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WO2025101065A1 - Dispositif réglable pour la réadaptation des articulations du genou et de la cheville - Google Patents

Dispositif réglable pour la réadaptation des articulations du genou et de la cheville Download PDF

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Publication number
WO2025101065A1
WO2025101065A1 PCT/MX2024/050074 MX2024050074W WO2025101065A1 WO 2025101065 A1 WO2025101065 A1 WO 2025101065A1 MX 2024050074 W MX2024050074 W MX 2024050074W WO 2025101065 A1 WO2025101065 A1 WO 2025101065A1
Authority
WO
WIPO (PCT)
Prior art keywords
knee
backrest
perforations
face
inclination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/MX2024/050074
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English (en)
Spanish (es)
Inventor
Jesús Raúl BELTRÁN RAMÍREZ
Jonathan De Jesús MARTÍNEZ MENDOZA
Xochitl Citlalli JIMENEZ ROMAN
Victor Manuel LARIOS ROSILLO
Ma Del Rocio MACIEL ARELLANO
Jose Antonio ORIZAGA TREJO
Ma Hidalia CRUZ HERRERA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2025101065A1 publication Critical patent/WO2025101065A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00—Operating tables; Auxiliary appliances therefor
    • A61G13/10—Parts, details or accessories
    • A61G13/12—Rests specially adapted therefor; Arrangements of patient-supporting surfaces
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A63B23/08—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs for ankle joints

Definitions

  • the present invention relates to the technical field of mechanics, electronics, medicine, in the specialty of biomechanics or biomedicine, and more specifically with physiotherapy equipment, since it provides an adaptable device for rehabilitation of knee and ankle joints.
  • Adaptive knee and ankle rehabilitation devices are used for the rehabilitation and treatment of injuries or conditions related to the knee and ankle joints. These devices are used to improve the mobility, strength, and functionality of these joints, especially after injuries, surgeries, or to aid in the recovery process.
  • Orthoses and Splints Throughout history, a variety of orthopedic devices have been used to provide support and stability to the knee and ankle joints during rehabilitation. These devices can vary in design and material and can be customized to a patient's individual needs.
  • Assisted rehabilitation technology With the advancement of technology, more sophisticated rehabilitation devices have emerged, such as exoskeletons and smart prosthetics. These devices can provide active assistance during movement, helping to improve muscle strength and coordination in patients with injuries or disabilities.
  • Virtual Reality and Gemification Some rehabilitation devices use virtual reality and gemification to make rehabilitation exercises more engaging and motivating for patients. This can help improve adherence to the rehabilitation program and ultimately speed up recovery.
  • Adjustable Design Allows you to adapt the device to different sizes and shapes of legs and ankles to accommodate a wide variety of patients.
  • Support and stability Provide adequate support for the knee and ankle joints during the rehabilitation process.
  • Controlled range of motion You may have mechanisms that limit or control the range of motion of your joints during rehabilitation, especially in the early stages of recovery.
  • Treatment modalities May include different treatment modalities, such as heat therapy, cold therapy, electrical stimulation, among others.
  • Assistive technology application This could be supported by electronic devices or applications that provide feedback, progress tracking, and personalized exercises.
  • the bow-knee and leg-correcting equipment comprises a correcting device main body having a space in which a human being and the leg can be mounted.
  • a pivotable foot-supporting plate is provided at one end of the correcting instrument main body, and a pivotable backrest slidably mounted in the longitudinal direction at the other end of the leg-correcting instrument main body; and a pair of opening/closing drive units buried between the foot-holding plate of the leg-correcting instrument main body and the seat unit, and a pair of mechanically connected opening/closing drive units that open and close with respect to each other.
  • the leg-correcting device further comprises a leg-supporting shaft; and a knee joint holding portion formed on one side of the upper end of the leg support shaft.
  • the nursing device of a patient with a knee flexion device comprises a substrate, is provided with the main tributary pointing on the base plate, the mounting slot has been placed on the upper surface of the main tributary pointing, the mounted internal of the mounting slot has the accessory support plate,
  • the accessory support plate includes the first minute plate and the second minute plate, the end of the first minute plate and the second minute plate is rotated and connected, the bottom of the accessory support plate is provided with an adjusting piece, the end of the main tributary is rotated and connected with the back part.
  • the utility model discloses that it can control the second minute board through the adjusting part and slide along the longitudinal direction of the main tributary, rotate simultaneously.
  • Another feature not evident in the previously cited documents is that it has a structure, which, inside, has hydraulic mechanisms of assistance and resistance for movement, through the internal mechanisms of assistance and resistance for movement the specialist performs the therapy according to the requirements or needs of the patient.
  • Another feature not shown in the previously cited documents is that they do not have a backrest element, the level of inclination of which can be adjusted for the comfort of the user and at the request of the specialist according to the therapy to be used.
  • Another feature not evident in the documents cited above is that it has elements of control by microcontrollers for the application of the therapy and with wireless communication elements for the application of the therapy, which allows connectivity with a smart device for remote control of the device, in such a way that the therapy for rehabilitation of the knee and ankle joints to be performed is programmed.
  • the present invention aims to provide an adaptable device for rehabilitation of the knee and ankle joints, which solves the aforementioned problems.
  • Another object of the present invention is to provide an adaptable device for rehabilitation of knee and ankle joints, which has a structure and a backrest on which the user lies down and the therapy is performed.
  • Another object of the present invention is to provide an adaptable device for rehabilitation of knee and ankle joints, the structure of which has hydraulic mechanisms for assistance and/or resistance to movement.
  • Another object of the present invention is to provide an adaptable device for rehabilitation of knee and ankle joints, which has control elements using microcontrollers for the application of the therapy.
  • Another object of the present invention is to provide an adaptable device for rehabilitation of knee and ankle joints, which has wireless communication elements for the application of the therapy.
  • Figure 1 shows a front perspective view of the adaptable device for rehabilitation of the knee and ankle joints, with the backrest at rest.
  • Figure 2 shows a front perspective view of the adaptable device for rehabilitation of knee and ankle joints, with the backrest activated.
  • Figure 3 shows a rear perspective view of the adaptable device for knee and ankle joint rehabilitation, with the backrest activated.
  • Figure 4 shows a detailed posterior perspective view of the knee rests and foot plate of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 5 shows a detailed perspective view of the knee extensors, plate and tilt extensors of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 6 shows a bottom view of the adaptable device for rehabilitation of knee and ankle joints.
  • Figure 7 shows a bottom left perspective view showing the internal components of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 8 shows a detailed view of the internal components of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 9 shows a detailed view of the linear and telescopic extension mechanisms, as well as the secondary oil distribution ducts of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 10 shows a detailed view of the connection between the plate with the footprint and the support plate connected by the footprint hinges of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 11 shows a detailed view of the connection between the foot plate and the support plate and the primary fins that run linearly along the guide rail of the adaptable device for rehabilitation of the knee and ankle joints.
  • Figure 12 shows a detailed view of the foot print plates, the linear extension mechanisms, inclination and telescopic extension mechanisms with their telescopic bar, as well as the valves and the secondary oil distribution ducts of the adaptable device for rehabilitation of the knee and ankle joints.
  • the adaptable device for rehabilitation of knee and ankle joints is made up of a structure (1) that is hollow and lacks its lower face, said structure (1) is preferably rectangular prismatic and has a modification creating a section with a smaller dimension in its thickness at one of its ends, said section with a smaller dimension is at least one third of the length of the structure (1); on the section of smaller dimension a backrest (2) is placed which is joined to the structure (1) by means of at least one backrest hinge (3) which is located between the edge of the face of the structure
  • the backrest (2) contains the backrest hinge (3) that joins said parts giving them movement.
  • the lower face of the backrest (2) has a backrest support (4) that is joined to the backrest (2) by means of at least one hinge for the support (7), which is located on its upper edge.
  • the backrest (2) at the end opposite the hinges (3) preferably has a curved edge or corner for the comfort of the user.
  • At least two slots (5) are placed on the surface of the upper face of the section with the smallest dimension of the structure (1), said slots (5) are configured to allow the end of the backrest support (4) that is not attached to the backrest (2) by means of the hinges for the support (7), to be inserted into any of said slots (5) so as to allow said backrest (2) to be secured and stabilized at a desired inclination.
  • a cavity (6) is placed on the rear face of the backrest (2) and has the same shape as the backrest support (4), this configuration allows that when the backrest (2) is required not to have inclination and is in a position in the horizontal plane, the backrest support (4) is housed in the cavity (6).
  • the structure (1) in its longitudinal section with greater dimension and greater thickness on its upper face adjacent to the pad (8) are located two perforations for knee extensor (9) that are preferably rectangular, and are placed one to one side of the other in a parallel manner transversely.
  • Two perforations for the inclination extender (12), preferably rectangular in shape, are placed on the upper face of the structure (1) at the end opposite the backrest (2), adjacent to the perforations for the knee extender (9), said perforations being perforations (12) are arranged in parallel, one on one side of the other.
  • bars (29) are placed longitudinally inside the structure (1) on the upper face on each side of the perforations for the inclination extender (12); thus leaving four bars (29) in parallel which are preferably longer than the perforations for the inclination extender (12) and which extend from the front face of the inside of the structure (1), to the end of the perforations for the inclination extender (12).
  • a guide (38) is placed on each of the bars (29) that are located at the ends of the perforations for the inclination extender (12) adjacent to the interior lateral faces of the structure (1), said guides (38) do not cross the entire thickness of the bars (29).
  • a guide (30) is placed on each of the bars (29) that are located inside and in the center of the structure (1) that are adjacent to the perforations for the inclination extender (12), said guides (30) cross the entire thickness of the bars (29).
  • a telescopic actuator (31) is placed by its base on the front face in the inner part of the structure (1) which is hollow, preferably in the center, being positioned in the middle of the bars (29) that are in the center of the two perforations for the inclination extender (12).
  • a lever (32) is placed perpendicularly at the end of the rod of the telescopic actuator (31); said lever (32) has a length that passes through the guides
  • said frames (33) are preferably rectangular and of solid structure in which one of its bases has greater thickness and dimension with respect to its entire structure and all its faces.
  • the internal lateral faces of the frames (33) contain rails (37) inside.
  • the frame (33) on the surface of its upper face of the largest base, has a primary receiving cylinder (34) in which an extendable tilt tube (13) is introduced, which is cylindrical in shape and has the capacity to extend and contract.
  • the primary receiving cylinder (34) in which an extendable tilt tube (13) is introduced, which is cylindrical in shape and has the capacity to extend and contract.
  • (34) is preferably hollow and positioned at an angle, is configured to provide support and stability to the tilting extension tube (13) when actuated.
  • the free end of the tilting extendable tube (13), i.e. the opposite end where the primary receiving cylinder (34) is located, is connected to a plate (14), which in turn is connected at its lower end to a support plate holder (26) by means of plate hinges (27), which facilitate the tilting movement of the plate (14), which is a solid plate with a dimension larger than a person's foot; to avoid involuntary movements of the user's foot, the surface of the front face of the plate (14) preferably has a cavity, a non-slip texture or a combination of the above.
  • the support plate support (26) is a solid plate on its side faces it has a pair of primary fins (36) that are preferably rectangular and solid, they are introduced into the rails (37) to give linear and uniform mobility to the support plate (26) and the plate (14); a linear extensible tube (28) configured to extend and contract is fixed by one of its ends on the front face and below the plate hinges (27) and the opposite end of the linear extensible tube (28) is assembled to a secondary receiving cylinder (35) which is located on the central inner face of the frame (33); this configuration allows a linear movement of the plate (14).
  • the frames (33) have a secondary fin (39) on their outer face opposite to the face where the lever (32) is fixed, said secondary fin (39) is introduced into the guide (38) of the bar (29) located at the opposite end of the telescopic actuator (31), allowing a linear movement of the frame (33) through the guides (30) and (38) when the telescopic actuator (31) is activated.
  • a base (25) is located inside the structure (1) positioned below each of the perforations for the knee extensor (9); on each base a knee extensor (10) is placed which protrudes from the structure (1); a cushion (11) is placed at the end of each knee extensor (10) that protrudes from the structure (1), on said cushion (11) the back of the knees is placed, giving comfort to the user of the adaptable device for rehabilitation of the knees. knee and ankle joints.
  • the knee extensors (10) are cylindrical in shape and have the ability to extend and contract.
  • a control module (18) is located and adjacent to this, an oil container (19) is located, the stored oil is distributed by means of a pair of hydraulic pumps (20) that are adjacent and connected to the oil container (19); said hydraulic pumps (20) allow the oil to be distributed from the oil container (19) to injectors (14) distributed one in each knee extender (10), inclination extendable tube (13) and linear extendable tube (28) by means of a distributor (21) which is connected to a plurality of valves (22), which are connected to ducts (23) which in turn each duct (23) is connected to an injector (24), this configuration allows the activation of the knee extenders (10), the inclination extendable tubes (13) and the linear extendable tubes (28).
  • each linear extendable tube (28) With the activation of each linear extendable tube (28) upon receiving the required oil, it begins with the linear movements of the support support (26) which in turn moves the plate (14) to begin with the movements vertical relaxation and contraction to move the user's knee joints, thus achieving flexion and contraction of the knees for rehabilitation.
  • the plate (14) tilting movements begin, thus allowing the patient to stretch and contract the user's ankle joint for rehabilitation.
  • the telescopic actuator (31) is connected by means of a wiring (not illustrated) to the control module (18) which allows its activation so that the frames (33) move linearly by means of the lever (32), allowing the adjustment of the plate (14) with respect to the height of the user.
  • the control module (18) is made up of a microcontroller (not illustrated), a power supply (not illustrated) and a wireless communication unit (not illustrated).
  • the wireless communication unit may be Bluetooth, Wi-Fi (Wireless Fidelity), or UWB (Ultra Wide Band) and is configured to connect to a smart device and program the adaptive knee and ankle rehabilitation device.
  • the smart device may be a tablet, phone, or computer.
  • An electrical power cable (40) with a plug (17) is connected at one end to the power supply (not illustrated) and is located on the external rear face. of the structure (1), with this configuration it is possible to charge the power supply (not illustrated) and energize the electrical and electronic components of the adaptable device for rehabilitation of the knee and ankle joints.
  • a cover (15) is placed on the missing face of the structure (1), allowing the lower part of the structure (1) to be covered, which helps prevent dust and dirt from entering the internal mechanisms and thus protect the elements of the adaptable device for rehabilitation of the knee and ankle joints.
  • Clamping mechanisms (16) retain and maintain the cover (15) in a fixed position; said clamping mechanisms are screws, rivets, magnetic means, clasps or a combination of the above.
  • a switch (not shown) is installed on the surface of the frame (1) and is connected to the power supply (not shown) of the control module (18); said switch is configured to energize or de-energize the adaptable device for rehabilitation of the knee and ankle joints.
  • each internal element of the adaptable device for rehabilitation of the knee and ankle joints is manipulated and controlled by a specialist in the field of rehabilitation by means of an intelligent device connected to the wireless communication unit (not illustrated) of the control module (18), to apply the rehabilitation therapy of the knee and ankle joints.
  • Example 1 Use of the adaptive device for knee and ankle joint rehabilitation. For knee joint therapy.
  • the user who requires therapy for rehabilitation of his knee joints goes to the medical staff trained and authorized to use the adaptable device for rehabilitation of knee and ankle joints, the trained medical staff guides the user to place himself on the structure (1), specifically he is instructed to place his buttocks on the pad (8).
  • the trained medical staff places the backrest (2) in a completely horizontal position or also manually has the option of tilting the backrest (2) in various tilt positions by inserting the backrest support (4) into the slots (5), said positions can be changed at will as required during the course of the therapy.
  • the trained physician adjusts in advance by connecting a smart device (not illustrated) previously connected to the wireless communication unit (not illustrated) of the control module (18), and subsequently by means of the smart device adjusts the height of the plates (14) with respect to the height of the user until the cushions (11) of the knee extensors (10) are just below the knee joints; the movement of the plates (14) is achieved thanks to the lever (32) that is placed perpendicularly at the end of the rod of the telescopic actuator (31) which is connected by the cable to the control module (18) and from there it is activated wirelessly.
  • the specialist doctor starts the therapy for the knee joints from the wireless device (not illustrated), sending the signal to the control module (18) to allow the oil container (19) to release oil to the hydraulic pump (20) and thus send it through the distributor (21) to the valves (22) and these through the duct (23) make the oil reach the oil injectors (24) activating the knee extensors (10), upon receiving the required oil; in order to start with the vertical movements of relaxation and contraction to move the user's knee joints, thus achieving flexion and contraction of the knee for its rehabilitation.
  • the oil injector (24) of the linear extendable tube (28) When the oil injector (24) of the linear extendable tube (28) receives the required oil, it begins with the linear movements of the support bracket (26) which in turn moves the plate (14) to begin with the vertical movements of relaxation and contraction to move the user's knee joints, thus achieving flexion and contraction of the knees for their rehabilitation.
  • Example 2 Use of the adaptable device for rehabilitation of knee and knee joints ankle. For ankle joint therapy.
  • the user who requires therapy for rehabilitation of his ankle joints goes to the medical staff trained and authorized to use the adaptable device for rehabilitation of knee and ankle joints, the trained medical staff guides the user to place himself on the structure (1), specifically he is instructed to place his buttocks on the pad (8).
  • the trained medical staff places the backrest (2) in a completely horizontal position or also manually has the option of tilting the backrest (2) in various tilt positions by inserting the backrest support (4) into the slots (5), said positions can be changed at will as required during the course of the therapy.
  • the trained physician adjusts in advance connects a smart device (not illustrated) previously connected to the wireless communication unit (not illustrated) of the control module (18), to subsequently by means of the smart device adjust the height of the plates (14) with respect to the height of the user until the cushions (11) of the knee extensors (10) are just below the knee joints; the movement of the plates (14) is achieved thanks to the lever (32) that is placed perpendicularly at the end of the rod of the telescopic actuator (31) which is connected with the cable to the control module (18) and from there it is activated wirelessly.
  • the specialist doctor starts the therapy for the ankle joints from the smart device (not illustrated), sending the signal to the control module (18) to allow the oil container (19) to release oil to the hydraulic pump (20) and thus send it through the distributor (21) to the valves (22) and these through the duct (23) make the oil reach the oil injectors (24) activating the extendable tilt tube (13) that is inside the primary receiver cylinder (34), upon receiving the required oil, it begins with the ankle tilt movements, tilting the plate (14) thanks to its hinges (27) for its rehabilitation.
  • the oil injector (24) of the linear extension tube (28) receives the required oil, it starts with the linear movements of the support bracket (26) which in turn moves the plate (14) to start with the vertical movements of relaxation and contraction to move the user's ankle joints for rehabilitation.

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Pain & Pain Management (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Epidemiology (AREA)
  • Rehabilitation Tools (AREA)

Abstract

La présente invention concerne un dispositif réglable pour la réadaptation des articulations du genou et de la cheville, comprenant un mécanisme de réadaptation pour les articulations du genou et de la cheville, agissant de manière indépendante, au moyen de trois mouvements distincts, tels que la flexion du genou, l'extension de la jambe ainsi que l'extension de la cheville, conjointement ou indépendamment en fonction des besoins, par utilisation de mécanismes hydrauliques basés sur des pompes à huile ; des mécanismes indépendants sont mis en œuvre pour chaque articulation de chaque jambe, d'où de nombreuses possibilités de routines thérapeutiques, les mécanismes ayant pour fonction de générer un appui pendant le mouvement en vue de la réadaptation et d'exercer une résistance à cet effet en fonction des besoins de l'utilisateur ; les éléments susmentionnés sont tous actionnés de manière automatique par un module de commande basé sur un microcontrôleur et doté de moyens de communication sans fil permettant une connectivité avec un dispositif intelligent pour la commande à distance du dispositif.
PCT/MX2024/050074 2023-11-08 2024-11-04 Dispositif réglable pour la réadaptation des articulations du genou et de la cheville Pending WO2025101065A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2023013221 2023-11-08
MXMX/A/2023/013221 2023-11-08

Publications (1)

Publication Number Publication Date
WO2025101065A1 true WO2025101065A1 (fr) 2025-05-15

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ID=95696452

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Application Number Title Priority Date Filing Date
PCT/MX2024/050074 Pending WO2025101065A1 (fr) 2023-11-08 2024-11-04 Dispositif réglable pour la réadaptation des articulations du genou et de la cheville

Country Status (1)

Country Link
WO (1) WO2025101065A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9314669B2 (en) * 2011-05-30 2016-04-19 Overtech Co., Ltd. Total-body exerciser
CN212490671U (zh) * 2020-03-27 2021-02-09 王晓燕 一种医用护理用腿部活动器
CN113069326A (zh) * 2021-05-08 2021-07-06 山东泽普医疗科技有限公司 一种上身角度可调节下肢康复训练设备
CN114177587A (zh) * 2021-12-15 2022-03-15 郑州颐和医院 一种骨科术后常用膝关节康复锻炼辅助设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9314669B2 (en) * 2011-05-30 2016-04-19 Overtech Co., Ltd. Total-body exerciser
CN212490671U (zh) * 2020-03-27 2021-02-09 王晓燕 一种医用护理用腿部活动器
CN113069326A (zh) * 2021-05-08 2021-07-06 山东泽普医疗科技有限公司 一种上身角度可调节下肢康复训练设备
CN114177587A (zh) * 2021-12-15 2022-03-15 郑州颐和医院 一种骨科术后常用膝关节康复锻炼辅助设备

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