Special chair for hemodialysis
By designing a special hemodialysis chair and collaborating with various equipment, the lack of special seats in medical dialysis has been solved, and the comfort and safety of the dialysis process has been improved, meeting the needs of long-term dialysis.
Patent Information
- Application Number
- CN202411511022.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-01-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the medical dialysis process, the lack of special seats causes patients to undergo dialysis on ordinary seats or hospital beds, which can easily lead to physical discomfort and stiffness, and it is difficult to meet the needs of long-term dialysis.
A special hemodialysis chair was designed, using a collaborative cooperation of various equipment, including articulated seats, fistula restraint devices, arcuate limit rods, electric massage parts and ultraviolet disinfection lamps, and the multi-angle seats are realized through the control device. Adjustment and arm support for improved comfort and safety of the dialysis process.
Provide medical staff with a convenient dialysis environment, improve patients' safety guarantees, reduce discomfort during dialysis, and meet the needs of long-term dialysis through collaborative cooperation between multiple devices.
Smart Images
Figure CN119318573A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of medical equipment, and in particular to a special chair for hemodialysis. Background Art
[0002] At present, there is no special chair for dialysis in medical dialysis. Dialysis patients usually sit on ordinary beds or ordinary chairs for dialysis. One dialysis usually takes about 4 hours. Depending on the condition, dialysis may be required three times a week or more. During the dialysis process, patients cannot move at will, especially for arms with internal paralysis, which need to maintain a certain posture, which can easily lead to various discomforts such as body stiffness.
[0003] Therefore, in order to meet actual needs, a special chair for hemodialysis is now provided. Summary of the invention
[0004] The present application provides a special hemodialysis chair, which realizes the use requirements in dialysis work through the collaborative cooperation between various devices, provides convenience for the dialysis work of medical staff, and improves the safety of patients.
[0005] The present application provides a special hemodialysis chair, which comprises: A seat body, the seat body comprising: Seat pan; A seat bracket disposed at the bottom of the seat plate; A seat back hingedly arranged on one side of the top surface of the seat seat plate; A seat foot support hingedly arranged on one side of the bottom surface of the seat seat plate; a pair of seat armrests disposed on both sides of the top surface of the seat plate; The seat pan and the seat foot support are located on one set of symmetrical sides of the seat pan, and a pair of seat armrests are located on another set of symmetrical sides of the seat pan; The chair armrest is provided with an internal fistula restraint device, and the internal fistula restraint device comprises: Constrain the bottom plate; An internal fistula constraint frame is slidably arranged on the constraint bottom plate, and the internal fistula constraint frame includes two vertical rods and a horizontal rod; The sliding direction of the internal fistula constraint frame is consistent with the length direction of the constraint base plate, and the vertical rods are respectively slidably arranged on a group of symmetrical sides of the constraint base plate; The bottom surface of the crossbar is provided with a fistula image acquisition camera; The two sides of the two vertical poles opposite to each other are rotatably provided with arc-shaped limit rods, the arc-shaped limit rods are pivoted with the hinge point with the vertical poles as the fulcrum, and are rotated toward the top surface of the constraint bottom plate or toward the vertical poles, the arc top of the arc-shaped limit rods faces the corresponding vertical poles, and the arc top of the arc-shaped limit rods is away from the top surface of the constraint bottom plate; The arc-shaped limit rods on the two vertical rods are arranged alternately so that the two do not touch each other when rotating; A control device is provided in the seat support; The seat armrest is provided with a control panel, and the control panel is connected with the control device by signal.
[0006] On the basis of the above technical solution, the seat back is hingedly arranged on one side of the top surface of the seat plate through a first rotating shaft; The seat foot support is hingedly arranged on one side of the bottom surface of the seat plate through a second rotating shaft; The first rotating shaft is drivingly connected to the backrest driving motor; The second rotating shaft is drivingly connected to the foot support driving motor; The backrest drive motor and the foot support drive motor are both arranged in the seat bracket; The control device is connected to the backrest drive motor and the foot support drive motor by signal; The control device controls the backrest drive motor or the foot support drive motor based on the control instruction issued by the control panel, so as to form a corresponding angle between the seat backrest or the seat foot support and the seat seat plate.
[0007] On the basis of the above technical solution, the control device controls the fistula image acquisition camera to acquire images according to a preset photographing frequency to obtain an arm acquisition image; The control device identifies whether there is an internal fistula based on the image captured by the arm. If there is no internal fistula, the control device controls the internal fistula constraint frame to reciprocate on the constraint base plate at a preset image capture moving speed, and continues to control the internal fistula image capture camera to capture images at a preset shooting frequency to obtain an arm capture image; The control device identifies whether there is an internal fistula based on the image captured by the arm, and if there is an internal fistula, controls the internal fistula constraint frame to move on the constraint bottom plate at a preset image capture slow moving speed so that the internal fistula is located directly below the internal fistula image capture camera; When the internal fistula is located directly below the internal fistula image acquisition camera, the control device controls the arc-shaped limiting rod to rotate toward the top surface of the constraint bottom plate.
[0008] On the basis of the above technical solution, the arc-shaped limiting rod comprises: Arc-shaped limiting rod body; A limit rod inflatable component disposed inside the arc-shaped limit rod body; An arc-shaped air bag is arranged on the arc-shaped inner side of the arc-shaped limiting rod body, and the arc-shaped air bag is connected with the limiting rod inflatable component; A plurality of arc-shaped pressure sensors are arranged at intervals on the inner side of the arc-shaped airbag; The limit rod inflation component and each of the arc pressure sensors are connected to the control device by signal; When the arc-shaped limit rod rotates to a first tilt angle, the control device controls the limit rod inflation component to inflate the arc-shaped airbag until the arc pressure monitoring value obtained by the arc pressure sensor reaches a preset arc pressure monitoring value threshold.
[0009] On the basis of the above technical solution, the control device is also used to obtain a power regulation coefficient based on the arc pressure monitoring value and a preset arc pressure ratio value, and adjust the inflation power of the limit rod inflation component based on the power regulation coefficient and the preset standard inflation power; wherein, The larger the arc pressure monitoring value is, the smaller the power regulation coefficient is, and the corresponding inflation power value is also smaller.
[0010] On the basis of the above technical solution, the control device controls the backrest drive motor or the foot support drive motor based on the control instruction issued by the control panel, so as to make the seat backrest or the seat foot support and the seat seat plate reciprocate at a first adjustment angular velocity within a preset active angle range; The control device is also used to obtain the adjustment coefficient of the adjustment angular velocity based on the rotation duration of the reciprocating rotation and the preset reciprocating rotation reference time, and obtain the first adjustment angular velocity in combination with the preset standard adjustment angular velocity; wherein, The larger the value of the rotation duration is, the larger the value of the angular velocity adjustment coefficient is, and the larger the value of the first adjustment angular velocity is.
[0011] On the basis of the above technical solution, electric massage components are arranged in the seat plate, the seat back and the seat foot support; The control device controls the electric massage components corresponding to the seat plate, the seat back or the seat foot support to operate at a first massage frequency based on the control instructions issued by the control panel; The control device is also used to obtain the massage work adjustment coefficient based on the interval time of issuing the corresponding control instruction and the preset massage work reference time, and obtain the standard massage work frequency in combination with the preset standard massage work frequency; Among them, the longer the interval between issuing the control instructions is, the larger the value of the massage work adjustment coefficient is, and the larger the value of the standard massage work frequency is.
[0012] On the basis of the above technical solution, the seat plate, the seat back and the seat foot support all include: Panel frame; A panel body rotatably disposed on the panel frame via a panel electric rotating shaft; A soft pad structure and a hard pad structure respectively arranged on the front and back sides of the panel body; The electric rotating shafts of the seat plate, the seat back and the seat foot support are connected to the control device by signals; The control device controls the rotation of the corresponding electric rotating shaft of the panel based on the control instructions issued by the control panel.
[0013] On the basis of the above technical solution, the hemodialysis chair further includes: Ultraviolet disinfection lamps are vertically arranged at both ends of the constraint bottom plate in the length direction, and the disinfection area of the ultraviolet disinfection lamps is located on the constraint bottom plate; The control device is signal-connected to the ultraviolet disinfection lamp.
[0014] On the basis of the above technical solution, a seat footrest is provided on the bottom side wall of the seat foot support; The seat footrest and the seat foot support are perpendicular to each other, and the height of the seat footrest is greater than the thickness of the seat foot support; The side of the seat footrest facing the seat foot support, the part of which is higher than the seat foot support, is provided with a pair of footrest electric telescopic rods, and the free end of each footrest electric telescopic rod is provided with a footrest plate; The pedal electric telescopic rod is connected with the control device by signal.
[0015] The beneficial effects of the technical solution provided by this application include: This application realizes the use requirements of dialysis work through the collaborative cooperation of various devices, provides convenience for the dialysis work of medical staff, and improves the safety of patients.
[0016] It should be understood that both the foregoing general description and the following specific embodiments are for the purpose of example and illustration and do not necessarily limit the present application. The accompanying drawings, which are incorporated into and constitute a part of the specification, illustrate the subject matter of the present application. At the same time, the specification and the drawings are used to explain the principles of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 This is a schematic diagram of the structure of a hemodialysis chair provided in an embodiment of the present application; Figure 2 A schematic diagram of the assembly structure of the seat plate, the seat back and the seat foot support and the electric massage components of the hemodialysis chair provided in the embodiment of the present application; Figure 3 This is a schematic diagram of the assembly structure corresponding to the seat plate, seat back and seat foot support of the hemodialysis chair provided in the embodiment of the present application; Figure 4 A side view of the assembly structure corresponding to the seat plate, seat back and seat foot support of the hemodialysis chair provided in the embodiment of the present application; Figure 5 This is a schematic diagram of the structure of the fistula restraint device in the hemodialysis chair provided in the embodiment of the present application; Figure 6 This is a schematic diagram of the structure of the fistula restraint frame in the hemodialysis chair provided in an embodiment of the present application; Figure 7 This is a schematic diagram of the structure of the arc-shaped limit rod in the hemodialysis chair provided in the embodiment of the present application; Figure 8 This is a schematic diagram of the structure of the footrest of the hemodialysis chair provided in the embodiment of the present application; In the figure: 1. Seat body; 10. Seat seat plate; 11. Seat bracket; 12. Seat backrest; 120. First rotating shaft; 121. Backrest drive motor; 13. Seat foot support; 130. Second rotating shaft; 131. Foot support drive motor; 14. Seat armrest; 15. Internal fistula restraint device; 150. Restraint bottom plate; 151. Internal fistula restraint frame; 152. Vertical pole; 153. Cross bar; 154. Internal fistula image acquisition camera; 155. Arc limit rod ; 1550, arc-shaped limit rod body; 1551, limit rod inflatable component; 1552, arc-shaped inflatable bag; 1553, arc-shaped pressure sensor; 156, ultraviolet disinfection lamp; 16, control device; 160, control panel; 17, electric massage component; 18, seat footrest; 180, footrest electric telescopic rod; 181, footrest board; A, panel frame; B, panel electric shaft; C, panel body; D, soft cushion structure; E, hard cushion structure. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0020] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.
[0021] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.
[0022] The embodiment of the present application provides a special hemodialysis chair, which realizes the use requirements in dialysis work through the collaborative cooperation between various devices, provides convenience for the dialysis work of medical staff, and improves the safety of patients.
[0023] In order to achieve the above technical effects, the overall idea of this application is as follows: A special chair for hemodialysis, comprising: The seat body 1 comprises: Seat plate 10; A seat bracket 11 disposed at the bottom of the seat seat 10; A seat back 12 hingedly arranged on one side of the top surface of the seat seat plate 10; A seat foot support 13 hingedly arranged on one side of the bottom surface of the seat plate 10; a pair of seat armrests 14 disposed on both sides of the top surface of the seat plate 10; The seat plate 10 and the seat foot support 13 are located on one set of symmetrical sides of the seat plate 10, and a pair of seat armrests 14 are located on another set of symmetrical sides of the seat plate 10; The chair armrest 14 is provided with an internal fistula restraint device 15, and the internal fistula restraint device 15 comprises: Constraint bottom plate 150; An internal fistula restraint frame 151 is slidably disposed on the restraint base plate 150, and the internal fistula restraint frame 151 includes two vertical rods 152 and a horizontal rod 153; The sliding direction of the fistula constraint frame 151 is consistent with the length direction of the constraint base plate 150, and the vertical rods 152 are respectively slidably arranged on a group of symmetrical sides of the constraint base plate 150; The bottom surface of the crossbar 153 is provided with a fistula image acquisition camera 154; The two sides of the two vertical rods 152 opposite to each other are rotatably provided with arc-shaped limit rods 155, and the arc-shaped limit rods 155 are rotated toward the top surface of the constraint bottom plate 150 or toward the vertical rods 152 with the hinge point with the vertical rods 152 as the fulcrum, and the arc top of the arc-shaped limit rods 155 faces the corresponding vertical rods 152, and the arc top of the arc-shaped limit rods 155 is away from the top surface of the constraint bottom plate 150; The arc-shaped limiting rods 155 on the two vertical rods 152 are arranged alternately so that the two do not touch each other when rotating; The seat support 11 is provided with a control device 16; A control panel 160 is disposed on the seat armrest 14 , and the control panel 160 is connected to the control device 16 by signals.
[0024] The embodiments of the present application are further described in detail below in conjunction with the accompanying drawings.
[0025] See also Figures 1 to 8 As shown, an embodiment of the present application provides a hemodialysis chair, which includes: The seat body 1 comprises: Seat plate 10; A seat bracket 11 disposed at the bottom of the seat seat 10; A seat back 12 hingedly arranged on one side of the top surface of the seat seat plate 10; A seat foot support 13 hingedly arranged on one side of the bottom surface of the seat plate 10; a pair of seat armrests 14 disposed on both sides of the top surface of the seat plate 10; The seat plate 10 and the seat foot support 13 are located on one set of symmetrical sides of the seat plate 10, and a pair of seat armrests 14 are located on another set of symmetrical sides of the seat plate 10; The chair armrest 14 is provided with an internal fistula restraint device 15, and the internal fistula restraint device 15 comprises: Constraint bottom plate 150; An internal fistula restraint frame 151 is slidably disposed on the restraint base plate 150, and the internal fistula restraint frame 151 includes two vertical rods 152 and a horizontal rod 153; The sliding direction of the fistula constraint frame 151 is consistent with the length direction of the constraint base plate 150, and the vertical rods 152 are respectively slidably arranged on a group of symmetrical sides of the constraint base plate 150; The bottom surface of the crossbar 153 is provided with a fistula image acquisition camera 154; The two sides of the two vertical rods 152 opposite to each other are rotatably provided with arc-shaped limit rods 155, and the arc-shaped limit rods 155 are rotated toward the top surface of the constraint bottom plate 150 or toward the vertical rods 152 with the hinge point with the vertical rods 152 as the fulcrum, and the arc top of the arc-shaped limit rods 155 faces the corresponding vertical rods 152, and the arc top of the arc-shaped limit rods 155 is away from the top surface of the constraint bottom plate 150; The arc-shaped limiting rods 155 on the two vertical rods 152 are arranged alternately so that the two do not touch each other when rotating; The seat support 11 is provided with a control device 16; A control panel 160 is disposed on the seat armrest 14 , and the control panel 160 is connected to the control device 16 by signals.
[0026] The technical solution of the embodiment of the present application realizes the usage requirements in dialysis work through the collaborative cooperation between various devices, provides convenience for the dialysis work of medical staff, and improves the safety of patients.
[0027] Further, the seat back 12 is hingedly arranged on one side of the top surface of the seat seat 10 through a first rotating shaft 120; The seat foot support 13 is hingedly arranged on one side of the bottom surface of the seat plate 10 through a second rotating shaft 130; The first rotating shaft 120 is drivingly connected to the backrest driving motor 121; The second rotating shaft 130 is transmission-connected to the foot support driving motor 131; The backrest drive motor 121 and the foot support drive motor 131 are both disposed in the seat support 11; The control device 16 is signal-connected to the backrest drive motor 121 and the foot support drive motor 131; The control device 16 controls the backrest drive motor 121 or the foot support drive motor 131 based on the control command issued by the control panel 160 to form a corresponding angle between the seat back 12 or the seat foot support 13 and the seat seat plate 10 .
[0028] Furthermore, the control device 16 controls the fistula image acquisition camera 154 to acquire images according to a preset photographing frequency to obtain an arm acquisition image; The control device 16 identifies whether there is an internal fistula based on the captured image of the arm. If there is no internal fistula, the control device 16 controls the internal fistula constraint frame 151 to reciprocate on the constraint base plate 150 at a preset image capture moving speed, and continues to control the internal fistula image capture camera 154 to capture images at a preset shooting frequency to obtain an arm captured image. The control device 16 identifies whether there is an internal fistula based on the image collected by the arm. If there is an internal fistula, the control device 16 controls the internal fistula constraint frame 151 to move on the constraint bottom plate 150 at a preset image acquisition slow moving speed so that the internal fistula is located directly below the internal fistula image acquisition camera 154; When the internal fistula is located directly below the internal fistula image acquisition camera 154 , the control device 16 controls the arc-shaped limiting rod 155 to rotate toward the top surface of the constraint base plate 150 .
[0029] Furthermore, the arc-shaped limiting rod 155 includes: Arc-shaped limiting rod body 1550; A limiting rod inflatable component 1551 disposed inside the arc-shaped limiting rod body 1550; An arc-shaped air bag 1552 is arranged on the arc-shaped inner side of the arc-shaped limiting rod body 1550, and the arc-shaped air bag 1552 is connected to the limiting rod inflatable component 1551; A plurality of arc-shaped pressure sensors 1553 are arranged at intervals inside the arc-shaped inflatable bag 1552; The limit rod inflation component 1551 and each of the arc pressure sensors 1553 are connected to the control device 16 by signal; When the arc-shaped limit rod 155 rotates to a first tilt angle, the control device 16 controls the limit rod inflation component 1551 to inflate the arc-shaped inflation bag 1552 until the arc pressure monitoring value obtained by the arc pressure sensor 1553 reaches a preset arc pressure monitoring value threshold.
[0030] Furthermore, the control device 16 is also used to obtain a power control coefficient based on the arc pressure monitoring value and a preset arc pressure ratio value, and adjust the inflation power of the limit rod inflation component 1551 based on the power control coefficient and the preset standard inflation power; wherein, The larger the arc pressure monitoring value is, the smaller the power regulation coefficient is, and the corresponding inflation power value is also smaller.
[0031] Through the above technical means, the volume of the arc-shaped inflatable bag 1552 can be appropriately adjusted so that it can be in close contact with the patient's arm without causing excessive pressure.
[0032] Further, the control device 16 controls the backrest drive motor 121 or the foot support drive motor 131 based on the control instruction issued by the control panel 160, so as to correspondingly make the seat back 12 or the seat foot support 13 and the seat seat plate 10 reciprocate at a first adjustment angular velocity within a preset active angle range; The control device 16 is also used to obtain the adjustment coefficient of the adjustment angular velocity based on the reciprocating rotation duration and the preset reciprocating rotation reference time, and obtain the first adjustment angular velocity in combination with the preset standard adjustment angular velocity; wherein, The larger the value of the rotation duration is, the larger the value of the angular velocity adjustment coefficient is, and the larger the value of the first adjustment angular velocity is.
[0033] Furthermore, the seat plate 10, the seat back 12 and the seat foot support 13 are provided with an electric massage component 17; The control device 16 controls the electric massage component 17 corresponding to the seat plate 10, the seat back 12 or the seat foot support 13 to operate at a first massage frequency based on the control instruction issued by the control panel 160; The control device 16 is also used to obtain the massage work adjustment coefficient based on the corresponding interval time of the control instruction and the preset massage work reference time, and obtain the standard massage work frequency in combination with the preset standard massage work frequency; Among them, the longer the interval between issuing the control instructions is, the larger the value of the massage work adjustment coefficient is, and the larger the value of the standard massage work frequency is.
[0034] Furthermore, the seat plate 10, the seat back 12 and the seat foot support 13 all include: Panel frame A; A panel body C rotatably arranged on the panel frame A via a panel electric rotating shaft B; A soft pad structure D and a hard pad structure E are respectively arranged on the front and back sides of the panel body C; The electric rotating shaft B of the seat plate 10, the seat back 12 and the seat foot support 13 is connected to the control device 16 by signals; The control device 16 controls the corresponding electric rotating shaft B of the plate to rotate based on the control instructions issued by the control panel 160.
[0035] It should be noted that, in a specific implementation, multiple electric massage components 17 may be provided on both the front and back sides of the seat plate 10 , the seat back 12 , and the seat foot support 13 ; That is, the soft cushion structure D and the hard cushion structure E of the seat seat 10 , the seat back 12 and the seat foot support 13 may be provided with a plurality of electric massage components 17 .
[0036] Furthermore, the hemodialysis dedicated chair also includes: Ultraviolet disinfection lamps 156 are vertically arranged at both ends of the constraint bottom plate 150 in the length direction, and the disinfection area of the ultraviolet disinfection lamps 156 is located on the constraint bottom plate 150; The control device 16 is connected to the ultraviolet disinfection lamp 156 by signals.
[0037] Furthermore, a seat footrest 18 is provided on the bottom side wall of the seat foot support 13; The seat footrest 18 and the seat foot support 13 are perpendicular to each other, and the height of the seat footrest 18 is greater than the thickness of the seat foot support 13; The side of the seat footrest 18 facing the seat foot support 13, and the part thereof higher than the seat foot support 13 is provided with a pair of footrest electric telescopic rods 180, and the free end of each footrest electric telescopic rod 180 is provided with a footrest plate 181; The pedal electric telescopic rod 180 is connected to the control device 16 by signal.
[0038] In addition, in actual use, storage boxes can be reasonably arranged on the seat seat 10, the seat bracket 11, the seat back 12, the seat foot support 13 or the seat armrest 14 to meet various storage needs.
[0039] It should be noted that, in this application, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
[0040] The above is only a specific implementation of the present application, so that those skilled in the art can understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features applied for herein.
Claims
1. A special chair for hemodialysis, characterized in that: The hemodialysis dedicated chair comprises: A seat body (1), wherein the seat body (1) comprises: Seat pan (10); A seat bracket (11) arranged at the bottom of the seat seat plate (10); A seat back (12) hingedly arranged on one side of the top surface of the seat seat plate (10); A seat foot support (13) hingedly arranged on one side of the bottom surface of the seat seat plate (10); A pair of seat armrests (14) arranged on both sides of the top surface of the seat plate (10); The seat plate (10) and the seat foot support (13) are located on a set of symmetrical sides of the seat plate (10), and a pair of seat armrests (14) are located on another set of symmetrical sides of the seat plate (10); The chair armrest (14) is provided with an internal fistula restraint device (15), and the internal fistula restraint device (15) comprises: Constrain bottom plate (150); an endocrine fistula restraint frame (151) slidably disposed on the restraint base plate (150), the endocrine fistula restraint frame (151) comprising two vertical poles (152) and a horizontal pole (153); The sliding direction of the internal fistula constraint frame (151) is consistent with the length direction of the constraint base plate (150), and the vertical rods (152) are respectively slidably arranged on a group of symmetrical sides of the constraint base plate (150); The bottom surface of the crossbar (153) is provided with a fistula image acquisition camera (154); An arc-shaped limiting rod (155) is rotatably provided on opposite sides of the two vertical rods (152); the arc-shaped limiting rod (155) uses a hinge point with the vertical rod (152) as a fulcrum to rotate toward the top surface of the constraint bottom plate (150) or toward the vertical rod (152); the arc top of the arc-shaped limiting rod (155) faces the corresponding vertical rod (152), and the arc top of the arc-shaped limiting rod (155) is away from the top surface of the constraint bottom plate (150); The arc-shaped limiting rods (155) on the two vertical rods (152) are arranged in a staggered manner so that the two do not touch each other when rotating; A control device (16) is provided in the seat support (11); A control panel (160) is provided on the seat armrest (14), and the control panel (160) is signal-connected to the control device (16).
2. The hemodialysis chair according to claim 1, characterized in that: The seat back (12) is hingedly arranged on one side of the top surface of the seat seat plate (10) via a first rotating shaft (120); The seat foot support (13) is hingedly arranged on one side of the bottom surface of the seat seat plate (10) via a second rotating shaft (130); The first rotating shaft (120) is drivingly connected to a backrest driving motor (121); The second rotating shaft (130) is drivingly connected to the foot support driving motor (131); The backrest drive motor (121) and the foot support drive motor (131) are both arranged in the seat bracket (11); The control device (16) is signal-connected to the backrest drive motor (121) and the footrest drive motor (131); The control device (16) controls the backrest drive motor (121) or the foot support drive motor (131) based on the control instruction issued by the control panel (160) so as to form a corresponding angle between the seat backrest (12) or the seat foot support (13) and the seat seat plate (10).
3. The hemodialysis chair according to claim 1, characterized in that: The control device (16) controls the fistula image acquisition camera (154) to acquire images according to a preset photographing frequency to obtain an arm acquisition image; The control device (16) identifies whether an internal fistula exists based on the captured image of the arm, and if an internal fistula does not exist, controls the internal fistula constraint frame (151) to reciprocate on the constraint base plate (150) at a preset image capture moving speed, and continues to control the internal fistula image capture camera (154) to capture images at a preset shooting frequency, thereby obtaining an arm captured image; The control device (16) identifies whether an internal fistula exists based on the image captured by the arm, and if an internal fistula exists, controls the internal fistula constraint frame (151) to move on the constraint base plate (150) at a preset image capture slow moving speed, so that the internal fistula is located directly below the internal fistula image capture camera (154); When the internal fistula is located directly below the internal fistula image acquisition camera (154), the control device (16) controls the arc-shaped limiting rod (155) to rotate toward the top surface of the constraint bottom plate (150).
4. The hemodialysis chair according to claim 1, characterized in that: The arc-shaped limiting rod (155) comprises: Arc-shaped limiting rod body (1550); A limiting rod inflatable component (1551) disposed inside the arc-shaped limiting rod body (1550); an arc-shaped inflatable bag (1552) disposed on the arc-shaped inner side of the arc-shaped limiting rod body (1550), the arc-shaped inflatable bag (1552) being in communication with the limiting rod inflatable component (1551); A plurality of arc-shaped pressure sensors (1553) are arranged at intervals on the inner side of the arc of the arc-shaped inflatable bag (1552); The limit rod inflation component (1551) and each of the arc-shaped pressure sensors (1553) are connected to the control device (16) by signal. When the arc-shaped limit rod (155) rotates to a first tilt angle, the control device (16) controls the limit rod inflation component (1551) to inflate the arc-shaped inflation bag (1552) until the arc pressure monitoring value obtained by the arc pressure sensor (1553) reaches a preset arc pressure monitoring value threshold.
5. The hemodialysis chair according to claim 4, characterized in that: The control device (16) is further used to obtain a power regulation coefficient based on the arc pressure monitoring value and a preset arc pressure ratio value, and to adjust the inflation power of the limit rod inflation component (1551) based on the power regulation coefficient and a preset standard inflation power; wherein: The larger the arc pressure monitoring value is, the smaller the power regulation coefficient is, and the corresponding inflation power value is also smaller.
6. The hemodialysis chair according to claim 2, characterized in that: The control device (16) controls the backrest drive motor (121) or the foot support drive motor (131) based on the control instruction issued by the control panel (160), so as to cause the seat backrest (12) or the seat foot support (13) and the seat seat plate (10) to reciprocate at a first adjustment angular velocity within a preset range of movable angles; The control device (16) is further used to obtain an adjustment coefficient of the adjustment angular velocity based on the rotation duration of the reciprocating rotation and a preset reciprocating rotation reference time, and to obtain the first adjustment angular velocity in combination with a preset standard adjustment angular velocity; wherein: The larger the value of the rotation duration is, the larger the value of the angular velocity adjustment coefficient is, and the larger the value of the first adjustment angular velocity is.
7. The hemodialysis chair according to claim 1, characterized in that: An electric massage component (17) is disposed inside the seat plate (10), the seat back (12) and the seat foot support (13); The control device (16) controls the electric massage component (17) corresponding to the seat plate (10), the seat back (12) or the seat foot support (13) to operate at a first massage frequency based on the control instruction issued by the control panel (160); The control device (16) is also used to obtain a massage work adjustment coefficient based on the corresponding interval time of issuing the control instruction and a preset massage work reference time, and to obtain the standard massage work frequency in combination with a preset standard massage work frequency; Among them, the longer the interval between issuing the control instructions is, the larger the value of the massage work adjustment coefficient is, and the larger the value of the standard massage work frequency is.
8. The hemodialysis chair according to claim 7, characterized in that: The seat seat plate (10), the seat back (12) and the seat foot support (13) all include: Panel frame (A); A panel body (C) rotatably arranged on the panel frame (A) via a panel electric rotating shaft (B); A soft pad structure (D) and a hard pad structure (E) respectively arranged on the front and back sides of the panel body (C); The electric rotating shaft (B) of the seat seat plate (10), the seat back (12) and the seat foot support (13) is connected to the control device (16) by signal; The control device (16) controls the corresponding electric rotating shaft (B) of the plate to rotate based on the control instruction issued by the control panel (160).
9. The hemodialysis chair according to claim 1, characterized in that: The hemodialysis dedicated chair also includes: Ultraviolet disinfection lamps (156) are vertically arranged at both ends of the constraining bottom plate (150) in the length direction, and the disinfection area of the ultraviolet disinfection lamps (156) is located on the constraining bottom plate (150); The control device (16) is signal-connected to the ultraviolet disinfection lamp (156).
10. The hemodialysis chair according to claim 7, characterized in that: A seat footrest (18) is provided on the side wall of the bottom end of the seat foot support (13); The seat footrest (18) and the seat foot support (13) are perpendicular to each other, and the height of the seat footrest (18) is greater than the thickness of the seat foot support (13); A side of the seat footrest (18) facing the seat foot support (13), a portion of which is higher than the seat foot support (13) is provided with a pair of footrest electric telescopic rods (180), and a footrest plate (181) is provided at the free end of each footrest electric telescopic rod (180); The pedal electric telescopic rod (180) is signal-connected to the control device (16).