CN109173016A - A kind of medicinal balloon catheter and balloon-system - Google Patents
A kind of medicinal balloon catheter and balloon-system Download PDFInfo
- Publication number
- CN109173016A CN109173016A CN201810865618.2A CN201810865618A CN109173016A CN 109173016 A CN109173016 A CN 109173016A CN 201810865618 A CN201810865618 A CN 201810865618A CN 109173016 A CN109173016 A CN 109173016A
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- Prior art keywords
- protection
- sheath
- sacculus
- avulsion
- protection sheath
- Prior art date
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- 239000003814 drug Substances 0.000 claims abstract description 99
- 229940079593 drug Drugs 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000001225 therapeutic effect Effects 0.000 abstract description 7
- 230000003902 lesion Effects 0.000 description 15
- 210000004204 blood vessel Anatomy 0.000 description 14
- 230000002792 vascular Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 201000006828 endometrial hyperplasia Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229930012538 Paclitaxel Natural products 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229960001592 paclitaxel Drugs 0.000 description 2
- 208000037803 restenosis Diseases 0.000 description 2
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 description 2
- 206010061623 Adverse drug reaction Diseases 0.000 description 1
- 201000001320 Atherosclerosis Diseases 0.000 description 1
- 208000030453 Drug-Related Side Effects and Adverse reaction Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001028 anti-proliverative effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000857 drug effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
-
- 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
- A61M2025/105—Balloon catheters with special features or adapted for special applications having a balloon suitable for drug delivery, e.g. by using holes for delivery, drug coating or membranes
Abstract
The present invention provides a kind of medicinal balloon catheter and balloon-systems, are related to the field of medical instrument technology.The medicinal balloon catheter includes medicine ball catheter body and protection sheath；The protection sheath is wrapped on the outer surface of the medicine ball catheter body；The protection sheath can be deviate from from the medicine ball catheter body.The balloon-system includes said medicine foley's tube.The present invention solves in medicinal balloon catheter existing in the prior art that Drug bioavailability is low, the technical problem of therapeutic effect difference.
Description
Technical field
The present invention relates to the field of medical instrument technology, more particularly, to a kind of medicinal balloon catheter and balloon-system.
Background technique
The disease incidence of hemadostewnosis or occlusion that atherosclerosis causes increases year by year, even if in bracket for eluting medicament
(DES) commonly used epoch, the lesion vessels or in-stent restenosis that long-term postoperative causes by endometrial hyperplasia cause the state of an illness anti-
Multiple is always a great problem for perplexing clinician.In recent years, the appearance of medicine-coated balloon (DCB) is to prevent lumen restenosis
Provide a kind for the treatment of method of relative efficiency.It is coated with anti-proliferative drug taxol identical with DES in sacculus outer surface
(Paclitaxel), drug effect can be retained to the quick absorption of drug and for a long time by vascular tissue, it is comparable with DES to reach
The effect of anti-endometrial hyperplasia, while avoiding the complication of DES initiation (endometrial hyperplasia in such as thrombus in stents, bracket, bracket are disconnected
It splits).
During design medicine coating foley's tube, the characteristic of foley's tube itself is not only considered, it is closer
In conjunction with application of the drug coated balloon catheter in actual operation.It is up to medicinal balloon catheter so that the elder generation listed domestic at present is auspicious
Example, after the connector of medicinal balloon catheter is accessed blood vessel, medicinal balloon catheter is entered by the position of connector, in guide wire
On the position for reaching target lesion under guide function, then dilating sacculus, so that the drug release on sacculus, and infiltrate and arrive vascular wall
It is interior.In said medicine transmission process, after medicinal balloon catheter is entered by connector, since a part of medicine can be lost in the presence of friction
Object；During reaching target lesion position under the guide function of guide wire, a part of drug caused by also being washed away because of blood flow
It is lost；After balloon expandable, there are still losses for the drug in balloon surface, can finally be coated on the drug being utilized on vascular wall
And it is few, influence therapeutic effect.Accordingly, it is considered to the drug loss rate of the above process be arrived, in the manufacturing process of medicine-coated balloon
In, it has to increase sacculus drugloading rate.And accompanying problem is that, mistake drug is washed away by blood flow on sacculus remains in body
It is interior, undesirably increase the risk of adverse drug reaction.Therefore, medicine-coated balloon using maximum difficult point is exactly at present
The sacculus for carrying upper certain drug how is set to reduce loss to the greatest extent during conveying, to reach higher Drug bioavailability
And therapeutic effect reduces the residual of drug in vivo as far as possible simultaneously.
Based on this, the present invention provides a kind of medicinal balloon catheters and balloon-system to solve above-mentioned technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of medicinal balloon catheters, are led with solving medicinal balloon existing in the prior art
Drug bioavailability is low in pipe, the technical problem of therapeutic effect difference.
The object of the invention is also to provide a kind of balloon-system, the balloon-system includes that said medicine sacculus is led
Pipe, the technical problem of therapeutic effect difference low for solving Drug bioavailability in medicinal balloon catheter.
Based on above-mentioned first purpose, the present invention provides a kind of medicinal balloon catheters, including medicine ball catheter body and protection
Sheath；
The protection sheath is wrapped on the outer surface of the medicine ball catheter body；The protection sheath can be led from the medicine ball
Deviate from tube body.
Optionally, said medicine foley's tube further includes avulsion structure；
The avulsion structure is for coming out the protection sheath from avulsion in the medicine ball catheter body.
Optionally, said medicine foley's tube, the avulsion structure are the length direction setting along the protection sheath
First avulsion line.
Optionally, said medicine foley's tube, the medicine ball catheter body include catheter shaft and are arranged on catheter shaft
Inflatable sacculus；
The protection sheath includes the first protection portion and the second protection portion；First protection portion wraps up the appearance of the sacculus
Face；Second protection portion wraps up the outer surface of the catheter shaft Yu the sacculus end link position.
Optionally, said medicine foley's tube is provided with a plurality of second avulsion line in first protection portion；
The every second avulsion line is arranged each along the length direction of the protection sheath；The a plurality of second avulsion line edge
First protection portion circumferentially.
Optionally, said medicine foley's tube, one end of second protection portion is connect with first protection portion, another
End is fixedly connected with the catheter shaft.
Optionally, said medicine foley's tube is provided with scale on the protection sheath.
Optionally, said medicine foley's tube, it is described protection sheath outer surface on be provided with hydrophilic coating.
Optionally, said medicine foley's tube, the protection sheath are degradable film.
Based on above-mentioned second purpose, the present invention provides a kind of balloon-system, the balloon-system includes the drug
Foley's tube.
The medicinal balloon catheter provided by the invention, including medicine ball catheter body and protection sheath；The protection sheath package
On the outer surface of the medicine ball catheter body；The protection sheath can be deviate from from the medicine ball catheter body.Of the invention
Medicine ball catheter body is wrapped up by protection sheath, after the sacculus in medicine ball catheter body reaches target lesion position, is first torn and is protected sheath,
Expose the sacculus in medicine ball catheter body, gives inflated immediately after, the drug release on sacculus will be attached into blood vessel.
Continue to tear within the waiting period of medicine ball expansion and protects sheath until all withdrawing from external.Protection sheath effectively prevent the drug on sacculus
The drug wastage occurred during reaching target lesion position when entering blood vessel and by guiding tube improves the biology benefit of drug
With rate.
The medicinal balloon device provided by the invention, includes said medicine foley's tube, therefore has said medicine
All advantages of foley's tube.
Based on this, the present invention has the advantages that improve the bioavailability of drug compared with original technology.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the first state of medicinal balloon catheter provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of second of state of medicinal balloon catheter provided in an embodiment of the present invention；
Fig. 4 is to protect a kind of package mode of sheath in medicinal balloon catheter provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram that sheath is protected in medicinal balloon catheter provided in an embodiment of the present invention.
Icon: 100- protects sheath；101- the first avulsion line；The first protection portion of 102-；The second protection portion of 103-；104- second
Avulsion line；200- medicine ball catheter body；201- catheter shaft；202- sacculus.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Embodiment one
Fig. 1 is the structural schematic diagram of the first state of medicinal balloon catheter provided in an embodiment of the present invention；Fig. 2 is Fig. 1's
Cross-sectional view；Fig. 3 is the structural schematic diagram of second of state of medicinal balloon catheter provided in an embodiment of the present invention.
A kind of medicinal balloon catheter is provided in the present embodiment, and the medicinal balloon catheter includes medicine ball catheter body
200 and protection sheath 100；
The protection sheath 100 is wrapped on the outer surface of the medicine ball catheter body 200；The protection sheath 100 can be from
Deviate from the medicine ball catheter body 200.
The medicinal balloon catheter provided by the invention, medicine ball catheter body 200 are wrapped up by protection sheath 100, and medicine ball is led
After sacculus 202 on tube body 200 reaches target lesion position, first tears in one end far from sacculus and extract protection sheath 100, with
Expose the sacculus 202 in medicine ball catheter body 200, is then inflated to sacculus 202, so that the drug being attached on sacculus 202 be released
It is put into blood vessel.Within the waiting time of inflated, continue to tear and pull protection sheath until withdrawing from completely external.Protect sheath
What 100 drugs effectivelying prevent on sacculus 202 occurred during reaching target lesion position when entering blood vessel and by guiding tube
Drug wastage improves the bioavailability of drug.
Based on this, the present invention has the advantages that improve the bioavailability of drug compared with original technology.
It further include avulsion structure in the optinal plan of the present embodiment；
The avulsion structure is for coming out the protection sheath 100 from avulsion in the medicine ball catheter body 200.
Sacculus 202 on medicinal balloon catheter needs to expand and discharges drug when reaching target lesion position, therefore, protects sheath
100 need to remove before sacculus 202 is expanded or sacculus 202 expand tension enable to protection sheath 100 rupture, will
Drug on sacculus 202 is successfully discharged into target lesion position, reduces drug wastage, improves therapeutic effect.
In the above-mentioned technical solutions, further, the avulsion structure is to set along the length direction of the protection sheath 100
The the first avulsion line 101 set.
As shown in Figure 1, Figure 2 and Figure 3, protection sheath 100 is wrapped up by wherein one end of medicine ball catheter body 200 to the other end,
Therefore, the first avulsion line 101 also extends to the other end by wherein one end of medicine ball catheter body 200.The tool of first avulsion line 101
Body structure is multiple spaced long holes, and the center line of each long hole length direction constitutes the center of the first avulsion line 101
Line.First avulsion line 101 makes that the bonding strength of sheath 100 in the position is protected to substantially reduce, when removing protection sheath 100, slightly
The structure of the first avulsion line 101 just can be destroyed to the power of a tear-off, to expose sacculus 202, sheath will be protected by continuing tear-off
100 take out from blood vessel.
In the above-mentioned technical solutions, further, scale is provided on the protection sheath 100.
Specifically, the scale is mark point corresponding with length of balloon, effect is to determine that protection 100 head end of sheath is dropped back
Length, i.e., when protection sheath is torn to mark point, the protection sheath for representing package balloon position is withdrawn from completely, and sacculus is fully exposed to body
It is interior, it can be inflated immediately.
In the above-mentioned technical solutions, further, the outer surface of the protection sheath 100 is hydrophilic coating.
Medicinal balloon catheter since entering blood vessel until the position for reaching target lesion needs very long a certain distance, and drug
The movement of foley's tube in the blood vessel inevitably can generate friction with vascular wall, bring resistance to the advance of medicinal balloon catheter, very
Vascular wall can extremely be damaged.Therefore, the present embodiment provides medicinal balloon catheters is provided with hydrophilic coating on the surface of protection sheath 100,
It can be effectively reduced the resistance of medicinal balloon catheter advance, protection vascular wall is injury-free.
Embodiment two
Fig. 4 is to protect a kind of package mode of sheath 100 in medicinal balloon catheter provided in an embodiment of the present invention；Fig. 5 is this
The structural schematic diagram of sheath 100 is protected in the medicinal balloon catheter that inventive embodiments provide.
As shown in figure 4, providing a kind of medicinal balloon catheter in the present embodiment, the medicinal balloon catheter includes medicine ball
Catheter body 200 and protection sheath 100；
The protection sheath 100 is wrapped on the outer surface of the medicine ball catheter body 200；The protection sheath 100 can be from
Deviate from the medicine ball catheter body 200.
The medicinal balloon catheter provided by the invention, medicine ball catheter body 200 are wrapped up by protection sheath 100, and medicine ball is led
It after sacculus 202 on tube body 200 reaches target lesion position, first tears and protects sheath 100, expose in medicine ball catheter body 200
Then sacculus 202 is inflated to sacculus 202, will be attached to the drug release on sacculus 202 into blood vessel.Protect sheath 100 effectively anti-
The drug wastage occurred during only the drug on sacculus 202 reaches target lesion position when entering blood vessel and by guiding tube,
Improve the bioavailability of drug.
Based on this, the present invention has the advantages that improve the bioavailability of drug compared with original technology.
As shown in figure 5, further including avulsion structure in the optinal plan of the present embodiment；
The avulsion structure is for coming out the protection sheath 100 from avulsion in the medicine ball catheter body 200.
Sacculus 202 on medicinal balloon catheter needs to expand and discharges drug when reaching target lesion position, therefore, protects sheath
100 need to remove before sacculus 202 is expanded or sacculus 202 expand tension enable to protection sheath 100 rupture, will
Drug on sacculus 202 is successfully discharged into target lesion position, reduces drug wastage, improves therapeutic effect.
In the above-mentioned technical solutions, further, the medicine ball catheter body 200 includes that catheter shaft 201 and setting are being led
Inflatable sacculus 202 on pipe axis 201；
The protection sheath 100 includes the first protection portion 102 and the second protection portion 103；First protection portion 102 wraps up institute
State the outer surface of medicinal balloon 202；Second protection portion 103 is wrapped up the catheter shaft 201 and is connect with 202 end of sacculus
The outer surface of position.
Mainly protect sheath 100 main on sacculus 202, in the present embodiment in the medicament-carried position of medicine ball catheter body 200
Wrap up sacculus 202, including the first protection portion 102 and the second protection portion 103, wherein the first protection portion 102 wraps up sacculus 202
Outer surface, the outer surface that the second protection portion 103 package catheter shaft 201 is connect with 202 end of sacculus, to prevent drug from sacculus
202 end is lost, and the specific structure is shown in FIG. 3.
In the above-mentioned technical solutions, further, one end of second protection portion 103 and first protection portion 102
Connection, the other end are fixedly connected with the catheter shaft 201.
In the above-mentioned technical solutions, further, a plurality of second avulsion line 104 is provided in first protection portion 102；
The every second avulsion line 104 is arranged each along the length direction of the protection sheath 100；A plurality of described second tears
Off-line 104 along first protection portion 102 circumferentially.
In this example, the first protection portion 102 is an integral structure with the second protection portion 103, and the second protection portion 103 is far from sacculus
202 one end is fixedly connected with catheter shaft 201.Since the tool of sacculus 202 is there are two end, the second guarantor is provided on two ends
Shield portion 103, therefore the one end of the second protection portion 103 far from sacculus 202 is fixedly connected with catheter shaft 201 and two kinds of situations occurs: the
One is only one one end of the second protection portion 103 far from sacculus 202 in two the second protection portion 103 and catheter shaft 201 are solid
Fixed connection；Second is that two second one end of protection portion 103 far from sacculus 202 are fixedly connected with catheter shaft 201.
For the structure of the first protection sheath 100, avulsion structure can be using the knot of the first avulsion line 101 in embodiment one
Structure, protection sheath 100 reach dilating sacculus 202 behind target lesion position, expanded by sacculus 202 without removing before expansion
Power destroys the first avulsion line 101, exposes sacculus 202 to realize and releases medicine in blood vessel.Since protection sheath 100 is separate
One end of sacculus 202 is fixed on catheter shaft 201, and the other end will not be directly entered in blood vessel after destroying, and finally follows conduit
Axis 201 is withdrawn from.It is emphasized that in the present solution, the quantity of the first avulsion line 101 can be one, it can also be to be a plurality of, setting
The bonding strength of tension and the first avulsion line 101 expanded according to sacculus 202 of quantity determine.
The structure of sheath 100 is protected for second, the second avulsion line is arranged on the outer surface of protection sheath 100 in the present embodiment
104.The quantity of second avulsion line 104 at least two: first length directions along the protection sheath 100 are arranged；Second
Item is arranged along the circumferential of protection sheath 100.When the second avulsion line 104 is a plurality of, a week along protection sheath 100 is only needed to have
To setting, remaining a plurality of second avulsion line 104 is arranged each along the length direction of the protection sheath 100.After sacculus 202 is expanded,
Tension will destroy each the second avulsion of item line 104, and catheter shaft due to two second one end of protection portion 103 far from sacculus 202
201 are fixedly connected, and protection sheath 100 will not be directly entered blood vessel after destroying, and finally catheter shaft 201 can be followed to withdraw from.
In the optinal plan of the present embodiment, the protection sheath 100 is degradation material.
Protection sheath 100, which follows conduit to withdraw from, there will still likely be the possibility that friction is generated with vascular wall, protect in the present embodiment
Sheath 100 can choose the medicative protective film of tool, which can degrade after being ruptured, avoid protection sheath 100 in blood vessel
Middle generation obstruction rubs with vascular wall, while can also make up the dose lost after sacculus 202 is expanded.
Embodiment three
This embodiment offers a kind of balloon-system, the balloon-system includes connector and embodiment one or implements
The medicinal balloon catheter in example two.
Connector is arranged on one of end of catheter shaft 201, and when use is fixed on the mobile road of medicinal balloon catheter
The start position of diameter.Since the balloon-system that this example provides includes the medicinal balloon catheter in embodiment one or embodiment two,
Therefore have the advantages that all of medicinal balloon catheter in embodiment one or embodiment two.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of medicinal balloon catheter, which is characterized in that including medicine ball catheter body and protection sheath；
The protection sheath is wrapped on the outer surface of the medicine ball catheter body；The protection sheath can be from the medicine ball conduit sheet
Deviate from body.
2. medicinal balloon catheter according to claim 1, which is characterized in that further include avulsion structure；
The avulsion structure is for coming out the protection sheath from avulsion in the medicine ball catheter body.
3. medicinal balloon catheter according to claim 2, which is characterized in that the avulsion structure is along the protection sheath
Length direction setting the first avulsion line.
4. medicinal balloon catheter according to claim 2, which is characterized in that the medicine ball catheter body include catheter shaft and
Inflatable sacculus on catheter shaft is set；
The protection sheath includes the first protection portion and the second protection portion；First protection portion wraps up the outer surface of the sacculus；
Second protection portion wraps up the outer surface of the catheter shaft Yu the sacculus end link position.
5. medicinal balloon catheter according to claim 4, which is characterized in that be provided with a plurality of in first protection portion
Two avulsion lines；
The every second avulsion line is arranged each along the length direction of the protection sheath；The a plurality of second avulsion line is along institute
State the first protection portion circumferentially.
6. medicinal balloon catheter according to claim 5, which is characterized in that one end of second protection portion and described the
The connection of one protection portion, the other end are fixedly connected with the catheter shaft.
7. medicinal balloon catheter according to claim 1, which is characterized in that be provided with scale on the protection sheath.
8. medicinal balloon catheter according to claim 1, which is characterized in that be provided with parent on the outer surface of the protection sheath
Water coating.
9. medicinal balloon catheter according to claim 1, which is characterized in that the protection sheath is degradable film.
10. a kind of balloon-system, which is characterized in that the balloon-system includes such as the described in any item drugs of claim 1-9
Foley's tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865618.2A CN109173016A (en) | 2018-08-01 | 2018-08-01 | A kind of medicinal balloon catheter and balloon-system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810865618.2A CN109173016A (en) | 2018-08-01 | 2018-08-01 | A kind of medicinal balloon catheter and balloon-system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109173016A true CN109173016A (en) | 2019-01-11 |
Family
ID=64920341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810865618.2A Pending CN109173016A (en) | 2018-08-01 | 2018-08-01 | A kind of medicinal balloon catheter and balloon-system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109173016A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893446A (en) * | 2021-10-11 | 2022-01-07 | 武汉威润八方医疗科技有限公司 | Drug-coated balloon catheter and system |
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2018
- 2018-08-01 CN CN201810865618.2A patent/CN109173016A/en active Pending
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|---|---|---|---|---|
| US5195978A (en) * | 1991-12-11 | 1993-03-23 | Baxter International Inc. | Rapid exchange over-the-wire catheter with breakaway feature |
| US20050159645A1 (en) * | 2003-11-12 | 2005-07-21 | Bertolero Arthur A. | Balloon catheter sheath |
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| JP2018068724A (en) * | 2016-10-31 | 2018-05-10 | 株式会社カネカ | Balloon catheter |
| WO2018121352A1 (en) * | 2016-12-30 | 2018-07-05 | 先健科技(深圳)有限公司 | Drug-loading instrument and preparation method therefor |
| CN209108380U (en) * | 2018-08-01 | 2019-07-16 | 中国医学科学院北京协和医院 | A kind of medicinal balloon catheter and balloon-system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893446A (en) * | 2021-10-11 | 2022-01-07 | 武汉威润八方医疗科技有限公司 | Drug-coated balloon catheter and system |
| CN113893446B (en) * | 2021-10-11 | 2023-04-14 | 武汉威润八方医疗科技有限公司 | Drug-coated balloon catheter and system |
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