CN218420575U

CN218420575U - Air hole puncture needle for infusion tube

Info

Publication number: CN218420575U
Application number: CN202221803247.3U
Authority: CN
Inventors: 胡智凱; 蔡忠霖
Original assignee: Jiangsu Songde Biotechnology Co ltd
Current assignee: Jiangsu Songde Biotechnology Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2023-02-03
Anticipated expiration: 2032-07-13

Abstract

The utility model discloses an air pocket pjncture needle for infusion tube, air pocket pjncture needle include the tube connecting portion and the needle puncture portion that connect gradually with infusion burette and infusion bottle, are provided with air inlet portion between tube connecting portion and the needle puncture portion, and air inlet portion's lateral end link up the intercommunication with needle puncture portion top, and tube connecting portion, air inlet portion and the inside intercommunication that link up of needle puncture portion to still be provided with the drive in needle puncture portion and penetrate the structure. Water-proof and air-permeable films are embedded into the inlet of the air inlet channel at the side end of the air inlet part and the outlet of the air inlet channel at the top end of the needle puncture part. The structure of the air hole puncture needle greatly simplifies the structure and the volume of the prior puncture needle through the arrangement of the air inlet part, and saves manufacturing materials and production cost. Through the arrangement of the drive penetrating structure, the needle penetrating part can be quickly and smoothly penetrated into an infusion bottle, so that the integrity of a rubber plug of the infusion bottle is protected; and the positioning connection with the transfusion dropper is realized by arranging a connecting pipe and a conical penetration pipe.

Description

Air hole puncture needle for infusion tube

Technical Field

The utility model relates to an infusion pjncture needle technical field especially relates to an air pocket pjncture needle for infusion tube.

Background

The infusion tube is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment and is used for intravenous infusion. Generally comprises eight parts of a vein needle or an injection needle, a needle head protective cap, a transfusion hose, a liquid medicine filter, a flow rate regulator, a transfusion dropper, a bottle stopper puncture needle, an air filter and the like which are connected. In order to realize that the liquid medicine in the infusion bottle can smoothly flow into the infusion tube, an air inlet pipe (10 b in the attached figure 5) is arranged on one side of the top end of the infusion dropper so as to suck the external air into the infusion bottle, and the liquid medicine can smoothly flow.

Because the intake pipe length that the outside set up is longer, and need be the mode that the slope upwards set up, it not only increases the cost of manufacture of transfer line, simultaneously longer and the intake pipe that sets up with specific direction can cause its jam of buckling because of exogenic action causes when using, influence the continuous entering of outside air, and then cause the output of liquid medicine to be interrupted, cause the influence to normal infusion, still can cause the intake pipe to have cracked problem simultaneously under great exogenic action, cause whole transfer line to be abandoned, not only cause use cost's increase, still cause the waste of resource and later stage medical waste disposal's burden simultaneously.

Disclosure of Invention

To the problem that exists, the utility model aims at providing an air pocket pjncture needle for infusion tube has greatly simplified the structure and the volume size of present pjncture needle, saves manufacturing material and manufacturing cost to realize with the quick location of infusion bottle and infusion burette and can't harm and be connected.

In order to achieve the above object, the utility model adopts the following technical scheme: an air hole puncture needle for a transfusion tube is characterized in that: the air hole puncture needle comprises a tube connecting part and a needle puncture part which are sequentially connected with an infusion dropper and an infusion bottle, an air inlet part is arranged between the tube connecting part and the needle puncture part, the side end part of the air inlet part is communicated with the top end of the needle puncture part, the tube connecting part, the air inlet part and the interior of the needle puncture part are communicated, and a driving penetrating structure is further arranged on the needle puncture part.

Preferably, the tip of air inlet portion with it has air intake passage to link up between the needle puncture portion top, the inside dropping liquid passageway that links up of union coupling portion, air inlet portion and needle puncture portion, and air intake passage and the relative separation of dropping liquid passageway all the embedding is provided with water proof ventilated membrane in air intake passage's the import department of air inlet portion side and the exit of the air intake passage on needle puncture portion top.

Preferably, the top of the needle puncture part is a pointed structure, and the driving penetration structure is a spiral penetration groove arranged on the surface of the pointed structure.

Preferably, a connection pipe closely connected with the infusion dropper is further arranged at the bottom end of the pipe connection part, and a tapered penetration pipe is arranged at the bottom end of the connection pipe.

The beneficial effects of the utility model are that: the structure of the air hole puncture needle greatly simplifies the structure and the volume of the prior puncture needle through the arrangement of the air inlet part, and saves the manufacturing material and the production cost. Through the arrangement of the drive penetrating structure, the needle penetrating part can be quickly and smoothly penetrated into an infusion bottle, so that the integrity of a rubber plug of the infusion bottle is protected; and the positioning connection with the transfusion dropper is realized by arranging a connecting pipe and a conical penetration pipe.

Drawings

Fig. 1 is a three-dimensional structure diagram of the stomal puncture needle of the utility model.

Fig. 2 is a sectional view of the stomal puncture needle of the present invention.

Fig. 3 is a front view of the stomal puncture needle of the present invention.

Fig. 4 is a structural diagram of the infusion dropper of the present invention.

Fig. 5 is a structural diagram of a conventional infusion dropper of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 4, the puncture needle 1 includes a tube connecting portion 1a and a needle piercing portion 1b connected in sequence to an infusion dropper 10 and an infusion bottle, an air inlet portion 1c is provided between the tube connecting portion 1a and the needle piercing portion 1b, a side end portion of the air inlet portion 1c is communicated with a top end of the needle piercing portion 1b, and the tube connecting portion 1a, the air inlet portion 1c and the needle piercing portion 1b are communicated with each other. During assembly, the puncture needle 1 is hermetically connected to the drip tube 10 through the tube connecting portion 1a and connected to an infusion bottle through the needle puncturing portion 1 b. During infusion, external air is introduced into the infusion bottle through the air inlet part 1c and the needle puncture part 1b, and the medicinal liquid in the infusion bottle continuously drops into the infusion dropper 10 through the needle puncture part 1b, the air inlet part 1c and the inner penetration of the tube connection part 1a, and is infused into the body of a patient through the infusion tube. The air hole puncture needle 1 with the structure greatly simplifies the structure and the volume of the prior puncture needle, and saves the manufacturing material and the production cost.

In order to facilitate the smooth insertion of the needle puncture portion 1b into the infusion bottle, as shown in fig. 3, a drive insertion mechanism is further provided in the needle puncture portion 1 b.

Specifically, as shown in fig. 1-2, an air inlet passage 101 penetrates between the end of the air inlet portion 1c and the top end of the needle puncture portion 1b, a drip passage 102 penetrates through the tube connection portion 1a, the air inlet portion 1c and the needle puncture portion 1b, and the air inlet passage 101 and the drip passage 102 are relatively blocked, so that air input into the infusion bottle and the liquid medicine in the infusion bottle drip into the infusion dropper 10 without affecting each other.

A water-impermeable and air-permeable membrane (not shown) is inserted into both the inlet of the air inlet passage 101 at the side of the air inlet portion 1c and the outlet of the air inlet passage 101 at the tip of the needle piercing portion 1 b. The waterproof and breathable film embedded into the top end of the air inlet channel 101 can effectively avoid the problem that liquid medicine in an infusion bottle flows out from the air inlet channel 101 to cause dripping waste, and the air inlet channel 101 is blocked to influence the difficulty in air entering, so that the liquid medicine cannot drip. The water-proof and air-permeable film arranged at the bottom end of the air inlet channel 101 can effectively prevent liquid in the external environment from entering the infusion bottle to cause pollution.

As shown in fig. 3, the top of the needle puncture part 1b is a pointed structure, and the drive penetration structure is a spiral penetration groove a arranged on the surface of the pointed structure. In practice, the port of the infusion bottle is sealed by a rubber plug, and the needle puncture part 1b can smoothly penetrate through the sharp structure to form sealed connection. And wear to establish the in-process of needle puncture portion 1b at external force, because the rubber buffer is soft structure, wear to establish the elastic deformation that can cause the rubber buffer and warp under the effect at external force for needle puncture portion 1b follows the incline, can cause the excessive rupture of rubber buffer, leakproofness when influencing the dropping liquid, consequently wear to enter the groove a through the spiral and penetrate the rubber buffer with needle puncture portion 1b is rotatory, can effectively avoid external force to wear to establish the excessive problem of breaking and influence the dropping liquid hourglass that causes.

As shown in fig. 4, the drip tube 10 has a connection nozzle 10a at the top end, and in order to facilitate the sealing connection of the tube connection portion 1a to the connection nozzle 10a, as shown in fig. 1 and 3, a connection tube 1a1 which is closely fitted to the drip tube 10 is further provided at the bottom end of the tube connection portion 1a, and a tapered penetration tube 1a2 is provided at the bottom end of the connection tube 1a 1. During the connection, the toper penetrates pipe 1a2 can be quick penetrates mouth of connecting 10a and realizes the location, penetrates connecting pipe 1a1 once more through external force and hugs closely sealedly to mouth of connecting 10a, realizes quick sealing connection between them to avoid the damage problem of damage that external force caused mouth of connecting 10 a.

The principle of the utility model is that: during assembly, the air hole puncture needle 1 is positioned and penetrated into a connecting pipe orifice 10a of the infusion dropper 10 to be hermetically connected through a connecting pipe 1a1 at the bottom end of the pipe connecting part 1a and the conical penetration pipe 1a 1; then, the needle puncture part 1b is rotated to penetrate the rubber stopper of the iv bottle and is connected to the iv bottle. During infusion, the air inlet portion 1c is communicated with the needle puncture portion 1b to introduce external air into the infusion bottle through the air inlet passage 101, and the liquid medicine in the infusion bottle is continuously dropped into the infusion dropper 10 through the needle puncture portion 1b, the air inlet portion 1c and the tube connection portion 1a and is infused into the patient through the infusion tube by means of the infusion channel 102. The air hole puncture needle 1 with the structure greatly simplifies the structure and the volume of the prior puncture needle, and saves manufacturing materials and production cost.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An air hole puncture needle for a transfusion tube is characterized in that: the air hole puncture needle (1) comprises a tube connecting part (1 a) and a needle puncture part (1 b) which are sequentially connected with an infusion dropper (10) and an infusion bottle, an air inlet part (1 c) is arranged between the tube connecting part (1 a) and the needle puncture part (1 b), the side end part of the air inlet part (1 c) is communicated with the top end of the needle puncture part (1 b) in a penetrating way, the tube connecting part (1 a), the air inlet part (1 c) and the needle puncture part (1 b) are communicated in an internal penetrating way, and a driving penetrating structure is further arranged on the needle puncture part (1 b).

2. The puncture needle for the infusion tube according to claim 1, wherein: the tip of air inlet portion (1 c) with it has air intake passage (101) to link up between needle puncture portion (1 b) top, tube connecting portion (1 a), air inlet portion (1 c) and needle puncture portion (1 b) are inside to link up there is dropping liquid passageway (102), and air intake passage (101) and the relative separation of dropping liquid passageway (102) the import department of air intake passage (101) and the exit of air intake passage (101) on needle puncture portion (1 b) top of air inlet portion (1 c) side all imbed and are provided with water proof ventilated membrane.

3. The puncture needle for the infusion tube according to claim 2, wherein: the top of the needle puncture part (1 b) is provided with a pointed structure, and the driving penetrating structure is a spiral penetrating groove (a) arranged on the surface of the pointed structure.

4. The puncture needle for the infusion tube according to claim 3, wherein: a connecting pipe (1 a 1) which is closely connected with the transfusion dropper (10) in a penetrating way is arranged at the bottom end of the pipe connecting part (1 a), and a conical penetration pipe (1 a 2) is arranged at the bottom end of the connecting pipe (1 a 1).