Novel nursing device for hemodialysis puncture

Abstract

The invention discloses a novel nursing device for hemodialysis puncture, which belongs to the field of puncture nursing and comprises a supporting base, a supporting component is arranged above the supporting base, and the supporting component comprises a wrist fixing component, a forearm fixing component and a big arm fixing component. Two first sliding parts used for supporting the wrist fixing part and the big arm fixing part are slidably installed on the upper surface of the supporting base, a second sliding part used for supporting the forearm fixing part is slidably installed in the middle of the upper surface of the supporting base, and the wrist fixing part comprises an upper wrist fixing ring and a lower wrist fixing ring which are symmetrically distributed. The forearm fixing component comprises a forearm upper fixing ring and a forearm lower fixing ring which are symmetrically distributed, through the arrangement of the supporting base and the supporting component, the arm of a patient can be flexibly rotated so that a proper needle inserting position can be conveniently found, the device has high flexibility, the hand of the patient can be restrained, and the operation is convenient. The hand of the patient is prevented from being lifted up to affect puncture work, and safety and stability of puncture work are improved.

Description

Technical Field

[0001] The invention relates to the field of puncture care, and more particularly to a novel hemodialysis puncture care device. Background Art

[0002] Hemodialysis puncture is an important step in the hemodialysis treatment process. It involves drawing the patient's blood out of the body through a vascular access, filtering it through a dialyzer and a dialysis membrane, and then returning it to the body. The main purpose of hemodialysis puncture is to establish a blood access so that the patient's blood can be drawn out of the body for purification and then returned to the patient's body; this helps to replace the excretion function of the kidneys, remove excess water and metabolic waste from the body, maintain electrolyte and acid-base balance, and thus relieve uremia symptoms;

[0003] During dialysis, it will last for a long time. In order to prevent the puncture site of the patient from falling off or bending, the patient is required to maintain a posture for a long time. Each dialysis time is about 4-5 hours. Long-term dialysis can easily cause spasms in the patient's hands, which in turn affects the dialysis and makes the patient extremely uncomfortable. Some existing nursing devices are not flexible enough to provide patients with good mobility. They can provide good restraint during puncture and can provide better flexibility after the puncture.

[0004] In view of this, in view of the above-mentioned shortcomings, the present invention produces a novel nursing device for hemodialysis puncture. Summary of the invention

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a new type of hemodialysis puncture care device, so that the device has strong flexibility, provides good mobility for patients, and prevents spasms from occurring.

[0006] To solve the above problems, the present invention adopts the following technical solutions.

[0007] A novel nursing device for hemodialysis puncture comprises a support base, a support component is arranged above the support base, the support component comprises a wrist fixing component, a forearm fixing component, and an upper arm fixing component, two first sliding parts for supporting the wrist fixing component and the upper arm fixing component are slidably mounted on the upper surface of the support base, and a second sliding part for supporting the forearm fixing component is slidably mounted in the middle of the upper surface of the support base;

[0008] The wrist fixing component includes a symmetrically distributed upper wrist fixing ring and a lower wrist fixing ring, the forearm fixing component includes a symmetrically distributed upper forearm fixing ring and a lower forearm fixing ring, the upper arm fixing component includes a symmetrically distributed upper arm fixing ring and a lower forearm fixing ring, the upper wrist fixing ring and the lower wrist fixing ring are combined to fix the patient's wrist, the upper forearm fixing ring and the lower forearm fixing ring are combined to fix the patient's forearm, the upper upper arm fixing ring and the lower upper arm fixing ring are combined to fix the patient's upper arm, the sliding card on the lower wrist fixing ring is provided with a plurality of evenly distributed sliding rods, the sliding rods are fixedly installed on the lower forearm fixing ring, two symmetrically distributed first fixing rods are fixedly installed on the side of the lower forearm fixing ring away from the sliding rod, and two second fixing rods corresponding to the first fixing rods are fixedly installed on the side of the lower forearm fixing ring close to the lower forearm fixing ring, and the second fixing rods are hinged to the first fixing rod.

[0009] Furthermore, a fixing frame is provided on the side of the sub-wrist fixing ring away from the forearm fixing part, a connecting slide rod is provided on the middle movable clamp of the sub-wrist fixing ring, the slide rod is fixedly mounted on the fixing frame, the connecting slide rod is rotatably mounted on the fixing frame, a handle is fixedly mounted on the connecting slide rod, and a threaded rod is provided on the side of the connecting slide rod close to the forearm fixing part.

[0010] Furthermore, a sliding sleeve is provided on the middle sliding card of the lower fixed ring of the forearm, and the threaded rod is clamped in the interior of the sliding sleeve through threaded cooperation, and a rotating plate is rotatably installed in the interior of the sliding sleeve near the threaded rod, a movable plate is provided on the side of the rotating plate away from the threaded rod, and a matching sliding rod is fixedly installed on the side of the movable plate close to the threaded rod, the matching sliding rod is slidably clamped in the interior of the threaded rod, and a first spring is fixedly connected between the movable plate and the rotating plate.

[0011] Furthermore, a mating head is provided on the side of the movable plate away from the rotating plate, a connecting rod is fixedly installed on the side of the mating head away from the movable plate, a convex tooth is integrally formed on the side of the movable plate close to the mating head, and a slot that cooperates with the convex tooth is opened on the side of the mating head close to the movable plate.

[0012] Furthermore, a winding drum is rotatably installed in the middle part of the lower fixed ring of the upper arm, and semicircular grooves are opened inside the upper fixed ring and the lower fixed ring of the upper arm. The two semicircular grooves are combined to form a circular groove, and a tourniquet is provided inside the circular groove. A plurality of rubber ropes for blocking the tourniquet are fixedly installed inside the circular groove, and both ends of the tourniquet are fixedly installed on the winding drum.

[0013] Furthermore, a first ratchet plate is provided on the side of the winding drum close to the lower fixed ring of the forearm, the first ratchet plate is fixedly mounted on the lower fixed ring of the upper arm, a second ratchet plate is provided on the side of the first ratchet plate away from the lower fixed ring of the upper arm, a second spring is rotatably connected between the second ratchet plate and the first ratchet plate, the second ratchet plate is fixedly mounted on the connecting rod, and the end of the connecting rod passes through the first ratchet plate and is slidably clamped in the middle of the winding drum.

[0014] Furthermore, a plurality of needle pressing components for protecting the needle insertion position of the patient are provided between the wrist fixing component and the forearm fixing component, and the needle pressing components include two symmetrical sliding rings, which are fixedly connected by a bracket, and the two sliding rings are slidably mounted on the outer surface of the corresponding sliding rod, one of the sliding rings is fixedly mounted with Velcro, and the other sliding ring is fixedly mounted with a U-shaped ring, the Velcro passes through a soft cloth belt, and the sliding rings are sewn with Velcro.

[0015] Furthermore, a first semicircular plate is fixedly installed on the lower surface of the lower fixing ring of the forearm, a plurality of evenly distributed fixing holes are opened on the first semicircular plate, the first semicircular plate is slidably clamped in the middle part of the second sliding member, a fixing groove is opened in the middle part of the second sliding member, and an L-shaped rod for clamping the fixing hole and the fixing groove is fixedly installed below the end of the sliding sleeve away from the mating head.

[0016] Furthermore, a second semicircular plate is fixedly installed on the lower surface of the wrist fixing ring, and a third semicircular plate is fixedly installed on the lower surface of the upper arm fixing ring. The second semicircular plate and the third semicircular plate are respectively slidably clamped inside the corresponding first sliding member.

[0017] Furthermore, the upper wrist fixing ring and the lower wrist fixing ring are spliced ​​to form an elliptical cylinder, the upper forearm fixing ring and the lower forearm fixing ring are spliced ​​to form another elliptical cylinder, and the upper arm fixing ring and the lower arm fixing ring are spliced ​​to form a circular cylinder.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. By providing a support base and supporting components, the device can flexibly rotate the patient's arm to find a suitable needle insertion position, making the device highly flexible and able to restrain the patient's hand to prevent the patient's hand from lifting and affecting the puncture work, thereby increasing the safety and stability of the puncture work and providing the patient with better flexibility after the puncture.

[0020] 2. The device is provided with a connecting slide rod, and when in use, the state of the supporting component can be changed by rotating the connecting slide rod, so that the forearm fixing component and the upper arm fixing component can be fixed on the support base, that is, the patient's forearm and upper arm are both fixed. At this time, the patient's arm will be fixed, and then it can provide a good restraint effect during puncture. After the puncture is completed, it can provide the patient with a certain degree of mobility, so that the patient's discomfort can be reduced during the dialysis process.

[0021] 3. The device is provided with a supporting component, which is distributed in a manner imitating human bones. The supporting component can be removed from the supporting base by rotating the connecting slide rod, and the removed supporting component can bend synchronously with the bending of the patient's arm, and can also cooperate with the needle pressing component to protect the puncture position. The blood transfusion channel can also be pressed by a soft cloth belt to prevent shaking and falling off, further improving the patient's mobility, so that the patient can change the posture of his hand or perform simple movements with his hand after the puncture, preventing the patient from maintaining a posture for a long time and causing discomfort or spasm.

[0022] 4. This device is provided with a large arm fixing component. When the connecting slide rod is rotated, the tourniquet will be tightened, thereby automatically exerting pressure on the patient's upper arm, making the patient's blood vessels more easily exposed, reducing the blood flow at the puncture site, and making the puncture work more convenient.

[0023] 5. The device is provided with a wrist fixing component, and the wrist fixing component and the needle pressing component can slide along the sliding rod. Not only can the distance between the wrist fixing component and the forearm fixing component be changed to adapt to patients with different forearm lengths, but the needle pressing component can also be flexibly protected according to the puncture position, which is convenient for the medical staff to use rope ladder puncture for real-time protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a structural schematic diagram of a support component from one perspective in the present invention;

[0026] Figure 3 It is a structural schematic diagram of the supporting component in the present invention from another perspective;

[0027] Figure 4 It is a schematic diagram of the structure of the support component when it is bent in the present invention;

[0028] Figure 5 It is a structural schematic diagram of the support base in the present invention;

[0029] Figure 6 is a schematic structural diagram of the wrist fixing component in the present invention;

[0030] Figure 7 It is a schematic structural diagram of the forearm fixing component in the present invention;

[0031] Figure 8 It is a schematic diagram of the cross-section structure of the sliding sleeve in the present invention;

[0032] Fig. 9 It is a structural schematic diagram of the upper arm fixing component in the present invention;

[0033] Fig.10 It is a schematic diagram of the cross-section structure of the upper fixing ring of the upper arm and the lower fixing ring of the upper arm in the present invention.

[0034] Description of the numbers in the figure:

[0035] 1. Support base; 2. Wrist fixing part; 3. Forearm fixing part; 4. Upper arm fixing part; 5. Needle pressing part; 11. First sliding part; 12. Second sliding part; 21. Wrist fixing ring; 22. Lower wrist fixing ring; 23. Sliding rod; 24. Connecting sliding rod; 25. Fixing frame; 31. Upper forearm fixing ring; 32. Lower forearm fixing ring; 33. Sliding sleeve; 34. First fixing rod; 35. First semicircular plate; 36. Matching head; 41. Upper upper arm fixing ring; 42. Lower upper arm fixing ring; 43 , tourniquet; 44, second fixed rod; 45, winding drum; 51, sliding ring; 52, soft cloth belt; 53, Velcro; 121, fixing groove; 221, second semicircular plate; 241, threaded rod; 331, rotating plate; 332, moving plate; 333, matching sliding rod; 334, first spring; 335, L-shaped rod; 351, fixing hole; 361, connecting rod; 411, rubber rope; 421, third semicircular plate; 451, first ratchet plate; 452, second ratchet plate; 453, second spring. DETAILED DESCRIPTION

[0036] 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; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0037] See also Figures 1 to 10A novel nursing device for hemodialysis puncture comprises a support base 1, a support component is arranged above the support base 1, and the support component comprises a wrist fixing component 2, a forearm fixing component 3, and a big arm fixing component 4. Two first sliding members 11 for supporting the wrist fixing component 2 and the big arm fixing component 4 are slidably installed on the upper surface of the support base 1, and a second sliding member 12 for supporting the forearm fixing component 3 is slidably installed in the middle of the upper surface of the support base 1. The wrist fixing component 2 comprises a symmetrically distributed upper wrist fixing ring 21 and a lower wrist fixing ring 22, and the forearm fixing component 3 comprises a symmetrically distributed upper forearm fixing ring 31 and a lower forearm fixing ring 3 2, the upper arm fixing part 4 includes an upper arm fixing ring 41 and an upper arm lower fixing ring 42 which are symmetrically distributed, a first semicircular plate 35 is fixedly installed on the lower surface of the forearm lower fixing ring 32, and the first semicircular plate 35 is slidably clamped in the middle of the second sliding member 12, a second semicircular plate 221 is fixedly installed on the lower surface of the wrist lower fixing ring 22, a third semicircular plate 421 is fixedly installed on the lower surface of the upper arm lower fixing ring 42, and the second semicircular plate 221 and the third semicircular plate 421 are respectively slidably clamped in the corresponding first sliding member 11, and a plurality of needle pressing parts 5 for protecting the patient's needle insertion position are arranged between the wrist fixing part 2 and the forearm fixing part 3.

[0038] When actually in use, first separate the wrist fixing ring 21 and the wrist fixing ring 22, the forearm fixing ring 31 and the forearm fixing ring 32, the upper arm fixing ring 41 and the upper arm fixing ring 42, and then let the patient stretch his arm from the position of the upper arm fixing part 4 to the position of the forearm fixing part 3 and the wrist fixing part 2 with his palm facing up, so that the patient's arm is in the position of the wrist fixing part 2, and the forearm fixing part 3 is located at the position of the patient's forearm near the elbow, and then lock the wrist fixing ring 21 and the wrist fixing ring 22, the patient's wrist will be fixed, and then lock the upper forearm fixing ring 31 and the forearm fixing ring 32 Fix the patient's elbow, and then lock the upper arm fixing ring 41 and the lower arm fixing ring 42 to fix the patient's upper arm. Because the third semicircular plate 421 and the second semicircular plate 221 are slidably clamped in the corresponding first sliding member 11, and the first semicircular plate 35 is slidably clamped in the second sliding member 12, the support base 1 is fixed to the bed or armrest in advance. At this time, the patient's arm can be rotated to find a suitable needle insertion position, so that the device has higher flexibility, which is convenient for restraining the patient's hand, preventing the movement of the patient's hand from affecting the puncture work, and increasing the safety and stability of the puncture work.

[0039] The wrist fixing ring 21 and the wrist fixing ring 22 are combined to fix the patient's wrist, the forearm fixing ring 31 and the forearm fixing ring 32 are combined to fix the patient's forearm, the upper arm fixing ring 41 and the upper arm fixing ring 42 are combined to fix the patient's upper arm, the lower wrist fixing ring 22 is provided with a plurality of evenly distributed sliding rods 23, the sliding rods 23 are fixedly mounted on the lower forearm fixing ring 32, the lower forearm fixing ring 32 is fixedly mounted with two symmetrically distributed first fixing rods 34 on the side away from the sliding rod 23, the lower forearm fixing ring 32 is fixedly mounted with two second fixing rods 44 corresponding to the first fixing rods 34 on the side close to the lower forearm fixing ring 32, the second fixing rod 44 and the first fixing rod 34 are hinged to each other, the wrist fixing ring 21 and the wrist fixing ring 22 are spliced ​​to form an elliptical cylinder, the forearm fixing ring 31 and the forearm fixing ring 32 are spliced ​​to form another elliptical cylinder, the upper arm fixing ring 41 and the upper arm fixing ring 42 are spliced ​​to form a circular cylinder.

[0040] Because the wrist fixing ring 21 and the wrist fixing ring 22 fix the patient's wrist position, the elliptical shape can better fit the patient's wrist, and the forearm fixing ring 31 and the forearm fixing ring 32 are elliptical and can better fit the patient's forearm. Because there are more muscle tissues in the upper arm position, using a round shape can fit better, so that the fixation effect is better. After the patient is punctured, the needle pressing component 5 can be used to protect the patient's puncture position. Then, the second semicircular plate 221 and the third semicircular plate 421 can be taken out from the corresponding first sliding member 11, and the first semicircular plate 35 can be taken out from the inside of the second sliding member 12. At this time, the support component will It is attached to the patient's arm to protect and restrain the patient's arm. At this time, the second fixing rod 44 and the upper arm fixing ring 41 and the lower arm fixing ring 42 can rotate around the first fixing rod 34. The first fixing rod 34 is at the patient's elbow position, and then the upper arm fixing component 4 can rotate synchronously with the patient's arm rotation, so that the device can be removed from the support base 1 after the puncture is completed, and can be changed according to the patient's movements, so that the device has higher flexibility and can provide patients with higher mobility when not in use, and the patient will not maintain a posture for a long time to cause spasms.

[0041] A fixing frame 25 is provided on the side of the wrist fixing ring 22 away from the forearm fixing part 3, a connecting slide rod 24 is provided on the middle movable card of the wrist fixing ring 22, a sliding rod 23 is fixedly installed on the fixing frame 25, the connecting slide rod 24 is rotatably installed on the fixing frame 25, a handle is fixedly installed on the connecting slide rod 24, a threaded rod 241 is provided on the side of the connecting slide rod 24 close to the forearm fixing part 3, a sliding sleeve 33 is provided on the middle sliding card of the forearm fixing ring 32, the threaded rod 241 is clamped in the interior of the sliding sleeve 33 through threaded matching, and a rotating plate is rotatably installed in the interior of the sliding sleeve 33 near the threaded rod 241 331, a movable plate 332 is provided on the side of the rotating plate 331 away from the threaded rod 241, a matching slide rod 333 is fixedly installed on the side of the movable plate 332 close to the threaded rod 241, and the matching slide rod 333 is slidably clamped inside the threaded rod 241, a first spring 334 is fixedly connected between the movable plate 332 and the rotating plate 331, a plurality of evenly distributed fixing holes 351 are provided on the first semicircular plate 35, a fixing groove 121 is provided in the middle of the second sliding member 12, and an L-shaped rod 335 for clamping the fixing hole 351 and the fixing groove 121 is fixedly installed below the end of the sliding sleeve 33 away from the matching head 36.

[0042] During puncture, the second semicircular plate 221 and the third semicircular plate 421 need to be slidably clamped into the interior of the first sliding member 11, and the first semicircular plate 35 needs to be slidably clamped into the interior of the second sliding member 12. At this time, the patient's arm will be driven to a horizontal state, and then the nurse will drive the connecting slide bar 24 to rotate by turning the handle on the connecting slide bar 24, and the connecting slide bar 24 will drive the threaded rod 241 to rotate. When the threaded rod 241 rotates, it will drive the sliding sleeve 33 to move along the thread. When the sliding sleeve 33 moves, it will drive the L-shaped rod 335 to move. When the connecting slide bar 24 rotates to the maximum position, At this time, the L-shaped rod 335 will move into the fixing groove 121 and one of the fixing holes 351, and then fix the fixing hole 351 and the second sliding member 12. At this time, the patient's arm is forced to be horizontal, which is convenient for medical staff to find a suitable puncture point. After the puncture work is completed, the connecting slide rod 24 and the threaded rod 241 can be reversed by reversing the handle, and then the sliding sleeve 33 is driven out of the fixing groove 121 and the fixing hole 351. At this time, the second sliding member 12 loses the restriction on the fixing hole 351, and then the patient can lift the supporting component to move it.

[0043] A mating head 36 is provided on the side of the movable plate 332 away from the rotating plate 331, a connecting rod 361 is fixedly installed on the side of the mating head 36 away from the movable plate 332, a convex tooth is integrally formed on the side of the movable plate 332 close to the mating head 36, a card slot that matches the convex tooth is provided on the side of the mating head 36 close to the movable plate 332, a winding drum 45 is rotatably installed on the middle part of the fixing ring 42 under the upper arm, a semicircular groove is provided inside the fixing ring 41 on the upper arm and the fixing ring 42 under the upper arm, the two semicircular grooves are combined to form a circular groove, a tourniquet 43 is provided inside the circular groove, and a plurality of fixing elements for blocking bleeding are fixedly installed inside the circular groove The rubber rope 411 of the belt 43, both ends of the tourniquet 43 are fixedly mounted on the winding drum 45, a first ratchet plate 451 is provided on the side of the winding drum 45 close to the lower fixing ring 32 of the forearm, the first ratchet plate 451 is fixedly mounted on the lower fixing ring 42 of the upper arm, a second ratchet plate 452 is provided on the side of the first ratchet plate 451 away from the lower fixing ring 42 of the upper arm, a second spring 453 is rotatably connected between the second ratchet plate 452 and the first ratchet plate 451, the second ratchet plate 452 is fixedly mounted on the connecting rod 361, the end of the connecting rod 361 passes through the first ratchet plate 451 and then slides and is clamped in the middle of the winding drum 45.

[0044] When the support device is in a horizontal state, the connecting rod 361 and the sliding sleeve 33 are located on the same horizontal line. When the handle is turned, the sliding sleeve 33 is driven to move, and the sliding sleeve 33 is sleeved on the outside of the connecting rod 361. Because the connecting rod 361 is sleeved, the upper fixing ring 41 of the upper arm and the lower fixing ring 42 of the upper arm cannot rotate, which can play a role in restraining the patient's arm. When the connecting slide rod 24 is rotated, the threaded rod 241 will drive the matching slide rod 333 and the moving plate 332 to rotate, and when the threaded rod 241 rotates, the sliding sleeve 33 will move, and then the sliding sleeve 33 will move and drive the rotating plate 331, the moving plate 332, the matching slide rod 333, and the first spring 334 to move, and the convex teeth on the moving plate 332 will engage with the grooves on the matching head 36. At this time, the threaded rod 241 will drive the matching head 36 to rotate through the rotating plate 331 and the moving plate 332. During the rotation process, the sliding sleeve 33 will The movable plate 332 pushes the matching head 36. When the matching head 36 and the connecting rod 361 are pushed, the second spring 453 is compressed. At this time, the second ratchet plate 452 is meshed with the first ratchet plate 451, so that the connecting rod 361 can only rotate in one direction. When the connecting rod 361 rotates, it will drive the winding drum 45 to rotate. When the winding drum 45 rotates, it will produce a winding effect on the tourniquet 43. At this time, the rubber rope 411 is stretched and deformed, and the tourniquet 43 will be tightened and then compress the patient's upper arm position, which is convenient for medical staff to find the patient's blood vessels. After the puncture is completed, the second ratchet plate 452 can be separated from the first ratchet plate 451 by rotating the handle on the connecting slide rod 24 in the opposite direction. Then, under the elastic deformation of the rubber rope 411 and the elastic force of the tourniquet 43 itself, the compression effect on the patient will be lost, and it will automatically return to its original state, and at the same time, the supporting component can be released so that it can move freely.

[0045] The needle pressing component 5 includes two symmetrical sliding rings 51, which are fixedly connected by a bracket. The two sliding rings 51 are slidably mounted on the outer surface of the corresponding sliding rod 23. A Velcro 53 is fixedly installed on one of the sliding rings 51, and a U-shaped ring is fixedly installed on the other sliding ring 51. The Velcro 53 passes through the soft cloth belt 52, and the Velcro 53 is sewn on the sliding ring 51.

[0046] When the puncture is completed, slide the two sliding rings 51 to the puncture position, and then place the medical disinfection cotton ball at the puncture position. At this time, pull the soft cloth belt 52 to make the sliding ring 51 press the puncture position, so as to protect the puncture position. Even if the support device is removed from the support base 1, it can still play a protective role, further improving the flexibility of the device and allowing the patient to move more conveniently.

[0047] Working principle: When actually using, first separate the wrist fixing ring 21 and the wrist fixing ring 22, the forearm fixing ring 31 and the forearm fixing ring 32, the upper arm fixing ring 41 and the upper arm fixing ring 42, and then let the patient stretch his arm from the position of the upper arm fixing part 4 with his palm facing up to the position of the forearm fixing part 3 and the wrist fixing part 2, so that the patient's arm is in the position of the wrist fixing part 2, and the forearm fixing part 3 is located at the patient's forearm near the elbow, and then lock the wrist fixing ring 21 and the wrist fixing ring 22, the patient's wrist will be fixed, and then the upper forearm fixing ring 31 and the forearm fixing ring 32 are locked. The lower arm fixing ring 32 is locked to fix the patient's elbow, and then the upper arm fixing ring 41 and the lower arm fixing ring 42 are locked to fix the patient's upper arm. Because the third semicircular plate 421 and the second semicircular plate 221 are slidably clamped in the corresponding first sliding part 11, and the first semicircular plate 35 is slidably clamped in the second sliding part 12, the support base 1 is fixed to the bed or armrest in advance. When the puncture is completed, slide the two sliding rings 51 to the puncture position, and then place the medical disinfection cotton ball at the puncture position. At this time, pull the soft cloth belt 52 so that the sliding ring 51 presses the puncture position.

[0048] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel hemodialysis puncture care device, comprising a support base (1), characterized in that: A supporting component is provided above the support base (1), and the supporting component comprises a wrist fixing component (2), a forearm fixing component (3), and an upper arm fixing component (4); two first sliding components (11) for supporting the wrist fixing component (2) and the upper arm fixing component (4) are slidably mounted on the upper surface of the support base (1); a second sliding component (12) for supporting the forearm fixing component (3) is slidably mounted in the middle of the upper surface of the support base (1); The wrist fixing component (2) comprises a wrist fixing ring (21) and a wrist fixing ring (22) which are symmetrically distributed, the forearm fixing component (3) comprises a forearm fixing ring (31) and a forearm fixing ring (32) which are symmetrically distributed, and the upper arm fixing component (4) comprises an upper arm fixing ring (41) and an upper arm fixing ring (42) which are symmetrically distributed, and two symmetrically distributed first fixing rods (34) are fixedly installed on a side of the lower forearm fixing ring (32) away from the sliding rod (23), and two second fixing rods (44) corresponding to the first fixing rods (34) are fixedly installed on a side of the lower upper arm fixing ring (42) close to the lower forearm fixing ring (32), and the second fixing rods (44) and the first fixing rods (34) are hinged to each other.

2. A novel hemodialysis puncture care device according to claim 1, characterized in that: The combination of the wrist fixing ring (21) and the wrist fixing ring (22) is used to fix the patient's wrist, the combination of the forearm fixing ring (31) and the forearm fixing ring (32) is used to fix the patient's forearm, the combination of the upper arm fixing ring (41) and the upper arm fixing ring (42) is used to fix the patient's upper arm, and the sliding card on the wrist fixing ring (22) is provided with a plurality of evenly distributed sliding rods (23); The sliding rod (23) is fixedly mounted on the lower forearm fixing ring (32); a fixing frame (25) is provided on the side of the lower wrist fixing ring (22) away from the forearm fixing component (3); a connecting sliding rod (24) is movably mounted in the middle of the lower wrist fixing ring (22); the sliding rod (23) is fixedly mounted on the fixing frame (25); the connecting sliding rod (24) is rotatably mounted on the fixing frame (25); a handle is fixedly mounted on the connecting sliding rod (24); and a threaded rod (241) is provided on the side of the connecting sliding rod (24) close to the forearm fixing component (3).

3. A novel hemodialysis puncture nursing device according to claim 2, characterized in that: A sliding sleeve (33) is slidably clamped in the middle of the lower fixing ring (32) of the forearm, the threaded rod (241) is clamped in the interior of the sliding sleeve (33) through threaded engagement, a rotating plate (331) is rotatably mounted in the interior of the sliding sleeve (33) near the threaded rod (241), a moving plate (332) is provided on the side of the rotating plate (331) away from the threaded rod (241), a matching sliding rod (333) is fixedly mounted on the side of the moving plate (332) near the threaded rod (241), the matching sliding rod (333) is slidably clamped in the interior of the threaded rod (241), and a first spring (334) is fixedly connected between the moving plate (332) and the rotating plate (331).

4. A novel hemodialysis puncture nursing device according to claim 3, characterized in that: A mating head (36) is provided on the side of the movable plate (332) away from the rotating plate (331); a connecting rod (361) is fixedly installed on the side of the mating head (36) away from the movable plate (332); a convex tooth is integrally formed on the side of the movable plate (332) close to the mating head (36); and a slot for mating with the convex tooth is provided on the side of the mating head (36) close to the movable plate (332).

5. A novel hemodialysis puncture care device according to claim 4, characterized in that: A winding drum (45) is rotatably mounted in the middle of the lower fixing ring (42) of the upper arm, and a semicircular groove is provided inside the upper fixing ring (41) and the lower fixing ring (42) of the upper arm, and the two semicircular grooves are combined to form a circular groove, and a tourniquet (43) is provided inside the circular groove, and a plurality of rubber ropes (411) for blocking the tourniquet (43) are fixedly mounted inside the circular groove, and both ends of the tourniquet (43) are fixedly mounted on the winding drum (45).

6. A novel hemodialysis puncture care device according to claim 5, characterized in that: A first ratchet plate (451) is provided on the side of the winding drum (45) close to the lower fixing ring (32) of the forearm, and the first ratchet plate (451) is fixedly mounted on the lower fixing ring (42) of the upper arm. A second ratchet plate (452) is provided on the side of the first ratchet plate (451) away from the lower fixing ring (42) of the upper arm. A second spring (453) is rotatably connected between the second ratchet plate (452) and the first ratchet plate (451), and the second ratchet plate (452) is fixedly mounted on the connecting rod (361). The end of the connecting rod (361) passes through the first ratchet plate (451) and is slidably clamped in the middle of the winding drum (45).

7. A novel hemodialysis puncture care device according to claim 6, characterized in that: A plurality of needle pressing components (5) for protecting the needle insertion position of the patient are arranged between the wrist fixing component (2) and the forearm fixing component (3), and the needle pressing components (5) include two mutually symmetrical sliding rings (51), the two sliding rings (51) are fixedly connected by a bracket, and the two sliding rings (51) are both slidably sleeved on the outer surface of the corresponding sliding rod (23), one of the sliding rings (51) is fixedly mounted with a Velcro (53), and the other sliding ring (51) is fixedly mounted with a U-shaped ring, the Velcro (53) passes through a soft cloth belt (52), and the Velcro (53) is sewn on the sliding ring (51).

8. A novel hemodialysis puncture care device according to claim 7, characterized in that: A first semicircular plate (35) is fixedly installed on the lower surface of the forearm lower fixing ring (32), and a plurality of evenly distributed fixing holes (351) are provided on the first semicircular plate (35). The first semicircular plate (35) is slidably clamped in the middle of the second sliding member (12), and a fixing groove (121) is provided in the middle of the second sliding member (12). An L-shaped rod (335) for clamping the fixing hole (351) and the fixing groove (121) is fixedly installed below the end of the sliding sleeve (33) away from the mating head (36).

9. A novel hemodialysis puncture care device according to claim 8, characterized in that: A second semicircular plate (221) is fixedly mounted on the lower surface of the wrist fixing ring (22), and a third semicircular plate (421) is fixedly mounted on the lower surface of the upper arm fixing ring (42). The second semicircular plate (221) and the third semicircular plate (421) are respectively slidably mounted inside the corresponding first sliding member (11).

10. A novel hemodialysis puncture care device according to claim 9, characterized in that: The wrist fixing ring (21) and the wrist fixing ring (22) are spliced ​​to form an elliptical cylinder, the forearm fixing ring (31) and the forearm fixing ring (32) are spliced ​​to form another elliptical cylinder, and the upper arm fixing ring (41) and the upper arm fixing ring (42) are spliced ​​to form a circular cylinder.

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