Balloon catheter device

Abstract

The utility model discloses a balloon catheter device which comprises a protection device, the protection device is divided into a guide tube (1) and a balloon (2) arranged on the guide tube (1), a connecting tube (4) located in the guide tube (1) is arranged on the balloon (2), the balloon (2) is in a disc shape, a guide wire (3) is arranged in the guide tube (1) and located in the body of a patient, and the balloon catheter device further comprises a puncture needle (7). The guide wire (3) is inserted into the puncture needle (7), the end part of the guide wire (3) is hook-shaped, and the puncture needle (7) is connected with the injector (10) and then punctures into the abdominal cavity under the guidance of B ultrasound or CT (Computed Tomography), so that the guide wire (3) is caused to be close to a focus; the guide wire (3) is retained and withdrawn from the puncture needle (7); then the balloon (2) and the guide tube (1) are followed to a required part; and after liquid is injected through the connecting pipe (4), the balloon (2) is opened to isolate a focus from important visceral organs so as to play a protection role.

Description

Technical Field

[0001] The utility model belongs to the field of medical technology. Specifically, the utility model relates to a balloon catheter device. Background Art

[0002] Clinically, for patients with liver malignancies who cannot tolerate surgery, thermal ablation (radiofrequency, microwave, laser) is required; for ablation of lesions in special locations, the complications increase significantly (for example, near the diaphragmatic dome, under the liver capsule, or adjacent to the intestine, etc.), and it is easy to damage the diaphragm, intestine, and chest wall; there is a clinical need for a device for isolation and protection.

[0003] In a patent specification with a patent number of 202022901692.0 and a publication date of September 2, 2022, a balloon catheter assembly is disclosed, which includes a balloon catheter and a sleeve. The balloon catheter includes a balloon, the sleeve is sleeved on at least a part of the outer surface of the balloon catheter, the proximal end of the sleeve is located at or near the proximal end of the balloon catheter assembly, and the sleeve can move relative to the balloon catheter along the axial direction of the balloon catheter. According to the balloon catheter assembly of the present application, the length of the balloon in the inflated state can be adjusted in real time according to the length required for dilation at the location of the vascular lesion, so that the length of the balloon in the inflated state is adapted to the length required for dilation at the location of the vascular lesion, and the lumen of the vascular stenosis segment can be effectively dilated, thereby restoring good blood circulation function.

[0004] In the prior art, during surgery, for ablation of lesions in special locations, the complications increase significantly, and it is easy to damage the diaphragm, intestine, and chest wall. Content of the Utility Model

[0005] The utility model aims at a balloon catheter device for protecting organs.

[0006] To achieve the above object, the technical solution adopted by the utility model is: a balloon catheter device, including a protection device, the protection device is divided into a guiding tube, a support member provided on the guiding tube, and a puncture needle. A guide wire is provided in the guiding tube, the guide wire is located inside the patient's body, an interface tube is provided at the end of the puncture needle, an insertion tube is provided on the interface tube, and the guide wire passes through the insertion tube and the puncture needle.

[0007] The support member is a balloon provided on the guiding tube, and a connecting tube located inside the guiding tube is provided on the balloon.

[0008] A branch end head is provided on the guiding tube, and the connecting tube is located inside the branch end head.

[0009] A tapered tube head is provided at the end of the guiding tube.

[0010] A syringe is provided at the end of the interface tube.

[0011] The end of the guide wire is hook-shaped.

[0012] The end of the puncture needle is provided with a conical plug.

[0013] The end of the guide wire is provided with a protective sleeve.

[0014] The technical effect of the present utility model is as follows: After the puncture needle is connected to the syringe, it is punctured into the abdominal cavity under the guidance of B-ultrasound or CT, and then the guide wire is led to the vicinity of the lesion; the guide wire is retained and the puncture needle is withdrawn; subsequently, the balloon and the guiding catheter are inserted into the required position; after injecting liquid through the side port, the balloon is opened to isolate the lesion from the vital organs to play a protective role. Description of the Drawings

[0015] This specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is a schematic structural diagram of a balloon catheter device of the present utility model;

[0017] Figure 2 It is Figure 1 A schematic diagram of the puncture needle of a balloon catheter device in

[0018] In the figure, the marks are: 1, guiding catheter; 2, balloon; 3, guide wire; 4, connecting pipe; 5, branch end; 6, pipe head; 7, puncture needle; 8, interface pipe; 9, insertion pipe; 10, syringe; 11, plug; 12, protective sleeve. Detailed Embodiments

[0019] The following is a further detailed description of the specific embodiments of the present utility model by referring to the drawings through the description of the embodiments, aiming to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present utility model and contribute to its implementation.

[0020] Please refer to Figure 1-2 , a balloon catheter device, including a protection device, the protection device is divided into a guiding catheter 1, a support member provided on the guiding catheter 1 and a puncture needle 7. A guide wire 3 is arranged in the guiding catheter 1, the guide wire 3 is located in the patient's body, the end of the puncture needle 7 is provided with an interface pipe 8, an insertion pipe 9 is arranged on the interface pipe 8, and the guide wire 3 is inserted through the insertion pipe 9 and the puncture needle 7; after inserting the guiding catheter 1 into the body along the guide wire 3, the patient's internal organs are propped up by the support member to avoid contact between the internal organs and the lesion, which can effectively play a role in protecting the vital organs, and an opening is made on the patient through the puncture needle 7, and the puncture needle 7 is sent into the patient's body.

[0021] The support member is a balloon 2 provided on the guiding catheter 1. A connecting pipe 4 located in the guiding catheter 1 is arranged on the balloon 2, and the balloon 2 is in a disc shape; by injecting water into the balloon 2 through the connecting pipe 4, the balloon 2 can be expanded to play a role in supporting the internal organs.

[0022] The guide tube 1 is provided with a branch end 5, and the connecting tube 4 is located inside the branch end 5; the guide wire 3 and the connecting tube 4 are separated to avoid cross-influence.

[0023] The end of the guide tube 1 is provided with a tapered tube head 6, which is convenient for extending into the patient's body along the opening.

[0024] A syringe 10 is provided at the end of the interface tube 8; the syringe 10 can ensure the air pressure change in the patient's body.

[0025] The end of the guide wire 3 is hook-shaped; the hook-shaped end facilitates the guide wire 3 to remain in the patient's body, avoiding the situation where the guide wire 3 is pulled out together with the puncture needle 7.

[0026] The end of the puncture needle 7 is provided with a conical plug 11, which facilitates puncture into the patient's body.

[0027] A protective sheath 12 is provided at the end of the guide wire 3 ; the protective sheath 12 is used to protect the unused portion of the guide wire 3 .

[0028] The guide tube 1 is made of polyurethane and sterilized with ethylene oxide. It is for one-time use and is strictly prohibited from repeated use. When removing the tube, the liquid in the balloon 2 must be extracted first, and the tube can be removed after the balloon 2 is completely retracted.

[0029] The technical effect of the utility model is as follows: after the puncture needle 7 is connected to the syringe 10, it punctures into the abdominal cavity under the guidance of B-ultrasound or CT, and then the guide wire 3 is led to the vicinity of the lesion; the guide wire 3 is retained and withdrawn from the puncture needle 7; then the balloon 2 and the guide tube 1 are followed to the required position; after the liquid is injected through the connecting tube 4, the balloon 2 is opened to isolate the lesion from the important organs and play a protective role.

[0030] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A balloon catheter device, characterized in that: It includes a protection device, and the protection device is divided into a guide tube (1), a support member provided on the guide tube (1), and a puncture needle (7). A guide wire (3) is provided in the guide tube (1), and the guide wire (3) is located inside the patient's body. An interface tube (8) is provided at the end of the puncture needle (7), and an insertion tube (9) is provided on the interface tube (8). The guide wire (3) is inserted through the insertion tube (9) and the puncture needle (7).

2. The balloon catheter device according to claim 1, wherein: The support member is a balloon (2) provided on the guide tube (1), and a connecting tube (4) located inside the guide tube (1) is provided on the balloon (2).

3. The balloon catheter device according to claim 2, characterized in that; A branch end (5) is provided on the guide tube (1), and the connecting tube (4) is located inside the branch end (5).

4. A balloon catheter device according to claim 1 or 2, characterized in that: A conical tube head (6) is provided at the end of the guide tube (1).

5. A balloon catheter device according to claim 1, wherein: A syringe (10) is provided at the end of the interface tube (8).

6. The balloon catheter device according to claim 1, wherein: The end of the guide wire (3) is hook-shaped.

7. A balloon catheter device according to claim 1, characterized in that: A conical plug (11) is provided at the end of the puncture needle (7).

8. The balloon catheter device according to claim 5, wherein: A protective sleeve (12) is provided at the end of the guide wire (3).

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