CN218889725U - Knee joint effusion lavage device - Google Patents

Abstract

The utility model provides a knee joint hydrops lavage device, it includes pjncture needle (1) and transfer line (2), pjncture needle (1) includes syringe needle (10) and needle (11), be provided with the infusion cavity in needle (11), be provided with the feed liquor pipeline on needle (11) outer wall, the feed liquor pipeline is linked together with the infusion cavity, syringe needle (10) are installed in needle (11) bottom, the feed liquor mouth of syringe needle (10) is linked together with the infusion cavity, transfer line (2) are linked together with the feed liquor pipeline of needle (11); the advantages are that: in the process of lavaging the joint cavity, the puncture needle component is always inserted in the joint cavity, repeated puncture of the joint cavity is not needed, pain of a patient can be relieved, the joint cavity is in a closed state, contact between the joint cavity and the external environment can be reduced, and accordingly infection probability is reduced. The puncture needle hand-held part is pinched to insert, so that the operation of medical staff is facilitated, and different liquid medicines can be injected through the branch pipelines according to the needs.

Description

Knee joint effusion lavage device

Technical Field

The utility model relates to the field of knee joint treatment equipment, in particular to a knee joint effusion lavage device.

Background

At present, suppurative knee arthritis is one of the clinically common diseases, the treatment difficulty is high and the recurrence probability is high, in the prior art, generally, an injector is used for extracting falling fragments, small free bodies, cellulose and denatured joint liquid from a joint cavity, after the extraction is finished, physiological saline is injected into the joint cavity again by the injector, the operation is repeated until the extracted mixed liquid is in a clear state, and the process of extracting the liquid by the injector needs to repeatedly extract and insert a needle head of the injector, so that the pain of a patient is aggravated, the burden of medical staff is increased, and in addition, the joint cavity is in an open state in the process of extracting the joint liquid and the mixed liquid, retrograde infection is easily caused, the steps are more and the operation is complicated, and the work efficiency of extracting liquid is reduced.

Disclosure of Invention

The utility model aims to overcome the defects and provide a knee joint effusion lavage device.

The utility model comprises a puncture needle and a transfusion tube,

the puncture needle comprises a needle head and a needle handle, an infusion cavity is arranged in the needle handle, a liquid inlet pipeline is arranged on the outer wall of the needle handle, the liquid inlet pipeline is communicated with the infusion cavity, the needle head is arranged at the bottom of the needle handle, a liquid inlet of the needle head is communicated with the infusion cavity, and the infusion tube is communicated with the liquid inlet pipeline of the needle handle.

The needle head of the puncture needle is a blunt needle, and a pair of oval liquid outlets are symmetrically distributed on the outer wall of the bottom of the needle head.

The top of the needle handle of the puncture needle is provided with a holding part, the holding part is rectangular, and two sides of the holding part are respectively provided with a group of anti-skid lines.

The liquid inlet pipeline is obliquely arranged on the outer wall of the needle handle.

The infusion tube is communicated with the liquid inlet pipeline of the needle handle through the silica gel sleeve.

The liquid inlet end of the infusion tube is provided with a Y-shaped branch liquid inlet pipeline, and a pair of inlet ends of the Y-shaped branch liquid inlet pipeline are respectively provided with infusion bottle puncture needles.

The hand-held part and the needle handle are integrally formed.

The included angle between the liquid inlet pipeline of the needle handle and the horizontal plane is alpha, and the alpha is 20-40 degrees.

The infusion tube is provided with a flow regulator.

A pair of flow regulators are arranged on the Y-shaped branch liquid inlet pipeline.

The utility model has the advantages that: in the process of lavaging the joint cavity, the puncture needle component is always inserted in the joint cavity, repeated puncture of the joint cavity is not needed, pain of a patient can be relieved, the joint cavity is in a closed state, contact between the joint cavity and the external environment can be reduced, and accordingly infection probability is reduced. The puncture needle hand-held part is pinched to insert, so that the operation of medical staff is facilitated, and different liquid medicines can be injected through the branch pipelines according to the needs.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of the structure of the puncture needle of the present utility model.

FIG. 3 is a schematic cross-sectional view of the lancet of the present utility model.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawings, the utility model comprises a puncture needle 1 and an infusion tube 2,

the puncture needle 1 comprises a needle head 10 and a needle handle 11, an infusion cavity is arranged in the needle handle 11, a liquid inlet pipeline is arranged on the outer wall of the needle handle 11 and is communicated with the infusion cavity, the needle head 10 is arranged at the bottom of the needle handle 11, a liquid inlet of the needle head 10 is communicated with the infusion cavity, and the infusion tube 2 is communicated with the liquid inlet pipeline of the needle handle 11.

The needle head 10 of the puncture needle 1 is a blunt needle, and a pair of oval liquid outlets are symmetrically distributed on the outer wall of the bottom of the needle head 10.

The top of the needle handle 11 of the puncture needle 1 is provided with a handheld part 4, the handheld part 4 is rectangular, and two sides of the handheld part 4 are respectively provided with a group of anti-skid lines.

The liquid inlet pipeline is obliquely arranged on the outer wall of the needle handle 11.

The infusion tube 2 is communicated with a liquid inlet pipeline of the needle handle 11 through a silica gel sleeve.

The liquid inlet end of the infusion tube 2 is provided with a Y-shaped branch liquid inlet pipeline 12, and a pair of inlet ends of the Y-shaped branch liquid inlet pipeline 12 are respectively provided with infusion bottle puncture needles.

The hand-held part 4 is integrally formed with the handle 11.

The included angle between the liquid inlet pipeline of the needle handle 11 and the horizontal plane is alpha, and the alpha is 20-40 degrees. The liquid inlet pipeline has an inclination angle, so that liquid inlet is smoother.

The infusion tube 2 is provided with a flow regulator.

A pair of flow regulators are provided on the Y-branch feed pipe 12.

Example 1: the medical staff connects the puncture needle 1 with the infusion tube 2, inserts the puncture needle 1 into the knee joint of the patient, and sends lavage liquid through the infusion tube 2 to treat the knee joint of the patient.

Example 2: the medical staff holds the hand-held part 4, inserts the blunt needle into the knee joint of the patient, the Y-shaped branch liquid inlet pipeline 12 of the infusion tube 2 is inserted into the corresponding infusion bottle through the infusion bottle puncture needle, and the appointed treatment liquid is selected or simultaneously input into the knee joint of the patient, and the other end of the knee joint of the patient is also provided with a liquid outlet needle for guiding or extracting the cleaning liquid.

Example 3: the needle 10 of the puncture needle 1 is a blunt needle, the blunt tip does not hurt tissues such as a synovial meniscus fat pad, a flow regulator is arranged on the infusion tube 2, the flow rate of the input cleaning liquid can be regulated, a pair of flow regulators are arranged on the Y-shaped branch liquid inlet pipeline 12, the flow rates of different lavage liquids can be regulated, and one branch liquid inlet pipe can be closed.

Claims (10)

1. The knee joint effusion lavage device is characterized by comprising a puncture needle (1) and a transfusion tube (2),

the puncture needle (1) comprises a needle head (10) and a needle handle (11), an infusion cavity is arranged in the needle handle (11), a liquid inlet pipeline is arranged on the outer wall of the needle handle (11), the liquid inlet pipeline is communicated with the infusion cavity, the needle head (10) is arranged at the bottom of the needle handle (11), a liquid inlet of the needle head (10) is communicated with the infusion cavity, and the infusion tube (2) is communicated with the liquid inlet pipeline of the needle handle (11).

2. The knee joint effusion lavage device according to claim 1, characterized in that the needle head (10) of the puncture needle (1) is a blunt needle, and a pair of oval liquid outlets are symmetrically arranged on the outer wall of the bottom of the needle head (10).

3. The knee joint effusion lavage device according to claim 1, characterized in that the top of the needle handle (11) of the puncture needle (1) is provided with a hand-held part (4), the hand-held part (4) is rectangular, and two sides of the hand-held part (4) are respectively provided with a group of anti-skid lines.

4. A knee joint effusion lavage device according to claim 1, characterized in that the liquid inlet conduit is mounted obliquely to the outer wall of the needle handle (11).

5. A knee joint effusion lavage device according to claim 1, characterized in that the infusion tube (2) is in communication with the liquid inlet conduit of the needle handle (11) through a silicone sleeve.

6. The knee joint effusion lavage device according to claim 1, characterized in that the liquid inlet end of the infusion tube (2) is provided with a Y-branch liquid inlet pipe (12), and a pair of inlet ends of the Y-branch liquid inlet pipe (12) are respectively provided with infusion bottle puncture needles.

7. A knee joint effusion lavage device according to claim 3, characterized in that the hand-hold portion (4) is integrally formed with the needle handle (11).

8. A knee joint effusion lavage device according to claim 4, characterized in that the angle between the inlet conduit of the needle handle (11) and the horizontal plane is α, α being 20-40 °.

9. A knee joint effusion lavage device according to claim 1, characterized in that a flow regulator is arranged on the infusion tube (2).

10. A knee joint effusion lavage device as in claim 6 wherein a pair of flow regulators are provided on the Y-branch inlet conduit (12).

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