CN218922590U - Intravenous blood taking needle with fixing device - Google Patents

Abstract

The utility model discloses a venous blood collection needle with a fixing device, which comprises a transparent three-way, one end of the transparent three-way is fixedly installed with an extension tube, and one end of the extension tube away from the transparent three-way is fixedly installed with a positive pressure joint , the lower end of the transparent tee is fixedly equipped with a steel needle, the lower part of the transparent tee is detachably installed with a positioning mechanism, and the left and right sides of the positioning mechanism are all provided with medical adhesive tape. A venous blood collection needle with a fixing device described in the utility model is detachably installed on the lower part of the transparent tee through the No. 1 half-shaped needle handle and the No. 2 half-shaped needle handle, which facilitates the replacement of the positioning mechanism and realizes positioning. The mechanism can be recycled, which avoids discarding the venous blood collection needle as a whole, reduces the manufacturing cost of the venous blood collection needle, and the venous blood collection needle is fixed and stable, not easy to fall off, and has strong safety. Through the setting of the sponge pad, the fit is high, stable and reliable , strong practicability, and can be popularized and used.

Description

A venous blood collection needle with a fixing device

technical field

The utility model relates to the technical field of medical supplies, in particular to a venous blood collection needle with a fixing device.

Background technique

In the medical field, medical personnel collect and obtain human physiological and pathological information through various means for correct diagnosis of diseases. Among them, there are usually three ways to collect blood samples: (1) subcutaneous blood collection, which is mostly used for the analysis of blood components (2) venous blood collection, which can perform detailed detection of hematology, blood pathogens and other related subject indicators, and is widely used in clinical practice , Pen-type or split-type venous blood collection needles are mostly used; (3) Arterial blood collection is mostly used to detect arterial blood gas indicators in critical emergencies, and the application is seldom, and special syringes for arterial blood collection are mostly used for collection.

Most of the venous blood collection needles currently used clinically are ordinary blood collection needles. Ordinary blood collection needles are prone to stab wounds during use. Specifically, it is easy to cause stab wounds to patients during the blood collection process. The patient's activities will cause the venous blood collection needle to fall off from the blood vessel and cause puncture injury to the patient, or the patient will also cause the venous blood collection needle to fall off and puncture the patient when it is collided with the outside world. secondary injury. Therefore, we propose a venous blood collection needle with a fixing device.

Utility model content

The main purpose of the utility model is to provide a venous blood collection needle with a fixing device, which can effectively solve the problems in the background technology.

In order to achieve the above object, the technical scheme that the utility model takes is:

A venous blood collection needle with a fixing device, comprising a transparent three-way, one end of the transparent three-way is fixedly installed with an extension tube, and one end of the extension tube away from the transparent three-way is fixedly installed with a positive pressure joint, the transparent three-way The lower end of the tee is fixedly equipped with a steel needle, and the lower part of the transparent tee is detachably equipped with a positioning mechanism, and the left and right sides of the positioning mechanism are all provided with medical adhesive tape;

The positioning mechanism includes a No. 1 half-type needle handle and a No. 2 half-type needle handle. The No. 1 and a half-type needle handles and the No. 2 half-type needle handles are detachably installed together. The rear ends of the No. 1 and half-type needle handles are all fixedly equipped with sponge pads, and the sides of the No. 1 and No. 2 half-type needle handles away from the opposite ends are all provided with fixing grooves, and the upper and lower sides of the two fixing grooves Both ends are provided with card slots, and both of the fixing slots are provided with pressing components.

Preferably, the No. 1 and a half-shaped needle handle is fixedly installed with a No. 1 block and three No. 1 positioning columns at the end away from the fixing groove, and the No. 1 and a half-shaped needle handle is provided with a No. 1 connecting groove and three No. 1 positioning posts at the end away from the fixing groove. No. 1 positioning hole.

Preferably, the No. 2 half-shaped needle handle is fixedly installed with three No. 2 positioning columns and No. 2 clamping blocks at one end away from the fixing groove, and the positions of the No. 2 clamping blocks and the three No. 2 positioning columns are respectively the same as those of the three No. 1 positioning columns. The positions of the No. 1 positioning hole and the No. 1 connecting groove are corresponding. There are three No. 2 positioning holes and No. 2 connecting slots at the end of the No. 2 half-shaped needle handle away from the fixing slot, and the three No. 2 positioning holes are connected to the No. 2 connecting slot. The slots correspond to the positions of the three No. 1 positioning holes and the No. 1 connecting slot respectively.

Preferably, the No. 2 positioning column and the No. 2 clamping block are respectively clamped in the corresponding No. 1 positioning hole and the No. 1 connecting groove, and the No. 1 clamping block and the No. 1 positioning column are respectively clamped in the corresponding No. 2 positioning hole. The No. 2 half-type needle handle and the No. 1 half-type needle handle are detachably installed in the connecting groove and the No. 2 positioning hole.

Preferably, the pressing assembly includes a pressing plate, the upper end and the lower end of the pressing plate are integrally formed with an adapter block, the size of the adapter block matches the size of the card slot, and the front end of the pressing plate is fixedly installed with two springs.

Preferably, the ends of the two springs away from the pressure plate are fixedly installed on the front box wall of the fixing groove, and the adapter block is snapped into the corresponding slot to fix the medical adhesive tape in the fixing groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. In the utility model, the No. 1 half-shaped needle handle and the No. 2 half-shaped needle handle are detachably installed on the lower part of the transparent tee, which facilitates the replacement of the positioning mechanism, realizes the recyclability of the positioning mechanism, and avoids venous blood collection The whole needle is discarded, which reduces the manufacturing cost of the venous blood collection needle.

2. In the utility model, the stability of the medical adhesive tape is improved through the setting of the pressing component, and the falling off of the venous blood collection needle can be effectively avoided through the medical adhesive tape, which has strong safety. The stability of the handle and the size 2 half-shaped handle is high, and the fit is high.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a venous blood collection needle with a fixing device of the present invention;

Fig. 2 is a connection schematic diagram of a No. 1 half-type needle handle and a No. 2 half-type needle handle of a venous blood collection needle with a fixing device of the present invention;

Fig. 3 is a connection schematic diagram of the No. 2 half-type needle handle and medical adhesive tape of a venous blood collection needle with a fixing device of the present invention;

Fig. 4 is a structural schematic diagram of a pressing assembly of a venous blood collection needle with a fixing device according to the present invention.

In the figure: 1. Transparent tee; 2. Steel needle; 3. Extension tube; 4. Positive pressure joint; 5. Positioning mechanism; 6. Medical adhesive tape; Needle handle; 53, fixing slot; 54, card slot; 55, sponge pad; 56, pressing assembly; 511, No. 1 positioning hole; 512, No. 1 positioning post; 513, No. 1 connecting slot; Block; 521, No. 2 positioning post; 522, No. 2 positioning hole; 523, No. 2 clamp block; 524, No. 2 connecting groove; 561, pressing plate; 562, adapter block; 563, spring.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "another end" The orientation or positional relationship indicated by ", etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, so as to Specific orientation configurations and operations, therefore, should not be construed as limitations on the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless otherwise specified and limited, the terms "installed", "set with", "connected", etc. should be understood in a broad sense, such as "connected", which can be a fixed The connection can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Example

Please refer to Figure 1-4, the utility model provides a technical solution:

A venous blood collection needle with a fixing device, comprising a transparent three-way 1, one end of the transparent three-way 1 is fixedly installed with an extension tube 3, and one end of the extension tube 3 far away from the transparent three-way 1 is fixedly installed with a positive pressure joint 4, the transparent three-way The lower end of the connection 1 is fixedly equipped with a steel needle 2, and the bottom of the transparent tee 1 is detachably equipped with a positioning mechanism 5, and the left and right sides of the positioning mechanism 5 are all provided with medical adhesive tape 6.

In this embodiment, the positioning mechanism 5 includes a No. 1 and a half type needle handle 51 and a No. 2 half type needle handle 52. The No. 1 and a half type needle handle 51 and the No. 2 half type needle handle 52 are detachably installed together. The rear ends of the needle handle 51 and the No. 2 half-type needle handle 52 are all fixedly equipped with a sponge pad 55, and the sides of the No. 1 half-type needle handle 51 and the No. 2 half-type needle handle 52 are all provided with a fixing groove 53 away from the opposite end. The upper and lower ends of each fixing groove 53 are provided with draw-in grooves 54, and the two fixing grooves 53 are all provided with a pressing assembly 56; the end of the No. 1 and a half-shaped needle handle 51 away from the fixing groove 53 is fixedly installed with a No. 1 clamping block 514 and Three No. 1 positioning columns 512, the No. 1 half-shaped needle handle 51 is provided with a No. 1 connecting groove 513 and three No. 1 positioning holes 511 at one end away from the fixing groove 53; Three No. 2 positioning posts 521 and No. 2 clamping blocks 523 are installed, and the positions of the No. 2 clamping blocks 523 and the three No. 2 positioning posts 521 correspond to the positions of the three No. 1 positioning holes 511 and the No. 1 connecting groove 513 respectively. One end of the No. 2 half-type needle handle 52 away from the fixing groove 53 is provided with three No. 2 positioning holes 522 and No. 2 connecting grooves 524, and the three No. 2 positioning holes 522 and No. 2 connecting grooves 524 are connected with the three No. 1 positioning holes respectively. 511 corresponds to the position of the No. 1 connecting groove 513; the No. 2 positioning column 521 and the No. 2 clamping block 523 are snapped into the corresponding No. 1 positioning hole 511 and the No. 1 connecting slot 513 respectively, and the No. 1 clamping block 514 and the No. 1 The positioning column 512 is respectively clamped in the corresponding No. 2 connecting groove 524 and No. 2 positioning hole 522, and the No. 2 half-shaped needle handle 52 and the No. 1 half-shaped needle handle 51 are detachably installed; through the No. 1 and a half-shaped needle handle 51 and The second half-shaped needle handle 52 is detachably mounted on the lower part of the transparent tee 1, which facilitates the replacement of the positioning mechanism 5, realizes the recyclability of the positioning mechanism 5, avoids the overall discarding of the venous blood collection needle, and reduces the production of the venous blood collection needle cost.

In this embodiment, the pressing assembly 56 includes a pressing plate 561, the upper end and the lower end of the pressing plate 561 are integrally formed with an adapter block 562, the size of the adapter block 562 matches the size of the card slot 54, and the front end of the pressing plate 561 is fixedly installed. There are two springs 563; one end of the two springs 563 away from the pressure plate 561 is fixedly installed on the front box wall of the fixing groove 53, and the adapter block 562 is snapped into the corresponding card groove 54 to fix the medical adhesive tape 6 in the fixing groove 53; Through the setting of the pressing assembly 56, the stability of the medical adhesive tape 6 is improved, effectively avoiding the falling off of the venous blood collection needle, and the safety is strong, and through the setting of the sponge pad 55, the needle handle 51 of the No. 1 and a half and the No. 2 and a half type are further improved. The stability of the needle handle 52 is high in fit.

It should be noted that the utility model is a venous blood collection needle with a fixing device. In the specific use process, the No. 2 positioning post 521 and the No. 2 clamping block 523 are snapped into the corresponding No. 1 positioning hole 511 and No. 1 positioning hole 511 respectively. In the No. 1 connecting groove 513, the No. 1 half-shaped needle handle 51 and the No. 2 half-shaped needle handle 51 are snapped into the corresponding No. 2 connecting groove 524 and No. 2 positioning hole 522 through the No. The needle handle 52 is detachably mounted on the lower part of the transparent tee 1, which facilitates the replacement of the positioning mechanism 5, realizes the recyclability of the positioning mechanism 5, avoids discarding the venous blood collection needle as a whole, reduces the manufacturing cost of the venous blood collection needle, and makes the medical One end of the adhesive tape 6 is pasted in the fixing groove 53, and the elastic deformation of the spring 563 is restored so that the adapter block 562 is snapped into the corresponding slot 54, so that the pressure plate 561 compresses and fixes the medical adhesive tape 6 again, thereby improving the stability of the medical adhesive tape 6. Stability, and then use two medical adhesive tapes 6 to fix the No. 1 half-shaped needle handle 51 and the No. 2 half-shaped needle handle 52. The fixation is stable to ensure that after the steel needle 2 is pierced, it can effectively prevent the venous blood collection needle from falling off, and the safety is strong , through the setting of the sponge pad 55, further improve the stability of the No. 1 half-type needle handle 51 and the No. 2 half-type needle handle 52.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a vein blood taking needle with fixing device, includes transparent tee bend (1), its characterized in that: one end of the transparent tee joint (1) is fixedly provided with an extension pipe (3), one end of the extension pipe (3) far away from the transparent tee joint (1) is fixedly provided with a positive pressure joint (4), the lower end of the transparent tee joint (1) is fixedly provided with a steel needle (2), the lower part of the transparent tee joint (1) is detachably provided with a positioning mechanism (5), and the left side and the right side of the positioning mechanism (5) are respectively provided with a medical adhesive tape (6);

the positioning mechanism (5) comprises a first-half needle handle (51) and a second-half needle handle (52), the first-half needle handle (51) and the second-half needle handle (52) are detachably mounted together, the back ends of the first-half needle handle (51) and the second-half needle handle (52) are fixedly provided with a foam-rubber cushion (55), one side, far away from the opposite end, of the first-half needle handle (51) and the second-half needle handle (52) is provided with a fixing groove (53), the upper end and the lower end of each fixing groove (53) are respectively provided with a clamping groove (54), and compression assemblies (56) are respectively arranged in the two fixing grooves (53).

2. The intravenous lancet with a fastening device according to claim 1, wherein: one end of the one-size half needle handle (51) far away from the fixed groove (53) is fixedly provided with a one-size clamping block (514) and three one-size positioning columns (512), and one end of the one-size half needle handle (51) far away from the fixed groove (53) is provided with a one-size connecting groove (513) and three one-size positioning holes (511).

3. A venous blood collection needle with a fastening means according to claim 2, characterized in that: one end that fixed slot (53) was kept away from to half needle handle (52) No. two is fixed mounting has three No. two reference column (521) and No. two fixture blocks (523), no. two fixture blocks (523) and No. three No. two location column (521) the position with three No. one locating hole (511) and No. one spread groove (513) respectively correspond, no. two half needle handle (52) keep away from the one end of fixed slot (53) and are provided with three No. two locating hole (522) and No. two spread groove (524), and No. two locating hole (522) and No. two spread groove (524) respectively correspond with the position of three No. one locating hole (511) and No. one spread groove (513).

4. A venous blood lancet with a fixing device according to claim 3, characterized in that: the second positioning column (521) and the second clamping block (523) are respectively clamped in a corresponding first positioning hole (511) and a corresponding first connecting groove (513), and the first clamping block (514) and the first positioning column (512) are respectively clamped in a corresponding second connecting groove (524) and a corresponding second positioning hole (522) to detachably mount the second half needle handle (52) and the first half needle handle (51).

5. The intravenous lancet with a fastening device according to claim 1, wherein: the pressing assembly (56) comprises a pressing plate (561), an adapting block (562) is formed at the upper end and the lower end of the pressing plate (561) in an integrally formed mode, the size of the adapting block (562) is matched with the size of the clamping groove (54), and two springs (563) are fixedly arranged at the front end of the pressing plate (561).

6. The intravenous lancet with the fixing device according to claim 5, wherein: one end of each spring (563) far away from the pressing plate (561) is fixedly arranged with the front box wall of the corresponding fixing groove (53), and the corresponding clamping groove (54) is clamped by the corresponding adapting block (562) to fix the medical adhesive tape (6) in the corresponding fixing groove (53).

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