CN216257377U - Microwave ablation electrode puncture needle - Google Patents
Microwave ablation electrode puncture needle Download PDFInfo
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- CN216257377U CN216257377U CN202122558395.5U CN202122558395U CN216257377U CN 216257377 U CN216257377 U CN 216257377U CN 202122558395 U CN202122558395 U CN 202122558395U CN 216257377 U CN216257377 U CN 216257377U
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- needle
- ablation electrode
- connection port
- microwave ablation
- rod
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- 238000002679 ablation Methods 0.000 title claims abstract description 61
- 238000009413 insulation Methods 0.000 claims abstract description 58
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000004087 circulation Effects 0.000 abstract description 3
- 230000002452 interceptive effect Effects 0.000 abstract description 3
- 206010028980 Neoplasm Diseases 0.000 description 11
- 230000006378 damage Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000011298 ablation treatment Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001338 necrotic effect Effects 0.000 description 1
- 238000007674 radiofrequency ablation Methods 0.000 description 1
- 238000002626 targeted therapy Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
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Abstract
The utility model provides a microwave ablation electrode puncture needle, which comprises: a needle head; one end of the inner needle rod is electrically connected with the needle head; the microwave generating device is electrically connected with the other end of the inner needle rod; the heat insulation assembly comprises an outer needle rod, and the outer needle rod is arranged on the periphery of the inner needle rod; wherein, can form the vacuum heat insulating layer between inner needle bar and the outer needle bar, the vacuum heat insulating layer is used for blocking the heat transfer of inner needle bar to the outer needle bar. Based on the technical scheme of the utility model, compared with a mode that a water cooling or gas cooling system is additionally introduced in the related technology, heat is taken away in real time in the ablation process, and the rod temperature is kept in a safe range, the microwave ablation electrode puncture needle in the application does not need to be additionally provided with an interface and a cooling circulation system, so that the structure is simplified, the complexity of equipment is reduced, and the additionally arranged parts are prevented from interfering the operation of a doctor. Thereby improving the stability and the reliability of the microwave ablation electrode puncture needle.
Description
Technical Field
The utility model relates to the technical field of tumor treatment equipment in medical instruments, in particular to a microwave ablation electrode puncture needle.
Background
Currently, microwave ablation is a thermal ablation technique that can be applied to tumor therapy. The biological tissue is rapidly heated by microwave, so that the tumor tissue is heated, denatured and necrotic, thereby achieving the purpose of treating the tumor. The mechanism of microwave heating is mainly that through the effect of an electromagnetic field, water molecules and other dipoles in the tissues are subjected to frictional heat generation, a large amount of heat energy can be rapidly generated in a short time, and the tissues reach high temperature. Compared with other thermal ablation technologies such as radio frequency and laser ablation, the microwave ablation has the characteristics of fast temperature rise, strong blood vessel coagulation capacity, small influence of blood flow factors, large and stable normal coagulation range and the like, and is a technology with better application prospect in the thermal ablation treatment technology.
However, when the microwave ablation technology is used for tumor treatment, the temperature rise of the puncture needle rod is a common problem to easily cause normal tissue damage. In the related art, a water cooling or air cooling system is additionally introduced, so that heat is taken away in real time in the ablation process, and the temperature of the rod is kept in a safe range. However, the additional introduction of a cooling system increases the complexity of the microwave ablation electrode puncture needle and the equipment, and the additional interface and cooling cycle on the microwave ablation electrode puncture needle reduce the reliability thereof and easily affect the operation of a doctor in application. The stability and the reliability of the microwave ablation electrode puncture needle are influenced.
In other words, the microwave ablation electrode puncture needle in the related art has the problem that the structure is complex and the operation of a doctor is easily affected.
SUMMERY OF THE UTILITY MODEL
The microwave ablation electrode puncture needle solves the problems that the microwave ablation electrode puncture needle is complex in structure and easy to influence operation of doctors.
The utility model relates to a microwave ablation electrode puncture needle, which comprises: a needle head; one end of the inner needle rod is electrically connected with the needle head; the microwave generating device is electrically connected with the other end of the inner needle rod; the heat insulation assembly comprises an outer needle rod, and the outer needle rod is arranged on the periphery of the inner needle rod; wherein, can form the vacuum heat insulating layer between inner needle bar and the outer needle bar, the vacuum heat insulating layer is used for blocking the heat transfer of inner needle bar to the outer needle bar.
In one embodiment, the heat insulation assembly further comprises a needle handle, the needle handle is provided with a first connecting port, a second connecting port and a third connecting port which are communicated with the inside of the needle handle, one end of the inner needle rod penetrates into the needle handle from the first connecting port and penetrates out from the second connecting port to be electrically connected with the microwave generating device, one end of the outer needle rod is inserted into the first connecting port, and the vacuum heat insulation layer is communicated with the inside of the needle handle. Through this embodiment, through to third connector department evacuation, make the inside air admission of vacuum insulation layer inside the needle handle like this, take out from third connector department. Therefore, the vacuum heat insulation layer is in a negative pressure state, and the heat insulation function of the vacuum heat insulation layer is further realized.
In one embodiment, the heat insulation assembly further comprises a needle handle having a first connection port, a second connection port and a third connection port communicating with the inside of the needle handle, one ends of the inner needle rod and the outer needle rod penetrate into the needle handle from the first connection port and penetrate out from the second connection port to be connected with the microwave generation device, and the outer needle rod is provided with micro holes communicating with the inside of the needle handle. Through this embodiment, through to third connector department evacuation, make the inside air of vacuum insulation layer like this get into the inside of needle handle through the micropore, take out from third connector department. Therefore, the vacuum heat insulation layer is in a negative pressure state, and the heat insulation function of the vacuum heat insulation layer is further realized.
In one embodiment, the heat insulation assembly further comprises a vacuum device, and the vacuum device is communicated with the third connecting port. Through this embodiment, evacuating device can be through to third connector department evacuation, makes the inside air admission needle handle's of vacuum insulation layer inside like this, takes out from third connector department. Therefore, the vacuum heat insulation layer is in a negative pressure state, and the heat insulation function of the vacuum heat insulation layer is further realized.
In one embodiment, the insulation assembly further comprises a seal disposed at an end of the inner needle shaft for sealing a gap between the inner needle shaft and the outer needle shaft; or the heat insulation assembly further comprises a welding point which is used for sealing the gap between the inner needle rod or the outer needle rod and the microwave generating device.
In one embodiment, the insulation assembly further comprises a guide tube connected to the first connector. Through this embodiment, the guide tube has a guide function, and can insert the inner needle rod into the inside of the needle handle in a quick guide manner. Thereby improving the installation efficiency of the microwave ablation electrode puncture needle. In addition, the guide tube has a connecting function, and can enhance the connecting strength of the inner needle rod and the needle handle. Thereby ensuring that the microwave ablation electrode puncture needle can work stably and efficiently.
In one embodiment, the needle further comprises an insulating sleeve, and the insulating sleeve is arranged on the needle head and connected with the inner needle rod. Through this embodiment, insulating cover has insulating function, can avoid microwave ablation electrode pjncture needle electric leakage and harm the patient, and then ensures the security of microwave ablation electrode pjncture needle use.
In one embodiment, the needle handle is in a T-shaped three-way structure, the first connecting port and the second connecting port are coaxially arranged, and the central axis of the third connecting port is perpendicular to the central axes of the first connecting port and the second connecting port. Through the embodiment, the three-way structure can facilitate a doctor to hold the microwave ablation electrode puncture needle, so that the microwave ablation electrode puncture needle can be conveniently operated, and the convenience in use of the microwave ablation electrode puncture needle is improved. And three connectors are integrated on the tee joint structure, so that the vacuum heat insulation function of a vacuum heat insulation layer of the microwave ablation electrode puncture needle is guaranteed to be realized, the microwave ablation electrode puncture needle is further guaranteed to be capable of smoothly heating tumor tissues, and the purpose of treating tumors is achieved.
In one embodiment, the inner needle shaft is a copper wire inner core or a coaxial cable.
In one embodiment, the microwave generating device is a radio frequency connector.
The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the utility model is achieved.
Compared with the prior art, the microwave ablation electrode puncture needle provided by the utility model at least has the following beneficial effects:
compared with the mode that a water cooling or gas cooling system is additionally introduced in the related technology, heat is taken away in real time in the ablation process, and the rod temperature is kept in a safe range, the microwave ablation electrode puncture needle in the application does not need to be additionally provided with an interface and a cooling circulation system, so that the structure is simplified, the complexity of equipment is reduced, and the extra parts are prevented from interfering the operation of a doctor. Thereby improving the stability and the reliability of the microwave ablation electrode puncture needle.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic diagram of a microwave ablation electrode needle according to a first embodiment of the present invention;
fig. 2 shows a schematic structural diagram of a microwave ablation electrode puncture needle in the second embodiment of the utility model.
In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.
Reference numerals:
10. a needle head; 20. an inner needle bar; 30. a microwave generating device; 40. an insulating assembly; 41. an outer needle bar; 411. micropores; 42. a seal member; 43. a guide tube; 44. a needle handle; 441. a first connection port; 442. a second connection port; 443. a third connection port; 45. welding spots; 50. a vacuum heat insulation layer; 60. and an insulating sleeve.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in FIG. 1, the present invention provides a microwave ablation electrode needle comprising a needle tip 10, an inner needle shaft 20, a microwave generating device 30 and a heat insulating assembly 40. Wherein one end of inner needle shaft 20 is electrically connected to needle head 10. The microwave generating device 30 is electrically connected to the other end of the inner needle bar 20. The insulation assembly 40 includes an outer needle shaft 41, and the outer needle shaft 41 is disposed on the outer circumference of the inner needle shaft 20. A vacuum insulation layer 50 can be formed between the inner needle bar 20 and the outer needle bar 41, and the vacuum insulation layer 50 is used for blocking heat of the inner needle bar 20 from being transferred to the outer needle bar 41.
In the above arrangement, the heat of the inner needle shaft 20 is prevented from being transmitted to the outer needle shaft 41 by providing the vacuum insulation layer 50 between the inner needle shaft 20 and the outer needle shaft 41. Thereby avoiding the problem that the temperature of the outer needle rod 41 is increased to cause the damage of the normal tissue of the patient. Further ensuring that the microwave ablation electrode puncture needle can heat the tumor tissue smoothly so as to achieve the aim of targeted therapy of the tumor.
Moreover, compared with the mode that a water cooling or air cooling system is additionally introduced in the related art, heat is taken away in real time in the ablation process, and the rod temperature is kept in a safe range, the microwave ablation electrode puncture needle in the application does not need to be additionally provided with an interface and a cooling circulation system, so that the structure is simplified, the complexity of the device is reduced, and the extra parts are prevented from interfering the operation of a doctor. Thereby improving the stability and the reliability of the microwave ablation electrode puncture needle.
Example one
Specifically, as shown in fig. 1, in one embodiment, the heat insulation assembly 40 further includes a needle handle 44, the needle handle 44 has a first connection port 441, a second connection port 442 and a third connection port 443 which are communicated with the inside of the needle handle 44, one end of the inner needle rod 20 penetrates the needle handle 44 from the first connection port 441 and penetrates out from the second connection port 442 to be electrically connected with the microwave generating device 30, one end of the outer needle rod 41 is inserted into the first connection port 441, and the vacuum insulation layer 50 is communicated with the inside of the needle handle 44.
In the above arrangement, the third connection port 443 is evacuated, so that air in the vacuum insulation layer 50 enters the inside of the needle shaft 44 and is drawn out from the third connection port 443. Thus, the interior of the vacuum heat insulation layer 50 is in a negative pressure state, and the heat insulation function of the vacuum heat insulation layer 50 is further realized.
Specifically, as shown in fig. 1, in one embodiment, the thermal insulation assembly 40 further includes a vacuum device (not shown) in communication with the third connection port 443.
In the above arrangement, the vacuum-pumping device can pump air from the third connection port 443 by vacuuming the third connection port 443 so that air in the vacuum insulation layer 50 enters the inside of the needle shaft 44. Thus, the interior of the vacuum heat insulation layer 50 is in a negative pressure state, and the heat insulation function of the vacuum heat insulation layer 50 is further realized.
In particular, in one embodiment, the evacuation device is a pumping element, such as a vacuum pump.
Specifically, as shown in FIG. 1, in one embodiment, the insulation assembly 40 further includes a seal 42, the seal 42 being disposed at an end of the inner needle shaft 20 for sealing a gap between the inner needle shaft 20 and the outer needle shaft 41.
Specifically, as shown in fig. 1, in one embodiment, a seal 42 for sealing the gap between the inner needle shaft 20 and the outer needle shaft 41 is provided at the end of the inner needle shaft 20 near the needle 10.
Specifically, as shown in FIG. 1, in one embodiment, the seal 42 is a gasket.
Specifically, as shown in FIG. 1, in one embodiment, the needle shaft 44 is coupled to the microwave generating device 30 by welding. A welding point 45 is provided therebetween for sealing the gap between the inner needle bar 20 and the microwave generating device 30.
Specifically, as shown in fig. 1, in one embodiment, the insulation assembly 40 further includes a guide tube 43, the guide tube 43 being connected to the first connection port 441.
In the above arrangement, the guide tube 43 has a guide function, and can guide the inner needle shaft 20 quickly into the needle shaft 44. Thereby improving the installation efficiency of the microwave ablation electrode puncture needle. In addition, the guide tube 43 has a connecting function, and can enhance the connecting strength between the inner needle shaft 20 and the needle shaft 44. Thereby ensuring that the microwave ablation electrode puncture needle can work stably and efficiently.
Specifically, as shown in fig. 1, in one embodiment, the microwave ablation electrode needle further comprises an insulating sheath 60, and the insulating sheath 60 is sleeved on the needle head 10 and connected with the inner needle rod 20.
In the above arrangement, the insulating sleeve 60 has an insulating function, so that the damage to the patient caused by the electric leakage of the microwave ablation electrode puncture needle can be avoided, and the safety of the use of the microwave ablation electrode puncture needle can be ensured.
Specifically, as shown in fig. 1, in one embodiment, the needle handle 44 has a T-shaped three-way structure, the first connection port 441 and the second connection port 442 are coaxially disposed, and the central axis of the third connection port 443 is perpendicular to the central axes of the first connection port 441 and the second connection port 442.
In the above arrangement, the three-way structure can facilitate a doctor to hold the microwave ablation electrode puncture needle, so that the microwave ablation electrode puncture needle can be conveniently operated, and the convenience in use of the microwave ablation electrode puncture needle is improved. Moreover, the three connectors are structurally integrated with the three-way connector, so that the vacuum heat insulation function of the vacuum heat insulation layer 50 of the microwave ablation electrode puncture needle is realized, and the microwave ablation electrode puncture needle can be used for smoothly heating tumor tissues to treat tumors.
Specifically, in one embodiment, the inner needle shaft 20 is a copper wire inner core or a coaxial cable.
Of course, the inner needle shaft 20 may be made of other conductive materials according to actual conditions.
Specifically, in one embodiment, the microwave generating device 30 is a radio frequency connector.
Example two
Specifically, as shown in fig. 2, in one embodiment, the heat insulation assembly 40 further includes a needle handle 44, the needle handle 44 has a first connection port 441, a second connection port 442 and a third connection port 443, which are communicated with the inside of the needle handle 44, one ends of the inner needle rod 20 and the outer needle rod 41 penetrate into the needle handle 44 from the first connection port 441 and penetrate out from the second connection port 442 to be connected with the microwave generating device 30, the outer needle rod 41 is provided with micro holes 411, and the micro holes 411 are communicated with the inside of the needle handle 44.
In the above arrangement, by evacuating the third connection port 443, air in the vacuum insulation layer 50 is drawn into the needle shaft 44 through the micro hole 411 and is drawn out from the third connection port 443. Thus, the interior of the vacuum heat insulation layer 50 is in a negative pressure state, and the heat insulation function of the vacuum heat insulation layer 50 is further realized.
It should be noted that the number of the micro holes 411 may be set to be plural, which can improve the air intake efficiency of the air in the vacuum insulation layer 50 sucked into the needle shaft 44.
Specifically, as shown in fig. 2, in one embodiment, the thermal insulation assembly 40 further includes a vacuum device in communication with the third connection port 443.
Specifically, as shown in fig. 2, in one embodiment, the evacuation device is a pumping member, such as a vacuum pump.
Specifically, as shown in fig. 2, in one embodiment, the heat insulation assembly 40 further includes seals 42, the seals 42 being respectively disposed at ends of the inner needle shaft 20 for sealing a gap between the inner needle shaft 20 and the outer needle shaft 41.
Specifically, as shown in FIG. 2, in one embodiment, one of the seals 42 is disposed at an end of the inner needle shaft 20 adjacent to the needle 10, and the other seal 42 is disposed at an end of the inner needle shaft 20 adjacent to the microwave generating device 30.
Specifically, as shown in FIG. 2, in one embodiment, the seal 42 is a gasket.
Specifically, as shown in fig. 2, in one embodiment, the needle shaft 44 is connected to the outer needle shaft 41 by welding. The outer circumference of the outer needle bar 41 is provided with a welding spot 45 for sealing a gap between the outer needle bar 41 and the microwave generating device 30.
Specifically, as shown in fig. 2, in one embodiment, the insulation assembly 40 further includes a guide tube 43, the guide tube 43 being connected to the first connection port 441.
Specifically, as shown in fig. 2, in one embodiment, the microwave ablation electrode needle further comprises an insulating sheath 60, and the insulating sheath 60 is sleeved on the needle head 10 and connected with the inner needle shaft 20.
Specifically, as shown in fig. 2, in one embodiment, the needle handle 44 has a T-shaped three-way structure, the first connection port 441 and the second connection port 442 are coaxially disposed, and the central axis of the third connection port 443 is perpendicular to the central axes of the first connection port 441 and the second connection port 442.
Specifically, in one embodiment, the inner needle shaft 20 is a copper wire inner core or a coaxial cable.
Of course, the inner needle shaft 20 may be made of other conductive materials according to actual conditions.
Specifically, in one embodiment, the microwave generating device 30 is a radio frequency connector.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Although the utility model herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A microwave ablation electrode puncture needle is characterized by comprising:
a needle head;
one end of the inner needle rod is electrically connected with the needle head;
the microwave generating device is electrically connected with the other end of the inner needle rod;
a heat insulation assembly comprising an outer needle bar disposed on a periphery of the inner needle bar;
wherein a vacuum heat insulation layer can be formed between the inner needle rod and the outer needle rod and is used for blocking heat of the inner needle rod from being transferred to the outer needle rod.
2. A microwave ablation electrode puncture needle according to claim 1, wherein the thermal insulation assembly further comprises a needle handle having a first connection port, a second connection port and a third connection port communicating with the interior of the needle handle, one end of the inner needle shaft penetrates into the needle handle from the first connection port and penetrates out from the second connection port to be electrically connected with the microwave generation device, one end of the outer needle shaft is inserted into the first connection port, and the vacuum thermal insulation layer communicates with the interior of the needle handle.
3. A microwave ablation electrode puncture needle according to claim 1, wherein the heat insulation assembly further includes a needle handle having a first connection port, a second connection port, and a third connection port communicating with an interior of the needle handle, one ends of the inner and outer needle rods penetrating the needle handle from the first connection port and penetrating the second connection port to be connected to the microwave generating device, the outer needle rod being provided with micro-holes communicating with an interior of the needle handle.
4. A microwave ablation electrode needle in accordance with claim 2 or 3, wherein the thermal shield assembly further includes a vacuum evacuation device in communication with the third port.
5. A microwave ablation electrode needle in accordance with claim 2 or 3, wherein the thermal shield assembly further includes a seal disposed at an end of the inner needle shaft for sealing a gap between the inner needle shaft and the outer needle shaft; or the heat insulation assembly further comprises a welding point, and the welding point is used for sealing the gap between the inner needle rod or the outer needle rod and the microwave generating device.
6. A microwave ablation electrode needle in accordance with claim 2 or 3, wherein the thermal shield assembly further comprises a guide tube, the guide tube being connected to the first connector.
7. A microwave ablation electrode puncture needle according to claim 1, further comprising an insulating sleeve disposed over the needle head and connected to the inner needle shaft.
8. A microwave ablation electrode puncture needle according to claim 2 or 3, wherein the needle handle is of a T-shaped three-way structure, the first connector and the second connector are coaxially arranged, and the central axis of the third connector is perpendicular to the central axes of the first connector and the second connector.
9. A microwave ablation electrode puncture needle according to claim 1, wherein the inner needle shaft is a copper wire inner core or a coaxial cable.
10. A microwave ablation electrode needle in accordance with claim 1, wherein the microwave generating device is a radio frequency connector.
Priority Applications (1)
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CN202122558395.5U CN216257377U (en) | 2021-10-22 | 2021-10-22 | Microwave ablation electrode puncture needle |
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CN202122558395.5U CN216257377U (en) | 2021-10-22 | 2021-10-22 | Microwave ablation electrode puncture needle |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116898564A (en) * | 2023-08-10 | 2023-10-20 | 南京先欧生物科技有限公司 | Tumor ablation puncture temperature measuring needle |
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2021
- 2021-10-22 CN CN202122558395.5U patent/CN216257377U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116898564A (en) * | 2023-08-10 | 2023-10-20 | 南京先欧生物科技有限公司 | Tumor ablation puncture temperature measuring needle |
CN116898564B (en) * | 2023-08-10 | 2024-04-09 | 南京先欧生物科技有限公司 | Tumor ablation puncture temperature measuring needle |
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