Rehabilitation nursing seat with massage function
By arranging an arc-shaped massage plate, leg and buttocks massage mechanisms on the rehabilitation nursing seat, and using a drive motor and a rotating structure to achieve reciprocating squeezing massage of the legs and buttocks, the problem that existing rehabilitation nursing seats cannot provide relaxing massage for the legs is solved, and the comfort and effect of rehabilitation training are improved.
Patent Information
- Application Number
- CN202510816257.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-18
- Publication Date
- 2025-09-12
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing rehabilitation nursing chairs cannot effectively relax and massage the user's legs, affecting the patient's rehabilitation experience and effect.
An arc-shaped massage plate, a leg massage mechanism and a buttocks massage mechanism are arranged on the rehabilitation nursing seat. The turntable is driven to rotate by a driving motor, and the rotating structure and the sliding structure are used to realize reciprocating squeezing massage of the legs and buttocks. The height of the footrest is adjusted by the adjustment mechanism to adapt to different users.
It achieves effective massage of the user's legs and buttocks, improves the comfort and effect of rehabilitation training, and adapts to the needs of different users.
Smart Images

Figure CN120617014A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of rehabilitation nursing chairs, and in particular to a rehabilitation nursing chair with a massage function. Background Art
[0002] Rehabilitation nursing chairs are medical devices designed specifically for rehabilitation patients. They help patients with posture training and functional activity training by adjusting posture and providing support. They are widely used in hospitals, rehabilitation medical centers and other medical institutions. Medical institutions can choose appropriate chairs for treatment and rehabilitation training based on the patient's rehabilitation needs.
[0003] To this end, the patent with authorization announcement number CN117159289B discloses an upper limb rehabilitation safety nursing chair, which includes a patient transport wheelchair, a transmission-type palm massage structure, and an upper arm muscle rehabilitation training device. The present invention belongs to the technical field of rehabilitation chair equipment; the present invention transmits the kinetic energy of the wheelchair's movement to the hand massage device through a mechanical transmission structure, ensuring that as long as the wheelchair moves, it can massage and rub the patient's palms, stimulate the patient's palm nerves and muscles, and improve the speed of the patient's palm rehabilitation. The reciprocating lifting structure with adjustable rotation radius allows the patient's family to select the lifting height according to the patient's upper limb condition, so as to ensure the implementation of the patient's rehabilitation training process in stages;
[0004] The aforementioned existing technical solutions suffer from the following drawbacks: while they can provide rehabilitation training, they cannot provide a relaxing leg massage, significantly impacting the patient's rehabilitation experience and effectiveness. From a rehabilitation perspective, the legs are a crucial support area for movement. Long-term sitting can lead to muscle tension, which can hinder venous blood flow. Summary of the Invention
[0005] The purpose of the present invention is to provide a rehabilitation nursing chair with a massage function, so as to solve the defect that the existing rehabilitation nursing chair cannot perform a relaxing massage on the user's legs.
[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a rehabilitation nursing chair with massage function, comprising a rehabilitation nursing chair body;
[0007] An armrest is installed on the outer wall of the rehabilitation nursing seat body, an arc-shaped massage plate is fixedly connected to the outer wall of the rehabilitation nursing seat body, and a leg massage mechanism is installed on the outer wall of the rehabilitation nursing seat body;
[0008] The leg massage mechanism includes a support plate fixedly mounted on the outer wall of the rehabilitation nursing seat body, the bottom of the support plate is fixedly connected to a drive motor, the output shaft of the drive motor is fixedly connected to a first rotating rod through a coupling, the top of the first rotating rod is fixedly connected to a turntable, the top of the turntable is fixedly connected to a first clamping rod, the outer wall of the first clamping rod is movably connected to a connecting plate, the inner wall of the connecting plate is movably connected to a second clamping rod, the outer wall of the second clamping rod is fixedly connected to a first receiving plate, and one side of the first receiving plate is fixedly connected to a first massage rod.
[0009] Preferably, the turntable forms a rotating structure through the first rotating rod and the support plate, and the turntable forms a rotating structure through the first clamping rod and the connecting plate, so that the turntable can rotate and drive the connecting plate to rotate and move along the first clamping rod.
[0010] Preferably, the connecting plate forms a rotating structure with the first supporting plate through the second clamping rod, the connecting plate is an open-hole design, the first massage rods are symmetrically arranged with the central axis of the first supporting plate, and the first massage rods are evenly spaced on one side of the first supporting plate, so that the movement of the connecting plate can drive the first supporting plate to move back and forth.
[0011] Preferably, the first massage rod and the arc-shaped massage plate form a sliding structure, and the arc-shaped massage plate is semi-arc-shaped, so that the first massage rod can slide back and forth along the arc-shaped massage plate, so that the end of the first massage rod can perform reciprocating squeezing massage on the user's legs.
[0012] Preferably, a buttocks massage mechanism is installed on the outer wall of the first rotating rod, and the buttocks massage mechanism includes a first bevel gear fixedly installed on the outer wall of the first rotating rod, the outer wall of the first bevel gear is movably connected to the second bevel gear, the outer wall of the second bevel gear is fixedly connected to the second rotating rod, one end of the second rotating rod is fixedly connected to an eccentric protrusion, the outer wall of the eccentric protrusion is movably connected to a movable plate, the top of the movable plate is fixedly connected to a second supporting plate, the top of the second supporting plate is fixedly connected to the second massage rod, and the outer wall of the rehabilitation nursing chair body is installed with a support frame.
[0013] Preferably, the first bevel gear forms a rotating structure with the support plate through the first rotating rod, the first bevel gear is meshed with the second bevel gear, the second bevel gear forms a rotating structure with the support frame through the second rotating rod, and the eccentric protrusion forms a rotating structure with the support frame through the second rotating rod, so that the rotation of the first bevel gear drives the second bevel gear to rotate, driving the eccentric protrusion fixedly connected to one end of the second rotating rod to rotate.
[0014] Preferably, the eccentric protrusion and the movable plate form a sliding structure, the second massage rod and the rehabilitation nursing seat body form a sliding structure, the second massage rod is symmetrically arranged with the central axis of the second supporting plate, and the second supporting plate is vertically distributed to the movable plate, so that the movable plate can move up and down, driving the second massage rod to move back and forth along the rehabilitation nursing seat body, so that the second massage rod performs reciprocating squeezing and massage on the user's buttocks.
[0015] Preferably, a through hole is provided inside the second supporting plate, and a guide rod is movably connected to the inner wall of the through hole, and a reset spring is installed on the outer wall of the guide rod. The guide rod is fixedly installed on the bottom of the rehabilitation nursing seat body, and the guide rod forms a sliding structure with the second supporting plate through the through hole, so that the second supporting plate can slide back and forth along the guide rod, so that the second supporting plate can automatically reset after moving up.
[0016] Preferably, an adjustment mechanism is installed inside the rehabilitation nursing seat body, and the adjustment mechanism includes a T-shaped movable groove opened inside the rehabilitation nursing seat body, the inner side wall of the T-shaped movable groove is opened with a threaded groove, the internal movability connection of the threaded groove is connected with a positioning bolt, the internal movability connection of the T-shaped movable groove is connected with a T-shaped movable block, the interior of the T-shaped movable block is opened with a limiting hole, and the outer wall of the T-shaped movable block is fixedly connected with a foot pedal.
[0017] Preferably, the rehabilitation nursing seat body forms a sliding structure through a T-shaped movable groove and a T-shaped movable block, the positioning bolt is threadedly connected to the rehabilitation nursing seat body through a threaded groove, and the positioning bolt is engaged with the T-shaped movable block through a limiting hole. The T-shaped movable groove is adapted to the T-shaped movable block, so that the T-shaped movable block can be slid and adjusted along the T-shaped movable groove, so that the height of the foot pedal can be adjusted.
[0018] The rehabilitation nursing chair with massage function provided by the present invention has the following advantages:
[0019] The arc-shaped massage plate, the leg massage mechanism and the buttocks massage mechanism are provided. By starting the driving motor, the turntable can be rotated, and the first clamping rod can make a circular motion along the top of the turntable. Under the transmission action of the connecting plate, the first receiving plate can be driven to move back and forth, so that the first massage rod can slide back and forth along the arc-shaped massage plate for a short distance, achieving the effect of reciprocating squeezing and massaging the user's legs.
[0020] Furthermore, since the first massage rods are evenly spaced on one side of the first receiving plate, the first massage rods can slide back and forth along the curved massage plate while performing compression massage on different positions of the user's legs, thereby increasing the range of leg massage.
[0021] Furthermore, the first bevel gear rotates due to the rotation of the first rotating rod, which causes the second bevel gear to rotate, thereby causing the eccentric protrusion fixedly connected to one end of the second rotating rod to rotate, so that the eccentric protrusion can squeeze the movable plate, causing the second massage rod to squeeze the user's buttocks, thereby achieving the effect of squeezing and massaging the user's buttocks;
[0022] Furthermore, the cooperation between the through hole and the guide rod can improve the sliding stability of the second receiving plate, thereby improving the stability of the second massage rod in massaging the user's buttocks. Under the action of the return spring, the second massage rod can be raised and then reset, further improving the efficiency of the reciprocating massage of the user's buttocks.
[0023] By providing a rehabilitation nursing seat body and an adjustment mechanism, the positioning bolt is rotated to move the end of the positioning bolt out of the limiting hole, and the foot pedal is pulled to make the T-shaped movable block slide and adjust along the T-shaped movable groove. When the foot pedal is adjusted to the required height, the positioning bolt is docked into the threaded groove at the corresponding height position and rotated, so that one end of the positioning bolt is inserted into the limiting hole for limiting, which makes it easy to adjust the height of the foot pedal, and further enables the rehabilitation nursing seat body to massage users with different leg lengths. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0025] Figure 2 It is a bottom view schematic diagram of the present invention;
[0026] Figure 3 It is a front view schematic diagram of the present invention;
[0027] Figure 4 It is a front view schematic diagram of the leg massage mechanism of the present invention;
[0028] Figure 5 This is a three-dimensional diagram of a first massage rod of the present invention;
[0029] Figure 6 This is a three-dimensional diagram of the main body of the rehabilitation and nursing chair of the present invention;
[0030] Figure 7 A three-dimensional diagram of the T-shaped movable groove of the present invention;
[0031] Figure 8 It is a three-dimensional diagram of a foot pedal of the present invention.
[0032] Explanation of the reference numerals in the figure: 1. Rehabilitation nursing chair body; 2. Armrest; 3. Arc-shaped massage plate; 4. Leg massage mechanism; 41. Support plate; 42. Drive motor; 43. First rotating rod; 44. Turntable; 45. First clamping rod; 46. Connecting plate; 47. Second clamping rod; 48. First receiving plate; 49. First massage rod; 5. Buttocks massage mechanism; 51. First bevel gear; 52. Second bevel gear; 53. Second rotating rod; 54. Eccentric protrusion; 55. Movable plate; 56. Second receiving plate; 561. Through hole; 562. Guide rod; 563. Return spring; 57. Second massage rod; 6. Support frame; 7. Adjustment mechanism; 71. T-shaped movable groove; 72. Threaded groove; 73. Positioning bolt; 74. T-shaped movable block; 75. Limiting hole; 76. Foot pedal. DETAILED DESCRIPTION
[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0034] See also Figures 1-8 The present invention provides a rehabilitation nursing seat with massage function, which includes a rehabilitation nursing seat body 1.
[0035] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, an armrest 2 is installed on the outer wall of the rehabilitation nursing seat body 1, an arc-shaped massage plate 3 is fixedly connected to the outer wall of the rehabilitation nursing seat body 1, and a leg massage mechanism 4 is installed on the outer wall of the rehabilitation nursing seat body 1. The leg massage mechanism 4 includes a support plate 41 fixedly installed on the outer wall of the rehabilitation nursing seat body 1, and the bottom of the support plate 41 is fixedly connected to a drive motor 42. The output shaft of the drive motor 42 is fixedly connected to a first rotating rod 43 through a coupling. The top of the first rotating rod 43 is fixedly connected to a turntable 44. The top of the turntable 44 is fixedly connected to a first clamping rod 45. The outer wall of the first clamping rod 45 is movably connected to a connecting plate 46, and the inner wall of the connecting plate 46 is movably connected to a second clamping rod 47. The outer wall of the second clamping rod 47 is fixedly connected to the first receiving plate 48, and the first massage rod 49 is fixedly connected to one side of the first receiving plate 48. The turntable 44 forms a rotating structure with the support plate 41 through the first rotating rod 43. The turntable 44 forms a rotating structure with the connecting plate 46 through the first clamping rod 45. The connecting plate 46 forms a rotating structure with the first receiving plate 48 through the second clamping rod 47. The connecting plate 46 is an open-hole design. The first massage rods 49 are symmetrically arranged with respect to the central axis of the first receiving plate 48. The first massage rods 49 are evenly spaced on one side of the first receiving plate 48. The first massage rods 49 and the arc-shaped massage plate 3 form a sliding structure, and the arc-shaped massage plate 3 is semi-arc-shaped.
[0036] When the user sits on the rehabilitation nursing chair body 1, he or she places his or her hands naturally and flatly on the rehabilitation nursing chair body 1, and makes the legs stick to the inner wall of the curved massage plate 3. By starting the drive motor 42, the turntable 44 fixedly connected to the top of the first rotating rod 43 can be rotated, and the first clamping rod 45 can make a circular motion along the top of the turntable 44, so that the connecting plate 46 can be rotated along the first clamping rod 45. Under the action of the second clamping rod 47, the connecting plate 46 can be rotated along the first supporting plate 48, and drive the first supporting plate 48 to move back and forth, so that the first massage rod 49 can slide back and forth a short distance along the curved massage plate 3, so that the ends of multiple first massage rods 49 can reciprocate to squeeze and massage the user's legs.
[0037] Reference Figure 2 、 Figure 3 、 Figure 4 and Figure 6As shown, the outer wall of the first rotating rod 43 is installed with a hip massage mechanism 5, and the hip massage mechanism 5 includes a first bevel gear 51 fixedly installed on the outer wall of the first rotating rod 43, the outer wall of the first bevel gear 51 is movably connected with the second bevel gear 52, the outer wall of the second bevel gear 52 is fixedly connected with the second rotating rod 53, one end of the second rotating rod 53 is fixedly connected with an eccentric protrusion 54, the outer wall of the eccentric protrusion 54 is movably connected with a movable plate 55, the top of the movable plate 55 is fixedly connected with a second receiving plate 56, and the top of the second receiving plate 56 is fixedly connected with a second massage rod 57. The outer wall of the rehabilitation nursing chair body 1 is installed with a support frame 6, the first bevel gear 51 forms a rotating structure with the support plate 41 through the first rotating rod 43, and the first bevel gear 51 is meshed with the second bevel gear 52 The second bevel gear 52 forms a rotating structure with the support frame 6 through the second rotating rod 53, the eccentric protrusion 54 forms a rotating structure with the support frame 6 through the second rotating rod 53, the eccentric protrusion 54 and the movable plate 55 form a sliding structure, the second massage rod 57 and the rehabilitation nursing seat body 1 form a sliding structure, the second massage rod 57 is symmetrically arranged with the central axis of the second supporting plate 56, the second supporting plate 56 and the movable plate 55 are vertically distributed, and a through hole 561 is opened inside the second supporting plate 56, and the inner wall of the through hole 561 is movably connected with a guide rod 562, and the outer wall of the guide rod 562 is sleeved with a reset spring 563, and the guide rod 562 is fixedly installed on the bottom of the rehabilitation nursing seat body 1, and the guide rod 562 forms a sliding structure with the second supporting plate 56 through the through hole 561.
[0038] By rotating the first rotating rod 43, the first bevel gear 51 can be rotated. Since the first bevel gear 51 is meshed with the second bevel gear 52, the second bevel gear 52 can be rotated, so that the second rotating rod 53 rotates and drives the eccentric protrusion 54 to rotate. Since the eccentric protrusion 54 is movably connected to the movable plate 55, the eccentric protrusion 54 can squeeze the movable plate 55, driving the second receiving plate 56 fixedly connected to the top of the movable plate 55 to move upward, so that the second massage rod 57 squeezes the user's buttocks, driving the second receiving plate 56 to slide along the guide rod 562, so that the return spring 563 is squeezed. When the eccentric protrusion 54 rotates to 180°, under the action of the return spring 563, the second receiving plate 56 can slide and reset along the guide rod 562, so that the second massage rod 57 is reset. As the size of the eccentric protrusion 54 rotates, the second massage rod 57 can perform reciprocating squeezing and massage on the user's buttocks.
[0039] Reference Figure 1 、 Figure 7 and Figure 8As shown, an adjustment mechanism 7 is installed inside the rehabilitation nursing seat body 1, and the adjustment mechanism 7 includes a T-shaped movable groove 71 opened inside the rehabilitation nursing seat body 1, and a threaded groove 72 is opened on the inner wall of the T-shaped movable groove 71, and a positioning bolt 73 is connected to the inner movability of the threaded groove 72, and a T-shaped movable block 74 is connected to the inner movability of the T-shaped movable groove 71, and a limiting hole 75 is opened inside the T-shaped movable block 74, and a foot pedal 76 is fixedly connected to the outer wall of the T-shaped movable block 74. The rehabilitation nursing seat body 1 forms a sliding structure with the T-shaped movable block 74 through the T-shaped movable groove 71, and the positioning bolt 73 is threadedly connected to the rehabilitation nursing seat body 1 through the threaded groove 72. The positioning bolt 73 is engaged with the T-shaped movable block 74 through the limiting hole 75, and the T-shaped movable groove 71 is adapted to the T-shaped movable block 74.
[0040] By rotating the positioning bolts 73 on both sides of the rehabilitation nursing seat body 1, since the rehabilitation nursing seat body 1 is threadedly connected to the positioning bolts 73 through the threaded groove 72, the end of the positioning bolt 73 can be moved out from the limiting hole 75 opened inside the T-shaped movable block 74, so that the T-shaped movable block 74 is released from the limit, and the foot pedal 76 is pulled to make the T-shaped movable block 74 slide and adjust along the T-shaped movable groove 71. When the foot pedal 76 is adjusted to the required height, the positioning bolt 73 is docked into the threaded groove 72 at the corresponding height position and rotated to make the positioning bolt 73 move along the rehabilitation nursing seat body 1, and one end of the positioning bolt 73 is inserted into the limiting hole 75 for limiting, so that the height of the foot pedal 76 can be adjusted.
[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A rehabilitation nursing chair with a massage function, comprising a rehabilitation nursing chair body (1); Its characteristics are: The outer wall of the rehabilitation nursing chair body (1) is equipped with an armrest (2), the outer wall of the rehabilitation nursing chair body (1) is fixedly connected with an arc-shaped massage plate (3), and the outer wall of the rehabilitation nursing chair body (1) is equipped with a leg massage mechanism (4); The leg massage mechanism (4) includes a support plate (41) fixedly mounted on the outer wall of the rehabilitation nursing chair body (1), the bottom of the support plate (41) is fixedly connected to a drive motor (42), the output shaft of the drive motor (42) is fixedly connected to a first rotating rod (43) through a coupling, the top of the first rotating rod (43) is fixedly connected to a turntable (44), the top of the turntable (44) is fixedly connected to a first clamping rod (45), the outer wall of the first clamping rod (45) is movably connected to a connecting plate (46), the inner wall of the connecting plate (46) is movably connected to a second clamping rod (47), the outer wall of the second clamping rod (47) is fixedly connected to a first receiving plate (48), and one side of the first receiving plate (48) is fixedly connected to a first massage rod (49).
2. The rehabilitation nursing chair with massage function according to claim 1, characterized in that: The rotating disk (44) forms a rotating structure through the first rotating rod (43) and the supporting plate (41), and the rotating disk (44) forms a rotating structure through the first clamping rod (45) and the connecting plate (46).
3. The rehabilitation nursing chair with massage function according to claim 1, characterized in that: The connecting plate (46) forms a rotating structure with the first receiving plate (48) through the second clamping rod (47). The connecting plate (46) is of open hole design. The first massage rods (49) are symmetrically arranged with respect to the central axis of the first receiving plate (48). The first massage rods (49) are evenly spaced and distributed on one side of the first receiving plate (48).
4. The rehabilitation nursing chair with massage function according to claim 1, characterized in that: The first massage rod (49) and the arc-shaped massage plate (3) form a sliding structure, and the arc-shaped massage plate (3) is arranged in a semi-arc shape.
5. The rehabilitation nursing chair with massage function according to claim 1, characterized in that: The outer wall of the first rotating rod (43) is equipped with a buttocks massage mechanism (5), and the buttocks massage mechanism (5) includes a first bevel gear (51) fixedly installed on the outer wall of the first rotating rod (43), the outer wall of the first bevel gear (51) is movably connected to the second bevel gear (52), the outer wall of the second bevel gear (52) is fixedly connected to the second rotating rod (53), one end of the second rotating rod (53) is fixedly connected to the eccentric protrusion (54), the outer wall of the eccentric protrusion (54) is movably connected to the movable plate (55), the top of the movable plate (55) is fixedly connected to the second receiving plate (56), the top of the second receiving plate (56) is fixedly connected to the second massage rod (57), and the outer wall of the rehabilitation nursing chair body (1) is equipped with a support frame (6).
6. The rehabilitation nursing chair with massage function according to claim 5, characterized in that: The first bevel gear (51) forms a rotating structure with the support plate (41) via the first rotating rod (43); the first bevel gear (51) is meshedly connected with the second bevel gear (52); the second bevel gear (52) forms a rotating structure with the support frame (6) via the second rotating rod (53); and the eccentric protrusion (54) forms a rotating structure with the support frame (6) via the second rotating rod (53).
7. The rehabilitation nursing chair with massage function according to claim 5, characterized in that: The eccentric protrusion (54) and the movable plate (55) form a sliding structure, the second massage rod (57) and the rehabilitation nursing chair body (1) form a sliding structure, the second massage rod (57) is symmetrically arranged with respect to the central axis of the second receiving plate (56), and the second receiving plate (56) and the movable plate (55) are vertically distributed.
8. The rehabilitation nursing chair with massage function according to claim 5, characterized in that: A through hole (561) is provided inside the second supporting plate (56), and the inner wall of the through hole (561) is movably connected to a guide rod (562), and the outer wall of the guide rod (562) is sleeved with a return spring (563). The guide rod (562) is fixedly installed on the bottom of the rehabilitation nursing chair body (1), and the guide rod (562) forms a sliding structure with the second supporting plate (56) through the through hole (561).
9. The rehabilitation nursing chair with massage function according to claim 1, characterized in that: An adjustment mechanism (7) is installed inside the rehabilitation nursing chair body (1), and the adjustment mechanism (7) includes a T-shaped movable groove (71) opened inside the rehabilitation nursing chair body (1), a threaded groove (72) is opened on the inner side wall of the T-shaped movable groove (71), a positioning bolt (73) is movably connected inside the threaded groove (72), a T-shaped movable block (74) is movably connected inside the T-shaped movable groove (71), a limiting hole (75) is opened inside the T-shaped movable block (74), and a foot pedal (76) is fixedly connected to the outer wall of the T-shaped movable block (74).
10. The rehabilitation nursing chair with massage function according to claim 9, characterized in that: The rehabilitation nursing chair body (1) forms a sliding structure through a T-shaped movable groove (71) and a T-shaped movable block (74); the positioning bolt (73) is threadedly connected to the rehabilitation nursing chair body (1) through a threaded groove (72); the positioning bolt (73) is engaged with the T-shaped movable block (74) through a limiting hole (75); and the T-shaped movable groove (71) is adapted to the T-shaped movable block (74).
Citation Information
Patent Citations
A safety nursing chair for upper limb rehabilitation
CN117159289B