CN217244403U

CN217244403U - Double-wing type blood drawing needle

Info

Publication number: CN217244403U
Application number: CN202220790289.1U
Authority: CN
Inventors: 周琳
Original assignee: Childrens Hospital of Zhejiang University School of Medicine
Current assignee: Childrens Hospital of Zhejiang University School of Medicine
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-23
Anticipated expiration: 2032-04-07

Abstract

The utility model belongs to the technical field of medical instrument, in particular to biplane formula bloodletting needle. Including the plane stationary vane, slip propelling movement wing and transfusion needle, the transfusion needle that is provided with on the plane stationary vane and communicate each other, the transfusion needle can be around rotatory and rotation angle between 0 to 45 with the fixed wing junction in plane, and slip propelling movement wing sliding connection is on the plane stationary vane, forms the centre gripping space of a convenient operation between slip propelling movement wing and the fixed wing plane stationary vane in plane, and this centre gripping space contained angle is 45. Has the advantage of increasing the success rate of puncture.

Description

Double-wing type blood drawing needle

Technical Field

The utility model belongs to the technical field of medical instrument, in particular to biplane formula bloodletting needle.

Background

The blood taking needle is an instrument for collecting blood samples in the medical examination process and comprises 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, and the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod.

However, the conventional lancet has a low puncture success rate in blood collection.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a biplane formula blood drawing needle convenient to operation.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a biplane formula needle of bleeding, including the plane fixed wing, slip propelling movement wing and transfusion needle, the transfusion needle that is provided with on the plane fixed wing and communicate each other, transfusion needle can surround rotatory and rotation angle between 0 to 45 with the plane fixed wing junction, slip propelling movement wing sliding connection is on the plane fixed wing, form the centre gripping space of a convenient operation between slip propelling movement wing and the plane fixed wing, this centre gripping space contained angle is 45.

The working principle of the utility model is as follows; when the infusion needle is not used, the sliding pushing wing is kept to completely slide into the plane fixed wing, and the infusion needle and the plane fixed wing are adjusted to be in the same straight line. When using, earlier according to the blood vessel orientation and the position of blood sampling position, contained angle between adjustment transfusion needle and the plane stationary vane, the centre gripping space of convenient operation is passed through staff's finger, make things convenient for medical personnel to hold and snatch the power of giving first place to, later finger presss from both sides tight slip propelling movement wing, pierce the transfusion needle patient blood vessel, later will slide the propelling movement wing and slide the stationary vane of plane, leave the stationary vane of plane and transfusion needle in the internal infusion or the blood sampling operation that carries on of patient, increase the puncture success rate.

In the double-wing blood drawing needle, the bottom of the plane fixed wing is provided with a cambered surface with the radian of 5 pi/6.

In the above double-wing type blood drawing needle, the plane fixing wing comprises a plane placing wing and a sliding support rod, and the sliding support rod is fixedly connected to the plane placing wing.

In the double-wing type blood drawing needle, the middle part of the sliding pushing wing is arranged in the through groove, and the sliding support rod slides in the through groove.

In the double-wing blood drawing needle, the sliding pushing wing is made of soft plastic materials.

In foretell two wing formula bloodletting needles, the transfusion needle include the transfusion syringe needle and connect the gum cover, connect the equipartition on the gum cover 62 inner wall and have a plurality of steel wires, connect the gum cover rigid coupling and place between the wing at transfusion syringe needle and plane, transfusion syringe needle cross section front end is provided with 30 contained angles.

In the double-wing type blood drawing needle, the connecting rubber sleeve is made of natural rubber materials.

In the above-mentioned biplane formula bloodletting needle, still include the heat insulating mattress, the heat insulating mattress rigid coupling is in the bottom that the wing was placed to the plane.

In the double-wing type blood drawing needle, the bottom of the heat insulation pad is polished.

In the double-wing type blood drawing needle, the double-wing type blood drawing needle further comprises a catheter connector which is fixedly connected to the right end of the plane placing wing and communicated with the plane placing wing.

Compared with the prior art, the utility model has the advantages of increase the success rate of puncture.

Drawings

Fig. 1 is an overall view of the present invention.

Fig. 2 is another perspective view of the overall view of the present invention.

In the figure, a plane fixed wing 1; a planar placement wing 11; a slide strut 12; an infusion needle 6; a transfusion needle 61; a connecting rubber sleeve 62; a heat insulating pad 3; a conduit connector 4.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in the figures 1-2 of the drawings,

in further detail, the double-wing type blood drawing needle comprises a plane fixed wing 1, a sliding pushing wing 2 and an infusion needle 6, wherein the infusion needle 6 is arranged on the plane fixed wing 1 and is communicated with the plane fixed wing 1, the infusion needle 6 can rotate around the joint with the plane fixed wing 1, the sliding pushing wing 2 is connected on the plane fixed wing 1 in a sliding manner, a clamping space convenient to operate is formed between the sliding pushing wing 2 and the plane fixed wing 1, the included angle of the clamping space is 45 degrees,

in the non-use state, the sliding pushing wing 2 is kept to completely slide into the plane fixed wing 1, and the infusion needle 6 and the plane fixed wing 1 are in the same straight line;

pass the centre gripping space of convenient operation through staff's finger when using, before the needle insertion, confirm the vascular shape and the orientation of infusion position earlier, later corresponding contained angle between through adjustment transfusion needle 6 and the fixed wing 1 of plane, make medical personnel arm be in the horizontality when the needle insertion, will exert oneself more easily, can reduce the degree of difficulty of needle insertion when drawing blood effectively, later press from both sides tight slip propelling movement wing 2 through the finger, use transfusion needle 6 orientation to carry out the position of infusing, carry out to pierce transfusion needle 6 patient's blood vessel, later with slip propelling movement wing 2 roll-off plane fixed wing 1, leave plane fixed wing 1 and transfusion needle 6 in the patient and carry out lasting infusion or blood sampling operation, through handheld slip propelling movement wing 2 when the infusion, make transfusion needle 6 pierce in the patient, increase the success rate of puncturing.

In further detail, the bottom of the plane fixed wing 1 is provided with a cambered surface with radian of 5 pi/6, so that when the plane fixed wing 1 and the infusion needle 6 are left on the body of a patient, better fitting performance can be realized, and the patient feels more comfortable.

In further detail, the plane fixed wing 1 comprises a plane placing wing 11 and a sliding support rod 12, the sliding support rod 12 is fixedly connected to the plane placing wing 11, the sliding support rod 12 limits the sliding position of the sliding pushing wing 2, the front end of the plane placing wing 11 is exposed in the air in a certain area after the sliding pushing wing 2 is scratched, and the plane fixing wing can be preliminarily fixed through pasting an adhesive tape at the exposed position after a needle is pricked.

In more detail, the middle part of the sliding pushing wing 2 is arranged in the through groove, and the sliding support rod 12 slides in the through groove.

It is further said that the sliding pushing wing 2 adopts soft plastic materials, can produce deformation when the finger presss from both sides tight sliding pushing wing 2 both sides, make the staff confirm whether to press from both sides tight sliding pushing wing 2 through the deformation volume.

It is further said that infusion needle 6 include infusion syringe needle 61 and connection gum cover 62, the equipartition has a plurality of steel wires on the connection gum cover 62 inner wall, it places between wing 11 at infusion syringe needle 61 and plane to connect the gum cover 62 rigid coupling, infusion syringe needle 61 cross section front end is provided with 30 contained angles, the contained angle that infusion syringe needle 61 front end set up and be provided with a plurality of steel wires that have plasticity on connecting the gum cover 62 inner wall can guarantee more smoothly when the human body, be provided with many steel wires in the connection gum cover 62 of infusion syringe needle 61 and the fixed wing 1 junction of plane, before the prick needle, just can change the contained angle of infusion syringe needle 61 and the fixed wing 1 of plane through connecting gum cover 62, the condition when so making the angle of pricking needle be fit for pricking the needle, the medical personnel of being convenient for have an effect, make the operation of pricking needle more convenient.

In further detail, the connecting rubber sleeve 62 is made of natural rubber, so that the connecting rubber sleeve 62 can wrap the infusion needle 61 well.

Further saying in detail still includes heat insulating mattress 3, and heat insulating mattress 3 rigid coupling is in the plane bottom of placing wing 11, and heat insulating mattress 3's setting can be placed wing 11 and patient skin isolation with the plane, prevents that the plane from placing wing 11 and patient's temperature difference, causes the patient uncomfortable.

In a further elaboration, the bottom of the heat insulation pad 3 is polished, so that the contact friction coefficient of the heat insulation pad 3 and the skin of the patient is reduced, the speed of pulling out the infusion needle 61 is increased due to less friction, and the pain of the patient is reduced.

The infusion apparatus further comprises a conduit connector 4, wherein the conduit connector 4 is fixedly connected and communicated with the right end of the plane placing wing 11, so that the normal operation of infusion is ensured.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although a large number of terms are used herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A biplane formula blood drawing needle which characterized in that: including plane stationary vane (1), slip propelling movement wing (2) and transfusion needle (6), transfusion needle (6) that are provided with on plane stationary vane (1) and intercommunication each other, transfusion needle (6) can be around rotatory and rotation angle between 0 to 45 with plane stationary vane (1) junction, slip propelling movement wing (2) sliding connection is on plane stationary vane (1), form the centre gripping space of a convenient operation between slip propelling movement wing (2) and the plane stationary vane (1), this centre gripping space contained angle is 45.

2. The double-winged blood drawing needle as claimed in claim 1, wherein: the bottom of the plane fixed wing (1) is provided with a cambered surface with the radian of 5 pi/6.

3. The biplane blood drawing needle of claim 1, wherein: the plane fixed wing (1) comprises a plane placing wing (11) and a sliding support rod (12), and the sliding support rod (12) is fixedly connected to the plane placing wing (11).

4. The double-winged blood drawing needle as claimed in claim 3, wherein: the middle part of the sliding pushing wing (2) is arranged in a through groove, and the sliding support rod (12) slides in the through groove of the sliding pushing wing (2).

5. The biplane blood drawing needle of claim 4, wherein: the sliding pushing wing (2) is made of soft plastic materials.

6. The biplane blood drawing needle of claim 5, wherein: transfusion needle (6) including infusion syringe needle (61) and connection gum cover (62), the equipartition has a plurality of steel wires on connecting gum cover (62) inner wall, connect gum cover (62) rigid coupling and place between wing (11) at infusion syringe needle (61) and plane, infusion syringe needle (61) cross section front end is provided with 30 contained angles.

7. The biplane blood drawing needle of claim 6, wherein: the connecting rubber sleeve (62) is made of natural rubber materials.

8. The biplane blood drawing needle of claim 7, wherein: the wing-shaped air conditioner also comprises a heat insulation pad (3), wherein the heat insulation pad (3) is fixedly connected to the bottom of the plane placing wing (11).

9. The biplane blood drawing needle of claim 8, wherein: the bottom of the heat insulation pad (3) is polished.

10. The biplane blood drawing needle of claim 9, wherein: the device also comprises a conduit connector (4), wherein the conduit connector (4) is fixedly connected with and communicated with the right end of the plane placing wing (11).