CN214414907U - Puncture needle for ablation gasification negative pressure suction - Google Patents
Puncture needle for ablation gasification negative pressure suction Download PDFInfo
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- CN214414907U CN214414907U CN202023023804.3U CN202023023804U CN214414907U CN 214414907 U CN214414907 U CN 214414907U CN 202023023804 U CN202023023804 U CN 202023023804U CN 214414907 U CN214414907 U CN 214414907U
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- puncture needle
- negative pressure
- needle body
- ablation
- gasification
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Abstract
The utility model discloses a puncture needle for ablation gasification negative pressure suction, which comprises a puncture needle body for laser gasification ablation, wherein the puncture needle body is a cylinder and is hollow inside; the bottom end of the puncture needle body is provided with a needle head which is a water drop-shaped inclined plane; the method is characterized in that: a cylindrical sealing plug for sealing is arranged at the top end of the puncture needle body, and a cross-shaped optical fiber inlet which is communicated up and down is formed in the axis of the sealing plug; and a negative pressure interface is arranged on the side wall of the puncture needle body below the sealing plug and communicated with the inner cavity of the puncture needle body. The utility model can ensure the sealing function when introducing the optical fiber by arranging the cross optical fiber inlet sealing plug at the top end of the puncture needle body; the negative pressure interface is arranged on the puncture needle body and can be connected with the negative pressure suction device, and redundant tissue gas and liquid generated in the treatment process are discharged out of the body by the negative pressure suction device, so that escape and transfer of cancer cells or canceration genes are avoided.
Description
Technical Field
The utility model relates to the technical field of medical machinery, concretely relates to puncture needle that joinable negative pressure suction device carries out laser ablation gasification usefulness.
Background
Ablation is a common treatment means in medical field, and is widely applied to clinical departments such as dermatology, cardiovascular medicine, digestive system department and the like. Radio frequency or microwave can pass through human tissues and focus on the characteristic of a specific target area, energy is gathered to sufficient intensity, the focal area reaches high temperature, the tissues of the target area are damaged, and coagulation necrosis is shown on histopathology, so that the purpose of damaging a lesion area is achieved, and the tissues outside the lesion area are not damaged.
Laser gasification ablation is a novel medical treatment means, combines the advantages of ablation ultra-minimally invasive and endoscopic tissue ablation, and can be applied to the treatment of canceration of various organ tissues. Laser vaporization ablation uses the physical property that laser can instantaneously generate ultra-high temperature, so that cancer cell tissues in contact with the top end of the optical fiber are instantaneously vaporized to form a cavity and a surrounding carbonized region.
During the treatment, excessive tissue gas and liquid with cancer genes are generated in the patient body due to high-temperature gasification, and if the tissue gas and the liquid are not timely discharged out of the body, the cancer metastasis can be caused. Therefore, how to timely discharge the excessive tissue gas and liquid generated in the laser vaporization treatment process out of the body is a problem that needs to be solved by the technical staff at the present stage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a puncture needle for ablation gasification negative pressure suction, which can timely ablate the excessive tissue gas and liquid generated in the process of excision therapy with laser gasification.
In order to solve the technical problem, the utility model adopts the following technical proposal.
A puncture needle for ablation gasification negative pressure suction comprises a puncture needle body for laser gasification ablation and resection, wherein the puncture needle body is cylindrical and hollow; the bottom end of the puncture needle body is provided with a needle head which is a water drop-shaped inclined plane; the method is characterized in that: a cylindrical sealing plug for sealing is arranged at the top end of the puncture needle body, and a cross-shaped optical fiber inlet which is communicated up and down is formed in the axis of the sealing plug; the side wall of the puncture needle body below the sealing plug is provided with a negative pressure interface used for connecting a negative pressure suction device, and the negative pressure interface is communicated with the inner cavity of the puncture needle body.
Preferably, the negative pressure port is T-shaped.
Preferably, the outer wall of the negative pressure interface is of an inverted cone shape, the inner cavity is of a cylindrical structure, and the tail end of the outer wall of the negative pressure interface is provided with an anti-skidding barb.
Preferably, the negative pressure interface and the puncture needle body are of an integrally formed structure.
Preferably, a supporting plate for fixing the sealing plug is arranged inside the upper portion of the puncture needle body, and an exposed optical fiber inlet is formed in the middle of the supporting plate so that optical fibers can conveniently pass through an opening in the inner cavity of the puncture needle body.
Preferably, the top end of the puncture needle body is provided with a gland for preventing the sealing plug from being separated, and the middle part of the gland is provided with an exposed optical fiber inlet so that optical fibers can conveniently pass through an opening entering the inner cavity of the puncture needle body.
Due to the adoption of the technical scheme, the utility model has the following technical progress.
The utility model can ensure the sealing function when introducing the optical fiber by arranging the cross optical fiber inlet sealing plug at the top end of the puncture needle body, and can carry out laser gasification ablation and excision to the patient; the negative pressure interface is arranged on the puncture needle body and can be connected with the negative pressure suction device, and redundant tissue gas and liquid generated in the laser gasification ablation treatment process are discharged out of the body by the negative pressure suction device, so that escape and transfer of cancer cells or canceration genes are avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the sealing plug of the present invention;
fig. 3 is the structure diagram of the inverted cone negative pressure interface of the present invention.
Wherein: 1. the puncture needle comprises a puncture needle body, a needle head 2, a sealing plug 3, a negative pressure interface 4, a support plate 5 and a gland 6.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A puncture needle for ablation gasification negative pressure suction is shown in a combined figure 1 and comprises a puncture needle body 1, wherein the puncture needle body 1 is cylindrical, the interior of the puncture needle body is hollow, a needle head 2 is arranged at the bottom end of the puncture needle body, a sealing plug 3 is arranged at the top end of the puncture needle body, and a negative pressure connector 4 is arranged on the side wall below the sealing plug 3.
The needle head 2 is a water drop-shaped inclined plane, so that the puncture needle body 1 can cut the skin more easily and enter the disease part.
The sealing plug 3 is used for sealing the puncture needle body 1, is cylindrical as a whole, and is provided with a cross-shaped optical fiber inlet 31 which is communicated up and down on the axial line in the sealing plug 3 as shown in fig. 2, and the optical fiber inlet 31 is used for penetrating optical fibers used in laser gasification ablation surgery into the puncture needle body 1, so that laser gasification ablation is carried out on diseased parts; the sealing plug 3 is made of rubber and has good elasticity, and the optical fiber inlet 31 is in a cross shape, so that after the optical fiber is inserted into the sealing plug 3, the puncture needle body 1 can be well sealed, and meanwhile, the optical fiber can be well fixed.
A supporting plate 5 is arranged inside the upper part of the puncture needle body 1, and the supporting plate 5 is used for fixing the sealing plug 3 and preventing the sealing plug 3 from moving downwards; the middle part of the supporting plate 5 is provided with a bare optical fiber inlet 31 so that an optical fiber can conveniently enter the opening of the inner cavity of the puncture needle body 1; the top end of the puncture needle body 1 is provided with a gland 6 for preventing the sealing plug 3 from being separated from the puncture needle body 1, and the middle part of the gland 6 is provided with an exposed optical fiber inlet so that optical fibers can conveniently pass through an opening entering the inner cavity of the puncture needle body 1.
The negative pressure interface 4 is used for connecting a negative pressure suction device, can be in a T shape, and is beneficial to fixing the negative pressure suction device and the puncture needle body 1 and sealing the interface; another structure for achieving this object is also possible: the outer wall is the back taper, the inner chamber is cylindrical structure, and the end of negative pressure interface outer wall is provided with anti-skidding barb, as shown in figure 3. In the utility model, the negative pressure interface 4 and the puncture needle body 1 are of an integrated structure, so that the puncture needle body 1 is integrally firm. In the process of laser gasification ablation therapy, redundant tissue gas and liquid can be generated in a patient body and can be discharged out of the body in real time through the negative pressure suction device connected with the negative pressure interface 4, so that escape and transfer of cancer cells or canceration genes are effectively avoided.
The utility model discloses when using, according to laser gasification ablation excision operation's demand with pjncture needle body 1 through syringe needle 2 insert human disease position, after the suitable interpolation is gone into, optical fiber through the optic fibre entry 31 of the cross flower shape on the sealing plug 3 entering pjncture needle body 1, carry out laser gasification ablation excision to human disease position, laser gasification ablation in-process can produce unnecessary tissue gas and liquid, through opening the negative pressure suction device of connection in negative pressure interface 4 department, gaseous and the liquid of unnecessary tissue that will produce is in time with the mode of attraction in vitro, the escape of having avoided cancer cell or canceration gene shifts.
Claims (6)
1. A puncture needle for ablation gasification negative pressure suction comprises a puncture needle body (1) for laser gasification ablation and resection, wherein the puncture needle body (1) is cylindrical and hollow; the bottom end of the puncture needle body (1) is provided with a needle head (2), and the needle head (2) is a water drop-shaped inclined plane; the method is characterized in that: a cylindrical sealing plug (3) for sealing is arranged at the top end of the puncture needle body (1), and a cross-shaped optical fiber inlet (31) which is communicated up and down is formed in the axis of the sealing plug (3); the side wall of the puncture needle body (1) below the sealing plug (3) is provided with a negative pressure interface (4) used for connecting a negative pressure suction device, and the negative pressure interface (4) is communicated with the inner cavity of the puncture needle body (1).
2. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the negative pressure interface (4) is T-shaped.
3. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the outer wall of the negative pressure interface is in an inverted cone shape, the inner cavity of the negative pressure interface is in a cylindrical structure, and the tail end of the outer wall of the negative pressure interface is provided with an anti-skidding barb.
4. The puncture needle for ablation and gasification negative pressure aspiration according to claim 2 or 3, characterized in that: the negative pressure interface (4) and the puncture needle body (1) are of an integrally formed structure.
5. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the puncture needle is characterized in that a supporting plate (5) used for fixing the sealing plug (3) is arranged inside the upper portion of the puncture needle body (1), and a bare optical fiber inlet (31) is formed in the middle of the supporting plate (5) so that optical fibers can conveniently pass through an opening in the inner cavity of the puncture needle body (1).
6. The puncture needle for ablation and gasification negative pressure aspiration as set forth in claim 1, wherein: the puncture needle is characterized in that a gland (6) used for preventing the sealing plug (3) from being separated is arranged at the top end of the puncture needle body (1), and a bare optical fiber inlet (31) is formed in the middle of the gland (6) so that optical fibers can conveniently pass through an opening in the inner cavity of the puncture needle body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023023804.3U CN214414907U (en) | 2020-12-16 | 2020-12-16 | Puncture needle for ablation gasification negative pressure suction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023023804.3U CN214414907U (en) | 2020-12-16 | 2020-12-16 | Puncture needle for ablation gasification negative pressure suction |
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| Publication Number | Publication Date |
|---|---|
| CN214414907U true CN214414907U (en) | 2021-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023023804.3U Active CN214414907U (en) | 2020-12-16 | 2020-12-16 | Puncture needle for ablation gasification negative pressure suction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114209425A (en) * | 2022-01-07 | 2022-03-22 | 武汉大学 | Device and method for treating cancer cells and tumors by laser |
| WO2023078168A1 (en) * | 2021-11-05 | 2023-05-11 | 杭州佳量医疗科技有限公司 | Medical optical fiber guide structure and guide method |
-
2020
- 2020-12-16 CN CN202023023804.3U patent/CN214414907U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023078168A1 (en) * | 2021-11-05 | 2023-05-11 | 杭州佳量医疗科技有限公司 | Medical optical fiber guide structure and guide method |
| CN114209425A (en) * | 2022-01-07 | 2022-03-22 | 武汉大学 | Device and method for treating cancer cells and tumors by laser |
| CN114209425B (en) * | 2022-01-07 | 2023-12-22 | 武汉大学 | Device and method for treating cancer cells and tumors by laser |
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