CN217244405U

CN217244405U - Hemostix capable of automatically collecting blood

Info

Publication number: CN217244405U
Application number: CN202220126976.3U
Authority: CN
Inventors: 马克
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2022-08-23
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a hemostix that can automatic blood sampling, its technical scheme main points are: the blood collecting device comprises a blood collecting head and a blood collecting needle fixed at the end part of the blood collecting head, wherein one end of the blood collecting head, which is different from the end connected with the blood collecting needle, is connected with a vacuum blood collecting tube through a hose, the blood collecting head is movably arranged in a protective shell, a spring is fixedly connected between one end of the blood collecting head, which is far away from the blood collecting needle, and the end wall of the protective shell, the outer side surface of the blood collecting head is fixedly provided with at least two elastic clamps, and the elastic clamps are symmetrically arranged relative to the axis of the blood collecting head; the outer side surface of the protective shell is provided with a limiting hole corresponding to the elastic card, and the pressing cap is movably connected with the limiting hole; the lateral surface of protecting crust has seted up the spout, and the shifting block passes through the fixed lateral surface that sets up at the blood sampling head of spout, and the shifting block slides and sets up the lateral surface at the protecting crust. The utility model discloses a blood taking needle can be retracted into the protecting crust, increases the security of this device.

Description

Hemostix that can automatic blood sampling

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a hemostix that can automatic blood sampling.

Background

Blood sampling is an important means of modern medical examination, and a medical clinical laboratory puts collected blood on examination equipment after blood sampling from a human body, detects corresponding data of the blood and provides corresponding scientific basis for medical treatment. The shallow vein that lies in the body surface is mostly adopted in blood sampling of vein, can adopt modes such as elbow vein, back of the hand vein, ankle vein or femoral vein to take a blood sample, and the most commonly used is back of the hand vein blood sampling, often has blood inspection, chemical examination and sampling in clinical laboratory of hospital and blood sampling mechanism, and these all need be accomplished with the blood taking needle, and the blood taking needle is the hemostix of commonly used.

Refer to current publication number CN 212489904U's chinese patent, it discloses an automatic hemostix, including heparin tube, save rubber tube, sealed package and drainage tube, the internally mounted of heat preservation rubber tube has the save rubber tube, the rubber buffer is installed to the top gomphosis of heat preservation rubber tube, the internally mounted of rubber buffer has a set of gas column, the drainage tube is installed to the top of rubber buffer, there is heparin tube the top of drainage tube through hose connection, the surface seal who preserves the rubber tube installs the sealed package, and the inside packing of sealed package has nitrogen gas.

Above-mentioned automatic hemostix is through installing the sealed package, and sealed package is inside to be deposited the required disinfection of using of blood sampling work and equips and the label, can effectively solve the not enough problem of relevant medical equipment when outdoor blood sampling, and sealed package is inside to be filled in addition has the inactive nitrogen gas of chemical property, equips and the label equips the inside disinfection of sealed package and has formed fine guard action, guarantees that it can normal use when carrying out the blood sampling work for the shelf life of sealed package obtains the extension. However, the automatic blood sampling device still has some disadvantages, such as: the needle of the existing hemostix is usually covered by a sleeve, the sleeve is taken off during use, the sleeve of the used hemostix is usually directly discarded, the needle is inconvenient to cover again, and the needle of the hemostix can be exposed outside and easily pricks others, thereby causing potential safety hazards.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a hemostix that can automatic blood sampling to the sleeve pipe of the hemostix that mentions in solving the background art often directly abandons, and it is more troublesome to sheathe the syringe needle once more, and the syringe needle of hemostix can expose outside, stabs other people's problem easily.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a hemostix capable of automatically collecting blood comprises a blood collecting head and a blood collecting needle fixed at the end part of the blood collecting head, wherein one end of the blood collecting head, which is different from the end connected with the blood collecting needle, is connected with a vacuum blood collecting tube through a hose, the blood collecting head is movably arranged in a protective shell, a spring is fixedly connected between one end of the blood collecting head, which is far away from the blood collecting needle, and the end wall of the protective shell, at least two elastic clamps are fixedly arranged on the outer side surface of the blood collecting head, and the elastic clamps are symmetrically arranged about the axis of the blood collecting head; a limiting hole corresponding to the elastic card is formed in the outer side surface of the protective shell, and the pressing cap is movably connected with the limiting hole; the lateral surface of protective housing has seted up the spout, and the shifting block passes through the spout is fixed to be set up the lateral surface of blood sampling head, the shifting block slides and sets up the lateral surface of protective housing.

Furthermore, a flow rate regulator is arranged between the protective shell and the vacuum blood collection tube, and the flow rate regulator is arranged on the outer side surface of the hose.

Through adopting above-mentioned technical scheme, flow rate regulator can be applicable to the blood sampling object of different age brackets through the flow velocity of position control blood in the hose of adjusting the gyro wheel.

Further, the hose is close to the one end fixedly connected with bottle plug puncture of vacuum test tube, the bottle plug puncture passes the bottle plug of vacuum test tube and set up in the vacuum test tube.

Through adopting above-mentioned technical scheme, the tip of bottle plug puncture is very sharp, can puncture the bottle plug of vacuum blood sampling pipe, can make blood pass through the hose and get into the intraductal preservation of vacuum blood sampling.

Furthermore, the outer side of the protective shell is fixedly provided with a medical adhesive tape at a position close to the blood taking needle, and the medical adhesive tape is arranged on different sides of the shifting block.

By adopting the technical scheme, the medical adhesive tape on the protective shell is convenient for fixing the protective shell on the wrist of a blood sampling object, so that the working time of medical staff is saved, and the adhesive tape does not need to be cut and wound outside in extra time.

Furthermore, a sealing film is fixedly arranged at a port of one end of the protective shell close to the blood taking needle.

Through adopting above-mentioned technical scheme, the seal membrane can prevent that external bacterium or dust from getting into the protecting crust and polluting the blood taking needle, also can distinguish whether this device used through observing whether the seal membrane is damaged simultaneously, prevents that same device repetitious usage from resulting in cross infection.

Furthermore, the surface of the shifting block is provided with anti-skid lines.

Through adopting above-mentioned technical scheme, the friction that anti-skidding line can increase this piece of shifting block and user's finger is convenient for stir the shifting block, and is more laborsaving.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model drives the blood sampling head to move in the protective shell by stirring the shifting block, so that the blood sampling needle extends out of the protective shell, the end part of the elastic clamp is in the position of the limiting hole and is clamped in the limiting hole, the pressing cap is ejected out of the limiting hole, and the blood sampling needle is fixed at the moment; after the blood sampling is accomplished, the finger is pressed and is pressed the press cap, elasticity card and spacing hole separation, and the blood sampling head contracts under the contractile action of spring and contracts for the blood sampling needle gets back to the inside of protecting crust again, and the blood sampling needle can not expose externally, has increased the security of this device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a diagram illustrating a natural contraction state of the spring according to the embodiment of the present invention;

fig. 3 is a schematic structural view of a shifting block in the embodiment of the present invention;

fig. 4 is a schematic structural view of a medical adhesive tape in an embodiment of the present invention;

fig. 5 is an enlarged view of a point a in fig. 1.

In the figure: 1. a protective shell; 2. blood sampling head; 3. a blood collection needle; 4. an elastic card; 5. a limiting hole; 6. pressing the cap; 7. a spring; 8. a hose; 9. a flow rate regulator; 10. a vacuum blood collection tube; 11. puncturing a bottle stopper; 12. shifting blocks; 13. a chute; 14. a medical adhesive tape; 15. and (5) sealing the film.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example 1

Referring to fig. 1-5, a hemostix capable of automatically collecting blood comprises a blood collecting head 2 and a blood collecting needle 3 fixed at the end of the blood collecting head 2, wherein the blood collecting needle 3 can be inserted into a vein of a blood collecting object, one end of the blood collecting head 2 different from the end connected with the blood collecting needle 3 is connected with a vacuum blood collecting tube 10 through a hose 8, the vacuum blood collecting tube 10 automatically sucks blood into the vacuum blood collecting tube 10 by using negative pressure, the blood collecting head 2 is movably arranged in a protective shell 1, the blood collecting head 2 can move in the protective shell 1, a spring 7 is fixedly connected between one end of the blood collecting head 2 far away from the blood collecting needle 3 and the end wall of the protective shell 1, the spring 7 is in a natural contraction state, and the blood collecting needle 3 is completely arranged in the protective shell 1; the outer side surface of the blood collection head 2 is fixedly provided with at least two elastic clamps 4, the elastic clamps 4 are symmetrically arranged about the axis of the blood collection head 2, and the elastic clamps 4 have elasticity and can elastically expand in the direction away from the blood collection head 2; the outer side surface of the protective shell 1 is provided with a limiting hole 5 corresponding to the elastic card 4, the pressing cap 6 is movably connected with the limiting hole 5, and the pressing cap 6 can move in the limiting hole 5; the spout 13 has been seted up to the lateral surface of protecting crust 1, and shifting block 12 passes through the fixed lateral surface that sets up at blood sampling head 2 of spout 13, and shifting block 12 slides and sets up the lateral surface at protecting crust 1, stirs shifting block 12 and can drive blood sampling head 2 and remove in protecting crust 1, and spout 13 gives the space that shifting block 12 removed.

Specifically, referring to fig. 1 and 2, a flow rate regulator 9 is disposed between the protective shell 1 and the vacuum blood collection tube 10, the flow rate regulator 9 is disposed on the outer side surface of the flexible tube 8, and the flow rate regulator 9 can control the flow rate of blood in the flexible tube 8 by adjusting the position of the roller, so that the vacuum blood collection tube is suitable for blood collection objects of different ages.

Specifically, referring to fig. 1 and 2, one end of the flexible tube 8 close to the vacuum blood collection tube 10 is fixedly connected with a stopper puncture 11, the stopper puncture 11 penetrates through the stopper of the vacuum blood collection tube 10 and is arranged in the vacuum blood collection tube 10, the end of the stopper puncture 11 is very sharp, which can puncture the stopper of the vacuum blood collection tube 10, and blood can enter the vacuum blood collection tube 10 through the flexible tube 8 for preservation.

Specifically, referring to fig. 3 and 4, a medical adhesive tape 14 is fixedly arranged on the outer side surface of the protective shell 1 at a position close to the blood collection needle 3, and the medical adhesive tape 14 arranged on the protective shell 1 is convenient for fixing the protective shell 1 on the wrist of a blood collection object, so that the working time of medical staff is saved, and the external adhesive tape is not required to be cut and wound in extra time; the medical adhesive tapes 14 are arranged on different sides of the shifting block 12, so that the shifting block 12 is prevented from being pressed on the wrist when the medical adhesive tapes 14 are fixed, and the operation of the shifting block 12 is prevented from being interfered.

Specifically, referring to fig. 1 and 2, a sealing film 15 is fixedly arranged at a port of one end of the protective shell 1 close to the blood collection needle 3, the sealing film 15 can prevent external bacteria or dust from entering the protective shell 1 to pollute the blood collection needle 3, and can also distinguish whether the device is used or not by observing whether the sealing film 15 is damaged or not, so that the cross infection caused by multiple uses of the same device can be prevented.

Specifically, referring to fig. 3, the surface of the shifting block 12 is provided with anti-slip lines, and the anti-slip lines can increase the friction between the shifting block 12 and the fingers of the user, so that the shifting block 12 can be conveniently shifted, and labor is saved.

In the working process, when blood is collected, the shifting block 12 is shifted to drive the blood collection head 2 to move in the protective shell 1, so that the spring 7 is stretched, the elastic clamp 4 is opened towards the direction far away from the blood collection head 2 at the position where the elastic clamp 4 reaches the limiting hole 5, the end part of the elastic clamp 4 is clamped with the limiting hole 5, and the blood collection needle 3 extends to the outside of the protective shell 1 and is fixed; the blood collection needle 3 is inserted into a vein of a blood collection subject, the device is fixed on the wrist of the blood collection subject by a medical adhesive tape 14, and the vacuum blood collection tube 10 sucks automatic blood into the vacuum blood collection tube 10 by the negative pressure principle; after the blood sampling is finished, the blood taking needle 3 is extracted, the pressing cap 6 is pressed to separate the elastic clamp 4 from the limiting hole 5, the blood sampling head 2 retracts under the contraction action of the spring 7, the blood taking needle 3 is completely retracted into the protective shell 1, the blood taking needle 3 is prevented from being exposed in the air, and potential safety hazards are prevented from being caused.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A hemostix capable of automatically collecting blood comprises a blood collecting head (2) and a blood collecting needle (3) fixed at the end part of the blood collecting head (2), wherein one end of the blood collecting head (2) different from the end connected with the blood collecting needle (3) is connected with a vacuum blood collecting tube (10) through a hose (8), the hemostix is characterized in that the blood collecting head (2) is movably arranged in a protective shell (1), a spring (7) is fixedly connected between one end of the blood collecting head (2) far away from the blood collecting needle (3) and the end wall of the protective shell (1), at least two elastic cards (4) are fixedly arranged on the outer side surface of the blood collecting head (2), and the elastic cards (4) are symmetrically arranged about the axis of the blood collecting head (2); a limiting hole (5) corresponding to the elastic card (4) is formed in the outer side surface of the protective shell (1), and a pressing cap (6) is movably connected with the limiting hole (5); a sliding groove (13) is formed in the outer side face of the protective shell (1), a shifting block (12) is fixedly arranged on the outer side face of the blood sampling head (2) through the sliding groove (13), and the shifting block (12) is arranged on the outer side face of the protective shell (1) in a sliding mode.

2. A device according to claim 1, wherein a flow rate regulator (9) is provided between the protective casing (1) and the vacuum blood collection tube (10), and the flow rate regulator (9) is provided on the outer side of the tube (8).

3. A device according to claim 1, wherein a stopper puncture (11) is fixedly connected to the end of the flexible tube (8) close to the vacuum blood collection tube (10), and the stopper puncture (11) passes through the stopper of the vacuum blood collection tube (10) and is disposed in the vacuum blood collection tube (10).

4. A hemostix according to claim 1, characterized in that a medical adhesive tape (14) is fixedly arranged on the outer side surface of the protective shell (1) near the blood collection needle (3), and the medical adhesive tapes (14) are arranged on different sides of the shifting block (12).

5. A device according to claim 1, wherein a sealing membrane (15) is fixedly arranged at the port of the protective casing (1) near one end of the blood collection needle (3).

6. A lancing device according to claim 1, wherein the surface of the said pick (12) is provided with anti-slip lines.