TWM532263U - Electromagnetic thermotherapy device and extended conduction tube used for the same - Google Patents

Description

Electromagnetic hyperthermia device and extension catheter for electromagnetic hyperthermia device

The present invention relates to a thermotherapy device, and more particularly to an electromagnetic hyperthermia device.

Referring to FIG. 1, the electromagnetic thermotherapy apparatus generally includes a main body 100, and a coil 101 electrically connected to the main body 100. The coil 101 is made of a hollow copper tube and includes a coil section 102 which is curved and surrounded by a plurality of turns. And two mounting segments 103 extending from the coil body 102 to the outside of the coil segment 102. The coil 102 is electrically connected to the host 100 by the mounting segments 103, and simultaneously connected to the host 100 to form a fluid. In the circulation loop, in addition to outputting power for driving the coil section 102 to generate a high-frequency magnetic field, the host 100 may also pump cooling liquid into the fluid circulation loop to dissipate heat generated by energization of the coil 101.

However, since the coil 101 is made of a hard copper tube, it has a certain rigidity. When the electrical connection is mounted on the main body 100, the extended state is substantially fixed. When performing electromagnetic hyperthermia, it is difficult to bend the same. The mounting section 103 adjusts the position of the coil section 102 relative to the user, and is easily biased due to bending adjustment, causing unrecoverable deformation of the mounting sections 103, resulting in internal fluid passages being blocked and even leaking and leaking. Therefore, there is still room for improvement in current electromagnetic thermotherapy devices.

Therefore, the object of the present invention is to provide an electromagnetic thermotherapy device that is easy to operate and use.

Another object of the present invention is to provide an extension catheter for mounting between an electromagnetic thermotherapy device and a coil to facilitate the transfer of the coil.

Thus, the novel electromagnetic thermotherapy device comprises a hollow tubular coil that can be energized to generate a high frequency magnetic field, two extension conduits, a cooling module, and a high frequency magnetic field control module. The extension ducts are electrically connected to both ends of the coil in communication with the coil ends, and each extension duct has a hollow first terminal electrically connected to the coil end and communicating with the coil, and a hollow a second terminal, a conductive line electrically connected between the first terminal and the second terminal, and a flexible deformation spanning between the first terminal and the second terminal and disposed outside the conductive line a flexible insulating tube internally defining a fluid passage surrounding the conductive line, the first terminal having a first through hole communicating the coil and the fluid passage, the second terminal having a communication a second through hole of the fluid passage. The cooling module has two guiding terminals for respectively connecting and electrically connecting the second terminals, and the guiding terminals are respectively connected to the second through holes, and can be driven to pass through the guiding The terminals are circulated and pumped with the fluid in the fluid passages that are in communication with the coil. The high frequency magnetic field control module is electrically connected to the conductive terminals, and is drivable to output electric power for driving the coil to generate a high frequency magnetic field via the conductive terminals.

Therefore, the extension duct of the present invention for an electromagnetic thermotherapy apparatus can be used for transporting a coolant and transmitting power between a hollow tubular coil and a host. The extension conduit includes a conductive wire, a hollow first terminal electrically connected to one end of the conductive wire, a hollow second terminal electrically connected to the other end of the conductive wire, and a mounting and fixing to the first terminal A flexible insulating tube disposed outside the conductive line between the second terminals. The first terminal has a first through hole electrically connectable to one end of the coil for transmitting power, and the coil is connected via the first through hole to deliver the coolant. The second terminal has a second through hole electrically connectable to the host to transmit power, and communicates with the host via the second through hole to deliver the coolant. The flexible insulating tube defines a fluid passage spaced around the conductive line and communicating the first through hole and the second through hole.

The utility model has the advantages that the extension duct can be flexibly deformed, and the structure design of the electric power and the cooling liquid can be simultaneously guided, so that the medical staff can conveniently cooperate with the electromagnetic field inserted into the patient when the electromagnetic thermotherapy device is used. The position of the thermotherapy needle is adjusted to change the position of the coil segment by bending the extension catheter.

Referring to Figures 2 and 3, an embodiment of the electromagnetic hyperthermia device of the present invention can be used to drive a plurality of hyperthermia-heating thermotherapy needles (not shown) for heat treatment. The electromagnetic thermotherapy device comprises a main body 3, a coil 4, and two extension ducts 5 for electrically connecting between the main body 3 and the coil 4 to form a power supply circuit and a flexible circuit.

The main unit 3 includes a casing 30 and a cooling module 31 and a high frequency magnetic field control module 32 respectively mounted in the casing 30. The cooling module 31 stores a cooling liquid and has two guiding terminals 311 which are exposed to the casing 30 and are made of a conductive material, and can be driven to store the stored coolant through one of the guiding terminals 311. Pumping out and conducting the recirculating coolant via another lead terminal 311. The high-frequency magnetic field control module 32 is electrically connected to the conductive terminals 311, and the power for driving the coil 4 to generate a high-frequency magnetic field can be output via the conductive terminals 311. Since the host 3 is a conventional component and has many types, it is not an improvement focus of the present invention, and therefore will not be described in detail.

The coil 4 is made of a hollow tube member of a conductive material, and includes a coil segment 41 spirally wound around a plurality of turns, and a connecting portion 42 extending outward from the two ends of the coil segment 41, respectively, and the group of segments The end portions of the 42 are respectively provided with a lock joint 421 for electrically connecting to the extension ducts 5.

The extension ducts 5 are respectively connected between the lead terminals 311 and the lock joints 421, and are electrically connected between the high frequency magnetic field control module 32 and the set of junctions 42 respectively. The coolant is delivered and cooperated to output power to drive the coil 4.

Each of the extension ducts 5 includes a hollow tubular first terminal 52, a hollow tubular second terminal 53, and a conductive line 51 that is flexibly electrically connected between the first terminal 52 and the second terminal 53. A spacer collar 54 disposed outside the conductive line 51 along the length of the conductive strip 51, and a sleeve disposed on the conductive line 51 and the spacer collar 54 are externally connected and fixed to the first terminal a flexible insulating tube 55 between the second terminal 53 and the flexible insulating tube 55 cooperates with the first terminal 52 and the second terminal 53 to define a fluid passage 50 surrounding the conductive line 51 .

In this embodiment, the conductive line 51 is a copper stranded wire, and the first terminal 52 and the second terminal 53 are both conductive copper joints. However, when implemented, the conductive line 51, the first terminal 52 and the conductive terminal 51 The second terminal 53 can also be made of other conductive materials, not limited thereto.

The first terminal 52 has a first electrical connection end portion 521 electrically connected to one end of the conductive wire 51, and a first connection connector 421 is electrically connected and fixed to communicate with the set of segments 42. The first locking end portion 523 and the first electrical connecting end portion 521 are radially provided with a first through hole 522 communicating with the fluid passage 50.

The second terminal 53 has a second electrical connection end 531 electrically connected to the other end of the conductive wire 51, and a second locking end 533. The second electrical connection end 531 is radially inserted. a second through hole 532 communicating with the fluid passage 50, the second locking end portion 533 having a detachable connection and fixing to the respective guiding terminal 311 for communicating with the cooling module 31 Lock joint 534.

The flexible insulating tube 55 is made of an electrically insulating material, such as plastic, rubber, silicone, etc., and is sleeved and fixed to the first electrical connecting end portion 521 and the second electrical connecting end portion respectively. Outside of 531, it is in communication with the first through hole 522 and the second through hole 532. The outer diameter of the spacer collar 54 is smaller than the inner diameter of the flexible insulating tube 55 to prevent the conductive wire 51 from contacting the flexible insulating tube 55.

When the electromagnetic thermotherapy device of the present invention is assembled, the first terminals 52 of the extension conduits 5 can be electrically connected to the assembly segments 42 of the coil 4, and the first terminals 52 and the coils 4 are connected. The second terminals 53 of the extension ducts 5 are electrically connected to the conductive terminals 311, and the coils 4 are coupled to the high-frequency magnetic field control module 32 via the extension ducts 5 to form the The power supply circuit and the coil 4 are coupled to the cooling module 31 via the extension ducts 5 to form the cooling circuit.

When the electromagnetic thermotherapy device is used, the high-frequency magnetic field control module 32 can be driven to output electric power via the power supply circuit, and the coil segment 41 of the coil 4 is driven to generate a high-frequency magnetic field capable of inducing heat generation of the electromagnetic thermal therapy needle. The cooling module 31 can be driven to pump the coolant into the cooling circuit via one of the guiding terminals 311, and the coolant flows into the respective extension ducts 5 via the guiding terminal 311. The two terminals 53 are injected into the fluid passage 50, and then injected into the coil 4 through the first terminal 52 of the extension conduit 5, thereby dissipating the thermal energy of the coil 4, and the coolant flowing through the coil 4 flows into another one. The fluid passage 50 of the duct 5 is extended and returned to the cooling module 31 via another lead terminal 311 for cooling and cooling to be repeatedly used for recycling.

In this embodiment, the first terminal 52 and the second terminal 53 are fixed to the two ends of the conductive line 51 in a socket manner, and the conductive line 51 closes the first electrical connection end 521 and the second The first through hole 522 and the second through hole 532 are radially opened in the first electrical connection end 521 and the second electrical connection end 531, respectively, but the first through hole 532 is implemented. The manner in which the terminal 52 and the second terminal 53 are electrically connected to the conductive line 51 is not limited to the above manner, and the position and manner of the first through hole 522 and the second through hole 532 can be matched with the first The terminal 52 is electrically connected to the second terminal 53 so as to be electrically connected to the conductive line 51, for example, to be axially penetrated or the like.

In summary, the extension duct 5 can be flexibly deformed, and the structure design of the power and the coolant can be simultaneously guided, so that the electromagnetic heat treatment device can be used to facilitate the insertion of the patient into the electromagnetic field of the patient. The position of the thermotherapy needle is adjusted by changing the axial direction of the coil section 41, and adjusting the position of the coil 4 relative to the patient, so that the high frequency magnetic field of the coil 4 can effectively induce electromagnetic heat. The heat treatment for hyperthermia is quite convenient and practical. It is an innovative electromagnetic hyperthermia device design, so it can achieve the purpose of this new type.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

3‧‧‧Host
30‧‧‧Chassis
31‧‧‧ Cooling module
311‧‧‧Connecting terminal
32‧‧‧High frequency magnetic field control module
4‧‧‧ coil
41‧‧‧ coil section
42‧‧‧section
421‧‧‧Lock connector
5‧‧‧Extension catheter
50‧‧‧ fluid passage
51‧‧‧Flexible wire
52‧‧‧First terminal
521‧‧‧First electrical connection end
522‧‧‧ first through hole
523‧‧‧First locking end
53‧‧‧second terminal
531‧‧‧Second electrical connection end
532‧‧‧Second through hole
533‧‧‧Second locking end
534‧‧‧Lock connector
54‧‧‧ compartment collar
55‧‧‧Flexible insulating tube

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: Figure 1 is a perspective view of a conventional electromagnetic hyperthermia device; Figure 2 is an embodiment of the present electromagnetic thermotherapy device A perspective view of the extension catheter; and Figure 3 is an incomplete side cross-sectional view of an extension catheter of the embodiment.

3‧‧‧Host

30‧‧‧Chassis

311‧‧‧Connecting terminal

4‧‧‧ coil

42‧‧‧section

421‧‧‧Lock connector

5‧‧‧Extension catheter

50‧‧‧ fluid passage

521‧‧‧First electrical connection end

522‧‧‧ first through hole

523‧‧‧First locking end

53‧‧‧second terminal

531‧‧‧Second electrical connection end

532‧‧‧Second through hole

533‧‧‧Second locking end

534‧‧‧Lock connector

51‧‧‧Flexible wire

52‧‧‧First terminal

54‧‧‧ compartment collar

55‧‧‧Flexible insulating tube

Claims (13)

An electromagnetic hyperthermia device comprising: a hollow tubular coil that can be energized to generate a high frequency magnetic field; two extension conduits electrically connected to both ends of the coil in communication with the coil ends, each extension conduit having a a hollow first terminal electrically connected to the coil end and communicating with the coil, a hollow second terminal, a conductive wire electrically connected between the first terminal and the second terminal, and a bridge a flexible insulating tube between the first terminal and the second terminal and disposed outside the conductive line, the flexible insulating tube defining a fluid passage surrounding the conductive line, the first terminal having a first through hole connecting the coil and the fluid passage, the second terminal has a second through hole communicating with the fluid passage; and a cooling module having two separate terminals for connecting the second terminal Connected conductive terminals, the conductive terminals are respectively connected to the second through holes, and can be driven to be circulated and pumped to the coils via the conductive terminals via the conductive terminals ; And a high frequency magnetic field control module is electrically connected to these conductive contact terminal, and can be driven via the guide terminals such output power to drive the coil generates a high frequency magnetic fields. The electromagnetic hyperthermia device of claim 1, wherein each of the extension conduits further comprises at least one collar for positioning the outer portion of the electrically conductive wire and having an outer diameter smaller than an inner diameter of the flexible insulating tube. The electromagnetic hyperthermia device of claim 2, wherein each of the extension ducts further comprises a plurality of spacer collars that are circumferentially spaced apart along the conductive line and respectively positioned outside the conductive line. The electromagnetic hyperthermia device of claim 1, 2 or 3, wherein the conductive wire is a copper strand. The electromagnetic hyperthermia device of claim 1, 2 or 3, wherein the coil has a coil segment that is spirally wound around a plurality of turns and can be energized to generate a high-frequency magnetic field, and two of the two segments are respectively from the coil segment And a plurality of connecting segments extending outwardly, each of the connecting segments having a lock joint for detachably connecting the first terminal to each of the first terminals. The electromagnetic hyperthermia device of claim 5, wherein the first terminal has a first electrical connection end electrically connected to the end of the conductive wire, and one for connecting the respective lock connector The first locking end is electrically connected to the coil, and the first electrical connecting end is radially penetrated with the first through hole. The electromagnetic thermotherapy device of claim 6, wherein the second terminal has a second electrical connection end for electrically connecting to the end of the conductive wire, and a second locking end portion, the first The second locking end portion has a lock joint for detachably connecting and fixing to the respective guiding terminal and electrically connected to the high frequency magnetic field control module, and the second electrical connecting end portion is radially worn The second through hole is provided. An extension catheter for an electromagnetic hyperthermia device, which can be used for transporting a coolant and transmitting power between a hollow tubular coil and a host, the extension conduit comprising: a conductive wire; a hollow first terminal, electrically connected Fixed at one end of the conductive line and having a first through hole electrically connectable to one end of the coil for transmitting power, and communicating the coil through the first through hole to deliver cooling liquid; a hollow second terminal, electric Connected to the other end of the conductive line, and has a second through hole, electrically connected to the host to transmit power, and communicates with the host through the second through hole to deliver coolant; and a flexible insulating tube, installed And being disposed between the first terminal and the second terminal and disposed outside the conductive line, and internally defining a fluid passage spaced around the conductive line and communicating the first through hole and the second through hole. The extension catheter for an electromagnetic hyperthermia device according to claim 8, wherein each of the extension ducts further comprises at least one collar sleeve positioned outside the conductive line and having an outer diameter smaller than an inner diameter of the flexible insulation tube. ring. The extension catheter for an electromagnetic hyperthermia device according to claim 9, wherein each of the extension conduits further comprises a plurality of spacer collars circumferentially distributed along the conductive line to circumferentially position the conductive wires. An extension catheter for an electromagnetic hyperthermia device according to claim 8, 9 or 10, wherein the electrically conductive wire is a copper strand. The extension catheter for an electromagnetic hyperthermia device according to claim 8, 9 or 10, wherein each end of the coil has a lock joint, wherein the first terminal has a first electrical connection fixed to the conductive wire An electrical connection end portion, and a first locking end portion for electrically connecting the respective locking connector to the coil, and the first electrical connection end portion is radially inserted through the first through hole . The extension catheter for an electromagnetic hyperthermia device according to claim 12, wherein the second terminal has a second electrical connection end for electrically connecting to the conductive wire, and a second locking end portion The second locking end portion has a lock connector detachably connected to the main body and electrically connected to the main body, and the second electric connecting end portion is radially inserted through the second through hole .