CN218899674U - Non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions - Google Patents
Non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions Download PDFInfo
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- CN218899674U CN218899674U CN202320209432.8U CN202320209432U CN218899674U CN 218899674 U CN218899674 U CN 218899674U CN 202320209432 U CN202320209432 U CN 202320209432U CN 218899674 U CN218899674 U CN 218899674U
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- 238000011282 treatment Methods 0.000 title claims abstract description 34
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- 230000007246 mechanism Effects 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims 1
- 210000005077 saccule Anatomy 0.000 abstract description 14
- 238000011298 ablation treatment Methods 0.000 abstract description 6
- 238000007674 radiofrequency ablation Methods 0.000 abstract description 5
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- 210000002249 digestive system Anatomy 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
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Abstract
The utility model discloses a non-invasive balloon electrode for minimally invasive diagnosis and treatment of a lumen lesion, wherein a pressurizing and inflating branch pipe is arranged on the side surface of a handle pipe, a three-way valve is arranged on the pressurizing and inflating branch pipe, a handle ring is arranged on the handle pipe on the opposite side surface of the pressurizing and inflating branch pipe, a memory folding balloon is arranged on the outer side surface of the head end of a connecting outer catheter, a vent hole is arranged on the connecting outer catheter on the inner side of the memory folding balloon, and a flexible ablation electrode is arranged on the outer side surface of the memory folding balloon; the memory folding saccule is combined with the flexible ablation electrode, so that the memory folding saccule has the flexibility and the retractility of the saccule and the ablation treatment characteristic of the electrode, and can perform non-thermal ablation by combining an electric pulse source, thereby effectively protecting a thermally sensitive tissue structure; the combination of the radio frequency ablation energy source can perform radio frequency ablation, and can provide noninvasive treatment consumables for benign and malignant lesions of natural cavities such as digestive tracts, urinary tracts and genital tracts.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a non-invasive balloon electrode for minimally invasive diagnosis and treatment of a lumen lesion.
Background
The human body has various natural cavities such as digestion, urinary, reproduction and the like, and the contact with external factors has more opportunities, so that tumors from the epithelium of the cavities are highly developed, in particular to tumors of the digestive system; due to the narrow and complicated spatial position relationship, the early symptoms of the tumors are hidden, the malignancy is high, and no effective treatment mode exists for the late-stage biliary-pancreatic tumors; besides malignant tumors, benign lumen stenosis, hyperplasia and ulcer also bring treatment difficulties, and in recent years, interventional treatment technologies such as endoscopes bring convenience to intracavity treatment.
The pulse electric field ablation, also called irreversible electroporation technology, is a physical treatment technology which does not depend on thermal effect to kill tumors, can effectively protect tissue structures such as lesion adjacent to normal vascular nerves and the like, and does not cause rupture perforation of lumen structures; the physical therapy modes based on electric energy such as radio frequency ablation and the like are also widely applied in clinic, and a local treatment scheme is provided for patients who cannot be resected, are insensitive to chemotherapy and cannot tolerate operation and the like.
However, most of the existing local ablation therapeutic apparatuses are of needle electrode structures, and the lesion sites are penetrated through percutaneous or open surgery under CT or ultrasonic guidance, so that a plurality of needle electrodes are needed to be matched with each other, and the distribution interval and depth of the needle electrodes directly influence the ablation effect; the needle type design has small contact area with tissues and is an invasive treatment possibly bringing about needle track scattering, and the rigid structure cannot realize noninvasive treatment through the natural cavity of the human body; the formed physical field is uneven, the treatment efficiency is low and the like, and the non-invasive balloon electrode is not suitable for lumen lesions, so the utility model provides a non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions to solve the problems in the prior art.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions, which combines a memory folding balloon with a flexible ablation electrode, so that the non-invasive balloon electrode has the flexibility and the retractility of the balloon and the ablation treatment characteristic of the electrode, and can perform non-thermal ablation by combining an electric pulse source, thereby effectively protecting a thermally sensitive tissue structure; the combination of the radio frequency ablation energy source can perform radio frequency ablation, and can provide noninvasive ablation treatment consumables for benign and malignant lesions of natural cavities such as digestive tracts, urinary tracts and genital tracts.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a non-invasive sacculus electrode for diagnosis and treat of lumen pathological change wicresoft, includes handle mechanism, connects outer pipe and sacculus mechanism, handle mechanism includes handle pipe, pressurization inflation branch pipe, three-way valve and handle ring, handle pipe side slope is equipped with pressurization inflation branch pipe, be equipped with the three-way valve on the pressurization inflation branch pipe, the pressurization is inflated and is fixed on the handle pipe of branch pipe opposite side, the handle pipe is connected with sacculus mechanism through connecting outer pipe, connects outer pipe surface and adopts hydrophilic coating reinforcing sacculus propelling movement, sacculus mechanism includes memory folding sacculus, air vent and flexible ablation electrode, it is equipped with memory folding sacculus to connect outer pipe head end lateral surface, be equipped with the air vent on the connection outer pipe of memory folding sacculus inboard, memory folding sacculus lateral surface is equipped with flexible ablation electrode, plays the treatment.
The further improvement is that: the handle tube and the connecting outer catheter are of multi-cavity structures, and comprise an inner catheter, a guide wire cavity, an air cavity and a guide wire cavity, the inner catheter is concentrically arranged inside the handle tube and the connecting outer catheter, the guide wire cavity is arranged on the inner side of the inner catheter, the air cavity and the guide wire cavity are arranged on the outer portion of the inner catheter in a separation mode, and the handle tube and the multi-cavity cavities of the connecting outer catheter are correspondingly communicated respectively.
The further improvement is that: the air cavity is close to the tail end of the handle pipe and is in a plugging shape with the head end of the connecting outer catheter, the two ends of the inner catheter are in an opening shape, the tail end of the wire cavity is in an opening shape close to the handle pipe and is in a plugging shape with the head end of the connecting outer catheter.
The further improvement is that: the wire cavity is provided with a plurality of groups, the air cavity is communicated with the pressurizing and inflating branch pipe and is communicated with the inside of the memory folding saccule through the vent hole, and the front end of the inner catheter is provided with a tip stylet.
The further improvement is that: the wire cavity is internally provided with a connecting wire, the connecting wire penetrates through the connecting outer catheter to extend out and is electrically connected with the flexible ablation electrode, the flexible ablation electrode is divided into positive and negative electrodes and the positive and negative electrodes are in 6 pairs of rectangular interdigital and cross distribution, 3 pairs, 4 pairs and 5 pairs or more can be further arranged according to the number of electrode plates in specific conditions, an outer protective film is sleeved outside the connecting wire part outside the connecting wire terminal of the flexible ablation electrode and the connecting outer catheter, the outer protective film is made of insulating flexible materials, the safety isolation function is exerted, only the electrode treatment part is exposed, and the connecting wire is connected with an external energy source instrument.
The further improvement is that: the inner side of the memory folding balloon is symmetrically provided with developing rings outside the connecting outer catheter, and the developing rings are symmetrically provided with two groups.
The beneficial effects of the utility model are as follows: the memory folding saccule is combined with the flexible ablation electrode, so that the memory folding saccule has the flexibility and the retractility of the saccule and the ablation treatment characteristic of the electrode, and can perform non-thermal ablation by combining an electric pulse source, thereby effectively protecting a thermally sensitive tissue structure; the ultrasonic ablation device can perform ultrasonic ablation by combining an ultrasonic ablation energy source, can provide noninvasive ablation treatment consumables for benign and malignant lesions of natural cavities such as digestive tracts, urinary tracts and genital tracts, and effectively solves the problems of invasive treatment and low treatment efficiency of the traditional device.
Drawings
Fig. 1 is a cross-sectional view showing the main structure of embodiment 1 of the present utility model.
Fig. 2 is a cross-sectional view of the connecting outer catheter according to embodiment 1 of the present utility model.
Fig. 3 is a schematic diagram of the main structure of embodiment 1 of the present utility model.
Fig. 4 is a plan view of the flexible ablation electrode after the memory folding balloon of embodiment 1 of the utility model is unfolded.
Fig. 5 is a cross-sectional view of the connecting outer tube according to the embodiments 2 and 3 of the present utility model.
Fig. 6 is a cross-sectional view showing the main structure of embodiment 3 of the present utility model.
Wherein: 1. connecting an outer catheter; 2. a handle tube; 3. a pressurized inflation manifold; 4. a three-way valve; 5. a handle ring; 6. memory folding balloon; 7. a vent hole; 8. a flexible ablation electrode; 9. an inner catheter; 10. a guidewire lumen; 11. an air cavity; 12. a wire lumen; 13. a tip stylet; 14. a connecting wire; 15. an outer protective film; 16. an external energy source instrument; 17. a developing ring; 18. a sensor wiring cavity; 19. a guide wire.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
Example 1
According to the figures 1-4, the embodiment provides a non-invasive balloon electrode for minimally invasive diagnosis and treatment of a lumen lesion, which comprises a handle mechanism, a connecting outer catheter 1 and a balloon mechanism, wherein the handle mechanism comprises a handle pipe 2, a pressurizing and inflating branch pipe 3, a three-way valve 4 and a handle ring 5, the side surface of the handle pipe 2 is obliquely provided with the pressurizing and inflating branch pipe 3, the pressurizing and inflating branch pipe 3 is provided with the three-way valve 4, the handle pipe 2 on the opposite side surface of the pressurizing and inflating branch pipe 3 is fixedly provided with the handle ring 5, the handle pipe 2 is connected with the balloon mechanism through the connecting outer catheter 1, the outer surface of the connecting outer catheter is pushed by adopting a hydrophilic coating to strengthen the balloon, the balloon mechanism comprises a memory folding balloon 6, a vent hole 7 and a flexible ablation electrode 8, the outer side surface of the head end of the connecting outer catheter 1 is fixedly provided with the memory folding balloon 6, the connecting outer catheter 1 on the inner side of the memory folding balloon 6 is provided with the vent hole 7, and the outer side surface of the memory folding balloon 6 is adhered with the flexible ablation electrode 8 to exert the treatment effect;
the memory folding saccule is of a multi-page structure, each saccule corresponds to one electrode plate of the flexible ablation electrode, one page of the memory folding saccule is respectively a positive electrode and a negative electrode in a contracted state, and the contracted electrodes are completely hidden in the inner surfaces of the blades of the memory folding saccule. The memory folding saccule blade has memory and is well held back after folding.
The handle tube 2 and the connecting outer catheter 1 are of multi-cavity structures and comprise an inner catheter 9, a guide wire cavity 10, an air cavity 11 and a guide wire cavity 12, the inner catheter 9 is concentrically arranged inside the handle tube 2 and the connecting outer catheter 1, the guide wire cavity 10 is arranged on the inner side of the inner catheter 9, and the air cavity 11 and the guide wire cavity 12 are arranged outside the inner catheter 9 in a separated mode.
The end of the air cavity 11 close to the handle tube 2 and the head end connected with the outer catheter 1 are in a plugging shape, the two ends of the inner catheter 9 are in an opening shape, the end of the wire cavity 12 close to the handle tube 2 is in an opening shape, and the head end connected with the outer catheter 1 is in a plugging shape.
The wire cavity 12 is provided with a plurality of groups, the air cavity 11 is communicated with the pressurizing and inflating branch pipe 3 and is communicated with the inside of the memory folding sacculus 6 through the vent hole 7, and the front end of the inner catheter 9 is provided with a tip stylet 13.
The wire cavity 12 is internally provided with a connecting wire 14, the connecting wire 14 passes through the connecting outer catheter 1 to extend out to be electrically connected with the flexible ablation electrode 8, the flexible ablation electrode 7 is divided into positive and negative electrodes which are distributed in an interdigital and crossing manner, an outer protective film 15 is sleeved outside the connecting wire 14 part outside the connecting wire 8 wiring end and the connecting outer catheter 1, and the connecting wire 14 is connected with an external energy instrument 16.
The outer side of the connecting outer catheter 1 at the inner side of the memory folding saccule 6 is symmetrically provided with developing rings 17, and the developing rings 17 are symmetrically provided with two groups.
When the noninvasive balloon electrode for minimally invasive diagnosis and treatment of the luminal lesion is used, the contracted memory folding balloon can enter the lumen through an endoscopic forceps opening such as an ERCP (endoscopic forceps opening), a three-way valve is opened when the lesion position is reached, the memory folding balloon is inflated through a pressurizing inflation branch pipe and is evenly unfolded, an external energy source instrument is started to implement ablation treatment, ablation equipment is disconnected after the treatment is finished, gas is pumped back through the pressurizing inflation branch pipe, the memory folding balloon is automatically folded, the memory folding balloon is evacuated from a human body, a balloon bracket is replaced, and the treatment is finished.
The specification of the memory folding balloon is designed into various specifications according to clinical lesions, the expansion diameter range of the memory folding balloon after pressurization is 5-5 mm, and the length range of the memory folding balloon is 10-250 mm. Specifically, the diameter of the section is 10+/-2 mm in the working state of expansion after pressurization, and the expansion device is suitable for expanding the diameter of biliary tract when the biliary pancreas is diseased; the diameter of the section is 23+/-5 mm in the working state of expansion after pressurization, and the section is suitable for cervical lesion. Meanwhile, the specifications of the memory folding balloon can be customized according to the actual condition of a patient.
Example 2
According to fig. 5, the present embodiment provides a non-invasive balloon electrode for minimally invasive diagnosis and treatment of a lumen lesion, wherein the handle tube 2 and the connecting outer catheter 1 are of a multi-cavity structure, and include an inner catheter 9, a wire guide cavity 10, an air cavity 11, a wire guide cavity 12 and a sensor wiring cavity 18, the inner catheter 9 is concentrically arranged inside the handle tube 2 and the connecting outer catheter 1, the wire guide cavity 10 is arranged inside the inner catheter 9, and the air cavity 11, the wire guide cavity 12 and the sensor wiring cavity 18 are separately arranged outside the inner catheter 9.
The device for increasing the wiring cavities of the sensor can be manufactured according to the use requirement, and the number of the wiring cavities of the sensor can be increased according to the added temperature and pressure sensors, so that the practicability of the device is improved.
Example 3
According to fig. 5 and 6, the present embodiment provides a non-invasive balloon electrode for minimally invasive diagnosis and treatment of a lumen lesion, wherein the handle tube 2 and the connecting outer catheter 1 are of a multi-cavity structure, and comprise an inner catheter 9, a guide wire cavity 10, an air cavity 11, a wire cavity 12 and a sensor wiring cavity 18, the inner catheter 9 is concentrically arranged inside the handle tube 2 and the connecting outer catheter 1, the guide wire cavity 10 is arranged inside the inner catheter 9, the air cavity 11, the wire cavity 12 and the sensor wiring cavity 18 are separately arranged outside the inner catheter 9, and a tip-free stylet 13 is arranged at the front end of the guide wire cavity 10 and internally penetrated by a guide wire 19.
When in use, the guide wire is firstly inserted into the lumen, then the device is inserted into the lumen along the guide wire, and then the memory folding saccule is inflated to expand the flexible ablation electrode to be tightly attached to the lesion part for treatment.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A non-invasive balloon electrode for minimally invasive diagnosis and treatment of a luminal lesion, characterized in that: including handle mechanism, connection outer pipe (1) and sacculus mechanism, handle mechanism includes handle pipe (2), pressurization inflation branch pipe (3), three-way valve (4) and handle ring (5), handle pipe (2) side is equipped with pressurization inflation branch pipe (3), be equipped with three-way valve (4) on the pressurization inflation branch pipe (3), be equipped with handle ring (5) on handle pipe (2) of pressurization inflation branch pipe (3) opposite side, handle pipe (2) are connected with sacculus mechanism through connecting outer pipe (1), sacculus mechanism includes memory folding sacculus (6), air vent (7) and flexible ablation electrode (8), connect outer pipe (1) head end lateral surface and be equipped with memory folding sacculus (6), be equipped with air vent (7) on connection outer pipe (1) of memory folding sacculus (6) inboard, memory folding sacculus (6) lateral surface is equipped with flexible ablation electrode (8).
2. A non-invasive balloon electrode for minimally invasive diagnosis and treatment of a luminal lesion according to claim 1, wherein: the handle tube (2) and the connecting outer catheter (1) are of a multi-cavity structure, and comprise an inner catheter (9), a guide wire cavity (10), an air cavity (11) and a guide wire cavity (12), wherein the inner catheter (9) is concentrically arranged inside the handle tube (2) and the connecting outer catheter (1), the guide wire cavity (10) is arranged on the inner side of the inner catheter (9), and the air cavity (11) and the guide wire cavity (12) are arranged on the outer partition of the inner catheter (9).
3. A non-invasive balloon electrode for minimally invasive diagnosis and treatment of a luminal lesion according to claim 2, wherein: the air cavity (11) is close to the tail end of the handle pipe (2) and is in a plugging shape and connected with the head end of the outer catheter (1), two ends of the inner catheter (9) are in an opening shape, and the tail end of the wire cavity (12) is close to the handle pipe (2) and is in an opening shape and is connected with the head end of the outer catheter (1) and is in a plugging shape.
4. A non-invasive balloon electrode for minimally invasive diagnosis and treatment of a luminal lesion according to claim 2, wherein: the wire cavity (12) is provided with a plurality of groups, the air cavity (11) is communicated with the pressurizing and inflating branch pipe (3) and is communicated with the inside of the memory folding sacculus (6) through the vent hole (7), and the front end of the inner catheter (9) is provided with a tip stylet (13).
5. A non-invasive balloon electrode for minimally invasive diagnosis and treatment of a luminal lesion according to claim 2, wherein: be equipped with connecting wire (14) in wire chamber (12), connecting wire (14) pass and connect outer pipe (1) stretch out with flexible ablation electrode (8) electric connection, flexible ablation electrode (8) divide into positive negative pole and are the interdigital cross distribution, flexible ablation electrode (8) wiring end and the outside cover of connecting wire (14) part outside of connecting outer pipe (1) are equipped with outer protection film (15), connecting wire (14) connect outside energy instrument (16).
6. A non-invasive balloon electrode for minimally invasive diagnosis and treatment of a luminal lesion according to claim 1, wherein: the inner side of the memory folding balloon (6) is symmetrically provided with developing rings (17) outside the connecting outer catheter (1), and the developing rings (17) are symmetrically provided with two groups.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209432.8U CN218899674U (en) | 2023-02-14 | 2023-02-14 | Non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320209432.8U CN218899674U (en) | 2023-02-14 | 2023-02-14 | Non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions |
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| Publication Number | Publication Date |
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| CN218899674U true CN218899674U (en) | 2023-04-25 |
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| CN202320209432.8U Active CN218899674U (en) | 2023-02-14 | 2023-02-14 | Non-invasive balloon electrode for minimally invasive diagnosis and treatment of lumen lesions |
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| CN (1) | CN218899674U (en) |
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Effective date of registration: 20240620 Address after: Room 3112, Building D, Yunhuigu, No. 156 Tianguba Road, Software New City, High tech Zone, Xi'an City, Shaanxi Province, 710076 Patentee after: Xi'an Hongling Zhumeng Technology Co.,Ltd. Country or region after: China Address before: 710061, Yanta Road, Yanta District, Shaanxi, 277, Xi'an Patentee before: THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XI'AN JIAOTONG University Country or region before: China Patentee before: Maining Medical Technology (Xi'an) Co.,Ltd. |