CN213046904U - Telescopic puncture-preventing blood taking needle - Google Patents

Abstract

The utility model discloses a telescopic stab-resistant blood taking needle, which comprises a skin puncture needle, a protective cover and a blood taking bottle, wherein two sides of the protective cover are provided with T-shaped clamping grooves, the protective cover is movably connected with the skin puncture needle, the skin puncture needle extends to the inner side of the protective cover, the bottom of the skin puncture needle is fixedly provided with a needle tube mounting block, two sides of the needle tube mounting block are fixedly provided with fixed blocks, two sides of the fixed blocks are hinged with fixture blocks, the fixture blocks extend to the outer side of the protective cover through the T-shaped clamping grooves, the top of the needle tube mounting block is fixedly provided with a reset spring, and the reset spring is sleeved on the outer side of the skin puncture needle, the reset spring arranged in the utility model can lead the needle head to be always positioned at the inner side of the protective cover, even if the, the convenience of use of the device is improved.

Description

Telescopic puncture-preventing blood taking needle

Technical Field

The utility model relates to a blood sampling device, in particular to telescopic stab-resistant blood sampling needle belongs to medical instrument technical field.

Background

The blood taking needle is an instrument for collecting blood samples in the medical examination process, and consists of a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod, a protective sleeve is connected on the needle rod in a sliding way, a return spring is arranged between the protective sleeve and the needle rod, the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod, and the needle head is required to be sleeved with a needle sleeve to protect the needle head, for example, the needle head is prevented from being bent or collided, and the needle sleeve is easy to cause puncture danger when.

The existing puncture-proof measures are that a protective cover is fixedly installed on the outer side of a needle tube, the needle tube is contracted into the protective cover, a puncture needle slides out to puncture when needed, although the mode can effectively prevent puncture, the needle head can still slide out of the protective cover under an improper condition due to gravity or mistaken touch in the actual puncture process, and then mistakenly hurt a user, meanwhile, the needle tube needs to be fixed when the needle tube is used, the medical staff cannot penetrate into a human body by pressing the protective cover, but the needle tube is thin, and the operation of the medical staff is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic stab-resistant blood taking needle to the in-process of the actual puncture that proposes in solving above-mentioned background art still probably takes place the syringe needle because gravity or the reason that the mistake touched lead to roll-off in the middle of the improper circumstances under the protection casing, and but the needle tubing is more thin, has influenced the problem of medical staff's operation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a telescopic blood taking needle of preventing stabbing, includes skin pjncture needle, safety cover and bottle, the both sides of safety cover are provided with T shape draw-in groove, the safety cover passes through swing joint with the skin pjncture needle, and the skin pjncture needle extends to the inboard of safety cover, the bottom fixed mounting of skin pjncture needle has needle tubing installation piece, the both sides fixed mounting of needle tubing installation piece has the fixed block, the both sides of fixed block articulate there is the fixture block, the fixture block passes through the outside that T shape draw-in groove extended to the safety cover, the top fixed mounting of needle tubing installation piece has reset spring, and reset spring overlaps in the.

Preferably, the cross-under at heparin bottle top has the connecting block, the top fixed mounting of connecting block has the hose, the top cover of hose has hose connector, hose connector and the bottom fixed mounting of needle tubing installation piece.

Preferably, the top fixed mounting of bottle has sealed piece, the label is attached to one side of bottle, the front of bottle is provided with the scale mark.

Preferably, the bottom fixed mounting of connecting block has the heparin bottle pjncture needle, the outside cover of connecting block has the mounting panel, the bottom fixed mounting of mounting panel has fixed cover.

Preferably, the blood collection bottle is a vacuum blood collection tube.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a telescopic blood taking needle of preventing stabbing, can make the syringe needle be in the inboard of protective housing all the time through the reset spring who is provided with, even the syringe needle leads to the needle tube roll-off in the middle of the protection casing under improper circumstances because of gravity or mistake touching reason, reset spring still can withdraw the needle tube, avoid causing the accidental injury to the user, thereby can fix the skin pjncture needle at the effectual in-process of avoiding puncturing skin in T shape draw-in groove through the fixture block that is provided with simultaneously, need the emergence of medical staff direct use needle tube problem, the convenience that this device used has been improved.

2. The utility model relates to a telescopic blood taking needle of preventing stabbing can effectually protect the blood sampling bottle pjncture needle of this device bottom through the fixed cover that is provided with, prevents that the blood sampling bottle pjncture needle from being touched by personnel mistake, and causes the problem of accidental injury, and the label that is provided with can mark the blood sampling bottle to prevent the problem that many people's blood sampling is obscured.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the structure of the puncture needle of the present invention;

fig. 4 is the utility model discloses heparin tube connecting block structure sketch map.

In the figure: 1. a skin puncture needle; 2. a protective cover; 3. a hose; 4. connecting blocks; 5. a puncture needle of a blood collection bottle; 6. a sealing block; 7. a blood collection bottle; 8. a label; 9. scale lines; 10. a T-shaped clamping groove; 11. a return spring; 12. a needle tube mounting block; 13. a clamping block; 14. a fixed block; 15. a hose connector; 16. mounting a plate; 17. and fixing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a telescopic puncture-proof blood taking needle, which comprises a skin puncture needle 1, a protective cover 2 and a blood taking bottle 7, wherein two sides of the protective cover 2 are provided with T-shaped clamping grooves 10, the T-shaped clamping grooves 10 can be used for fixing the position of the existing clamping block 13, preventing the clamping block 13 from deviating and falling off, and fixing the clamping block 13 to prevent the self-movement, the protective cover 2 is movably connected with the skin puncture needle 1, the skin puncture needle 1 extends to the inner side of the protective cover 2, the bottom of the skin puncture needle 1 is fixedly provided with a needle tube mounting block 12, the needle tube mounting block 12 is used for fixedly mounting the skin puncture needle 1, so as to be used for mounting other devices, thereby two sides of the needle tube mounting block 12 are fixedly provided with fixing blocks 14, the fixing blocks 14 are used for mounting the clamping block, prevent that reset spring 11 from taking place the problem that drops, the both sides of fixed block 14 articulate has fixture block 13, through articulated mode installation, can stir fixture block 13 to make its fixture block 13 fix the one side at T shape draw-in groove 10, thereby prevent that fixture block 13 from sending out gliding problem by oneself, fixture block 13 extends to the outside of safety cover 2 through T shape draw-in groove 10, the top fixed mounting of needle tubing installation piece 12 has reset spring 11, and reset spring 11 can make skin pjncture needle 1 be in the inboard of protective housing all the time, even the syringe needle leads to the roll-off in the middle of the protective cover of needle under improper circumstances because of gravity or the reason that the mistake touched, and reset spring 11 still can withdraw the needle tubing, avoids causing the accidental injury to the user, and reset spring 11 covers in the outside of skin pjncture.

Further, the interlude at 7 tops of heparin bottle has connecting block 4, and connecting block 4 is used for connecting 7 and skin puncture needle 1 of heparin bottle to guarantee that blood gets into 7 middle authorities of the heparin bottle, the top fixed mounting of connecting block 4 has hose 3, and hose 3 increases the flexibility of skin puncture needle 1, makes things convenient for the doctor to operate, the top cover of hose 3 has hose connector 15, and hose connector 15 is used for fixed mounting hose 3, hose connector 15 and the bottom fixed mounting of needle tubing installation piece 12.

Further, top fixed mounting of heparin bottle 7 has sealed piece 6, and sealed piece 6 seals heparin bottle 7, prevents in the middle of debris entering the heparin bottle, one side of heparin bottle 7 is attached to have label 8, and label 8 can mark the heparin bottle to prevent the problem that many people's blood sampling mixes, the front of heparin bottle 7 is provided with scale mark 9.

Further, the bottom fixed mounting of connecting block 4 has a heparin bottle pjncture needle 5, and heparin bottle pjncture needle 5 is used for the sealed piece 6 at puncture heparin bottle 7 top, send blood into in the middle of 7 heparin bottle, the outside cover of connecting block 4 has mounting panel 16, the bottom fixed mounting of mounting panel 16 has fixed cover 17, and fixed cover 17 protects heparin bottle pjncture needle 5, prevents that heparin bottle pjncture needle 5 from accidentally injuring the personnel.

Further, the blood sampling bottle 7 adopts a vacuum blood sampling tube, so that the purity of blood sampling can be effectively guaranteed, and other substances are prevented from polluting blood and influencing a blood detection result.

During the specific use, place this device in suitable position department earlier, insert in the middle of the blood sampling bottle 7 with blood sampling bottle pjncture needle 5 in the middle of connecting block 4, then release skin pjncture needle 1 through fixture block 13 in the middle of the T shape draw-in groove 10 of safety cover 2 both sides, rotate one side restriction to T shape draw-in groove 10 with fixture block 13 again, the accessible simultaneously takes safety cover 2 and can operate skin pjncture needle 1, can pull back the normal position with fixture block 13 after the use is accomplished can.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A telescopic puncture-proof blood taking needle is characterized by comprising a skin puncture needle (1), a protective cover (2) and a blood taking bottle (7), t-shaped clamping grooves (10) are arranged on two sides of the protective cover (2), the protective cover (2) is movably connected with the skin puncture needle (1), and the skin puncture needle (1) extends to the inner side of the protective cover (2), the bottom of the skin puncture needle (1) is fixedly provided with a needle tube mounting block (12), fixed blocks (14) are fixedly arranged on two sides of the needle tube mounting block (12), clamping blocks (13) are hinged to two sides of the fixing block (14), the clamping blocks (13) extend to the outer side of the protective cover (2) through the T-shaped clamping grooves (10), the top of the needle tube mounting block (12) is fixedly provided with a return spring (11), and the return spring (11) is sleeved on the outer side of the skin puncture needle (1).

2. A retractable stab-resistant blood lancet according to claim 1, wherein: the cross-under at heparin bottle (7) top has connecting block (4), the top fixed mounting of connecting block (4) has hose (3), the top cover of hose (3) has hose connector (15), hose connector (15) and the bottom fixed mounting of needle tubing installation piece (12).

3. A retractable stab-resistant blood lancet according to claim 1, wherein: the top fixed mounting of heparin bottle (7) has sealed piece (6), one side of heparin bottle (7) is attached has label (8), the front of heparin bottle (7) is provided with scale mark (9).

4. A retractable stab-resistant blood lancet according to claim 2, wherein: the bottom fixed mounting of connecting block (4) has heparin bottle pjncture needle (5), the outside cover of connecting block (4) has mounting panel (16), the bottom fixed mounting of mounting panel (16) has fixed cover (17).

5. A retractable stab-resistant blood lancet according to claim 1, wherein: the blood collection bottle (7) adopts a vacuum blood collection tube.

Images