A hand fixation device for infusion nursing of psychiatric patients

Abstract

The present invention belongs to the field of medical device technology, and specifically refers to a hand fixing device for infusion care of psychiatric patients. The patient's arm is fixed by an air bag, and the impeller transmission component is driven to rotate by suction of an air pump, so as to realize slight reciprocating movement of the patient's fingers and prevent finger paralysis and poor blood circulation. The pipe rotating component and the change ring plate design in the device realize alternating inflation and deflation of the arm fixing air bag, effectively reducing the long-term pressure on the same part of the arm and reducing the risk of pressure sores. At the same time, the setting of the heating wire makes the airflow warm, further promotes blood circulation, and improves the comfort of the patient.

Description

Technical Field

[0001] The invention belongs to the technical field of medical devices, and specifically refers to a hand fixing device for infusion nursing of psychiatric patients. Background Art

[0002] Psychiatric patients are often impatient and nervous during infusion due to their abnormal mental state. They cannot control their behavior and are prone to problems such as needle falling off and blood flowing back from the infusion tube to the infusion bottle. Therefore, hand fixation devices are needed to restrain the hands. However, the hand fixation devices currently on the market have the following problems:

[0003] (1) Most existing hand fixation devices use compression belts or air bags to directly fix the patient's arm. However, the position of the air bag and compression belt cannot be changed, and long-term pressure is applied to the same part of the patient's arm, increasing the risk of local skin and tissue damage.

[0004] (2) Keeping the patient's fingers tied for a long time in the same state will lead to poor blood circulation in the fingers, causing local tissue ischemia, reducing the patient's comfort, and causing the patient to struggle violently and unnecessarily;

[0005] (3) The patient's arm may feel cold during the infusion process, especially in a low temperature environment. Existing hand fixation devices cannot help the patient keep his arm warm, causing vasoconstriction and thus slowing blood circulation. Summary of the invention

[0006] The present invention overcomes the shortcomings of the prior art and provides a hand fixing device for infusion care of psychiatric patients. The impeller transmission component is driven to rotate by air pump suction, and a driven shaft is designed to change unidirectional rotation into reciprocating motion. The reciprocating driven shaft is used to realize slight reciprocating movement of the patient's fingers, which helps to prevent finger paralysis and poor blood circulation. At the same time, the reciprocating motion drives the design of the pipeline rotation component and the change-channel ring plate, realizing the alternating inflation and deflation of the arm fixing airbag, effectively reducing the long-term pressure on the same part of the patient's arm and reducing the risk of pressure sores.

[0007] The technical solution adopted by the present invention is as follows: This solution provides a hand fixing device for nursing infusion of psychiatric patients, including a seat, armrests are symmetrically fixed on the seat plate of the seat, a support shell is fixed on the top of the armrest, an air pump is fixed on the bottom wall of the inner cavity of the support shell to provide power for arm fixation, an arm fixing cylinder is fixed on the top of the support shell, an arm fixing airbag is fixed in a circular array on the inner circumferential wall of the arm fixing cylinder, which is used to fix the patient's arm to prevent the arm from moving during the infusion process, an inflatable fixing component is fixed in the inner cavity of the arm fixing cylinder to control the gas flow path, the inlet end of the inflatable fixing component is connected to the outlet of the air pump, and the outlet end of the inflatable fixing component is connected to the arm fixing airbag, a hand fixing shell is fixed on the side wall of the support shell, and the The side walls of the arm fixing cylinder and the hand fixing shell are penetrated by an arc-shaped slide groove that cooperates with the inflation fixing component. An impeller transmission component is fixedly provided in the inner cavity of the hand fixing shell. The impeller transmission component rotates under the suction action of the air pump, thereby driving the finger support plate and the pipeline rotation component to move. The inlet end of the impeller transmission component is fixedly connected with the inner cavity of the arm fixing cylinder in a through-type fixed connection, and the outlet end of the impeller transmission component is fixedly connected with the air suction port of the air pump in a through-type fixed connection. A finger intermittent movable component is provided on the top wall of the hand fixing shell, and the finger intermittent movable component cooperates with the impeller transmission component to enable the patient's fingers to move slightly. A pipeline rotation component is fixedly connected to the inner wall of the hand fixing shell, and the pipeline rotation component cooperates with the finger intermittent movable component to realize alternating inflation and deflation of the arm fixing airbag.

[0008] Furthermore, the inflatable fixing assembly includes a slide ring plate, a lane-changing ring plate and an annular air channel; the slide ring plate is symmetrically fixed on the inner wall of the arm fixing tube to ensure the stable rotation of the lane-changing ring plate, the lane-changing ring plate is rotatably connected to the circumferential wall of the slide ring plate, the lane-changing ring plate is fixedly connected to the side wall of the hand fixing shell close to the hand fixing shell, the transmission rod passes through the arc-shaped slide groove and extends into the inner cavity of the hand fixing shell, the transmission rod is movably connected to the pipeline rotating assembly, connecting the lane-changing ring plate and the pipeline rotating assembly to transmit rotational power, and the lane-changing ring plate is connected to the pipeline rotating assembly to transmit rotational power. The circumferential wall of the lane changing ring plate is penetrated by an alternating circular array of air intake holes and air deflation holes. An air intake pipe is fixedly provided on the air intake hole. The relative positions of the air intake hole and the air deflation hole are changed by rotation to achieve alternating inflation and deflation of the arm fixed airbag. The annular airway is fixedly connected to the inlet end of the air intake pipe to provide a channel for gas flow. An elastic pipe is fixedly provided on the circumferential wall of the annular airway. The elastic pipe has a certain amount of expansion and contraction to support the rotation of the lane changing ring plate. The inlet end of the elastic pipe is fixedly connected to the outlet end of the air pump.

[0009] Furthermore, the impeller transmission assembly includes a wind tube, a rotating shaft and a transmission shaft; one end of the wind tube is fixedly connected to the inner wall of the hand fixing shell to form an air flow channel, and a gas pipeline and an exhaust channel are fixedly connected to the circumferential wall of the wind tube, the inlet end of the gas pipeline is connected to the inner cavity of the arm fixing tube, and the outlet end of the exhaust channel is fixedly connected to the exhaust port of the air pump, the coaxial rotation of the rotating shaft is connected to the inner wall of the wind tube to transmit rotational power, one end of the rotating shaft passes through the inner wall of the wind tube and is fixedly provided with a turntable, and a circular array of impeller blades is provided on the circumferential wall of the rotating shaft, and the transmission shaft is fixedly connected to the circumferential wall of the turntable to transmit the rotation of the turntable to the finger intermittent activity assembly.

[0010] Furthermore, the finger intermittent movement component includes a driven shaft, a worm, a half-tooth turbine and a finger support plate; the bottom end of the driven shaft is rotatably connected to the inner bottom wall of the hand fixing shell, and the circumferential wall of the driven shaft is symmetrically provided with arc grooves, and the two ends of the arc groove are through-connected with straight grooves, which convert the unidirectional rotation of the transmission shaft into reciprocating motion, and the worm is fixed to the top end of the driven shaft, and the half-tooth turbine is rotatably connected to the inner wall of the hand fixing shell to drive the finger support plate to move, and the half-tooth turbine meshes with the worm, and a connecting rod is fixedly connected to the circumferential wall of the half-tooth turbine, and the bottom end of the finger support plate is fixedly connected to the top end of the connecting rod, and a finger fixing ring plate is fixedly provided on the top end of the finger support plate to support the patient's fingers and realize intermittent movement.

[0011] Furthermore, the pipeline rotation assembly includes a driven screw, a guide rod and a slider; the driven screw is coaxially fixedly connected to the side wall of the half-tooth turbine to synchronize the rotation of the half-tooth turbine, the slider is threadedly connected to the driven screw, a slide rail is fixedly provided on the top of the slider, the slide rail is movably connected to the transmission rod to drive the transmission rod to move, one end of the guide rod is fixedly connected to the inner wall of the hand fixing shell, and the other end of the guide rod passes through the slider and is slidably connected to the slider.

[0012] Furthermore, a heating wire is fixedly arranged on the inner circumferential wall of the elastic pipe to heat the gas and provide warm airflow for the patient. The gas pipe is fixedly connected to the top wall of the hand fixing shell and the bottom end of the finger support plate in a U-shape to prolong the contact time of the warm airflow with the hand.

[0013] The beneficial effects achieved by the present invention using the above structure are as follows:

[0014] (1) The device fixes the patient's arm through an airbag and uses the flow of air to drive the impeller transmission component to rotate. At the same time, a driven shaft is designed that can change the force of the unidirectional rotating transmission shaft into a reciprocating rotating motion. The driven shaft drives the meshing of the worm and worm gear, so that the finger support plate can drive the patient's fingers to perform slight reciprocating movements, which helps prevent finger paralysis and poor blood circulation, thereby reducing the occurrence of ischemia problems. At the same time, the worm and worm gear structure can ensure that the patient's autonomous hand movement will not drive the finger support plate to move in the opposite direction;

[0015] (2) At the same time, the reciprocating rotation of the driven shaft drives the slider of the pipeline rotating assembly to move back and forth on the slide rail, so that the transmission rod drives the change ring plate to rotate back and forth, realizing the alternating inflation and deflation of the arm fixed airbag, effectively avoiding long-term pressure on the same part of the patient's arm, reducing the risk of local skin and tissue damage, and preventing the formation of pressure sores;

[0016] (3) The setting of the heating wire makes the airflow blown out by the air pump become warm. The heated airflow helps warm the patient's arm. The gas pipeline is set in a U-shaped shape, which can prolong the contact time between the pipeline and the support shell and the finger support plate, thereby warming the patient's hand for a long time, promoting blood circulation, and helping to reduce blood congestion and numbness caused by long-term fixation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a hand fixing device for infusion care of psychiatric patients proposed by the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the support shell, the arm fixing tube and the hand fixing shell proposed in the present invention;

[0019] Figure 3 A schematic diagram of the internal structure of a hand fixing device for infusion care of psychiatric patients proposed by the present invention;

[0020] Figure 4 Schematic diagram of the internal structure of the arm fixing tube proposed by the present invention Figure 1 ;

[0021] Figure 5 Schematic diagram of the internal structure of the arm fixing tube proposed by the present invention Figure 2 ;

[0022] Figure 6 for Figure 5 A partial enlarged view of the middle part;

[0023] Figure 7 The transmission structure proposed by the present invention is shown in FIG. Figure 2 ;

[0024] Figure 8for Figure 7 A partial enlarged view of part B in the middle;

[0025] Fig. 9 The transmission structure proposed by the present invention is shown in FIG. Figure 2 ;

[0026] Fig.10 A schematic diagram of the structure of the driven shaft proposed by the present invention;

[0027] Fig.11 Schematic diagram of pipeline connection structure;

[0028] Fig.12 This is a schematic diagram of the internal structure of the arm fixing tube proposed by the present invention;

[0029] Fig.13 This is a schematic diagram of the front structure of the arm fixing tube proposed in the present invention.

[0030] Among them, 1. seat, 11. armrest board, 2. support shell, 21. air pump, 22. arm fixing cylinder, 221. arm fixing airbag, 222. arc slide, 23. hand fixing shell, 3. inflatable fixing assembly, 31. slide ring plate, 32. lane change ring plate, 321. transmission rod, 322. air inlet hole, 323. air discharge hole, 324. air inlet pipe, 33. annular air duct, 331. elastic pipe, 3311. heating wire, 4. impeller transmission assembly, 4 1. Air duct, 411. Gas pipeline, 412. Exhaust channel, 42. Rotating shaft, 421. Turntable, 422. Impeller blades, 43. Transmission shaft, 5. Finger intermittent activity assembly, 51. Driven shaft, 511. Arc groove, 512. Straight groove, 52. Worm, 53. Half-tooth turbine, 531. Connecting rod, 54. Finger support plate, 541. Finger fixing ring plate, 6. Pipeline rotating assembly, 61. Driven screw, 62. Guide rod, 63. Slider, 631. Slide rail.

[0031] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] Example 1: Please refer to Figure 1-Figure 12The present embodiment provides a hand fixing device for infusion nursing of psychiatric patients, comprising a seat 1, an armrest plate 11 is symmetrically fixed on the seat plate of the seat 1, a support shell 2 is fixed on the top of the armrest plate 11, an air pump 21 is fixed on the bottom wall of the inner cavity of the support shell 2, an arm fixing cylinder 22 is fixed on the top of the support shell 2, an arm fixing airbag 221 is fixed on the circumferential array on the inner circumferential wall of the arm fixing cylinder 22, an inflatable fixing component 3 is fixed in the inner cavity of the arm fixing cylinder 22, an inlet end of the inflatable fixing component 3 is communicated with the air outlet of the air pump 21, an outlet end of the inflatable fixing component 3 is communicated with the arm fixing airbag 221, a hand fixing component 22 is fixed on the side wall of the support shell 2 The arm fixing shell 23, the arm fixing cylinder 22 and the hand fixing shell 23 are penetrated by an arc-shaped slide groove 222 which cooperates with the inflation fixing component 3. The inner cavity of the hand fixing shell 23 is fixedly provided with an impeller transmission component 4. The inlet end of the impeller transmission component 4 is fixedly connected with the inner cavity of the arm fixing cylinder 22 in a through-type fixed connection. The outlet end of the impeller transmission component 4 is fixedly connected with the air suction port of the air pump 21 in a through-type fixed connection. The top wall of the hand fixing shell 23 is provided with a finger intermittent movable component 5, and the finger intermittent movable component 5 is in transmission cooperation with the impeller transmission component 4. The inner wall of the hand fixing shell 23 is fixedly connected with a pipeline rotating component 6, and the pipeline rotating component 6 is in transmission cooperation with the finger intermittent movable component 5.

[0034] The inflatable fixing assembly 3 includes a slide ring plate 31, a lane changing ring plate 32 and an annular air channel 33; the slide ring plate 31 is symmetrically fixed on the inner wall of the arm fixing cylinder 22, the lane changing ring plate 32 is rotatably connected to the circumferential wall of the slide ring plate 31, and a transmission rod 321 is fixedly connected to the side wall of the lane changing ring plate 32 close to the hand fixing shell 23, and the transmission rod 321 passes through the arc-shaped slide groove 222 and extends into the inner cavity of the hand fixing shell 23. The transmission rod 321 is movably connected to the pipeline rotating assembly 6, and the circumferential wall of the lane changing ring plate 32 is intersected with an air inlet hole 32 in a staggered circumferential array. 2 and the deflation air hole 323, only half of the arm fixing airbag 221 is inflated to achieve the fixation of the patient's arm; the air inlet hole 322 is fixedly provided with an air inlet pipe 324, the annular airway 33 is fixedly connected to the inlet end of the air inlet pipe 324 in a through-type, and an elastic pipe 331 is fixedly provided on the circumferential wall of the annular airway 33, and the inlet end of the elastic pipe 331 is fixedly connected to the outlet end of the air pump 21. The lane changing ring plate 32 will drive the annular airway 33 to move during the rotation, and the expansion and contraction amount of the elastic pipe 331 can ensure the completion of the rotation to avoid pipeline damage.

[0035] The impeller transmission assembly 4 includes a wind tube 41, a rotating shaft 42 and a transmission shaft 43; one end of the wind tube 41 is fixedly connected to the inner wall of the hand fixing shell 23, and a gas pipeline 411 and an exhaust channel 412 are fixedly connected to the circumferential wall of the wind tube 41, the inlet end of the gas pipeline 411 is connected to the inner cavity of the arm fixing tube 22, and the outlet end of the exhaust channel 412 is fixedly connected to the exhaust port of the air pump 21, and the coaxial rotation of the rotating shaft 42 is connected to the inner wall of the wind tube 41, one end of the rotating shaft 42 passes through the inner wall of the wind tube 41 and is fixedly provided with a turntable 421, and a circumferential array of impeller blades 422 is provided on the circumferential wall of the rotating shaft 42. When the air pump 21 is exhausting air, the airflow pushes the impeller blades 422, and the impeller blades 422 drive the rotating shaft 42 to rotate, and the rotating shaft 42 then drives the turntable 421 to rotate, and the transmission shaft 43 is fixedly connected to the circumferential wall of the turntable 421, and the turntable 421 then drives the transmission shaft 43 to rotate.

[0036] The finger intermittent activity component 5 includes a driven shaft 51, a worm 52, a half-tooth turbine 53 and a finger support plate 54; the bottom end of the driven shaft 51 is rotatably connected to the inner bottom wall of the hand fixing shell 23, and arc grooves 511 are symmetrically opened on the circumferential wall of the driven shaft 51, and straight grooves 512 are connected at both ends of the arc groove 511. After the transmission shaft 43 enters an arc groove 511 from the straight groove 512, due to the arc design, the rotational force of the transmission shaft 43 will drive the driven shaft 51 to rotate according to the angle between the head and tail of the arc groove 511. After the rotation, another symmetrically arranged arc groove 511 is in the position where the transmission shaft 43 enters next time. After the transmission shaft 43 enters another arc groove 511 again, the driven shaft 51 rotates in the opposite direction to realize a reciprocating cycle. The worm 52 is fixedly arranged at the top end of the driven shaft 51, and the half-tooth turbine 53 is rotatably connected to the inner wall of the hand fixing shell 23. The half-tooth turbine 53 meshes with the worm 52. A connecting rod 531 is fixedly connected to the circumferential wall of the half-tooth turbine 53. The bottom end of the finger support plate 54 is fixedly connected to the top end of the connecting rod 531, and a finger fixing ring plate 541 is fixedly arranged at the top end of the finger support plate 54.

[0037] The pipeline rotating assembly 6 includes a driven screw 61, a guide rod 62 and a slider 63; the driven screw 61 is coaxially fixedly connected to the side wall of the half-tooth turbine 53, the slider 63 is threadedly connected to the driven screw 61, and a slide rail 631 is fixedly provided on the top of the slider 63, and the slide rail 631 is movably connected to the transmission rod 321. One end of the guide rod 62 is fixedly connected to the inner wall of the hand fixing shell 23, and the other end of the guide rod 62 passes through the slider 63 and is slidably connected to the slider 63. The reciprocating rotation of the half-tooth turbine 53 will drive the slider 63 to move back and forth along the guide rod 62, thereby realizing the rotation of the lane changing ring plate 32.

[0038] In this embodiment, the patient sits on the chair 1, extends his arm into the arm fixing tube 22, places the palm on the top wall of the hand fixing shell 23, and passes the fingers through the finger fixing ring plate 541. After starting the air pump 21, the air outlet of the air pump 21 blows out air, and the air passes through the elastic pipe 331, the annular airway 33, and the air inlet pipe 324, and then enters the arm fixing airbag 221 from the air inlet hole 322. The air inlet holes 322 and the air release holes 323 are arranged alternately. After the half of the arm fixing airbag 221 connected to the air inlet holes 322 is inflated, the patient's arm is fixed; at the same time, the air pump 21 is evacuated, and the gas in the airbag connected to the air release hole 323 and the inner cavity of the arm fixing tube 22 is discharged through the gas pipeline 411. After entering the air cylinder 41, the impeller blades 422 and the rotating shaft 42 are pushed to rotate, and then the air is extracted from the exhaust channel 412 by the air pump 21. The rotating shaft 42 drives the turntable 421 and the transmission shaft 43 to rotate. The transmission shaft 43 rotates to the top of the driven shaft 51 and then enters the straight groove 512. After entering the arc groove 511, it drives the driven shaft 51 and the worm 52 to rotate slightly and then slide out from the bottom. At this time, the transmission shaft 43 rotates so that the other straight groove 512 and the arc groove 511 set in the opposite direction are in the position where the transmission shaft 43 will rotate next, waiting for the next transmission, and the worm 52 rotates slightly to drive the half-tooth turbine 53 to rotate slightly, thereby driving the connecting rod 531 and the finger support plate 54 to rotate slightly, that is, driving the patient's fingers to rotate slightly. At the same time, the rotation of the half-tooth turbine 53 drives the driven screw rod 61 to rotate, and the rotation of the driven screw rod 61 drives the threaded slider 63 to move along the direction of the guide rod 62, and the movement of the slider 63 drives the transmission rod 321 to move upward along the arc-shaped slide groove 222, and the movement of the transmission rod 321 drives the change ring plate 32 to rotate on the slide ring plate 31, so that the positions of the air inlet holes 322 and the air discharge holes 323 of the change ring plate 32 are staggered, and the arm fixing airbag 221 from which the gas is extracted is inflated to maintain the fixation of the patient's arm. The alternately inflated and deflated arm fixing airbag 221 can avoid long-term compression of the same part of the patient's arm, avoid local skin and tissue damage, and avoid the possibility of forming pressure sores; The arm fixing airbag 221 is evacuated to maintain the driving ability of the impeller transmission assembly 4. As the transmission shaft 43 continues to rotate, the transmission shaft 43 enters the straight groove 512 from above the driven shaft 51 again, and after entering the symmetrically arranged arc groove 511, it drives the driven shaft 51 and the worm 52 to rotate slightly in the opposite direction, and then slides out from the bottom. At this time, the transmission shaft 43 is reset to the initial state, waiting for the next cycle, and the worm 52 rotates slightly in the opposite direction to drive the half-tooth turbine 53 to rotate slightly in the opposite direction, thereby driving the connecting rod 531 and the finger support plate 54 to rotate slightly in the opposite direction and reset, that is, driving the patient's fingers to move slightly. Through the reciprocating slight movement, the paralysis caused by the long-term inability to move the patient's fingers and the ischemia caused by poor blood circulation are avoided.

[0039] Embodiment 2: This embodiment is based on the above embodiment, please refer to Figure 3 and Figure 7 The difference is that, in this embodiment, a heating wire 3311 is fixedly provided on the inner circumferential wall of the elastic pipe 331, and the gas pipe 411 is fixedly connected to the inner top wall of the hand fixing shell 23 and the bottom end of the finger support plate 54 in a circular shape; after starting the air pump 21, an air flow is blown out from the air outlet of the air pump 21, and the air flow is first heated by the heating wire 3311, and then the air flow passes through the elastic pipe 331, the annular airway 33, and the air inlet pipe 324, and then enters the arm fixing air bag 221 from the air inlet hole 322, and the heated air flow helps warm the patient's arm, and then, the air pump 21 is evacuated at the air outlet, and the gas in the air bag connected to the air release hole 323 and the inner cavity of the arm fixing tube 22 enters the air tube 41 through the gas pipe 411. The gas pipe 411 is arranged in a circular shape, which can prolong the contact time between the pipe and the hand fixing shell 23 and the finger support plate 54, thereby warming the patient's hand for a long time, and the warm air flow can increase the patient's comfort.

[0040] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A hand fixing device for infusion care of psychiatric patients, comprising a seat (1), wherein armrests (11) are symmetrically fixed on the seat plate of the seat (1), and the device is characterized in that: A support shell (2) is fixedly provided on the top of the armrest plate (11), an air pump (21) is fixedly provided on the bottom wall of the inner cavity of the support shell (2), an arm fixing cylinder (22) is fixedly provided on the top of the support shell (2), an arm fixing airbag (221) is fixedly provided in a circumferential array on the inner circumferential wall of the arm fixing cylinder (22), an inflatable fixing component (3) is fixedly provided in the inner cavity of the arm fixing cylinder (22), an inlet end of the inflatable fixing component (3) is communicated with an outlet of the air pump (21), and an outlet end of the inflatable fixing component (3) is communicated with the arm fixing airbag (221), a hand fixing shell (23) is fixedly provided on the side wall of the support shell (2), and the arm fixing cylinder (22) and the hand fixing shell (23) are connected to each other. 3) An arc-shaped slide groove (222) cooperating with the inflation fixing component (3) is penetrated on the side wall, an impeller transmission component (4) is fixedly arranged in the inner cavity of the hand fixing shell (23), the inlet end of the impeller transmission component (4) is fixedly connected to the inner cavity of the arm fixing cylinder (22) in a through-type manner, the outlet end of the impeller transmission component (4) is fixedly connected to the air suction port of the air pump (21) in a through-type manner, a finger intermittent movable component (5) is arranged on the top wall of the hand fixing shell (23), the finger intermittent movable component (5) is in transmission cooperation with the impeller transmission component (4), and a pipeline rotating component (6) is fixedly connected to the inner wall of the hand fixing shell (23), the pipeline rotating component (6) is in transmission cooperation with the finger intermittent movable component (5); The inflatable fixing assembly (3) comprises a slide ring plate (31), a lane changing ring plate (32) and an annular air channel (33); the slide ring plate (31) is symmetrically fixed on the inner wall of the arm fixing cylinder (22); the lane changing ring plate (32) is rotatably connected to the circumferential wall of the slide ring plate (31); a transmission rod (321) is fixedly connected to the side wall of the lane changing ring plate (32) close to the hand fixing shell (23); the transmission rod (321) passes through the arc-shaped slide groove (222) and extends into the inner cavity of the hand fixing shell (23); the transmission rod (321) is movably connected to the pipeline rotating assembly (6), the circumferential wall of the lane-changing ring plate (32) is provided with intake holes (322) and exhaust holes (323) in a staggered circumferential array, the intake holes (322) are fixedly provided with an intake pipeline (324), the annular air channel (33) is fixedly connected to the inlet end of the intake pipeline (324) in a through-type manner, the circumferential wall of the annular air channel (33) is fixedly provided with an elastic pipeline (331), and the inlet end of the elastic pipeline (331) is fixedly connected to the outlet end of the air pump (21); The impeller transmission assembly (4) comprises a wind tube (41), a rotating shaft (42) and a transmission shaft (43); one end of the wind tube (41) is fixedly connected to the inner wall of the hand fixing shell (23); a gas pipeline (411) and an air extraction channel (412) are fixedly connected to the circumferential wall of the wind tube (41); an inlet end of the gas pipeline (411) is in communication with the inner cavity of the arm fixing tube (22); an outlet end of the air extraction channel (412) is in fixed communication with the air extraction port of the air pump (21); the rotating shaft (42) is coaxially rotatably connected to the inner wall of the wind tube (41); one end of the rotating shaft (42) penetrates the inner wall of the wind tube (41) and is fixedly provided with a rotating disk (421); impeller blades (422) are provided in a circumferential array on the circumferential wall of the rotating shaft (42); and the transmission shaft (43) is fixedly connected to the circumferential wall of the rotating disk (421); The intermittent finger motion assembly (5) comprises a driven shaft (51), a worm (52), a half-tooth turbine (53) and a finger support plate (54); the bottom end of the driven shaft (51) is rotatably connected to the inner bottom wall of the hand fixed housing (23); the circumferential wall of the driven shaft (51) is symmetrically provided with arc grooves (511); both ends of the arc groove (511) are connected through straight grooves (512); the worm (52) is fixedly arranged on the top end of the driven shaft (51); the half-tooth turbine (53) is rotatably connected to the inner wall of the hand fixed housing (23); the half-tooth turbine (53) meshes with the worm (52); a connecting rod (531) is fixedly connected to the circumferential wall of the half-tooth turbine (53); the bottom end of the finger support plate (54) is fixedly connected to the top end of the connecting rod (531); and a finger fixing ring plate (541) is fixedly arranged on the top end of the finger support plate (54).

2. A hand fixing device for infusion care of psychiatric patients according to claim 1, characterized in that: The pipeline rotating assembly (6) comprises a driven screw (61), a guide rod (62) and a slider (63); the driven screw (61) is coaxially fixedly connected to the side wall of the half-tooth turbine (53); the slider (63) is threadedly connected to the driven screw (61); a slide rail (631) is fixedly provided at the top end of the slider (63); the slide rail (631) is movably connected to the transmission rod (321); one end of the guide rod (62) is fixedly connected to the inner wall of the hand fixing housing (23); the other end of the guide rod (62) passes through the slider (63) and is slidably connected to the slider (63).

3. A hand fixing device for infusion care of psychiatric patients according to claim 1, characterized in that: A heating wire (3311) is fixedly arranged on the inner circumferential wall of the elastic pipe (331), and the gas pipe (411) is fixedly connected to the inner top wall of the hand fixing shell (23) and the bottom end of the finger support plate (54) in a circular shape.

Images