CN109223168A - Block balloon structure - Google Patents
Block balloon structure Download PDFInfo
- Publication number
- CN109223168A CN109223168A CN201811347404.2A CN201811347404A CN109223168A CN 109223168 A CN109223168 A CN 109223168A CN 201811347404 A CN201811347404 A CN 201811347404A CN 109223168 A CN109223168 A CN 109223168A
- Authority
- CN
- China
- Prior art keywords
- sacculus
- balloon structure
- tube
- closure
- electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00005—Cooling or heating of the probe or tissue immediately surrounding the probe
- A61B2018/00011—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
- A61B2018/00023—Cooling or heating of the probe or tissue immediately surrounding the probe with fluids closed, i.e. without wound contact by the fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
Abstract
The present invention provides a kind of closure balloon structure, the closure sacculus structural balloon and foley's tube, the front end of the foley's tube is arranged in the sacculus, the surface of the sacculus is provided with several electrodes, the foley's tube is provided with passage tube and electrode connecting line beam, the passage tube is connected to the sacculus, and the electrode connecting line beam is for being correspondingly connected with the electrode.In closure balloon structure provided by the invention, the potential change of orifices of pulmonary veins can be preferably collected by the electrode that balloon surface is arranged, sacculus can play the role of blocking orifices of pulmonary veins distal end blood simultaneously, effectively avoids blood flow from washing away and influence corresponding surgical effect, to make pulmonary vein in operation obtain stable environment, success rate of operation is promoted.
Description
Technical field
The present invention relates to the field of medical instrument technology, in particular to a kind of closure balloon structure.
Background technique
Auricular fibrillation (atrial fibrillation, abbreviation atrial fibrillation) is one of clinical most common arrhythmia cordis, hair
Sick rate increases with age, and with compared with age non-patients with atrial fibrillation, patients with atrial fibrillation quality of life is often poor, and often
With diseases such as hypertension, heart failure, therefore its thromboembolic complication and lethality are higher.In order to solve this hardly possible
Topic, a kind of ablation mode --- freezing sacculus ablation (cryoballoon ablation) beginning is clinically answered
With.Different from traditional RF ablation, freezing sacculus ablation is to block up sacculus to Pulmonary venous vestibule, extremely by low temperature energy transmission
Expandable prosthetic to cause direct or indirect damage to sacculus perienchyma, and then achievees the purpose that pulmonary vein is electrically isolated.
Therefore, in order to further increase surgical effect, it is necessary to realize that pulmonary vein electric isolution provides better Medical treatment device
Tool is to solve the problems, such as that cardiac electric signals test in orifices of pulmonary veins distal end is inconvenient in the course of surgery, and more importantly preferably
Orifices of pulmonary veins is blocked to reduce blood flow to freezing position and wash away, the temperature of injury tissue is extremely capable of so as to fast cooling.
Summary of the invention
The purpose of the present invention is to provide a kind of closure balloon structures, are blocked in the course of surgery not with solving the prior art
Good or orifices of pulmonary veins distal end cardiac electric signals test problem to be improved.
In order to solve the above technical problems, the present invention provides a kind of closure balloon structure, the closure sacculus structural balloon and
The front end of the foley's tube is arranged in foley's tube, the sacculus, and the surface of the sacculus is provided with several electrodes, the ball
Ductus bursae is provided with passage tube and electrode connecting line beam, and the passage tube is connected to the sacculus, the electrode connecting line
Beam is for being correspondingly connected with the electrode.
Optionally, in the closure balloon structure, several electrodes the surface of the sacculus in spot distribution or
Zonal distribution.
Optionally, in the closure balloon structure, the part electrode covers the maximum in vertical face when the balloon inflation
At diameter.
Optionally, in the closure balloon structure, longitudinal direction diameter is greater than trans D when the balloon inflation.
Optionally, in the closure balloon structure, the passage tube is connected to the sacculus by several full holes.
Optionally, in the closure balloon structure, the front end of the foley's tube is provided with locating piece.
Optionally, in the closure balloon structure, liquid is filled in the passage tube.
Optionally, in the closure balloon structure, the liquid includes contrast agent or physiological saline.
Optionally, in the closure balloon structure, the electrode connecting line beam is connected to potential test device, the electricity
Level measuring arrangement detects the current potential on the electrode.
Optionally, in the closure balloon structure, the passage tube is connected to delivery pump, and the delivery pump makes described
Balloon inflation or contraction.
It, can be preferable by the electrode that balloon surface is arranged in conclusion in closure balloon structure provided by the invention
The potential change for collecting orifices of pulmonary veins, while sacculus can play the role of block orifices of pulmonary veins distal end blood, effectively keep away
Exempt from blood flow to wash away and influence corresponding surgical effect, so that pulmonary vein in operation be made to obtain stable environment, promotes successful surgery
Rate.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the closure balloon structure of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the band electrode of the sacculus of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the Spot electrodes of the sacculus of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the sacculus of another embodiment of the present invention.
Specific embodiment
In order to keep objects, features and advantages of the present invention more obvious and easy to understand, attached drawing is please referred to.It should be clear that this explanation
Book structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate the revealed content of specification, for being familiar with this
The personage of technology understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical essence meaning
Justice, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the effect of present invention can be generated and institute
Under the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
As shown in Figure 1, the present invention provides a kind of closure balloon structure, the closure balloon structure includes sacculus 10 and sacculus
The front end of the foley's tube 20 is arranged in conduit 20, the sacculus 10, and front end should be used as into body end, end head (end) etc. one
Hold the appellation of the end, the surface of the sacculus is provided with several electrodes 11, can be bonded by glue between electrode and sacculus or
The modes such as person's welding are fixed, and the foley's tube 20 is provided with passage tube 21 and electrode connecting line beam 22, the passage tube
21 are connected to the sacculus 10, and the electrode connecting line beam 22 is for being correspondingly connected with the electrode 11, even if electrode connecting line beam
In independent connecting line (or conducting wire) be respectively connected on a certain electrode, realize the potential measurement of each single electrode, electrode connection
Harness may be provided in the gap of interior independent seal wire access or inner tubal wall and outer tube wall, and foley's tube integrally can be used as push rod
To make the sacculus shunk push in vivo.
In another embodiment, the conducting wire of electrode may be provided at balloon interior, and electrode is led in sacculus outer surface, electrode
By glue sealing, conducting wire can be multilayer insulated wire or further be cased with outside conducting wire super for the aperture on sacculus that line is passed through
Thin insulating sleeve, will not mutual conduction in liquid environment.The surface of sacculus does not have conducting wire in this scheme, when can reduce conveying
Frictional force and the decreasing insulating that may cause, influence electric signal extraction.Balloon distal is bonded by glue in this scheme
Or the mode of welding is fixed on push rod distal end, balloon proximal is fixed on distal outer tube in such a way that glue is bonded or welded,
Push rod and outer tube can be in axially opposing movements.Since this sacculus radial dimension is much larger than axial dimension, in no injecting fluid
When, sacculus can sufficiently be extended by pushing push rod to reduce outer diameter, be more advantageous to and controlled across the matched freezing used
Treat sacculus silk-guiding channel；After injecting fluid, push rod can be withdrawn and reduced at a distance from distal outer tube, so that sacculus radial dimension
It is bigger.It should be noted that conducting wire is free state between push rod and outer tube, there is certain amount of bow, so that pushing away
Sending will not be pulled off when bar.
As shown in Figures 2 and 3, several electrodes 11 are in spot distribution or zonal distribution, point on 20 surface of sacculus
Shape distribution can be various shapes such as circular electrode dispersed distribution in balloon surface, and spot distribution can realize more measurement points
Position, zonal distribution can be various strip-like appearances or band like form is distributed in balloon surface, and zonal distribution, which can be realized, preferably to be covered
For lid to extract the pulmonary vein potential of irregular form, specific distribution mode can be real using being uniformly distributed or symmetrical
The covering of existing measured zone.The scheme of the present embodiment can be used for replacing ring lung of the prior art in ring pulmonary vein cryoablation
Mapping catheter uses, and ring lung mapping catheter can be pierced by the foley's tube intermediate cavity of refrigeration from, and it is remote to reach orifices of pulmonary veins
End, the conduction of mapping cardiac electric signals, and whether successfully blocked in the cardiac electric signals of the postoperative evaluation and test disorder of cryoablation.Due to
The expense of usual ring lung mapping catheter significantly increases patient medical cost at 10,000 yuan or more.The present invention is for existing
There is technology to improve, replaces ring lung mapping catheter using balloon structure is blocked, thus reach the use for reducing medical instrument, letter
Change surgical procedure, on the basis of shortening operating time, reduces medical treatment cost.In operation, the most common problem includes due to blocking
Electric signal isolation caused by bad is insufficient, when the sacculus in the present invention is expanded from pulmonary vein distal end, pulmonary vein can be blocked to flow back
Blood flow to heart washes away freezing band, to reach lower temperature within the faster time, realizes effective pulmonary vein electricity
Position isolation.
In order to preferably realize potential acquisition effect, the part electrode 11 cover when the sacculus 10 expansion it is longitudinal most
At major diameter, that is, maximum diameter region at least longitudinal when sacculus 10 expands is provided with electrode 11, longitudinal direction side here
To being the transverse direction extended relative to foley's tube 20, vertical expansion at this time can be such that sacculus is attached on blood vessel, also
Reach electrode and contacts effect preferably to complete potential measurement.Wherein for the quantity of electrode and with no restriction, it can usually adopt
Enough electric signals are acquired with such as 8-20 electrode, electrode can be made of the metal material with biocompatibility.
As shown in figure 4, longitudinal direction diameter is greater than trans D when the sacculus 10 expands in order to improve detection effect, can subtract
The deep distance of few electrode can also preferably realize pulmonary vein signal acquisition, that is, the shape of sacculus is designed to oblate spheroid
(similar flying saucer), to be further reduced the deep distance of electrode, that is, sacculus is in the transverse direction of foley's tube extending direction
Diameter is less than the longitudinal diameter perpendicular to foley's tube, i.e., radially diameter is greater than axial upper diameter, and longitudinal direction at this time is straight
Diameter and trans D be often referred to expansion when with symmetrical balloon center vertical and horizontal maximum gauge, so as to reach simultaneously
Electrode measurement requires and reduces the purpose of distance, such as longitudinal diameter is twice or more of trans D.
In order to faster make balloon inflation, the passage tube 21 is connected to the sacculus by several full holes 23
10, each full hole can make balloon inflation, and the speed of expansion that sacculus is accelerated in hole can be filled by several, passage tube
Material can form for polytetrafluoroethylene (PTFE) (PTFE) or high density polyethylene (HDPE) (HDPE), and can coat hydrophilic or hydrophobic super magnificent coating.
For the ease of medical observation, the front end of the foley's tube 20 is provided with locating piece 30, is led by being arranged in sacculus
The locating piece 30 of 20 front end of pipe can fast implement the function of positioning, by it is quick accurately positioning devices art in position so as to
Medical worker is operated, and medical observation device includes the radionetric surveys instrument such as CT, and locating piece can be fine and close metal
Part or metal coating etc. and the medical development material being used cooperatively etc., shape are preferably optional annular or round etc. and fast
Speed identification, locating piece can be nested in the distalmost end (entering body end) of foley's tube, can be used as other each structures for foley's tube
Supportive body is depended on, handle etc. can be set suitable position to be convenient for operating in art at one end.Locating piece may be disposed in sacculus
The heart band of position also can be set in sacculus side；Locating piece, which can usually depend on, to be arranged on passage tube, also can be set
In the cystic structures of sacculus.
In the present embodiment, liquid is filled in the sacculus 10, and preferably full mode can be realized using liquid, relative to
The modes such as gas, liquid have more stable composition to play preferable supporting role, and gas will receive the influence ball of air pressure
Effect under capsule swelling state.
Optionally, the liquid includes contrast agent or physiological saline, and contrast agent or physiological saline, which can be respectively adopted, makes sacculus
Expansion, contrast agent can enhance medical image observing effect, and common high density contrast agent has barium sulfate and Operand, physiological saline
It is widely portable to various medical instruments and operation.
In the present embodiment, the electrode connecting line beam 22 is connected to potential test device, the potential test device inspection
The current potential on the electrode is surveyed, that is, measures sacculus respective current potential on each electrode at closure.
In the present embodiment, the passage tube 21 is connected to delivery pump, and the delivery pump makes the balloon inflation, passes through
For the gas or liquid of delivery pump conveying into sacculus, delivery pump is used for the extraction liquid/gas into passage tube to make sacculus
The equipment of expansion or shrinkage, that is, realize sacculus plugging action, for example, by using infusion pump can strict control amount of infusion and monitor it is defeated
The case where liquor charging.It is understood that the other end of closure balloon structure of the invention is also provided with other medical equipments, example
As being connected to the portion of the handle such as reading, display, communication and necessary handle of electric potential signal on special equipment realization electrode
Structure.
The present invention can be used in ring pulmonary vein cryoablation, by blocking balloon structure while carrying out cryoablation
Ring pulmonary vein mapping is carried out, verifies the whether completely isolated pulmonary vein electric signal of cryoablation, while blocking balloon structure and playing envelope
The effect of stifled orifices of pulmonary veins Distal blood flow improves success rate of operation, and can reduce other doctors while saving operating time
The use for treating device product, meets health economics.Sacculus of the invention can play closure when cryoablation pulmonary vein is performed the operation
The effect of pulmonary vein Distal blood flow, while having band-like or Spot electrodes by this balloon surface, record lung during cryoablation
The potential change of ostium venosum cordis.In a particular embodiment, it blocks balloon structure to be placed in the pulmonary vein of distal end, push can be passed through
With foley's tube is withdrawn with adjust balloon distal position and with the adhibition of pulmonary vein.When sacculus arrives in pulmonary vein centainly
Depth starts to expand, and enables electrode to be effectively bonded the pulmonary vein inner cavity of different sizes and form, and play closure pulmonary vein
The effect of blood flow prevents influence of the blood flow to operation and measurement.In the prior art, after playing freezing balloon occluder orifices of pulmonary veins,
Other parts still may be by blood flow washes away in atrium and in pulmonary vein, and this blood flow washes away the progress for being unfavorable for ablation procedure,
Cryoablation temperature can be produced bigger effect, even result in the failure entirely performed the operation.
In the present embodiment, sacculus is compliant balloon, and compliance refers to that flexible object is sent out under external force
The ability of raw deformation, can also be called semi-compliant sacculus, make sacculus can be effectively bonded in expansion process different sizes and
The pulmonary vein inner cavity of form, the material of sacculus include polyurethane, nylon or modification of nylon.Closure balloon structure provided by the invention
Sacculus is in contraction state when in the preoperative, and in order to enter in vivo from surgical wound, sacculus is just needed when reaching pulmonary vein
It expands and subsequent operation.
It, can be preferable by the electrode that balloon surface is arranged in conclusion in closure balloon structure provided by the invention
The potential change for collecting orifices of pulmonary veins, while sacculus can play the role of block orifices of pulmonary veins distal end blood, effectively keep away
Exempt from blood flow to wash away and influence corresponding surgical effect, so that pulmonary vein in operation be made to obtain stable environment, promotes successful surgery
Rate.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Range.
Claims (10)
1. a kind of closure balloon structure, which is characterized in that the closure balloon structure includes sacculus and foley's tube, the sacculus
The front end of the foley's tube is set, and the surface of the sacculus is provided with several electrodes, and the foley's tube is provided with channel
Pipeline and electrode connecting line beam, the passage tube are connected to the sacculus, and the electrode connecting line beam is for being correspondingly connected with institute
State electrode.
2. closure balloon structure according to claim 1, which is characterized in that several electrodes are on the surface of the sacculus
In spot distribution or zonal distribution.
3. closure balloon structure according to claim 2, which is characterized in that the part electrode covers the balloon inflation
When longitudinal maximum gauge at.
4. closure balloon structure according to claim 1, which is characterized in that longitudinal direction diameter is greater than cross when the balloon inflation
To diameter.
5. closure balloon structure according to claim 1, which is characterized in that the passage tube passes through several full holes
It is connected to the sacculus.
6. closure balloon structure according to claim 1, which is characterized in that the front end of the foley's tube is provided with positioning
Part.
7. closure balloon structure described in any one of -6 according to claim 1, which is characterized in that in the passage tube
Full liquid.
8. closure balloon structure according to claim 7, which is characterized in that the liquid includes contrast agent or physiology salt
Water.
9. closure balloon structure described in any one of -6 according to claim 1, which is characterized in that the electrode connecting line
Beam is connected to potential test device, and the potential test device detects the current potential on the electrode.
10. closure balloon structure described in any one of -6 according to claim 1, which is characterized in that the passage tube connects
It is connected to delivery pump, the delivery pump makes the balloon inflation or contraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347404.2A CN109223168A (en) | 2018-11-13 | 2018-11-13 | Block balloon structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811347404.2A CN109223168A (en) | 2018-11-13 | 2018-11-13 | Block balloon structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109223168A true CN109223168A (en) | 2019-01-18 |
Family
ID=65078415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811347404.2A Pending CN109223168A (en) | 2018-11-13 | 2018-11-13 | Block balloon structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109223168A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803171A (en) * | 2020-06-30 | 2020-10-23 | 重庆大学附属肿瘤医院 | Vascular surgery is with plugging device convenient to operation |
| CN113331935A (en) * | 2021-06-01 | 2021-09-03 | 黄松群 | Novel atrial fibrillation cryoablation device beneficial to pulmonary vein plugging |
Citations (9)
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|---|---|---|---|---|
| US5221258A (en) * | 1991-01-22 | 1993-06-22 | Shturman Technologies, Inc. | Introduction balloon catheter |
| US20060282120A1 (en) * | 2005-05-13 | 2006-12-14 | Sih Haris J | Neurotoxic agents and devices to treat atrial fibrillation |
| US20090287202A1 (en) * | 2008-05-15 | 2009-11-19 | Boston Scientific Scimed, Inc. | Apparatus and methods for cryogenically ablating tissue and adjusting cryogenic ablation regions |
| CN104644161A (en) * | 2013-11-21 | 2015-05-27 | 韦伯斯特生物官能(以色列)有限公司 | Multi-electrode balloon catheter with circumferential and point electrodes |
| CN105708544A (en) * | 2014-12-22 | 2016-06-29 | 韦伯斯特生物官能(以色列)有限公司 | Balloon For Ablation Around Pulmonary Veins |
| US20170042615A1 (en) * | 2010-05-12 | 2017-02-16 | Amr Salahieh | Ablation catheters |
| CN107427321A (en) * | 2015-03-27 | 2017-12-01 | 日本来富恩株式会社 | Balloon type ablation catheter and ablation catheter apparatus |
| CN109717943A (en) * | 2017-10-31 | 2019-05-07 | 四川锦江电子科技有限公司 | Cryoablation conduit and ablating device with mapping function |
| CN209360884U (en) * | 2018-11-13 | 2019-09-10 | 上海安钛克医疗科技有限公司 | Block balloon structure |
-
2018
- 2018-11-13 CN CN201811347404.2A patent/CN109223168A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5221258A (en) * | 1991-01-22 | 1993-06-22 | Shturman Technologies, Inc. | Introduction balloon catheter |
| US20060282120A1 (en) * | 2005-05-13 | 2006-12-14 | Sih Haris J | Neurotoxic agents and devices to treat atrial fibrillation |
| US20090287202A1 (en) * | 2008-05-15 | 2009-11-19 | Boston Scientific Scimed, Inc. | Apparatus and methods for cryogenically ablating tissue and adjusting cryogenic ablation regions |
| US20170042615A1 (en) * | 2010-05-12 | 2017-02-16 | Amr Salahieh | Ablation catheters |
| CN104644161A (en) * | 2013-11-21 | 2015-05-27 | 韦伯斯特生物官能(以色列)有限公司 | Multi-electrode balloon catheter with circumferential and point electrodes |
| CN105708544A (en) * | 2014-12-22 | 2016-06-29 | 韦伯斯特生物官能(以色列)有限公司 | Balloon For Ablation Around Pulmonary Veins |
| CN107427321A (en) * | 2015-03-27 | 2017-12-01 | 日本来富恩株式会社 | Balloon type ablation catheter and ablation catheter apparatus |
| CN109717943A (en) * | 2017-10-31 | 2019-05-07 | 四川锦江电子科技有限公司 | Cryoablation conduit and ablating device with mapping function |
| CN209360884U (en) * | 2018-11-13 | 2019-09-10 | 上海安钛克医疗科技有限公司 | Block balloon structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803171A (en) * | 2020-06-30 | 2020-10-23 | 重庆大学附属肿瘤医院 | Vascular surgery is with plugging device convenient to operation |
| CN111803171B (en) * | 2020-06-30 | 2021-08-24 | 重庆大学附属肿瘤医院 | Vascular surgery is with plugging device convenient to operation |
| CN113331935A (en) * | 2021-06-01 | 2021-09-03 | 黄松群 | Novel atrial fibrillation cryoablation device beneficial to pulmonary vein plugging |
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