CN210811092U - Blood taking device for detecting blood sugar of endocrinology department - Google Patents

Abstract

The utility model discloses a blood-taking device for blood glucose detection in endocrinology department, which comprises a finger cover, and a pressing blood-taking device is arranged on the finger-cover; the pressing blood-taking device comprises an upper casing and a lower casing; the upper casing There is a pressing device on the upper part, a vacuum collection bottle is arranged below the pressing device, and a puncture layer is arranged at the lower end of the vacuum collection bottle; a spring barrier plate is arranged in the lower shell, and a displacement hole is arranged on the spring barrier plate. A needle tube fixing member is provided, a blood collection needle tube, a puncturing needle tube and a spring limit plate are arranged on the needle tube fixing member, and a plurality of support springs are arranged between the spring limit plate and the vacuum collection bottle; the needle tube fixing member is sleeved with Pressing the spring, the upper end of the pressing spring is fixed with the lower end of the spring limiting plate, and the lower end of the pressing spring is fixed with the spring blocking plate; the lower end of the lower casing is provided with a puncture opening. The utility model can quickly and accurately puncture the fingertip, the blood is easy to collect, and has the advantages of simplicity, lightness, and convenient use.

Description

A blood sampling device for blood glucose detection in endocrinology department

technical field

The utility model relates to the field of medical devices, in particular to a blood sampling device for blood glucose detection in endocrinology.

Background technique

In recent years, with the acceleration of the pace of life and changes in the structure of the diet, the prevalence of diabetes in my country has increased significantly. Diabetes is one of the most important chronic non-communicable diseases currently threatening human health around the world. It is often accompanied by hyperlipidemia, electrolyte and protein metabolism disorders. This chronic process often leads to damage and function of the eyes, kidneys, heart, brain and peripheral blood vessels. exhaustion. Therefore, patients with diabetes are widely distributed in clinical endocrinology departments. An important indicator of diabetes is blood sugar. At present, the blood glucose monitoring method widely used in clinical practice is fingertip blood sugar monitoring. The extraction of blood samples requires puncture with a fingertip puncture needle, and the puncture point is located at the fingertips of the ring finger and the middle finger. , the blood sample is exposed to the air after blood collection, and does not have the function of storing blood samples, and an additional blood collection device is required. Moreover, for patients who are afraid of blood dizziness, fingertip blood collection is a big challenge for them, and it is often impossible to pierce the skin due to improper operation.

Utility model content

The purpose of the utility model is to provide a blood sampling device for blood glucose detection in endocrinology department. The utility model can quickly and accurately puncture the fingertip, the punctured blood is easy to collect, and has the advantages of simplicity, lightness, convenient use, safety and hygiene.

The technical scheme of the utility model is as follows: a blood-taking device for blood glucose detection in endocrinology department, comprising a finger cover for fixing fingers, and a pressing blood-taking device is arranged on the finger-cover; the pressing blood-taking device comprises an upper shell that cooperates with each other. There is an instrument cavity between the upper shell and the lower shell; a pressing device is arranged in the middle of the upper end of the upper shell, and a vacuum collection bottle located in the instrument cavity is arranged below the pressing device. A puncture layer is arranged in the middle of the lower end of the bottle; a spring barrier plate is arranged in the lower shell, a displacement hole is opened in the middle of the spring barrier plate, a needle tube fixing member is arranged in the displacement hole, and a blood collection needle tube is arranged in the middle part of the lower end of the needle tube fixing member The upper end of the needle tube fixing member is provided with a puncturing needle tube pointing to the puncture layer; the blood collection needle tube and the puncturing needle tube are connected; the upper end of the needle tube fixing member is also provided with a spring limit plate, which is A plurality of support springs are arranged between the vacuum collection bottle and the needle tube fixing member; a pressing spring is sleeved on the needle tube fixing part, the upper end of the pressing spring is fixed with the lower end of the spring limit plate, and the lower end of the pressing spring is fixed with the spring blocking plate; The lower end of the lower casing is provided with a puncture opening.

In the above-mentioned blood sampling device for blood glucose detection in endocrinology department, the pressing device includes a central through hole arranged on the upper casing, and the diameter of the central through hole decreases sequentially from bottom to top; There are a plurality of guide protrusions, and a limit groove is formed between the guide protrusions; the lower end of the guide protrusion is provided with a first camber angle and a second camber angle, and the first camber angle and the second camber angle A built-in angle is formed between them; a guide groove is provided inside the guide protrusion, and the opening of the guide groove is formed on an arc-shaped inclined surface common to the built-in angle and the first camber angle; a cylindrical shape is arranged in the central through hole A pressing piece, the lower end of the pressing piece is annularly provided with a plurality of saw cuts formed by a first inclined surface and a second inclined surface; a plurality of vertical limit bars are arranged on the side wall of the pressing piece, and the limit bars are connected with the The saw edges correspond; the adjacent limit bars are respectively arranged in the limit groove and the guide groove; a rotating member is arranged between the vacuum collection bottle and the pressing member, and a plurality of rotating bars are annularly distributed on the rotating member. The upper end surface of the rotating strip is an arc-shaped inclined surface; the rotating strip is arranged in the inner corner or the limiting groove.

In the aforementioned blood sampling device for blood glucose detection in endocrinology department, the lower end of the rotating member is provided with a fixing rod; the upper end of the vacuum collection bottle is provided with a fixing hole; the fixing rod is arranged in the fixing hole and forms a pass Win cooperation.

In the aforementioned blood sampling device for blood glucose detection in endocrinology, the upper casing and the lower casing are screwed together.

In the aforementioned blood sampling device for blood glucose detection in endocrinology, the material of the piercing layer is an elastic film material.

In the aforementioned blood sampling device for blood glucose detection in endocrinology, the elastic membrane material is silica gel.

In the aforementioned blood sampling device for blood glucose detection in endocrinology, the finger cuff is padded with a flexible material.

In the aforementioned blood sampling device for blood glucose detection in endocrinology, the flexible material is a sponge.

In the aforementioned blood collection device for blood glucose detection in endocrinology department, the finger cover is transparent.

Compared with the prior art, the utility model fixes the finger in the finger cover, and the finger cover is provided with a pressing blood-taking device for pressing and puncturing the finger to take blood; The instrument chamber for placing the vacuum collection bottle, a pressing device is arranged on the upper casing, and a spring blocking plate is arranged on the lower casing. The needle tube can pierce the fingertip through the piercing opening at the lower end of the lower shell; when pressing, the vacuum collection bottle is pressed down by the pressing device, and the support spring is first pressed down when the vacuum collection bottle is pressed down. Compress and expose the puncturing needle tube to puncture the puncture layer of the vacuum collection bottle; at the same time, the downward pressure of the support spring will form a downward pressure on the needle tube fixing member, which drives the blood collection needle tube to puncture the fingertip. The pressing spring is acted by the spring blocking plate, so that the needle tube fixing member is blocked, forming a puncture resistance, which will not cause too deep puncture compared with the finger; The end of the needle-breaking tube is located in the vacuum collection bottle after puncturing the puncture layer. Therefore, under the action of air pressure, the blood enters the vacuum collection bottle through the blood-collecting needle tube and the piercing true tube for collection. The fingertip is punctured, the blood after the puncture is easy to collect, and will not be exposed to the air, and has the advantages of simple operation, convenience, quickness, simplicity and lightness. In addition, the utility model also optimizes the structure of the pressing device, so that it can quickly bounce a certain distance after pressing, so that the blood collection needle tube does not cause pain to the user as much as possible, and blood can be collected. In the present embodiment, the structure between the rotating member and the vacuum collecting bottle is also arranged, so that the vacuum collecting bottle is very stable. By screwing the upper casing and the lower casing, it is convenient to disassemble and take out the vacuum collection bottle; by optimizing the material and structure of the finger sleeve, it is more comfortable.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the sectional structure schematic diagram of the present utility model;

3 is a schematic structural diagram of a pressing device;

Figure 4 is a schematic view of the structure of the saw.

1-finger sleeve; 2-pressing blood collection device; 3-upper shell; 4-lower shell; 5-instrument cavity; 6-pressing device, 7-vacuum collection bottle, 8-piercing layer, 9-spring barrier Plate, 10-displacement hole, 11-needle tube fixing piece, 12-blood collection needle tube, 13-piercing needle tube, 14-spring limit plate, 15-support spring, 16-pressing spring, 17-piercing opening, 18-center Through hole, 19-guide protrusion, 20-limit groove, 21-first camber angle, 22-second camber angle, 23-fixing hole, 24-inner corner, 25-guide groove, 26-press Pieces, 27-first bevel, 28-second bevel, 29-saw edge, 30-limiting strip, 31-rotating piece, 32-rotating strip, 33-fixing rod.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present utility model.

Example: A blood sampling device for blood glucose detection in endocrinology, as shown in Figure 1-2, includes a finger cover 1 for fixing fingers, the finger cover 1 is padded with a sponge of flexible material, and is made of transparent Made of glass. The finger cover 1 is provided with a pressing blood-taking device 2, and the finger cover 1 and the pressing blood-taking device 2 can be disassembled, wherein the pressing blood-taking device 2 is a disposable product, and the finger cover 1 can be used again after disinfection; The pressing blood-taking device 2 includes an upper casing 3 and a lower casing 4 that are fitted with each other through threads, the upper half of the upper casing 3 is thicker, and the lower half is thinner; the lower end surface of the lower casing 4 is is hemispherical. An instrument cavity 5 is arranged between the upper casing 3 and the lower casing 4 ; a pressing device 6 is arranged in the middle of the upper end of the upper casing 3 , and a vacuum collecting bottle located in the instrument cavity 5 is arranged below the pressing device 6 7. The vacuum collection bottle 7 is in the shape of a transparent glass bottle, and the interior is a vacuum environment, which can prevent the growth of bacteria, and the vacuum collection bottle will suck blood under the action of vacuum pressure after being connected with the needle tube that pierces the skin. The middle of the lower end of the vacuum collection bottle 7 is provided with a puncture layer 8. The puncture layer 8 is made of elastic film material, such as silica gel, which is easy to be punctured and the elastic effect of the material will not cause liquid leakage after the needle tube is pierced. The lower housing 4 is provided with a spring blocking plate 9, a displacement hole 10 is opened in the middle of the spring blocking plate 9, a needle tube fixing member 11 is arranged in the displacement hole 10, and a blood collection needle tube 12 is arranged in the middle of the lower end of the needle tube fixing member 11, The blood collection needle tube 12 is packaged aseptically; the middle of the upper end of the needle tube fixing member 11 is provided with a puncture needle tube 13 pointing to the puncture layer 8, and the length of the puncture needle tube 13 is less than the length of the support spring 15 in the pressurized state, greater than The length of the support spring 15 in a compressed state, and when the support spring 15 is compressed, the puncture needle tube 13 can puncture the puncture layer; the blood collection needle tube 12 and the puncture needle tube 13 are connected; the needle tube is fixed The upper end of the component 11 is also provided with a spring limit plate 14, and a plurality of support springs 15 are arranged between the spring limit plate 14 and the vacuum collection bottle 7; The upper end of the lower housing 4 is fixed with the lower end of the spring limiting plate 14 , and the lower end of the pressing spring 16 is fixed with the spring blocking plate 9 ; When using pressing, by fixing the finger in the finger cover 1, the finger cover 1 is provided with a pressing blood sampling device 2 for pressing and puncturing the finger to take blood, wherein the vacuum collection bottle 7 is pressed down by the pressing device 6 , when the vacuum collection bottle 7 is pressed down, a downward pressure is first formed on the support spring 15, and the support spring 15 compresses and exposes the puncturing needle tube 13 to puncture the puncture layer 8 of the vacuum collection bottle 7; at the same time, the support spring 15 Pressing down will form a downward pressure on the needle tube fixing member 11, which will drive the blood collection needle tube 12 to puncture the fingertip. At this time, the pressing spring 16 is affected by the spring blocking plate 9, so that the needle tube fixing member 11 is blocked, forming a puncture resistance, Compared with fingers, it will not cause too deep puncture; after puncture, because the blood collection needle tube 12 and the puncture needle tube 13 are connected, and the end of the puncture needle tube 13 is located in the vacuum collection bottle 7 after puncturing the puncture layer 8 Therefore, under the action of air pressure, the blood passes through the blood collection needle tube 12 and the puncture real tube into the vacuum collection bottle 7 for collection. After the blood is collected, release the pressing device 6, and the rebound force of the support spring 15 acts Then, the puncturing needle tube 13 is separated from the puncturing layer 8 of the vacuum collection bottle 7, and the puncturing layer 8 will not cause blood leakage due to the elastic effect of the material, and then the entire pressing blood-taking device 2 is turned upside down, and the upper casing 3 and The lower casing 4 is rotated open through the screw thread, then the vacuum collection bottle 7 is taken out, the puncture layer 8 is removed and the blood is poured out or the blood is drawn out by inserting a needle. Therefore, the utility model can quickly and accurately puncture the fingertip, the blood after the puncture is easy to collect, and will not be exposed to the air, and has the advantages of simple operation, convenience, quickness, simplicity and lightness.

Further, as shown in FIGS. 3-4 , the pressing device 6 includes a central through hole 18 arranged on the upper casing 3 , and the diameter of the central through hole 18 decreases sequentially from bottom to top; the central through hole 18 There are a plurality of guide protrusions 19 on the side wall of the guide protrusion 19, and a limit groove 20 is formed between the guide protrusions 19; the lower end of the guide protrusion 19 is provided with a first camber angle 21 and a second camber angle 22, An inner corner 24 is formed between the first camber angle 21 and the second camber angle 22; the guide protrusion 19 is provided with a guide groove 25 inside, and the opening of the guide groove 25 is provided with the inner corner 24 and the first camber. On the arc-shaped inclined surface common to the corners 21; the central through hole 18 is provided with a cylindrical pressing member 26, and the lower end of the pressing member 26 is annularly provided with a plurality of saw cuts formed by the first inclined surface 27 and the second inclined surface 28. 29; a plurality of vertical limit bars 30 are arranged on the side wall of the pressing member 26, and the limit bars 30 correspond to the saw cuts 29; the adjacent limit bars 30 are respectively arranged in the limit grooves 20 and guide groove 25; a rotating member 31 is arranged between the vacuum collection bottle 7 and the pressing member 26, a plurality of rotating bars 32 are annularly distributed on the rotating member 31, and the upper end surface of the rotating bar 32 is an arc-shaped inclined surface; the The rotating bar 32 is arranged in the inner corner or in the limiting groove. When not pressed, since the diameter of the central through hole 18 decreases sequentially from bottom to top and the pressing member 26 is cylindrical, the central through hole 18 limits the pressing member 26 so that it cannot move upward. At this time, the upper end surface of the rotating bar 32 on the rotating member 31 cooperates with the second inclined surface 28 of the corresponding saw edge 29 in the limiting groove 20 to form a limiting effect; The limit bar is used for limiting and guiding. After pressing, the pressing member 26 moves down, which drives the rotating member 31 to move down, so that the vacuum collection bottle 7 presses down the needle tube fixing member 11, and then pierces the fingertip; When the upper end surface of the rotating bar 32 is moved down from the limiting groove 20, since the upper end surface of the rotating bar 32 is an arc-shaped inclined surface, it will fit with the first arc angle 21 on the guide protrusion 19, and when pressing Under the action of the rebound force of the spring 16 and the support spring 15, the rotating member 31 moves upward, so that the rotating bar 32 moves up slightly along the first arc angle 21 and makes the rotating member 31 rotate. 24 is fixed when matched, and then blood collection is performed; after the blood collection is completed, the fingertip is pulled out from the finger cover 1, and the pressing member 26 is pressed down again, at this time, the second slope 28 of the saw 29 in the inner corner 24 is located. Drive the rotating bar 32 to move down, so that the rotating member 31 moves down; when the rotating bar 32 moves down until the upper end surface of the rotating bar 32 is separated from the side wall of the inner corner 24, under the action of the rebound force of the pressing spring 16 and the supporting spring 15, the rotation The member 31 moves upward, so that the rotating bar 32 moves up along the second camber angle 22 and makes the rotating member 31 rotate. When the rotating bar 32 moves up to the point of separation from the second camber angle 22, the rotating bar 32 enters the limit slot 20 Due to the upward movement of the pressing member 26, the upper end surface of the rotating bar 32 moves from the first inclined surface 27 of the saw 29 to fit and limit the second inclined surface 28, and the blood collection needle tube 12 is recovered into the lower housing 4 at this time. , to prevent the blood collection needle tube 12 from being exposed to the outside and cause a safety accident; while the blood collection needle tube 12 is recovered, the support spring 15 is restored to its original length, and the puncture needle tube 13 is separated from the puncture layer 8 of the vacuum collection bottle 7. Since the puncture layer 8 The elastic film material is used to heal itself quickly, thereby forming a nearly sealed structure to prevent the problem of contamination of the blood collected in the vacuum collection bottle 7 .

The lower end of the rotating member 31 is provided with a fixing rod 33; the upper end of the vacuum collection bottle 7 is provided with a fixing hole 23; the fixing rod 33 is arranged in the fixing hole 23 and forms an interference fit, so that the vacuum The collection bottle is very stable.

working principle:

When using pressing, by fixing the finger in the finger cover 1, the finger cover 1 is provided with a pressing blood sampling device 2 for pressing and puncturing the finger to take blood, wherein the vacuum collection bottle 7 is pressed down by the pressing device 6 , when the vacuum collection bottle 7 is pressed down, a downward pressure is first formed on the support spring 15, and the support spring 15 compresses and exposes the puncture needle tube 13 to puncture the puncture layer 17 of the vacuum collection bottle 7; at the same time, the support spring 15 Pressing down will form a downward pressure on the needle tube fixing member 11, which will drive the blood collection needle tube 12 to puncture the fingertip. At this time, the pressing spring 16 is affected by the spring blocking plate 9, so that the needle tube fixing member 11 is blocked, forming a puncture resistance, Compared with fingers, it will not cause too deep puncture; after puncture, because the blood collection needle tube 12 and the puncture needle tube 13 are connected, and the end of the puncture needle tube 13 is located in the vacuum collection bottle 7 after puncturing the puncture layer 8 Therefore, under the action of air pressure, the blood passes through the blood collection needle tube 12 and the puncture real tube into the vacuum collection bottle 7 for collection. After the blood is collected, release the pressing device 6, and the rebound force of the support spring 15 acts Then, the puncturing needle tube 13 is separated from the puncturing layer 8 of the vacuum collection bottle 7, and the puncturing layer 8 will not cause blood leakage due to the elastic effect of the material, and then the entire pressing blood-taking device 2 is turned upside down, and the upper casing 3 and The lower casing 4 is rotated open through the screw thread, then the vacuum collection bottle 7 is taken out, the puncture layer 8 is removed and the blood is poured out or the blood is drawn out by inserting a needle.

Claims (9)

1. A blood-taking device for blood glucose detection in endocrinology, characterized in that: comprising a finger cover (1) for fixing fingers, and a pressing blood-taking device (2) is provided on the finger cover (1); The blood device (2) includes an upper casing (3) and a lower casing (4) that cooperate with each other, and an instrument cavity (5) is arranged between the upper casing (3) and the lower casing (4); the upper casing A pressing device (6) is arranged in the middle of the upper end of the body (3), a vacuum collection bottle (7) located in the instrument cavity (5) is arranged below the pressing device (6), and a vacuum collection bottle (7) is arranged in the middle of the lower end of the body (7). A puncture layer (8); a spring blocking plate (9) is arranged in the lower casing (4), a displacement hole (10) is opened in the middle of the spring blocking plate (9), and a needle tube is arranged in the displacement hole (10). A fixing member (11), a blood collection needle tube (12) is arranged in the middle of the lower end of the needle tube fixing member (11); the blood collection needle tube (12) is communicated with the puncturing needle tube (13); the upper end of the needle tube fixing member (11) is also provided with a spring limiting plate (14), which is connected to the vacuum collection bottle (7) A plurality of support springs (15) are arranged between; the needle tube fixing member (11) is sleeved with a pressing spring (16), the upper end of the pressing spring (16) and the lower end of the spring limit plate (14) The lower end of the pressing spring (16) is fixed with the spring blocking plate (9); the lower end of the lower casing (4) is provided with a puncture opening (17). 2 . The blood sampling device for blood glucose detection in endocrinology department according to claim 1 , wherein the pressing device ( 6 ) comprises a central through hole ( 18 ) provided on the upper casing ( 3 ), and the central through hole The diameter of (18) decreases sequentially from bottom to top; a plurality of guide protrusions (19) are provided on the side wall of the central through hole (18), and a limit groove (20) is formed between the guide protrusions (19). ); the lower end of the guide protrusion (19) is provided with a first camber angle (21) and a second camber angle (22), the first camber angle (21) and the second camber angle (22) A built-in angle (24) is formed therebetween; a guide groove (25) is provided inside the guide protrusion (19), and the opening of the guide groove (25) is provided with a built-in angle (24) and a first camber angle (21). ) on the common arc-shaped inclined surface; the central through hole (18) is provided with a cylindrical pressing member (26), and the lower end of the pressing member (26) is annularly provided with a plurality of circularly formed by the first inclined surface (27) and the second A saw edge (29) formed by two inclined surfaces (28); a plurality of vertical limit bars (30) are arranged on the side wall of the pressing member (26), the limit bars (30) and the saw edge (29) Correspondingly; the adjacent limit bars (30) are respectively arranged in the limit groove (20) and the guide groove (25); there is a rotation between the vacuum collection bottle (7) and the pressing member (26) A plurality of rotating bars (32) are annularly distributed on the rotating member (31), and the upper end surface of the rotating bars (32) is an arc-shaped inclined surface; in the slot. 3. The blood sampling device for blood glucose detection in endocrinology department according to claim 2, characterized in that: the lower end of the rotating member (31) is provided with a fixed rod (33); The upper end is provided with a fixing hole (23); the fixing rod (33) is arranged in the fixing hole (23) and forms an interference fit. 4 . The blood sampling device for blood glucose detection in endocrinology department according to claim 1 , wherein the upper casing ( 3 ) and the lower casing ( 4 ) are screwed together. 5 . 5 . The blood sampling device for blood glucose detection in endocrinology department according to claim 1 , characterized in that: the material of the piercing layer ( 8 ) is an elastic film material. 6 . 6 . The blood sampling device for blood glucose detection in endocrinology department according to claim 5 , wherein the elastic membrane material is silica gel. 7 . 7 . The blood sampling device for blood glucose detection in endocrinology department according to claim 1 , characterized in that: the finger cover ( 1 ) is padded with a flexible material. 8 . 8 . The blood sampling device for blood glucose detection in endocrinology according to claim 7 , wherein the flexible material is sponge. 9 . 9 . The blood sampling device for blood glucose detection in endocrinology department according to claim 1 , wherein the finger cover is transparent. 10 .

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