CN213758520U

CN213758520U - Ablation device for bronchus

Info

Publication number: CN213758520U
Application number: CN202021642606.2U
Authority: CN
Inventors: 龙发; 付鹏; 黄文婷
Original assignee: Chinese Academy Of Science Shenzhen Hospital, University of
Current assignee: Chinese Academy Of Science Shenzhen Hospital, University of
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-07-23
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses an ablation device for bronchus, which comprises a radio frequency electrode, a cryoprobe and a holding part, wherein the cryoprobe is arranged in front of the radio frequency electrode, the cryoprobe is connected through a cryoprobe conduit, the radio frequency electrode is connected through a radio frequency electrode lead, the radio frequency electrode lead and the cryoprobe conduit are arranged in parallel and are combined into an embedded line; the other end of the embedded line is connected with the holding part, and the holding parts are respectively provided with a freezing partA control switch and the radio frequency control switch; the radio frequency electrode lead and the freezing probe conduit at the rear end of the holding part are respectively connected with a radio frequency plug and a freezing plug; the radio frequency plug is connected with a radio frequency generator; the freezing plug is connected with CO₂A freeze generator. The utility model discloses combine radiofrequency ablation device and CO2 refrigerating plant for bronchus thermoforming art carries out cold and hot combination and melts the air flue smooth muscle, effectively improves severe asthma patient's air flue and remolds.

Description

Ablation device for bronchus

Technical Field

The utility model belongs to the technical field of medical instrument, specifically belong to a be used for tracheal ablation art device.

Background

Bronchial thermoplasty is an innovative treatment technique for bronchial asthma, by applying which the symptoms of asthma can be controlled and alleviated. The technique mainly applies a bronchoscope to guide in a radio frequency probe, and utilizes radio frequency energy to thin airway smooth muscle proliferated on the airway wall, thereby reducing the contraction amplitude of the airway during the attack of bronchial asthma symptoms and reducing the attack frequency and severity. Bronchial thermoplasty has the advantages of accurate positioning, small contact point of a radiation head, easy mastering of a cauterization area, safety and the like, is gradually favored by many doctors, and is used for treating patients with severe persistent asthma at home and abroad. However, the existing bronchial thermoplasty only has a single radio frequency heating mode, and for severe asthma patients with severe airway remodeling, the treatment effect is slow and is not ideal only through radio frequency ablation heating. The treatment effect of the severe asthma patients can be obviously improved by a cold-hot alternating treatment method. Accordingly, there is a need for improvements to existing ablation devices for the treatment of severe asthma patients.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for bronchial ablation device, with the combination of radiofrequency ablation device and CO2 refrigerating plant for bronchial thermoforming, carry out cold and hot combination and melt the air flue smooth muscle, effectively improve severe asthma patient's air flue and remold.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ablation device for bronchus comprises a radio-frequency electrode, a cryoprobe and a holding part, wherein the cryoprobe is arranged in front of the radio-frequency electrode and is connected with the cryoprobe through a cryoprobe guide tube; the above-mentionedThe other end of the embedded line is connected with the holding part, and the holding part is respectively provided with a freezing control switch and the radio frequency control switch; the radio frequency electrode lead and the freezing probe conduit at the rear end of the holding part are respectively connected with a radio frequency plug and a freezing plug; the radio frequency plug is connected with a radio frequency generator; the freezing plug is connected with CO₂A freeze generator.

Preferably, the radio-frequency electrode consists of 4-6 single electrodes.

Preferably, a single electrode of the radio frequency electrode is flat, and the width of the single electrode is 0.1 mm-0.4 mm.

Preferably, the radio frequency electrode is olive-shaped as a whole.

Preferably, the freezing control switch and the radio frequency control switch are respectively positioned at two sides of the holding part.

Preferably, the conduit of the cryoprobe passes through the middle of the radiofrequency electrode and is connected to the cryoprobe at the front end.

Has the advantages that: the utility model discloses with radiofrequency ablation device and CO₂Freezing device combines for the bronchial thermoplasty, carries out cold and hot combination and melts airway smooth muscle, melts for single radio frequency, more can promote severe asthma patient's effect. The utility model discloses a mode of plug is connected radiofrequency generator and CO₂Cryogenerator compatible with existing RF generator and CO₂The freezing generator can be used by directly inserting.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of the rf device of the present invention.

The reference numbers in the figures are: the device comprises a radio-frequency electrode 5, a cryoprobe 6, a holding part 1, a radio-frequency plug 9, a freezing plug 10, an embedded wire 4, a radio-frequency electrode lead 8, a cryoprobe catheter 7, a freezing control switch 2 and a radio-frequency control switch 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, it should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative concepts or reference to the normal use state of the part to be punched, and should not be considered as limiting. The following describes the implementation of the present invention in detail with reference to specific embodiments.

Referring to fig. 1 and 2, an ablation apparatus for bronchus comprises a radio frequency electrode 5, a cryoprobe 6 and a holding portion 1, wherein the cryoprobe 6 is arranged in front of the radio frequency electrode 5, the cryoprobe 6 is connected through a cryoprobe catheter 7, the radio frequency electrode 5 is connected through a radio frequency electrode lead 8, the radio frequency electrode lead 8 and the cryoprobe catheter 7 are arranged in parallel and combined into an insertion wire 4; the other end of the embedded wire 4 is connected with a holding part 1, and a freezing control switch 2 and a radio frequency control switch 3 are respectively arranged on the holding part 1; the freezing control switch 2 and the radio frequency control switch 3 are respectively positioned at two sides of the holding part 1. The radio frequency electrode lead 8 and the freezing probe conduit 7 at the rear end of the holding part 1 are respectively connected with a radio frequency plug 9 and a freezing plug 10; the radio frequency plug 9 is connected with a radio frequency generator; the freezing plug 10 is connected with CO₂A freeze generator.

The radio-frequency electrode 5 consists of 4-6 single electrodes, the single electrode of the radio-frequency electrode 5 is flat, and the width of the single electrode is 0.1 mm-0.4 mm. The radio frequency electrode 5 is olive-shaped as a whole. The conduit of the cryoprobe 6 passes through the middle of the radiofrequency electrode 5 and is connected to the cryoprobe 6 at the front end.

The using method comprises the following steps: when in use, the radio frequency plug 9 and the freezing plug 10 are respectively inserted into the radio frequency generator and the CO₂The cryogenerator is arranged on the device, and the inserting wire 4 is inserted into the branch bronchus so that the radio-frequency electrode 5 and the cryoprobe 6 reach each section of branch bronchus for ablation treatment. Then, the radio frequency control switch 3 is used for controlling the radio frequency electrode 5 to start working, and heating is carried out on each section of branch bronchus. After the heating is finished, the radio frequency control switch 3 is closed, the freezing control switch 2 is opened, the freezing probe 6 starts to work, and the freezing probe 6 quickly cools the ablated bronchus. Cold and hot alternation enhances the ablation effect, thereby improving the airway remodeling of severe asthma patients.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications, substitutions and improvements within the technical scope of the present invention, and these modifications, substitutions and improvements should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An ablation device for bronchus is characterized by comprising a radio-frequency electrode, a cryoprobe and a holding part, wherein the cryoprobe is arranged in front of the radio-frequency electrode and is connected with the cryoprobe through a cryoprobe guide tube; the other end of the embedded line is connected with the holding part, and the holding part is respectively provided with a freezing control switch and a radio frequency control switch; the radio frequency electrode lead and the freezing probe conduit at the rear end of the holding part are respectively connected with a radio frequency plug and a freezing plug;the radio frequency plug is connected with a radio frequency generator; the freezing plug is connected with CO₂A freeze generator.

2. An ablation device for the bronchi according to claim 1, wherein: the radio frequency electrode consists of 4-6 single electrodes.

3. An ablation device for the bronchi according to claim 2, wherein: a single electrode of the radio-frequency electrode is flat, and the width of the single electrode is 0.1-0.4 mm.

4. An ablation device for the bronchi according to claim 2 or 3, characterized in that: the whole radio frequency electrode is olive-shaped.

5. An ablation device for the bronchi according to claim 1, wherein: the freezing control switch and the radio frequency control switch are respectively positioned at two sides of the holding part.

6. An ablation device for the bronchi according to claim 4, wherein: the conduit of the cryoprobe passes through the middle of the radio frequency electrode and is connected with the cryoprobe at the front end.