CN113289210A - Prostate treatment device - Google Patents

Abstract

Translated fromChinese

本发明提供一种前列腺治疗装置，能够有效控制前列腺炎症。为实现前述目的的前列腺治疗装置包括前列腺导管组件以及直肠导管组件。前列腺导管组件包括管体、球囊组件、药液孔、感温单元以及电极板。管体具有进液口以及第一插头，球囊组件包括定位球囊以及封闭球囊。药液孔开设于定位球囊与封闭球囊之间的管壁上，与进液口相连通。感温单元以及电极板设置于定位球囊与封闭球囊之间。直肠导管组件的两端分别设置有电极管以及第二插头，电极管与第二插头之间电性连接。其中，感温单元以及电极板分别与第一插头电性连接，电极板开放侧平面的表面积小于电极管外周侧环面的表面积。

The invention provides a prostate treatment device, which can effectively control prostate inflammation. Prostate treatment devices for the aforementioned purposes include a prostate catheter assembly and a rectal catheter assembly. The prostate catheter assembly includes a tube body, a balloon assembly, a liquid medicine hole, a temperature sensing unit and an electrode plate. The tube body has a liquid inlet and a first plug, and the balloon assembly includes a positioning balloon and a closing balloon. The liquid medicine hole is opened on the tube wall between the positioning balloon and the sealing balloon, and is communicated with the liquid inlet. The temperature sensing unit and the electrode plate are arranged between the positioning balloon and the sealing balloon. Two ends of the rectal catheter assembly are respectively provided with an electrode tube and a second plug, and the electrode tube and the second plug are electrically connected. The temperature sensing unit and the electrode plate are respectively electrically connected to the first plug, and the surface area of the open side plane of the electrode plate is smaller than the surface area of the annular surface on the outer peripheral side of the electrode tube.

Description

Prostate treatment device

Technical Field

The invention relates to the field of medical instruments, in particular to a prostate treatment device.

Background

At present, the medical apparatus for treating male prostatic hyperplasia and prostatitis generally adopts the methods of intracavity thermotherapy, intracavity electrode and body surface electrode combined physiotherapy, rectal ultrasonic heating, magnetic therapy and the like. The intracavity thermotherapy is to insert a thermotherapy catheter for therapy into the urethra to the bladder of a patient, position the thermotherapy balloon at the prostate part, inject quantitative normal saline into the heating balloon, and heat the normal saline through a radio frequency circuit in the balloon to heat the balloon, so as to achieve the purpose of thermotherapy of the affected part. Another existing therapeutic method is to combine the intracavity electrode with the body surface electrode to generate an electric current field to generate heat in the body, so as to achieve the purpose of thermal therapy.

However, the inventor finds that the existing physiotherapy methods such as thermal therapy, ultrasonic thermotherapy, magnetic therapy and the like can be used for either thermotherapy by heating the prostate part through the urethra or thermotherapy by heating the rectum, or can be used for improving the prostatic hyperplasia and the prostatitis by generating a heat and current field through the rectum to relieve the symptoms of the patient. However, the existing thermal therapy methods have limited effects for the purpose of treating and improving prostatic hyperplasia and prostatitis, and it is urgently needed to provide a prostate therapeutic device capable of effectively controlling prostatitis, thereby alleviating and eliminating symptoms and pain of prostate of patients.

Disclosure of Invention

It is an object of the present invention to provide a prostate treatment device that can effectively control prostatic inflammation.

To achieve the foregoing object, a prostate treatment device includes:

a prostate catheter assembly, comprising:

the catheter comprises a catheter body and a catheter, wherein the catheter body is provided with a first end and a second end, the first end can be inserted into a urethra, the second end is provided with a liquid inlet and a first plug, and liquid can be infused towards the first end through the liquid inlet;

the balloon component is arranged at the first end and comprises a positioning balloon and a closed balloon, and the positioning balloon and the closed balloon are respectively communicated with the liquid inlet;

the liquid medicine hole is formed in the pipe wall between the positioning saccule and the closed saccule and communicated with the liquid inlet;

the temperature sensing unit is arranged between the positioning balloon and the closed balloon; and

the electrode plate is arranged on the periphery of the tube body between the positioning saccule and the closed saccule;

the two ends of the rectal catheter assembly are respectively provided with an electrode tube and a second plug, and the electrode tube is electrically connected with the second plug;

the temperature sensing unit and the electrode plate are respectively electrically connected with the first plug, and the surface area of the open side plane of the electrode plate is smaller than that of the outer peripheral side ring surface of the electrode tube.

In one or more embodiments, the electrode plate is a spring electrode plate.

In one or more embodiments, the liquid inlet includes a drug injection port and a liquid injection port, a balloon cavity channel and a liquid drug cavity channel are opened inside the tube body, the balloon assembly is communicated with the liquid injection port through the balloon cavity channel, and the liquid drug hole is communicated with the drug injection port through the liquid drug cavity channel.

In one or more embodiments, a wiring inner cavity is further formed inside the tube, and the temperature sensing unit and the electrode plate are electrically connected to the first plug through a lead wire arranged in the wiring inner cavity.

In one or more embodiments, the electrode plate is embedded in the surface of the tube, and a wire hole for allowing a wire to pass through is formed in the tube below the electrode plate;

wherein, the wire twine in behind the body periphery with electrode plate electric connection the wire with electrode plate looks junction is wrapped up by silica gel.

In one or more embodiments, the drug injection port and the liquid injection port are provided with one-way valves.

In one or more embodiments, the first end further defines a urinary catheter port, the urinary catheter port being closer to a distal end of the first end relative to the balloon assembly;

the second end is provided with a urine outlet, a central cavity is formed in the tube body, and the urine guide port is communicated with the urine outlet through the central cavity.

In one or more embodiments, the liquid medicine hole is a pair opened on both sides of the electrode plate.

In one or more embodiments, an end of the first end is configured as a guide.

In one or more embodiments, the electrode tube is connected with the second plug through a lead, and the electrode tube comprises an electrode tube body, a first fixing piece and a second fixing piece;

the wire twines in behind the first mounting periphery, in one side with the electrode tube body cup joints and is connected, the second fixing piece divide in the opposite side right the electrode tube body is fixed.

The advanced effects of the invention include one or a combination of the following:

1) by arranging the prostate catheter assembly and the rectal catheter assembly, the liquid medicine, the treatment temperature and the radio frequency electromagnetic field act on the affected part of the prostate together, so that the blood circulation of the prostate and surrounding tissues thereof is accelerated, and the metabolism of germs and focus tissues is promoted and discharged out of the body.

2) The surface area of the electrode plate of the prostatic catheter assembly is set to be smaller than the surface area of the electrode tube body in the rectal catheter assembly, so that the electromagnetic field is concentrated at the electrode plate of the prostatic electrode tube, and the radial area near the electrode plate of the prostatic catheter assembly can generate heat by the electric-heat conversion of the radio frequency electromagnetic field, thereby achieving the treatment purpose for prostatic hyperplasia and prostatitis.

Drawings

The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings, in which:

figure 1 shows a schematic view of one embodiment of the present prostate treatment device;

FIG. 2 is an enlarged partial view of a first end of a tubular body according to one embodiment;

FIG. 3 illustrates a schematic front view of an electrode plate, according to an embodiment;

FIG. 4 is a schematic diagram showing the RF electromagnetic field around the electrode plate during treatment;

FIG. 5 is an enlarged partial view of the second end of the tube according to one embodiment;

FIG. 6 shows a schematic cross-sectional view in the direction A-A of FIG. 1;

fig. 7 shows a schematic diagram of the relative positions of the electrode plate and the electrode tube during treatment.

Detailed Description

The following discloses many different embodiments or examples for implementing the subject technology described. Specific examples of components and arrangements are described below to simplify the present disclosure, but these are merely examples and are not intended to limit the scope of the present disclosure. Additionally, reference numerals and/or letters may be repeated among the various examples throughout this disclosure. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

Also, the present application uses specific words to describe embodiments of the application, such as "one embodiment," "an embodiment," and/or "some embodiments" to mean that a particular feature, structure, or characteristic described in connection with at least one embodiment of the application. Therefore, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, some features, structures, or characteristics of one or more embodiments of the present application may be combined as appropriate. In addition, the terms "first", "second", and the like are used to define the components, and are used only for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present application is not to be construed as being limited.

It should be noted that, where used, the upper, lower, top, and bottom in the following description are used for convenience only and do not imply any particular fixed orientation. In fact, they are used to reflect the relative position and/or orientation between the various parts of the object.

It is noted that these and other figures which follow are merely exemplary and not drawn to scale and should not be considered as limiting the scope of the invention as it is actually claimed. Further, the conversion methods in the different embodiments may be appropriately combined.

In order to provide a treatment apparatus capable of effectively controlling prostatitis, a prostate treatment device is provided, and fig. 1 shows a schematic view of an embodiment of the prostate treatment device.

The prostate treatment device includes aprostate catheter assembly 1 and arectal catheter assembly 2.

Theprostatic catheter assembly 1 includes atube 10, aballoon assembly 11, aliquid medicine hole 12, atemperature sensing unit 13, and anelectrode plate 14.

Thetube body 10 has afirst end 101 and asecond end 102, thefirst end 101 being insertable into a urethra during treatment, thesecond end 102 having aninlet port 103 and afirst plug 104, wherein a liquid can be delivered through theinlet port 103 towards thefirst end 101 of thetube body 10. The specific structure of the liquid feeding toward thefirst end 101 through theliquid inlet 103 will be described in detail later, and will not be described in detail herein.

As shown in fig. 2, which is a partial enlarged schematic view of the first end of the tube, referring to fig. 1 and 2 in combination, theballoon assembly 11 is disposed at thefirst end 101 of thetube 10, and has apositioning balloon 111 and asealing balloon 112, thepositioning balloon 111 and thesealing balloon 112 are respectively communicated with theliquid inlet 103, so that when liquid is delivered from thesecond end 102 toward thefirst end 101, thepositioning balloon 111 and thesealing balloon 112 are respectively inflated, and the inflatedpositioning balloon 111 can be located at the bladder and the urethral orifice of the patient, as shown in fig. 2, for positioning. The inflatedocclusion balloon 112 can be placed against the inner wall of the prostatic posterior end of the patient's urethra to occlude the patient's urethra 9.

Theliquid medicine hole 12 is opened on the tube wall between thepositioning balloon 111 and thesealing balloon 112 and is communicated with theliquid inlet 103, so that the liquid medicine can be delivered from thesecond end 102 to theliquid medicine hole 12, and theliquid medicine 8 can be filled in the urethra 9 of the patient at the section closed by thepositioning balloon 111 and thesealing balloon 112.

Thetemperature sensing unit 13 is disposed between the positioningballoon 111 and the sealingballoon 112, and is used for measuring the temperature of the affected part of the prostate to achieve accurate temperature control.

Theelectrode plate 14 is disposed on the outer periphery of thetube 10 between the positioningballoon 111 and the sealingballoon 112. In one embodiment, theelectrode plate 14 is a spring electrode plate, and after the electrode plate is connected to thetubular body 10, the surface of the open side of the spring electrode plate is a flat surface, and the spring electrode plate has a certain flexibility, so that when theprostate catheter assembly 1 is inserted into the urethra of a patient, the spring electrode plate can be bent forward to facilitate the insertion process. Theelectrode plate 14 as described in one or more embodiments herein is a spring electrode plate, but in other embodiments, theelectrode plate 14 can be an electrode plate having other configurations with some flexibility.

The two ends of therectal catheter assembly 2 are respectively provided with anelectrode tube 21 and asecond plug 22, and theelectrode tube 21 is electrically connected with thesecond plug 22, so that the prostate therapeutic apparatus is electrically connected with theelectrode tube 21 through thesecond plug 22.

Thetemperature sensing unit 13 and theelectrode plate 14 are electrically connected to thefirst plug 104, respectively, so that the prostate therapeutic apparatus can be electrically connected to thetemperature sensing unit 13 and theelectrode plate 14 through thefirst plug 104.

Fig. 3 shows a schematic front view of the electrode plate, wherein theelectrode plate 14 has an open side, which is the other side of theelectrode plate 14 contacting thetube 10. The open side of theelectrode plate 14 is planar and has a surface area. Meanwhile, theelectrode tube 21 has an outer circumferential surface having a surface area. Wherein the surface area of theelectrode plate 14 is configured to be smaller than the surface area of theelectrode tube 21.

When the prostate treatment device is used for treatment, thefirst plug 104 and thesecond plug 22 are respectively inserted into the prostate treatment instrument, after the prostate treatment instrument is powered on, a radio frequency electromagnetic field is established between theelectrode plate 14 in theprostate catheter assembly 1 inserted into the prostate of a patient and theelectrode tube 21 inserted into therectal catheter assembly 2, and the radio frequency electromagnetic field is mainly concentrated on the spring electrode plate of the prostate electrode tube because the area of theelectrode plate 14 of theprostate catheter assembly 1 is smaller than that of theelectrode tube 21 of therectal catheter assembly 1. Meanwhile, since theelectrode plate 14 is a plate-shaped member, the rf electromagnetic field is elliptically wound around the periphery of theelectrode plate 14, as shown in fig. 4, so that the focal region of the prostate is heated (about 41-45 ℃). Under the action of radio frequency electromagnetic field, the blood circulation of prostate and surrounding tissues is accelerated, and the metabolism of bacteria and focus tissues is promoted and discharged out of body. The injection enters into pathological tissues to kill various pathogenic bacteria and other microorganisms and discharge the microorganisms out of the body, so that the prostatic hyperplasia part is gradually shrunk, the symptoms of prostatic hyperplasia and prostatitis of a patient are relieved and eliminated, and the patient urinates smoothly.

While one embodiment of the present prostate treatment device is described above, in other embodiments of the present prostate treatment device, the present prostate treatment device may have more details than the embodiments described above in many respects, and at least some of these details may vary widely. At least some of these details and variations are described below in several embodiments.

Fig. 5 is a partially enlarged view of the second end of the tubular body in one embodiment, and fig. 6 is a cross-sectional view in the direction a-a of fig. 1. Referring to fig. 1 and 5 to 6 in combination, in an embodiment of the prostate treatment device, thefluid inlet 103 includes adrug injection port 105 and afluid injection port 106, aballoon channel 107 and adrug solution channel 108 are opened inside thetube 10, and thepositioning balloon 111 and the sealingballoon 112 in theballoon assembly 11 are respectively communicated with thefluid injection port 106 through theballoon channel 107, so that the saline is delivered towards the positioningballoon 111 and the sealingballoon 112 through thesecond end 102 of thetube 10 to inflate the same. Theliquid medicine hole 12 communicates with themedicine injection port 105 through aliquid medicine channel 108, so that liquid medicine is injected through theliquid medicine channel 108 by means of a syringe or the like, flows through theliquid medicine channel 108, and then flows out from theliquid medicine hole 12 to the prostate region of the patient sealed by thepositioning balloon 111 and the sealingballoon 112.

The balloon and the drug solution port as shown in fig. 5 are connected by a single conduit having multiple internal lumens, which in other embodiments may communicate by other suitable means than those shown, such as in one embodiment by multiple conduits contained within the same conduit.

Further, in one embodiment of the prostate treatment device, thetube 10 further has awiring cavity 109 formed therein, and thetemperature sensing unit 13 and theelectrode plate 14 are electrically connected to thefirst plug 104 through a lead wire arranged in thewiring cavity 109. Specifically, as shown in the figure, the leads disposed in thewiring cavity 109 include thermocouple leads 301 and rf leads 302, thetemperature sensing unit 13 is electrically connected to thefirst plug 104 through the two thermocouple leads 301, and theelectrode plate 14 is electrically connected to thefirst plug 104 through the rf leads 302.

Further, in one embodiment of the prostate treatment device, theelectrode plate 14 is embedded in the surface of thetubular body 10 as shown in the figure, and the opposite surface of thetubular body 10 is the open side of theelectrode plate 14 as described above. In the parts not shown in the figures, a wire guide hole for allowing a wire to pass through is formed in thetube body 10 below theelectrode plate 14, and the wire passes through the wire guide hole, is wound around the outer peripheral side wall of thetube body 10, and is electrically connected to theelectrode plate 14. Meanwhile, the joint of the lead and theelectrode plate 14 is wrapped by silica gel to prevent water seepage during the treatment process.

In one embodiment of the prostate treatment apparatus, thetemperature sensing unit 13 is a thermocouple temperature sensing probe including athermocouple wire 301 and a thermocouple junction formed at an end of thethermocouple wire 301, the thermocouple junction being a temperature sensing portion of the thermocouple temperature sensing probe. In the parts not shown in the drawings, a wire hole for allowing athermocouple wire 301 to pass through is formed in thetube body 10 below the thermocouple temperature sensing probe, the end of thethermocouple wire 301 exposed after passing through the wire hole is a thermocouple junction, and thethermocouple wire 301 and the thermocouple junction are wrapped by silica gel to prevent water from leaking during the treatment process. In other embodiments, thetemperature sensing unit 13 can be other suitable micro temperature measuring elements.

In one embodiment of the prostate treatment device, thetemperature sensing unit 13 is disposed on the outside of thetube 10, below theelectrode plate 14.

In one embodiment of the prostate treatment device, the one-way valves 15 are provided at thedrug injection port 105 and theliquid injection port 106, respectively, and the one-way valves 15 are provided to prevent a back flow phenomenon during the infusion process. In one specific embodiment, one-way valve 15 is a 10ml one-way valve, andpositioning balloon 111 and closingballoon 112 are infused with 10ml of saline through the 10ml one-way valve.

In one embodiment of the prostate treatment device, thefirst end 101 of thetube 10 is further opened with aurethral orifice 16, and theurethral orifice 16 is positioned closer to the end of thefirst end 101 than theballoon assembly 11, so that thepositioning balloon 111 can be positioned to extend into the bladder of the patient for urethral catheterization. Thesecond end 102 of thetube body 10 is opened with aurine outlet 17, thetube body 10 is opened with acentral channel 100 therein, and theurine inlet 16 is communicated with theurine outlet 17 through thecentral channel 100, so as to receive the urine of the patient flowing in from theurine inlet 16. Meanwhile, the excess liquid after injection by thepositioning balloon 111 and the closingballoon 112 can be led out through theurination port 17.

In one embodiment of the prostate treatment device, the liquid medicine holes 12 are a pair provided on both sides of theelectrode plate 14 as shown in fig. 2, and the injection of the liquid medicine can be made more uniform by providing a pair of liquid medicine holes 12.

In one embodiment of the present prostate treatment device, the end of thefirst end 101 is configured as aguide head 18, theguide head 18 being configured with an arcuate outer edge to facilitate insertion into the urethra of a patient.

In one embodiment of the prostate treatment device, theelectrode tube 21 and thesecond plug 22 are connected by alead 23. Theelectrode tube 21 includes anelectrode tube body 210, a first fixingmember 211, and asecond fixing member 212. When the electrode tube is installed, the wire is wound around the periphery of the first fixingmember 211, theelectrode tube body 210 is sleeved outside the first fixingmember 211, and the second fixingmember 212 fixes theelectrode tube body 210 at the other side. It is understood that the surface area of theelectrode tube 21 as described above is the surface area of the annular surface of the outer circumferential side of theelectrode tube body 210.

Fig. 7 is a schematic diagram showing the relative position between the electrode plate and the electrode tube during treatment, wherein the open side of theelectrode plate 14 is arranged opposite to theelectrode tube 21, and theelectrode plate 14 and theelectrode tube 21 have a distance L therebetween, and the size of L is 1-3 cm.

The prostate treatment device according to one or more of the embodiments described above is connected to the prostate treatment apparatus via thefirst plug 104 and thesecond plug 22. The prostate therapeutic apparatus can heat and control the temperature of thetemperature sensing unit 13.

In one embodiment, theelectrode plate 14 has a size of 4mm × 20mm and is a plane, and theelectrode tube body 210 has a size of

And the peripheral surface is a cylindrical surface, so that the surface area of theelectrode tube body 210 is far larger than the area of theelectrode plate 14 of the prostate electrode tube, and the radio frequency electromagnetic field is concentrated at theelectrode plate 14 of the prostate electrode tube during working, and the electrode tube generates heat through electric-thermal conversion, and a certain area on the back of theelectrode plate 14 can also generate heat under the action of the radio frequency electromagnetic field, so that the electric-thermal conversion of the radio frequency electromagnetic field on the area with the radius of about 3cm of theelectrode plate 14 of the prostate catheter assembly is realized, and the treatment purpose for prostatic hyperplasia and prostatitis is achieved.

The treatment process using the prostate treatment device according to one or more of the embodiments described above is as follows:

firstly, during treatment, aguide head 18 of theprostate catheter assembly 1 is inserted from the urethra of a patient until apositioning balloon 111 completely reaches the bladder, physiological saline is injected into thepositioning balloon 111 and a sealingballoon 112 to enable thepositioning balloon 111 to be inflated, then the catheter is pulled outwards until thepositioning balloon 111 is positioned at the bladder opening, at the moment, anelectrode plate 14 is positioned at the affected part of the urethra and the prostate of the patient, the internal pressure of the balloon is increased after thepositioning balloon 111 is inflated, the surface of the balloon is slowly inflated after the physiological saline is injected into the sealingballoon 112, and the urethra of the patient is sealed after the balloon is tightly attached to the rear end of the affected part of the prostate; in addition, therectal catheter assembly 2 is inserted from the anus of the patient to access the rectum.

At this time, thefirst plug 104 and thesecond plug 22 are both connected to the prostate therapeutic apparatus, and the medical liquid flows out from the medical liquid holes 12 on both sides of theelectrode plate 14 into the sealed urethra prostate affected area through the medicalliquid channel 108 of thetube body 10 through the medicalliquid injection port 105.

After the power is switched on, a radio frequency electromagnetic field is formed between theelectrode plate 14 in theprostate catheter assembly 1 and theelectrode tube 21 in therectal catheter assembly 2, the affected part of the prostate is heated within the range of 1 cm-3 cm through electric-thermal conversion, and thetemperature sensing unit 13 below theelectrode plate 14 transmits a temperature signal to the prostate therapeutic apparatus, so that the affected part of the prostate is controlled at 41 ℃ -45 ℃ (according to the acceptance degree of a patient).

The liquid medicine, the treatment temperature and the radio frequency electromagnetic field act on the affected part of the prostate together, so that the blood circulation of the prostate and surrounding tissues thereof is accelerated, and the metabolism of germs and focus tissues is promoted and discharged out of the body; the injected medicine enters the pathological tissue to kill various pathogenic bacteria and other microorganisms and is discharged out of the body; gradually atrophy the prostatic hyperplasia part, relieve and eliminate the symptoms of prostatic hyperplasia and prostatitis, and make the patient urinate smoothly.

The advanced effects of the invention include one or a combination of the following:

1) by arranging the prostate catheter assembly and the rectal catheter assembly, the liquid medicine, the treatment temperature and the radio frequency electromagnetic field act on the affected part of the prostate together, so that the blood circulation of the prostate and surrounding tissues thereof is accelerated, and the metabolism of germs and focus tissues is promoted and discharged out of the body.

2) The surface area of the electrode plate of the prostatic catheter assembly is set to be smaller than the surface area of the electrode tube body in the rectal catheter assembly, so that the electromagnetic field is concentrated at the electrode plate of the prostatic electrode tube, and the radial area near the electrode plate of the prostatic catheter assembly can generate heat by the electric-heat conversion of the radio frequency electromagnetic field, thereby achieving the treatment purpose for prostatic hyperplasia and prostatitis.

Although the present invention has been disclosed in terms of the preferred embodiment, it is not intended to limit the invention, and variations and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope defined by the claims of the present invention, unless the technical essence of the present invention departs from the content of the present invention.

Claims (10)

1. A prostate treatment device, comprising:

a prostate catheter assembly, comprising:

the catheter comprises a catheter body and a catheter, wherein the catheter body is provided with a first end and a second end, the first end can be inserted into a urethra, the second end is provided with a liquid inlet and a first plug, and liquid can be infused towards the first end through the liquid inlet;

the balloon component is arranged at the first end and comprises a positioning balloon and a closed balloon, and the positioning balloon and the closed balloon are respectively communicated with the liquid inlet;

the liquid medicine hole is formed in the pipe wall between the positioning saccule and the closed saccule and communicated with the liquid inlet;

the temperature sensing unit is arranged between the positioning balloon and the closed balloon; and

the electrode plate is arranged on the periphery of the tube body between the positioning saccule and the closed saccule;

the two ends of the rectal catheter assembly are respectively provided with an electrode tube and a second plug, and the electrode tube is electrically connected with the second plug;

the temperature sensing unit and the electrode plate are respectively electrically connected with the first plug, and the surface area of the open side plane of the electrode plate is smaller than that of the outer peripheral side ring surface of the electrode tube.

2. The prostate treatment device of claim 1, wherein said electrode plate is a spring electrode plate.

3. The prostate treatment device according to claim 1, wherein said fluid inlet comprises a drug injection port and a fluid injection port, said tube body has a balloon channel and a fluid channel formed therein, said balloon assembly is connected to said fluid injection port through said balloon channel, and said fluid hole is connected to said drug injection port through said fluid channel.

4. The prostate treatment device according to claim 3, wherein a wiring lumen is further defined in the tube, and the temperature sensing unit and the electrode plate are electrically connected to the first plug via a wire disposed in the wiring lumen.

5. The prostate treatment device according to claim 4, wherein said electrode plate is embedded in a surface of said tube, and a wire hole for allowing a wire to pass through is formed in said tube under said electrode plate;

wherein, the wire twine in behind the body periphery with electrode plate electric connection the wire with electrode plate looks junction is wrapped up by silica gel.

6. The prostate treatment device of claim 3, wherein the drug injection port and the fluid injection port are provided with one-way valves.

7. The prostate treatment device of claim 1, wherein said first end further defines a urethral catheterization opening, said urethral catheterization opening being closer to the end of said first end than said balloon assembly;

the second end is provided with a urine outlet, a central cavity is formed in the tube body, and the urine guide port is communicated with the urine outlet through the central cavity.

8. The prostate treatment apparatus of claim 1, wherein said drug solution holes are a pair open on either side of said electrode plate.

9. The prostate treatment device of claim 1, wherein an end of said first end is configured as a guide.

10. The prostate treatment device according to claim 1, wherein said electrode tube is connected to said second plug by a wire, said electrode tube including an electrode tube body, a first fixing member and a second fixing member;

the wire twines in behind the first mounting periphery, in one side with the electrode tube body cup joints and is connected, the second fixing piece divide in the opposite side right the electrode tube body is fixed.

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