CN219166613U - Vacuum steam ablation needle - Google Patents
Vacuum steam ablation needle Download PDFInfo
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- CN219166613U CN219166613U CN202223005731.4U CN202223005731U CN219166613U CN 219166613 U CN219166613 U CN 219166613U CN 202223005731 U CN202223005731 U CN 202223005731U CN 219166613 U CN219166613 U CN 219166613U
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Abstract
The utility model belongs to the technical field of medical equipment, and discloses a vacuum steam ablation needle which comprises a puncture needle, a handle and a steam generation mechanism, wherein one end of the puncture needle is fixedly connected with the handle, the other end of the puncture needle is used for puncturing and entering focus tissues of a human body, the steam generation mechanism is arranged in the handle and is fixedly connected with the interior of the handle, one end of the steam generation mechanism is used for inputting steam water, the other end of the steam generation mechanism is communicated with the puncture needle, the puncture needle comprises a steam delivery pipe and a vacuum pipe, the outer wall of the steam delivery pipe is sleeved with the vacuum pipe, the two ends of the vacuum pipe are in sealing connection with the steam delivery pipe, and a vacuum interlayer is formed between the outer wall of the steam delivery pipe and the inner wall of the vacuum pipe. The vacuum tube is arranged outside the puncture needle to isolate the steam temperature and prevent tissue in the needle tract from being scalded, the induction metal core is arranged in the heating coil, and the heat insulation layer is arranged between the spiral tube body of the heating coil and the heating coil, so that high-temperature heat brought by the heating coil and the induction metal core is effectively isolated.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a vacuum steam ablation needle.
Background
Currently, the vapor delivery portion of a vapor ablation pistol is inserted transurethrally into a patient to reach the patient's prostatic urethra, with the vapor delivery needle extending out of the vapor delivery needle under the control of a motor, the vapor delivery needle advancing through the prostatic urethra and into the transition zone of the prostate generally transverse to the vapor delivery system; and delivering steam through a distally facing steam delivery port of the steam delivery needle to direct steam distally from the device into the prostate. Steam is conveyed into a focus part through the needle tube, the temperature of the needle tube can be raised in the conveying process, and the tissue in the needle channel can be scalded due to the excessively high temperature. Meanwhile, hands can be scalded if the temperature of the handle is too high during operation of a doctor.
Disclosure of Invention
The utility model aims to provide a vacuum steam ablation needle so as to solve the technical problems.
In order to achieve the above purpose, the specific technical scheme of the vacuum steam ablation needle is as follows:
the utility model provides a vacuum steam ablation needle, includes pjncture needle, handle and steam generation mechanism, pjncture needle one end and handle fixed connection, the other end is used for the puncture to get into human focus tissue, the inside and the inside fixed connection of handle are located to steam generation mechanism, steam generation mechanism one end input steam water, the other end and pjncture needle intercommunication for the heating steam water and carry the vapor that the heating produced to the pjncture needle, the pjncture needle includes steam delivery pipe and vacuum tube, steam delivery pipe outer wall cover has the vacuum tube, the both ends and the steam delivery pipe sealing connection of vacuum tube form the vacuum intermediate layer between the outer wall of steam delivery pipe and the inner wall of vacuum tube.
Further, the puncture needle comprises a puncture needle head, and the sleeve assembly formed by the steam delivery tube and the vacuum tube is at least partially positioned in the puncture needle head.
Further, the puncture needle head comprises a needle head body and a needle point, wherein the needle point is fixedly connected with the needle head body, and at least one steam outlet hole is formed in the pipe wall of the needle head body.
Further, the steam outlet holes are provided with three rows of four.
Furthermore, the puncture needle head is arranged in a staggered manner with a sleeve assembly formed by the steam delivery pipe and the vacuum pipe.
Further, the steam generating mechanism comprises a heating coil, the heating coil body is a hollow spiral tube, one end of the tube body is an input end and used for inputting steam water, the other end of the tube body is an output end and used for outputting steam water, a heating coil is arranged outside the spiral tube body of the heating coil body, and the heating coil is connected with an external electromagnetic heating plate.
Further, the heating coil is made of stainless steel.
Further, an induction metal core is arranged in the spiral tube body of the heating coil, and the heating coil spirals on the outer surface of the induction metal core.
Further, a heat insulation layer is arranged between the spiral tube body of the heating coil and the heating coil.
Further, heating coil both ends have upper heating apron and lower heating apron, heating coil both ends and upper heating apron and lower heating apron butt, upper heating apron and lower heating apron are used for fixed heating coil, insulating layer, heating coil and induction metal core, upper heating apron and lower heating apron have the lead wire hole, heating coil's input and output follow the lead wire hole and draw forth, steam generation mechanism includes the casing, the casing cover is located whole steam generation mechanism outside, heating coil's input and output follow steam generation mechanism's casing both ends draw forth, steam is with the input from heating coil's input, follow heating coil's output after steam generation mechanism heats vapor.
The vacuum steam ablation needle has the following advantages: the vacuum tube is arranged outside the puncture needle to isolate the steam temperature and prevent tissue in the needle tract from being scalded, the steam generating mechanism is improved, the induction metal core is arranged in the heating coil, the heating efficiency is improved, and the heat insulation layer is arranged between the spiral tube body of the heating coil and the heating coil, so that the high-temperature heat brought by the heating coil and the induction metal core is effectively isolated, and hands are prevented from being scalded in the operation process of doctors.
Drawings
FIG. 1 is a schematic view of a vacuum steam ablation needle of the utility model;
FIG. 2 is a schematic diagram of the frontal structure of the vacuum steam ablation needle of the utility model;
FIG. 3 is a cross-sectional view of a vacuum steam ablation needle of the utility model;
FIG. 4 is a schematic view of the structure of the puncture needle according to the present utility model;
the figure indicates: 1. a puncture needle; 2. a handle; 3. a steam generating mechanism; 4. a heating coil; 5. a heating coil; 6. sensing a metal core; 7. a thermal insulation layer; 31. an upper heating cover plate; 32. a lower heating cover plate; 33. a housing; 34. a lead hole; 11. a steam delivery tube; 12. a vacuum tube; 13. a puncture needle; 131. a needle tip; 132. a needle body; 133. and (5) a steam outlet.
Detailed Description
For a better understanding of the objects, structure and function of the present utility model, a vacuum vapor ablation needle according to the present utility model will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the vacuum steam ablation needle of the utility model comprises a puncture needle 1, a handle 2 and a steam generation mechanism 3, wherein one end of the puncture needle 1 is fixedly connected with the handle 2, and the other end is used for puncturing and entering focus tissues of a human body. The steam generating mechanism 3 is arranged in the handle 2 and fixedly connected with the interior of the handle 2, one end of the steam generating mechanism 3 is used for inputting steam water, and the other end of the steam generating mechanism is communicated with the puncture needle 1 and used for heating the steam water and conveying the steam generated by heating to the puncture needle 1. The steam generating mechanism 3 comprises a heating coil 4, the main body of the heating coil 4 is a hollow spiral pipe, one end of the pipe body is an input end and used for inputting steam water, the other end of the pipe body is an output end and used for outputting steam water, the heating coil 4 is made of stainless steel materials suitable for steam water contact, a heating coil 5 is arranged outside the spiral pipe body of the heating coil 4, and the heating coil 5 is connected with an external electromagnetic heating plate. When the electromagnetic heating plate works, the electromagnetic heating plate is electrified, an alternating magnetic field is generated in the heating coil 5, an eddy current is generated in the heating coil 4 by the alternating magnetic field generated on the heating coil 5, the heating coil 4 is slowly heated, the heating coil 5 is made of stainless steel, the cost is low, the heating rate is very slow, the induction metal core 6 is arranged in the spiral tube body of the heating coil 4, the induction metal core 6 is an iron core, and the heating coil 4 spirals on the outer surface of the induction metal core 6. When the electromagnetic heating plate works, the electromagnetic heating plate is electrified, an alternating magnetic field is generated on the heating coil 5, an eddy current is generated in the heating coil 4 and the induction metal core 6 by the alternating magnetic field generated by the heating coil 5, the heating coil 4 is slowly heated, the induction metal core 6 is an iron core, the electromagnetic heating plate can be instantaneously heated to 200 ℃, and the induction metal core 6 is used for transmitting the temperature to the heating coil 4, so that the heating coil 4 is quickly heated through heat transmission.
In order to prevent a heating coil 5 from being shorted due to high temperature, a heat insulation layer 7 is arranged between a spiral tube body of a heating coil 4 and the heating coil 5, and the heat insulation layer 7 can effectively isolate high temperature heat brought by the heating coil 4 and the induction metal core 6. The heating coil 5 both ends have upper heating apron 31 and lower heating apron 32, and heating coil 5 both ends and upper heating apron 31 and lower heating apron 32 butt, and upper heating apron 31 and lower heating apron 32 are used for fixed heating coil 4, insulating layer 7, heating coil 5 and induction metal core 6, prevent the drunkenness, and upper heating apron 31 and lower heating apron 32 have lead wire hole 34, and the input and the output of heating coil 4 draw forth from lead wire hole 34. The steam generating mechanism 3 further comprises a housing 33, the housing 33 is sleeved outside the whole steam generating mechanism 3, and the input end and the output end of the heating coil 4 are led out from two ends of the housing 33 of the steam generating mechanism 3. Steam is supplied from the input end of the heating coil 4, heated by the steam generating mechanism 3, and then supplied from the output end of the heating coil 4.
One end of the puncture needle 1 is connected with the output end of the heating coil 4, and the other end of the puncture needle passes through a baffle 8 at the end part of the handle 2 and extends out of the handle 2. The puncture needle 1 comprises a steam delivery pipe 11, a vacuum pipe 12 and a puncture needle head 13, one end of the steam delivery pipe 11 is communicated with the output end of the heating coil 4, the other end of the steam delivery pipe 11 is communicated with the puncture needle head 13, the vacuum pipe 12 is sleeved on the outer wall of the steam delivery pipe 11, the two ends of the vacuum pipe 12 are connected with the steam delivery pipe 11 in a sealing way, a vacuum interlayer is formed between the outer wall of the steam delivery pipe 11 and the inner wall of the vacuum pipe 12, the vacuum interlayer has a heat insulation function, the high temperature of steam of the steam delivery pipe 11 is isolated, the outer wall of the vacuum pipe 12 can be kept at normal temperature, and normal skin, muscle and other tissues in a needle track are prevented from being scalded. The sleeve assembly of the steam delivery tube 11 and the vacuum tube 12 is at least partially positioned in the puncture needle 13, the puncture needle 13 comprises a needle body 132 and a needle point 131, the needle point 131 is fixedly connected with the needle body 132, at least one steam outlet hole 133 is formed in the tube wall of the needle body 132, the number of the steam outlet holes 133 is twelve, the steam outlet holes are arranged in parallel in a single row and four rows, and the sleeve assembly formed by the puncture needle 13, the steam delivery tube 11 and the vacuum tube 12 is arranged in a staggered manner, so that smooth steam outlet can be ensured.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a vacuum steam ablation needle, includes pjncture needle (1), handle (2) and steam generation mechanism (3), pjncture needle (1) one end and handle (2) fixed connection, and the other end is used for the puncture to get into human focus tissue, inside and the inside fixed connection of handle (2) are located in steam generation mechanism (3), steam generation mechanism (3) one end input steam water, the other end and pjncture needle (1) intercommunication for heating steam water and carry the vapor that the heating produced to pjncture needle (1), a serial communication port, pjncture needle (1) include steam delivery pipe (11) and vacuum tube (12), steam delivery pipe (11) outer wall cover has vacuum tube (12), the both ends and the steam delivery pipe (11) sealing connection of vacuum tube (12) form the vacuum intermediate layer between the outer wall of steam delivery pipe (11) and the inner wall of vacuum tube (12).
2. Vacuum steam ablation needle according to claim 1, characterized in that the puncture needle (1) comprises a puncture needle head (13), and the sleeve assembly formed by the steam delivery tube (11), the vacuum tube (12) is at least partly located inside the puncture needle head (13).
3. Vacuum steam ablation needle according to claim 2, characterized in that the puncture needle (13) comprises a needle body (132) and a needle tip (131), the needle tip (131) is fixedly connected with the needle body (132), and at least one steam outlet hole (133) is formed in the pipe wall of the needle body (132).
4. A vacuum steam ablation needle according to claim 3, wherein the steam outlet holes (133) have three rows of four.
5. A vacuum steam ablation needle according to claim 3, characterized in that the puncture needle (13) is arranged in a staggered manner with respect to the sleeve assembly formed by the steam delivery tube (11), the vacuum tube (12).
6. Vacuum steam ablation needle according to claim 1, characterized in that the steam generating means (3) comprises a heating coil (4), the heating coil (4) body is a hollow spiral tube, one end of the tube body is an input end for inputting steam water, the other end is an output end for outputting steam water, a heating coil (5) is arranged outside the spiral tube body of the heating coil (4), and the heating coil (5) is connected with an external electromagnetic heating plate.
7. Vacuum steam ablation needle according to claim 6, characterized in that the heating coil (5) is of stainless steel.
8. The vacuum steam ablation needle according to claim 6, wherein the induction metal core (6) is arranged in the spiral tube body of the heating coil (4), and the heating coil (4) spirals on the outer surface of the induction metal core (6).
9. Vacuum steam ablation needle according to claim 8, characterized in that a thermal insulation layer (7) is provided between the spiral tube body of the heating coil (4) and the heating coil (5).
10. The vacuum steam ablation needle according to claim 8, wherein the heating coil (5) is provided with an upper heating cover plate (31) and a lower heating cover plate (32) at two ends, the two ends of the heating coil (5) are abutted with the upper heating cover plate (31) and the lower heating cover plate (32), the upper heating cover plate (31) and the lower heating cover plate (32) are used for fixing the heating coil (4), the heat insulating layer (7), the heating coil (5) and the induction metal core (6), the upper heating cover plate (31) and the lower heating cover plate (32) are provided with lead holes (34), the input end and the output end of the heating coil (4) are led out from the lead holes (34), the steam generating mechanism (3) comprises a shell (33), the shell (33) is sleeved outside the whole steam generating mechanism (3), the input end and the output end of the heating coil (4) are led out from the two ends of the shell (33) of the steam generating mechanism (3), and the steam is input from the input end of the heating coil (4) and the output end of the heating coil (4) after being heated by the steam generating mechanism (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005731.4U CN219166613U (en) | 2022-11-11 | 2022-11-11 | Vacuum steam ablation needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223005731.4U CN219166613U (en) | 2022-11-11 | 2022-11-11 | Vacuum steam ablation needle |
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| Publication Number | Publication Date |
|---|---|
| CN219166613U true CN219166613U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223005731.4U Active CN219166613U (en) | 2022-11-11 | 2022-11-11 | Vacuum steam ablation needle |
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| CN (1) | CN219166613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116849796A (en) * | 2023-07-17 | 2023-10-10 | 海汛医疗科技(苏州)有限公司 | Control method and device of steam ablation equipment and steam ablation equipment |
| CN117618100A (en) * | 2023-12-20 | 2024-03-01 | 邦士医疗科技股份有限公司 | Thermal steam ablation system for prostate operation |
-
2022
- 2022-11-11 CN CN202223005731.4U patent/CN219166613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116849796A (en) * | 2023-07-17 | 2023-10-10 | 海汛医疗科技(苏州)有限公司 | Control method and device of steam ablation equipment and steam ablation equipment |
| CN117618100A (en) * | 2023-12-20 | 2024-03-01 | 邦士医疗科技股份有限公司 | Thermal steam ablation system for prostate operation |
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