CN211024530U - Nondestructive puncture needle head of blood transfusion device - Google Patents
Nondestructive puncture needle head of blood transfusion device Download PDFInfo
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- CN211024530U CN211024530U CN201921149527.5U CN201921149527U CN211024530U CN 211024530 U CN211024530 U CN 211024530U CN 201921149527 U CN201921149527 U CN 201921149527U CN 211024530 U CN211024530 U CN 211024530U
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Abstract
The utility model belongs to the technical field of blood transfusion device, more specifically relates to a blood transfusion ware puncture needle of not damaged. Including pipe, hand protector, limit structure, leading-in structure and the syringe needle that switches on according to the preface, the syringe needle includes puncture portion and water conservancy diversion portion, water conservancy diversion portion is equipped with the water conservancy diversion hole, and with leading-in structural connection, the flat structure of puncture portion for keeping away from leading-in structure, just the edge of flat structure is the arc. The edge is curved flat structure puncture needle can insert the blood transfusion bag easily and connect, but can not puncture the blood transfusion bag to can ensure blood safety, accomplish patient's blood transfusion treatment smoothly, the clinical use of being convenient for, the arc edge of flat structure can avoid impaling the blood transfusion bag and stabbing the nurse simultaneously, has improved the safety in utilization of the blood transfusion ware puncture needle of not damaged.
Description
Technical Field
The utility model belongs to the technical field of blood transfusion device, more specifically relates to a blood transfusion ware puncture needle of not damaged.
Background
Transfusion refers to a treatment method of infusing blood into a patient intravenously, and is widely used clinically. The current clinical routine of indirect venous transfusion procedures is: the transfusion bag is hung on a transfusion stand, a transfusion device plastic side hole needle head punctures from bottom to top, a centralized breakthrough force exists when the transfusion device needle head punctures, the needle point rising speed is high, the transfusion bag is in a point fixed state after being hung, and the force and the direction are not easy to control. The existing puncture needle for blood transfusion bags is a slender sharp plastic needle (as shown in fig. 1), and the puncture force and direction are not easy to be mastered, so that the following problems may occur:
1. in the using process, the transfusion bag is easy to be pierced due to personal experience of an operator, environment and other factors, so that blood pollution is caused, a patient cannot be treated in time, and the treatment opportunity is delayed.
2. The sharp puncture needle head is easy to stab nurses to cause medical injuries, and if a blood transfusion bag is punctured to cause blood leakage, psychological dissatisfaction of patients and family members is easy to cause, and even medical disputes are caused. The above situations easily cause economic loss and psychological shadow to the nurses and waste of blood sources.
In order to solve the above problems, some hospitals currently make the regulations of blood transfusion operation from management means, such as placing a treatment disc on a treatment trolley, placing a blood transfusion bag in the treatment disc horizontally and at a position higher than a venipuncture part, pulling off a protective cap, pinching the outer wall of a pipeline by using a left index finger and a thumb, holding a needle by using a right hand, enabling an inclined plane to face upwards, and spirally pushing a needle stem along a plastic lumen. However, in this method, the space between the two layers of the blood transfusion bag is reduced because the blood transfusion bag is laid flat, and if the angle of the needle point and the angle of the connecting port are not parallel when the needle is penetrated, the force is not properly controlled, and the blood transfusion bag is easy to puncture.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the background art, there is a need to provide a non-invasive blood transfusion puncture needle, which enables most of the professionally trained medical personnel to smoothly puncture the puncture needle into a blood transfusion bag without puncturing the blood transfusion bag, thereby greatly reducing the probability of medical accidents that the blood transfusion bag is punctured and delays the time for treatment.
For realizing above-mentioned purpose, the inventor provides a blood transfusion ware puncture syringe needle of not damaged, including pipe, hand protector, limit structure, leading-in structure and the syringe needle of putting through according to the preface, its characterized in that, the syringe needle includes puncture portion and water conservancy diversion portion, water conservancy diversion portion is equipped with the water conservancy diversion hole, and with leading-in structural connection, the puncture portion is for keeping away from the flat structure of leading-in structure, just the edge of flat structure is the arc.
Different from the prior art, the technical scheme at least has the following beneficial effects:
the edge is curved flat structure puncture needle can insert the blood transfusion bag easily and connect, but can not puncture the blood transfusion bag to can ensure blood safety, accomplish patient's blood transfusion treatment smoothly, the clinical use of being convenient for, the arc edge of flat structure can avoid impaling the blood transfusion bag and stabbing the nurse simultaneously, has improved the safety in utilization of the blood transfusion ware puncture needle of not damaged.
Drawings
FIG. 1 is a schematic view of a puncture needle of a blood transfusion apparatus according to the background art;
FIG. 2 is a side view of a atraumatic blood delivery device spike tip according to embodiments of the present disclosure;
FIG. 3 is a front view of a atraumatic blood set puncture needle according to embodiments;
FIG. 4 is a side view of another atraumatic blood delivery device spike according to embodiments.
Description of reference numerals:
10. a needle head; 20. introducing a structure; 30. a limiting structure; 40. protecting hands; 50. a conduit; 101. a puncture section; 102. a flow guide part; 1021. and (4) flow guide holes.
Detailed Description
The following describes in detail the non-invasive puncture needle of the blood transfusion device provided by the utility model.
The utility model provides a blood transfusion ware puncture syringe needle of not damaged, includes pipe, hand protector, limit structure, leading-in structure and the syringe needle that switches on according to the preface, wherein, the syringe needle includes puncture portion and water conservancy diversion portion, water conservancy diversion portion is equipped with the water conservancy diversion hole, and with leading-in structural connection, the puncture portion is for keeping away from the flat structure of leading-in structure, just the edge of flat structure is the arc.
The utility model provides a blood transfusion device puncture needle head, its pipe, hand protector, limit structure, introduction structure and syringe needle are coaxial. The puncture part and the flow guide part of the pillow can be integrally formed and can also be designed to be detachably connected, but the integrally formed design is preferred. The puncture part is different from the existing plastic sharp thorn shape and is designed into a flat structure with an arc-shaped edge, so that the linear pressure applied by the puncture part to the single point of the blood transfusion bag is reduced. Under the condition that hand strength is the same when trained qualified technicians operate, the same force can only enable the puncture part to puncture a diaphragm of the blood transfusion bag, but cannot puncture the blood transfusion bag from inside to outside, so that blood leaks or punctures the technicians.
Further, the cross-sectional area of the puncturing part, which decreases gradually in a direction away from the introduction structure, affects the effective force application during the blood transfusion operation by the technician.
Further, for convenient operation, the external diameter of hand protector, limit structure, introduction structure and syringe needle reduces in proper order. Specifically, the outer diameters of the hand guard, the limiting structure, the leading-in structure and the needle head are not limited by the size, the outer diameters of the hand guard and the limiting structure are convenient for a technician to operate with one hand, and the outer diameters of the leading-in structure and the needle head are required to meet the medical requirements for setting the blood transfusion technical indexes.
Furthermore, the length of the needle head along the puncture direction is designed to be 3-5cm, because the currently used blood transfusion bag is thin and flexible, the connecting part is short, the thickness of the main body is 0.02cm, and the length of the connecting port is about 2.8-3.5 cm.
Furthermore, the length of the puncture part along the puncture direction is 0.3-1cm, and the length of the flow guide part along the puncture direction is 2.7-4.7 cm. The utility model provides a puncture part is a semiellipse shape, can understand that its radius of curvature is less, applys same power, and its pressure to the blood transfusion bag just is less, and radius of curvature is bigger, applys same power, and its pressure to the blood transfusion bag just is bigger. Correspondingly, when the length of the needle head is constant, the shorter the puncture part is in the puncture direction, the larger the curvature radius is, and the longer the flow guide part is, whereas the longer the puncture part is in the puncture direction, the smaller the curvature radius is, and the shorter the flow guide part is. However, if the puncture part is continuously lengthened along the puncture direction, the curvature radius is as small as that of the conventional puncture needle, which may cause the accidents of blood leakage and medical staff puncture when the blood transfusion bag is punctured.
As a further improvement of the utility model, the cross section of the puncture part has a bending radian. The design further ensures that after the blood transfusion bag penetrates through the connecting port of the blood transfusion bag, the hand pressure is quickly reduced when being transmitted to the inner side of the blood transfusion bag through the puncture part, so that blood leakage caused by continuous puncture of the blood transfusion bag is avoided.
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present application.
The background art provides a non-invasive blood transfusion apparatus puncture needle head as shown in fig. 1, which comprises a catheter 50, a hand guard 40, a limiting structure 30, a guiding structure 20 and a needle head 10 which are sequentially communicated, wherein the needle head 10 comprises a puncture part 101 and a flow guiding part 102, the flow guiding part 102 is provided with a flow guiding hole 1021 and is communicated with the guiding structure 20, and the puncture part 101 is a sharp structure far away from the guiding structure 20.
Referring to fig. 2 and 3, fig. 2 is a side view of a non-invasive blood transfusion apparatus puncture needle according to an embodiment of the present invention, which includes a conduit 50, a hand guard 40, a limiting structure 30, a guiding structure 20 and a needle 10 connected and conducted in sequence, wherein the needle 10 includes a puncture portion 101 and a guiding portion 102, the guiding portion 102 is provided with a guiding hole 1021 and is conducted with the guiding structure 20, and the puncture portion 101 is a flat structure far away from the guiding structure 20. FIG. 3 shows a front view of the atraumatic hemorrhaging instrument spike of the present embodiment, as seen from the figure, the flat structure has an arcuate edge.
In a further improved embodiment, the cross-sectional area of the puncture part of the atraumatic blood transfusion device puncture needle gradually decreases along the direction away from the leading-in structure.
In a further improved embodiment, the outer diameters of the hand guard, the limiting structure, the guiding structure and the needle head are sequentially reduced.
In a further improved embodiment, the length of the needle in the puncture direction is 3-5 cm.
In a further improved embodiment, the puncture part has a length of 0.3-1cm in the puncture direction, and the guide part has a length of 2.7-4.7cm in the puncture direction.
Referring to fig. 4, in a further modified embodiment, the section of the puncturing part has a curvature, which is not limited in particular, but is not too curved to make puncturing impossible, and preferably less than 30 °.
Adopt the utility model provides a blood transfusion ware puncture syringe needle of not damaged carries out the during operation, hangs the blood transfusion bag on infusion support earlier, and the junction department of blood transfusion bag is being held to the left hand, and the forefinger of right hand, middle finger cooperation thumb hold the blood transfusion ware puncture syringe needle hand protector of not damaged, and selected puncture position pierces rapidly. It should be noted that, when a puncture needle (fig. 4) of a further improved design is used, it is preferable to align the curved portion (the arching position) of the puncture needle rather than the needle tip with the blood bag connection port, and to quickly puncture the selected puncture site.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a blood transfusion ware puncture syringe needle of not damaged, includes pipe, hand protector, limit structure, leading-in structure and the syringe needle of putting through according to the preface, its characterized in that, the syringe needle includes puncture portion and water conservancy diversion portion, water conservancy diversion portion is equipped with the water conservancy diversion hole, and with leading-in structural connection switches on, the flat structure of puncture portion for keeping away from leading-in structure, just the edge of flat structure is the arc.
2. The atraumatic blood transporter puncture needle of claim 1, wherein the cross-sectional area of the puncture portion decreases in a direction away from the introducer.
3. The atraumatic blood transfusion puncture needle of claim 1, wherein the outer diameters of the hand guard, the stop structure, the lead-in structure and the needle decrease in order.
4. The atraumatic blood transporter puncture needle of claim 1, wherein the length of the needle in the puncture direction is 3-5 cm.
5. The atraumatic blood transfusion puncture needle of claim 4, wherein the length of the puncture portion in the puncture direction is 0.3-1cm, and the length of the flow guide portion in the puncture direction is 2.7-4.7 cm.
6. The atraumatic blood transporter puncture needle of any of claims 1-5, wherein the puncture section has a curved curvature in cross-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149527.5U CN211024530U (en) | 2019-07-22 | 2019-07-22 | Nondestructive puncture needle head of blood transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149527.5U CN211024530U (en) | 2019-07-22 | 2019-07-22 | Nondestructive puncture needle head of blood transfusion device |
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| Publication Number | Publication Date |
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| CN211024530U true CN211024530U (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921149527.5U Active CN211024530U (en) | 2019-07-22 | 2019-07-22 | Nondestructive puncture needle head of blood transfusion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813761A (en) * | 2023-02-20 | 2023-03-21 | 四川大学华西医院 | Puncture-proof blunt needle of syringe for extracting liquid medicine and use method thereof |
-
2019
- 2019-07-22 CN CN201921149527.5U patent/CN211024530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813761A (en) * | 2023-02-20 | 2023-03-21 | 四川大学华西医院 | Puncture-proof blunt needle of syringe for extracting liquid medicine and use method thereof |
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