Blood donation auxiliary device

Abstract

The utility model discloses a blood donation auxiliary device, which belongs to the technical field of medical instruments and comprises a grip ball and an auxiliary component, and the auxiliary component comprises a supporting plate, a placing frame, a hinge, a pressing plate, a pull rope, a spring, a fixing ring and a limiting block. The arm needing blood donation is placed on the supporting plate, the palm can be placed on the placing frame, at the moment, the grip ball can be placed in the palm of a blood donor, the blood donor can pull the pull rope to drive the hinge to rotate downwards, then the pressing plate rotates along with the pull rope, the spring is compressed along with the pull rope, the palm of the blood donor can be pressed, and the grip ball is squeezed; blood of a blood donor flows in the blood transfusion mechanism, the blood donor continuously stretches and recovers a pull rope, a pressing plate is driven to press the palm of the blood donor to extrude a grip ball, the blood flow speed can be effectively increased, and the blood sampling effect is improved; therefore, the problem that a blood donor cannot exert strength due to the fact that the arm is bound with the tourniquet all the time in the whole blood donation process is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment and provides a blood donation auxiliary device. Background Art

[0002] Currently, during the blood donation process, due to the different physical conditions of the blood donors and the amount of blood donated, the blood donation time will last for several minutes or even more than ten minutes. Medical workers will ask the blood donors to squeeze the grip ball or apply pressure to their arms to ensure smooth blood flow and increase blood flow speed, thereby improving blood collection efficiency.

[0003] However, during the whole blood donation process, the blood donor has no strength due to the cuff on his arm or his own blood vessels are very thin, which affects the blood flow rate, resulting in poor blood flow effect and affecting the preparation of blood products in the later stage. Therefore, in order to help blood donors complete blood donation smoothly, save blood donors' time and improve the blood collection efficiency of medical workers, a device that can assist blood donors in completing blood donation smoothly is needed. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a blood donation auxiliary device, which aims to solve the problem that blood donors have no strength to effectively grasp the grip ball to increase the blood flow rate in the arm blood vessels when donating blood, resulting in poor blood donation results.

[0005] In order to achieve the above object, the utility model provides the following technical solutions:

[0006] The utility model provides a blood donation auxiliary device, comprising a grip ball and an auxiliary component, wherein the auxiliary component comprises a support plate, a placement frame, a hinge, a pressure plate, a pull rope, a spring, a fixing ring and a limit block;

[0007] The support plate is arranged on one side of the grip ball, the placement frame is fixedly connected to the support plate and is located on one side of the support plate, the hinge is rotatably connected to the placement frame and is located on the top of the placement frame, the pressure plate is fixedly connected to the hinge and is located on the side of the hinge away from the placement frame, the pull rope is fixedly connected to the pressure plate and is located on one side of the pressure plate, the spring is fixedly connected to the pressure plate and is located on the side of the pressure plate close to the pull rope, the fixing ring is fixedly connected to the support plate and is located on the side of the support plate close to the placement frame, and the limit block is fixedly connected to the pull rope and is located at the bottom of the pull rope.

[0008] Furthermore, the auxiliary component also includes a soft pad, which is slidably connected to the placement rack and is located on one side of the placement rack.

[0009] Furthermore, the auxiliary component also includes a fixing mechanism, and the fixing mechanism is arranged on a side of the placement frame close to the cushion.

[0010] Furthermore, the fixing mechanism includes a base frame, a cover plate and positioning bolts. The base frame is fixedly connected to the placement frame and is located on one side of the placement frame. The cover plate is rotatably connected to the base frame and slidably connected to the cushion and is located on the top of the base frame. The positioning bolts are threadedly connected to the cover plate and pass through the cover plate.

[0011] Furthermore, the auxiliary component also includes a protective pad, which is fixedly connected to the pressing plate and is located on one side of the pressing plate.

[0012] The beneficial effect of the utility model is that when the blood donor starts to donate blood, he first leans back on the seat and places the arm that needs to donate blood on the support plate, so that the palm can be placed on the placement rack, and the compression band is wrapped around the arm of the blood donor. At this time, the grip ball can be put into the palm of the blood donor. After the medical staff prepares the blood donation device, the blood donor or the medical staff can pull the pull rope to drive the hinge to start to rotate downward, so that the pressure plate rotates accordingly, and the spring is compressed accordingly, which can press the palm of the blood donor and squeeze the grip ball. With the help of the compression band, the blood vessels in the blood donor's arm are filled with blood, so that the blood can flow into the blood transfusion bag. After completing one squeezing, the blood donor releases the pull rope, so that the spring starts to recover and stretch, pushing the hinge to drive the The pressure plate rotates upward and no longer presses the palm of the blood donor. At this time, the blood donor can pull the drawstring again, so that the pressure plate presses the palm of the blood donor again to squeeze the grip ball and accelerate blood flow. The blood donor's palm grips the grip ball to expand and contract and the compression band is wrapped around the blood donor's arm, so that the blood vessels in the arm can circulate in a taut and relaxed state, and the blood in the arm can quickly and continuously enter the blood transfusion bag. The cooperation of the fixed ring and the limit block can prevent the drawstring from deviating. The blood donor continuously stretches and retracts the drawstring, driving the pressure plate to press the palm of the blood donor to squeeze the grip ball, which can effectively increase blood flow rate and improve blood donation effect, thereby solving the problem of poor blood donation effect caused by the blood donor's palm being exhausted from tying the compression band and unable to effectively grasp the grip ball.

[0013] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings, in which:

[0015] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model;

[0016] Figure 2 This is a structural schematic diagram of a blood donor squeezing a grip ball in the first embodiment of the utility model;

[0017] Figure 3 This is a schematic structural diagram of a support plate, a placement rack, a cushion and a fixing mechanism of the first embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model;

[0019] Figure numerals: 101-grip ball, 102-auxiliary component, 103-support plate, 104-placing rack, 105-hinge, 106-pressure plate, 107-pull rope, 108-spring, 109-fixing ring, 110-limiting block, 111-cushion, 112-base frame, 113-cover plate, 114-positioning bolt, 115-fixing mechanism, 201-protective pad. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with specific implementation methods. The drawings are only used for exemplary descriptions, and are only schematic diagrams, not actual pictures, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0021] The first embodiment of the present application is:

[0022] like Figure 1-3 As shown, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 This is a structural schematic diagram of a blood donor squeezing a grip ball in the first embodiment of the utility model; Figure 3 It is a schematic structural diagram of the support plate, placement frame, cushion and fixing mechanism of the first embodiment of the utility model.

[0023] The utility model provides a blood donation auxiliary device, including a grip ball 101 and an auxiliary component 102, wherein the auxiliary component 102 includes a support plate 103, a placement rack 104, a hinge 105, a pressure plate 106, a pull rope 107, a spring 108, a fixing ring 109, a limit block 110, a cushion 111 and a fixing mechanism 115; the fixing mechanism 115 includes a base frame 112, a cover plate 113 and a positioning bolt 114; the above-mentioned scheme solves the problem of poor blood donation effect caused by the blood donor's inability to grasp the grip ball 101. It can be understood that the above-mentioned scheme can be used in the scene where it is convenient for the blood donor to squeeze the grip ball 101, and can also be used to protect the palm of the blood donor.

[0024] According to this specific embodiment, the support plate 103 is arranged on one side of the grip ball 101, the placement frame 104 is fixedly connected to the support plate 103 and is located on one side of the support plate 103, the hinge 105 is rotatably connected to the placement frame 104 and is located on the top of the placement frame 104, the pressure plate 106 is fixedly connected to the hinge 105 and is located on the side of the hinge 105 away from the placement frame 104, the pull rope 107 is fixedly connected to the pressure plate 106 and is located on one side of the pressure plate 106, and the spring 108 is fixedly connected to the pressure plate 106 and is located on the pressure plate 106 close to the pull rope 107. On one side, the fixing ring 109 is fixedly connected to the support plate 103 and is located on the side of the support plate 103 close to the placement rack 104. The limiting block 110 is fixedly connected to the pull rope 107 and is located at the bottom of the pull rope 107. When the blood donor starts to donate blood, he first sits on the seat and places the arm that needs to donate blood on the support plate 103 so that the palm can be placed on the placement rack 104, and the compression cuff is wrapped around the blood donor's arm. At this time, the grip ball 101 can be placed in the palm of the blood donor. After the medical staff prepares the blood donation device, the blood donor or medical staff can pull the pull rope 107 to drive the blood donor to donate blood. The hinge 105 starts to rotate downward, so that the pressure plate 106 rotates accordingly, and the spring 108 is compressed accordingly, which can press the palm of the blood donor and squeeze the grip ball 101. With the help of the compression belt, the blood vessels in the blood donor's arm are filled, and the blood in the blood can flow to the blood transfusion bag. After completing one squeeze, the blood donor releases the drawstring 107, so that the spring 108 starts to retract and stretch, pushing the hinge 105 to drive the pressure plate 106 to rotate upward and no longer press the palm of the blood donor. At this time, the blood donor can pull the drawstring 107 again, so that the pressure plate 106 presses the palm of the blood donor again, squeezes the grip ball 101, and accelerates the blood transfusion. The blood flows through the blood donor's palm holding the grip ball 101 to open and close, and the compression band is wrapped around the blood donor's arm, so that the blood vessels in the arm can circulate in a tense and relaxed state, so that the blood in the arm can quickly and continuously enter the blood transfusion bag, and the cooperation of the fixing ring 109 and the limiting block 110 can prevent the drawstring 107 from deviating, and the drawstring 107 is continuously stretched and recovered by the blood donor, so that the pressure plate 106 is driven to press the blood donor's palm to squeeze the grip ball 101, which can effectively increase the blood flow rate and improve the blood donation effect, thereby solving the problem of poor blood donation effect caused by the blood donor's palm being exhausted from tying the compression band and unable to effectively grasp the grip ball.

[0025] The soft pad 111 is slidably connected to the placement rack 104 and is located on one side of the placement rack 104. By arranging the soft pad 111 on the placement rack 104, the arm of the blood donor can be protected. After the blood donor completes blood donation, it can be replaced to avoid causing harm to the blood donor.

[0026] Secondly, the fixing mechanism 115 is arranged on a side of the placement rack 104 close to the cushion 111 , and the cushion 111 can be fixed by the fixing mechanism 115 . After the blood donor completes blood donation, the cushion 111 can be replaced by opening the fixing mechanism 115 .

[0027] Furthermore, the base frame 112 is fixedly connected to the placement frame 104 and is located on one side of the placement frame 104. The cover plate 113 is rotatably connected to the base frame 112 and is slidably connected to the cushion 111 and is located on the top of the base frame 112. The positioning bolt 114 is threadedly connected to the cover plate 113 and passes through the cover plate 113. When the cushion 111 needs to be replaced, the positioning bolt 114 can be turned left, and the positioning bolt 114 no longer clamps the cover plate 113, so that the cover plate 113 can be rotated on the base frame 112 and the cushion 111 is no longer limited. At this time, the medical worker can remove the cushion 111 for replacement. After the replacement is completed, the medical worker can rotate the cover plate 113 to clamp the cushion 111, and at the same time, turn the positioning bolt 114 right to position the cover plate 113.

[0028] The use principle of the utility model is as follows: when the blood donor starts to donate blood, he / she first sits back on the seat and places the arm that needs to donate blood on the support plate 103, so that the palm can be placed on the placement frame 104, and by arranging the cushion 111 on the placement frame 104, the arm of the blood donor can be protected, and the compression cuff can be wrapped around the arm of the blood donor. At this time, the grip ball 101 can be placed in the palm of the blood donor. After the medical staff prepares the blood donation device, the blood donor or the medical staff can pull the pull rope 107 to drive the hinge 105 to start to rotate downward, thereby making the blood donor's hand feel comfortable. The pressure plate 106 rotates accordingly, and the spring 108 is compressed accordingly, which can press the palm of the blood donor and squeeze the grip ball 101. In combination with the compression belt, the blood vessels in the blood donor's arm are filled, and the blood in the blood can flow quickly to the blood transfusion bag. After completing one squeezing, the blood donor releases the pull rope 107, so that the spring 108 begins to retract and stretch, pushing the hinge 105 to drive the pressure plate 106 to rotate upward and no longer press the palm of the blood donor. At this time, the blood donor can pull the pull rope 107 again, so that the pressure plate 106 presses the palm of the blood donor again to squeeze the grip ball 101. Accelerate blood flow. The blood donor's palm holds the grip ball 101 and opens and closes it, and the compression band is wrapped around the donor's arm, so that the blood vessels in the arm can circulate in a tense and relaxed state, and the blood in the arm can quickly and continuously enter the blood transfusion bag. The cooperation of the fixing ring 109 and the limiting block 110 can prevent the drawstring 107 from deviating. The drawstring 107 is continuously stretched and recovered by the blood donor, driving the pressure plate 106 to press the palm of the blood donor to squeeze the grip ball 101, which can effectively increase the blood flow rate and improve the blood donation effect. After the blood donor completes blood donation, the need to replace the drawstring 107 is When the cushion 111 is in place, the positioning bolt 114 can be rotated counterclockwise, and the positioning bolt 114 no longer blocks the cover plate 113, so that the cover plate 113 can rotate on the base frame 112 and the cushion 111 is no longer limited. At this time, the medical worker can remove the cushion 111 for replacement. After the replacement is completed, the medical worker can rotate the cover plate 113 to lock the cushion 111, and at the same time, rotate the positioning bolt 114 clockwise to hold the cover plate 113 in place, thereby solving the problem of poor blood donation effect caused by the blood donor's palm being unable to effectively grasp the grip ball due to exhaustion from tying the compression cuff.

[0029] The second embodiment of the present application is:

[0030] like Figure 4 As shown, Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0031] The auxiliary component 102 of the blood donation auxiliary device of the utility model further includes a protective pad 201.

[0032] According to this specific embodiment, the protective pad 201 is fixedly connected to the pressing plate 106 and is located on one side of the pressing plate 106 . The protective pad 201 can protect the back of the hand of the blood donor to prevent the blood donor from being injured by the pressing plate 106 .

[0033] The implementation principle of the utility model is: the back of the hand of the blood donor can be protected by the protective pad 201 to prevent the blood donor from being hurt by the pressing plate 106 .

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the utility model.

Claims

1. A blood donation auxiliary device, comprising a grip ball, characterized in that: It also includes auxiliary components, which include a support plate, a placement frame, a hinge, a pressure plate, a pull rope, a spring, a fixing ring and a limit block; The support plate is arranged on one side of the grip ball, the placement frame is fixedly connected to the support plate and is located on one side of the support plate, the hinge is rotatably connected to the placement frame and is located on the top of the placement frame, the pressure plate is fixedly connected to the hinge and is located on the side of the hinge away from the placement frame, the pull rope is fixedly connected to the pressure plate and is located on one side of the pressure plate, the spring is fixedly connected to the pressure plate and is located on the side of the pressure plate close to the pull rope, the fixing ring is fixedly connected to the support plate and is located on the side of the support plate close to the placement frame, and the limit block is fixedly connected to the pull rope and is located at the bottom of the pull rope.

2. A blood donation auxiliary device according to claim 1, characterized in that: The auxiliary component also includes a soft pad, which is slidably connected to the placement rack and is located on one side of the placement rack.

3. A blood donation auxiliary device according to claim 2, characterized in that: The auxiliary component also includes a fixing mechanism, and the fixing mechanism is arranged on a side of the placement frame close to the soft cushion.

4. A blood donation auxiliary device according to claim 3, characterized in that: The fixing mechanism includes a base frame, a cover plate and positioning bolts. The base frame is fixedly connected to the placement frame and is located on one side of the placement frame. The cover plate is rotatably connected to the base frame and slidably connected to the cushion and is located on the top of the base frame. The positioning bolts are threadedly connected to the cover plate and pass through the cover plate.

5. A blood donation auxiliary device according to claim 4, characterized in that: The auxiliary component also includes a protective pad, which is fixedly connected to the pressing plate and is located on one side of the pressing plate.

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