Arm anti-skid supporting device for blood donation

Abstract

The invention discloses an arm anti-skid supporting device for blood donation, and belongs to the technical field of blood donation arm anti-skid equipment.The arm anti-skid supporting device comprises a front arm lifting device, an upper arm lifting device and an external equipment fixing structure.The front arm lifting device comprises a hand grabbing adjusting structure, an anti-skid limiting structure and a temperature loss warning device; the upper arm lifting device comprises a middle lifting clamp and an automatic contraction clamp, and the external equipment fixing structure comprises an equipment lifting plate, an armrest clamping plate and a lifting angle self-limiting structure. According to the arm anti-skid supporting device for blood donation, it needs to be guaranteed that equipment fixes the arm, blood vessels are prevented from being excessively pressed, the blood flowing speed is reduced, the body of a person with blood collected needs to be monitored, and the probability that accidents occur in the blood donation process of the person is reduced, so that the arm anti-skid supporting device for blood donation is provided; the anti-skid support of the device to the arm is guaranteed, excessive pressing to the vein blood vessel is avoided, the electronic temperature measuring device is adopted to monitor the body temperature condition at any time, and the accident probability is reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of anti-slip devices for blood donation arms, and specifically refers to an anti-slip support device for blood donation. Background Art

[0002] During the blood donation process, the stability and comfort of the arm are key factors affecting blood collection efficiency and the experience of blood donors. Traditional blood donation arm support devices usually have a simple structure and only provide basic support functions. Most existing devices use straps or fixed pillows to fix the arm. Although excessive tightening of the straps can effectively prevent the arm from sliding, it will cause the diameter of the venous blood vessels to decrease and the blood flow rate in the venous blood vessels to decrease. At the same time, there is insufficient supervision of the human body during the blood donation process. If too much blood is drawn, the blood donor will experience symptoms such as hypothermia and organ failure. Summary of the Invention

[0003] In view of the above situation, it is necessary to ensure that the device fixes the arm, avoid excessive pressing of blood vessels resulting in a decrease in blood flow speed, and also monitor the body of the blood donor to reduce the probability of accidents during blood donation. The present invention provides an anti-slip support device for blood donation. Through a dot matrix arrangement, it not only ensures the anti-slip support of the device for the arm, but also avoids excessive pressing on venous blood vessels causing blood flow to slow down. An electronic temperature measurement device is used to monitor the body temperature at any time, reducing the probability of accidents for the blood donor.

[0004] The technical solution adopted by the present invention is as follows: An anti-slip support device for blood donation provided by the present invention includes a forearm lifting device, an upper arm lifting device, and an external device fixing structure. The external device fixing structure is fixed on the handle of the chair. The upper arm lifting device slides on the external device fixing structure. The forearm lifting device is hinged to the upper arm lifting device. The forearm lifting device includes a hand grasping and adjusting structure, an anti-slip limiting structure, and a hypothermia warning device. The anti-slip limiting structure is hinged to the upper arm lifting device. The hand grasping and adjusting structure is engaged and slidably connected to the anti-slip limiting structure. The hypothermia warning device is snap-fitted and installed on the anti-slip limiting structure. The upper arm lifting device includes an intermediate lifting clip and an automatic contraction clip. The intermediate lifting clip is hinged to the anti-slip limiting structure. The automatic contraction clip is engaged and rotatably connected to the intermediate lifting clip, and the intermediate lifting clip is engaged and slidable on the external device fixing structure. The external device fixing structure includes a device lifting plate, an armrest clamping plate, and a self-limiting structure for lifting angle. The device lifting plate is placed on the armrest. The armrest clamping plate is engaged and slidable within the device lifting plate, and the armrest clamping plate closely adheres to the side wall of the armrest. Using the pressure and friction of the armrest clamping plate, the device is fixed on the armrest. The self-limiting structure for lifting angle is fixedly installed on the device lifting plate.

[0005] Furthermore, the hand grasping adjustment structure includes a grasping ball, a spring rope, an adjustment limiting bottom plate, and a tightening limiter. The tightening limiter is engaged and slidably connected to the anti-slip limiting structure. The adjustment limiting bottom plate is fixedly installed on the anti-slip limiting structure. The spring rope is fixedly installed on the tightening limiter. The grasping ball is fixedly installed on the spring rope. The tightening limiter includes a rectangular outer shell, a rectangular inner shell, a triangular prism limiting tooth, and a sliding limiting column. A chute is provided on the adjustment limiting bottom plate. The rectangular outer shell slides along the chute on the adjustment limiting bottom plate, and a spring is provided between the rectangular outer shell and the adjustment limiting bottom plate. The rectangular inner shell is fixedly installed on the rectangular outer shell. The triangular prism limiting tooth is engaged and slidably arranged in the rectangular outer shell, and a spring is provided between the triangular prism limiting tooth and the rectangular outer shell. The sliding limiting column is fixedly arranged on the anti-slip limiting structure, and a triangular prism-shaped protrusion is provided on the anti-slip limiting structure.

[0006] Furthermore, the triangular prism on the sliding limiting column is set as a right triangular prism structure. Similarly, the triangular prism on the triangular prism limiting tooth is also set as a right triangular prism structure. When the rectangular outer shell is pulled, the triangular prism limiting tooth moves horizontally, and the triangular prism on the sliding limiting column disengages from the triangular prism limiting tooth. The anti-slip limiting structure loses the limitation of the triangular prism limiting tooth and releases instantly, clamping the human arm.

[0007] Furthermore, the anti-slip limiting structure includes an arm limiting ring, a limiting groove tube, an arm-attached end arc plate, and a far-arm end arc plate. The arm limiting ring is hinged to the upper arm lifting device. The limiting groove tube is snap-fitted and installed on the arm limiting ring. The arm-attached end arc plate is snap-fitted and slidably installed in the limiting groove tube. The far-arm end arc plate is snap-fitted and slidably installed in the limiting groove tube, and the arm-attached end arc plate and the far-arm end arc plate are fixedly connected by a bracket.

[0008] Furthermore, rubber materials are used between the arm-attached end arc plate and the far-arm end arc plate, and rubber materials are used for the brackets between the arm-attached end arc plate and the far-arm end arc plate. And the limiting groove tube and the far-arm end arc plate are connected by a spring.

[0009] Furthermore, the hypothermia warning device includes a display lamp, a body temperature display meter, and a body temperature detection gun head. The display lamp is fixedly installed on the far-arm end arc plate. The body temperature detection gun head is snap-fitted and slidably installed on the arm-attached end arc plate. The body temperature display meter is fixedly installed on the far-arm end arc plate.

[0010] Further, a temperature sensor, a central controller, a data transmission line, and a battery are provided on the body temperature detection gun head. A power - connected metal sheet is provided inside the display lamp. The display lamp is connected to the body temperature detection gun head through a spring. A sponge soft pad is provided at the top end of the body temperature detection gun head. The function of the soft pad is to prevent inaccurate temperature measurement caused by direct contact between the temperature measurement gun and the human body. After the data measured by the gun head is sent to the central controller, it is converted into a data signal and then transmitted to the body temperature display meter. When the body temperature detection gun head contacts the human body and slides down, the bottom of the body temperature detection gun head contacts the top of the display lamp, and electric energy is transmitted to the display lamp to make the display lamp light up, proving that the device is in full contact and pressing with the human body to ensure the fixation of the arm.

[0011] Further, holes for conveniently observing the display lamp and the body temperature display meter are provided on the adjustment limit bottom plate.

[0012] Further, the lifting - angle self - limiting structure includes an inclined - groove limiting plate, a limiting rack, a pull rod, and a rack chute. The inclined - groove limiting plate is fixedly arranged on the device lifting plate. An inclined groove is provided on the inclined - groove limiting plate. The rack chute is fixedly arranged on the inclined - groove limiting plate. The limiting rack is snap - fitted and slidably installed in the rack chute, and a spring is provided between the limiting rack and the rack chute. The pull rod is fixedly installed on the limiting rack. A support one is provided on the side wall of the middle lifting clamp. The support one slides along the inclined groove in the inclined - groove limiting plate. The support one is in contact with the limiting rack. The upper - arm lifting device slides along the inclined groove on the inclined - groove limiting plate. The support one on the middle lifting clamp slides along the inclined groove on the inclined - groove limiting plate. Each time it passes by the limiting rack, it will cause the limiting rack to slide down. When the position is fixed, the limiting rack plays a limiting role on the upper - arm lifting device to prevent the upper - arm lifting device from slipping. Only when the pull rod slides can the sliding direction of the upper - arm lifting device not be restricted by the limiting rack.

[0013] Further, to ensure the stability of the upper - arm lifting device, inclined - groove limiting plates can be respectively arranged on both sides of the device lifting plate.

[0014] Further, a torsion spring is provided at the snap - fit and rotating point where the middle lifting clamp is connected to the automatic - shrinking clamp. The automatic - shrinking clamp is assembled by multiple groups of brackets in the same direction.

[0015] Further, a chute is provided on the device lifting plate. The chute facilitates the anti - slip limiting structure and the middle lifting clamp to slide along a fixed linear trajectory on the device lifting plate.

[0016] Further, the grasping ball can be replaced with a glove to facilitate holding a mobile phone or other items.

[0017] Further, a telescopic sleeve structure that is snap - fit and rotatably connected is provided on the bottom wall of the middle lifting clamp. The telescopic sleeve structure slides in the card slot on the device lifting plate.

[0018] The beneficial effects of an anti-slip arm support device for blood donation provided by this solution are as follows: (1) Utilize the displacement generated when the spring rope is lifted to change the spatial position between the triangular prism limit teeth and the sliding limit column, so that the arc-shaped plate at the arm-attaching end being pressed is released, and the arc-shaped plate at the arm-attaching end slides along the limit groove tube, realizing the function of the stretching spring rope device to automatically clamp the arm and perform limit pressing on the arm; (2) When the arc-shaped plate at the arm-attaching end clamps the arm, multiple groups of body temperature detection gun heads are added to the surface of the arc-shaped plate at the arm-attaching end. On the one hand, the friction resistance between the device and the human body is increased through the gun heads, and on the other hand, the change of the human body temperature is monitored in real time through the electronic thermometer in the body temperature detection gun head to ensure the personal safety of the blood donor; (3) The first bracket on the middle lifting clamp, when the middle lifting clamp slides, realizes the effect of tilting and raising the upper arm lifting device and fixing it through the contact sliding with the limit rack, so that the arm maintains a fixed posture during blood collection and is not prone to sliding. Description of the Drawings

[0019] Figure 1 Is the front orthographic axonometric view of an anti-slip arm support device for blood donation provided by the present invention; Figure 2 Is the axonometric sectional view of an anti-slip arm support device for blood donation provided by the present invention; Figure 3 Is the exploded view of an anti-slip arm support device for blood donation provided by the present invention; Figure 4 Is the axonometric view of the forearm lifting device; Figure 5 Is the axonometric view of the anti-slip limit structure; Figure 6 Is the exploded view of the tightening limiter in the use state; Figure 7 Is the structural schematic diagram of the anti-slip limit structure; Figure 8 Is the structural schematic diagram of the lifting angle self-limiting structure on the device lifting plate; Figure 9 Is the rear orthographic axonometric view of an anti-slip arm support device for blood donation provided by the present invention.

[0020] Among them, 1. forearm lifting device, 2. upper arm lifting device, 3. external device fixing structure, 4. hand grasping adjustment structure, 5. anti-slip limiting structure, 6. hypothermia warning device, 7. intermediate lifting clamp, 8. automatic retracting clamp, 9. device lifting plate, 10. armrest clamping plate, 11. self-limiting structure for lifting angle, 12. grasping ball, 13. spring rope, 14. adjustment limiting bottom plate, 15. tightening limiter, 16. rectangular outer shell, 17. rectangular inner shell, 18. triangular prism limiting teeth, 19. sliding limiting column, 20. arm limiting ring, 21. limiting groove tube, 22. arc-shaped plate at the arm-attached end, 23. arc-shaped plate at the far arm end, 24. display lamp, 25. body temperature display meter, 26. body temperature detection gun head, 27. inclined groove limiting plate, 28. limiting rack, 29. pull rod, 30. rack chute, 31. support one, 32. sleeve structure.

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0024] Such as Figures 1-9As shown in the figure, an anti-slip support device for the arm used in blood donation provided by the present invention includes a forearm lifting device 1, an upper arm lifting device 2, and an external device fixing structure 3. The external device fixing structure 3 is fixed on the handle of the chair. The upper arm lifting device 2 slides on the external device fixing structure 3. The forearm lifting device 1 is hinged to the upper arm lifting device 2. The forearm lifting device 1 includes a hand grasping adjustment structure 4, an anti-slip limit structure 5, and a hypothermia warning device 6. The anti-slip limit structure 5 is hinged to the upper arm lifting device 2. The hand grasping adjustment structure 4 is engaged and slidably connected to the anti-slip limit structure 5. The hypothermia warning device 6 is snap-fitted and installed on the anti-slip limit structure 5. The upper arm lifting device 2 includes an intermediate lifting clamp 7 and an automatic contraction clamp 8. The intermediate lifting clamp 7 is hinged to the anti-slip limit structure 5. The automatic contraction clamp 8 is engaged and rotatably connected to the intermediate lifting clamp 7. And the intermediate lifting clamp 7 is engaged and slidable on the external device fixing structure 3. The external device fixing structure 3 includes a device lifting plate 9, an arm clamping plate 10, and a self-limiting structure for lifting angle 11. The device lifting plate 9 is placed on the armrest. The arm clamping plate 10 is engaged and slidable within the device lifting plate 9. And the arm clamping plate 10 is closely attached to the side wall of the armrest. By using the pressure and friction of the arm clamping plate 10, the device is fixed on the armrest. The self-limiting structure for lifting angle 11 is fixedly installed on the device lifting plate 9.

[0025] The hand grasping adjustment structure 4 includes a grasping ball 12, a spring rope 13, an adjustment limit bottom plate 14, and a tightening limiter 15. The tightening limiter 15 is engaged and slidably connected to the anti-slip limit structure 5. The adjustment limit bottom plate 14 is fixedly installed on the anti-slip limit structure 5. The spring rope 13 is fixedly installed on the tightening limiter 15. The grasping ball 12 is fixedly installed on the spring rope 13. The tightening limiter 15 includes a rectangular outer shell 16, a rectangular inner shell 17, a triangular prism limit tooth 18, and a sliding limit column 19. The adjustment limit bottom plate 14 is provided with a chute. The rectangular outer shell 16 slides along the chute on the adjustment limit bottom plate 14. And a spring is provided between the rectangular outer shell 16 and the adjustment limit bottom plate 14. The rectangular inner shell 17 is fixedly installed on the rectangular outer shell 16. The triangular prism limit tooth 18 is engaged and slidably arranged in the rectangular outer shell 16. And a spring is provided between the triangular prism limit tooth 18 and the rectangular outer shell 16. The sliding limit column 19 is fixedly arranged on the anti-slip limit structure 5. And the anti-slip limit structure 5 is provided with a protrusion in the shape of a triangular prism.

[0026] The anti-slip limit structure 5 includes an arm limit ring 20, a limit groove tube 21, an arm-attached end arc plate 22, and a far-arm end arc plate 23. The arm limit ring 20 is hinged to the upper arm lifting device 2. The limit groove tube 21 is snap-fitted and installed on the arm limit ring 20. The arm-attached end arc plate 22 is snap-fitted and slidably installed within the limit groove tube 21. The far-arm end arc plate 23 is snap-fitted and slidably installed in the limit groove tube 21. And the arm-attached end arc plate 22 and the far-arm end arc plate 23 are fixedly connected by a bracket.

[0027] The rubber material is used between the arm-attached end arc plate 22 and the far-arm end arc plate 23, and the rubber material is used for the brackets between the arm-attached end arc plate 22 and the far-arm end arc plate 23. And the limit groove tube 21 and the far-arm end arc plate 23 are connected by a spring.

[0028] The hypothermia warning device 6 includes a display lamp 24, a body temperature display meter 25, and a body temperature detection gun head 26. The display lamp 24 is fixedly installed on the far-arm end arc plate 23, the body temperature detection gun head 26 is snap-fitted and slidably installed on the arm-attached end arc plate 22, and the body temperature display meter 25 is fixedly installed on the far-arm end arc plate 23.

[0029] The body temperature detection gun head 26 is provided with a temperature sensor, a central controller, a data transmission line, and a battery. The display lamp 24 is provided with an electric contact metal piece, and the display lamp 24 and the body temperature detection gun head 26 are connected by a spring. The top end of the body temperature detection gun head 26 is provided with a sponge soft pad.

[0030] The adjustment limit bottom plate 14 is provided with holes for conveniently observing the display lamp 24 and the body temperature display meter 25.

[0031] The lifting angle self-limiting structure 11 includes an inclined groove limiting plate 27, a limiting rack 28, a pull rod 29, and a rack chute 30. The inclined groove limiting plate 27 is fixedly arranged on the equipment lifting plate 9. The inclined groove limiting plate 27 is provided with an inclined groove. The rack chute 30 is fixedly arranged on the inclined groove limiting plate 27. The limiting rack 28 is snap-fitted and slidably installed in the rack chute 30, and a spring is arranged between the limiting rack 28 and the rack chute 30. The pull rod 29 is fixedly installed on the limiting rack 28. A bracket one 31 is arranged on the side wall of the middle lifting clamp 7. The bracket one 31 slides along the inclined groove in the inclined groove limiting plate 27. The bracket one 31 on the middle lifting clamp 7 contacts and is connected with the limiting rack 28. The upper arm lifting device 2 slides along the inclined groove on the inclined groove limiting plate 27. The bracket one 31 on the middle lifting clamp 7 slides along the inclined groove on the inclined groove limiting plate 27. Each time it passes through the limiting rack 28, it will cause the limiting rack 28 to slide down. When the position is fixed, the limiting rack 28 plays a limiting role on the upper arm lifting device 2 to prevent the upper arm lifting device 2 from slipping. Only when the pull rod 29 slides can the upper arm lifting device 2 not be restricted in the sliding direction by the limiting rack 28.

[0032] A torsion spring is provided at the snap-fitting and rotating point where the middle lifting clamp 7 is connected to the automatic contraction clamp 8. The automatic contraction clamp 8 is assembled by multiple groups of brackets in the same direction.

[0033] The equipment lifting plate 9 is provided with a chute, which facilitates the anti-slip limiting structure 5 and the middle lifting clamp 7 to slide along a fixed linear track on the equipment lifting plate 9.

[0034] The bottom wall of the middle lifting clamp 7 is provided with a telescopic sleeve structure 32 that is snap-fitted and rotatably connected, and the telescopic sleeve structure 32 slides in the card slot on the equipment lifting plate 9.

[0035] When in specific use, first fix the device on the armrest of the blood collection seat. Pull open the armrest clamping plate 10, place the armrest clamping plate 10 on both sides of the armrest, and place the device lifting plate 9 above the armrest. Under the action of the spring on the armrest clamping plate 10, the device lifting plate 9 is fixed on the armrest; Pass the hand through the spring rope 13, hold the grip ball 12 with the palm, or wear gloves, and stretch the arm forward. The spring rope 13 pulls the rectangular housing 16 to slide along the card slot on the adjustment limit bottom plate 14. Since the sliding limit column 19 is fixedly connected to the arm-attached end arc plate 22, when the rectangular housing 16 displaces, the sliding limit column 19 does not displace, and a spatial dislocation occurs between the triangular prism limit teeth 18 and the sliding limit column 19. The sliding limit column 19 loses the limiting effect of the triangular prism limit teeth 18. Under the elastic action of the spring in the limit groove tube 21, the arm-attached end arc plate 22 rises and approaches the arm; When the arm-attached end arc plate 22 is close to the arm, the body temperature detection gun head 26 presses on the arm, the sponge at the front end of the gun head contacts the arm, and the body temperature gun starts to measure the temperature. The data measured by the gun head is sent to the central controller and then converted into a data signal, and then transmitted to the body temperature display table 25. According to the value displayed on the body temperature display table 25, it is determined whether the body temperature of the person being blood collected has hypothermia due to excessive blood donation; While the body temperature detection gun head 26 presses on the arm, the body temperature detection gun head 26 is pushed by the skin of the arm in the direction of the display lamp 24. There is a battery at the bottom of the body temperature detection gun head 26 and a metal sheet at the top of the display lamp 24. When the two contact, the display lamp 24 lights up, ensuring that the body temperature detection gun head 26 fits the human body, proving that the device is relatively fixed to the arm while also ensuring the accuracy of the measured body temperature; Put the upper arm into the upper arm lifting device 2, and the torsion spring between the automatic contraction clamp 8 and the middle lifting clamp 7 automatically makes the automatic contraction clamp 8 clamp the upper arm; When drawing blood from the joint vein of the arm, the arm is in a slightly curled state, and there is an angle between the upper arm and the forearm to avoid needle slipping. To facilitate the person being blood collected to adjust the arm angle by themselves, the person can move the arm, and the arm slides in the direction of the body. Under the action of the inclined groove on the inclined groove limit plate 27, the middle lifting clamp 7 slides obliquely upward. When the bracket one 31 on the side wall of the middle lifting clamp 7 slides in the inclined groove limit plate 27, it collides with the limit rack 28. Since the inclination angle of the teeth on the limit rack 28 is relatively large, the bracket one 31 can push the limit rack 28 to slide down, ensuring that the middle lifting clamp 7 moves obliquely upward, and the limit rack 28 prevents the middle lifting clamp 7 from sliding down; In order to expand the adjustable inclination range of the middle lifting clamp 7, the bracket one 31 on the middle lifting clamp 7 can be placed in the direction away from the hinge of the middle lifting clamp 7; When it is necessary to restore the position of the middle lifting clamp 7, the pull rod 29 is pulled, and the limit rack 28 no longer contacts the support 31 on the middle lifting clamp 7, and the middle lifting clamp 7 can slide back to the horizontal state.

[0036] It should be noted that in this article, 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 actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0037] The above describes the present invention and its embodiments. This description is not restrictive. What is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. All in all, if those of ordinary skill in the art are inspired by it and, without departing from the spirit of the present invention, design similar structural forms and embodiments to this technical solution without creative efforts, they should all fall within the protection scope of the present invention.

Claims

1. An anti-slip support device for the arm during blood donation, characterized in that: It includes a forearm lifting device (1), an upper arm lifting device (2) and an external device fixing structure (3). The external device fixing structure (3) is fixed on the armrest of the chair. The upper arm lifting device (2) slides on the external device fixing structure (3), and the forearm lifting device (1) is hinged to the upper arm lifting device (2). The forearm lifting device (1) includes a hand gripping adjustment structure (4), an anti-slip limit structure (5), and a hypothermia warning device (6). The anti-slip limit structure (5) is hinged to the upper arm lifting device (2). The hand gripping adjustment structure (4) is engaged and slidably connected to the anti-slip limit structure (5). The hypothermia warning device (6) is snap-fitted and installed on the anti-slip limit structure (5). The external device fixing structure (3) includes an equipment lifting plate (9), an armrest clamping plate (10), and a self-limiting structure for the lifting angle (11). The equipment lifting plate (9) is placed on the armrest. The armrest clamping plate (10) is engaged and slidable within the equipment lifting plate (9), and the armrest clamping plate (10) is in close contact with the side wall of the armrest. The self-limiting structure for the lifting angle (11) is fixedly installed on the equipment lifting plate (9).

2. The anti-slip arm support device for blood donation according to claim 1, characterized in that: The hand gripping adjustment structure (4) includes a gripping ball (12), a spring rope (13), an adjustment limit bottom plate (14), and a tightening limiter (15). The tightening limiter (15) is engaged and slidably connected to the anti-slip limit structure (5). The adjustment limit bottom plate (14) is fixedly installed on the anti-slip limit structure (5). The spring rope (13) is fixedly installed on the tightening limiter (15). The gripping ball (12) is fixedly installed on the spring rope (13).

3. The anti-slip arm support device for blood donation according to claim 2, characterized in that: The tightening limiter (15) includes a rectangular outer shell (16), a rectangular inner shell (17), a triangular prism limit tooth (18), and a sliding limit column (19). A chute is provided on the adjustment limit bottom plate (14). The rectangular outer shell (16) slides along the chute on the adjustment limit bottom plate (14). The rectangular inner shell (17) is fixedly installed on the rectangular outer shell (16). The triangular prism limit tooth (18) is engaged and slidably arranged in the rectangular outer shell (16), and a spring is provided between the triangular prism limit tooth (18) and the rectangular outer shell (16). The sliding limit column (19) is fixedly arranged on the anti-slip limit structure (5), and a triangular prism-shaped protrusion is provided on the anti-slip limit structure (5).

4. The anti-slip support device for the arm used in blood donation according to claim 1, characterized in that: The anti-slip limit structure (5) includes an arm limit ring (20), a limit groove tube (21), an arm-end arc plate (22), and a far-arm-end arc plate (23). The arm limit ring (20) is hinged to the upper arm lifting device (2). The limit groove tube (21) is snap-fitted and installed on the arm limit ring (20). The arm-end arc plate (22) is snap-fitted and slidably installed within the limit groove tube (21). The far-arm-end arc plate (23) is snap-fitted and slidably installed in the limit groove tube (21), and the arm-end arc plate (22) and the far-arm-end arc plate (23) are fixedly connected by a bracket.

5. The anti-slip support device for the arm used in blood donation according to claim 4, characterized in that: The hypothermia warning device (6) includes a display lamp (24), a body temperature display meter (25), and a body temperature detection gun head (26). The display lamp (24) is fixedly installed on the arc plate (23) at the far arm end. The body temperature detection gun head (26) is snap-fitted and slidably installed on the arc plate (22) at the arm-attached end. The body temperature display meter (25) is fixedly installed on the arc plate (23) at the far arm end.

6. The anti-slip support device for the arm used in blood donation according to claim 1, wherein: The lifting angle self-limiting structure (11) includes an inclined groove limiting plate (27), a limiting rack (28), a pull rod (29), and a rack chute (30). The inclined groove limiting plate (27) is fixedly arranged on the equipment lifting plate (9). The rack chute (30) is fixedly arranged on the inclined groove limiting plate (27). The limiting rack (28) is snap-fitted and slidably installed in the rack chute (30), and a spring is provided between the limiting rack (28) and the rack chute (30). The pull rod (29) is fixedly installed on the limiting rack (28).

7. The anti-slip arm support device for blood donation according to claim 6, characterized in that: The upper arm lifting device (2) includes an intermediate lifting clamp (7) and an automatic retracting clamp (8). The intermediate lifting clamp (7) is hinged to the anti-slip limiting structure (5). The automatic retracting clamp (8) is snap-fitted and rotatably connected to the intermediate lifting clamp (7). Moreover, the intermediate lifting clamp (7) is snap-fitted and slidable on the external equipment fixing structure (3). A support one (31) is provided on the side wall of the intermediate lifting clamp (7), and the support one (31) is in contact connection with the limiting rack (28).

8. The anti-slip support device for the arm used in blood donation according to claim 7, wherein: A torsion spring is provided at the snap-fitted and rotatable connection point where the intermediate lifting clamp (7) is connected to the automatic retracting clamp (8); a telescopic sleeve structure (32) that is snap-fitted and rotatably connected is provided on the bottom wall of the intermediate lifting clamp (7).

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