CN113520581B

CN113520581B - Cavity radio frequency probe and radio frequency therapeutic apparatus

Info

Publication number: CN113520581B
Application number: CN202110816493.6A
Authority: CN
Inventors: 丁毅; 梁永生; 李亚楠; 雷晓兵
Original assignee: Shenzhen Peninsula Medical Co Ltd
Current assignee: Shenzhen Peninsula Medical Group Co.,Ltd.
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2023-02-28
Anticipated expiration: 2041-07-19
Also published as: CN113520581A

Abstract

The invention discloses a cavity radio frequency probe and a radio frequency therapeutic apparatus, wherein the cavity radio frequency probe comprises a probe body and a first electrode; the probe body is provided with a first accommodating cavity, a radio frequency wire is arranged in the first accommodating cavity, the outer side wall of the probe body is provided with a mounting groove, and the mounting groove is communicated with the first accommodating cavity; the first electrode is arranged on the mounting groove and protrudes out of the outer side wall of the probe body, the first electrode is electrically connected with the radio frequency wire, the first electrode is provided with a contact surface which is in contact with a patient cavity, and the contact surface is an arc-shaped curved surface. The cavity radio-frequency probe is designed based on ergonomics and is suitable for human cavity treatment, the first electrode protruding probe body can be fully contacted with a patient cavity, the contact area of the first electrode protruding probe body and the patient cavity is increased, the treatment effect can be improved, the treatment comfort of the patient is improved, and the cavity radio-frequency probe has good sealing performance.

Description

Cavity radio frequency probe and radio frequency therapeutic apparatus

Technical Field

The invention relates to the technical field of medical equipment, in particular to a cavity radio-frequency probe and a radio-frequency therapeutic apparatus.

Background

At present, a plurality of therapeutic apparatuses aiming at the cavity disease treatment are available on the market, such as a microwave therapeutic apparatus, an infrared therapeutic apparatus, a hip bath type therapeutic apparatus and the like, and the therapeutic apparatuses are expensive in manufacturing cost, inconvenient to carry and generally used in hospitals; still there has been on the market therapeutic instrument for patient's personal therapy, this type of therapeutic instrument generally includes instrument and treatment stick, the treatment stick is used for stretching into patient's coelom, be equipped with the electrode on the treatment stick, it carries out the electro photoluminescence to the caval way focus to put the electric current through the electrode, perhaps carry out heat treatment to the caval way focus through the electrode heating, the former mode adopts the electro photoluminescence effect that only can play the massage, can't eliminate the inflammation, and produce the electric burn to patient's focus position easily, the latter produces the thermal burn to patient's position easily, and the temperature of electrode needs accurate control. Moreover, most electrodes of the treatment rod are directly embedded on the outer surface of the treatment rod, but the cavity structures of different patients are different in size, so that the situation that the electrodes are not in sufficient contact with the body cavity of the patient often occurs, and the treatment effect is poor; in addition, during the treatment, the body fluid secreted by the patient easily enters the inside of the treatment rod from the installation gap of the electrode, so that the internal circuit is short-circuited and the treatment function is lost.

Disclosure of Invention

The invention mainly aims to provide a cavity radio-frequency probe, aiming at improving the treatment effect of the cavity radio-frequency probe on cavity diseases.

In order to achieve the above object, the present invention provides a lumen radiofrequency probe, comprising:

the probe comprises a probe body and a probe body, wherein the probe body is provided with a first accommodating cavity, a radio frequency wire is arranged in the first accommodating cavity, the outer side wall of the probe body is provided with a mounting groove, and the mounting groove is communicated with the first accommodating cavity; and

the first electrode is arranged on the installation groove and protrudes out of the outer side wall of the probe body, the first electrode is electrically connected with the radio frequency wire, the first electrode is provided with a contact surface which is in contact with a cavity of a patient, and the contact surface is an arc-shaped curved surface.

Optionally, the distance that the first electrode protrudes from the outer side wall of the probe body is greater than 0mm, and the distance that the first electrode protrudes from the outer side wall of the probe body is less than or equal to 5mm.

Optionally, the probe body is cylindrical, and the length of the first electrode in the axial direction of the probe body is greater than or equal to the length of the first electrode in the radial direction of the probe body.

Optionally, the length of the first electrode in the axial direction of the probe body is 5 to 40mm.

Optionally, the probe body has a length of 50 to 90mm.

Optionally, the probe body has a diameter of 10 to 35mm.

Optionally, the first electrode is casing-shaped, the first electrode includes a treatment portion and an installation portion connected with the treatment portion, the treatment portion protrudes out of the outer side wall of the probe body, the installation portion is inserted in the installation groove, and the contact surface is formed on the treatment portion.

Optionally, the channel rf probe further includes a sealing ring, and the sealing ring is disposed between the first electrode and the mounting groove.

Optionally, the cavity radio frequency probe further comprises a connecting support, the first electrode is connected with the connecting support, the mounting groove comprises a bottom wall and a first side wall, the sealing ring is arranged between the first electrode and the bottom wall, a via hole communicated with the first accommodating cavity is further formed in the bottom wall, and the connecting support penetrates through the via hole to be buckled with the probe body, so that the sealing ring is pressed on the bottom wall by the first electrode.

Optionally, the connecting bracket comprises a bracket body and hooks arranged on two sides of the bracket body, a clamping block is further convexly arranged on the inner side wall of the probe body, and the hooks penetrate through the through holes to be connected with the clamping block in a buckling manner.

Optionally, the channel rf probe further comprises:

the PCBA board is mounted on the connecting support, and is provided with a temperature sensor used for detecting the temperature of the first electrode;

a heat conducting member disposed between the PCBA and the first electrode; and

the first lead penetrates through the first accommodating cavity and is electrically connected with the PCBA.

Optionally, the lumen radiofrequency probe further comprises a handle, the probe body is connected with the handle, the handle has a first axis along the length direction of the handle, the probe body has a second axis along the length direction of the probe body, and an included angle between the first axis and the second axis is 120-170 degrees

Optionally, the probe body and the handle are each integrally formed.

The invention also provides a radio frequency therapeutic apparatus, comprising:

a host having a radio frequency power supply for outputting a radio frequency current;

the cavity radio-frequency probe of any embodiment above, wherein the cavity radio-frequency probe is electrically connected with the host; and

and the negative plate is connected with a second electrode which is electrically connected with the host.

According to the cavity radio-frequency probe, the outer side wall of the probe body is provided with the mounting groove, the first electrode is mounted in the mounting groove and protrudes out of the outer side wall of the probe body, so that the first electrode can be in full contact with a cavity of a patient, and the treatment effect is improved; and the contact surface of the first electrode and the patient cavity is designed to be an arc-shaped curved surface, so that the contact area of the first electrode and the patient cavity can be further increased, and meanwhile, the contact surface accords with the ergonomic design, so that the comfort level of treatment can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a channel RF probe according to the present invention;

FIG. 2 is an exploded view of the channel RF probe of FIG. 1;

FIG. 3 is a front view of the lumen RF probe of FIG. 1;

FIG. 4 is a right side view of the lumen RF probe of FIG. 1;

FIG. 5 isbase:Sub>A cross-sectional view of the lumen RF probe of FIG. 3 taken along section A-A;

FIG. 6 is an enlarged view taken at I in FIG. 5;

FIG. 7 is an enlarged view taken at II in FIG. 6;

FIG. 8 is a cross-sectional view of the lumen RF probe of FIG. 4 taken along section B-B;

FIG. 9 is an enlarged view taken at III in FIG. 5;

FIG. 10 is a schematic diagram of a first electrode of the lumen RF probe of FIG. 1;

FIG. 11 is a schematic view of the first electrode of FIG. 10 at another angle;

fig. 12 is a schematic structural view of a connecting bracket of the lumen radiofrequency probe in fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Cavity radio frequency probe	400	Radio frequency line
100	Probe body	500	Connecting support
				110	A first accommodating cavity	510	Support body
120	Mounting groove	511	Locating hole
				121	Bottom wall	512	Perforation
122	First side wall	520	Clamp hook
				123	Via hole	600	Connecting screw
124	Annular groove	700	PCBA board
				130	Barrier section	800	Heat conducting member
131	Second side wall	900	Handle (CN)
				140	Clamping block	910	Holding part
200	A first electrode	911	Connector with a locking member
				210	Treatment part	912	Base seat
211	Contact surface	913	Nut with a nut body
				212	Connecting column	914	Adjusting knob
2121	Screw hole	920	Extension part
				220	Mounting part	930	Connecting part
300	Sealing ring	940	Second containing cavity

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides a cavity radio frequency probe.

Specifically, the cavity radio frequency probe is used for treating cavity diseases such as vaginitis, prostatitis and the like, is inserted into a cavity of a patient, outputs radio frequency energy to a focus position of the cavity, enables tissues of the focus position to generate heat energy to heat and lead the tissues of the focus position to be necrotic, and can expand blood vessels of the focus position to promote blood circulation, thereby achieving the treatment effect. The channel RF probe is described in detail below.

Referring to fig. 1 to 12, in an embodiment of the present invention, the channel rf probe 10 includes a probe body 100 and a first electrode 200; as shown in fig. 1 to 6, the probe body 100 has a first receiving cavity 110, a radio frequency line 400 is disposed in the first receiving cavity 110, a mounting groove 120 is disposed on an outer side wall of the probe body 100, and the mounting groove 120 is communicated with the first receiving cavity 110. The first electrode 200 is installed in the installation groove 120 and protrudes out of the outer side wall of the probe body 100, the first electrode 200 is electrically connected with the radio frequency wire 400, the first electrode 200 has a contact surface 210 which is in contact with the patient cavity, and the contact surface 210 is an arc-shaped curved surface.

It can be understood that, in the present embodiment, the first electrode 200 contacts the luminal tissue and outputs radio frequency energy to the luminal tissue, the radio frequency energy can make the luminal tissue actively generate heat, the temperature is raised to make the lesion tissue necrotized, and meanwhile, the temperature is raised to expand nearby blood vessels, promote blood circulation, and enhance metabolism, thereby eliminating inflammation, compared with the current market which performs electrical stimulation or hot compress treatment on the luminal tissue, the first electrode 200 of the present embodiment does not generate electrical burn and thermal burn to the luminal tissue, and the treatment effect is better.

Wherein, the shape of probe body 100 cooperates with the physiological structure design of the anus and the rectal cavity of the human body, so that the probe body 100 can be smoothly inserted into the anus of the patient to enter the rectal cavity, the comfort level of the treatment of the patient can be improved, and the pain of the patient is reduced.

The mounting groove 120 may be a through groove or a semi-closed groove, the shape of the mounting groove 120 corresponds to the shape of the first electrode 200, the first electrode 200 is mounted in the mounting groove 120 and connected to the inner wall of the probe body 100, and the first electrode 200 and the probe body 100 may be connected by a screw, a pin, or a buckle. The rf line 400 in the first accommodating cavity 110 is connected to the first electrode 200 through the mounting groove 110, for the first electrode 200 to output rf energy.

The first electrode 200 protrudes from the outer side wall of the probe body 100, when the probe is used, the first electrode 200 is inserted into the cavity of the patient from the anus of the patient, the protruding arrangement of the first electrode 200 can be more fully contacted with the cavity of the patient, and the treatment effect can be improved. Moreover, a contact surface 211 of the first electrode 200, which is in contact with the patient cavity, is designed to be an arc-shaped curved surface, so that the electrode accords with human engineering, can better adapt to the shape of the patient cavity, further increase the contact area of the first electrode 200 and the patient cavity, and simultaneously improve the comfort level of treatment.

The first electrode 200 is made of a metal material, and the first electrode 200 is integrally formed by machining. Since the contact surface 211 of the first electrode 200 is directly in contact with the patient's lumen, the contact surface 211 of the first electrode 200 is coated with an insulating layer to prevent the body fluid from corroding the first electrode 200 and to prevent the radio frequency current from causing electrical burns to the lumen tissue.

It can be understood that, in order to prevent external liquid from entering the inside of the probe body 100 from the installation gap between the first electrode 200 and the installation groove 120, and avoid causing a short circuit in the internal circuit, and simultaneously prevent the inside of the probe body 100 from being polluted, the first electrode 200 and the installation groove 120 are connected by adhesion, or a sealing ring 300 is disposed between the first electrode 200 and the installation groove 120, so as to eliminate the installation gap between the first electrode 200 and the installation groove 120.

According to the channel radio-frequency probe 10, the outer side wall of the probe body 100 is provided with the mounting groove 120, the first electrode 200 is mounted on the mounting groove 120 and protrudes out of the outer side wall of the probe body 100, so that the first electrode 200 can be fully contacted with a channel of a patient, and the treatment effect is improved; and the contact surface 211 of the first electrode 200 and the patient cavity is designed to be an arc-shaped curved surface, so that the contact area of the first electrode 200 and the patient cavity can be further increased, and meanwhile, the contact surface 211 accords with the ergonomic design, so that the treatment comfort can be improved.

Further, in an embodiment, the distance that the first electrode 200 protrudes from the outer sidewall of the probe body 100 is greater than 0mm, and the distance that the first electrode 200 protrudes from the outer sidewall of the probe body 100 is less than or equal to 5mm. It can be understood that, since the contact surface 210 of the first electrode 200 is an arc-shaped curved surface, the first electrode 200 protrudes from the outer side wall of the probe body 100 by a distance H from the highest point of the contact surface 210 to the outer side wall of the probe body 100, as shown in fig. 6. It can be understood that, in order to prevent the first electrode 200 from protruding the outer side wall of the probe body 100 too far to press the patient cavity and avoid the patient from feeling pain, the maximum design distance of the first electrode 200 protruding the outer side wall of the probe body 100 is 5mm.

Further, in an embodiment, the probe body 100 is cylindrical, and the length of the first electrode 200 in the axial direction of the probe body 100 is greater than or equal to the length of the first electrode 200 in the radial direction of the probe body 100. It will be appreciated that the arrangement of the first electrode 200 extending in the axial direction of the probe body 100 can be made to meet the size of the most patient's lumen, and the design can facilitate the machining of the mounting groove 120 and the mounting of the first electrode 200.

Further, in an embodiment, the length of the first electrode 200 in the axial direction of the probe body 100 is 5 to 40mm. It can be understood that, in the present embodiment, the minimum design length of the first electrode 200 along the axial direction of the probe body 100 is 5mm, and the first electrode can still contact with the cavity to emit radio frequency energy; the maximum design length of the first electrode 200 along the axial direction of the probe body 100 is 40mm, so that the first electrode 200 can be prevented from accidentally injuring other healthy parts in the cavity of the patient due to overlong length while the first electrode 200 has a sufficient contact surface 210 with the lesion part of the cavity.

Further, in one embodiment, the length L of the probe body 100 is 50 to 90mm. Wherein the distance from the anus of the adult to the prostate is 30mm to 40mm, and the longitudinal length of the prostate is 30mm, when the cavitary radiofrequency probe 10 is used for treating prostate diseases, in order to enable the first electrode 200 to reach the position of the prostate, in the present embodiment, the minimum design length L of the probe body 100 is 50mm; meanwhile, the length L of the probe body 100 is not too long, so that the probe body 100 cannot be fully utilized, and the maximum design length L of the probe body 100 is 90mm.

Further, in one embodiment, the probe body 100 is made ofDiameter of

10 to 35mm. Wherein the diameter of adult rectal canal end is about 20mm, and the diameter of human rectal canal has a certain floating range, the diameter of probe body

A design between 10 and 35mm can meet the requirements of most people.

Further, in order to reduce the weight of the first electrode 200 and simultaneously reduce the waste of materials, in an embodiment, referring to fig. 10 and 11, the first electrode 200 is in a housing shape, the first electrode 200 includes a treatment portion 210 and a mounting portion 220, the treatment portion 210 protrudes out of the outer side wall of the probe body 100, the mounting portion 220 is inserted into the mounting groove 120, and the contact surface 210 is formed on the surface of the treatment portion 210 contacting with the patient cavity.

Optionally, in an embodiment, the lumen radiofrequency probe 10 further includes a sealing ring 300, and the sealing ring 300 is disposed between the first electrode 200 and the mounting groove 120. It can be understood that, the sealing ring 300 is used for connecting the first electrode 200 and the mounting groove 120 in a sealing manner, and compared with the method of sealing and blocking the mounting gap between the first electrode 200 and the mounting groove 120 by gluing, the aging of a glue block can be avoided, and the sealing reliability for long-term use is higher; moreover, when the probe body 10 is replaced with a new first electrode 200, the original seal ring 300 is only required to be installed in the installation groove 120, and glue is not required to be applied again.

Through being equipped with sealing washer 300 between first electrode 200 and mounting groove 120, in treatment process or cleaning process, sealing washer 300 is with external environment and probe body 100 inside isolated, can prevent that outside liquid from getting into probe body 100 from the installation clearance of first electrode 200 and mounting groove 120 in, avoids causing the short circuit of circuit, prevents simultaneously that probe body 100 is inside to receive the pollution. When the mounting groove 120 is a through groove, the sealing ring 300 is disposed on the wall of the mounting groove 120; when the mounting groove 120 is a semi-closed groove, the sealing ring 300 may be disposed on the wall of the mounting groove 120 or on the bottom of the mounting groove 120.

Further, in order to simplify the overall structure of the first electrode 200, in an embodiment, referring to fig. 2, 5 to 8, the channel rf probe 10 further includes a connecting bracket 500, the first electrode 200 is connected to the connecting bracket 510, the mounting groove 120 includes a bottom wall 121 and a first side wall 122, the sealing ring 300 is disposed between the first electrode 200 and the bottom wall 121, the bottom wall 121 is further provided with a through hole 123 communicating with the first accommodating cavity 110, and the connecting bracket 500 is buckled and connected with the probe body 100 through the through hole 123, so that the sealing ring 300 is pressed to the bottom wall 121 by the first electrode 200. It can be understood that, by providing the connecting bracket 500 as an independent member to snap-fit the first electrode 200 to the probe body 100, a complex snap structure designed on the first electrode 200 can be omitted, so that the overall structure of the first electrode 200 can be simplified, the processing and production of the first electrode 200 can be facilitated, and the yield of the first electrode 200 can be improved.

The mounting portion 220 of the first electrode 200 is inserted into the mounting groove 120 and abuts against the sealing ring 300, the bottom wall 121 of the mounting groove 120 is used for limiting the depth of the mounting portion 220 inserted into the mounting groove 120, and the mounting portion 220 presses the sealing ring 300 onto the bottom wall 121 under the buckling connection of the connecting bracket 500 and the probe body 100, so that the gap between the mounting groove 120 and the first electrode 200 is eliminated.

Further, in order to further enhance the sealing performance, referring to fig. 5 to 8, a blocking portion 130 is further formed on the bottom wall 121 in a protruding manner around the contour of the through hole 123, a second side wall is formed on a surface of the blocking portion 130 facing the first side wall 122, the bottom wall 121 of the mounting groove 120 and the second side wall 131 of the blocking portion 130 enclose to form an annular groove 124, the sealing ring 300 is disposed in the annular groove 124, and the mounting portion 220 is inserted into the annular groove 124. Under the packing of installation department 220, the outer wall of sealing washer 300 closely laminates with first lateral wall 122, diapire 121 and second lateral wall 131 respectively for sealing washer 300 forms three separation between first electrode 200 and mounting groove 120, if outside liquid will get into in the mounting groove 120, will pass through the first separation that sealing washer 300 and first lateral wall 122 formed in proper order, the second separation that sealing washer 300 and diapire 121 formed and the third separation that sealing washer 300 and second lateral wall 131 formed, just can get into in the mounting groove 120. So set up, eliminated the installation clearance between first electrode 200 and the mounting groove 120, very big increase the degree of difficulty that outside liquid got into in the mounting groove 120, had splendid sealed effect.

Further, referring to fig. 6 and 12, the connecting bracket 500 includes a bracket body 510 and hooks 520 disposed on two sides of the bracket body 510, a latch 140 is further protruded on an inner sidewall of the probe body 100, and the hooks 520 pass through the through holes 123 to be connected with the latch 140 in a fastening manner.

Referring to fig. 6 and 12, the inner wall of the treatment part 210 is further convexly provided with a connection post 212, the connection bracket 500 is correspondingly provided with a positioning hole 511, the connection post 212 is inserted into the positioning hole 511, and the connection post 212 and the positioning hole 511 are in interference fit, so that the first electrode 200 is tightly connected with the connection bracket 500. The rf wire 400 is connected to the connecting post 212, the rf current is conducted to the therapeutic part 210 through the connecting post 212, and the rf wire 400 and the connecting post 212 may be fixed by soldering or may be connected by screws. In the present embodiment, two positioning holes 511 and two connecting posts 212 are respectively disposed to enable the first electrode 200 to be connected to the connecting bracket 500 more stably.

Further, in order to make the first electrode 200 and the connecting bracket 500 more firmly connected, referring to fig. 6, in an embodiment, the connecting column 212 and the connecting bracket 500 are further fixedly connected by a connecting screw 600, wherein the connecting column 212 is further provided with a screw hole 2121, a screw thread portion of the connecting screw 600 extends into the positioning hole 511 from a surface of the bracket body 510 opposite to the first electrode 200 and is in threaded connection with the screw hole 2121, and a screw head of the connecting screw 600 abuts against a surface of the bracket body 510 opposite to the first electrode 200 and presses an end of the rf wire 400 against the bracket body 510. In this way, the first electrode 200 is firmly connected to the connection bracket 500 by the connection screw 600, so that the first electrode 200 is prevented from being separated from the mounting groove 120 by an external force.

Further, during the rf treatment of the tract tissue by the first electrode 200, the first electrode 200 itself may generate heat, and in order to prevent the heat generated by the first electrode 200 from being too high to cause thermal burn to the tract tissue, in one embodiment of the present invention, referring to fig. 5, 6 and 8, the tract rf probe 10 further includes a PCBA plate 700, a heat conduction member 800 and a first conducting wire (not shown). Wherein the PCBA board 700 is arranged on the connecting bracket 500, and the PCBA board 700 is provided with a temperature sensor for detecting the temperature of the first electrode 200; the heat conducting member 800 is disposed between the PCBA board 700 and the first electrode 200, and the first conductive wires are disposed in the first accommodating cavity 110 and electrically connected to the PCBA board 700.

The PCBA board 700 is mounted on the bracket body 510, the bracket body 510 is further provided with a through hole 512 for passing a first wire, and the first wire passes through the through hole 512 and is electrically connected to the PCBA board 700. It is understood that the temperature sensor detects the temperature of the first electrode 200 in real time and feeds the temperature data back to the PCBA board 700, and the PCBA board 700 analyzes and outputs a control signal according to the corresponding temperature and transmits the control signal to the host of the rf therapy apparatus through the first wire, so that the host is controlled to adjust the rf current output by the host, thereby adjusting and stabilizing the temperature of the first electrode 200 to a proper temperature. In the present embodiment, the heat conducting member 800 is a heat conducting silicone grease, which is uniformly coated between the temperature sensor and the first electrode 200, so that the heat of the first electrode 200 is uniform, and the temperature sensor can accurately measure the temperature of the first electrode 200.

Wherein, the whole assembly process of the probe body 100 is as follows:

the first step is to mount the components as a first electrode whole, firstly mount the PCBA board 700 on the bracket body 510, connect the first wire with the PCBA board 700 through the through hole 512 of the bracket body 510, then insert the connection post 212 of the first electrode 200 into the location hole 511 of the bracket body 510 for location, then pass the connection screw 600 through the location hole 511 to be in threaded connection with the screw hole 2121 of the connection post 212, and press the radio frequency wire 400 on the bracket body 510, thus connecting the first electrode 200, the connection bracket 500, the PCBA board 700, the radio frequency wire 400 and the first wire as a whole;

the second step is to integrally assemble the first electrode to the probe body 100, first, the rf cable 400 and the first conductive wire are inserted into the first receiving cavity 110 through the via hole 123 of the mounting groove 120, and then the first electrode is integrally inserted into the mounting groove 120, and the first electrode 200 is pressed toward the mounting groove 120, so that the hook 520 of the connecting bracket 500 and the latch 140 in the probe body 100 are engaged with each other, thereby firmly mounting the first electrode 200 on the probe body 100.

Further, in an embodiment, referring to fig. 1 to 5, the lumen radiofrequency probe 10 further includes a handle 900, the probe body 100 is connected to the handle 900, the handle 900 has a first axis along a length direction thereof, the probe body 100 has a second axis along the length direction thereof, and an included angle α between the first axis and the second axis is 120 ° to 170 °. The handle 900 is used for being held by a user, and the probe body 100 and the handle 900 are designed separately, so that the user can be prevented from directly holding the probe body 100, and the probe body 100 is prevented from being polluted.

The probe body 100 is connected with the handle 900 in a certain inclined angle, the probe body 100 and the handle 900 are not on the same axis, so that when a patient is in a sitting posture or a lateral lying posture, the patient can be free from assistance of other people, the probe body 100 is inserted into a cavity channel of the patient to perform radio frequency treatment on the focus position of the patient, the patient can carry out radio frequency treatment on the focus position by the aid of the probe body 100, the patient can hold the handle 900 by hand, the probe body 100 is aligned to the cavity channel of the patient, the body position of the patient can be fully matched, the patient can use the probe body independently, and privacy of the patient can be protected.

With reference to fig. 5, the handle 900 includes a grip portion 910 and an extension portion 920, the extension portion 920 protrudes from one end of the grip portion 910 and extends in a direction away from the grip portion 910, the grip portion 910 is used for being held by a user, the extension portion 920 is used for being connected to the probe body 100, the grip portion 910 and the extension portion 920 are both cylindrical, and a diameter of the grip portion 910 is greater than a diameter of the extension portion 920, so as to facilitate the user to hold. The extension portion 920 extends along the axial line direction of the grip portion 910, so that the axial line of the grip portion 910 coincides with the axial line of the extension portion 920, i.e., the first axial line. Because the probe body 100 is connected with the handle 900 in an inclined manner at a certain angle, in order to enable the extension part 920 to be connected with the probe body 100 more naturally and facilitate the processing of the connection structure of the extension part 920 and the probe body 100, one end of the extension part 920, which is far away from the gripping part 910, is further bent to form a connection part 930, the connection part 930 is connected with the probe body 100, and the bending angle between the connection part 930 and the extension part 920 is the included angle between the probe body 100 and the handle 900.

Further, in an embodiment of the present invention, in order to further improve the overall sealing performance of the channel rf probe 10, the probe body 100 and the handle 900 are respectively integrally formed. It can understand, through making probe body 100 and handle 900 integrated into one piece respectively, compare in present market with probe body 100 shaping earlier two or more probe body sub-parts, and with handle 900 shaping earlier two or more handle sub-parts, probe body sub-part and handle sub-part splice into probe body 100 and handle 900 respectively through the mode of pegging graft or lock joint, the installation clearance of splice department has been eliminated through integrated into one piece to this embodiment, can save the seal structure design of splice department, reduce the holistic sealed design degree of difficulty of chamber way radio frequency probe 10, and it is more reliable than designing other seal structure sealing performance through integrated into one piece. In addition, through integrated into one piece, can also save the connection structure of concatenation department, save probe body 100 and handle 900 and still need the step of assembling alone respectively, reduce the degree of difficulty of the whole equipment of chamber way radio frequency probe 10, improve the efficiency of whole equipment simultaneously.

It is understood that the connecting portion 930 and the probe body 100 may be a threaded connection, a bayonet connection, or a snap connection. In this embodiment, the connecting portion 930 is connected to the probe body 100 by inserting, referring to fig. 3, the connecting portion 930 is formed with a connector (not labeled), a connecting hole (not labeled) is formed at one end of the probe body 100 close to the handle 900, the connector 930 is inserted into the connecting hole and is in interference fit with the connecting hole, a positioning key (not labeled) is convexly disposed on the connector 930, and a key slot (not labeled) for inserting the positioning key is correspondingly disposed in the connecting hole. In order to ensure the sealing property between the connection part 930 and the connection hole, the connection part 930 is further glued during the insertion process into the connection hole to eliminate a gap between the connection part 930 and the connection hole, and meanwhile, the connection firmness between the connection part 930 and the connection hole is ensured, and the probe body 100 is prevented from being separated from the handle 900.

Referring to fig. 5 and 9, a connector 911 is further disposed at an end of the grip portion 910 away from the extension portion 920, the connector 911 has a first terminal and a second terminal, the handle 900 has a second receiving cavity 940 penetrating the grip portion 910, the extension portion 920 and the connection portion 930, the rf cable 400 and the first conductive wire pass through the first receiving cavity 110 and the second receiving cavity 940 to be electrically connected with the first terminal of the connector 911, and the second terminal of the connector 911 is used for being electrically connected with a host of the rf therapeutic apparatus.

With continued reference to fig. 5 and 9, one end of the holding portion 910 away from the extending portion 920 is fastened and connected with a base 912, the base 912 is provided with a mounting hole, the connector 911 is inserted into the second receiving cavity 940 from the mounting hole of the base 912, and the first terminal of the connector is located in the second receiving cavity 940, an external thread (not labeled) is arranged on the outer peripheral wall of the connector 911, a nut 913 is preset on the base 912, and the connector 911 is in threaded connection with the nut 913 and is locked on the base 912 through an adjusting knob 914.

The invention further provides a radio frequency therapeutic apparatus, which comprises a host and a cavity radio frequency probe 10, the specific structure of the cavity radio frequency probe 10 refers to the above embodiments, and the radio frequency therapeutic apparatus adopts all technical schemes of all the above embodiments, so that the radio frequency therapeutic apparatus at least has all beneficial effects brought by the technical schemes of the above embodiments, and further description is omitted. The host machine is provided with a radio frequency power supply for outputting radio frequency current, the cavity radio frequency probe 10 is electrically connected with the host machine through a second lead, the negative plate is connected with a second electrode, and the second electrode is electrically connected with the host machine through a third lead.

It is understood that in the present embodiment, the first electrode 200 is connected to the positive electrode of the host machine, and the second electrode of the negative plate is connected to the negative electrode of the host machine. In the treatment process, the cavity radio frequency probe 10 is inserted into the cavity of a patient and extends into the cavity to enable the first electrode 200 to be in contact with the cavity focus part, the negative plate is padded on the buttocks (perineum acupoint) or thighs of the patient, so that a closed loop is formed among the host machine, the second lead, the first electrode 200, the second electrode and the third lead, the cavity focus part is directly affected by radio frequency energy, the local tissue of the focus part is heated and warmed, lesion tissues are necrotic, meanwhile, the heat effect promotes the blood circulation of the cavity, the metabolism is enhanced, and inflammation is eliminated.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A luminal radio frequency probe comprising:

the first electrode is arranged on the mounting groove and protrudes out of the outer side wall of the probe body, the first electrode is electrically connected with the radio frequency wire, the first electrode is provided with a contact surface which is in contact with a patient cavity, and the contact surface is an arc-shaped curved surface;

the sealing ring is arranged between the first electrode and the mounting groove;

the first electrode is connected with the connecting support, and the mounting groove comprises a bottom wall and a first side wall;

the bottom wall is further provided with a blocking part, the blocking part is provided with a second side wall facing the first side wall, the bottom wall and the second side wall are enclosed to form an annular groove, the sealing ring is arranged in the annular groove and located between the first electrode and the bottom wall, the first electrode is inserted into the annular groove, and the connecting support is connected with the probe body so that the first electrode can compress the sealing ring on the bottom wall.

2. The channel radio frequency probe of claim 1, wherein the first electrode protrudes beyond the outer sidewall of the probe body by a distance greater than 0mm, and the first electrode protrudes beyond the outer sidewall of the probe body by a distance less than or equal to 5mm.

3. The channel rf probe of claim 1, wherein the probe body is cylindrical, and a length of the first electrode in an axial direction of the probe body is greater than or equal to a length of the first electrode in a radial direction of the probe body.

4. The channel radio frequency probe of claim 3, wherein the length of the first electrode in the axial direction of the probe body is 5 to 40mm.

5. The channel radio frequency probe of claim 3, wherein the length of the probe body is 50 to 90mm.

6. The channel radio frequency probe of claim 3, wherein the diameter of the probe body is 10 to 35mm.

7. The channel radio-frequency probe according to any one of claims 1 to 6, wherein the first electrode is in a shell shape, the first electrode comprises a treatment part and a mounting part connected with the treatment part, the treatment part protrudes out of the outer side wall of the probe body, the mounting part is inserted into the mounting groove, and the contact surface is formed on the treatment part.

8. The channel radio-frequency probe according to any one of claims 1 to 6, wherein a via hole communicating with the first accommodating cavity is further formed in the bottom wall, and the connecting bracket penetrates through the via hole to be buckled with the probe body, so that the first electrode presses the sealing ring against the bottom wall.

9. The rf probe for a plurality of cavities according to claim 8, wherein said connecting bracket comprises a bracket body and hooks disposed on two sides of said bracket body, wherein said probe body further comprises a protruding latch on its inner sidewall, and said hooks pass through said through holes to engage with said latch.

10. The tract rf probe of claim 8, wherein the tract rf probe further comprises:

the heat conducting piece is arranged between the PCBA board and the first electrode; and

11. The channel rf probe of any one of claims 1 to 6, further comprising a handle, wherein the probe body is connected to the handle, wherein the handle has a first axis along its length, wherein the probe body has a second axis along its length, and wherein the first axis and the second axis form an angle of 120 ° to 170 °.

12. The channel radio frequency probe of claim 11, wherein the probe body and the handle are each integrally formed.

13. A radio frequency treatment apparatus, comprising:

the channel radio frequency probe of any one of claims 1-12, electrically connected to the host; and