Peripheral hemostix with positioning structure

Abstract

The utility model relates to the technical field of medical instruments, and discloses a tip hemostix with a positioning structure, which comprises a shell, a blood sampling part and a hemostasis part, the blood sampling part comprises a pressing plate, the bottom of the pressing plate is provided with a limiting column, the shell is internally provided with an annular bulge II, the annular bulge II is provided with an inner wall II, the limiting column can slide in a way of being attached to the inner wall II, and the hemostasis part is provided with a positioning structure. A first annular protrusion is arranged on the outer side of the second annular protrusion, a first inner wall is arranged at the axis position of the inner wall of the first annular protrusion, a sampling cutter body is inserted into the bottom of the limiting column, a sliding groove is formed in the top of the first annular protrusion, a limiting block is arranged on the pressing plate, the hemostasis part comprises a hollow pipe, and a disinfection position and a hemostasis position are arranged in the hollow pipe. A finger is punctured through the sampling cutter body, the second inner wall can limit a certain direction of a limiting column, meanwhile, a limiting block on a pressing plate can be limited in a sliding groove, the sampling cutter body is prevented from rotating around the axis of a button, and a second annular protrusion can limit the descending height of the pressing plate and prevent the sampling cutter body from excessively puncturing.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, and it is a peripheral blood collector with positioning structure. BACKGROUND

[0002] The peripheral blood collection refers to the blood collection of the peripheral part of the patient to replace the venous blood when the venous blood collection is inconvenient or cannot be collected due to some special reasons, and the peripheral blood collection usually selects the part with rich capillary blood and good circulation, such as the finger, earlobe, thumb heel of the foot of the infant, the most common part of the peripheral blood collection in clinic is the finger and earlobe, the cooperation degree of the adult is higher during the examination, and the blood collection is preferably the venous blood collection, while the self-control and cooperation degree of the child are relatively low, and the blood vessel is relatively small, so the child adopts the peripheral blood collection mode to carry out the medical examination.

[0003] According to the touch pressure type peripheral blood collector (the authorized announcement number is CN109512439B) disclosed by the patent network, the blood collection device includes a blood collection needle, a T-shaped supporting member and a cylindrical slider, the slider is slidably installed in the cavity, the bottom of the slider is provided with an inwardly convex boss, the bottom of the boss is attached with a medical blood collection test paper, the horizontal part of the supporting member is inserted into the slider and is connected with the slider, and the supporting member can slide in the vertical direction in the slider, and the vertical part of the supporting member extends out of the cavity.

[0004] According to the above description, the following problems exist:

[0005] During the use of the utility model, the blood collection device includes a blood collection needle, a T-shaped supporting member and a cylindrical slider, the slider is slidably installed in the cavity, the bottom of the slider is provided with an inwardly convex boss, the T-shaped supporting member in the prior art is easy to drive the blood collection needle to rotate in the cylindrical slider, when the blood collection needle rotates, the person being bled feels pain, therefore, the peripheral blood collector with the positioning structure needs to be improved to solve the above problems. Utility model content

[0006] In order to overcome the problem that the T-shaped supporting member in the prior art is easy to drive the blood collection needle to rotate in the cylindrical slider, when the blood collection needle rotates, the person being bled feels pain.

[0007] The utility model discloses a technical scheme for a distal end blood sampler with a positioning structure, which comprises a shell, a blood sampling part and a hemostasis part arranged inside the shell.

[0008] Preferably, a ring-shaped cavity can be formed between the ring-shaped protrusion one and the ring-shaped protrusion two on the inner side of the shell, a spring can be placed inside the ring-shaped cavity, one side of the spring is attached to the inside of the shell, and the other side of the spring is attached to the push plate, and the spring can lift the push plate in the axial direction of the ring-shaped protrusion two.

[0009] Preferably, the top of the shell is attached with an upper cover by glue, and a push hole corresponding to the button is arranged on the upper cover.

[0010] Preferably, the bottom of the shell is provided with medical blood sampling paper below the sampling knife body, the medical blood sampling paper can be punctured by the sampling knife body, and the medical blood sampling paper can absorb blood.

[0011] Preferably, the bottom of the shell is provided with lower protrusions corresponding to the two sides of the shell in the length direction, the side of each lower protrusion facing the middle part of the shell is provided with a slot, the two slots can clamp a pressing plate, the pressing plate is elastic, the edge of the medical blood sampling paper is adhered to the edge of the pressing plate, the center of the pressing plate is provided with an avoiding hole, and the sampling knife body can move downward along the axis of the inner wall two and pass through the avoiding hole.

[0012] Preferably, the inside of the shell is separated by a baffle, the baffle is perpendicular to the length direction of the shell, the side of the baffle away from the ring-shaped protrusion one is provided with a hollow tube, the shell comprises a plug hole corresponding to the hollow tube, and the plug hole can be inserted with a finger.

[0013] Preferably, the side of the hollow tube close to the plug hole is a disinfection site, the side of the hollow tube away from the plug hole is a hemostasis site, medical disinfection cotton is attached to the wall of the disinfection site, and medical hemostasis cotton is inserted into the inside of the hemostasis site.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model discloses a T-shaped supporting component is in the cylindrical slider, and the sampling cutter body of blood sampling part is used to puncture the human finger, and the inner wall two can limit the certain direction of the limiting column, prevent the sampling cutter body from producing the swing when puncturing, make the person who is bled feel very painful, and the limiting block on the pressing plate can be limited in the sliding slot simultaneously, prevent the sampling cutter body from rotating around the axis of button, reduce the person who is bled because the sampling cutter body rotates in the fingertip and produces the pain, and the annular protrusion two can limit the falling height of the pressing plate, prevent the sampling cutter body from excessive puncture. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is whole structure schematic diagram of the utility model;

[0017] Figure 2 It is pressing hole structure schematic diagram of the utility model;

[0018] Figure 3 It is limiting block structure schematic diagram of the utility model;

[0019] Figure 4 It is hollow pipe structure schematic diagram of the utility model;

[0020] Figure 5 It is insertion slot structure schematic diagram of the utility model.

[0021] In the drawing: 1, shell;11, lower lug;111, insertion slot;12, insertion hole;13, upper cover;131, pressing hole;14, baffle;15, annular protrusion one;151, inner wall one;152, sliding slot;16, annular protrusion two;161, inner wall two;17, hollow pipe;171, disinfection position;172, hemostasis position;2, pressing plate;21, avoiding hole;3, medical blood sampling paper;4, pressing plate;41, button;42, limiting block;43, limiting column;44, sampling cutter body;5, spring. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings and examples.

[0023] Please refer to Figure 1 - Figure 5The utility model provides a kind of embodiment: the distal end blood collector with positioning structure, including shell 1, blood collection part is equipped in the inside of shell 1, hemostasis part, blood collection part includes press plate 4, the bottom of press plate 4 is equipped with limit post 43, annular protrusion two 16 is equipped in the inside of shell 1, the axis position of annular protrusion two 16 inner wall is equipped with inner wall two 161, limit post 43 can be attached to inner wall two 161 sliding, the outside of annular protrusion two 16 is coaxially equipped with annular protrusion one 15, the height of annular protrusion one 15 is higher than annular protrusion two 16, the axis position of annular protrusion one 15 inner wall is equipped with inner wall one 151, press plate 4 moves in inner wall one 151, limit post 43 bottom is inserted with sampling knife body 44, the top of annular protrusion one 15 is equipped with two vertical downward sliding slot 152, press plate 4 is equipped with limit block 42 corresponding with sliding slot 152, hemostasis part includes hollow tube 17, and hollow tube 17 is equipped with disinfection site 171, hemostasis site 172, and sampling knife body 44 of blood collection part is pierced to human finger, inner wall two 161 can limit limit post 43 certain direction, prevent sampling knife body 44 from producing wobble when puncture, make the person who is bled to feel very painful, limit block 42 on press plate 4 can be limited in sliding slot 152 simultaneously, prevent sampling knife body 44 from rotating around the axis of button 41, reduce the pain of the person who is bled because sampling knife body 44 rotates in fingertip, annular protrusion two 16 can limit the drop height of press plate 4, prevent sampling knife body 44 from excessive puncture.

[0024] Please refer to Figure 1 - Figure 4 In the embodiment, annular cavity can be formed between annular protrusion one 15 and annular protrusion two 16 on the inside of shell 1, spring 5 can be placed in the annular cavity, one side of spring 5 is attached to the inside of shell 1, the other side of spring 5 is attached to press plate 4, spring 5 can lift press plate 4 along the axial direction of annular protrusion two 16, spring 5 is blocked by annular protrusion two 16, to prevent dirt on spring 5 from contaminating the blood sample to be tested after puncture through inner wall two 161, spring 5 can lift press plate 4 upward, so that sampling knife body 44 can rebound immediately after puncture, upper cover 13 is attached to the top of shell 1 by glue, press hole 131 corresponding to button 41 is provided on upper cover 13, upper cover 13 can be detached from shell 1 after heating by heat gun, which is convenient for inspection and maintenance, and can be used again after deep cleaning, protecting ecological resources, medical blood collection paper 3 is provided below sampling knife body 44 on the bottom of shell 1, medical blood collection paper 3 can be punctured by sampling knife body 44, medical blood collection paper 3 can absorb blood, blood flowing out from the punctured fingertip is absorbed by medical blood collection paper 3, reducing waste caused by incomplete blood absorption, and reducing pain caused by manual scraping of blood on the wound.

[0025] Please refer to Figure 2 -Figure 5 In the embodiment, the bottom of the shell 1 is provided with lower protrusions 11 corresponding to the two sides of the length direction of the shell 1, the side of the lower protrusions 11 towards the middle part of the shell 1 is provided with insertion slots 111, the two insertion slots 111 can clamp the pressing plate 2, the pressing plate 2 has elasticity, the edge of the medical blood sampling paper 3 is adhered to the edge of the pressing plate 2, the center position of the pressing plate 2 is provided with an avoiding hole 21, the sampling cutter body 44 can move downwards along the axis of the inner wall two 161 to pass through the avoiding hole 21, the pressing plate 2 is installed in the insertion slot 111 through the elastic deformation of the pressing plate 2, the pressing plate 2 is pressed against the medical blood sampling paper 3, the falling of the medical blood sampling paper 3 is prevented, the edge of the medical blood sampling paper 3 is adhered to the edge of the pressing plate 2, the integration is achieved, the possibility of the falling of the medical blood sampling paper 3 is reduced, the inside of the shell 1 is separated by the baffle 14, the baffle 14 is perpendicular to the length direction of the shell 1, the side of the baffle 14 away from the annular protrusion one 15 is provided with a hollow tube 17, the shell 1 includes an insertion hole 12 corresponding to the hollow tube 17, the insertion hole 12 can insert the finger, the hollow tube 17 forms a semi-closed cavity through the baffle 14, the over displacement of the articles in the hollow tube 17 by the finger is prevented, the insertion hole 12 can insert the finger to be bled, the side of the hollow tube 17 close to the insertion hole 12 is a disinfection position 171, the side of the hollow tube 17 away from the insertion hole 12 is a hemostasis position 172, medical disinfection cotton is adhered to the tube wall of the disinfection position 171, medical hemostatic cotton is plugged in the inside of the hemostasis position 172, the finger to be bled is disinfected through the medical disinfection cotton, when the finger passes through the disinfection position 171 to reach the hemostasis position 172, the medical hemostatic cotton plugged in the inside of the hemostasis position 172 can press and hemostasis the wounded position.

[0026] In the working process, the medical staff first presses the avoiding hole 21 against the fingertip to be punctured, at this time the position of the avoiding hole 21 and the skin is opposite, when the avoiding hole 21 slightly moves, it can drive the skin to move together, then press the button 41, the button 41 drives the pressing plate 4 to press downwards together with the sampling cutter body 44, the sampling cutter body 44 first pierces the medical blood sampling paper 3 and then pierces the finger, when the button 41 is pressed, it is immediately released, at this time the spring 5 pushes against the pressing plate 4, the button 41 is reset, the medical staff continues to hold the shell 1, slightly extrudes the wounded position of the finger, makes the blood fully contact with the medical blood sampling paper 3, then pulls down the pressing plate 2 together with the medical blood sampling paper 3 from the side of the shell 1 in the width direction and places it in the storage box, then takes a plastic plate as large as the pressing plate 2 and continues to insert it in the insertion slot 111, prevents the button 41 from being pressed unintentionally to cause the sampling cutter body 44 to protrude out of the shell 1, finally the medical staff inserts the insertion hole 12 into the finger to be bled, the finger to be bled passes through the disinfection position 171, the medical disinfection cotton of the disinfection position 171 disinfects the wound, the finger continues to pass into the hemostasis position 172, the medical hemostatic cotton plugged in the inside of the hemostasis position 172 extrudes the wound to hemostasis.

[0027] Through the above steps, the sampling cutter body 44 of the blood sampling part pricks the human finger, the inner wall two 161 can limit the direction of the limiting column 43, prevent the sampling cutter body 44 from shaking when puncturing, make the person being bled feel very painful, the limiting block 42 on the pressing plate 4 can be limited in the sliding groove 152, prevent the sampling cutter body 44 from rotating around the axis of the button 41, reduce the pain of the person being bled because the sampling cutter body 44 rotates in the fingertip, the annular protrusion two 16 can limit the descending height of the pressing plate 4, prevent the sampling cutter body 44 from excessive puncture, solve the problem that the T-shaped supporting member in the prior art easily drives the blood sampling needle to rotate in the cylindrical sliding block, when the blood sampling needle rotates, the person being bled feels pain.

[0028] The embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A lancet with a positioning structure, characterized in that: The shell is internally provided with a blood sampling part and a hemostasis part, the blood sampling part comprises a pressing plate, the bottom of the pressing plate is provided with a limiting column, the inside of the shell is provided with an annular protrusion two, the inside wall of the annular protrusion two is provided with an inside wall two at the axial position, the limiting column can slide along the inside wall two, the outside of the annular protrusion two is coaxially provided with an annular protrusion one, the height of the annular protrusion one is higher than that of the annular protrusion two, the inside wall of the annular protrusion one is provided with an inside wall one at the axial position, the pressing plate moves in the inside wall one, the bottom of the limiting column is provided with a sampling knife body, the top of the annular protrusion one is provided with two vertical downward sliding grooves, the pressing plate is provided with a limiting block corresponding to the sliding grooves, the hemostasis part comprises a hollow tube, the hollow tube is internally provided with a disinfection position and a hemostasis position.

2. The lancet with positioning structure according to claim 1, characterized in that: A ring-shaped cavity can be formed between the annular protrusion one and the annular protrusion two on the inside of the shell, a spring can be placed in the ring-shaped cavity, one side of the spring is attached to the inside of the shell, the other side of the spring is attached to the pressing plate, the spring can lift the pressing plate along the axial direction of the annular protrusion two.

3. The lancet with positioning structure according to claim 2, characterized in that: The top of the shell is attached with an upper cover by glue, the upper cover is provided with a pressing hole corresponding to the button.

4. The lancet with positioning structure according to claim 2, wherein: The bottom of the shell is provided with medical blood sampling paper below the sampling knife body, the medical blood sampling paper can be punctured by the sampling knife body, and the medical blood sampling paper can absorb blood.

5. The lancet with positioning structure according to claim 3, wherein: The bottom of the shell is provided with lower protrusions corresponding to the two sides of the length direction of the shell, one side of the lower protrusions towards the middle part of the shell is provided with a slot, the two slots can clamp a pressing plate, the pressing plate is elastic, the edge of the medical blood sampling paper is adhered to the edge of the pressing plate, the center position of the pressing plate is provided with an avoiding hole, the sampling knife body can move downwards along the axis of the inside wall two and pass through the avoiding hole.

6. The lancet with positioning structure according to claim 2, wherein: The inside of the shell is separated by a baffle, the baffle is perpendicular to the length direction of the shell, one side of the baffle away from the annular protrusion one is provided with a hollow tube, the shell comprises a insertion hole corresponding to the hollow tube, the insertion hole can insert a finger.

7. The lancet with positioning structure according to claim 6, characterized in that: One side of the hollow tube close to the insertion hole is a disinfection position, one side of the hollow tube away from the insertion hole is a hemostasis position, medical disinfection cotton is attached to the wall of the disinfection position, medical hemostasis cotton is inserted into the inside of the hemostasis position.

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