CN220459405U - Water-free cold microwave ablation antenna for treating breast cancer - Google Patents

Water-free cold microwave ablation antenna for treating breast cancer Download PDF

Info

Publication number
CN220459405U
CN220459405U CN202321719274.7U CN202321719274U CN220459405U CN 220459405 U CN220459405 U CN 220459405U CN 202321719274 U CN202321719274 U CN 202321719274U CN 220459405 U CN220459405 U CN 220459405U
Authority
CN
China
Prior art keywords
microwave
cable
transmission cable
breast cancer
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321719274.7U
Other languages
Chinese (zh)
Inventor
董怡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Rongfeng Medical Technology Co ltd
Original Assignee
Nantong Rongfeng Medical Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Rongfeng Medical Technology Co ltd filed Critical Nantong Rongfeng Medical Technology Co ltd
Priority to CN202321719274.7U priority Critical patent/CN220459405U/en
Application granted granted Critical
Publication of CN220459405U publication Critical patent/CN220459405U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Surgical Instruments (AREA)

Abstract

The utility model belongs to the technical field of breast cancer microwave ablation, in particular to a water-free cold microwave ablation antenna for treating breast cancer, which comprises a needle, wherein the bottom end of the needle is provided with a supporting rod, the bottom end of the supporting rod is provided with a handle, a groove is arranged in the handle, the inner walls of two sides of the groove are provided with rotating shaft grooves, a rotating shaft is arranged in each rotating shaft groove, a fixing member is arranged on each rotating shaft, a microwave cable is arranged in each groove, one end, close to the needle, of each microwave cable is provided with a microwave transmission cable inner conductor, and a microwave transmission cable PTFE insulating layer is arranged at the joint of each microwave cable and each microwave transmission cable inner conductor; the phenomenon that the microwave cable is easily bent under the influence of force is avoided.

Description

Water-free cold microwave ablation antenna for treating breast cancer
Technical Field
The utility model relates to the technical field of breast cancer microwave ablation, in particular to a water-free cold microwave ablation antenna for treating breast cancer.
Background
Microwave ablation is a thermal ablation technique for breast cancer treatment which has developed faster for more than 10 years; the heating mechanism of the microwave on biological tissues has two aspects: dipole heating is a main factor of microwave heating; under the action of microwave electromagnetic field with frequency of more than 900MHz, dipole charges such as water molecules in tumor are unbalanced, the direction is changed rapidly along with the alternation of microwave electric field, and the dipoles are overturned at the frequency of more than million times per second and mutually rubbed and collided, so that a large amount of heat is generated to denature and necrotize tissues; on the other hand, ions in the tissue are heated by the ions, and under the action of the microwave electromagnetic field, the ions also change direction rapidly to generate vibration and collide with each other, so that kinetic energy is converted into heat energy; the heating process of the visible microwaves is that the tissue actively generates heat under the action of an electromagnetic field, and the tissue rapidly reaches high temperature in a short time.
The prior art has the following problems:
1. the microwave cable of the existing microwave ablation antenna is connected with the handle in a pluggable or screwed way, so that poor contact is easy to occur, heating is generated, and even the ablation suddenly stops;
2. when the microwave cable of the existing microwave ablation antenna is used in operation, the generated force easily bends the microwave cable, and the normal use of the microwave ablation antenna is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a water-free cold microwave ablation antenna for treating breast cancer, which solves the problems that the existing microwave cable of the microwave ablation antenna is connected with a handle in a plug or screw way, is easy to cause poor contact, generates heat, and even causes the phenomena of sudden ablation stop and the like; when the microwave cable of the existing microwave ablation antenna is used in an operation, the generated force easily bends the microwave cable, and the normal use problem of the microwave ablation antenna is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a no water cooling microwave ablation antenna of treatment breast cancer, includes the syringe needle, the syringe needle bottom is provided with the bracing piece, the bracing piece bottom is provided with the handle, the inside recess that is provided with of handle, recess both sides inner wall is provided with the pivot groove, be provided with the rotation axis in the pivot groove, be provided with fixed component on the rotation axis, the rotation axis surface is provided with the torsional spring, the inside microwave cable that is provided with of recess, microwave cable is close to syringe needle one end and is provided with microwave transmission cable inner conductor, microwave cable and microwave transmission cable inner conductor junction is provided with microwave transmission cable PTFE insulating layer, be provided with microwave transmission cable shielding layer on the microwave cable.
As a preferable technical scheme of the utility model, the bottom end of the needle is fixedly connected with a supporting rod, the bottom end of the supporting rod is fixedly connected with a handle, and a groove is formed in the handle.
As a preferable technical scheme of the utility model, the inner walls of the two sides of the groove are provided with two groups of rotating shaft grooves, the rotating shaft grooves are movably connected with rotating shafts, the rotating shafts are provided with two groups, the rotating shafts are fixedly connected with fixing members, and the fixing members are provided with two groups.
As a preferable technical scheme of the utility model, one end of the torsion spring is fixedly connected with the outer surface of the rotating shaft, the other end of the torsion spring is fixedly connected with the inner wall of the rotating shaft groove, and two groups of torsion springs are arranged.
As a preferable technical scheme of the utility model, a microwave cable is movably connected in the groove, a microwave transmission cable inner conductor is fixedly connected to the microwave cable near the needle head, the microwave transmission cable inner conductor is made of nickel titanium wires, and a microwave transmission cable PTFE insulating layer is fixedly connected to the joint of the microwave cable and the microwave transmission cable inner conductor.
As a preferable technical scheme of the utility model, a microwave transmission cable shielding layer is fixedly sleeved on the microwave cable, and the microwave transmission cable shielding layer is of a nickel titanium wire woven net structure.
Compared with the prior art, the utility model provides the anhydrous cold microwave ablation antenna for treating breast cancer, which has the following beneficial effects:
1. this kind of no water cooling microwave ablation antenna of treatment breast cancer, set up flutedly through the handle is inside, the pivot groove has been seted up to recess both sides inner wall, pivot inslot swing joint has the rotation axis, fixedly connected with fixed component on the rotation axis, insert microwave cable in the recess, microwave cable can promote fixed component downwards, make microwave cable can block into in the recess smoothly, the torsional spring can drive fixed component to microwave cable's surface rotation that resets simultaneously, make fixed component's bottom hug closely on microwave cable's surface, make microwave cable fix inside the recess, thereby avoid microwave cable to appear contacting failure's phenomenon and take place, the practicality of device is improved.
2. The microwave transmission cable inner conductor is made of nickel titanium wires, the microwave transmission cable shielding layer is fixedly sleeved on the microwave cable, and the microwave transmission cable shielding layer is of a nickel titanium wire woven mesh structure, and the nickel titanium material has super elasticity and memory, so that the phenomenon that the microwave cable is easily bent due to the influence of force is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a microwave cable according to the present utility model;
FIG. 3 is a schematic view of the internal structure of the handle of the present utility model;
fig. 4 is a schematic view of the structure of the rotating shaft of the present utility model.
In the figure: 1. a needle; 2. a support rod; 3. a handle; 4. a groove; 5. a rotating shaft groove; 6. a rotation shaft; 7. a fixing member; 8. a torsion spring; 9. a microwave cable; 10. a microwave transmission cable inner conductor; 11. PTFE insulating layer of microwave transmission cable; 12. a microwave transmission cable shield.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in the present embodiment: the utility model provides a no water cooling microwave ablation antenna of treatment breast cancer, including syringe needle 1, syringe needle 1 bottom is provided with bracing piece 2, the bracing piece 2 bottom is provided with handle 3, the inside recess 4 that is provided with of handle 3, recess 4 both sides inner wall is provided with pivot groove 5, pivot groove 5 makes rotation axis 6 rotatable, be provided with rotation axis 6 in the pivot groove 5, rotation axis 6 drives fixed member 7 rotation, be provided with fixed member 7 on the rotation axis 6, fixed member 7 presss from both sides tight fixing in recess 4 with microwave cable 9, the rotation axis 6 surface is provided with torsional spring 8, torsional spring 8 makes fixed member 7 get back to original position, recess 4 inside is provided with microwave cable 9, microwave cable 9 is close to syringe needle 1 one end and is provided with microwave transmission cable inner conductor 10, microwave cable 9 and microwave transmission cable inner conductor 10 junction is provided with microwave transmission cable PTFE insulating layer 11, be provided with microwave transmission cable shielding layer 12 on the microwave cable 9, the phenomenon that the easy emergence is crooked of microwave cable shielding layer 12 is avoided microwave cable 9 to receive the influence of power.
In the embodiment, the bottom end of the needle head 1 is fixedly connected with a supporting rod 2, the bottom end of the supporting rod 2 is fixedly connected with a handle 3, a groove 4 is formed in the handle 3, and a microwave ablation antenna is convenient to use; the inner walls of the two sides of the groove 4 are provided with two groups of rotating shaft grooves 5, the rotating shaft grooves 5 are internally and movably connected with rotating shafts 6, the rotating shafts 6 are provided with two groups, the rotating shafts 6 are fixedly connected with fixing members 7, the fixing members 7 are provided with two groups, and the microwave cable 9 is clamped and fixed in the groove 4; one end of the torsion spring 8 is fixedly connected with the outer surface of the rotating shaft 6, the other end of the torsion spring 8 is fixedly connected with the inner wall of the rotating shaft groove 5, and the torsion spring 8 is provided with two groups, so that the fixed component 7 returns to the original position; a microwave cable 9 is movably connected in the groove 4, a microwave transmission cable inner conductor 10 is fixedly connected to the first part of the microwave cable 9, which is close to the needle head 1, the microwave transmission cable inner conductor 10 is made of nickel titanium wires, a microwave transmission cable PTFE insulating layer 11 is fixedly connected to the joint of the microwave cable 9 and the microwave transmission cable inner conductor 10, and breast cancer is ablated by microwaves; the microwave transmission cable shielding layer 12 is fixedly sleeved on the microwave cable 9, and the microwave transmission cable shielding layer 12 is of a nickel titanium wire woven mesh structure, so that the phenomenon that the microwave cable 9 is easily bent under the influence of force is avoided.
The working principle and the using flow of the utility model are as follows: the operator is through needle 1 bottom fixedly connected with bracing piece 2, bracing piece 2 bottom fixedly connected with handle 3, through holding handle 3, get into the human body with needle 1 along the hole of punching, pass through microwave cable 9 with microwave transmission to the radiator of installation on the needle 1 produce the radiation, make breast cancer cells can ablate, the purpose of ablating breast cancer through the microwave has been reached, insert microwave cable 9 in recess 4, microwave cable 9 can push down fixed member 7, make microwave cable 9 can block into in recess 4 smoothly, simultaneously torsional spring 8 can drive fixed member 7 to the surface rotation that resets of microwave cable 9, make the bottom of fixed member 7 hug closely on the surface of microwave cable 9, make microwave cable 9 fix in recess 4 inside, thereby avoid microwave cable 9 to appear contacting failure's phenomenon to take place, improve the practicality of device, through microwave transmission cable inner conductor 10 material for nickel titanium silk, microwave transmission cable shield layer 12 is nickel titanium silk braided net structure, because of nickel titanium material has super elasticity and memory, thereby avoid microwave cable 9 to receive the influence of power to take place crooked phenomenon easily.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. An anhydrous cold microwave ablation antenna for treating breast cancer, which is characterized in that: including syringe needle (1), syringe needle (1) bottom is provided with bracing piece (2), bracing piece (2) bottom is provided with handle (3), handle (3) inside is provided with recess (4), recess (4) both sides inner wall is provided with pivot groove (5), be provided with rotation axis (6) in pivot groove (5), be provided with fixed component (7) on rotation axis (6), rotation axis (6) surface is provided with torsional spring (8), recess (4) inside is provided with microwave cable (9), microwave cable (9) are close to syringe needle (1) one end and are provided with microwave transmission cable inner conductor (10), microwave cable (9) are provided with microwave transmission cable PTFE insulating layer (11) with microwave transmission cable inner conductor (10) junction, be provided with microwave transmission cable shielding layer (12) on microwave cable (9).
2. An anhydrous cold microwave ablation antenna for treating breast cancer according to claim 1, wherein: the needle head is characterized in that the bottom end of the needle head (1) is fixedly connected with a supporting rod (2), the bottom end of the supporting rod (2) is fixedly connected with a handle (3), and a groove (4) is formed in the handle (3).
3. An anhydrous cold microwave ablation antenna for treating breast cancer according to claim 1, wherein: the novel rotary shaft device is characterized in that rotary shaft grooves (5) are formed in the inner walls of two sides of the groove (4), two groups of rotary shaft grooves (5) are formed in the rotary shaft grooves (5), rotary shafts (6) are movably connected in the rotary shaft grooves (5), two groups of rotary shafts (6) are arranged, fixing members (7) are fixedly connected to the rotary shafts (6), and two groups of fixing members (7) are arranged.
4. An anhydrous cold microwave ablation antenna for treating breast cancer according to claim 1, wherein: one end of the torsion spring (8) is fixedly connected with the outer surface of the rotating shaft (6), the other end of the torsion spring (8) is fixedly connected with the inner wall of the rotating shaft groove (5), and the torsion spring (8) is provided with two groups.
5. An anhydrous cold microwave ablation antenna for treating breast cancer according to claim 1, wherein: the novel plastic syringe is characterized in that a microwave cable (9) is movably connected inside the groove (4), a microwave transmission cable inner conductor (10) is fixedly connected to the microwave cable (9) close to the syringe needle (1), the microwave transmission cable inner conductor (10) is made of nickel titanium wires, and a microwave transmission cable PTFE insulating layer (11) is fixedly connected to the joint of the microwave cable (9) and the microwave transmission cable inner conductor (10).
6. An anhydrous cold microwave ablation antenna for treating breast cancer according to claim 1, wherein: the microwave cable (9) is fixedly sleeved with a microwave transmission cable shielding layer (12), and the microwave transmission cable shielding layer (12) is of a nickel titanium wire woven mesh structure.
CN202321719274.7U 2023-07-03 2023-07-03 Water-free cold microwave ablation antenna for treating breast cancer Active CN220459405U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321719274.7U CN220459405U (en) 2023-07-03 2023-07-03 Water-free cold microwave ablation antenna for treating breast cancer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321719274.7U CN220459405U (en) 2023-07-03 2023-07-03 Water-free cold microwave ablation antenna for treating breast cancer

Publications (1)

Publication Number Publication Date
CN220459405U true CN220459405U (en) 2024-02-09

Family

ID=89798974

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321719274.7U Active CN220459405U (en) 2023-07-03 2023-07-03 Water-free cold microwave ablation antenna for treating breast cancer

Country Status (1)

Country Link
CN (1) CN220459405U (en)

Similar Documents

Publication Publication Date Title
Stauffer Evolving technology for thermal therapy of cancer
CN220459405U (en) Water-free cold microwave ablation antenna for treating breast cancer
CN100459951C (en) Radio-frequency thermotherapy apparatus for eliminating defect of subcutaneous fat superheat
CN104027169A (en) Microwave ablation needle for treating thyroid tumors
Surita et al. Finite element analysis for optimizing antenna for microwave coagulation therapy
CN217853277U (en) Bipolar adjustable radiofrequency ablation electrode and radiofrequency ablation device
Mahmoud et al. Design of hyperthermia applicator to heat multi-brain tumors simultaneously based on adaptive beamforming technique
Schwan Electromagnetic and ultrasonic induction of hyperthermia in tissue-like substances
CN216080025U (en) Mesh type graphene far infrared electric heater
CN209392599U (en) MM wave therapeutic instrument
Maini Design optimization of tapered cap floating sleeve antenna for interstitial microwave ablation for liver tumor
Lias et al. Simulation study of an EBG-M applicator towards non-invasive breast hyperthermia cancer procedure
Singh et al. FEM anlaysis of microwave hyperthermia and the effect of SAR & temperature elevation on liver tumor
CN201044768Y (en) Horizontal electric field radio frequency thermotherapy instrument
CN2396787Y (en) Temp. control tumor therapeutic probe
Ibitoye et al. Finite element analysis of single slot antenna for microwave tumor ablation
Abd Rahman et al. Focusing lens design to achieve small focal spot size in human body
CN201044769Y (en) Radio frequency thermotherapy instrument for eliminating subcutaneous fat superheating unsoundness
Narpati Design of ultrawideband applicator for microwave ablation aimed at thermal therapy in liver cancer
Fenn et al. Adaptive focusing experiments for minimally invasive monopole phased arrays in hyperthermia treatment of breast cancer
Hassan et al. Applicator design considerations of microwave tumor ablation
Liu et al. Microwave Ablation Antenna with the ablation pattern being a figure-of-eight
GB2165428A (en) Microwave heating apparatus
CN1293022A (en) Temp-controllable microwave radiator of cancers
CN219166624U (en) Medical electric needle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant