Puncture device for renal cyst and hepatic cyst

Abstract

The puncture device for the renal cyst and the hepatic cyst comprises a needle core and a sleeve arranged outside the needle core in a sleeving mode, the sleeve is communicated with a three-way pipe, and one end of the three-way pipe is fixedly connected with the sleeve to form an integrated structure; the invention is an integrated matching structure of the needle core, the sleeve and the three-way pipe, and also has a convenient operation function.

Description

Technical Field

[0001] The invention relates to the technical field of puncture needles, and in particular to a puncture device for kidney cysts and liver cysts. Background Art

[0002] There are many problems with the puncture needles currently used in the puncture and sclerotherapy of renal cysts and liver cysts. The traditional puncture needle syringe has insufficient negative pressure. When it comes to extracting cystic fluid from renal cysts and liver cysts, it is often difficult to extract fluid due to insufficient negative pressure. Especially for cysts with larger volumes or more viscous cystic fluid, the extraction process is time-consuming and laborious, which seriously affects the efficiency of treatment. At the same time, the needle core structure of the existing puncture needle lacks an effective protection mechanism for the cyst wall during the puncture into the cyst, which can easily cause damage to the cyst wall, leading to a series of complications such as bleeding, cystic fluid leakage, and infection, increasing the patient's pain and treatment risks. In addition, during the conversion process between extracting fluid and injecting sclerotherapy drugs, traditional puncture needles need to frequently replace the connecting device or adjust the complex combination of components, which is cumbersome and inconvenient to operate, and is not conducive to the accurate and rapid completion of the treatment process. It requires high operating skills of medical staff and is prone to operating errors. Summary of the invention

[0003] In order to solve the existing problems, the present invention provides a puncture device for renal cysts and liver cysts, which is characterized by comprising a needle core and a sleeve sleeved on the outside of the needle core, the sleeve being connected to a three-way pipe, one end of the three-way pipe being fixedly connected to the sleeve to form an integrated structure, the three-way pipe being provided with a first port, a second port and a third port, the first port being connected between the second port and the third port, the second port and the third port being respectively connected to a liquid extraction device and an injection device for injecting a sclerosing drug, and the second port and the third port being respectively installed with manual valves.

[0004] Preferably, the sleeve is made of soft medical material, and the soft medical material is soft plastic, or medical rubber or medical silicone, preferably medical silicone.

[0005] Preferably, the sleeve is connected to a pipe head, and a channel is opened inside the sleeve to ensure smooth liquid transmission.

[0006] Preferably, the needle core has good rigidity and sharpness, and can be removed after puncturing, the connection structure between the sleeve and the three-way tube remains unchanged, and a channel communicating with the three-way tube is formed inside the sleeve.

[0007] Preferably, the second port and the third port are symmetrically connected.

[0008] Preferably, the liquid extraction device is a syringe or a negative pressure suction device.

[0009] Technical effects of the present invention: 1. The present application is an integrated matching structure of the needle core, cannula and three-way tube: the needle core is covered with a cannula, and the cannula is made of relatively soft medical material. Its softness can play a buffering role during the puncture process and reduce damage to surrounding tissues. The cannula and the three-way tube are directly fixedly connected to form an integral structure, and a channel and a connecting device are provided inside the structure to ensure smooth liquid transmission between the components. The needle core is of elite design, with good rigidity and sharpness, which is convenient for precise puncture into the cyst. After the puncture is in place, the needle core is removed. At this time, the connection structure between the cannula and the three-way tube remains unchanged, and a channel connected to the three-way tube is formed inside the cannula, which is convenient for subsequent operations; 2. Convenient operation function realization: The other two ports of the three-way tube are connected to the extraction device and the injection device respectively. During the extraction stage, the cannula is connected to the extraction device by controlling the manual valve of the three-way tube, and the cystic fluid is extracted through the cannula by using the strong negative pressure generated by the syringe. When the extraction is completed, the cannula can be connected to the injection device by simply switching the manual valve of the three-way tube, so that the sclerosing drug can be accurately injected into the cyst. The entire extraction and injection process does not require any disassembly or reassembly of the connection between the cannula and the three-way tube, which greatly simplifies the operation process, improves the convenience and accuracy of the operation, and reduces the risk of errors caused by complex operations by medical staff, providing a more efficient and safe medical device solution for the puncture and sclerotherapy of renal cysts and liver cysts. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the present invention; In the figure: a needle core 1 , a sleeve 2 , a tube head 21 , a three-way tube 3 , a first port 31 , a second port 32 , a third port 33 , and a manual valve 4 . DETAILED DESCRIPTION

[0011] Embodiment 1 like Figure 1 As shown, this embodiment provides a puncture device for renal cysts and liver cysts, including a needle core 1 and a sleeve 2 sleeved on the outside of the needle core 1, wherein the needle core 1 has good rigidity and sharpness, and the needle core 1 can be removed after puncturing, while the connection structure between the sleeve 2 and the three-way tube 3 remains unchanged and a channel communicating with the three-way tube 3 is formed inside the sleeve 2.

[0012] The sleeve is made of soft medical material, and the soft medical material is soft plastic, or medical rubber, or medical silicone, preferably medical silicone. The sleeve 2 is connected to a pipe head 21, and the sleeve 2 has a channel inside to ensure smooth liquid transmission. The sleeve 2 is connected to a three-way pipe 3, one end of the three-way pipe 3 is fixedly connected to the sleeve 2 to form an integrated structure, and the three-way pipe 3 is provided with a first port 31, a second port 32 and a third port 33. The first port 31 is connected between the second port 32 and the third port 33, and the second port 32 and the third port 33 are respectively connected to a pumping device and an injection device for injecting a hardening drug, and the second port 32 and the third port 33 are respectively installed with a manual valve 4. It is convenient to manually control the opening and closing respectively. The second port 32 and the third port 33 are symmetrically connected. The pumping device is a syringe or a negative pressure suction device. The entire process of pumping and injecting does not require any disassembly or reassembly of the connection between the sleeve and the three-way pipe.

[0013] The working principle of the above structure is that when using a puncture needle for puncture and sclerotherapy of renal cysts or liver cysts, the puncture needle with a sleeve connected to the three-way pipe is first installed on the syringe as a whole to ensure that all parts are tightly connected and leak-free. Then, with the assistance of ultrasound or other image-guided technology, the medical staff holds the puncture needle and accurately punctures the puncture needle into the target cyst position with the help of the elite characteristics of the needle core. After the puncture is successful, the needle core is carefully removed, and the sleeve is left in place and connected to the external device through the three-way pipe.

[0014] Then adjust the manual valve on the three-way pipe to connect the cannula with the extraction device, use the strong negative pressure of the syringe to start extracting the fluid in the cyst, closely observe the extraction process and control the extraction volume according to the actual situation. When the cyst fluid is extracted, adjust the three-way pipe valve again, connect the cannula with the injection device, and slowly inject the pre-prepared amount of sclerosing medicine into the cyst to complete the sclerosing treatment operation. During the entire treatment process, medical staff can easily and quickly switch between extraction and injection by adjusting the manual valve on the three-way pipe. The operation is simple and efficient. Due to the special structural design of the puncture needle, it effectively reduces damage to the cyst wall and surrounding tissues, improving the safety and effectiveness of the treatment.

[0015] It should be pointed out that the above preferred embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A puncture device for renal cysts and liver cysts, characterized in that: It includes a needle core and a sleeve sleeved on the outside of the needle core, the sleeve is connected to a three-way pipe, one end of the three-way pipe is fixedly connected to the sleeve to form an integrated structure, the three-way pipe has a first port, a second port and a third port, the first port is connected between the second port and the third port, the second port and the third port are respectively connected to a pumping device and an injection device for injecting a sclerosing drug, and the second port and the third port are respectively installed with manual valves.

2. The puncture device for kidney cyst and liver cyst according to claim 1, characterized in that: The sleeve is made of soft medical material, and the soft medical material is soft plastic, or medical rubber, or medical silicone, preferably medical silicone.

3. The puncture device for kidney cyst and liver cyst according to claim 1, characterized in that: The sleeve is connected with a pipe head, and a channel is opened inside the sleeve to ensure smooth liquid transmission.

4. The puncture device for kidney cyst and liver cyst according to claim 1, characterized in that: The needle core has good rigidity and sharpness, and can be removed after puncturing into place, the connection structure between the sleeve and the three-way pipe remains unchanged, and a channel communicating with the three-way pipe is formed inside the sleeve.

5. The puncture device for kidney cyst and liver cyst according to claim 1, characterized in that: The second port and the third port are symmetrically connected.

6. The puncture device for kidney cyst and liver cyst according to claim 1, characterized in that: The liquid extraction device is a syringe or a negative pressure suction device.

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