CN209966547U - Microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance - Google Patents

Microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance Download PDF

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Publication number
CN209966547U
CN209966547U CN201920312989.8U CN201920312989U CN209966547U CN 209966547 U CN209966547 U CN 209966547U CN 201920312989 U CN201920312989 U CN 201920312989U CN 209966547 U CN209966547 U CN 209966547U
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side wall
cover body
microwave ablation
wall
outer cover
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林征宇
陈锦
陈仲武
林清锋
陈健
严媛
林瑞祥
陈一平
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Nanjing Vison-China Medical Devices R & D Center
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First Affiliated Hospital of Fujian Medical University
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Abstract

The utility model relates to a microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance, which is provided with an instrument operation surface, a power switch, a water circulation switch, a water cooling pipe, a power interface and a microwave output port; the method is characterized in that: the microwave ablation instrument auxiliary system for being compatible with nuclear magnetic resonance comprises an outer cover body which can contain the microwave ablation instrument. The existing microwave ablation instrument is covered in the outer cover body, so that the magnetic influence of the microwave ablation instrument on the nuclear magnetic resonance system can be eliminated, the magnetic resonance imaging cannot be influenced, and the microwave ablation instrument is compatible with the magnetic resonance imaging system. By adopting the system, the existing microwave ablation instrument is not required to be improved, and the nuclear magnetic resonance system can be compatible only by placing the existing microwave ablation instrument in the system. The auxiliary system is simple in structure and convenient to operate.

Description

Microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance
Technical Field
The utility model relates to a microwave ablation appearance auxiliary system for compatible nuclear magnetic resonance.
Background
Medically, cancer (cancer) refers to a malignant tumor originating from epithelial tissues, and is the most common of the malignant tumors, and cancer is one of the leading causes of death worldwide. There are many ways of treating tumors using microwave ablation, except that a few tumors can be surgically excised.
Since the 21 st century, the development of medical microwave technology is rapid, and particularly, the rapid development of microwave ablation of tumors is a main means in clinical tumor treatment.
The microwave ablation system is characterized in that a microwave ablation needle is inserted into a tumor tissue of a human body, microwave energy is continuously radiated, so that polar molecules in the tissue move at a high speed under the action of a microwave field and rub against each other to generate heat, cell proteins in the tissue are denatured and solidified, irreversible necrosis is caused, and the purpose of tumor ablation is achieved. Compared with radiofrequency ablation, which is thermal ablation, the time required for microwave ablation to coagulate and necrose the same volume of tissue can be shortened by 50%, and safer, wider-ranging tumor inactivation can be achieved.
The existing microwave ablation image guiding mode includes B ultrasonic, CT and MR: the micro-bubbles generated during image-guided ablation by B-mode ultrasound may affect the observation of deep parts, the image resolution is low, and shadows are formed under the ribs. When the ablation is supplemented again, the residual focus is difficult to judge, and the thin electrode of the multi-pole needle is unclear; when the CT is adopted for image-guided ablation, the tissue resolution is low, the puncture path cannot be observed in real time, imaging in any direction cannot be realized, and the ablation effect cannot be observed in real time in the operation. CT, like ultrasound, can only roughly estimate the range of the lesion.
The magnetic resonance imaging system is a medical imaging device applying the magnetic resonance phenomenon, and gradually becomes an important diagnosis basis in medical image diagnosis due to the advantages of multi-parameter imaging, imaging in any direction, no ionizing radiation, high tissue contrast, good resolution, no bone artifacts and the like. Due to the advantages, magnetic resonance imaging is more and more widely used for minimally invasive interventional therapy, ultrasound focused non-invasive therapy, gamma knife, accelerator and other precise radiotherapy. Magnetic resonance imaging offers the doctor better than providing the other two "eyes" with the aid of which a more optimal surgical planning, a more precise positioning, a smaller incision and a faster recovery are achieved.
However, the existing microwave ablator has a magnetic field, which affects the uniformity of the magnetic field of the magnetic resonance imaging system, thereby affecting the imaging thereof, and therefore the existing microwave ablator is not compatible with the magnetic resonance imaging system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a microwave ablation appearance auxiliary system for compatible nuclear magnetic resonance uses this auxiliary system not to need improve current microwave ablation appearance, only needs to melt the appearance cover with the microwave and establish in the dustcoat internally, can eliminate the magnetic influence of microwave ablation appearance to the nuclear magnetic resonance system to make current microwave ablation appearance and magnetic resonance imaging system can be compatible.
The utility model discloses a following technical scheme realizes: a microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance is provided with an instrument operation surface, a power switch, a water circulation switch, a water cooling pipe, a power interface and a microwave output port; the method is characterized in that: the microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance comprises an outer cover body which can contain the microwave ablation instrument;
the outer cover body comprises a supporting frame, and a top wall, a bottom wall and a side wall which are wrapped outside the supporting frame, wherein the side wall is connected between the top wall and the bottom wall;
the side wall is provided with a first operation opening which penetrates through the inner surface and the outer surface of the wall body of the side wall and can expose the instrument operation surface at a position corresponding to the position of the instrument operation surface, and the first operation opening is provided with a first door body which can be opened and closed movably; the side wall is provided with a second operation opening which penetrates through the inner surface and the outer surface of the wall body of the side wall and can expose the water circulation switch at a position corresponding to the position of the water circulation switch, and the second operation opening is provided with a second door body which can be opened and closed movably;
the outer cover body is also provided with a first through hole penetrating through the inner surface and the outer surface of the wall body of the side wall, the outer cover body is also provided with a power supply adapting device used for avoiding a magnetic field interference, the power supply adapting device comprises a filtering power supply adapter positioned in the outer cover body, an internal power connection port connected with the power supply adapter and positioned in the outer cover body, and an external power connection port connected with the power supply adapter and penetrating out of the first through hole of the outer cover body, and the internal power connection port is electrically connected with the power supply port through a lead;
the outer cover body is also provided with a second through hole penetrating through the inner surface and the outer surface of the wall body of the side wall, a radio frequency connecting cable adapter is arranged in the second through hole in a penetrating manner, a microwave output port of the microwave ablation instrument is connected with the radio frequency connecting cable adapter through a first radio frequency connecting cable, the radio frequency connecting cable adapter is externally connected with a second radio frequency connecting cable connected with the ablation needle, and more than one conjugate coil used for eliminating a magnetic field generated by the cable is wound outside the second radio frequency connecting cable;
the outer cover body is also provided with a water circulation inlet and outlet which runs through the inner surface and the outer surface of the wall body of the side wall, and a water circulation inlet and outlet pipe connected with a water cooling pipe is arranged in the water circulation inlet and outlet in a penetrating way;
the outer cover body is also provided with more than one group of radiating ports which penetrate through the inner surface and the outer surface of the wall body of the side wall;
the top wall, the bottom wall, the side wall, the first door body and the second door body are all made of heat-conducting non-magnetic materials;
the outer cover body is also provided with a third through hole which penetrates through the inner surface and the outer surface of the wall body of the side wall, and an elastic button mechanism which is exposed outside the outer cover body at one end and is contacted with the power switch at the other end and used for triggering the power switch to be turned on and off is arranged in the third through hole in a penetrating manner.
The microwave ablation instrument auxiliary system for the compatible nuclear magnetic resonance is used for covering the microwave ablation instrument in the outer cover body, and can eliminate the magnetic influence of the microwave ablation instrument on the nuclear magnetic resonance system, so that the microwave ablation instrument auxiliary system is compatible with the magnetic resonance imaging system. The system is convenient to operate, the microwave ablation instrument can be operated by opening the first operation opening and the second operation opening, and the system can be closed by closing the first operation opening and the second operation opening, so that the microwave ablation operation can be performed. The switch of the machine is controlled by means of a resilient button mechanism. The outer cover body on be equipped with radio frequency connecting cable adapter can conveniently adopt radio frequency connecting cable to connect inside microwave ablation appearance and outside ablation needle. The water circulation inlet and outlet of the outer cover body can conveniently take heat out of the system, so that the service life can be prolonged, and convenience is brought to the operation.
Furthermore, in order to conveniently switch the microwave ablation instrument, the first operation opening is not required to be opened in each operation, the elastic button mechanism comprises a button seat, a press rod and a spring, a first guide hole and a second guide hole which are sequentially communicated from inside to outside are formed in the button seat, the first guide hole, the second guide hole and the third through hole are communicated from inside to outside, the aperture of the first guide hole and the aperture of the third through hole are smaller than that of the second guide hole, the press rod is arranged in the first guide hole, the second guide hole and the third through hole in a penetrating mode, the spring is arranged in the second guide hole and sleeved on the periphery of the press rod, under the action of the spring, when the spring is not subjected to an external force, a press head at the outer end of the press rod is exposed out of the third through hole, and the inner end of the press rod is not contacted with the power switch; when the power supply is pressed inwards by external force, the inner end of the pressing rod can trigger the power supply switch.
Further, open the convenience for first door body, the utility model discloses further preferred as follows: the outer cover body further comprises a first hinge hinged between the first door body and the side wall, and a first interlocking mechanism which is arranged between the first door body and the side wall and located on the opposite side of the first hinge and used for fixing the first door body.
Further, open the convenience for first door body, the utility model discloses further preferred as follows: the outer cover body further comprises a second hinge hinged between the second door body and the side wall, and a second interlocking mechanism which is arranged between the second door body and the side wall and located on the opposite side of the second hinge and used for fixing the second door body.
Furthermore, the top wall, the bottom wall and the side wall are fixedly connected with the supporting frame through screws.
Compared with the prior art, the utility model discloses further improve as follows: the existing microwave ablation instrument is covered in the outer cover body, so that the magnetic influence of the microwave ablation instrument on the nuclear magnetic resonance system can be eliminated, the magnetic resonance imaging cannot be influenced, and the microwave ablation instrument is compatible with the magnetic resonance imaging system. By adopting the system, the existing microwave ablation instrument is not required to be improved, and the nuclear magnetic resonance system can be compatible only by placing the existing microwave ablation instrument in the system. The auxiliary system is simple in structure and convenient to operate.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention. (Direction one)
Fig. 2 is a schematic structural view (upper side wall open state) of embodiment 1 of the present invention.
Fig. 3 is a schematic partial sectional structural view of an elastic button mechanism part according to embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 1 of the present invention. (Direction two)
Fig. 5 is a schematic structural view (upper side wall open state) of embodiment 1 of the present invention.
Fig. 6 is a schematic diagram of a partial cross-sectional structure of a power adapter device according to embodiment 1 of the present invention.
Wherein the reference numerals are as follows:
1. the microwave ablation instrument comprises, by weight, 1-1 part of a microwave ablation instrument, an instrument operation surface, 1-2 parts of an electric switch, 1-3 parts of a water circulation switch, 1-4 parts of a water cooling pipe, 1-5 parts of a power supply interface, 1-6 parts of a microwave output port, 2 parts of an outer cover body, 2-1 parts of a supporting frame, 2-2-1 parts of a top wall, 2-2-2 parts of a bottom wall, 2-2-3 parts of a side wall, 2-3 parts of a first operation opening, 2-4 parts of a first door body, 2-5 parts of a second operation opening, 2-6 parts of a second door body, 2-7 parts of a power supply box device, 2-7-1 parts of a power supply adapter, 2-7-2 parts of an inner connection port, 2-7-3 parts of an outer connection port, 2-8-1 parts of a first through hole, 2-8-3 parts of second through hole, 2-9 parts of third through hole, 2-10 parts of radio frequency connecting cable adapter, 2-10 parts of water circulation inlet and outlet, 2-11 parts of heat dissipation port, 2-12 parts of elastic button mechanism, 2-12-1 parts of button seat, 2-12-2 parts of pressing rod, 2-12-3 parts of spring, 2-12-4 parts of first guide hole, 2-12-5 parts of second guide hole, 2-12-6 parts of pressing head, 2-13 parts of water circulation inlet and outlet pipe, 3-1 parts of first interlocking mechanism, 3-2 parts of second interlocking mechanism, 4 parts of screw, 5-1 parts of first radio frequency connecting cable, 5-2 parts of second radio frequency connecting cable, 6 parts of conjugate coil, 7-1 parts of first hinge joint, 7-2 parts of water circulation inlet and outlet pipe, The second hinge is hinged.
Detailed Description
The present invention will be described in detail with reference to the following drawings and embodiments:
example 1
As shown in fig. 1-6, an auxiliary system of a microwave ablation instrument for compatibility with nuclear magnetic resonance is provided, wherein the microwave ablation instrument 1 is provided with an instrument operation surface 1-1, a power switch 1-2, a water circulation switch 1-3, a water cooling tube 1-4, a power interface 1-5, and a microwave output port 1-6; the method is characterized in that: the microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance comprises an outer cover body 2 which can contain the microwave ablation instrument 1;
the outer cover body 2 comprises a supporting frame 2-1, and a top wall 2-2-1, a bottom wall 2-2-2 and a side wall 2-2-3 which are wrapped outside the supporting frame 2-1, wherein the side wall 2-2-3 is connected between the top wall 2-2-1 and the bottom wall 2-2-2;
the side wall 2-2-3 is provided with a first operation opening 2-3 which penetrates through the inner surface and the outer surface of the wall body of the side wall 2-2-3 and can expose the instrument operation surface 1-1 at a position corresponding to the position of the instrument operation surface 1-1, and the first operation opening 2-3 is provided with a first door body 2-4 which can be opened and closed movably; the side wall 2-2-3 is provided with a second operation opening 2-5 which penetrates through the inner surface and the outer surface of the wall body of the side wall 2-2-3 and can expose the water circulation switch 1-3 at a position corresponding to the position of the water circulation switch 1-3, and the second operation opening 2-5 is provided with a second door body 2-6 which can be opened and closed movably;
the outer cover body 2 is also provided with a first through hole 2-8-1 which runs through the inner surface and the outer surface of the wall body of the side wall 2-2-3, the outer cover body 2 is also provided with power supply adapting devices 2-7 for avoiding magnetic field interference, the power adapter 2-7 comprises a filtering power adapter 2-7-1 positioned in the outer cover body 2, an internal electric port 2-7-2 connected with the power adapter 2-7-1 and positioned in the outer cover body 2, and an external electric port 2-7-3 connected with the power adapter 2-7-1 and penetrating out of a first through hole 2-8-1 of the outer cover body 2, the internal electric connection port 2-7-2 is electrically connected with the power supply interface 1-5 through a lead;
the outer cover body 2 is also provided with a second through hole 2-8-2 penetrating through the inner surface and the outer surface of the wall body of the side wall 2-2-3, a radio frequency connecting cable adapter 2-9 is arranged in the second through hole 2-8-2 in a penetrating manner, a microwave output port 1-6 of the microwave ablation instrument is connected with the radio frequency connecting cable adapter 2-9 through a first radio frequency connecting cable 5-1, a second radio frequency connecting cable 5-2 used for being connected with an ablation needle is connected outside the radio frequency connecting cable adapter 2-9, and more than one conjugate coil 6 used for eliminating a magnetic field generated by the cable is wound outside the second radio frequency connecting cable 5-2;
the outer cover body 2 is also provided with a water circulation inlet and outlet 2-10 which runs through the inner surface and the outer surface of the wall body of the side wall 2-2-3, and a water circulation inlet and outlet pipe 2-13 connected with a water cooling pipe 1-4 is arranged in the water circulation inlet and outlet 2-10 in a penetrating way;
the outer cover body 2 is also provided with more than one group of heat dissipation ports 2-11 which penetrate through the inner surface and the outer surface of the wall body of the side wall 2-2-3;
the top wall 2-2-1, the bottom wall 2-2-2, the side wall 2-2-3, the first door body 2-4 and the second door body 2-6 are all made of heat-conducting non-magnetic materials; (the heat-conducting non-magnetic material in this embodiment is a non-ferrous aluminum plate, and other heat-conducting non-magnetic materials such as non-ferrous copper alloy can also be adopted.)
The outer cover body 2 is also provided with a third through hole 2-8-3 which penetrates through the inner surface and the outer surface of the wall body of the side wall 2-2-3, and an elastic button mechanism 2-12 which is exposed outside the outer cover body 2 at one end and is contacted with the power switch 1-2 at the other end and used for triggering the power switch 1-2 to be opened and closed is arranged in the third through hole 2-8-3 in a penetrating way.
The microwave ablation instrument auxiliary system for the compatible nuclear magnetic resonance is used for covering the microwave ablation instrument in the outer cover body, and can eliminate the magnetic influence of the microwave ablation instrument on the nuclear magnetic resonance system, so that the microwave ablation instrument auxiliary system is compatible with the magnetic resonance imaging system. The system is convenient to operate, the microwave ablation instrument can be operated by opening the first operation opening and the second operation opening, and the system can be closed by closing the first operation opening and the second operation opening, so that the microwave ablation operation can be performed. The switch of the machine is controlled by means of a resilient button mechanism. The outer cover body on be equipped with radio frequency connecting cable adapter can conveniently adopt radio frequency connecting cable to connect inside microwave ablation appearance and outside ablation needle. The water circulation inlet and outlet of the outer cover body can conveniently take heat out of the system, so that the service life can be prolonged, and convenience is brought to the operation.
The elastic button mechanism 2-12 of this embodiment includes a button seat 2-12-1, a pressing rod 2-12-2 and a spring 2-12-3 sleeved outside the pressing rod 2-12-2, the button seat 2-12-1 is provided with a first guide hole 2-12-4 and a second guide hole 2-12-5 which are sequentially communicated from outside to inside, the first guide hole 2-12-4, the second guide hole 2-12-5 and the third through hole 2-8-3 are communicated from inside to outside, the pressing rod 2-12-2 penetrates from the second guide hole 2-12-5 and penetrates from the first guide hole 2-12-4 until contacting with the power switch 1-2, and the size and shape of the pressing rod 2-12-2 and the second guide hole 2-12-2 are matched in structure 12-5, the outer circumference of the spring 2-12-3 is larger than the diameter of the second guide hole 2-12-5, and the outer end of the pressing rod 2-12-2 is provided with a pressing head 2-12-6 extending outwards from the third through hole 2-8-3.
The outer cover 2 of this embodiment further includes a first hinge 7-1 hinged between the first door body 2-4 and the side wall 2-2-3, and a first interlock mechanism 3-1 located between the first door body 2-4 and the side wall 2-2-3 and opposite to the first hinge 7-1 for fixing the first door body 2-4.
The outer cover 2 of this embodiment further includes a second hinge 7-2 hinged between the second door body 2-6 and the side wall 2-2-3, and a second interlocking mechanism 3-2 located between the second door body 2-6 and the side wall 2-2-3 and on the opposite side of the second hinge 7-2 for fixing the second door body 2-6.
The top wall 2-2-1, the bottom wall 2-2-2 and the side wall 2-2-3 are all fixedly connected with the supporting frame 2-1 through screws 4.
While the present invention has been shown and described with reference to particular embodiments and alternatives thereof, it will be understood that various changes and modifications can be made without departing from the spirit and scope of the invention. It is understood, therefore, that the invention is not to be limited, except as by the appended claims and their equivalents.

Claims (5)

1. A microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance is characterized in that a microwave ablation instrument (1) is provided with an instrument operation surface (1-1), a power switch (1-2), a water circulation switch (1-3), a water cooling pipe (1-4), a power interface (1-5) and a microwave output port (1-6); the method is characterized in that: the microwave ablation instrument auxiliary system for being compatible with nuclear magnetic resonance comprises an outer cover body (2) which can contain the microwave ablation instrument (1) inside;
the outer cover body (2) comprises a supporting frame (2-1), and a top wall (2-2-1), a bottom wall (2-2-2) and a side wall (2-2-3) which are wrapped outside the supporting frame (2-1), wherein the side wall (2-2-3) is connected between the top wall (2-2-1) and the bottom wall (2-2-2);
the side wall (2-2-3) is provided with a first operation opening (2-3) which penetrates through the inner surface and the outer surface of the wall body of the side wall (2-2-3) and can expose the instrument operation surface (1-1) at a position corresponding to the position of the instrument operation surface (1-1), and a first door body (2-4) capable of being opened and closed movably is arranged on the first operation opening (2-3); the side wall (2-2-3) is provided with a second operation opening (2-5) which penetrates through the inner surface and the outer surface of the wall body of the side wall (2-2-3) and can expose the water circulation switch (1-3) at the position corresponding to the position of the water circulation switch (1-3), and a second door body (2-6) capable of being opened and closed movably is arranged on the second operation opening (2-5);
the external cover is characterized in that the external cover body (2) is further provided with a first through hole (2-8-1) penetrating through the inner surface and the outer surface of the wall body of the side wall (2-2-3), the external cover body (2) is further provided with a power adapter (2-7) used for avoiding an interference magnetic field, the power adapter (2-7-1) comprises a filtering power adapter (2-7-1) positioned in the external cover body (2), an internal connection port (2-7-2) connected with the power adapter (2-7-1) and positioned in the external cover body (2), and an external connection port (2-7-3) connected with the power adapter (2-7-1) and penetrating out of the first through hole (2-8-1) of the external cover body (2), and the internal connection port (2-7-2) and the power interface (1-5) are electrically connected through a wire Connecting;
the outer cover body (2) is further provided with a second through hole (2-8-2) penetrating through the inner surface and the outer surface of the wall body of the side wall (2-2-3), a radio frequency connecting cable adapter (2-9) penetrates through the second through hole (2-8-2), a microwave output port (1-6) of the microwave ablation instrument is connected with the radio frequency connecting cable adapter (2-9) through a first radio frequency connecting cable (5-1), a second radio frequency connecting cable (5-2) used for being connected with an ablation needle is connected outside the radio frequency connecting cable adapter (2-9), and more than one conjugate coil (6) used for eliminating a magnetic field generated by the cable is wound outside the second radio frequency connecting cable (5-2);
the outer cover body (2) is also provided with a water circulation inlet and outlet (2-10) which runs through the inner surface and the outer surface of the wall body of the side wall (2-2-3), and a water circulation inlet and outlet pipe (2-13) connected with the water cooling pipe (1-4) is arranged in the water circulation inlet and outlet (2-10) in a penetrating way;
the outer cover body (2) is also provided with more than one group of heat dissipation ports (2-11) which penetrate through the inner surface and the outer surface of the wall body of the side wall (2-2-3);
the top wall (2-2-1), the bottom wall (2-2-2), the side wall (2-2-3), the first door body (2-4) and the second door body (2-6) are all made of heat-conducting non-magnetic materials;
the outer cover body (2) is also provided with a third through hole (2-8-3) which penetrates through the inner surface and the outer surface of the wall body of the side wall (2-2-3), and an elastic button mechanism (2-12) which is exposed outside the outer cover body (2) at one end and is used for triggering the power switch (1-2) to be opened and closed and is contacted with the power switch (1-2) at the other end penetrates through the third through hole (2-8-3).
2. The microwave ablation instrument auxiliary system for the compatibility of nuclear magnetic resonance according to claim 1, characterized in that the elastic button mechanism (2-12) comprises a button seat (2-12-1), a pressing rod (2-12-2) and a spring (2-12-3), the button seat (2-12-1) is provided with a first guide hole (2-12-4) and a second guide hole (2-12-5) which are sequentially communicated from inside to outside, the first guide hole (2-12-4), the second guide hole (2-12-5) and the third through hole (2-8-3) are communicated from inside to outside, the first guide hole (2-12-4) and the third through hole (2-8-3) are smaller in aperture than the second guide hole (2-12-5), the pressing rod (2-12-2) is arranged in the first guide hole (2-12-4), the second guide hole (2-12-5) and the third through hole (2-8-3) in a penetrating mode, the spring (2-12-3) is located in the second guide hole (2-12-5) and sleeved on the periphery of the pressing rod (2-12-2), under the action of the spring (2-12-3), when the spring is not subjected to external force, the pressing head (2-12-6) at the outer end of the pressing rod (2-12-2) is exposed out of the third through hole (2-8-3), and the inner end of the pressing rod (2-12-2) is not in contact with the power switch (1-2); when the inner end of the pressing rod (2-12-2) is pressed inwards by external force, the inner end of the pressing rod can trigger the power switch (1-2).
3. The auxiliary system for the nuclear magnetic resonance compatible microwave ablation instrument is characterized in that the outer cover body (2) further comprises a first hinge (7-1) hinged between the first door body (2-4) and the side wall (2-2-3), and the outer cover body (2) further comprises a first interlocking mechanism (3-1) which is arranged between the first door body (2-4) and the side wall (2-2-3) and is positioned at the opposite side of the first hinge (7-1) and matched with the first interlocking mechanism.
4. The auxiliary system for a nuclear magnetic resonance compatible microwave ablation instrument according to claim 1, characterized in that the outer cover body (2) further comprises a second hinge (7-2) hinged between the second door body (2-6) and the side wall (2-2-3), and the outer cover body (2) further comprises a second interlocking mechanism (3-2) of the second door body (2-6) on the side wall (2-2-3) and the second door body (2-6) on the side wall (2-2-3) opposite to the second hinge (7-2) and cooperating with each other.
5. The auxiliary system for a nuclear magnetic resonance compatible microwave ablation instrument according to claim 1, characterized in that the top wall (2-2-1), the bottom wall (2-2-2) and the side wall (2-2-3) are fixedly connected with the supporting frame (2-1) through screws (4).
CN201920312989.8U 2019-03-12 2019-03-12 Microwave ablation instrument auxiliary system compatible with nuclear magnetic resonance Active CN209966547U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109730767A (en) * 2019-03-12 2019-05-10 福建医科大学附属第一医院 It is a kind of for being compatible with the microwave ablation instrument auxiliary system of nuclear magnetic resonance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109730767A (en) * 2019-03-12 2019-05-10 福建医科大学附属第一医院 It is a kind of for being compatible with the microwave ablation instrument auxiliary system of nuclear magnetic resonance

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