamped with the cylindrical limiting block.

Further, a plurality of clamping grooves are formed in the circumferential side of the cylindrical limiting block along the circumferential direction of the cylindrical limiting block, the clamping mechanism comprises a moving block which is slidably connected in the mounting groove, one side of the moving block is fixedly connected with an inserting block, the inserting block is inserted in the clamping groove through a through hole, the other side of the moving block is fixedly connected with a spring, and the other end of the spring is fixedly connected with the side wall of the mounting groove.

Further, a deflector rod is fixedly connected to the outer side face of the moving block.

Further, the upper end of the supporting plate is fixedly connected with an arch-shaped foam cushion.

The noun, conjunctive or adjective parts related to the above technical solution are explained as follows:

by fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.

(1) The detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.

(2) The non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Also, during connection, attention should be paid to process quality, technical inspection and remedial measures (e.g., correction, polishing, etc.).

Threaded connection refers to a detachable connection in which a threaded member (or threaded portion of a connected member) is used to connect the connected member into one body.

Sliding connection means that two objects are in contact but not fixed, and the two objects can slide relatively.

Rotational coupling means that the coupling between the parts causes the parts to rotate relative to each other.

The beneficial effects of the present disclosure are:

can carry out quick adjustment to knee joint's supporting height according to the user demand, application scope is wide.

Drawings

In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described, and it will be apparent to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic overall construction of an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of the structure of FIG. 1 at A in accordance with an embodiment of the present disclosure;

FIG. 3 is a schematic view of a support plate structure according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of a support cylinder structure of an embodiment of the present disclosure;

FIG. 5 is a schematic view of a lifting mechanism according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a locking mechanism according to an embodiment of the disclosure.

Detailed Description

The following description of the technical solutions in the embodiments of the present disclosure will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments in this disclosure without inventive faculty, are intended to fall within the scope of this disclosure.

In the description of the present disclosure, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate an orientation or positional relationship, merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present disclosure.

Embodiments of a knee brace are described herein in connection with fig. 1-6 in accordance with the concepts of the present application. Specifically, the support device is configured as a split structure having three components, namely, a support plate 1, a support cylinder 2, and a lifting mechanism 3. Through the mutual cooperation of the structures such as sleeve 31, lift post 32, tooth 33, gear 35, pivot 36 that set up, patient's knee inboard is taken on backup pad 1, drives gear 35 through rotating pivot 36 and rotates, and gear 35 rotates drive lift post 32 and goes up and down, and the lift of lift post 32 makes backup pad 1 go up and down, and then makes can carry out the quick adjustment to knee joint's supporting height according to the user demand, and application scope is wide. Meanwhile, when the supporting cylinder 2 is lifted, the sliding block 12 slides along the sliding groove 21, so that the supporting plate 1 is further stabilized.

As shown in fig. 1-6, a knee joint supporting device, comprising:

the support plate 1, the lower end both sides of the support plate 1 are fixedly connected with the connecting plate 11, the outer side of bottom of the connecting plate 11 is fixedly connected with the slide block 12;

the support cylinder 2, two sides of the support cylinder 2 are vertically provided with sliding grooves 21, and the sliding blocks 12 are in sliding connection with the sliding grooves 21;

the lifting mechanism 3, the lifting mechanism 3 includes along the vertical sleeve 31 that sets up in the support section of thick bamboo 2 inboard, and the inboard sliding connection of sleeve 31 has lifting column 32, and lifting column 32's top and backup pad 1 lower extreme fixed connection, lifting column 32's side is provided with tooth 33, and window 34 has been seted up to one side that is close to tooth 33 to sleeve 31 upper end, and window 34 department rotates and is connected with gear 35, and gear 35's side is connected with tooth 33 meshing through window 34, and gear 35's axle center department fixedly connected with pivot 36.

When the knee support device is used, the inner side of the knee of a patient is lapped on the support plate 1, the gear 35 is driven to rotate through the rotating shaft 36, the gear 35 rotates to drive the lifting column 32 to lift, the lifting column 32 lifts the support plate 1, and then the support height of the knee joint can be quickly adjusted according to the use requirement, so that the knee support device is wide in application range. Meanwhile, when the supporting cylinder 2 is lifted, the sliding block 12 slides along the sliding groove 21, so that the supporting plate 1 is further stabilized.

Of course, in the present application, the side of the lifting column 32 is provided with teeth 33, which corresponds to a design with a rack, which is a special gear with teeth distributed on the bar-shaped body. The rack is also divided into a straight tooth rack and a helical tooth rack which are respectively matched with the straight tooth cylindrical gear and the helical tooth cylindrical gear for use; the tooth profile of the rack is a straight line instead of an involute (a plane is the tooth surface), and corresponds to a cylindrical gear with an infinite reference circle radius.

The slide block is a mold assembly which can slide in a direction perpendicular to or at a certain angle with the mold opening and closing direction in the mold opening and closing operation of the mold. When the product structure makes the mold unable to be demolded normally without using the slide block, the slide block is used. The material itself has proper hardness, wear resistance and enough friction to withstand movement. The hardness of the cavity part or the core part on the sliding block is the same as that of other parts of the cavity mold core.

The gear is a mechanical element with teeth on the rim and can continuously mesh with the transmission motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating tooth cutting method and the sequential appearance of special machine tools and cutters for cutting teeth by using the principle are emphasized, and with the development of production, the stability of gear operation is important.

In the illustration of the present application, the bottom plate 4 is fixedly connected to the lower end of the support cylinder 2, and the lower end of the sleeve 31 is fixedly connected to the bottom plate 4.

In the illustration of the application, a lug piece 311 is fixedly connected to the side surface of the sleeve 31 located on the window 34, and the rotating shaft 36 is rotationally connected with the lug piece 311. The ear piece 311 is used for connecting the rotating shaft 36 and supporting the function of the gear 35.

In the illustration of the application, one end of the rotating shaft 36 passes through the ear plate 311 to extend outwards, the extending part is slidably connected with the loop bar 5, the loop bar 5 penetrates through the side wall of the supporting cylinder 2, the loop bar 5 is slidably connected with the side wall of the supporting cylinder 2, and the outer side end of the loop bar 5 is fixedly connected with the hand-operated connecting rod 6. The hand connecting rod 6 is pulled outwards, the sleeve rod 5 is driven to rotate by rotating the hand connecting rod 6, the sleeve rod 5 drives the rotating shaft 36 to rotate, the gear 35 is driven to rotate, the hand connecting rod 6 is pulled outwards, and the hand of an operator can conveniently rotate without colliding with the supporting plate 1.

In the drawing of the present application, a protrusion 361 is fixedly connected to the circumferential side of the end portion of the rotating shaft 36, a connecting groove 51 is formed in the circumferential side of the loop bar 5, and the protrusion 361 is slidably connected to the connecting groove 51. By the arrangement, not only the movement of the loop bar 5 can be realized, but also the rotation of the rotating shaft 36 along with the loop bar 5 can be ensured.

In the illustration of this application, the indent with loop bar 5 junction has on the lateral wall of support section of thick bamboo 2 and accomodates groove 22, is located one side of accomodating groove 22 and has seted up mounting groove 23, is provided with cylindrical stopper 7 in accomodating groove 22, cylindrical stopper 7 and loop bar 5 fixed connection are provided with clamping mechanism 8 in the mounting groove 23, and it has the through-hole to accomodate to communicate between groove 22 and the mounting groove 23, and clamping mechanism 8 passes through-hole and cylindrical stopper 7 joint. The circumference side of cylindrical stopper 7 has offered a plurality of draw-in groove 71 along its circumference, and clamping mechanism 8 includes sliding connection's movable block 81 in mounting groove 23, and one side fixedly connected with inserted block 82 of movable block 81, inserted block 82 pass through the through-hole and peg graft in draw-in groove 71, and movable block 81 opposite side fixedly connected with spring 83, the spring 83 other end and mounting groove 23 lateral wall fixed connection. A deflector rod 84 is fixedly connected to the outer side surface of the moving block 81. Through stirring driving lever 84, drive movable block 81 and remove for insert 82 is to mounting groove 23 internal contraction, spring 83 accepts the compression, insert 82 breaks away from draw-in groove 71 this moment, and hand connecting rod 6 is rotated to outside pulling, and then drive gear 35 and rotate, after highly adjusting, inwards promote hand connecting rod 6, make in cylindrical stopper 7 receipts in accomodating groove 22, become flexible driving lever 84, under spring 83's elasticity, insert 2 inserts in the draw-in groove 71, fix cylindrical stopper 7's rotation, and then fix gear 35's rotation, thereby can avoid lifting column 32 receipts gravity to move to sleeve 31 inboard.

In the illustration of the present application, the upper end of the support plate 1 is fixedly connected with an arched foam cushion 10. The arched foam pad 10 is ergonomic and avoids damage to the soft tissue of the patient.

The knee joint supporting device provided by the utility model is further described below with reference to the accompanying drawings and embodiments.

A knee joint supporting device, comprising:

The application method of the utility model comprises the following steps: through stirring driving lever 84, drive movable block 81 and remove, make insert 82 to the mounting groove 23 internal contraction, spring 83 accepts the compression, insert 82 breaks away from draw-in groove 71 this moment, the hand connecting rod of outside pulling 6 rotates, drive gear 35 rotates, gear 35 rotates drive lifting column 32 goes up and down, lifting column 32's lift makes backup pad 1 go up and down, and then make can carry out quick adjustment to knee joint's supporting height according to the user demand, after highly adjusting, inwards promote hand connecting rod 6, make cylindrical stopper 7 internal retraction accomodate in groove 22, become flexible driving lever 84, under spring 83's elasticity, insert in the draw-in groove 71 is inserted to insert 2, fix cylindrical stopper 7's rotation, and then fix gear 35's rotation, thereby can avoid lifting column 32 to receive gravity to the inboard removal of sleeve 31.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which have been described in the foregoing and description merely illustrates the principles of the disclosure, and that various changes and modifications may be made therein without departing from the spirit and scope of the disclosure, which is defined in the appended claims.

Claims

1. A knee brace, comprising:

the device comprises a supporting plate (1), wherein two sides of the lower end of the supporting plate (1) are fixedly connected with a connecting plate (11), and the outer side surface of the bottom end of the connecting plate (11) is fixedly connected with a sliding block (12);

the sliding block (12) is connected in the sliding groove (21) in a sliding way;

elevating system (3), elevating system (3) are in including following vertical setting sleeve (31) of support section of thick bamboo (2) inboard, the inboard sliding connection of sleeve (31) has lift post (32), the top of lift post (32) with backup pad (1) lower extreme fixed connection, the side of lift post (32) is provided with tooth (33), window (34) have been seted up to one side that is close to tooth (33) in sleeve (31) upper end, window (34) department rotation is connected with gear (35), the side of gear (35) is passed through window (34) with tooth (33) meshing connection, the axle center department fixedly connected with pivot (36) of gear (35).

2. A knee joint supporting device according to claim 1, wherein the lower end of the supporting cylinder (2) is fixedly connected with a base plate (4), and the lower end of the sleeve (31) is fixedly connected with the base plate (4).

3. A knee joint supporting device according to claim 1, wherein the side of the sleeve (31) located at the window (34) is fixedly connected with an ear plate (311), and the rotating shaft (36) is rotatably connected with the ear plate (311).

4. A knee joint supporting device according to claim 3, wherein one end of the rotating shaft (36) passes through the ear plate (311) to extend outwards, a sleeve rod (5) is slidably connected to the extending portion, the sleeve rod (5) penetrates through the side wall of the supporting cylinder (2), the sleeve rod (5) is slidably connected with the side wall of the supporting cylinder (2), and a hand connecting rod (6) is fixedly connected to the outer end of the sleeve rod (5).

5. The knee joint supporting device according to claim 4, wherein a protrusion (361) is fixedly connected to a peripheral side of an end portion of the rotating shaft (36), a connecting groove (51) is formed in a peripheral side of the loop bar (5), and the protrusion (361) is slidably connected to the connecting groove (51).

6. The knee joint supporting device according to claim 5, wherein a storage groove (22) is concavely formed in a joint of the outer side wall of the supporting cylinder (2) and the sleeve rod (5), a mounting groove (23) is formed in one side of the storage groove (22), a cylindrical limiting block (7) is arranged in the storage groove (22), the cylindrical limiting block (7) is fixedly connected with the sleeve rod (5), a clamping mechanism (8) is arranged in the mounting groove (23), a through hole is communicated between the storage groove (22) and the mounting groove (23), and the clamping mechanism (8) passes through the through hole and is clamped with the cylindrical limiting block (7).

7. The knee joint supporting device according to claim 6, wherein a plurality of clamping grooves (71) are formed in the circumferential side of the cylindrical limiting block (7) along the circumferential direction of the cylindrical limiting block, the clamping mechanism (8) comprises a moving block (81) which is slidably connected in the mounting groove (23), an inserting block (82) is fixedly connected to one side of the moving block (81), the inserting block (82) is inserted into the clamping groove (71) through a through hole, a spring (83) is fixedly connected to the other side of the moving block (81), and the other end of the spring (83) is fixedly connected with the side wall of the mounting groove (23).

8. A knee joint supporting apparatus according to claim 7, wherein the outer side surface of the moving block (81) is fixedly connected with a shift lever (84).

9. A knee joint supporting device according to claim 1, wherein the upper end of the supporting plate (1) is fixedly connected with an arched foam cushion (10).