阅读说明：本技术 一种多腔自动识别微波测温治疗导管 (Multi-cavity automatic identification microwave temperature measurement treatment catheter ) 是由 张芮 于 2019-03-15 设计创作，主要内容包括：本发明公开了一种多腔自动识别微波测温治疗导管,包括依次连接的微波辐射头、多腔导管、手柄,多腔导管包括并列设置的出水腔、光纤腔、测温腔和进水腔,出水腔、光纤腔、测温腔和进水腔之间设置有隔梁,出水腔内设置有电缆,光纤腔内设置有光纤,测温腔内设置有第一温度传感器,手柄内设置有识别芯片,手柄内还设置有冷却水箱,进水腔和出水腔均与冷却水箱连通,冷却水箱上设置有高频接头,电缆穿过冷却水箱与高频接头连接。本发明的管体为多腔导管,将电缆、光纤、第一温度传感器设置在多腔导管中,多腔导管在制作工艺上简单,且质量可控,腔道之间的隔梁在管体中形成很好的支撑,具有很好的韧性和刚性,保证多腔导管在人体内进退流畅。(The invention discloses a multi-cavity automatic identification microwave temperature measurement treatment catheter which comprises a microwave radiation head, a multi-cavity catheter and a handle, wherein the multi-cavity catheter is sequentially connected with the microwave radiation head, the multi-cavity catheter and the handle, the multi-cavity catheter comprises a water outlet cavity, an optical fiber cavity, a temperature measurement cavity and a water inlet cavity which are arranged in parallel, a partition beam is arranged among the water outlet cavity, the optical fiber cavity, the temperature measurement cavity and the water inlet cavity, a cable is arranged in the water outlet cavity, an optical fiber is arranged in the optical fiber cavity, a first temperature sensor is arranged in the temperature measurement cavity, an identification chip is arranged in the handle, a cooling water tank is also arranged in the handle, the water inlet cavity and the water. The tube body is a multi-cavity tube, the cable, the optical fiber and the first temperature sensor are arranged in the multi-cavity tube, the multi-cavity tube is simple in manufacturing process and controllable in quality, partition beams between cavities and channels form good support in the tube body, and the multi-cavity tube has good toughness and rigidity and can be guaranteed to smoothly advance and retreat in a human body.)

1. A multi-cavity automatic identification microwave temperature measurement treatment catheter is characterized in that: including microwave radiation head, multicavity pipe, the handle that connects gradually, multicavity pipe is including the play water cavity, optic fibre chamber, temperature measurement chamber and the intake antrum that set up side by side, go out the water cavity optic fibre chamber survey the temperature chamber with be provided with the spacer beam between the intake antrum, it is provided with the cable to go out the intracavity, the optic fibre intracavity is provided with optic fibre, the temperature measurement intracavity is provided with first temperature sensor, be provided with identification chip in the handle, still be provided with coolant tank in the handle, the intake antrum with go out the water cavity all with coolant tank intercommunication, the last high frequency that is provided with of coolant tank connects, the cable passes coolant tank with high frequency articulate.

2. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: the microwave radiation head comprises an electrode tip, the electrode tip is located at the front end of the microwave radiation head and connected with the cable, a radiation window is arranged at the rear end of the electrode tip, a copper sleeve is arranged at the rear end of the radiation window and connected with the multi-cavity conduit in a hot melting mode, the electrode tip is in a cylindrical shape with a hemisphere shape, the length of the electrode tip is 5-6mm, the length of the radiation window is 1-3mm, and the radiation window is made of an insulating material.

3. A multi-lumen automatic identification microwave thermometry catheter according to claim 2, wherein: an opening of 0.5-1.5mm is arranged on the partition beam at the position of the multi-cavity catheter 2mm away from the copper bush, and the water outlet cavity is communicated with the water inlet cavity through the opening.

4. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: the first temperature sensor is an NTC type temperature sensor and comprises a temperature measuring probe and a metal shielding case, and the temperature measuring probe is arranged in the metal shielding case.

5. The multi-lumen automatic identification microwave thermometry catheter of claim 4, wherein: the cooling water tank is provided with a laser connector, the cooling water tank is provided with a handle rear cover, the handle rear cover is provided with a temperature measuring contact pin, the temperature measuring contact pin is connected with the temperature measuring probe of the first temperature sensor through a three-core shielding wire, and the optical fiber penetrates through the cooling water tank and is connected with the laser connector.

6. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: the multi-cavity catheter is made of medical polytetrafluoroethylene or polyamide; the surface of the multi-cavity catheter is provided with scales.

7. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: the cable is a coaxial semi-steel cable, and an outer conductor of the cable is made of copper-clad steel.

8. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: the first temperature sensor protrudes from a surface of the multi-lumen catheter.

9. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: and the cooling water tank is also provided with an external water inlet pipe and an external water outlet pipe.

10. A multi-lumen automatic identification microwave thermometry catheter according to claim 1, wherein: the bottom of the cooling water tank is provided with a groove, and a second temperature sensor is arranged in the groove.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a multi-cavity automatic identification microwave temperature measurement treatment catheter.

Background

Varicose vein disease of lower limbs, also known as chronic insufficiency of lower limbs, is a common frequently encountered disease in human beings. In recent years, with the development and innovation of medical technology, the traditional open surgery of lower limb varicose veins is gradually replaced by minimally invasive surgery, and the minimally invasive thermocoagulation surgery is emerging continuously in recent years for treating the lower limb varicose veins, wherein the minimally invasive thermocoagulation surgery comprises radio frequency and laser, and still has the problem that the surgery is complex, the equipment is expensive and the popularization is not suitable. The microwave intracavitary thermosetting operation for treating varicose vein of lower limb is gradually promoted in clinic, and the microwave thermosetting radiator, the antenna and the catheter which are used in clinic at present all belong to the trial stage and have certain problems. For example, in the prior art, all materials are in a cavity, and the cavity is supported by two steel wires, so that the supporting effect is poor, and the tube wall is easily punctured.

Disclosure of Invention

The invention aims to provide a multi-cavity automatic identification microwave temperature measurement treatment catheter, which solves the problems in the prior art, has a good supporting effect and can smoothly enter and exit a human body.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a multi-cavity automatic identification microwave temperature measurement treatment catheter which comprises a microwave radiation head, a multi-cavity catheter and a handle, wherein the multi-cavity catheter is sequentially connected with the microwave radiation head, the multi-cavity catheter and the handle, the multi-cavity catheter comprises a water outlet cavity, an optical fiber cavity, a temperature measurement cavity and a water inlet cavity which are arranged in parallel, partition beams are arranged among the water outlet cavity, the optical fiber cavity, the temperature measurement cavity and the water inlet cavity, a cable is arranged in the water outlet cavity, optical fibers are arranged in the optical fiber cavity, a first temperature sensor is arranged in the temperature measurement cavity, an identification chip is arranged in the handle, a cooling water tank is also arranged in the handle, the water inlet cavity and the water outlet cavity are communicated with the cooling water tank, a high-frequency joint is arranged on the.

Preferably, the microwave radiation head comprises an electrode tip, the electrode tip is located at the front end of the microwave radiation head and connected with the cable, a radiation window is arranged at the rear end of the electrode tip, a copper sleeve is arranged at the rear end of the radiation window and connected with the multi-cavity conduit in a hot melting mode, the electrode tip is in a cylindrical shape with a hemispherical shape, the length of the electrode tip is 5-6mm, the length of the radiation window is 1-3mm, and the radiation window is made of insulating materials.

Preferably, an opening of 0.5-1.5mm is arranged on the partition beam at a position 2mm away from the copper bush of the multi-cavity catheter, and the water outlet cavity is communicated with the water inlet cavity through the opening.

Preferably, the first temperature sensor is an NTC type temperature sensor, the first temperature sensor includes a temperature measuring probe and a metal shielding case, and the temperature measuring probe is disposed in the metal shielding case.

Preferably, the cooling water tank is provided with a laser connector, the cooling water tank is provided with a handle rear cover, the handle rear cover is provided with a temperature measuring contact pin, the temperature measuring contact pin is connected with the temperature measuring probe of the first temperature sensor through a three-core shielding wire, and the optical fiber penetrates through the cooling water tank and is connected with the laser connector.

Preferably, the multi-cavity catheter is made of medical polytetrafluoroethylene or polyamide; the surface of the multi-cavity catheter is provided with scales.

Preferably, the cable is a coaxial semi-steel cable, and an outer conductor of the cable is made of copper-clad steel.

Preferably, the first temperature sensor protrudes from a surface of the multi-lumen catheter.

Preferably, the cooling water tank is further provided with an external water inlet pipe and an external water outlet pipe.

Preferably, a groove is formed in the bottom of the cooling water tank, and a second temperature sensor is arranged in the groove.

Compared with the prior art, the invention has the following technical effects:

the multi-cavity catheter for automatically identifying the microwave treatment catheter is a multi-cavity catheter, the cable, the optical fiber, the first temperature sensor, the water inlet cavity and the water outlet cavity are arranged in the multi-cavity catheter, the multi-cavity catheter is simple in manufacturing process and controllable in quality, partition beams between cavities and channels form good support in the catheter, and the multi-cavity catheter has good toughness and rigidity and can be guaranteed to smoothly advance and retreat in a human body.

Drawings

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

FIG. 1 is a schematic view of a multi-lumen automatic identification microwave thermometry catheter of the present invention;

FIG. 2 is a schematic view of the handle of the present invention;

FIG. 3 is a schematic view of a microwave radiation head according to the present invention;

FIG. 4 is a schematic cross-sectional view of a multi-lumen catheter of the present invention;

FIG. 5 is a schematic view of a water tank of the present invention;

wherein: 1-microwave radiation head, 2-multi-cavity catheter, 3-handle, 4-water outlet cavity, 5-optical fiber cavity, 6-temperature measuring cavity, 7-water inlet cavity, 8-cable, 9-optical fiber, 10-first temperature sensor, 11-identification chip, 12-cooling water tank, 13-high frequency joint, 14-electrode tip, 15-radiation window, 16-copper sleeve, 17-second temperature sensor, 18-temperature measuring contact pin, 19-laser connector, 20-external water inlet pipe, 21-external water outlet pipe, 22-partition beam and 23-handle rear cover.

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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

The invention aims to provide a multi-cavity automatic identification microwave temperature measurement treatment catheter, which solves the problems in the prior art, has a good supporting effect and can smoothly enter and exit a human body.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 1-5: the embodiment provides a multi-cavity automatic identification microwave temperature measurement treatment catheter, including microwave radiation head 1, multi-cavity catheter 2, the handle 3 that connects gradually, multi-cavity catheter 2 adopts medical polytetrafluoroethylene or polyamide to make, and the moist type in surface is good, and has certain pliability, and multi-cavity catheter 2's surface still is provided with the scale. The multi-cavity catheter 2 comprises a water outlet cavity 4, an optical fiber cavity 5, a temperature measuring cavity 6 and a water inlet cavity 7 which are arranged in parallel, a separation beam 22 is arranged between the water outlet cavity 4, the optical fiber cavity 5, the temperature measuring cavity 6 and the water inlet cavity 7, in the embodiment, the water outlet cavity 4 is located in the middle, the optical fiber cavity 5, the temperature measuring cavity 6 and the water inlet cavity 7 are arranged around the water outlet cavity 4 in an equilateral triangle mode, four cavities are independent, the manufacturing is simple, the quality is controllable, and the consistency is high. A cable 8 is arranged in the water outlet cavity 4, the cable 8 is a coaxial semisteel cable, and an outer conductor of the cable 8 is made of copper-clad steel, so that a certain supporting effect is achieved in the multi-cavity catheter 2; an optical fiber 9 is arranged in the optical fiber cavity 5, and the light plays a role of cursor indication in the embodiment; the first temperature sensor 10 is arranged in the temperature measuring cavity 6, the first temperature sensor 10 protrudes out of the surface of the multi-cavity catheter 2, the temperature of a treatment area is monitored in real time, the first temperature sensor 10 is not affected by cooling water, and temperature measurement is more accurate.

In this embodiment, the first temperature sensor 10 is an NTC type temperature sensor, the first temperature sensor 10 includes a temperature measuring probe and a metal shielding case, and the temperature measuring probe is disposed in the metal shielding case to prevent interference of microwave energy to the temperature measuring probe, so as to ensure that the first temperature sensor 10 maintains accuracy of temperature measurement in a microwave radiation field.

In this embodiment, the first temperature sensor 10 employs a three-wire temperature measurement circuit, a high-precision analog-to-digital conversion circuit, and a software filtering algorithm, so as to ensure that the temperature measurement process is not interfered by microwaves, and to monitor the temperature of the treatment area in real time.

In this embodiment, the microwave radiation head 1 includes an electrode tip 14, the electrode tip 14 is located at the front end of the microwave radiation head 1, the electrode tip 14 is connected to the cable 8, a radiation window 15 is disposed at the rear end of the electrode tip 14, a copper sleeve 16 is disposed at the rear end of the radiation window 15, the copper sleeve 16 is connected to the multi-cavity catheter 2 in a hot melting manner, the multi-cavity catheter 2 and the copper sleeve 16 are integrated into a whole, the appearance is beautiful, the sealing performance is good, blood does not enter the multi-cavity catheter 2 during treatment, cooling water in the multi-cavity catheter 2 does not permeate into tissues, the electrode tip 14 is cylindrical with a hemispherical shape, the length of the electrode tip 14 is 5-6mm, preferably 5.5mm, the length of the radiation window 15 is 1-3mm, preferably 2mm, and the radiation window 15. The partition beam 22 at the position of the multi-cavity conduit 2 and the copper sleeve 16 which are 2mm away is provided with an opening of 0.5-1.5mm, the opening is preferably 1mm, and the water outlet cavity 4 is communicated with the water inlet cavity 7 through the opening.

In this embodiment, still be provided with coolant tank 12 in the handle 3, intake antrum 7 and play water cavity 4 all communicate with coolant tank 12, and cooling water gets into coolant tank 12 through external inlet tube 20, then gets into through intake antrum 7, gets into out water cavity 4 by the opening, flows back to coolant tank 12, flows back to outside water source through external outlet pipe 21, realizes the circulation of cooling water from this, effectively reduces the temperature of multicavity pipe 2, avoids causing the scald to normal tissue. The cooling water tank 12 is provided with a high-frequency connector 13, and the cable 8 passes through the cooling water tank 12 and is connected with the high-frequency connector 13. The electrode head 14, the cable 8 and the high-frequency connector 13 form a microwave transmission channel. The cooling water tank 12 can solve the problem that the high-frequency joint 13 burns hands of an operator carelessly due to overhigh temperature caused by high power and long-time use. The bottom of the cooling water tank 12 is provided with a groove, and a second temperature sensor 17 is arranged in the groove to monitor the temperature of the cooling water. The second temperature sensor 17 can break down, break off at the cooling water, and when cooling water tank 12 temperature rose, the temperature data that second temperature sensor 17 detected the collection through temperature measurement circuit exceeded the settlement temperature, cut off microwave output within two seconds, avoided high temperature to cause the scald to normal tissue, guaranteed treatment process's safety.

In this embodiment, the cooling water tank 12 is provided with the laser connector 19, the cooling water tank 12 is provided with the handle rear cover 23, the handle rear cover 23 is provided with the temperature measurement pin 18, the temperature measurement pin 18 is connected with the temperature measurement probe of the first temperature sensor 10 through the three-core shielding line, the optical fiber 9 penetrates through the cooling water tank 12 to be connected with the laser connector 19, and the laser spectrum emitted by the laser connector 19 is red light. The other end of the cooling water tank 12 is provided with an external water inlet pipe 20 and an external water outlet pipe 21, which are respectively connected with an external water source.

In the embodiment, the identification chip 11 is arranged in the handle 3, the identification chip 11 automatically fails after one service life, the identification chip 11 is controlled and identified by the host MCU control unit, the identification chip 11 needs to be brushed on the host firstly during clinical use, the host screen displays OK to start other functions and microwaves, otherwise, the host function key is locked and cannot be opened, so that the multi-cavity automatic identification microwave treatment catheter of the embodiment is ensured to be used for one time in treatment, and cross infection caused by repeated use is avoided.

When the multi-cavity automatic identification microwave treatment catheter is used, the microwave source in the main machine transmits microwave energy to the multi-cavity automatic identification microwave treatment catheter through the microwave connecting cable 8, the electrode tip 14 radiates the received microwave energy to a diseased blood vessel through the radiation window 15, and the thermosetting treatment is completed under the real-time monitoring of the first temperature sensor 10, so that the blood vessel is closed, and the treatment purpose is achieved.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.