CN217366068U - Vertebral inner balloon catheter with composite function - Google Patents
Vertebral inner balloon catheter with composite function Download PDFInfo
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- CN217366068U CN217366068U CN202220701355.3U CN202220701355U CN217366068U CN 217366068 U CN217366068 U CN 217366068U CN 202220701355 U CN202220701355 U CN 202220701355U CN 217366068 U CN217366068 U CN 217366068U
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- sacculus
- cavity
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- balloon
- bone cement
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Abstract
The utility model discloses a pipe, concretely relates to combined function's intravertebral sacculus pipe, including the multi-chamber pipe, the one end of multi-chamber pipe is equipped with the connector, and the other end is equipped with the sacculus, the sacculus surface is equipped with a plurality of electrodes. The utility model provides a through puncturing the centrum and realizing the vertebra inflation in combining the ablation technique in the protruding shaping art behind the centrum, melt, bone cement fills multi-functional in the sacculus pipe of an organic whole, the sacculus is after the inflation, and the electrode around the sacculus can 360 degrees no dead angles melt focus tissue in the vertebra, treats to melt back withdrawal sacculus to directly fill cavity through bone cement and inject bone cement in to the centrum, the utility model is simple in operation, safe effective, can effectively improve vertebra pathological change postoperative treatment quality and reduce the operating time.
Description
Technical Field
The utility model comprises a catheter, in particular to a vertebral inner balloon catheter with composite functions.
Background
The elderly population in China is the highest in the world and rapidly increases every year, and the elderly population over 60 years old in China is counted to exceed 2.5 hundred million people, wherein the number of elderly patients is increasing, and particularly, diseases related to degenerative diseases are increasing.
The popular operation mode at home and abroad of the present compression fracture is two operation modes of vertebroplasty or kyphoplasty, the two operation modes use bone cement to fill collapsed vertebras, however, a plurality of patients suffer from osteoma or osteocarcinoma with different degrees clinically, the existing treatment mode still adopts bone cement to fill affected parts, high temperature is released through the internal chemical reaction of the bone cement to burn lesion tissues of the affected parts, however, the bone cement often has great influence on the treatment effect due to the fact that the bone cement is required to be too high to cause the difference of the heat release effect of the bone cement in vivo due to too high setting speed in the actual treatment process, and in addition, part of patients have the selection mode and the treatment effect of the operation with great reduction of clinical problems such as intolerance and the like to the bone cement in the operation process.
In view of this, the present invention is proposed.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem of prior art, the utility model provides a through puncturing the centrum and realizing the vertebra inflation in combining the ablation technique in the protruding plasty of centrum back, melt, bone cement fills multi-functional in the sacculus pipe of an organic whole, the sacculus is after the inflation, and the electrode around the sacculus can 360 degrees no dead angles melt focus tissue in to the vertebra, treats to melt the back and withdraws the sacculus to directly fill cavity through bone cement and inject bone cement in to the centrum, the utility model is simple in operation, safe effective, can effectively improve vertebra pathological change postoperative treatment quality and reduce the operation time.
In order to achieve the purpose, the utility model discloses a solve through following technical scheme:
the utility model provides a combined function's intravertebral sacculus pipe, includes the multilumen pipe, the one end of multilumen pipe is equipped with the connector, and the other end is equipped with the sacculus, the sacculus surface is equipped with a plurality of electrodes.
The electrodes are uniformly distributed in an array, so that the electrodes can perform 360-degree dead-angle-free ablation on lesion tissues in the vertebrae.
The sacculus is multilayer sacculus, includes pressure release device layer and electrode and holds carrier layer, and pressure release device layer and electrode support layer only need expose the electrode, under the prerequisite of guaranteeing not to influence electrode pair pathological change tissue ablation, play the effect that pressure release and electrode carried.
The multi-cavity tube comprises a bone cement perfusion cavity, an electrode lead cavity and a liquid filling cavity, wherein the bone cement perfusion cavity penetrates through the balloon, so that bone cement is conveniently perfused into a patient body.
One side of the connector is provided with a liquid filling port, the other side of the connector is provided with an electrode wire interface, one side of the liquid filling cavity is provided with a liquid filling inlet and a liquid filling outlet, the liquid filling inlet is matched with the liquid filling port on the connector and used for filling liquid (physiological saline or contrast agent) into the balloon through the liquid filling port to swell the balloon, so that the lesion tissue on the affected part can be conveniently ablated by the electrode on the surface of the balloon.
Electrode wire cavity one side is equipped with electrode wire export and electrode wire entry, electrode wire export sets up with the cooperation of the electrode wire interface on the connector, be equipped with the wire on the electrode, the wire sets up with electrode wire entry cooperation, is convenient for to the electrode on sacculus surface circular telegram, and can be according to the position that needs melt, the different electrode of circular telegram.
The surface of the lead is attached with an insulating layer or a thermoplastic insulating high polymer material layer (generally adopting thermoplastic polyurethane, polyolefin or rubber) to prevent the lead from damaging a patient due to electric leakage.
The utility model has the advantages as follows:
(1) when the balloon has single-point ablation, the influence of carbonized tissues on the ablation effect in the ablation process can be improved, and the ablation area can be enlarged;
(2) when the balloon is provided with multi-point ablation, the adhesive tissue can be cleaned while ablation is carried out in the ablation process, the ablation efficiency is improved, and the operation time is saved;
(3) the tissue can be removed in a targeted way according to different focus positions;
(4) the multifunctional operation device integrates multiple functions, can save operation time and improve operation quality.
Drawings
Fig. 1 is a schematic structural view of a multifunctional intravertebral balloon catheter of the present invention;
fig. 2 is a schematic view of a partial structure of a multifunctional intravertebral balloon catheter of the present invention;
fig. 3 is a partial structural schematic view of a multifunctional intravertebral balloon catheter of the present invention;
wherein the reference numbers: the multi-cavity tube is 1, the electrode lead outlet is 11, the electrode lead inlet is 12, the liquid charging inlet is 13, the liquid charging outlet is 14, the electrode lead cavity is 15, the liquid charging cavity is 16, the bone cement perfusion cavity is 17, the connector is 2, the electrode lead interface is 21, the liquid charging port is 22, the balloon is 5, the electrode is 51 and the lead is 52.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. Wherein, it is required to be noted that: the utility model provides a various position words, for example "preceding", "back", "left", "right", "upper", "lower", "near-end", "distal end", "head end", "tail end" etc. are only for the convenience of description for describe the relative position relation between each part under specific occasion, rather than being used for limiting the utility model discloses, the utility model discloses a product mode of putting is different probably leads to the change of various position descriptions. For convenience of description, the end of the vertebral composite balloon catheter inserted into the human body is called "head end" or "distal end", and the end opposite to the direction of the human body is called "tail end" or "proximal end".
The invention will be further described with reference to specific embodiments.
As shown in fig. 1-3, a multifunctional intravertebral balloon catheter comprises a multi-lumen tube 1 (having a bone cement perfusion function, electrode wire guide protection and a liquid-filled cavity function, generally made of a polymer material such as polyetheretherketone, polytetrafluoroethylene or nylon), a connector 2 is arranged at one end of the multi-lumen tube 1, a balloon 5 (having an expansion and support function, generally made of a polymer material such as thermoplastic polyurethane, nylon, rubber or blends or copolymers thereof) is arranged at the other end of the multi-lumen tube, and a plurality of electrodes 51 (wherein the electrodes 51 may be radio-frequency ablation electrodes made of conventional materials and used for generating a closed loop with human tissues at a patient action part, so that joule heat is generated by radio frequency to denature and inactivate tissues near the electrodes 51, thereby achieving a tissue ablation purpose). The electrodes 51 are uniformly distributed in an array, so that the electrodes 51 can perform 360-degree dead-angle-free ablation on lesion tissues in the vertebrae. The sacculus 5 is multilayer sacculus, including pressure release device layer and electrode bearing carrier layer, pressure release device layer and electrode bearing carrier layer only need expose electrode 51, under the prerequisite of guaranteeing not to influence electrode 51 to the pathological change tissue ablation, play the effect that pressure release and electrode carried.
The multi-cavity tube 1 comprises a bone cement pouring cavity 17, an electrode lead cavity 15 and a liquid filling cavity 14, wherein the bone cement pouring cavity 17 penetrates through the balloon 5, so that bone cement is poured into a patient conveniently. One side of the connector 2 is provided with a liquid filling port 22, the other side of the connector is provided with an electrode lead interface 21, one side of the liquid filling cavity 16 is provided with a liquid filling inlet 13 and a liquid filling outlet 14, the liquid filling inlet 13 is matched with the liquid filling port 22 on the connector 2 and is used for filling liquid (physiological saline or contrast agent) into the balloon 5 through the liquid filling port 22 so as to swell the balloon 5 and facilitate the electrode 51 on the surface of the balloon 5 to ablate lesion tissues of affected parts.
An electrode lead outlet 11 and an electrode lead inlet 12 are arranged on one side of the electrode lead cavity 15, the electrode lead outlet 11 is matched with the electrode lead interface 21 on the connector 2, a lead 52 is arranged on the electrode 51 (the electrode 51 is usually made of platinum iridium alloy or platinum gold, and the lead 52 connected with the electrode 51 is usually made of platinum gold or platinum iridium alloy), the lead 52 is matched with the electrode lead inlet 12, so that the electrode 51 on the surface of the balloon 5 can be electrified conveniently, and different electrodes 51 can be electrified according to the position to be ablated. The surface of the lead 52 is attached with an insulating layer or a thermoplastic insulating polymer material layer (generally adopting thermoplastic polyurethane, polyolefin or rubber) to prevent the lead from damaging the patient due to electric leakage.
The working principle is as follows:
firstly, after a patient vertebral body is punctured, a balloon catheter is inserted into the vertebral body, then a proper solution (generally, a physiological saline or a contrast agent is adopted as the solution) is filled into a liquid filling port 22 to expand a balloon 5, after the solution is expanded to a specified position, an electrode 51 on the surface of the balloon 5 is used for ablating focus tissues in the vertebral body, the solution in the balloon 5 is withdrawn after ablation is finished, so that the balloon 5 is recovered, then bone cement is used for injecting bone cement water into the vertebral body from a cavity 17, and after the injection is finished, the balloon catheter is pulled out.
The above-mentioned embodiments, which further illustrate the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A composite function intravertebral balloon catheter characterized by: the electrode assembly comprises a multi-cavity tube, wherein one end of the multi-cavity tube is provided with a connector, the other end of the multi-cavity tube is provided with a balloon, and the surface of the balloon is provided with a plurality of electrodes; the balloon is a multilayer balloon and comprises a pressure release device layer and an electrode bearing layer; the multi-cavity tube comprises a bone cement perfusion cavity, an electrode lead cavity and a liquid charging cavity, and the bone cement perfusion cavity penetrates through the balloon.
2. A composite function intravertebral balloon catheter as claimed in claim 1, wherein: the electrodes are uniformly distributed in an array.
3. A composite function intravertebral balloon catheter as claimed in claim 1, wherein: one side of the connector is provided with a liquid filling port, the other side of the connector is provided with an electrode lead interface, one side of the liquid filling cavity is provided with a liquid filling inlet and a liquid filling outlet, and the liquid filling inlet is matched with the liquid filling port on the connector.
4. A composite function intravertebral balloon catheter as claimed in claim 1, wherein: the electrode lead is characterized in that an electrode lead outlet and an electrode lead inlet are formed in one side of the electrode lead cavity, the electrode lead outlet is matched with an electrode lead interface on the connector, a lead is arranged on the electrode, and the lead is matched with the electrode lead inlet.
5. A composite function intravertebral balloon catheter as claimed in claim 4, wherein: the surface of the lead is attached with an insulating layer or a thermoplastic insulating polymer material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220701355.3U CN217366068U (en) | 2022-03-29 | 2022-03-29 | Vertebral inner balloon catheter with composite function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220701355.3U CN217366068U (en) | 2022-03-29 | 2022-03-29 | Vertebral inner balloon catheter with composite function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217366068U true CN217366068U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220701355.3U Active CN217366068U (en) | 2022-03-29 | 2022-03-29 | Vertebral inner balloon catheter with composite function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217366068U (en) |
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2022
- 2022-03-29 CN CN202220701355.3U patent/CN217366068U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite functional intravertebral balloon catheter Effective date of registration: 20230314 Granted publication date: 20220906 Pledgee: Bank of Shaoxing Co.,Ltd. high tech Development Zone sub branch Pledgor: ZHEJIANG JIAYOU MEDICAL INSTRUMENT Co.,Ltd. Registration number: Y2023980034728 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |