CN214017573U - Blood collection system of adjustable syringe needle length - Google Patents

Abstract

The utility model relates to a blood collection system, specifically speaking relates to a blood collection system of adjustable syringe needle length. It includes syringe body and stop device, first cavity has been seted up at syringe body top, syringe body bottom integrated into one piece has the siphunculus, the sleeve pipe has been cup jointed to the siphunculus outer wall, sleeve pipe bottom fixedly connected with syringe needle, sliding connection has the sucking disc in the first cavity, the screw rod bottom with the spacing ring rotates to be connected, screw rod top fixedly connected with button piece, among this blood collection device of adjustable syringe needle length, through the stop device who sets up, siphunculus stop device reciprocates at syringe body outer wall and adjusts the length of syringe needle, is convenient for can adjust the suitable length of syringe needle according to the patient of difference, has solved the syringe needle length in the past and can not adjust the easy problem that the needle tubing pricked too deeply when drawing blood to the patient that the age is less and the stature is thin, is worth popularizing and applying.

Description

Blood collection system of adjustable syringe needle length

Technical Field

The utility model relates to a blood collection system, specifically speaking relates to a blood collection system of adjustable syringe needle length.

Background

The hematology department, also known as hematology department, is a branch of internal medicine, and is mainly used for treating hematopoietic system diseases, namely blood diseases, which are often contained in oncology departments in some hospitals, generally called as hematology departments, patients need to go to hospitals to see diseases when getting ill, the hematology department generally needs to go to carry out blood drawing tests when seeing diseases, blood drawing generally adopts a syringe, medical personnel draw blood to patients, because the length of the syringe needle is fixed, but the depth of the needle tube is different when patients of different ages and different statures draw blood, the whole length of the needle tube is longer, so that the needle tube is too deep when patients of smaller ages and thinner statures draw blood, the patients are too painful and need to be pricked again, and accordingly, a blood collection device capable of adjusting the length of the needle tube is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood collection system of adjustable syringe needle length to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a blood collecting device capable of adjusting the length of a needle head, which comprises an injector body and a limiting device, wherein a first cavity is arranged at the top of the injector body, a through pipe is integrally formed at the bottom of the injector body, a sleeve pipe is sleeved on the outer wall of the through pipe, the bottom of the sleeve pipe is fixedly connected with the needle head, a sucker is slidably connected in the first cavity, a pull rod is fixedly connected at the top of the sucker, a tray is fixedly connected at the top of the pull rod, the limiting device comprises a limiting pipe which is slidably connected at the outer wall of the injector body, a second cavity is arranged at the top of the limiting pipe, a fixed plate is integrally formed at two sides of the top of the limiting pipe, a limiting ring is integrally formed at the top of the fixed plate, a round pipe is integrally formed at the bottom of the limiting pipe, square plates are integrally formed at the outer walls of two sides of the injector body, threaded holes are arranged on the surfaces of the square plates, and threaded holes are internally threaded with threaded screws, the bottom of the screw rod is rotationally connected with the limiting ring, and the top of the screw rod is fixedly connected with a button block. The syringe body is used for drawing blood for a patient; the limiting device is used for adjusting the length of the needle.

Further perfection, the button block is in a hexagonal shape. The hexagonal button block has the function that the friction force generated between the fingers and the button block can be improved by the hexagon, so that the button block can be conveniently and quickly screwed.

Further perfection, the outer wall of the injector body is integrally formed with an exhaust pipe, and a plug head is inserted into an opening at one end of the exhaust pipe. The exhaust pipe and the plug head have the effects that the plug head can be opened and a straw is inserted into the exhaust pipe to extract blood in the syringe body, repeated needle insertion is not needed when the same patient collects multiple blood, and the plug head is inserted into an opening at one end of the exhaust pipe.

Further perfect, pipe bottom fixedly connected with rubber circle pad, the through-hole has been seted up at rubber circle pad center, and rubber circle pad passes through-hole sliding connection and is in the syringe needle outer wall. The rubber round pad and the through hole have the advantages that rubber has the characteristic of flexibility, so that the rubber round pad can be in soft contact with skin when a needle is inserted, and the injury of the round tube to the skin of a patient is prevented.

Further perfection, syringe body outer wall has seted up the scale. The graduated scale has the advantages that the volume of blood in the syringe body can be observed through the graduated scale, and medical personnel can conveniently control the volume of the blood to be extracted according to the graduated scale.

Further perfection, the top of the two sides of the injector body is integrally formed with a gasket. The gasket has the advantages that the gasket can support the hands of medical staff when blood is drawn, and supporting force is provided for the medical staff conveniently.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this blood collection device of adjustable syringe needle length, through the stop device who sets up, spacing pipe reciprocates at syringe body outer wall and adjusts the length of syringe needle, is convenient for can adjust the suitable length of syringe needle according to the patient of difference, and the needle tubing pricks into too dark problem when having solved the syringe needle length in the past and can not adjust the easy patient less and thin of age that leads to when drawing blood.

2. In this blood collection device of adjustable syringe needle length, through the blast pipe that sets up, can be when this internal blood of syringe was gathered full, insert the suction pipe and can extract this internal blood of syringe, be convenient for need not take off the syringe needle and can continue to draw blood to the patient.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of the injector body area of the present invention;

FIG. 4 is a perspective view of the suction cup area of the present invention;

FIG. 5 is an exploded view of the injector body of the present invention at the other side of the view;

fig. 6 is an exploded view of the middle stop device of the present invention.

The various reference numbers in the figures mean:

10. an injector body; 11. a first cavity; 12. pipe passing; 13. a sleeve; 14. a needle head; 15. a suction cup; 16. a pull rod; 17. a tray; 18. an exhaust pipe; 19. a plug head;

20. a limiting device; 21. a limiting pipe; 22. a second cavity; 23. a fixing plate; 24. a limiting ring; 25. a circular tube; 26. A square plate; 27. perforating the threads; 28. a screw; 29. a button block;

30. a rubber round pad; 31. a through hole; 32. a graduated scale; 33. and (7) a gasket.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The present invention will be further explained with reference to the accompanying drawings:

referring to fig. 1-6, the present embodiment provides a blood collection device capable of adjusting the length of a needle, including a syringe body 10 and a limiting device 20, wherein a first cavity 11 is formed at the top of the syringe body 10, a through tube 12 is integrally formed at the bottom of the syringe body 10, the through tube 12 and the bottom of the syringe body 10 are tightly connected by integral forming, the syringe body is sturdy and durable, a sleeve 13 is sleeved on the outer wall of the through tube 12, a needle 14 is fixedly connected to the bottom of the sleeve 13, a suction cup 15 is slidably connected in the first cavity 11, a pull rod 16 is fixedly connected to the top of the suction cup 15, a tray 17 is fixedly connected to the top of the pull rod 16, the limiting device 20 includes a limiting tube 21, the limiting tube 21 is slidably connected to the outer wall of the syringe body 10, so that the limiting tube 21 covers the length of the needle 14, the adjustment of the needle 14 is achieved, a second cavity 22 is formed at the top of the limiting tube 21, spacing 21 top both sides integrated into one piece have fixed plate 23, fixed plate 23 top integrated into one piece has spacing ring 24, spacing 21 bottom integrated into one piece has pipe 25, syringe body 10 both sides outer wall integrated into one piece has square plate 26, and screw thread perforation 27 has been seted up on square plate 26 surface, and screw thread perforation 27 female connection has screw rod 28, and screw rod 28 bottom is rotated with spacing ring 24 and is connected, screw rod 28 top fixedly connected with button piece 29.

In addition, the knob 29 is hexagonal, and the hexagonal shape can increase the friction force generated between the fingers and the knob 29, thereby facilitating the quick screwing of the knob 29.

Furthermore, the exhaust pipe 18 is integrally formed on the outer wall of the injector body 10, so that when the injector body 10 is full of blood, a straw can be inserted into the exhaust pipe 18 to draw the blood in the injector body 10, so that the same patient does not need to be punctured repeatedly when collecting multiple blood, and the plug 19 is inserted into an opening at one end of the exhaust pipe 18.

Further, pipe 25 bottom fixedly connected with rubber circle pad 30, rubber circle pad 30 is preferred to adopt rubber to make, and rubber has the characteristics of compliance, and when being convenient for prick the needle, rubber circle pad 30 can prevent that pipe 25 from causing the injury to patient's skin with the mild contact of skin, and through-hole 31 has been seted up at rubber circle pad 30 center, and rubber circle pad 30 passes through-hole 31 sliding connection at syringe needle 14 outer wall.

Besides, the graduated scale 32 is disposed on the outer wall of the syringe body 10, and the volume of blood in the syringe body 10 can be observed through the graduated scale 32, so that the medical staff can control the volume of blood to be drawn according to the graduated scale 32.

Further, the top of the two sides of the injector body 10 is integrally formed with a gasket 33, and the gasket 33 can support the hand of the medical staff when drawing blood, so as to provide a supporting force for the medical staff.

The embodiment relates to a blood collection device capable of adjusting the length of a needle head, when the device is used, a button block 29 is screwed, the button block 29 drives a screw rod 28 to rotate and move downwards, the screw rod 28 moves downwards to drive a limiting tube 21, the limiting tube 21 moves on the outer wall of a needle head 141, so that the length of the needle head 14 is adjusted, the needle head 14 is adjusted to a proper length, when blood in an injector body 10 is full, a plug 19 is pulled out, a suction tube is inserted into an exhaust tube 18, then the blood in the injector body 10 is completely extracted, a tray 17 is pressed downwards, the tray 17 drives a pull rod 16, the pull rod 16 drives a suction disc 15, the suction disc 15 moves to generate pressure, the pressure is discharged through the exhaust tube 18, then the plug 19 is plugged into an opening of the exhaust tube 18, the exhaust tube is sealed, at the moment, blood extraction operation can be continuously performed on a patient, and the device is worthy of popularization and application.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A blood collection device capable of adjusting the length of a needle head comprises an injector body (10) and a limiting device (20), and is characterized in that: the syringe comprises a syringe body (10), and is characterized in that a first cavity (11) is formed at the top of the syringe body (10), a through pipe (12) is integrally formed at the bottom of the syringe body (10), a sleeve (13) is sleeved on the outer wall of the through pipe (12), a needle (14) is fixedly connected at the bottom of the sleeve (13), a sucker (15) is slidably connected in the first cavity (11), a pull rod (16) is fixedly connected at the top of the sucker (15), a tray (17) is fixedly connected at the top of the pull rod (16), a limiting device (20) comprises a limiting pipe (21), the limiting pipe (21) is slidably connected with the outer wall of the syringe body (10), a second cavity (22) is formed at the top of the limiting pipe (21), fixing plates (23) are integrally formed at two sides of the top of the limiting pipe (21), a limiting ring (24) is integrally formed at the top of the fixing plates (23), syringe body (10) both sides outer wall integrated into one piece has square board (26), screw thread perforation (27) have been seted up on square board (26) surface, screw thread perforation (27) internal thread connection has screw rod (28), screw rod (28) bottom with spacing ring (24) rotate and are connected, screw rod (28) top fixedly connected with button piece (29).

2. The needle length adjustable blood collection device of claim 1, wherein: the button block (29) is hexagonal.

3. The needle length adjustable blood collection device of claim 1, wherein: the injector is characterized in that an exhaust pipe (18) is integrally formed on the outer wall of the injector body (10), and a plug head (19) is inserted into an opening at one end of the exhaust pipe (18).

4. The needle length adjustable blood collection device of claim 1, wherein: pipe (25) bottom fixedly connected with rubber circle pad (30), through-hole (31) have been seted up at rubber circle pad (30) center, rubber circle pad (30) pass through-hole (31) sliding connection be in syringe needle (14) outer wall.

5. A needle length adjustable blood collection device according to claim 3, wherein: the outer wall of the injector body (10) is provided with a graduated scale (32).

6. The adjustable needle length blood collection device of claim 5, wherein: the top parts of the two sides of the injector body (10) are integrally formed with gaskets (33).

Images