CN219332777U

CN219332777U - Precise filtering transfusion device with soft needle

Info

Publication number: CN219332777U
Application number: CN202320135675.1U
Authority: CN
Inventors: 王瑞祥; 柴博远; 宋腾腾
Original assignee: Jiakang Medical Equipment Qingdao Co ltd
Current assignee: Jiakang Medical Equipment Qingdao Co ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-07-14
Anticipated expiration: 2033-01-13

Abstract

The utility model relates to a medical appliance, in particular to a precise filtration transfusion system with a soft needle, which comprises a transfusion system body and a transfusion needle head; the infusion needle comprises an infusion steel needle unit and an infusion soft needle unit, wherein the infusion soft needle unit comprises a three-way pipe, a soft needle, an extension pipe and a protective cap, and the infusion steel needle unit comprises a needle core, a needle handle and a needle handle blade; the utility model relates to a precise filtration transfusion system with a soft needle, which is applied to intravenous transfusion treatment, and because the soft needle is used for replacing a scalp steel needle for injection, the soft needle presents a floating state after entering human blood, the problem of liquid medicine extravasation caused by the fact that the steel needle breaks blood vessels can be effectively solved, and the whole transfusion process is safer; and the use of the soft needle greatly increases the comfort of the patient, so that the patient can move more conveniently, and the workload of the family members of the patient and nursing staff is reduced.

Description

Precise filtering transfusion device with soft needle

Technical Field

The utility model relates to a medical appliance, in particular to a precise filtration transfusion system with a soft needle.

Background

Intravenous infusion therapy is one of the most commonly used therapeutic care means for clinical care, and the quality of infusion therapy directly affects the time for healing of a patient's disease. With the increasing importance of the state on the transfusion management, the state administrative administration continuously requires improvement and perfection of the transfusion system.

At present, most of intravenous infusion sets still adopt scalp steel needles to carry out infusion treatment on patients, the steel needles are easy to puncture extravasation of angiogenesis liquid medicine in the infusion mode to cause bulge, and in the infusion treatment process, the patients are required to limit the movement of limbs as much as possible, so that the comfort level is obviously reduced.

Therefore, the soft needle is used for replacing the steel needle in the precise filtration infusion set, and researches prove that the thermoplastic polyurethane rubber soft needle is in a floating state after entering human blood, so that the comfort level of a patient is greatly improved, the patient can move more conveniently, and the extravasation caused by the fact that the original steel needle penetrates through a blood vessel is effectively prevented.

For this purpose, we propose a fine filtration infusion set with a soft needle.

Disclosure of Invention

The utility model aims to provide a precise filtering transfusion device with a soft needle, which can effectively solve the problems of inconvenient movement of a patient and extravasation of liquid medicine caused by the blood vessel broken by a steel needle in intravenous transfusion treatment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a precise filtration transfusion system with a soft needle comprises a transfusion system body and a transfusion needle head;

the infusion apparatus body comprises a puncture outfit, an air filter, a drip chamber, a precision filter, a flow rate regulator, a medicine feeder, a heparin cap and an infusion catheter; the puncture outfit is connected with the air filter; the puncture outfit, the dropping funnel, the precise filter, the drug adding device and the heparin cap are sequentially communicated through an infusion catheter, and the flow rate regulator is arranged on the infusion catheter;

the infusion needle comprises an infusion steel needle unit and an infusion soft needle unit, and the infusion steel needle unit is connected with the infusion soft needle unit;

the transfusion soft needle unit comprises a three-way pipe, an extension pipe, a soft needle and a protective cap; the first end of the three-way pipe is communicated with the soft needle, and the protective cap is sleeved on the soft needle; the second end of the three-way pipe is communicated with the extension pipe, and one end of the extension pipe is communicated with the heparin cap; a separation plug is arranged in the three-way pipe;

the infusion steel needle unit comprises a needle core, a needle handle and a needle handle blade; one end of the needle core is fixed in the needle handle, the other end of the needle core passes through the isolation plug, the needle core is attached to the inner wall of the soft needle, and the needle core extends out of the soft needle; the needle handle comprises a first needle handle and a second needle handle which are sequentially arranged, the first needle handle is embedded in the third end of the three-way pipe, and the second needle handle is positioned outside the three-way pipe and connected with the needle handle blade.

Preferably, a side hole is formed in the side wall, close to the tip, of the needle core.

Preferably, the needle handle and the needle handle blade are integrally formed.

Preferably, the needle handle blade is provided with a protrusion.

Preferably, the needle handle is provided with an indicator.

Preferably, the soft needle is made of thermoplastic polyurethane rubber.

Preferably, the flow rate regulator is disposed on the infusion catheter between the precision filter and the doser.

Preferably, the extension tube is provided with a liquid stop clamp.

Preferably, a liquid stopping clamp is arranged on the infusion catheter between the puncture outfit and the dropping funnel.

Preferably, the isolation plug is made of rubber.

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

as described above, the utility model relates to a precise filtration transfusion system with a soft needle, which is applied to intravenous transfusion treatment, and because the soft needle is used for replacing a scalp steel needle for injection, the soft needle is in a floating state after entering human blood, and the problem of liquid medicine extravasation caused by the blood vessel rupture of the steel needle can be effectively solved, so that the whole transfusion process is safer; and the use of the soft needle greatly increases the comfort of the patient, so that the patient can move more conveniently, and the workload of the family members of the patient and nursing staff is reduced.

Drawings

FIG. 1 is a schematic view of the whole structure of the needle core of the present utility model without being pulled out;

FIG. 2 is a schematic view of the whole structure of the needle after the needle core is pulled out;

FIG. 3 is a schematic view of the structure of the infusion soft needle unit of the present utility model;

FIG. 4 is a schematic view of the structure of the infusion steel needle unit of the present utility model;

FIG. 5 is an enlarged view of a portion of the present utility model;

the infusion device comprises an 11-infusion catheter, a 12-puncture outfit, a 13-air filter, a 14-liquid stopping clamp, a 15-drip funnel, a 16-precision filter, a 17-flow speed regulator, an 18-medicine feeder, a 19-heparin cap, a 21 three-way pipe, a 22-soft needle, a 23-extension pipe, a 24-protective cap, a 25-isolation plug, a 31-needle core, a 32-first needle handle, a 33-second needle handle, a 34-needle handle blade, a 35-bulge, a 36-indicator and a 37-side hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.

As shown in fig. 1 to 5, the present utility model relates to a precise filtration infusion set with a soft needle, which comprises an infusion set body and an infusion needle.

As shown in fig. 1 and 2, the infusion set body includes a puncture outfit 12, an air filter 13, a drip chamber 15, a fine filter 16, a flow rate regulator 17, a doser 18, a heparin cap 19, and an infusion catheter 11. The puncture outfit 12, the drip funnel 15, the precise filter 16, the drug adding device 18 and the heparin cap 19 are sequentially communicated through the infusion catheter 11. An air filter 13 is connected to the puncture outfit 12 for filtering air. The fine filter 16 is used to filter the infusion particles in the liquid medicine, and prevent the infusion particles from being contaminated. A flow rate regulator 17 is provided on the infusion tube 11 between the fine filter 16 and the doser 18 for regulating the infusion rate. A liquid stopping clamp 14 is arranged on the transfusion catheter 11 between the puncture outfit 12 and the dropping funnel 15 and can be used for stopping transfusion.

As shown in fig. 3 to 5, the infusion needle comprises an infusion steel needle unit and an infusion soft needle unit, and the infusion steel needle unit is connected with the infusion soft needle unit.

The transfusion soft needle unit comprises a three-way pipe 21, a soft needle 22, an extension pipe 23 and a protective cap 24. Inside the tee 21 is provided a spacer plug 25, the spacer plug 25 being made of rubber, which is provided for the purpose of preventing blood from oozing out.

The first end of the three-way pipe 21 is communicated with the soft needle 22, and a protective cap 24 is sleeved on the soft needle 22 to prevent the soft needle 22 from being polluted; the second end of the three-way pipe 21 is communicated with one end of an extension pipe 23, the other end of the extension pipe 23 is communicated with a heparin cap 19, and a liquid stopping clamp 14 is arranged on the extension pipe 23 and used for stopping transfusion.

The soft needle 22 is made of thermoplastic polyurethane rubber, and after the soft needle 22 is successfully punctured into a human body, the soft needle 22 becomes soft when meeting blood and presents a floating state, so that the problem of liquid medicine extravasation caused by the blood vessel is effectively solved, and the whole transfusion process is safer; the use of the soft needle 22 greatly increases patient comfort and facilitates movement, thereby also reducing the workload of the patient's family and caregivers. And the specification and the model of the soft needle 22 are matched with those of the original steel needle, so that the clinical requirements of people in all age groups can be met.

The infusion steel needle unit comprises a needle core 31, a needle handle and a needle handle blade 34. One end of the needle core 31 is fixed in the needle handle, and the other end of the needle core 31 passes through the isolating plug 25 and extends out of the soft needle 22; the needle core 31 is tightly attached to the soft needle 22, and after the tip of the needle core 31 pierces the skin, the soft needle 22 is simultaneously sent into the blood vessel, and the needle core 31 can be pulled out after the soft needle 22 is successfully sent into the vein. The side wall of the needle core 31 close to the tip is provided with a side hole 37, namely a blood return cavity, so that the blood returning from the needle core 31 can quickly pass through the side hole 37 and enter the soft needle 22.

The needle handle comprises a first needle handle 32 and a second needle handle 33, the first needle handle 32 and the second needle handle 33 are connected with each other, the first needle handle 32 is embedded in the third end of the three-way pipe 21, the second needle handle 33 is positioned outside the three-way pipe 21 and connected with the needle handle blade 34, and the needle handle blade 34 are integrally formed and are firm and firm. The needle handle blade 34 is provided with a protrusion 35 which is arranged to increase friction force and facilitate the extraction of medical staff. An indicator 36 is also provided on the needle handle for indicating the direction of withdrawal.

When medical staff performs intravenous infusion on a patient, the protective cap 24 sleeved on the soft needle 22 is pulled out, at this time, because the needle core 31 is tightly attached to the inner wall of the soft needle 22, when the tip of the needle core 31 is utilized to puncture the skin, the soft needle 22 sleeved outside the needle core 31 can be sent into the vein, then the needle handle blade 34 can be pressed by hands, the needle core 31 is pulled out in the direction indicated by the indicator 36, the infusion apparatus can be fixed after the operation is finished, and the patient can perform intravenous infusion treatment.

Of course, the above-mentioned embodiments are only preferred embodiments of the present utility model, and not limiting the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model and should be protected by the present utility model.

Claims

1. A take soft needle's precision filtration transfusion system which characterized in that: comprises an infusion apparatus body and an infusion needle;

the transfusion soft needle unit comprises a three-way pipe, a soft needle, an extension pipe and a protective cap; the first end of the three-way pipe is communicated with the soft needle, and the protective cap is sleeved on the soft needle; the second end of the three-way pipe is communicated with the extension pipe, and one end of the extension pipe is communicated with the heparin cap; a separation plug is arranged in the three-way pipe;

the infusion steel needle unit comprises a needle core, a needle handle and a needle handle blade; one end of the needle core is fixed in the needle handle, the other end of the needle core passes through the isolation plug, the needle core is attached to the inner wall of the soft needle, and the needle core extends out of the soft needle; the needle handle comprises a first needle handle and a second needle handle which are sequentially arranged, and the first needle handle and the second needle handle are connected with each other; the first needle handle is embedded in the third end of the three-way pipe, and the second needle handle is positioned outside the three-way pipe and connected with the needle handle blade.

2. The soft needle attached precision filtration infusion set of claim 1, wherein: the side wall of the needle core, which is close to the tip end, is provided with a side hole.

3. The soft needle attached precision filtration infusion set of claim 1, wherein: the needle handle and the needle handle blade are integrally formed.

4. The soft needle attached precision filtration infusion set of claim 1, wherein: the needle handle blade is provided with a bulge.

5. The soft needle attached precision filtration infusion set of claim 1, wherein: an indicator is arranged on the needle handle.

6. The soft needle attached precision filtration infusion set of claim 1, wherein: the soft needle is made of thermoplastic polyurethane rubber.

7. The soft needle attached precision filtration infusion set of claim 1, wherein: the flow rate regulator is disposed on the infusion catheter between the precision filter and the doser.

8. The soft needle attached precision filtration infusion set of claim 1, wherein: the extension tube is provided with a liquid stopping clamp.

9. The soft needle attached precision filtration infusion set of claim 1, wherein: a liquid stopping clamp is arranged on the infusion catheter between the puncture outfit and the dropping funnel.

10. The soft needle attached precision filtration infusion set of claim 1, wherein: the isolation plug is made of rubber.