CN216908072U

CN216908072U - Anticoagulant puncture needle

Info

Publication number: CN216908072U
Application number: CN202123245661.5U
Authority: CN
Inventors: 范秀娟
Original assignee: Shenzhen Longhua District Central Hospital
Current assignee: Shenzhen Longhua District Central Hospital
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-08
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses an anticoagulant puncture needle, which relates to the technical field of medical tools and overcomes the defects that the blood drawing speed and the blood coagulation in a needle head and a tube cannot be controlled during blood drawing, and the technical scheme has the key points that: the puncture needle comprises a fixed cylinder, wherein an installation pipe is inserted into the upper end inside the fixed cylinder, a positioning sleeve is fixedly installed at the lower end of the fixed cylinder, which is close to the inner part of the installation pipe, a puncture needle body is movably installed in the middle of the positioning sleeve, a reducer pipe, a drainage pipe and a negative pressure drainage bag are sequentially connected to the upper end of the puncture needle body, a scale mark is arranged in the middle of the outer surface of the negative pressure drainage bag, and a communicating pipe is installed at one end of the negative pressure drainage bag, which is close to the drainage pipe; the body part of the installation tube corresponding to the drainage tube is provided with a sleeve in a penetrating way; the purpose of adjusting the drainage rate in the blood drainage process is achieved, blood is quickly drained without solidification, the phenomenon that the patient is faint due to the fact that the blood flows out too fast is avoided, and the blood drainage device is convenient for medical staff to use.

Description

Anticoagulant puncture needle

Technical Field

The utility model relates to the technical field of medical tools, in particular to an anticoagulant puncture needle.

Background

At present, patients with polycythemia are gradually increased, the clinical nursing bloodletting technology is deficient, and a method of repeatedly puncturing and drawing blood is still used for bloodletting for the patients, so that the method has the defects that:

1. the blood drawing speed cannot be controlled during blood drawing, so that the patient feels faint due to too fast blood drawing.

2. The blood drainage amount is large in the blood drawing process, blood of a needle head and a tube is coagulated, and the blood drainage therapy cannot be completed at one time. Therefore, an anticoagulant puncture needle is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anticoagulant puncture needle, which achieves the purpose of adjusting the drainage rate in the blood drainage process, quickly drains blood without coagulation, avoids syncope of a patient caused by too fast outflow of the blood, and is convenient for medical staff to use.

The technical purpose of the utility model is realized by the following technical scheme: including a fixed cylinder, the inside upper end of a fixed cylinder is inserted and is equipped with the installation pipe, the inside lower extreme fixed mounting that a fixed cylinder is close to the installation pipe has a position sleeve, position sleeve's middle part movable mounting has the puncture needle body, the upper end of puncture needle body has connected gradually reducing pipe, drainage tube and negative pressure drainage bag, the scale mark has been seted up at the middle part of negative pressure drainage bag surface, communicating pipe is installed to the one end that negative pressure drainage bag is close to the drainage tube.

The utility model discloses a drainage tube, including the installation pipe, the installation pipe is corresponding the body part of drainage tube and is run through and install the sleeve pipe, the intraductal dwang of installing of cover, the dwang extends to the inside one end of drainage tube and installs the valve ball, the through-hole has been seted up on the valve ball.

The middle part of the outer ring surface of the fixed cylinder is provided with mounting frames at intervals, and the fixed cylinder is provided with a fixing mechanism through the mounting frames.

By adopting the technical scheme, the whole puncture mechanism is fixed outside the puncture part through the fixing mechanism, the installation tube is pinched, the puncture needle body is used for puncture, the wing panels at the two sides of the puncture needle body cling to the skin during puncture to prevent the puncture needle body from moving, after puncture is finished, the valve ball is rotated through the rotating rod, so that the through hole on the valve ball corresponds to the drainage tube up and down, and at the moment, due to the negative pressure effect in the negative pressure drainage bag, so that the blood enters the negative pressure drainage bag through the puncture needle body, the reducer tube and the drainage tube in sequence to complete the bloodletting, in the whole bloodletting process, the flow area between the through hole and the drainage tube can be adjusted by rotating the position of the valve ball in the drainage tube, so as to achieve the purpose of adjusting the blood flow rate, and the setting of reducing pipe for blood flows to narrow internal diameter from wide internal diameter to prevent the blood coagulation in the flow process under the combined action of negative pressure drainage bag.

The utility model is further configured to: the fixing mechanism comprises a fixing rod, an adjustable supporting rod and a base, the outer surface of the mounting rack is fixedly connected with the fixing rod, the outer end, far away from the mounting rack, of the fixing rod is rotatably connected with the adjustable supporting rod, and the lower end of the adjustable supporting rod is connected with the upper surface of the base.

Through adopting above-mentioned technical scheme, the puncture position of adaptation different positions accomplishes the fixed of whole bloodletting instrument.

The utility model is further configured to: the lower end of the outer ring surface of the puncture needle body is symmetrically provided with fins.

By adopting the technical scheme, the puncture needle body is prevented from moving due to the arrangement of the fins, so that the bloodletting process is smoother.

The utility model is further configured to: and the upper end of the outer ring surface of the installation pipe is fixedly provided with clamping rods arranged at intervals.

Through adopting above-mentioned technical scheme, the setting of kelly is convenient for the fixed pipe to obtain spacingly, avoids pjncture needle body piercing depth to be darker.

The utility model is further configured to: the upper end of the puncture needle body is connected with the lower end of the reducer pipe, the upper end of the reducer pipe is connected with the lower end of the drainage pipe, and the upper end of the drainage pipe is connected with the middle of the lower surface of the negative pressure drainage bag.

By adopting the technical scheme, the blood sequentially passes through the puncture needle body, the reducer pipe and the drainage tube to enter the drainage bag.

The utility model is further configured to: the puncture needle body, the reducer pipe, the drainage tube and the negative pressure drainage bag are communicated with each other.

Through adopting above-mentioned technical scheme, blood can form the circulation, and avoids the solidification.

The utility model is further configured to: the diameter of the valve ball is the same as the inner diameter of the drainage tube.

Through adopting above-mentioned technical scheme for the drainage tube can be under the effect of valve ball the regulation blood circulation rate.

The utility model is further configured to: the adjustable support rod is composed of a bottom pipe, an inner rod and a fixing bolt, the inner rod is inserted into the bottom pipe, and the fixing bolt penetrates through the bottom pipe and extends to the outer surface of the inner rod.

By adopting the technical scheme, the puncture parts in different shapes can be conveniently adapted, the adjustment is simple, and the operation is convenient.

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

1. the wing pieces on the two sides of the puncture needle body can be tightly attached to the skin, so that the puncture needle body is prevented from moving, and the learning process is smooth.

2. The common setting of reducing pipe and drainage tube, valve ball for the blood circulation in-process can not solidify, and can adjust the speed of blood circulation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the drainage mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the governor mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the fixing mechanism of the present invention.

Reference numbers and corresponding part names in the drawings:

1. a fixed cylinder; 2. installing a pipe; 3. a clamping rod; 4. a communicating pipe; 5. a negative pressure drainage bag; 6. scale lines; 7. an adjustable strut; 8. a base; 9. fixing the rod; 10. a mounting frame; 11. puncturing the needle body; 12. a reducer pipe; 13. a sleeve; 14. rotating the rod; 15. a fin; 16. a positioning sleeve; 17. a drainage tube; 18. a valve ball; 19. and a through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples and accompanying fig. 1-4, wherein the exemplary embodiments and descriptions of the present invention are only used for explaining the present invention and are not used as limitations of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

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.

Example (b): an anticoagulant puncture needle comprises a fixed cylinder 1, wherein an installation tube 2 is inserted into the upper end inside the fixed cylinder 1, a positioning sleeve 16 is fixedly installed at the lower end, close to the inner part of the installation tube 2, of the fixed cylinder 1, a puncture needle body 11 is movably installed in the middle of the positioning sleeve 16, a reducer tube 12, a drainage tube 17 and a negative pressure drainage bag 5 are sequentially connected to the upper end of the puncture needle body 11, a scale mark 6 is arranged in the middle of the outer surface of the negative pressure drainage bag 5, and a communicating tube 4 is installed at one end, close to the drainage tube 17, of the negative pressure drainage bag 5;

a sleeve 13 penetrates through the part, corresponding to the drainage tube 17, of the mounting tube 2, a rotating rod 14 is mounted in the sleeve 13, a valve ball 18 is mounted at one end, extending into the drainage tube 17, of the rotating rod 14, and a through hole 19 is formed in the valve ball 18;

the middle part of the outer ring surface of the fixed cylinder 1 is provided with mounting frames 10 at intervals, and the fixed cylinder 1 is provided with a fixing mechanism through the mounting frames 10.

As shown in fig. 1 and 4, the fixing mechanism comprises a fixing rod 9, an adjustable supporting rod 7 and a base 8, the outer surface of the mounting rack 10 is fixedly connected with the fixing rod 9, the outer end, far away from the mounting rack 10, of the fixing rod 9 is rotatably connected with the adjustable supporting rod 7, the lower end of the adjustable supporting rod 7 is connected with the upper surface of the base 8, the adjustable supporting rod 7 comprises a bottom pipe, an inner rod and a fixing bolt, the inner rod is inserted into the bottom pipe, and the fixing bolt penetrates through the bottom pipe and extends to the outer surface of the inner rod.

As shown in fig. 1, 2 and 3, the lower end of the outer annular surface of the puncture needle body 11 is symmetrically provided with fins 15, the upper end of the outer annular surface of the installation tube 2 is fixedly provided with clamping rods 3 arranged at intervals, the upper end of the puncture needle body 11 is connected with the lower end of the reducer tube 12, the upper end of the reducer tube 12 is connected with the lower end of the drainage tube 17, and the upper end of the drainage tube 17 is connected with the middle part of the lower surface of the negative pressure drainage bag 5.

As shown in FIGS. 2 and 3, the puncture needle body 11, the reducer 12, the drain tube 17 and the inside of the negative pressure drain bag 5 communicate with each other, and the diameter of the valve ball 18 is the same as the inner diameter of the drain tube 17.

The working principle is as follows: the whole puncture mechanism is fixed outside the puncture part through the fixing mechanism, the mounting tube 2 is pinched, the puncture needle body 11 is used for puncture, during puncture, the wing pieces 15 at the two sides of the puncture needle body 11 are tightly attached to the skin to prevent the puncture needle body 11 from moving, after the puncture is finished, the valve ball 18 is rotated by rotating the rod 14, so that the through hole 19 on the valve ball 18 corresponds to the drainage tube 17 up and down, and at the moment, due to the negative pressure effect in the negative pressure drainage bag 5, so that the blood enters the negative pressure drainage bag 5 through the puncture needle body 11, the reducer pipe 12 and the drainage tube 17 in sequence to finish the bloodletting, in the whole bloodletting process, the flow area between the through hole 19 and the drainage tube 17 can be adjusted by rotating the position of the valve ball 18 in the drainage tube 17, so as to achieve the purpose of adjusting the blood flow rate, and the reducing pipe 12 is arranged to enable the blood to flow from the wide inner diameter to the narrow inner diameter and prevent the blood from coagulating in the flowing process under the combined action of the negative pressure drainage bag 5.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An anticoagulant puncture needle comprises a fixed cylinder (1) and is characterized in that an installation tube (2) is inserted into the upper end of the interior of the fixed cylinder (1), a positioning sleeve (16) is fixedly installed at the lower end of the interior, close to the installation tube (2), of the fixed cylinder (1), a puncture needle body (11) is movably installed in the middle of the positioning sleeve (16), a reducer tube (12), a drainage tube (17) and a negative pressure drainage bag (5) are sequentially connected to the upper end of the puncture needle body (11), scale marks (6) are formed in the middle of the outer surface of the negative pressure drainage bag (5), and a communicating tube (4) is installed at one end, close to the drainage tube (17), of the negative pressure drainage bag (5);

a sleeve (13) penetrates through the part, corresponding to the drainage tube (17), of the mounting tube (2), a rotating rod (14) is mounted in the sleeve (13), a valve ball (18) is mounted at one end, extending into the drainage tube (17), of the rotating rod (14), and a through hole (19) is formed in the valve ball (18);

the middle part of the outer ring surface of the fixed cylinder (1) is provided with mounting frames (10) at intervals, and the fixed cylinder (1) is provided with a fixing mechanism through the mounting frames (10).

2. An anticoagulant puncture needle according to claim 1, wherein the fixing mechanism comprises a fixing rod (9), an adjustable supporting rod (7) and a base (8), the outer surface of the mounting frame (10) is fixedly connected with the fixing rod (9), the outer end, far away from the mounting frame (10), of the fixing rod (9) is rotatably connected with the adjustable supporting rod (7), and the lower end of the adjustable supporting rod (7) is connected with the upper surface of the base (8).

3. An anticoagulant puncture needle according to claim 1, wherein a fin (15) is symmetrically installed at the lower end of the outer circumferential surface of the puncture needle body (11).

4. An anticoagulant puncture needle according to claim 1, wherein the upper end of the outer annular surface of the mounting tube (2) is fixedly provided with clamping rods (3) which are arranged at intervals.

5. An anticoagulant puncture needle according to claim 1, wherein the upper end of the puncture needle body (11) is connected with the lower end of a reducer tube (12), the upper end of the reducer tube (12) is connected with the lower end of a drainage tube (17), and the upper end of the drainage tube (17) is connected with the middle part of the lower surface of a negative pressure drainage bag (5).

6. An anticoagulant puncture needle according to claim 1, wherein the puncture needle body (11), the reducer tube (12), the drainage tube (17) and the inside of the negative pressure drainage bag (5) are communicated with each other.

7. An anticoagulant puncture needle according to claim 1 wherein the diameter of the valve ball (18) is the same as the inner diameter of the drain tube (17).

8. An anticoagulant puncture needle according to claim 2 wherein the adjustable strut (7) is comprised of a base tube, an inner rod inserted inside the base tube, and a securing bolt extending through the base tube to the outer surface of the inner rod.