Search

CN-122005272-A - Knee joint rehabilitation auxiliary equipment for orthopaedics

CN122005272ACN 122005272 ACN122005272 ACN 122005272ACN-122005272-A

Abstract

The invention relates to the technical field of medical auxiliary instruments, and discloses knee joint rehabilitation auxiliary equipment for orthopaedics, which comprises a rehabilitation chair supporting leg, wherein a seat frame is arranged at the top of the rehabilitation chair supporting leg, a foam-rubber cushion is arranged at the top of the seat frame, a cross rod is arranged at the bottom of the seat frame, and a rehabilitation training mechanism is arranged at the outer edge of the cross rod. Through the setting of passive telescopic cylinder and initiative telescopic cylinder, flexible lead screw can drive passive telescopic cylinder and stretch out and draw back in the initiative telescopic cylinder, make the shank rack of connecting on passive telescopic cylinder can obtain passive motion, the patient drives shank rack and initiative telescopic cylinder through raising the shank and moves, initiative telescopic cylinder moves and drives check valve one and check valve two and move, make the patient can carry out the initiative motion, and then it is single to have solved knee joint rehabilitation equipment function, the initial stage of patient's rehabilitation can only adopt passive motion's mode to the terminal stage, can't switch over the problem of initiative training mode according to patient's recovered stage.

Inventors

  • WEI PINGLI
  • DENG YANCHUN
  • HUANG XIUJUAN
  • WEI YUAN
  • HU XUEMEI

Assignees

  • 四川里来思诺生物科技有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. The knee joint rehabilitation auxiliary equipment for orthopaedics comprises a rehabilitation chair supporting leg (1) and is characterized in that a seat frame (2) is arranged at the top of the rehabilitation chair supporting leg (1), a foam-rubber cushion (3) is arranged at the top of the seat frame (2), a cross rod (4) is arranged at the bottom of the seat frame (2), and a rehabilitation training mechanism (5) is arranged at the outer edge of the cross rod (4); the rehabilitation training mechanism (5) comprises a position switching assembly (51), and a rehabilitation movement assembly (52) is arranged at the bottom of the position switching assembly (51); The position switching assembly (51) comprises a movable bracket (5101), and the movable bracket (5101) is in sliding connection with the cross rod (4); Recovered motion subassembly (52) are including motion outer cylinder body (5201), the inner wall sliding connection of motion outer cylinder body (5201) has initiative telescopic cylinder (5202), the fixed motion base (5203) that is equipped with in bottom of initiative telescopic cylinder (5202), motion base (5203) and motion outer cylinder body (5201) sliding connection, the top of motion base (5203) is equipped with check valve one (5204) and check valve two (5205), intercommunication groove (5226) have been seted up at the top of motion outer cylinder body (5201), initiative external screw thread (5209) have been seted up to the head of initiative telescopic cylinder (5202), initiative telescopic cylinder (5202)'s outer wall activity cup joints initiative connecting cylinder (5210), the head of initiative telescopic cylinder (5202) is equipped with switches external screw thread section of thick bamboo (5211), switch external screw thread section of thick bamboo (5211) outer wall mounting rotary disk (5214), switch threaded rod (5213) are installed to the inner wall of rotary disk (5214), switch external edge threaded connection (5215) threaded rod (5215), threaded rod (5215) are installed to the outer wall of rotary disk (5215).
  2. 2. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 1, wherein a resistance groove (52011) is formed in the inner wall of the movable outer cylinder body (5201), the movable base (5203) is slidably connected with the resistance groove (52011), and the active telescopic cylinder (5202) is located between a first check valve (5204) and a second check valve (5205).
  3. 3. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 1, wherein a strip groove (5207) is formed in the inner wall of the active telescopic cylinder (5202), a limit strip (5206) is connected to the inner wall of the strip groove (5207) in a sliding mode, a passive telescopic cylinder (5208) is arranged on the outer wall fixing device of the limit strip (5206), and the motion base (5203) and the active telescopic cylinder (5202) are connected with the limit strip (5206) in a sliding mode.
  4. 4. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 3, wherein a tail inner thread ring (5218) is arranged at the bottom of the passive telescopic cylinder (5208), a telescopic screw rod (5219) is connected with the inner wall of the tail inner thread ring (5218) in a threaded mode, a head inner thread ring (5212) is arranged at the top of the passive telescopic cylinder (5208), and the head inner thread ring (5212) is connected with a switching threaded rod (5213) in a threaded mode.
  5. 5. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 4, wherein the outer wall of the telescopic screw rod (5219) is fixedly sleeved with a large gear (5220), the outer edge of the large gear (5220) is meshed with a small gear (5221), the outer edge of the small gear (5221) is meshed with a middle gear (5222), the outer edge of the middle gear (5222) is meshed with a driving gear (5223), the driving gear (5223) is fixedly sleeved on a power output shaft of the servo motor (5224), the small gear (5221), the middle gear (5222) and the servo motor (5224) are all installed on a protective shell (5225), the protective shell (5225) is installed on a moving outer cylinder body (5201), and the protective shell (5225) is movably connected on the moving support (5101).
  6. 6. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 1, wherein a cover plate (5227) is arranged at the top of the outer movement cylinder body (5201), a fixed support (5228) is arranged at the top of the cover plate (5227), a locking disc (5230) is arranged at the top of the fixed support (5228), a locking rod (5231) is connected with the inner wall of the locking disc (5230) in a threaded manner, and a fixing hole (5233) is formed in the outer wall of the active telescopic cylinder (5202).
  7. 7. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 6, wherein a chute (5229) is formed in the inner wall of the fixed support (5228), a sliding block (5232) is arranged on the outer edge of the locking rod (5231), and the sliding block (5232) is in sliding connection with the chute (5229).
  8. 8. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 1, wherein a moving block (5217) is movably connected to the inner wall of the connecting head (5216), a shank placing rack (5234) is arranged on the outer wall of the moving block (5217), a shank binding belt (5235) is arranged on the inner wall of the shank placing rack (5234), and the shank placing rack (5234) is movably connected to the moving support (5101).
  9. 9. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 1, wherein a mounting bracket (5102) is arranged on the outer wall of the movable bracket (5101), a pull rod (5103) is connected to the inner wall of the mounting bracket (5102) in a sliding mode, a plug pin (5107) is arranged on the outer wall of the pull rod (5103), a positioning rod (5108) is arranged on the outer edge of the plug pin (5107), and a plurality of positioning grooves (5109) are formed in the outer edge of the positioning rod (5108).
  10. 10. The knee joint rehabilitation auxiliary device for orthopaedics according to claim 9, wherein connecting blocks (5110) are arranged at two ends of the positioning rod (5108), the connecting blocks (5110) are arranged at the bottom of the seat frame (2), plugs (5104) are arranged on the outer wall of the mounting support (5102), limit rods (5105) are arranged on the outer edges of the plugs (5104), the limit rods (5105) are in sliding connection with the pull rods (5103), and reset springs (5106) are movably sleeved on the outer edges of the limit rods (5105).

Description

Knee joint rehabilitation auxiliary equipment for orthopaedics Technical Field The invention relates to the technical field of medical auxiliary instruments, in particular to knee joint rehabilitation auxiliary equipment for orthopaedics. Background The knee joint is composed of the lower end of femur, the upper end of tibia and patella, is the most complex joint of human body, belongs to pulley joints, is used as an important load and movable joint of lower limb of human body, is easy to cause dysfunction due to trauma and operation such as knee joint replacement operation and degeneration, and is important for recovering the flexion and extension ability, muscle strength and limb coordination of the knee joint after operation or rehabilitation training after injury. The existing knee joint rehabilitation equipment has single function, the early stage to the end stage of patient rehabilitation can only adopt a passive movement mode, the active training mode can not be switched according to the rehabilitation stage of the patient, and the full-period requirement from the early stage to the later stage of strength reinforcement can not be met, so that the knee joint rehabilitation auxiliary equipment with double training modes and flexible switching is required to be invented, the clinical diversified rehabilitation requirement can be adapted, and the rehabilitation efficiency and the patient use experience can be improved. Disclosure of Invention The invention provides knee joint rehabilitation auxiliary equipment for orthopaedics, which solves the problems set forth in the background technology. The invention provides the technical scheme that the knee joint rehabilitation auxiliary equipment for orthopaedics comprises rehabilitation chair support legs, wherein a seat frame is arranged at the top of each rehabilitation chair support leg, a foam-rubber cushion is arranged at the top of each seat frame, a cross rod is arranged at the bottom of each seat frame, and a rehabilitation training mechanism is arranged at the outer edge of each cross rod; the rehabilitation training mechanism comprises a position switching assembly, and a rehabilitation movement assembly is arranged at the bottom of the position switching assembly; the position switching assembly comprises a movable bracket which is in sliding connection with the cross rod; The rehabilitation exercise assembly comprises an exercise outer cylinder body, wherein an active telescopic cylinder is connected to the inner wall of the exercise outer cylinder body in a sliding manner, an exercise base is fixedly arranged at the bottom of the active telescopic cylinder body, the exercise base is connected with the exercise outer cylinder body in a sliding manner, a first check valve and a second check valve are arranged at the top of the exercise base, a communication groove is formed in the top of the exercise outer cylinder body, an active external thread is formed in the head of the active telescopic cylinder body, an active connecting cylinder is movably sleeved on the outer wall of the active telescopic cylinder body, a switching external thread cylinder is arranged at the head of the active telescopic cylinder body, a rotary disc is arranged on the outer wall of the switching external thread cylinder body, a switching threaded rod is arranged on the inner wall of the rotary disc, a threaded rod connecting disc is connected to the outer edge of the switching threaded rod in a threaded manner, and a connector is arranged on the outer wall of the connecting disc of the threaded rod. As a preferable technical scheme of the invention, a resistance groove is formed in the inner wall of the moving outer cylinder body, the moving base is connected with the resistance groove in a sliding mode, and the driving telescopic cylinder is located between the first check valve and the second check valve. As a preferable technical scheme of the invention, the inner wall of the active telescopic cylinder is provided with a strip groove, the inner wall of the strip groove is connected with a limit strip in a sliding manner, the outer wall of the limit strip is fixedly provided with a passive telescopic cylinder, and the motion base and the active telescopic cylinder are both connected with the limit strip in a sliding manner. As a preferable technical scheme of the invention, the bottom of the passive telescopic cylinder is provided with the tail internal thread ring, the inner wall of the tail internal thread ring is in threaded connection with the telescopic screw rod, the top of the passive telescopic cylinder is provided with the head internal thread ring, and the head internal thread ring is in threaded connection with the switching threaded rod. As a preferable technical scheme of the invention, the outer wall of the telescopic screw rod is fixedly sleeved with a large gear, the outer edge of the large gear is meshed with a small gear, the outer edge of the small gea