High-development pulmonary nodule positioning device

Abstract

The utility model relates to a high development pulmonary nodule positioner, including metal alloy wire, push rod and puncture needle, the metal alloy wire is the spring structure formed by the winding of nickel titanium wire, the head end of metal alloy wire is elliptical, the tail end of metal alloy wire is connected with the suture line through the development tube, after metal alloy wire is straightened, the suture line is connected with the puncture needle. The metal alloy wire is close to the head of the puncture needle, and the rear end of the push rod is inserted into the puncture needle. According to the high-development pulmonary nodule positioning device, the metal wires are made of nickel-titanium alloy materials, the metal wires made of the nickel-titanium alloy materials are closely wound so that the metal wires can be more flexible, human tissue can be effectively protected, the tail connecting suture line and the connecting pipe are made of platinum-iridium materials, the development effect is achieved, the focus position can be positioned more easily, deviation is not prone to occurring, and the positioning effect is good. Damage to the human body is small, and convenience is brought to thoracoscope pulmonary nodule resection.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of minimally invasive surgical medical instruments, specifically, a kind of high development lung nodule positioning appliance. BACKGROUND

[0002] Now clinical need to resect lung nodule, must be under the perspective of CT, using positioning needle to accurately position lung nodule, to increase the accuracy of lung nodule resection surgery, to minimize the trauma caused by resection surgery. In the positioning process, using syringe to extract medical glue in advance, intermittent needle insertion and repeated local CT scanning until the needle tip position reaches the tumor above or tumor beside internal visceral layer pleura, slowly inject medical glue. When the tumor position is deep, it needs to be injected while pushing the needle to the outside of the lung. When operating, not only the speed of pushing the needle needs to be paid attention to, but also the injection speed needs to be paid attention to, and the operation is inconvenient.

[0003] Full thoracoscope surgery is the main means of lung nodule diagnosis and treatment, but the position of lung nodule lesion is easy to deviate during operation, and accurate positioning is difficult, which increases the difficulty of operation, and the material of positioning mechanism is hard, which can easily cause damage to human tissues. Therefore, the utility model puts forward a kind of high development lung nodule positioning ring. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above-mentioned shortcomings, providing a kind of high development lung nodule positioning appliance with development effect, which makes the lesion position easier to position.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of high development lung nodule positioning appliance, including metal alloy wire, push rod and puncture needle, the metal alloy wire is the spring structure formed by winding nickel titanium wire, the head end of metal alloy wire is oval, the end of metal alloy wire is connected with suture through development tube, metal alloy wire is straightened, together with development tube and suture is inserted into puncture needle inside, metal alloy wire is close to the head of puncture needle, the rear end of push rod is inserted into puncture needle.

[0007] The head of the push rod is designed as a round head, and the diameter of the round head is greater than the diameter of the puncture needle.

[0008] The diameter of the suture is 0.2mm.

[0009] The development tube is a platinum-iridium tube.

[0010] The end of the push rod is connected with a push handle.

[0011] The push rod is made of nickel titanium material.

[0012] Compared with the prior art, the high development lung nodule positioning appliance has the advantages that

[0013] In the high development lung nodule positioning appliance, the metal wire is made of nickel-titanium alloy material, the metal wire made of nickel-titanium alloy material is tightly wound to make the metal wire more flexible, human tissues can be effectively protected, the tail part is connected with a suture line, the connecting pipe is made of platinum-iridium material, has a development effect, and the lesion position is more easily positioned and not easily deviated, the damage to the human body is smaller, and convenience is brought for thoracoscope lung nodule resection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is an assembly structure schematic view of the utility model.

[0015] Figure 2 is a connection structure schematic view of the suture line, the development pipe, the metal alloy wire and the puncture needle.

[0016] Figure 3 is Figure 2 is a structure schematic view of the suture line, the development pipe and the metal alloy wire in the connection structure.

[0017] Figure 4 is Figure 1 is a structure schematic view of the push rod.

[0018] Among them: suture line 1, development pipe 2, metal alloy wire 3, push rod 4, puncture needle 5. DETAILED DESCRIPTION

[0019] Referring to Figures 1 to 4 , the utility model relates to a kind of high development lung nodule positioning appliance, including metal alloy wire 3, push rod 4 and puncture needle 5.

[0020] The metal alloy wire 3 is the spring structure formed by nickel-titanium wire winding, and the head end of the metal alloy wire 3 is oval, with greater anchoring force in the lung nodule. The metal alloy wire 3 is made of nickel-titanium alloy, which has unique shape memory function, wear resistance, corrosion resistance, biocompatibility and super-elasticity, etc.

[0021] The end of the metal alloy wire 3 is connected with a suture line 1 through a development pipe 2, the development pipe 2 is a platinum-iridium tube with development function, and the diameter of the suture line 1 is 0.2mm, which is more flexible and reduces the pain of patients during surgery.

[0022] After the metal alloy wire 3 is straightened, it is inserted into the inside of the puncture needle 5 together with the development pipe 2 and the suture line 1, the metal alloy wire 3 is close to the head of the puncture needle 5, the end of the puncture needle 5 is made of stainless steel material, the head is specially treated to reduce the puncture force, and the cutting edge is sharp.

[0023] The rear end of the push rod 4 is inserted into the puncture needle 5, the push rod 4 is made of nickel-titanium material, the material has good toughness and rigidity, and can well meet the push performance. The head of the push rod 4 is designed as a round head, which can avoid scratching and damaging the metal alloy wire 3. The diameter of the round head is larger than the diameter of the puncture needle 5, so the round head cannot be inserted into the puncture needle 5, thereby playing a limiting role. The end of the push rod 4 is connected with a push handle, and the push rod 4 can be placed into the tube of the puncture needle 5.

[0024] Before the operation, the metal alloy wire 3, the developing tube 2 and the suture 1 are loaded into the puncture needle 5, and the metal alloy wire 3 is in a straightened state in the puncture needle 5. During the operation, the push rod 4 is inserted into the puncture needle 5, and the metal alloy wire 3 is pushed out of the puncture needle 5, and the shape is restored to an oval shape, thereby being anchored in the lung nodule tissue.

Claims

1. A high-contrast lung nodule locating device, characterized by: It includes a metal alloy wire, a push rod and a puncture needle. The metal alloy wire is a spring structure formed by winding nickel-titanium wire. The head end of the metal alloy wire is oval, and the end of the metal alloy wire is connected to a suture thread through a developing tube. After the metal alloy wire is straightened, it is inserted into the puncture needle together with the developing tube and the suture thread. The metal alloy wire is close to the head of the puncture needle, and the rear end of the push rod is inserted into the puncture needle.

2. The high-visibility pulmonary nodule locating device according to claim 1, characterized in that: The head of the pushing rod is designed as a round head, and the diameter of the round head is larger than the diameter of the puncture needle.

3. The high-visibility pulmonary nodule locating device according to claim 1, characterized in that: The diameter of the suture is 0.2 mm.

4. The high-visibility pulmonary nodule locating device according to claim 1, characterized in that: The developing tube is a platinum-iridium tube.

5. The high-visibility pulmonary nodule locating device according to claim 1, characterized in that: The end of the pushing rod is connected with a pushing handle.

6. The high-visibility pulmonary nodule locating device according to claim 1, characterized in that: The push rod is made of nickel titanium.

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