Plateau environment blood drawing equipment

Abstract

The invention relates to the field of medical instruments, in particular to plateau environment blood drawing equipment which comprises a protection pad, a supporting block and the like. Supporting blocks are arranged on the lower sides of the protection pads. Three-point fixation is formed through the two limiting stoppers and the supporting block, the needle inserting position is protected against compression caused by arm bending, a person subjected to blood drawing is protected, meanwhile, the device can be placed on the arm of the person subjected to blood drawing for blood drawing work, and then the device is suitable for blood drawing work in different places; the two ends of the telescopic belt are pulled downwards at the same time, then the skin surface attached to a person subjected to blood drawing is stretched, the skin wrinkles at the acupuncture position are stretched, medical staff can puncture the skin conveniently, and it is prevented that the skin of an old person loosens to affect acupuncture of the medical staff; the position of a needle pinched by a medical worker is clamped after the fixing rod deforms, and then the needle pricked into the skin is fixed.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, and particularly to a blood drawing device for plateau environments. Background Art

[0002] When medical staff draw blood from a person to be blood drawn, due to the instinctive resistance reaction when drawing blood from children and special populations, the arm will bend and contract spontaneously. The existing blood drawing methods usually draw blood from the vein at the elbow pit. After the needle penetrates the blood vessel, the natural bending and contraction of the arm will compress the needle in the blood vessel, resulting in the needle piercing the blood vessel and causing harm to the person to be blood drawn. At the same time, when drawing blood from the elderly, due to the loose skin folds of the elderly, during the blood drawing process, the folded skin is likely to interfere with the normal insertion path of the needle, resulting in the needle being deflected or the insertion depth being insufficient. Moreover, the folded skin is also likely to affect the medical staff's observation of the blood vessel position.

[0003] At the same time, in a plateau environment, due to the blood vessels contracting spontaneously to protect the body, the contraction of the blood vessels will make it difficult for medical staff to accurately locate the blood vessels, resulting in a long blood drawing time. Summary of the Invention

[0004] In order to overcome the disadvantages that the skin of the existing elderly is loose and folded, the folded skin is likely to interfere with the normal insertion path of the needle, resulting in the needle being deflected or the insertion depth being insufficient, and the folded skin is also likely to affect the medical staff's observation of the blood vessel position. At the same time, the contraction of blood vessels in a plateau environment affects the search by medical staff, the present invention provides a blood drawing device for plateau environments.

[0005] The technical solution of the present invention is: a blood drawing device for plateau environments, including a cushion and a support block; a support block is arranged under the cushion; it also includes an adjustment component, a limiter, a tension belt, an elastic belt and an auxiliary system; an adjustment component adapted to the arms of different populations is arranged on the support block; two limiters are installed on the adjustment component; a tension belt is arranged on each limiter; a plurality of rectangular grooves are formed on the support block; an elastic belt for preventing the folded skin from interfering with needle insertion is connected to the support block, and the elastic belt is located in a plurality of rectangular grooves; an auxiliary system for assisting in the blood drawing work is arranged on the support block.

[0006] More preferably, the adjusting assembly includes an adjusting rod, a first snap ring, a second snap ring and a pressing piece; two adjusting rods are rotatably connected to the front side and the rear side of the support block respectively; a first snap ring is connected to each adjusting rod; a plurality of round holes are formed in the front side and the rear side of the support block respectively; a clamping rod is arranged on one side of each first snap ring facing the support block; a second snap ring is slidably connected to one end of each adjusting rod away from the support block; a rotating bolt is arranged on each second snap ring; each second snap ring is fixedly connected to the adjacent stopper; a chute is formed in each adjusting rod; each second snap ring slides on the adjacent chute; a pressing piece is slidably connected to the front side and the rear side of the support block respectively.

[0007] More preferably, the cushion is made of rubber material.

[0008] More preferably, the auxiliary system includes a heating belt and a storage bag; a heating belt for facilitating medical staff to find blood vessels is slidably connected to the upper side of the support block; the heating belt is located in the rectangular groove; a storage bag for facilitating medical staff to perform blood drawing work is fixedly connected to the left stopper.

[0009] More preferably, it further includes a fixing rod; a plurality of fixing rods for fixing the needle insertion position are fixedly connected to the outer side surface of the heating belt; the fixing rod is made of elastic rubber material.

[0010] More preferably, the elastic belt is located inside the heating belt.

[0011] More preferably, each fixing rod is arranged in an inclined shape with the left side higher than the right side.

[0012] More preferably, the storage bag is located at the lower part of the left stopper.

[0013] More preferably, it further includes a light strip; a light strip for facilitating medical staff to find the blood vessel position is fixedly connected to the right side of the heating belt.

[0014] More preferably, it further includes a baffle; a baffle for preventing the light strip from interfering with medical staff is fixedly connected to the right side of the heating belt; the baffle is made of light-tight material; the baffle is located above the right of the light strip.

[0015] The present invention has the following advantages: The present invention realizes three-point fixation by two stoppers and the support block, protects the needle insertion position from being compressed by the bending of the arm, protects the blood-drawing person, and can also be placed on the arm of the blood-drawing person to perform blood-drawing work, thereby adapting to different places for blood-drawing work;

[0016] By pulling both ends of the elastic belt downward simultaneously, the elastic belt is stretched on the skin surface of the blood-drawing person, so that the skin folds at the needle insertion position are stretched, facilitating medical staff to puncture the skin and preventing the loose skin of the elderly from affecting the needle insertion by medical staff;

[0017] By deforming the fixed rod to clamp the position where the medical staff holds the needle by hand, the needle inserted into the skin is fixed, preventing the arm of the blood-drawing person from moving during the process of the medical staff pressing the needle, and then rubbing the needle to move in the blood vessel, avoiding damage to the blood vessel;

[0018] By setting the fixed rod to be inclined with the left side higher than the right side, the height of the left side of the fixed needle is higher than that of the right side, thus preventing the end of the needle inserted into the blood vessel from tilting and preventing the needle from puncturing the blood vessel;

[0019] By attaching the light strip to the surface of the arm skin for lighting operation, it assists the medical staff in judging the blood vessel position. By covering the right upper part of the light strip with a baffle, all light sources are directed towards the skin, avoiding the scattered light sources from diverging into the visual range of the medical staff and causing interference to them, ensuring that the medical staff can perform the needle insertion work normally. Brief Description of the Drawings

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the blood-drawing device in the plateau environment of the present invention;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the combination of the support block and the stretchable belt of the present invention;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the combination of the cushion, the support block, the adjusting rod and the first snap ring of the present invention;

[0023] Figure 4 It is a three-dimensional structural schematic diagram of the combination of the heating belt, the fixed rod and the pressing piece of the present invention;

[0024] Figure 5 It is a cross-sectional view of the support block of the present invention;

[0025] Figure 6 It is a three-dimensional structural schematic diagram of the combination of the heating belt and the stretchable belt of the present invention;

[0026] Figure 7 It is a three-dimensional structural schematic diagram of the combination of the heating belt and the fixed rod of the present invention;

[0027] Figure 8 It is a three-dimensional structural schematic diagram of the combination of the heating belt, the light strip and the baffle of the present invention.

[0028] In the reference numerals: 1 - cushion, 2 - support block, 2001 - round hole, 2002 - rectangular groove, 3 - limiter, 4 - tension belt, 5 - stretchable belt, 101 - adjusting rod, 10101 - sliding groove, 102 - first snap ring, 103 - second snap ring, 104 - pressing piece, 201 - heating belt, 202 - fixed rod, 203 - storage bag, 301 - light strip, 302 - baffle. Detailed Description of the Invention

[0029] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0030] Embodiment 1

[0031] As Figures 1-4 shown, a blood drawing device for plateau environment includes a cushion 1 and a support block 2; the support block 2 is arranged on the lower side of the cushion 1.

[0032] It further includes an adjusting assembly, a limiter 3, a tension belt 4, a telescopic belt 5 and an auxiliary system; the adjusting assembly is arranged on the support block 2; two limiters 3 are installed on the adjusting assembly; a tension belt 4 is arranged on each limiter 3; a plurality of rectangular grooves 2002 are formed on the support block 2; the telescopic belt 5 is connected to the support block 2 and is located in a plurality of rectangular grooves 2002; the auxiliary system is arranged on the support block 2.

[0033] The adjusting assembly includes an adjusting rod 101, a first snap ring 102, a second snap ring 103 and a pressing piece 104; two adjusting rods 101 are rotatably connected to the front side and the rear side of the support block 2 respectively; a first snap ring 102 is connected to each adjusting rod 101; a plurality of circular holes 2001 are formed on the front side and the rear side of the support block 2 respectively; a clamping rod is arranged on one side of each first snap ring 102 facing the support block 2; a second snap ring 103 is slidably connected to one end of each adjusting rod 101 away from the support block 2; a rotating bolt is arranged on each second snap ring 103; each second snap ring 103 is fixedly connected to the adjacent limiter 3; a chute 10101 is formed on each adjusting rod 101; each second snap ring 103 slides on the adjacent chute 10101; a pressing piece 104 is slidably connected to the front side and the rear side of the support block 2 respectively.

[0034] The cushion 1 is made of rubber material, which is convenient for adapting to the elbow position of the person being drawn blood and improving the comfort during blood drawing.

[0035] Before the medical staff performs the blood drawing work, first assist the person being drawn blood to place the elbow at the cushion 1. After using the support block 2 for support, then apply iodophor to disinfect the cubital fossa position, and finally find the blood vessel position for needle insertion and blood drawing work.

[0036] During the above process, considering that special groups such as children or the elderly may resist when being drawn blood, causing the body to bend the arm automatically, and when the needle is inserted into the blood vessel, bending the arm easily leads to the blood vessel being punctured. When the medical staff assist the person being drawn blood to place the elbow on the cushion 1, taking the view from front to back as a reference, all the adjusting rods 101 on the left side are rotated counterclockwise, and the adjusting rods 101 on the right side are rotated clockwise, so that the adjusting rods 101 drive the second snap rings 103 and the limiters 3 as Figure 2In the manner shown, the two limiters 3 are respectively fitted to the left and right sides of the elbow pit of the person to be drawn blood. Then, the first snap ring 102 is pushed towards the support block 2, so that the clamping rod provided on the first snap ring 102 is inserted into the circular hole 2001, thereby fixing the adjusting rod 101 and preventing it from rotating. Thus, the limiter 3 is fitted to the skin of the person to be drawn blood, and the two limiters 3 and the support block 2 form a three-point fixation. By using the three-point fixation method, the person to be drawn blood is prevented from bending the arm, thereby protecting the puncture position from being compressed by the bent arm and protecting the person to be drawn blood. During this process, the tension belt 4 on the limiter 3 can also be tightened, so that both the left and right sides of the elbow pit of the person to be drawn blood are in a tightened state, thereby acting as a tourniquet function, making it difficult for the blood in the blood vessel to flow and swell, and facilitating the medical staff to perform the needle insertion work. At the same time, when fixing the arms of different persons to be drawn blood, by loosening the bolt on the second snap ring 103, the limiter 3 and the adjusting rod 101 are in a relaxed state. Then, the medical staff pulls the second snap ring 103 to slide on the chute 10101, thereby adjusting the distance between the two limiters 3 to adapt to arms of different lengths. Then, the bolt on the second snap ring 103 is tightened to make the limiter 3 and the adjusting rod 101 fit tightly together and be fixed.

[0037] It is also considered that when performing blood drawing work on the elderly, in order to avoid the wrinkled skin affecting the normal puncture path of the needle and facilitating the medical staff to find the blood vessel. When the elbow position of the elderly is fitted to the cushion 1, the medical staff first fits the telescopic belt 5 to the elderly's arm, and then pulls the front and rear ends of the telescopic belt 5 downward with both hands, so that the wrinkled telescopic belt 5 is stretched by the force, thereby stretching the wrinkled skin of the elderly. At this time, by inserting the pressing piece 104 into the rectangular groove 2002 to fix the telescopic belt 5, the skin wrinkles at the puncture position are reduced, facilitating the medical staff to puncture the skin and preventing the loose skin of the elderly from affecting the medical staff's needle insertion.

[0038] Embodiment 2

[0039] On the basis of Embodiment 1, as Figures 4-7 shown, the auxiliary system includes a heating belt 201 and a storage bag 203; the heating belt 201 is slidably connected to the upper side of the support block 2, the heating belt 201 is electrically controlled, and a graphene heating film, a circuit board and a temperature controller are arranged inside the heating belt 201; the heating belt 201 is located in the rectangular groove 2002; a storage bag 203 is fixedly connected to the limiter 3 on the left side.

[0040] It also includes a fixing rod 202; a plurality of fixing rods 202 are fixedly connected to the outer side surface of the heating belt 201; the fixing rod 202 is made of elastic rubber material.

[0041] The telescopic band 5 is located inside the heating band 201, preventing the heating band 201 from directly contacting the skin and scalding the person being drawn blood. At the same time, the medical staff first fix the heating band 201, so that the telescopic band 5 is restricted by the heating band 201 and better fits on the skin surface for stretching.

[0042] Each fixing rod 202 is set in an inclined shape with the left side higher than the right side.

[0043] The storage bag 203 is located below the left limiter 3, making the blood vessel bottles stored in the storage bag 203 in the visual blind area blocked by the arm of the person being drawn blood, preventing the blood from causing discomfort to the person being drawn blood.

[0044] When performing blood drawing work on a person being drawn blood in a plateau area, due to the low air pressure in the plateau area, the human blood vessels contract to protect themselves. The contraction of the blood vessels makes it difficult for medical staff to find the blood vessel position, and at the same time, the shrinkage of the blood vessels also makes it difficult to accurately pierce the blood vessel, thus increasing the difficulty for medical staff. To avoid this phenomenon, before performing the injection, the medical staff pull the two ends of the heating band 201 downward, so that the heating band 201 fits on the left side of the elbow pit. Then, they push the pressing piece 104 into the rectangular groove 2002, so that the heating band 201 is stuck in the rectangular groove 2002 for fixation, and then the heating band 201 fits on the skin surface. Then, the heat dissipated by the heating band 201 is transmitted to the arm of the person being drawn blood. During this process, the telescopic band 5 contacts the arm to prevent the heating band 201 from directly applying heat to the arm skin and scalding the person being drawn blood. At the same time, they pull the front and rear ends of the telescopic band 5 downward, so that the telescopic band 5 stretches inside the heating band 201 under the restriction of the heating band 201, and then the telescopic band fits better on the skin surface to stretch the wrinkled skin. In a warm environment, the blood vessels at the blood drawing site of the arm relax, the blood vessel diameter increases, which promotes blood flow, helps with heat dissipation and improves the blood supply of local tissues. When the blood supply increases, the blood vessels are forced to stretch to supply blood, thus facilitating the medical staff to find the blood vessels for injection work.

[0045] During the above process, it is also considered that in order to make the needle stable after piercing the skin, after the needle pierces the skin, the medical staff insert the position where they pinch the needle between two adjacent fixing rods 202, so that the two fixing rods 202 deform and clamp the position where the medical staff pinch the needle. Since the heating band 201 fits on the arm skin of the person being drawn blood at this time, it fixes the needle piercing the skin, thus releasing the hands of the medical staff. At the same time, it is fixed on the arm of the person being drawn blood and moves along with it, preventing the arm of the person being drawn blood from moving during the process of the medical staff pressing the needle, and then rubbing the needle to move in the blood vessel, avoiding damaging the blood vessel. When the blood drawing is completed, the medical staff can also assist in pulling the needle out to the left along the gap between the two fixing rods 202.

[0046] During the above process, since the needle cannot be parallel to the blood vessel after being inserted into the blood vessel, there is an angle between the needle and the blood vessel. When the needle is stuck between two adjacent fixing rods 202, in order to prevent the needle from being affected by the fixing rod 202 and causing the needle to tilt upward and damage the blood vessel, all the fixing rods 202 are set to be inclined with the left side higher than the right side, so that the height of the left side of the fixed needle is higher than that of the right side, thereby avoiding the end of the needle inserted into the blood vessel from tilting up and preventing the needle from puncturing the blood vessel.

[0047] It is also considered that in the case of emergency blood collection outdoors, the three-point fixing structure composed of the cushion 1 and the limiter 3 that can move autonomously following the arm of the person being drawn blood can fix the arm of the person being drawn blood for blood collection work without additional fixing points. At the same time, since the needle also needs to be connected to the blood collection tube and the blood vessel bottle, and during the blood collection process, medical staff need to use both hands for needle insertion and blood collection work, this results in the placement of the blood vessel bottle being unfixed, easily causing the blood vessel bottle to fall and roll, thereby pulling the blood collection tube and the needle, which can cause harm to the blood collection position of the person being drawn blood and is also not convenient for medical staff to use both hands for needle insertion work. To avoid this phenomenon, after inserting the blood collection tube into the test tube, one end is connected to the needle, and then the test tube storing blood is placed in the storage bag 203. At this time, medical staff do not need to hold the test tube for needle insertion work, which is convenient for the operation of medical staff.

[0048] Embodiment 3

[0049] On the basis of Embodiment 1, as Figure 1 and Figure 8 shown, it further includes a light strip 301; a light strip 301 is fixedly connected to the right side of the heating strip 201.

[0050] It further includes a baffle 302; a baffle 302 is fixedly connected to the right side of the heating strip 201; the baffle 302 is made of light-tight material; the baffle 302 is located above the right of the light strip 301.

[0051] When medical staff perform needle insertion work on the person being drawn blood, they need to first apply iodine disinfectant on the skin surface and then perform needle insertion work. In a scene with relatively dim light, light is needed to assist medical staff in their work. When light source assistance is needed for medical staff to insert the needle, the light strip 301 on the right side of the heating strip 201 is attached to the skin surface of the arm, so that the light source of the light strip 301 is attached to the skin surface of the person being drawn blood to emit light source, thereby assisting medical staff in judging the blood vessel position.

[0052] It is also considered that by using the baffle 302 to cover the upper right of the light strip 301, when the light strip 301 emits light source, since the baffle 302 is made of light-tight material, all the light sources are directed towards the skin, avoiding the scattered light sources from diverging into the visible range of medical staff and causing interference to them, ensuring that medical staff can perform needle insertion work normally.

[0053] Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made to the present invention without departing from the principles and spirit scope defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only for explanation and not for limiting the present invention, but the scope of protection is defined by the content of the claims.

Claims

1. A blood drawing device for plateau environment, comprising a protective pad (1) and a support block (2); the support block (2) is arranged on the lower side of the protective pad (1); characterized in that: The device also comprises an adjustment component, a stopper (3), a tensioning belt (4), a retractable belt (5) and an auxiliary system; the support block (2) is provided with an adjustment component adapted to the arms of different groups of people; two stoppers (3) are installed on the adjustment component; each stopper (3) is provided with a tensioning belt (4); two rectangular grooves (2002) are provided on the support block (2); a retractable belt (5) is connected to the support block (2) to prevent wrinkled skin from interfering with needle insertion, and the retractable belt (5) is located in the rectangular groove (2002); and an auxiliary system for assisting blood drawing is provided on the support block (2).

2. The plateau environment blood drawing device according to claim 1, characterized in that: The adjustment component comprises an adjustment rod (101), a first clamping ring (102), a second clamping ring (103) and a pressing plate (104); the front and rear sides of the support block (2) are both rotatably connected to the two adjustment rods (101); each adjustment rod (101) is connected to a first clamping ring (102); the front and rear sides of the support block (2) are both provided with a plurality of circular holes (2001); each first clamping ring (102) is provided with a clamping rod on one side facing the support block (2); each adjustment rod (1 01) is slidably connected to one end away from the support block (2); each second clamping ring (103) is provided with a rotating bolt; each second clamping ring (103) is fixedly connected to the adjacent limiter (3); each adjusting rod (101) is provided with a sliding groove (10101); each second clamping ring (103) slides on the adjacent sliding groove (10101); the front and rear sides of the support block (2) are slidably connected to a pressing plate (104).

3. The plateau environment blood drawing device according to claim 1, characterized in that: The protective pad (1) is made of rubber material.

4. A blood drawing device for plateau environment according to any one of claims 1-3, characterized in that: The auxiliary system comprises a heating belt (201) and a storage bag (203); the upper side of the support block (2) is slidably connected to the heating belt (201) for medical personnel to find blood vessels; the heating belt (201) is located in the rectangular groove (2002); and the storage bag (203) is fixedly connected to the stopper (3) on the left side for medical personnel to draw blood.

5. The plateau environment blood drawing device according to claim 4, characterized in that: It also includes fixing rods (202); a plurality of fixing rods (202) for fixing the acupuncture positions are fixedly connected to the outer side surface of the heating belt (201); the fixing rods (202) are made of elastic rubber material.

6. The plateau environment blood drawing device according to claim 5, characterized in that: The telescopic belt (5) is located inside the heating belt (201).

7. The blood drawing device for plateau environment according to claim 5, characterized in that: Each fixing rod (202) is arranged in an inclined shape with the left side being higher than the right side.

8. The plateau environment blood drawing device according to claim 4, characterized in that: The storage bag (203) is located at the lower part of the left stopper (3).

9. The plateau environment blood drawing device according to claim 6, characterized in that: It also includes a light belt (301); the right side of the heating belt (201) is fixedly connected with the light belt (301) for facilitating medical personnel to locate the blood vessel.

10. The plateau environment blood drawing device according to claim 9, characterized in that: It also includes a baffle (302); a baffle (302) is fixedly connected to the right side of the heating belt (201) to prevent the light belt (301) from interfering with medical staff; the baffle (302) is made of an opaque material; and the baffle (302) is located at the upper right side of the light belt (301).

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