CN116172828A

CN116172828A - Patella loosening device

Info

Publication number: CN116172828A
Application number: CN202310249815.2A
Authority: CN
Inventors: 施捷健; 鲍勇; 张洁; 谢青
Original assignee: Shanghai Ruijin Rehabilitation Hospital
Current assignee: Shanghai Ruijin Rehabilitation Hospital
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-05-30

Abstract

The invention discloses a patella loosening device, which relates to the technical field of knee joint treatment and comprises two parallel first support frames, wherein two parallel second support frames are connected between the two first support frames through bolts, the two second support frames are respectively positioned at two ends of the first support frames, the bottoms of the adjacent sides of the two first support frames are respectively connected with an obliquely arranged electric telescopic rod through bolts, and the bottoms of the electric telescopic rods are provided with contact heads. The invention replaces the manual loosening operation by a mechanical way and is superior to the manual loosening operation, and can treat patients for a long time; various loose parameters are objectively presented and recorded, so that clinical researches and summaries are facilitated; gives small, portable and good use experience to the therapist; can be used for various knee joint postoperative patients, and the application scene can be in orthopedics department, rehabilitation department, home rehabilitation and the like.

Description

Patella loosening device

Technical Field

The invention relates to the technical field of knee joint treatment, in particular to a patella loosening device.

Background

The operation after the knee joint injury is more and more, and the subsequent knee joint adhesion causes serious dysfunction of patients, so that the knee joint adhesion can be prevented in early stage and put in front of orthopedics doctors and rehabilitation workers.

The current clinical way of preventing the knee joint adhesion is a knee joint continuous passive joint trainer (CPM), the invention of the knee joint CPM reduces the workload of the therapist, and the long-time passive movement prevents a part of problems of the knee joint adhesion of the patient, but is not comprehensive enough; because the early quadriceps of the femur cannot be effectively contracted after operation to cause patellofemoral joint adhesion and ligament and tendon contracture around the patella, the knee joint CPM cannot effectively prevent the patellofemoral joint adhesion; when the patellofemoral joint adhesion and the patella surrounding soft tissue contracture are prevented, the current clinical treatment mode is artificial patella loosening operation, but the artificial patella loosening operation is labor-consuming, is not sustainable, short in time and insufficient in curative effect, the artificial patella loosening operation generally only loosens 4 directions, the loosening strength and frequency are not accurate enough, subjective feelings of a therapist are relied on, and the patella loosening device cannot be standardized, so that the patella loosening device is required to be designed to solve the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a patella loosening device. The advantages are that: can realize multidirectional loosening of the patella, replaces the patella by a mechanical mode and is superior to the manual loosening operation, and can treat patients for a long time.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the utility model provides a patella looseness ware, includes two parallel arrangement's first support frame, two there are two parallel arrangement's second support frame through bolted connection between the first support frame, and two second support frames are located the both ends position of first support frame respectively, two the bottom position of the adjacent one side of first support frame all has the electric telescopic handle that the slope set up through bolted connection, electric telescopic handle's bottom is provided with the contact head, install pressure sensor between contact head and the electric telescopic handle, electric telescopic handle's top position department has control panel through bolted connection.

The invention is further arranged that the included angle between the electric telescopic rod and the first supporting frame is forty-five degrees, and the included angle between the electric telescopic rod and the horizontal plane is twenty-thirty degrees.

The invention is further arranged in such a way that the contact heads are arranged in an arc surface.

The invention further provides that the two ends of the bottoms of the two first support frames are connected with the support legs through bolts, and the bottoms of the support legs are connected with the support pads through bolts.

The invention is further arranged that a fixing belt is connected between two supporting legs positioned at the same end of the first supporting frame through bolts.

The invention is further provided with the limiting pads connected with the bottom center positions of the two fixing belts through bolts, and the bottoms of the limiting pads are concave.

The invention is further arranged that the pressure sensor and the electric telescopic rod are electrically connected with a control panel through signal wires, the control panel controls the electric telescopic rod to stretch and retract, and the control panel displays the pressure value of the pressure sensor.

The beneficial effects of the invention are as follows:

1. according to the patella loosening device, eight-direction adjustment can be realized through the four electric telescopic rods, namely, right oblique downward, left oblique upward, downward, rightward, upward and leftward, when a single electric telescopic rod stretches, the adjustment of right oblique downward, left oblique downward and left oblique upward can be realized, and when two adjacent electric telescopic rods stretch simultaneously, the adjustment of downward, rightward, upward and leftward can be realized; the pressure sensor senses the pressure value received by the contact, the control panel can display the real-time pressure value, and the loosening distance and the loosening frequency are adjusted through the control panel, so that the loosening time is set; in addition, an emergency braking button can be arranged on the control panel, and a patient can control the emergency braking button to brake.

2. The patella loosening device is replaced by a mechanical way and is superior to a manual loosening operation, and can treat patients for a long time; various loose parameters are objectively presented and recorded, so that clinical researches and summaries are facilitated; gives small, portable and good use experience to the therapist; can be used for various knee joint postoperative patients, and the application scene can be in orthopedics department, rehabilitation department, home rehabilitation and the like.

Drawings

Fig. 1 is a schematic perspective view of a patella loosening device according to the present invention;

fig. 2 is a schematic structural view of an electric telescopic rod and a contact head in the patella loosening device according to the present invention;

fig. 3 is a schematic structural view of a fixing strap and a limiting pad in the patella loosening device according to the present invention.

In the figure: 1. support legs; 2. a first support frame; 3. a second support frame; 4. an electric telescopic rod; 5. a contact; 6. a fixing belt; 7. a support block; 8. a limit pad; 9. a pressure sensor; 10. and a control panel.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1, a patella loosener comprises two parallel first support frames 2, two parallel second support frames 3 are connected between the two first support frames 2 through bolts, the two second support frames 3 are respectively positioned at two ends of the first support frames 2, the bottom positions of adjacent sides of the two first support frames 2 are respectively connected with an obliquely arranged electric telescopic rod 4 through bolts, the bottom of each electric telescopic rod 4 is provided with a contact head 5, a pressure sensor 9 is arranged between each contact head 5 and each electric telescopic rod 4, the top positions of each electric telescopic rod 4 are connected with a control panel 10 through bolts, and the four electric telescopic rods 4 are arranged, so that eight directions of adjustment can be realized, namely, right obliquely downward, left obliquely upward, downward, right obliquely upward and left obliquely upward, and downward and right obliquely upward can be realized when each electric telescopic rod 4 stretches; the control panel 10 can display real-time pressure values, and adjust the loosening distance and the loosening frequency through the control panel 10 and set the loosening time; in addition, an emergency brake button can be arranged on the control panel 10, and a patient can control the emergency brake button to brake.

Further, referring to fig. 1-2, the included angle between the electric telescopic rod 4 and the first supporting frame 2 is forty-five degrees, and the included angle between the electric telescopic rod 4 and the horizontal plane is between twenty degrees and thirty degrees, so that eight directions of adjustment can be realized, namely, right obliquely downward, left obliquely upward, downward, rightward, upward and leftward, when the single electric telescopic rod 4 stretches, the adjustment of right obliquely downward, left obliquely downward and left obliquely upward can be realized, and when two adjacent electric telescopic rods 4 stretch simultaneously, the adjustment of downward, rightward, upward and leftward can be realized, and the loose adjustment is more stable and accurate; the contact 5 is arranged in an arc surface, and the arc surface contact 5 can be effectively attached to the patella to ensure that the patella is not slipped off.

Referring to fig. 1-3, the bottom both ends position of two first support frames 2 all has supporting legs 1 through bolted connection, and the bottom of supporting legs 1 all has supporting pad 7 through bolted connection, be located between two supporting legs 1 of first support frame 2 with one end and have fixed band 6 through bolted connection, the bottom central point of two fixed bands 6 puts and all has spacing pad 8 through bolted connection, and the bottom of spacing pad 8 sets up to the concave type, set up fixed band 6 into elastic material, elastic fixed band 6 presses patient's low limbs on the bed surface, be used for fixed patient's low limbs, the concave mouthful laminating patient's low limbs in bottom of spacing pad 8 realizes the stable fixation to patient's low limbs.

It should be noted that, referring to fig. 2, the pressure sensor 9 and the electric telescopic rod 4 are electrically connected with the control panel 10 through signal lines, the control panel 10 controls the expansion and contraction of the electric telescopic rod 4, and the control panel 10 displays the pressure value of the pressure sensor 9.

Working principle: when the device is used, a patient is laid on a sickbed, the lower limbs of the patient are flatly placed on the sickbed, then the device is placed above the lower limbs of the patient, the lower limbs of the patient are pressed on the bed surface by the elastic fixing belt 6, the lower limbs of the patient are fixed, the concave bottom opening of the limiting pad 8 is attached to the lower limbs of the patient, the stable fixing of the lower limbs of the patient is realized, then the four electric telescopic rods 4 are regulated, the regulation loosening in eight directions can be realized, namely, the regulation of the right inclined lower part, the left inclined upper part, the downward regulation, the right and the upward regulation and the leftward regulation can be realized when the single electric telescopic rod stretches and contracts, and the regulation of the right inclined lower part, the left inclined lower part and the left inclined upper part can be realized when the two adjacent electric telescopic rods 4 stretch and contract simultaneously; the pressure sensor 9 senses the pressure value received by the contact 5, the control panel 10 can display the real-time pressure value, and the loosening distance, the loosening frequency and the loosening time are adjusted through the control panel 10; in addition, an emergency brake button can be arranged on the control panel 10, and a patient can control the emergency brake button to brake.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a patella looseness ware, includes two parallel arrangement's first support frame (2), its characterized in that, two there are two parallel arrangement's second support frame (3) through bolted connection between first support frame (2), and two second support frame (3) are located the both ends position of first support frame (2) respectively, two the bottom position of adjacent one side of first support frame (2) all has electric telescopic handle (4) of slope setting through bolted connection, the bottom of electric telescopic handle (4) is provided with contact head (5), install pressure sensor (9) between contact head (5) and electric telescopic handle (4), there is control panel (10) in the top position department of electric telescopic handle (4) through bolted connection.

2. The patella loosener according to claim 1, wherein the angle between the electric telescopic rod (4) and the first support frame (2) is forty-five degrees, and the angle between the electric telescopic rod (4) and the horizontal plane is between twenty degrees and thirty degrees.

3. The patella loosener according to claim 1, wherein the contact head (5) is arranged in a cambered surface.

4. The patella loosener according to claim 1, wherein the two ends of the bottom of the two first supporting frames (2) are connected with supporting legs (1) through bolts, and the bottoms of the supporting legs (1) are connected with supporting pads (7) through bolts.

5. The patella loosening device as claimed in claim 4, wherein a fixing strap (6) is connected between the two support legs (1) at the same end of the first support frame (2) by means of bolts.

6. The patella loosener according to claim 5, wherein the bottom central positions of the two fixing belts (6) are connected with limiting pads (8) through bolts, and the bottoms of the limiting pads (8) are concave.

7. The patella loosener according to claim 1, wherein the pressure sensor (9) and the electric telescopic rod (4) are electrically connected with a control panel (10) through signal wires, the control panel (10) controls the telescopic rod (4) to stretch and retract, and the control panel (10) displays the pressure value of the pressure sensor (9).