CN219270925U - Vein blood taking needle with retractable needle head - Google Patents

Abstract

The utility model discloses a needle retractable vein blood taking needle, which relates to the technical field of medical supplies, wherein a first electric telescopic rod fixedly arranged on a fixing piece pushes a connecting piece to move in a long chute according to the position required to be fixed by a user, so that the position of the connecting piece in the long chute is changed, after the connecting piece reaches the required position, the fingers of the user are placed into a fixing ferrule to be fixed, and when in use, other fingers are fixed by using a fixing block, so that the use is more convenient, then according to the required length of the needle, a button is pressed, two limiting plates in a cylinder body are rotated, so that a second electric telescopic rod can push the needle to move up and down, thereby changing the length of the needle when in use, then the needle is used, and realizing the functions of realizing the telescoping of the needle and adjusting and fixing according to the position required to be fixed by the user.

Description

Vein blood taking needle with retractable needle head

Technical Field

The utility model relates to the technical field of medical supplies, in particular to a vein blood taking needle with a retractable needle head.

Background

The intravenous lancet is the most commonly used disposable consumable for medical institutions, and is a type of lancet used to collect blood samples during medical testing. The blood taking needle at the top end of the vacuum blood taking tube is used for puncturing a blood vessel, the tail end of the blood taking needle is connected with a transparent rubber hose, the transparent rubber hose is connected with a tail needle, the tail needle is wrapped by the rubber hose, a needle cap is sleeved outside the tail needle and used for puncturing a vacuum blood taking test tube, and blood is sucked into the tube by utilizing negative pressure in the test tube.

The prior art CN213821426U discloses a needle retractable vein blood taking needle, which has the advantages that the structure of the needle seat of the prior vein blood taking needle is simple, the needle seat has no fixing device, the surface is smooth, the needle seat is easy to slip from hands and is not easy to fix, and meanwhile, the needle is exposed outside due to the fact that the needle cannot be retracted after the prior vein blood taking needle is used, and accidental needle pricks and cross contamination are easily caused; for this purpose, a retractable needle intravenous lancet is now proposed.

Disclosure of Invention

In order to solve the above-mentioned shortcomings in the prior art, an object of the present utility model is to provide a retractable needle intravenous blood taking needle, which can realize the retraction of the needle, and can be adjusted and fixed according to the fixing position required by the user.

The aim of the utility model can be achieved by the following technical scheme: a base;

the fixing piece is used for fixing and using by a user when the fixing piece is used;

the fixing piece is fixedly arranged on two sides of the base, a long chute is formed in the fixing piece, a first electric telescopic rod is fixedly arranged in the long chute, a connecting piece is fixedly connected to the telescopic end of the first electric telescopic rod, and a fixing ferrule is fixedly arranged on the upper surface of the connecting piece;

one side of the fixing piece is provided with a needle cylinder which is fixedly arranged on the upper surface of the base.

The technical scheme has the following principle and effects: the first electric telescopic rod can push the connecting piece to move on the long sliding groove, so that the fixing ferrule on the connecting piece is driven to move, the connecting piece is used for installing the fixing ferrule, the fixing ferrule is used for fixing fingers of a user, and when the electric telescopic rod is used, the user is fixed by using the fixing pieces on two sides of the base, and then blood collection is carried out by using the needle cylinder on the base.

The noun, conjunctive or adjective parts referred to in the above technical solutions are explained as follows:

by fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.

And (3) detachable connection: the detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.

Non-detachable connection: the non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Also, during connection, attention should be paid to process quality, technical inspection and remedial measures (e.g., correction, polishing, etc.).

The utility model has the beneficial effects that:

according to the utility model, in the use process, the first electric telescopic rod fixedly arranged on the fixing piece pushes the connecting piece to move in the long chute according to the position required to be fixed by a user, so that the position of the connecting piece in the long chute is changed, after the connecting piece reaches the required position, the fingers of the user are placed into the fixing ferrule to be fixed, and when in use, other fingers are fixed by the fixing block, so that the use is more convenient, then the needle is controlled to stretch and retract according to the required length of the needle, and the functions of realizing the stretch and retraction of the needle and adjusting and fixing according to the position required to be fixed by the user are realized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;

FIG. 1 is a schematic view of the overall structure of the present utility model;

fig. 2 is a schematic view of the overall structure of the needle cylinder of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. a fixing member; 3. an elongated chute; 4. a first electric telescopic rod; 5. a connecting piece; 6. a fixed block; 7. fixing the ferrule; 8. a liquid outlet pipe; 9. a liquid storage bag; 10. a fixed wing; 11. a needle cylinder; 111. a cylinder; 112. a fixing plate; 113. a second electric telescopic rod; 114. a needle; 115. a limiting plate; 116. a button.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-2, a needle retractable intravenous lancet comprising:

a base 1;

a fixing part 2 for fixing the user during use;

the fixing pieces 2 are fixedly arranged on two sides of the base 1, the fixing pieces 2 are provided with long sliding grooves 3, a first electric telescopic rod 4 is fixedly arranged in each long sliding groove 3, a connecting piece 5 is fixedly connected to the telescopic end of each first electric telescopic rod 4, a fixing ferrule 7 is fixedly arranged on the upper surface of each connecting piece 5, and further the fact that in the specific implementation process, the first electric telescopic rod 4 can push the connecting pieces 5 to move on the long sliding grooves 3 so as to drive the fixing ferrules 7 on the connecting pieces 5 to move, the connecting pieces 5 are used for installing the fixing ferrules 7, and the fixing ferrules 7 are used for being fixed with fingers of a user;

one side of the fixing piece 2 is provided with a needle cylinder 11, and the needle cylinder 11 is fixedly arranged on the upper surface of the base 1.

In use, a user fixes the device by using the fixing members 2 on both sides of the base 1, and then collects blood by using the cylinder 11 on the base 1.

It should be further noted that, in the implementation process, the two sides of the connecting piece 5 are fixedly provided with the fixing blocks 6, and the fixing blocks 6 are used for being conveniently fixed and used by people during use.

It should be further noted that, in the specific implementation process, the fixing ring 7 is provided with an anti-slip pad, and the anti-slip pad is arranged to prevent people from slipping off during use.

It should be further noted that, in the specific implementation process, the syringe 11 includes the barrel 111, fixed plate 112 is fixed mounting in the barrel 111, fixed plate 112 upper surface fixed mounting has second electric telescopic handle 113, the telescopic end fixedly connected with syringe 114 of second electric telescopic handle 113, syringe 114 both sides are equipped with limiting plate 115, limiting plate 115 and barrel 111 inner wall hinge, and the benefit of this design is in order to make when using, limiting plate 115 turned angle unclamp syringe 114, then makes second electric telescopic handle 113 can promote syringe 114 upwards to realize the expansion and contraction when using syringe 114, then when not using, limiting plate 115 rotates thereby laminating fixedly with syringe 114's both sides, makes syringe 114 can not be removed, plays the fixed action.

In a specific implementation process, a button 116 is disposed on the outer wall of the cylinder 111, and the button 116 is capable of enabling the limiting plate 115 to be controlled to rotate after being pressed.

It should be further noted that, in the specific implementation process, the lower surface of the base 1 is fixedly connected with a liquid outlet pipe 8, one side of the liquid outlet pipe 8 is fixedly connected with a liquid storage bag 9, the liquid outlet pipe 8 is used for conveying blood, and the liquid storage bag 9 is used for storing blood.

It should be further noted that, in the implementation process, the base 1 is communicated with the syringe 11, the base 1 is communicated with the liquid outlet pipe 8, and the liquid outlet pipe 8 is communicated with the liquid storage bag 9, so that the design has the advantage of being convenient for conveying blood.

In the specific implementation process, the fixing wings 10 are fixedly installed on two sides of the outer wall of the cylinder 111, so as to play a role in protection.

Working principle: according to the utility model, in the use process, according to the position required to be fixed by a user, the first electric telescopic rod 4 fixedly arranged on the fixing piece 2 pushes the connecting piece 5 to move in the long chute 3, so that the position of the connecting piece 5 in the long chute 3 is changed, after the connecting piece reaches the required position, the fingers of the user are placed into the fixing collar 7 to be fixed, and when in use, other fingers are fixed by the fixing block 6, so that the use is more convenient, then according to the required length of the needle 114, the button 116 is pressed, the two limiting plates 115 in the cylinder 111 rotate to loosen the needle 114, so that the second electric telescopic rod 113 can push the needle 114 to move up and down, thereby changing the length of the needle 114 in use, then the needle 114 is used again, and then when not in use, the limiting plates 115 rotate to fix the two sides of the needle 114 in a fitting way, so that the needle 114 cannot be moved, and the fixing effect is achieved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features, and advantages of the present disclosure. It will be understood by those skilled in the art that the present disclosure is not limited to the embodiments described above, which have been described in the foregoing and description merely illustrates the principles of the disclosure, and that various changes and modifications may be made therein without departing from the spirit and scope of the disclosure, which is defined in the appended claims.

Claims (6)

1. A needle retractable intravenous blood collection needle, comprising:

a base (1);

a fixing member (2);

the fixing piece (2) is fixedly arranged on two sides of the base (1), the fixing piece (2) is provided with a long chute (3), a first electric telescopic rod (4) is fixedly arranged in the long chute (3), a connecting piece (5) is fixedly connected with the telescopic end of the first electric telescopic rod (4), a fixing ferrule (7) is fixedly arranged on the upper surface of the connecting piece (5), and

one side of the fixing piece (2) is provided with a needle cylinder (11), and the needle cylinder (11) is fixedly arranged on the upper surface of the base (1).

2. The retractable needle intravenous blood taking needle according to claim 1, wherein the two sides of the connecting piece (5) are fixedly provided with fixing blocks (6).

3. A needle retractable intravenous blood lancet according to claim 1, characterized in that the stationary collar (7) is provided with a non-slip pad.

4. The retractable needle intravenous blood taking needle according to claim 1, wherein the needle cylinder (11) comprises a cylinder body (111), a fixed plate (112) is fixedly installed in the cylinder body (111), a second electric telescopic rod (113) is fixedly installed on the upper surface of the fixed plate (112), a needle head (114) is fixedly connected to the telescopic end of the second electric telescopic rod (113), limiting plates (115) are arranged on two sides of the needle head (114), and the limiting plates (115) are hinged to the inner wall of the cylinder body (111).

5. The vein blood taking needle with the retractable needle head according to claim 1, wherein a liquid outlet pipe (8) is fixedly connected to the lower surface of the base (1), and a liquid storage bag (9) is fixedly connected to one side of the liquid outlet pipe (8).

6. A needle retractable intravenous blood lancet according to claim 5, wherein the base (1) is in communication with the barrel (11), the base (1) is in communication with the outlet tube (8), and the outlet tube (8) is in communication with the reservoir (9).

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