CN210204748U - Connect and keep somewhere needle type safety hemostix - Google Patents

Abstract

The utility model discloses a connect and keep somewhere needle type safety hemostix, including the pjncture needle that sheath, the sheath inner chamber tip of grafting negative pressure heparin tube arranged and pjncture needle tip turn-on connection's hose, the pjncture needle sheath has been arranged to the pjncture needle outer loop, hose tip has been arranged and has been kept somewhere the needle joint, public thread gluing area and female thread gluing area have been arranged to the hose outer loop. The utility model has novel structure, can reduce the puncture times through the retaining needle joint with screw thread, relieve the pain of the sick children and reduce the incidence rate of the puncture injury of medical staff and patients; a safer and more sterile operation area is provided by using the negative pressure blood collection tube sheath; the puncture needle sheath can prevent the puncture needle from being polluted by contacting with air, and the negative pressure blood collection tube sheath and the puncture needle sheath can protect medical staff doubly to prevent the puncture needle from hurting; and finally, the male fastening tape and the female fastening tape are used as the hose intercepting structure, so that the damage to the hose can be effectively avoided.

Description

Connect and keep somewhere needle type safety hemostix

Technical Field

The utility model relates to the technical field of medical treatment, concretely relates to connect and keep somewhere needle type safety hemostix.

Background

The venous indwelling needle consists of a stainless steel needle core, a soft outer sleeve and a plastic needle seat; an infusion tool for puncturing a blood vessel with an outer cannula and a stylet during puncture, withdrawing the stylet after the cannula is fed into the blood vessel, and only leaving the soft outer cannula in the blood vessel for infusion.

When a patient is subjected to blood sampling based on an indwelling needle, a valve cap of the indwelling needle needs to be pressed down, then a blood sampling syringe is inserted into a valve of the indwelling needle for blood sampling, and then the blood sample of the syringe is injected into a blood sampling test tube; therefore, in the prior art, blood collection is performed based on an indwelling needle, the operation is complex and tedious, a plurality of operation steps are needed, the needle tube can be pulled out and inserted only by applying proper force with both hands in the operation process, the needle tube at the other end cannot be closed, and the cooperation operation of more than one medical personnel is needed, meanwhile, the medical personnel are easily stabbed by the needle tube, the complex and tedious operation steps and the existence of the two needle tubes invisibly increase the workload and psychological burden of the medical personnel, especially, error operation is easily generated under the conditions that a sick child cries, is unconscious, restlesss, is not suitable for operation and large range of limb movement, and the damage caused by the operation is almost unavoidable, so that the operation is not suitable for long-term development and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect and keep somewhere needle type safety hemostix, keep somewhere needle joint, negative pressure heparin tube and to the adjustment to the mode of damming through the setting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a connect and keep somewhere needle type safety hemostix, includes that the pjncture needle and the hose of pjncture needle tip turn-on connection that sheath, the sheath inner chamber tip of grafting negative pressure heparin tube arranged, the pjncture needle sheath has been arranged to the pjncture needle outer loop, hose tip has been arranged and has been kept somewhere the needle joint, public thread gluing area and female thread gluing area have been arranged to the hose outer loop.

As a further aspect of the present invention: the axial length L1 of the inner cavity of the sheath and the axial length L2 of the negative pressure blood collection tube satisfy the following conditions: L1/L2 is more than or equal to 0.25 and less than or equal to 0.35.

As a further aspect of the present invention: the sheath is made of transparent PVC plastic.

As a further aspect of the present invention: the puncture needle sheath is made of latex.

As a further aspect of the present invention: the inner wall of the indwelling needle joint is provided with a threaded ring.

As a further aspect of the present invention: the length L3 and the thickness L4 of the male fastening tape and the female fastening tape are respectively the same, L3 is not less than 10mm and not more than 15mm, L4 is not less than 1mm and not more than 2mm, and the distance L5 between the male fastening tape and the female fastening tape meets the following requirements: l5 is more than or equal to 3mm and less than or equal to 5 mm.

As a further aspect of the present invention: the male thread gluing belt and the female thread gluing belt are annular, and the male thread gluing belt and the female thread gluing belt are mutually bonded with the contact wall of the hose.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses novel structure, through the reducible puncture number of times of taking the screwed needle joint of staying, alleviate infant's misery, reduce medical staff and patient's acupuncture incidence rate, utilize the sheath can prevent that the pjncture needle from stabbing medical personnel, provide more safe aseptic operation area simultaneously, the pjncture needle sheath can avoid pjncture needle and air contact to receive the pollution, and pjncture needle after the parcel can reduce the injury of syringe needle to medical personnel, utilize public thread gluing area and female thread gluing area to replace the hose card that dams of current structure at last, the damage that the card that can effectually avoid current structure led to the fact the hose, and the realization mode in thread gluing area is comparatively simple, the cost of realization is lower, the convenience of its operation will be superior to current structure, can improve blood sampling efficiency to a certain extent.

Drawings

FIG. 1 is a schematic view of the overall structure of a safety blood collector with an indwelling needle;

FIG. 2 is a schematic drawing showing the dimensions of a safety blood collector connected with an indwelling needle;

in the figure: 1-protective sleeve, 2-puncture needle, 3-hose, 4-puncture needle protective sleeve, 5-indwelling needle joint, 6-male magic tape and 7-female magic tape.

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, in an embodiment of the present invention, an indwelling needle type safety blood collector includes a sheath 1 for inserting a negative pressure blood collection tube, a puncture needle 2 disposed at an end of an inner cavity of the sheath, and a hose 3 in communication connection with an end of the puncture needle, wherein an indwelling needle joint 5 disposed at an end of the hose is connected to a liquid outlet of the indwelling needle, and a threaded ring is disposed on an inner wall of the indwelling needle joint 5, so that the indwelling needle joint 5 is suitable for a closed straight type, a closed Y type or a safe indwelling needle, and the needle joint is free from puncturing frequency, so as to alleviate pain of a child patient and reduce incidence rate of needle stick injuries of medical staff;

when the disposable blood sampling tube is used, after the indwelling needle is connected by the indwelling needle connector 5, the negative pressure blood sampling tube is arranged in the inner cavity of the sheath 1, and the colloid at the end part of the negative pressure blood sampling tube penetrates through the puncture needle 2, the negative pressure blood sampling tube can directly take blood, medical personnel can be prevented from being punctured by the puncture needle 2 by utilizing the sheath 1, a safer and more aseptic operation area is provided, the puncture needle sheath 4 is arranged on the outer ring of the puncture needle, the puncture needle sheath 4 is made of latex, the latex has better flexibility, the puncture needle 2 can be prevented from being polluted by contacting with air, meanwhile, the injury of the needle head to the medical personnel can be reduced by the puncture needle 2 after being wrapped, and the purpose of multiple protection is;

as shown in fig. 2, the axial length L1 of the lumen of the sheath 1 and the axial length L2 of the vacuum blood collection tube satisfy: L1/L2 is more than or equal to 0.25 and less than or equal to 0.35, the sheath 1 is made of transparent PVC plastic, and on the premise of not influencing the operation convenience and observation of inserting the negative pressure blood sampling tube, the axial length L1 of the inner cavity of the sheath 1 is limited, so that the negative pressure blood sampling tube forms a certain included angle with the opening at the end part of the sheath 1 in an inclined state, and the negative pressure blood sampling tube can be prevented from sliding off;

as shown in fig. 1 and 2, the hose outer ring is arranged with a male fastening strip 6 and a female fastening strip 7, and the length L3 and the thickness L4 of the male fastening strip 6 and the female fastening strip 7 are respectively the same, wherein: l3 is more than or equal to 10mm and less than or equal to 15mm, L4 is more than or equal to 1mm and less than or equal to 2mm, the magic tapes with different specifications are selected according to the length and the thickness of the corresponding hose 3, the male magic tape 6 and the female magic tape 7 can be smoothly fastened and separated, and meanwhile, the distance L5 between the male magic tape 6 and the female magic tape 7 meets the following requirements: l5 is more than or equal to 3mm and less than or equal to 5mm, the distance L5 between the male fastening tape 6 and the female fastening tape 7 is determined according to the corresponding thickness of the hose 3, and the bent point of the hose 3 is ensured to realize the flow breaking after the male fastening tape 6 and the female fastening tape 7 are fastened together;

at last, the male thread gluing belt 6 and the female thread gluing belt 7 are annular, the contact walls of the male thread gluing belt 6 and the female thread gluing belt 7 and the hose 3 are mutually bonded, the implementation modes of the male thread gluing belt 6 and the female thread gluing belt 7 are simpler, the implementation cost is lower, the operation is more convenient, when the negative pressure blood sampling tube needs to be replaced, the male thread gluing belt 6 and the female thread gluing belt 7 are mutually bonded, the hose 3 is stretched after the replacement is finished, so that the male thread gluing belt 6 and the female thread gluing belt 7 are mutually separated, the damage of a card of the existing structure to the hose can be effectively avoided, and the blood sampling efficiency is improved.

The utility model discloses novel structure, when using, through taking the screwed reducible puncture number of times of keeping somewhere the needle joint, alleviate infant's misery, reduce medical staff or patient's acupunture incidence, utilize the sheath can prevent that the pjncture needle from stabbing medical personnel, provide safer aseptic operating area simultaneously, the pjncture needle sheath can avoid pjncture needle and air contact to receive the pollution, and pjncture needle after the parcel can reduce the injury of syringe needle to medical personnel, utilize public thread gluing area and female thread gluing area to replace the hose card that dams of current structure at last, can effectually avoid the damage that the card of current structure led to the fact the hose, and the realization mode in thread gluing area is comparatively simple, the cost of realization is lower, the convenience of its operation will be superior to current structure, can improve blood sampling efficiency to a certain extent.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a connect and keep somewhere needle type safety hemostix, is based on pjncture needle (2), its characterized in that: the device also comprises a sheath (1) for inserting the negative pressure blood collection tube, a hose (3) and an indwelling needle joint (5);

one end, namely the end part I, of the hose (3) is fixed and communicated with the puncture needle (2), and the other end, namely the end part II, of the hose (3) is fixed and communicated with the indwelling needle joint (5);

a puncture needle sheath (4) is closely arranged outside the puncture needle (2);

a sheath (1) for inserting a negative pressure blood collection tube is sleeved outside the second end part of the hose (3);

and a male fastening tape (6) and a female fastening tape (7) are arranged on the outer ring of the hose.

2. The safety blood collector connected with indwelling needle according to claim 1, wherein the axial length L1 of the inner cavity of the sheath (1) and the axial length L2 of the negative pressure blood collecting tube satisfy the following conditions: L1/L2 is more than or equal to 0.25 and less than or equal to 0.35.

3. The safety blood collector connected with an indwelling needle according to claim 1, wherein the sheath (1) is made of transparent PVC plastic.

4. An indwelling needle type safety blood collector as claimed in claim 1, wherein the puncture needle sheath (4) is a latex sheath.

5. A safety blood collector connected with indwelling needle according to claim 1, wherein the indwelling needle connector (5) has a threaded ring on its inner wall.

6. The safety blood collector with the indwelling needle according to claim 1, wherein the length L3 and the thickness L4 of the male fastening tape (6) and the female fastening tape (7) are respectively the same, and L3 is not less than 10mm and not more than 15mm, L4 is not less than 1mm and not more than 2mm, and the distance L5 between the male fastening tape (6) and the female fastening tape (7) is satisfied as follows: l5 is more than or equal to 3mm and less than or equal to 5 mm.

7. The safety blood collector with indwelling needle according to claim 1, wherein: the male fastening tape (6) and the female fastening tape (7) are annular, and the male fastening tape (6) and the female fastening tape (7) are mutually bonded with the contact wall of the hose (3).

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