CN116271455A - Force-gathering expansion saccule for directional breaking vascular calcification lesion - Google Patents
Force-gathering expansion saccule for directional breaking vascular calcification lesion Download PDFInfo
- Publication number
- CN116271455A CN116271455A CN202310575879.1A CN202310575879A CN116271455A CN 116271455 A CN116271455 A CN 116271455A CN 202310575879 A CN202310575879 A CN 202310575879A CN 116271455 A CN116271455 A CN 116271455A
- Authority
- CN
- China
- Prior art keywords
- net
- balloon
- action
- wires
- expansion
- 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
- 230000003902 lesion Effects 0.000 title claims abstract description 28
- 208000005475 Vascular calcification Diseases 0.000 title claims abstract description 9
- 210000005077 saccule Anatomy 0.000 title description 8
- 230000009471 action Effects 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 13
- 230000000452 restraining effect Effects 0.000 claims description 19
- 230000000875 corresponding effect Effects 0.000 claims description 16
- 230000010339 dilation Effects 0.000 claims description 3
- 230000000916 dilatatory effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 208000004434 Calcinosis Diseases 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000002308 calcification Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- 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
- A61B2017/320733—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a flexible cutting or scraping element, e.g. with a whip-like distal filament member
-
- 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
- A61B2017/320741—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions for stripping the intima or the internal plaque from a blood vessel, e.g. for endarterectomy
-
- 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
- A61M25/1002—Balloon catheters characterised by balloon shape
- A61M2025/1004—Balloons with folds, e.g. folded or multifolded
-
- 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
- A61M2025/109—Balloon catheters with special features or adapted for special applications having balloons for removing solid matters, e.g. by grasping or scraping plaque, thrombus or other matters that obstruct the flow
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Child & Adolescent Psychology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a force-gathering expansion balloon for directional breaking vascular calcification lesions, which comprises a catheter, a balloon and an expansion net, wherein the expansion net comprises a first holding net, an action net and a second holding net, when the balloon is in a contracted state, the balloon is wound outside the catheter and is provided with a plurality of folds, the first holding net, the action net and the second holding net are contracted to the same minimum diameter and press the folds of the balloon, the balloon is well passed, the balloon is expanded while being twisted in the process of converting the contracted state into the expanded state, the first holding net and the second holding net are opened in an umbrella shape to be expanded, the action net in the expansion process is only slightly twisted, and then the crushing energy of the action net is focused, so that the energy release is maximized to improve the crushing effect.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a poly-force expanding saccule for directionally crushing vascular calcification lesions.
Background
Chinese patent CN209107491U discloses a cutting saccule, including the inner lumen, the inner lumen passes the saccule main part, and the cutting net cladding is outside the saccule main part, and the both ends of saccule main part and cutting net are all fixed in on the inner lumen through pressing device, and the one end of inner lumen is the pointed end, and the cutting net closely wraps up folding saccule main part income delivery sheath, because the compliance of cutting net, can not harm the normal blood vessel of route of crossing. After reaching the lesion, the cutting net is stretched into a cylinder shape to cut plaque along with the expansion of the balloon main body, and the CN209107491U improves the trafficability of the cutting balloon, so that the cutting balloon can reach the lesion through complex tortuous vessels, and can realize effective cutting and reduce the damage to the vessels.
Although the above-mentioned CN209107491U reduces the radial dimension of the whole balloon in the contracted state by tightly wrapping the cutting net around the folded balloon body to achieve better passing performance of the whole balloon, since the balloon is generally folded by radial contraction, the radial dimension of the cutting net of CN209107491U after tightly wrapping the radially contracted and folded balloon body is not the smallest compared with the wound folded balloon, and thus the passing performance of CN209107491U still needs to be improved, if the CN209107491U adopts the wound folded balloon, the cutting net will inevitably twist while expanding during the opening process of the balloon, and thus the release of the breaking energy of the cutting net will not have a specific direction or will be dispersed, so that the breaking effect of vascular calcification lesions will not be good, and thus the prior art cannot give consideration to both passing performance and breaking effect.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provides a focused expanding balloon for directionally crushing vascular calcification lesions so as to overcome the technical defects pointed out in the background art.
According to the invention, a force-gathering expansion balloon for directional breaking vascular calcification lesions is provided, the force-gathering expansion balloon comprises a catheter, a balloon and an expansion net, the balloon is hermetically sleeved outside the catheter, the balloon is provided with a contracted state when not inflated and an expanded state when inflated, the expansion net is closely sleeved outside the balloon and contracted and expanded along with the contraction of the balloon, the expansion net comprises a first holding net, an action net and a second holding net, the action net is connected between the distal end of the first holding net and the proximal end of the second holding net, the action net is provided with a plurality of cross fixed grids, the proximal end of the first holding net and the distal end of the second holding net are both fixed on the catheter, when the balloon is in the contracted state, the balloon is wound outside the catheter and provided with a plurality of folds, the first holding net, the action net and the second holding net are both contracted to the same minimum diameter and pressed against the folds of the balloon, when the balloon is in the expanded state, the action net is formed into a cylindrical shape, the first holding net and the second holding net is formed into a conical shape, the expansion net is turned over in the first side, and the expansion net is formed into a small side, and the expansion net is twisted in the first side, and the expansion net is only turned over in the expansion state.
Further, when the acting net is in an expanded state, the area of the outer surface of the acting net is S, and the sum of the areas of the grids on the acting net is S1, wherein S1/S is more than or equal to 0.75 and less than or equal to 0.99.
Further, the action net comprises a plurality of action wires, the action wires are all in an arc shape, and the action wires are arranged in a crossed mode and form a crossed fixing structure.
Further, the side of the action wire facing away from the balloon is provided with a tip.
Further, the first holding-down net comprises a plurality of first holding-down wires, the number of the first holding-down wires is consistent with that of the action wires, the plurality of first holding-down wires are all in a straight line shape, the proximal ends of the first holding-down wires are fixedly connected with the catheter, and the distal ends of the first holding-down wires are fixedly connected with the proximal ends of the corresponding action wires.
Further, a bending for further restraining the action wire to twist a small extent is formed between the first traction wire and the corresponding action wire.
Further, an elastic ring is arranged on the catheter, the proximal end of the elastic ring is fixed on the catheter, the distal end of the elastic ring is a free end, and the proximal ends of the plurality of first traction wires are fixedly connected to the distal ends of the elastic ring.
Further, the elastic ring is a conical ring with a small proximal end and a large distal end.
Further, the second holding-down net comprises a plurality of second holding-down wires, the number of the second holding-down wires is consistent with that of the action wires, the plurality of second holding-down wires are all in a straight line shape, the distal ends of the second holding-down wires are fixedly connected with the catheter, and the proximal ends of the second holding-down wires are fixedly connected with the distal ends of the corresponding action wires.
Further, a bending for further restraining the action wire from being twisted by a small margin is formed between the second traction wire and the corresponding action wire.
Compared with the prior art, when the balloon is not used, the balloon is configured to be wound outside the catheter and a plurality of folds are formed, the expansion net is contracted to the same minimum diameter and presses the folds of the balloon, so that the whole balloon has the minimum radial dimension, can reach calcified lesions through complex tortuous vessels, has better trafficability, and when the whole balloon is expanded to crush the vascular calcified lesions, the first and second traction nets of the expansion net are opened in an umbrella shape and expanded and are not twisted, so that the action net of the expansion net can be twisted only slightly in the traction expansion process, and the crushing energy of the action net is focused, thereby realizing the maximum energy release to improve the crushing effect.
Drawings
The invention will be more fully understood and its attendant advantages and features will be more readily understood by reference to the following detailed description, taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic perspective view of a power amplifying balloon according to an embodiment of the present invention in an inflated state.
Fig. 2 is a schematic front view of a force-accumulating dilation balloon of an embodiment of the present invention in an inflated state.
Fig. 3 is a schematic perspective view of the expanded mesh in this embodiment.
Fig. 4 is a schematic left-hand view of the expanded mesh of the present embodiment in an expanded state.
Fig. 5 is a schematic cross-sectional structure of action filaments of the action net in the expanded net in this embodiment.
FIG. 6 is a schematic cross-sectional view of a power expanding balloon according to an embodiment of the present invention in a contracted state.
In the accompanying drawings: 1 is a catheter, 2 is a balloon, 3 is an expansion net, 4 is a first containment net, 5 is an action net, 6 is a second containment net, and 7 is an elastic ring.
It should be noted that the drawings are for illustrating the invention and are not to be construed as limiting the invention. Note that the drawings representing structures may not be drawn to scale. Also, in the drawings, the same or similar elements are denoted by the same or similar reference numerals.
Detailed Description
In order that the invention may be more readily understood, a detailed description of the invention is provided below along with specific embodiments and accompanying figures.
It should be noted that the terms "proximal" and "distal" in the present invention should be understood as referring to "proximal" as viewed from the direction of the attending physician, i.e., corresponding to the "left" as referred to with reference to the drawings, and "distal" as referred to herein, as referring to the end remote from the attending physician, i.e., corresponding to the "right" as referred to with reference to the drawings.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "plurality" as used herein includes two and more.
As shown in fig. 1 to 6, the force-accumulating dilating balloon of the present embodiment comprises a catheter 1, a balloon 2 and a dilating mesh 3, the balloon 2 is hermetically sleeved outside the catheter 1, the balloon 2 is a semi-compliant balloon or a non-compliant balloon and is suitable for breaking calcified lesions of blood vessels, the balloon 2 has a contracted state when not inflated and an expanded state when inflated, the dilating mesh 3 is tightly sleeved outside the balloon 2 and has elasticity and can contract and expand with the contraction of the balloon 2, that is, the dilating mesh 3 is movably coated outside the balloon 2 and can expand under the action of the balloon 2 and automatically contract after the action of the balloon 2 is lost, the dilating mesh 3 comprises a first restraining mesh 4, an action mesh 5 and a second restraining mesh 6, the action mesh 5 is connected between the distal end of the first restraining mesh 4 and the proximal end of the second restraining mesh 6, the action mesh 5 has a plurality of cross-fixed meshes, the cross-fixed grids ensure that the acting net 5 is not easy to excessively twist in the expanding process so as to ensure that the energy for crushing calcified lesions is not lost, and the acting net 5 is not easy to twist when the calcified lesions are crushed, namely the acting net 5 cannot slip between the calcified lesions, the acting net 5 is a part of the expanded net 3 for crushing the vascular calcified lesions, one side of the acting net 5, which faces away from the balloon 2, is provided with a pointed end which is polygonal, particularly triangular, so as to improve the crushing effect, of course, the pointed end can also be trapezoid or diamond, the proximal end of the first holding net 4 and the distal end of the second holding net 6 are fixed on the catheter 1, namely the first holding net 4, the acting net 5 and the second holding net 6 are sequentially connected from the proximal end to the distal end to form the expanded net 3, the balloon 2 is not inflated and is provided with a plurality of folds when in the contracted state, the balloon 2 is wound outside the catheter 1, the first holding-down net 4, the acting net 5 and the second holding-down net 6 are contracted to the same minimum diameter and press the folds of the balloon 2, so that the balloon 2 has the smallest radial dimension as a whole, can reach calcified lesions through complex tortuous vessels, and has good trafficability, when the balloon 2 is inflated and is in an inflated state, the proximal end and the distal end of the balloon 2 are conical, the middle section of the balloon 2 between the proximal end and the distal end is cylindrical, the acting net 5 is formed into a cylinder and is arranged corresponding to the middle section of the balloon 2, the first holding-down net 4 and the second holding-down net 6 are formed into conical shapes and are respectively arranged corresponding to the proximal end and the distal end of the balloon 2, and in the process of converting the balloon 2 from the contracted state to the inflated state, the balloon 2 is wound and forms a plurality of folds in the contracted state, so that the balloon 2 is twisted while being inflated, namely, the balloon 2 is twisted while being inflated, at this time, the acting net 5 is expanded and twisted under the action of the middle section of the balloon 2, although the acting net 5 is not easy to excessively twist in the expansion process due to the cross-fixed grid, the acting net 5 is still likely to be greatly twisted, and the first holding-down net 4 and the second holding-down net 6 are opened in an umbrella shape to expand, namely not twisted, when the balloon 2 is expanded, so that the acting net 5 in the expansion process is held down to be only slightly twisted, and further the crushing energy of the acting net 5 is focused, thereby realizing the maximization of energy release to improve the crushing effect, therefore, the embodiment can wind the balloon 2 into folds to ensure the passing performance of complex lesions, can ensure that the crushing energy of the expanded net 3 is not influenced by the twisting of the folded balloon 2 in the expansion process, breaks through the technical barriers that the trafficability and the crushing effect of the conventional balloon 2 cannot be considered, namely, the embodiment has better trafficability and better calcification lesion crushing effect.
The active net 5 comprises a plurality of active filaments which are arranged crosswise and form a crosswise fixed structure. Correspondingly, the first restraining net 4 comprises a plurality of first restraining wires, the number of the first restraining wires is consistent with that of the acting wires, the proximal ends of the first restraining wires are fixedly connected with the catheter 1, and the distal ends of the first restraining wires are fixedly connected with the proximal ends of the corresponding acting wires. Correspondingly, the second restraining net 6 comprises a plurality of second restraining wires, the number of the second restraining wires is consistent with that of the acting wires, the distal ends of the second restraining wires are fixedly connected with the catheter 1, and the proximal ends of the second restraining wires are fixedly connected with the distal ends of the corresponding acting wires. The first traction wires are all linear, when the balloon 2 is inflated and in an inflated state, the first traction wires are radially and obliquely arranged to form a conical first traction net 4, and similarly, the second traction wires are also all linear, and when the balloon 2 is inflated and in an inflated state, the second traction wires are radially and obliquely arranged to form a conical second traction net 6. The plurality of action wires are all formed in an arc shape, and the plurality of second traction wires and the plurality of first traction wires are approximately symmetrical about the longitudinal axis of the balloon 2, so that each action wire is connected between the first traction wires and the second traction wires which are staggered with each other, and bending for further restraining small torsion of the action wires is formed between the proximal end of the action wire and the corresponding first traction wire and between the distal end of the action wire and the corresponding second traction wire, so that torsion resistance of the action wire in the expansion process can be further improved, and focusing of broken energy of the action wire can be better realized.
In order to achieve that the expansion net 3 is always and tightly sleeved outside the balloon 2, the catheter 1 is provided with the elastic ring 7, the elastic ring 7 has elasticity and can generate deformation compensation, the proximal end of the elastic ring 7 is fixed on the catheter 1, the distal end of the elastic ring 7 is a free end, the elastic ring 7 is formed into a conical ring with small proximal end and large distal end, the proximal ends of the plurality of first traction wires of the first traction net 4 of the expansion net 3 are fixedly connected to the distal end of the elastic ring 7, thus when the balloon 2 is not filled and contracted to the longest extent, the elastic ring 7 is correspondingly and adaptively stretched, and when the balloon 2 is filled and expanded to the shortest extent, the elastic ring 7 is correspondingly and adaptively shortened, so that the whole expansion net 3 can be passively expanded and automatically contracted. When the expanded mesh 3 is in an expanded state, the area of the outer surface of the acting mesh 5 is S, the sum of the areas of the grids on the acting mesh 5 is S1, S1/S is more than or equal to 75 and less than or equal to 0.99, and S1/S in the embodiment is 0.9, so that the acting mesh 5 is not too dense, and the calcified lesions of the whole expanded mesh 3 have better crushing effect. Of course, S1/S may be any value ranging from 0.75 to 0.99, and the larger the value within the range, the better the crushing effect, because when the force of the balloon 2 on the action net 5 is constant, the larger S1/S, the smaller the contact area of the action net 5 with the calcified lesion, and thus the higher the crushing pressure, so as to form a better crushing effect on the calcified lesion.
The force-accumulating dilating balloon of the embodiment is delivered by a delivery system and released at a vascular calcification lesion to break the calcification lesion, and is an interventional instrument. During the delivery process, the balloon 2 is not inflated and is in a contracted state, the balloon 2 in the contracted state is wound outside the catheter 1 and is provided with a plurality of folds, the expanded mesh 3 is contracted and presses the folds of the balloon 2, so that the whole balloon 2 has the smallest radial dimension, can reach calcified lesions through complex tortuous vessels, and does not damage normal vessels passing through paths. After being conveyed in place, the expansion net 3 wrapped with the balloon 2 is just positioned at a calcified lesion, at the moment, the balloon 2 is inflated by inputting a pressure medium into the balloon 2 through the catheter 1, the balloon 2 is inflated under the action of internal pressure, the expansion net 3 is inflated along with the inflation of the balloon and is contacted with and crushed with the calcified lesion, the balloon 2 is repeatedly inflated, the balloon 2 is restored to the original state by sucking the balloon 2 through the negative pressure of the catheter 1 for a plurality of times, the expansion net 3 is linearly and tightly covered on the surface of the balloon 2 along with the disappearance of the inflation pressure of the balloon 2, and finally the force-accumulating expansion balloon is withdrawn.
It will be appreciated that although the invention has been described above in terms of preferred embodiments, the above embodiments are not intended to limit the invention. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art without departing from the scope of the technology, or the technology can be modified to be equivalent. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a directional broken vascular calcification lesion's concentrated force expansion sacculus, includes pipe (1), sacculus (2) and expansion net (3), sacculus (2) sealed cover is established in the outside of pipe (1), sacculus (2) have the shrink state when not filling and the expansion state when filling, expansion net (3) hug closely cover is established in the outside of sacculus (2) to shrink and expand along with sacculus (2) shrink, characterized in that, expansion net (3) include first restriction net (4), effect net (5) and second restriction net (6), effect net (5) connect between the distal end of first restriction net (4) and the proximal end of second restriction net (6), effect net (5) have a plurality of alternately fixed grids, the proximal end of first restriction net (4), the distal end of second restriction net (6) all are fixed on pipe (1), sacculus (2) are in shrink state when shrink, sacculus (2) shrink and expand along with sacculus (2) shrink and expansion, wherein, effect net (5) are formed to the most in the diameter is in first restriction net (4) and second restriction net (6) that the most in the same, effect net (4) is formed to the most in the diameter is in the second restriction net (6), in the process of converting the balloon (2) from the contracted state to the expanded state, the balloon (2) is twisted while being expanded, the first holding-down net (4) and the second holding-down net (6) are opened in an umbrella shape to expand, and the action net (5) in the expansion process is held down to twist only a small extent.
2. The force concentrating and expanding balloon according to claim 1, wherein the area of the outer surface of the acting net (5) is S, the sum of the areas of the grids on the acting net (5) is S1, and S1/S is 0.75-0.99 when the acting net (5) is in an inflated state.
3. A force concentrating and expanding balloon according to claim 1, wherein the action net (5) comprises a plurality of action wires, each of the plurality of action wires being formed in an arc shape, the plurality of action wires being arranged crosswise and forming a crosswise fixed structure.
4. A force-accumulating dilation balloon according to claim 3, characterized in that the side of the action wire facing away from the balloon (2) has a tip.
5. A force concentrating and expanding balloon according to claim 3, wherein the first restraining net (4) comprises a plurality of first traction wires, the number of which is consistent with that of the action wires, the plurality of first traction wires are all formed in a straight line shape, the proximal ends of the first traction wires are fixedly connected with the catheter (1), and the distal ends of the first traction wires are fixedly connected with the proximal ends of the corresponding action wires.
6. The focused force expanding balloon of claim 5, wherein a bend is formed between the first pulling wire and the corresponding action wire for further pulling on the small twist of the action wire.
7. The force concentrating and expanding balloon according to claim 5, wherein the catheter (1) is provided with an elastic ring (7), the proximal end of the elastic ring (7) is fixed on the catheter (1), the distal end of the elastic ring (7) is a free end, and the proximal ends of the plurality of first traction wires are fixedly connected to the distal ends of the elastic ring (7).
8. A force concentrating dilation balloon according to claim 7, wherein the elastic ring (7) is a tapered ring with a small proximal end and a large distal end.
9. A force concentrating and expanding balloon according to claim 3, wherein the second restraining net (6) comprises a plurality of second traction wires, the number of which corresponds to the number of action wires, the plurality of second traction wires are each formed in a straight line, the distal ends of the second traction wires are fixedly connected with the catheter (1), and the proximal ends of the second traction wires are fixedly connected with the distal ends of the corresponding action wires.
10. The focused force expanding balloon of claim 9, wherein bends for further pulling on the small torsion of the action wire are formed between the second pulling wire and the corresponding action wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310575879.1A CN116271455B (en) | 2023-05-22 | 2023-05-22 | Force-gathering expansion saccule for directional breaking vascular calcification lesion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310575879.1A CN116271455B (en) | 2023-05-22 | 2023-05-22 | Force-gathering expansion saccule for directional breaking vascular calcification lesion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116271455A true CN116271455A (en) | 2023-06-23 |
| CN116271455B CN116271455B (en) | 2023-08-01 |
Family
ID=86826206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310575879.1A Active CN116271455B (en) | 2023-05-22 | 2023-05-22 | Force-gathering expansion saccule for directional breaking vascular calcification lesion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116271455B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005323702A (en) * | 2004-05-13 | 2005-11-24 | Asahi Intecc Co Ltd | Medical treatment instrument |
| US20060259005A1 (en) * | 2005-05-11 | 2006-11-16 | Angioscore, Inc. | Methods and systems for delivering substances into luminal walls |
| US20110152905A1 (en) * | 2009-12-22 | 2011-06-23 | Cook Incorporated | Balloon with scoring member |
| CN107550610A (en) * | 2017-09-25 | 2018-01-09 | 杭州巴泰医疗器械有限公司 | A kind of blood vessel expansion appliance of the high intensity tie bracket and application of non-built-in mode the foley's tube tie bracket |
| CN209107491U (en) * | 2017-11-07 | 2019-07-16 | 上海形状记忆合金材料有限公司 | A kind of Cutting balloon |
| CN111194195A (en) * | 2017-10-18 | 2020-05-22 | 百多力股份公司 | Balloon catheter-stent device |
| CN111528986A (en) * | 2020-05-12 | 2020-08-14 | 杭州巴泰医疗器械有限公司 | Cutting-reinforced balloon assembly and balloon catheter system |
| CN112472228A (en) * | 2020-12-03 | 2021-03-12 | 广东博迈医疗器械有限公司 | Calcified plaque cutting balloon |
| CN113057717A (en) * | 2019-12-30 | 2021-07-02 | 先健科技(深圳)有限公司 | Balloon catheter |
| CN113951976A (en) * | 2021-11-17 | 2022-01-21 | 上海腾复医疗科技有限公司 | Vascular opening device |
| CN217138954U (en) * | 2021-12-24 | 2022-08-09 | 上海博畅医疗科技有限公司 | Balloon catheter |
| CN115568907A (en) * | 2022-09-17 | 2023-01-06 | 上海腾复医疗科技有限公司 | Vascular opening device |
-
2023
- 2023-05-22 CN CN202310575879.1A patent/CN116271455B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005323702A (en) * | 2004-05-13 | 2005-11-24 | Asahi Intecc Co Ltd | Medical treatment instrument |
| US20060259005A1 (en) * | 2005-05-11 | 2006-11-16 | Angioscore, Inc. | Methods and systems for delivering substances into luminal walls |
| US20110152905A1 (en) * | 2009-12-22 | 2011-06-23 | Cook Incorporated | Balloon with scoring member |
| CN107550610A (en) * | 2017-09-25 | 2018-01-09 | 杭州巴泰医疗器械有限公司 | A kind of blood vessel expansion appliance of the high intensity tie bracket and application of non-built-in mode the foley's tube tie bracket |
| CN111194195A (en) * | 2017-10-18 | 2020-05-22 | 百多力股份公司 | Balloon catheter-stent device |
| CN209107491U (en) * | 2017-11-07 | 2019-07-16 | 上海形状记忆合金材料有限公司 | A kind of Cutting balloon |
| CN113057717A (en) * | 2019-12-30 | 2021-07-02 | 先健科技(深圳)有限公司 | Balloon catheter |
| CN111528986A (en) * | 2020-05-12 | 2020-08-14 | 杭州巴泰医疗器械有限公司 | Cutting-reinforced balloon assembly and balloon catheter system |
| CN112472228A (en) * | 2020-12-03 | 2021-03-12 | 广东博迈医疗器械有限公司 | Calcified plaque cutting balloon |
| CN113951976A (en) * | 2021-11-17 | 2022-01-21 | 上海腾复医疗科技有限公司 | Vascular opening device |
| CN217138954U (en) * | 2021-12-24 | 2022-08-09 | 上海博畅医疗科技有限公司 | Balloon catheter |
| CN115568907A (en) * | 2022-09-17 | 2023-01-06 | 上海腾复医疗科技有限公司 | Vascular opening device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116271455B (en) | 2023-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6402761B2 (en) | Retrieval device made of precursor alloy cable | |
| EP3003193B1 (en) | Devices for delivering energy | |
| EP1465537A2 (en) | Device for the removal of obstructions in anatomical lumens | |
| WO2022022223A1 (en) | Blood vessel dredging and cleaning device | |
| CN111388056A (en) | Bolt taking support with barbs arranged at cross positions of silk screens | |
| CN116271455B (en) | Force-gathering expansion saccule for directional breaking vascular calcification lesion | |
| CN109452992B (en) | Ostomy appliance | |
| CN101449986B (en) | Obturator of aorta ductus arteriosus | |
| CN111671495A (en) | Take and to strengthen getting of barb of catching power and tie support | |
| CN116328163B (en) | Spinous process balloon capable of avoiding spinous process wire entanglement | |
| CN208926509U (en) | It is a kind of to take the dedicated sacculus of stone for Biliary Calculi disease | |
| CN116271454B (en) | Antiskid gather power expansion sacculus system | |
| CN212281525U (en) | Bolt taking support with barbs arranged at cross positions of silk screens | |
| CN116271457B (en) | Force-gathering expansion balloon and force-gathering expansion balloon system | |
| CN216824453U (en) | Recoverable temporary interventional instrument | |
| CN202776397U (en) | Loop apparatus for interventional treatment of congenital heart diseases | |
| CN212347423U (en) | Guidewire with high recoverability | |
| WO2023051257A1 (en) | Thrombectomy apparatus | |
| CN215584488U (en) | Guide wire and urethral stent tube for ureterotomy stone extraction | |
| CN209252799U (en) | A kind of reducing brain fistulization nerve endoscope service aisle | |
| CN207400765U (en) | A kind of structure improved incision expander and its snap ring | |
| CN111420248A (en) | Elastic balloon recovery device | |
| CN111528993A (en) | Appendix calculus removal basket | |
| CN102029011A (en) | Anus dilatation device for surgical operation | |
| CN115869040A (en) | Thrombus extraction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |