Tandem type double-three-way connector and using method thereof

Abstract

The invention belongs to the technical field of medical three-way connectors and discloses a tandem type double-three-way connector and a using method thereof.The tandem type double-three-way connector comprises a left tee joint, a right tee joint and a connecting pipe, and the left tee joint is provided with a first connector on the left side, a second connector on the front side and a first tandem head on the right side; a connector III is arranged on the front side of the right tee joint; a connector IV is arranged on the right side of the right tee joint; the first series connection head and the second series connection head are fixedly connected and communicated through the connecting pipe. The cyst aspiration hardening device is simple and reasonable in structure, the left tee joint and the right tee joint are fixedly connected into a whole through the connecting pipe, the cyst aspiration hardening device can be directly taken for use during cyst aspiration hardening treatment, the two tee joints are stably connected, the liquid leakage and air inlet conditions are avoided, and the working efficiency and sanitary safety are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of medical three-way connectors, and in particular relates to a series double three-way connector and a use method thereof. Background Art

[0002] Medical three-way pipe joint is a commonly used medical device, mainly used to connect infusion tubes, syringes and other equipment in medical processes such as infusion and blood transfusion, which is convenient for medical staff to operate. Medical three-way pipe joint is generally made of polypropylene material, which has the characteristics of transparency, corrosion resistance, high temperature resistance and not easy to deform.

[0003] During the aspiration sclerosis treatment of cysts, two three-way pipe joints must be connected in series on site, which is cumbersome. In addition, the connection between the two three-way pipes in series is not tight enough, and liquid leakage or gas entry often occurs during the operation. Liquid leakage will cause pollution, and gas entry is strictly prohibited during the operation. Therefore, the traditional three-way pipe needs to be improved in terms of convenience, hygiene and safety. Summary of the invention

[0004] In order to overcome the above technical problems, the present invention provides a series double three-way joint and a method for using the same, and designs an integrated double three-way joint to improve work efficiency and ensure hygiene and safety.

[0005] The present invention adopts the following technical solutions:

[0006] A series double tee joint comprises: a left tee, wherein the left tee has an interface 1 on the left side, an interface 2 on the front side, and a series head 1 on the right side; a right tee, wherein the right tee has a series head 2 on the left side, an interface 3 on the front side, and an interface 4 on the right side; and a connecting pipe, wherein the connecting pipe fixedly connects the series head 1 and the series head 2.

[0007] Preferably, the left three-way valve has a valve core 1, and the right three-way valve has a valve core 2, and both the valve core 1 and the valve core 2 are T-shaped valve cores.

[0008] Preferably, the left end of the interface one is provided with an external thread, and the right end of the interface four is provided with an internal thread.

[0009] Preferably, the interface 2 has a built-in one-way valve 1 opened inwards, and the connecting pipe has a built-in one-way valve 2 opened rightwards.

[0010] A series double tee joint comprises a left tee, a right tee and a connecting pipe, wherein the left tee has an interface 1 on the left side, an interface 2 on the front side and a series head 1 on the right side; the right tee has a series head 2 on the left side, an interface 3 on the front side and an interface 4 on the right side; the connecting pipe fixedly connects the series head 1 and the series head 2.

[0011] Preferably, the left three-way valve has a valve core 1, and the right three-way valve has a valve core 2, and both the valve core 1 and the valve core 2 are T-shaped valve cores.

[0012] Preferably, the left end of the interface one is provided with an external thread, and the right end of the interface four is provided with an internal thread.

[0013] Preferably, the interface 2 has a built-in one-way valve 1 opened inwards, and the connecting pipe has a built-in one-way valve 2 opened rightwards.

[0014] The present invention also discloses a method for using a series double tee joint, which uses the series double tee joint described above and further includes the following:

[0015] S1. Connection and installation

[0016] Connect port 4 to the puncture needle, port 3 to the waste liquid bag, port 2 to the saline bag, and port 1 to the syringe;

[0017] S2. Tissue fluid extraction

[0018] The regulating valve core 2 is connected to the interface 4 and the interface 3 to guide the tissue fluid to the waste liquid bag;

[0019] S3. Injection of saline

[0020] The regulating valve core 2 is connected to the interface 4 and the connecting pipe, the regulating valve core 1 is connected to the interface 1 and the interface 2, and the syringe is pulled out to suck the normal saline in the normal saline bag;

[0021] Adjust the valve core 1 to connect the interface 1 and the connecting tube, and push the syringe to inject normal saline into the puncture site;

[0022] S4. Regulating valve core 2 connects interface 4 and interface 3, and guides waste liquid to the waste liquid bag to complete a flushing.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] The present invention arranges a connecting pipe to fix the left three-way connection and the right three-way connection into one body. When performing cyst aspiration and sclerosis treatment, the device can be directly taken for use. The two three-way connections are stable, and no leakage or air intake occurs, thereby improving work efficiency and sanitary safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is an overall schematic diagram of Embodiment 1 of the present invention;

[0026] Figure 2 It is a horizontal cross-sectional schematic diagram of the second embodiment of the present invention.

[0027] Description of reference numerals:

[0028] 1. Left three-way connection; 2. Interface two; 3. Interface one; 4. Valve core one; 5. Right three-way connection; 6. Interface three; 7. Interface four; 8. Valve core two; 9. Connecting pipe; 10. One-way valve one; 11. One-way valve two; 12. Series connector one; 13. Series connector two. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. Unless otherwise specified, the raw materials and equipment used can be purchased from the market or are commonly used in the art. The methods in the embodiments are conventional methods in the art unless otherwise specified. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] Embodiment 1

[0031] A series double three-way joint, comprising a left three-way joint 1, a right three-way joint 5 and a connecting pipe 9; the left three-way joint 1 has an interface 1 3 on the left side, an interface 2 2 on the front side, and a series head 12 on the right side; the right three-way joint 5 has a series head 2 13 on the left side, an interface 3 6 on the front side, and an interface 4 7 on the right side; the connecting pipe 9 fixedly connects the series head 12 and the series head 2 13, the left three-way joint 1 has a valve core 1 4, the right three-way joint 5 has a valve core 2 8, and the valve core 1 4 and the valve core 2 8 are both T-type valve cores.

[0032] For the convenience of connection, the left end of interface 1 3 is provided with an external thread, and the right end of interface 4 7 is provided with an internal thread.

[0033] How to use the series double tee connector:

[0034] S1. Connection and installation

[0035] Connect the interface 4 7 to the puncture needle, the interface 3 6 to the waste liquid bag, the interface 2 2 to the saline bag, and the interface 1 3 to the syringe;

[0036] S2. Tissue fluid extraction

[0037] The regulating valve core 2 8 is connected to the interface 4 7 and the interface 3 6 to guide the tissue fluid to the waste liquid bag;

[0038] S3. Injection of saline

[0039] The regulating valve core 2 8 connects the interface 4 7 and the connecting pipe 9, closes the interface 3 6, the regulating valve core 1 4 connects the interface 1 3 and the interface 2 2, closes the series head 1 12, and draws out the syringe to suck the saline in the saline bag;

[0040] The regulating valve core 1 4 is connected to the interface 1 3 and the connecting tube 9, the interface 2 2 is closed, and the syringe is pushed to inject physiological saline into the puncture site;

[0041] S4. The regulating valve core 2 8 is connected to the interface 4 7 and the interface 3 6, and the series head 2 13 is closed to guide the waste liquid to the waste liquid bag to complete a flushing.

[0042] Embodiment 2

[0043] The difference between this embodiment and the first embodiment is that the interface 2 has a built-in one-way valve 10 opened inward, and the connecting tube 9 has a built-in one-way valve 11 opened rightward. When using a syringe to draw out and inject physiological saline, it is sufficient to maintain the three-way connection of the regulating valve core 1 4, and there is no need to adjust the valve core 1 4, which is more convenient to operate.

[0044] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the above embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A series double tee joint, characterized in that: include: A left three-way connector, wherein the left three-way connector has an interface 1 on the left side, an interface 2 on the front side, and a series connection head 1 on the right side; A right tee, wherein the left side of the right tee has a second serial connector, the front side has a third connector, and the right side has a fourth connector; A connecting pipe is used to connect the first tandem head and the second tandem head in a fixed manner.

2. A series double tee joint according to claim 1, characterized in that: The left three-way valve has a valve core 1, and the right three-way valve has a valve core 2. Both the valve core 1 and the valve core 2 are T-shaped valve cores.

3. A series double tee joint according to claim 2, characterized in that: The left end of the interface one is provided with an external thread, and the right end of the interface four is provided with an internal thread.

4. A series double tee joint according to claim 1, characterized in that: The interface 2 has a built-in one-way valve 1 which is opened inwards, and the connecting pipe has a built-in one-way valve 2 which is opened rightwards.

5. A method for using a series double tee joint, characterized in that: The tandem double tee connector according to claim 3 further comprises the following: S1. Connection and installation Connect interface 4 to the puncture needle, interface 3 to the waste liquid bag, interface 2 to the saline bag, and interface 1 to the syringe; S2. Tissue fluid extraction The regulating valve core 2 is connected to the interface 4 and the interface 3 to guide the tissue fluid to the waste liquid bag; S3. Injection of saline The regulating valve core 2 is connected to the interface 4 and the connecting pipe, the regulating valve core 1 is connected to the interface 1 and the interface 2, and the syringe is pulled out to suck the normal saline in the normal saline bag; Adjust the valve core 1 to connect the interface 1 and the connecting tube, and push the syringe to inject normal saline into the puncture site; S4. Regulate valve core 2 to connect interface 4 and interface 3, and guide waste liquid to the waste liquid bag to complete a flushing.

Images