CN104998341A - Cutting balloon - Google Patents
Cutting balloon Download PDFInfo
- Publication number
- CN104998341A CN104998341A CN201510305053.9A CN201510305053A CN104998341A CN 104998341 A CN104998341 A CN 104998341A CN 201510305053 A CN201510305053 A CN 201510305053A CN 104998341 A CN104998341 A CN 104998341A
- Authority
- CN
- China
- Prior art keywords
- cutter hub
- sacculus
- cutting balloon
- balloon
- cutting
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
- A61B17/320725—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with radially expandable cutting or abrading elements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B2017/22051—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation
- A61B2017/22061—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for with an inflatable part, e.g. balloon, for positioning, blocking, or immobilisation for spreading elements apart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1086—Balloon catheters with special features or adapted for special applications having a special balloon surface topography, e.g. pores, protuberances, spikes or grooves
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The embodiment of the invention discloses a cutting balloon applied to the technical field of medical instruments. By employing the cutting balloon, a technical problem that blades of a conventional balloon are damaged due to large force when the conventional balloon cuts calcified lesions or other formed lesions having large hardness is solved, and the balloon can be prevented from reverse damage when the blades are heavily stressed. The cutting balloon provided in the embodiment comprises a balloon body and multiple rows of blades fixed to the outer surface of the balloon body in the axial direction. Every two adjacent blades are arranged in a spaced mode. Each blade comprises a tool nose and a tool apron which are integrally arranged, the thickness of the blade gradually increases from the tool nose to the tool apron, and the blade is directly fixed to the balloon body through the tool apron.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of Cutting balloon.
Background technology
Interventional therapy is the treatment of a kind of invasive, is under the guiding of medical imaging device, blood vessel, skin are done the minim channel of diameter several millimeters, or through the original pipeline of human body, by precision instruments such as special conduit, seal wires, introduce human body, morbid state in body is diagnosed and topical therapeutic.Because its Wicresoft, safe, simple to operate, the advantage such as good effect, instant effect have become the third-largest clinical treatment means arranged side by side with medical treatment, surgical intervention.For many not thought clinically in the past to control or obstinate disease opens new effective therapy approach, such as terminal cancer, arterial thrombosis, angiostenosis, calculus of intrahepatic duct etc.
Sacculus is a kind of intervention therapeutic apparatus that clinical medicine often uses, and when cardinal principle is sacculus arrival lesion locations, make sacculus prop up blood vessel by balloon expandable, at balloon expandable, place treats accordingly, such as thrombosis.Current Clinical practice effect is preferably Cutting balloon, Cutting balloon is a kind of special sacculus, micro-cutting operation and balloon expandable mechanism combine by it, utilize that sacculus is concentrated, lower expansion pressure, safe and effective cutting is carried out to blood vessel wall, increase minimum lumen diameter by balloon expandable, reduce Detecting Residual Stenosis, play a significant role in Complex Coronary Lesions process.
Summary of the invention
Inventor finds through large quantity research, and it is poor by property that the Cutting balloon in recent years occurred exists, and is difficult to arrive focus to implement cutting by the tortuous blood vessel of complexity.What is more important, the cutter hub of traditional Cutting balloon is all lamellar, and stress is not good, and for the pathological changes that the hardness such as cutting calcification are larger, blade is easily because of stressed excessive reverse destruction sacculus itself.
In view of this, the embodiment of the present invention provides a kind of Cutting balloon, solve existing sacculus to calcify lesion or other formed hardness larger pathological changes cutting time, due to the technical problem that the stressed blade caused more greatly is impaired, avoid to a certain extent blade stressed excessive time reverse destruction is caused to sacculus.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of Cutting balloon, can comprise: sacculus, and on described sacculus outer surface many rows cutter hub of axial restraint; All space is left between any two cutter hubs;
Described cutter hub comprises point of a knife and tool rest, and described point of a knife and tool rest are one;
The thickness of described cutter hub is increased to tool rest gradually by point of a knife, and cutter hub is directly fixed on described sacculus by tool rest.
In certain embodiments, the length of described cutter hub is less than or equal to 2.4mm.
In certain embodiments, on the outer surface of described sacculus, the cutter hub of axial restraint is 3 rows or 4 rows.
In certain embodiments, described cutter hub is by Linear cut molding.
In certain embodiments, the point of a knife angle of described cutter hub is 18-22 degree.
In certain embodiments, the hardness of described cutter hub is HV500-580.
In certain embodiments, fluted bottom described tool rest.
In certain embodiments, the cross section of described cutter hub is tapered.
In certain embodiments, described cutter hub and sacculus bonding plane become match with sacculus cylindrical.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the technical scheme provided in the embodiment of the present invention, axial restraint many rows cutter hub on the external peripheral surface of sacculus, all space is left between any two cutter hubs, the bending degree of freedom making sacculus overall in propelling movement process is higher, also comparatively strong by property in tortuous blood vessel, reduces in operation process the damage that blood vessel wall causes.The point of a knife of cutter hub and tool rest are one, and the thickness of cutter hub is increased to tool rest gradually by point of a knife, make the area of base of cutter hub larger, such cutter hub at sacculus by having stronger force resistance during blood vessel, stressed more reasonable, not yielding, be more suitable for the pathological changes that some hardness such as cutting calcification are larger.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of Cutting balloon that Fig. 1 provides for the embodiment of the present invention;
The tangent plane schematic diagram that Fig. 2 is cutter hub shown in Fig. 1.
Detailed description of the invention
Embodiments provide a kind of Cutting balloon, solve existing sacculus to calcify lesion or other formed hardness larger pathological changes cutting time, due to the technical problem that the stressed blade caused more greatly is impaired, avoid to a certain extent blade stressed excessive time reverse destruction is caused to sacculus.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Refer to Fig. 1, be a kind of in embodiment of the present invention structural representation of Cutting balloon, in the present embodiment, described Cutting balloon comprises sacculus 1, and on described sacculus 1 outer surface many rows cutter hub 2 of axial restraint; All space is left between any two cutter hubs 2; Described cutter hub 2 can comprise point of a knife and tool rest, and described point of a knife and tool rest are integrated, and the thickness of cutter hub is increased to tool rest gradually by point of a knife, and described cutter hub is directly fixed on described sacculus by tool rest.
Before Cutting balloon arrival needs to carry out the diseased region cut, cutter hub 2 fixing on sacculus 1 outer surface is wrapped in sacculus 1, avoids Cutting balloon to cause damage to blood vessel.When sacculus to be cut reaches and needs to carry out the diseased region cut, sacculus 1 can be pressurizeed gradually, and the cutter hub 2 being attached to sacculus 1 surface protrudes, and cuts calcify lesion.When Cutting balloon is recalled, sacculus 1 can be reduced pressure gradually, and cutter hub 2 is wrapped up by sacculus again.
Axial restraint many rows cutter hub on the external peripheral surface of sacculus shown in Fig. 1, all space is left between any two cutter hubs, the bending degree of freedom making sacculus overall in propelling movement process is higher, also comparatively strong by property in tortuous blood vessel, can reduce in operation process the damage that blood vessel wall causes.The point of a knife of cutter hub and tool rest are one, and the thickness of cutter hub is increased to tool rest gradually by point of a knife, such cutter hub at sacculus by having stronger force resistance during blood vessel, stressed more reasonable, not yielding, be more suitable for the pathological changes that some hardness such as cutting calcification are larger.
When reality uses, because the length of cutter hub is long, free bend when sacculus pushes in the blood vessel can be affected, and then affect the propelling movement of sacculus in tortuous blood vessel, so the length of each cutter hub is unsuitable long, reasonably can set the length of cutter hub according to the length of Cutting balloon.Such as, the length of each cutter hub is no more than 2.4 millimeters.
Meanwhile, the cutter hub number on each row that sacculus outer surface is fixed also needs the length according to sacculus, thickness and extent of disease to be cut to arrange, and larger for extent of disease, often row can comprise multiple cutter hub.Here concrete restriction is not done.Under normal circumstances, the external peripheral surface of sacculus 1 is provided with three to four row's cutter hubs 2.Such as, when the diameter of sacculus 1 is less than 3.5 millimeters, the external peripheral surface of sacculus 1 can be provided with three row's cutter hubs 2, and when the diameter of sacculus 1 is more than or equal to 3.5 millimeters, the external peripheral surface of sacculus 1 can be provided with four row's cutter hubs.Often arrange the quantity of the cutter hub 2 in cutter hub depending on the length of sacculus 1,2-6 cutter hub 2 can be provided with under normal circumstances.In this embodiment, the external peripheral surface of sacculus 1 is provided with four row's cutter hubs 2, each row's cutter hub comprises four cutter hubs 2.
In order to make cutter hub 2 and sacculus 1 reliably relative fixing, between cutter hub 2 and sacculus 1, adopt bonding way.Add man-hour, first, by frock, multiple cutter hub 2 is fixed at regular intervals, then cutter hub 2 is sticked on sacculus 1.Preferably, glue can be adopted between cutter hub 2 with sacculus 1 bonding, this glue adopts UV glue, because this material non-toxic, and can harden under ultraviolet light.
Figure 2 shows that the cross-sectional of the cutter hub 2 of Cutting balloon of the present invention, as shown in Figure 2, the tapered structure in cross section of cutter hub, the point of a knife angle of this cutter hub 2 is 18-22 °, to improve the sharpness of cutter hub 2.In addition, by vacuum heat, improve the hardness of cutter hub 2, make the Hardness Control of cutter hub 2 between HV500-580.Because cutter hub 2 has wider tool rest, stressed evenly rationally.So it is not only applicable to the cutting of thrombosis but also is more suitable for the cutting of calcify lesion.
Preferably, be provided with groove in the base bottom of cutter hub 2, after using glue bonding, cutter hub and sacculus bonding plane become match with sacculus cylindrical, the fastness that increase cutter hub is bonding with sacculus, and guarantee cutter hub 2 can not play relative to sacculus 1.
Preferably, between multiple cutter hub 2, there is fixing gap, make sacculus can have the bending of certain angle, ensure that sacculus has cross-country traveling ability.
Preferably, this cutter hub 2 adopts Linear cut molding, reduces the production cost of cutter hub 2, can prevent the margin residual burr at cutter hub 2 and produce risk simultaneously.
The above only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a Cutting balloon, is characterized in that, described Cutting balloon comprises sacculus, and on described sacculus outer surface many rows cutter hub of axial restraint; All space is left between any two cutter hubs;
Described cutter hub comprises point of a knife and tool rest, and described point of a knife and tool rest are one;
The thickness of described cutter hub is increased to tool rest gradually by point of a knife, and cutter hub is directly fixed on described sacculus by tool rest.
2. Cutting balloon according to claim 1, is characterized in that, the length of described cutter hub is less than or equal to 2.4mm.
3. Cutting balloon according to claim 1, is characterized in that, on the outer surface of described sacculus, the cutter hub of axial restraint is 3 rows or 4 rows.
4. Cutting balloon according to claim 1, is characterized in that, described cutter hub is by Linear cut molding.
5. the Cutting balloon according to any one of claim 1-4, is characterized in that, the point of a knife angle of described cutter hub is 18-22 degree.
6. the Cutting balloon according to any one of claim 1-4, is characterized in that, the hardness of described cutter hub is HV500-580.
7. the Cutting balloon according to any one of claim 1-4, is characterized in that, fluted bottom described tool rest.
8. the Cutting balloon according to any one of claim 1-4, is characterized in that, the cross section of described cutter hub is tapered.
9. the Cutting balloon according to any one of claim 1-4, is characterized in that, described cutter hub and sacculus bonding plane become match with sacculus cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305053.9A CN104998341B (en) | 2015-06-05 | 2015-06-05 | A kind of Cutting balloon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305053.9A CN104998341B (en) | 2015-06-05 | 2015-06-05 | A kind of Cutting balloon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104998341A true CN104998341A (en) | 2015-10-28 |
| CN104998341B CN104998341B (en) | 2019-03-05 |
Family
ID=54371367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510305053.9A Active CN104998341B (en) | 2015-06-05 | 2015-06-05 | A kind of Cutting balloon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104998341B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893215A (en) * | 2017-12-11 | 2019-06-18 | 先健科技(深圳)有限公司 | Cutting balloon conduit |
| CN110507385A (en) * | 2019-09-04 | 2019-11-29 | 肖平喜 | A kind of inserted dilating sacculus |
| CN113057719A (en) * | 2019-12-30 | 2021-07-02 | 先健科技(深圳)有限公司 | Balloon catheter |
| CN113058135A (en) * | 2021-03-25 | 2021-07-02 | 哈尔滨医科大学 | Ball bag |
| WO2023087455A1 (en) * | 2021-11-17 | 2023-05-25 | 上海腾复医疗科技有限公司 | Vascular recanalization device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020010489A1 (en) * | 2000-07-24 | 2002-01-24 | Jeffrey Grayzel | Stiffened balloon catheter for dilatation and stenting |
| CN1473058A (en) * | 2001-08-08 | 2004-02-04 | ��Ԩ��ѧ��ҵ��ʽ���� | Expansion catheter |
| US20050149082A1 (en) * | 2003-12-31 | 2005-07-07 | Carl Yee | Microsurgical balloon with protective reinforcement |
| US20060135980A1 (en) * | 2004-12-20 | 2006-06-22 | Scimed Life Systems, Inc. | Balloon with stepped sections and implements |
| US20060149308A1 (en) * | 2004-12-30 | 2006-07-06 | Cook Incorporated | Catheter assembly with plaque cutting balloon |
| CN203564643U (en) * | 2013-09-11 | 2014-04-30 | 乐普（北京）医疗器械股份有限公司 | Cutting balloon |
| CN103877672A (en) * | 2014-03-27 | 2014-06-25 | 北京工业大学 | Double-blade cutting balloon with uneven thickness |
| CN204147401U (en) * | 2014-07-24 | 2015-02-11 | 深圳市金瑞凯利生物科技有限公司 | A kind of foley's tube with spinous process |
| EP2878275A1 (en) * | 2013-11-29 | 2015-06-03 | Cook Medical Technologies LLC | Medical balloon |
-
2015
- 2015-06-05 CN CN201510305053.9A patent/CN104998341B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020010489A1 (en) * | 2000-07-24 | 2002-01-24 | Jeffrey Grayzel | Stiffened balloon catheter for dilatation and stenting |
| CN1473058A (en) * | 2001-08-08 | 2004-02-04 | ��Ԩ��ѧ��ҵ��ʽ���� | Expansion catheter |
| US20050149082A1 (en) * | 2003-12-31 | 2005-07-07 | Carl Yee | Microsurgical balloon with protective reinforcement |
| US20060135980A1 (en) * | 2004-12-20 | 2006-06-22 | Scimed Life Systems, Inc. | Balloon with stepped sections and implements |
| US20060149308A1 (en) * | 2004-12-30 | 2006-07-06 | Cook Incorporated | Catheter assembly with plaque cutting balloon |
| CN203564643U (en) * | 2013-09-11 | 2014-04-30 | 乐普（北京）医疗器械股份有限公司 | Cutting balloon |
| EP2878275A1 (en) * | 2013-11-29 | 2015-06-03 | Cook Medical Technologies LLC | Medical balloon |
| CN103877672A (en) * | 2014-03-27 | 2014-06-25 | 北京工业大学 | Double-blade cutting balloon with uneven thickness |
| CN204147401U (en) * | 2014-07-24 | 2015-02-11 | 深圳市金瑞凯利生物科技有限公司 | A kind of foley's tube with spinous process |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893215A (en) * | 2017-12-11 | 2019-06-18 | 先健科技(深圳)有限公司 | Cutting balloon conduit |
| CN110507385A (en) * | 2019-09-04 | 2019-11-29 | 肖平喜 | A kind of inserted dilating sacculus |
| CN113057719A (en) * | 2019-12-30 | 2021-07-02 | 先健科技(深圳)有限公司 | Balloon catheter |
| CN113057719B (en) * | 2019-12-30 | 2022-05-20 | 先健科技(深圳)有限公司 | Balloon catheter |
| CN113058135A (en) * | 2021-03-25 | 2021-07-02 | 哈尔滨医科大学 | Ball bag |
| WO2023087455A1 (en) * | 2021-11-17 | 2023-05-25 | 上海腾复医疗科技有限公司 | Vascular recanalization device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104998341B (en) | 2019-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104998341A (en) | Cutting balloon | |
| US7011670B2 (en) | Segmented balloon catheter blade | |
| JP6383663B2 (en) | catheter | |
| EP3411089B1 (en) | Suction and irrigation device | |
| CN203564643U (en) | Cutting balloon | |
| TW201922310A (en) | Catheter and catheter kit | |
| CN105722547B (en) | Dilator systems and methods | |
| EP3206603B1 (en) | Fossa ovalis penetration apparatus | |
| WO2008091652A3 (en) | Methods, devices and systems for treatment and/or diagnosis of disorder of the ear, nose and throat | |
| WO2007039902A3 (en) | Vessel treatment devices | |
| SG194094A1 (en) | Microcatheter with distal tip portion and proximal solution lumen | |
| CN107802942B (en) | Medical guide wire | |
| US20060235270A1 (en) | Endoscope with an optical fiber embedded in a flexible sleeve and method for using the same | |
| CN204563263U (en) | The sacculus dilating catheter that a kind of ability of puncture is good | |
| CN104902951A (en) | Catheter | |
| US20110230858A1 (en) | Methods and devices for providing oxygenated blood distal to an obstruction | |
| JP2013162920A (en) | Guide wire | |
| JP2017064067A (en) | Thrombus suction catheter and stylet | |
| US11234731B2 (en) | Access sheath | |
| WO2022253129A1 (en) | Balloon catheter for linear segmentation of gland tissue | |
| CN203861749U (en) | Single guide wire cutting balloon catheter | |
| CN107303191B (en) | Left auricle occluder and manufacturing method thereof | |
| CN202314892U (en) | Device for treating nasosinusitis | |
| CN102579089B (en) | Rotary rubbing device | |
| JP7018398B2 (en) | Catheter and catheter assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |