CN110681033A - Balloon protective sleeve and mounting method thereof - Google Patents
Balloon protective sleeve and mounting method thereof Download PDFInfo
- Publication number
- CN110681033A CN110681033A CN201910996229.8A CN201910996229A CN110681033A CN 110681033 A CN110681033 A CN 110681033A CN 201910996229 A CN201910996229 A CN 201910996229A CN 110681033 A CN110681033 A CN 110681033A
- Authority
- CN
- China
- Prior art keywords
- inner tube
- pipe
- tube
- balloon
- crack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 210000005077 saccule Anatomy 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 12
- 229940079593 drug Drugs 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 208000010392 Bone Fractures Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000003044 Closed Fractures Diseases 0.000 description 1
- 208000018262 Peripheral vascular disease Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000026106 cerebrovascular disease Diseases 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007334 memory performance Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 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
- A61M25/1027—Making of 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
- A61M25/0009—Making of catheters or other medical or surgical tubes
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a balloon protective sleeve and an installation method thereof, wherein the balloon protective sleeve comprises an inner tube and an outer tube, the inner tube is matched with a balloon, and the outer tube is sleeved on the periphery of the inner tube; the side wall of the inner pipe is provided with a crack, the crack penetrates through the side wall of the inner pipe, the length of the crack in the axial direction of the inner pipe is equal to the length of the inner pipe, and the inner wall of the inner pipe is of a smooth structure; the outer pipe is shrunk and coated on the periphery of the inner pipe, the inner wall of the outer pipe is of a smooth structure, the inner pipe is made of elastic materials, the crack is closed when the inner pipe is in a restrained state, the inner pipe is in a complete tubular shape and is coated on the surface of the balloon, and the inner pipe is in a natural state and is in clearance fit with the balloon; the outer pipe is shrunk and coated on the periphery of the inner pipe to enable the inner pipe to be in a restrained state. The invention can reduce the loss of the medicine coated on the surface of the saccule, protect the surface of the saccule and facilitate the use in the operation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a balloon protective sleeve and an installation method thereof.
Background
Cardiovascular and cerebrovascular diseases and peripheral vascular diseases are the diseases with the highest global morbidity, the interventional therapy of the drug eluting balloon catheter becomes the most common treatment mode, and the drug eluting balloon needs a protective tube to protect the balloon in the packaging process, so that the balloon is prevented from being scratched and adhered with foreign matters or the memory performance of the balloon is kept, and the balloon is completely folded. At present, mainly adopt the protective sheath to protect the sacculus, but the sacculus protective sheath can lead to the loss of coating medicine because of the friction when sheatheeing in and taking off, this kind of loss is uncontrollable usually, can lead to the stability of technology to cause the influence, thereby lead to medicine elution sacculus after getting into the human body, its surperficial medicine is not enough in reaching treatment, thereby reduce the treatment curative effect, and simultaneously, protective sheath and sacculus friction also are a damage, probably lead to the sacculus to be destroyed, thereby probably cause the medical accident.
Disclosure of Invention
The invention aims to provide a balloon protective sleeve which can reduce the loss of medicine coated on the surface of a balloon, protect the surface of the balloon and facilitate the use in the operation.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a balloon protective sleeve which comprises an inner tube and an outer tube, wherein the inner tube is matched with a balloon, and the outer tube is sleeved on the periphery of the inner tube;
the side wall of the inner tube is provided with a crack which penetrates through the side wall of the inner tube, the length of the crack in the axial direction of the inner tube is equal to the length of the inner tube, the inner wall of the inner tube is of a smooth structure, the inner tube is made of elastic material,
the inner tube is in a constrained state, the crack is closed, the inner tube is in a complete tube shape and is coated on the surface of the saccule,
the inner tube is in a natural state, and the inner tube is in clearance fit with the balloon;
the outer tube shrink cladding makes the inner tube be in the restraint state in the inner tube periphery, and the outer tube inner wall is smooth structure.
Preferably, the outer tube lateral wall is the strip including easily tearing the portion, easily tearing the portion length direction and being on a parallel with the outer tube axial, and two long limits that easily tear the portion are weak connection outer tube lateral wall respectively.
Preferably, the outer tube is a heat shrinkable tube, or the outer tube is a plastic material.
Preferably, the length of the inner tube is 1.1-1.5 times of the length of the saccule, the diameter of the inner tube is 2-9 mm, the length of the outer tube is 1.1-1.5 times of the length of the inner tube, and the diameter of the outer tube is 1.1-1.5 times of the diameter of the inner tube.
Preferably, the fracture is "S" shaped.
Preferably, the inner tube is in a constrained state and the two sides of the fracture are lapped and closed.
Preferably, the edges of the inner walls of the two ends of the inner tube are in a chamfer structure.
The invention also discloses an installation method of the balloon protective sleeve, which is characterized by comprising the following steps:
a. folding the saccule and sleeving the saccule on the steel needle;
b. after the crack is expanded by using the expansion device, sleeving the inner tube on the balloon, and loosening the expansion device;
c. sleeving the outer pipe on the periphery of the inner pipe;
d. and (3) shrinking the molding outer pipe to enable the outer pipe to coat the inner pipe, so that the inner pipe is in a constraint state.
Preferably, in the step d, the outer tube is a heat-shrinkable tube, and the heat is applied to satisfy the shrink-packing function of the outer tube.
Preferably, in step d, the outer tube is made of a plastic material, and the outer tube is shaped by using mechanical pressurization to meet the shrink-wrapping function of the outer tube.
The invention has the beneficial effects that:
1. the balloon insertion device is provided with the inner tube and the outer tube, and the inner tube is designed to be an open structure, so that the drug loss caused by friction of the drug amount of a drug coating in the traditional process can be avoided in the balloon insertion process.
2. The outer pipe is designed to be sleeved outside the inner pipe in a shrinkage mode, and impurities at the opening part of the inner pipe can be effectively prevented from entering.
3. In the operation process of the operation, the outer tube can be easily taken out, and the inner tube is convenient to take off, so that the damage of the conventional protective tube to the coating in the removing process is avoided.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a front view of the inner tube;
FIG. 3 is a top view of the inner tube;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a schematic view of a lap-closed fracture;
figure 6 is a schematic view of an outer tube with a tear away portion.
In the figure: 1-steel needle, 2-sacculus, 3-inner tube, 4-outer tube, 5-crack and 6-easy-tear part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
The restraint state referred to in the application is a state in which the crack 5 is closed when the inner tube 3 is under the action of an external force;
the natural state referred to in this application is a state in which the inner tube 3 is not externally stressed and the slit 5 is opened.
As shown in fig. 1-6, the invention comprises an inner tube 3 and an outer tube 4, wherein the inner tube 3 is matched with a balloon 2, and the outer tube 4 is sleeved on the periphery of the inner tube 3;
the side wall of the inner tube 3 is provided with a crack 5, the crack 5 penetrates through the side wall of the inner tube 3, the length of the crack 5 in the axial direction of the inner tube 3 is equal to the length of the inner tube 3, and the inner wall of the inner tube 3 is of a smooth structure;
the outer pipe 4 is shrunk and coated on the periphery of the inner pipe 3, the inner wall of the outer pipe 4 is of a smooth structure,
the side wall of the outer tube 4 comprises an easy-tearing part 6, the easy-tearing part 6 is strip-shaped, the length direction of the easy-tearing part 6 is parallel to the axial direction of the outer tube 4, two long edges of the easy-tearing part 6 are respectively and weakly connected with the side wall of the outer tube 4,
the outer tube 4 is a heat shrinkable tube, or the outer tube 4 is a plastic material,
the length of the inner tube 3 is 1.1 to 1.5 times of the length of the saccule 2, the diameter of the inner tube 3 is 2 to 9mm, the length of the outer tube 4 is 1.1 to 1.5 times of the length of the inner tube 3, the diameter of the outer tube 4 is 1.1 to 1.5 times of the diameter of the inner tube 3,
the slits 5 are S-shaped, and the slits 5 can be linear, arc and other irregular lines.
The inner tube 3 is of an elastic material,
the inner tube 3 is in a constrained state, the crack 5 is closed, the inner tube 3 is in a complete tube shape, the inner tube 3 is coated on the surface of the saccule 2,
the inner tube 3 is in a natural state, and the inner tube 3 is in clearance fit with the balloon 2;
the outer tube 4 is shrunk and coated on the periphery of the inner tube 3 to enable the inner tube 3 to be in a restrained state.
Meanwhile, two sides of the crack 5 can be in a mutually-matched step shape, and when the inner pipe 3 is in a constraint state, the two sides of the crack 5 are in lap joint and closed.
The invention also discloses an installation method of the balloon protective sleeve, which comprises the following steps:
a. folding the sacculus 2 and sleeving the sacculus on the steel needle 1;
b. after the crack 5 is expanded by using the expansion device, the inner tube 3 is sleeved on the balloon 2, and the expansion device is loosened;
c. sleeving the outer pipe 4 on the periphery of the inner pipe 3;
d. and (3) shrinking and molding the outer pipe 4 to enable the outer pipe 4 to coat the inner pipe 3, so that the inner pipe 3 is in a restrained state.
In the step d, when the outer tube 4 is a heat-shrinkable tube, the heat is applied to satisfy the shrink-packing function of the outer tube 4;
when the outer tube 4 is a plastic material, the outer tube 4 is shaped using mechanical compression to satisfy the shrink wrapping function of the outer tube 4.
In actual use, after a certain amount of medicine is coated on the surface of the balloon 2, the inner tube 3 is sleeved on the balloon 2, and the balloon 2 and the inner tube 3 are fixed by shrinking the outer tube 4;
when the medical balloon is used by a doctor, the inner tube 3 is taken down after the outer tube 4 is taken down, and the inner tube 3 is in clearance fit with the balloon 2 in a natural state, so that the loss of medicines when the balloon 2 is taken out can be reduced.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A balloon protective sheath which characterized in that: comprises an inner tube (3) and an outer tube (4), wherein the inner tube (3) is matched with the balloon (2), and the outer tube (4) is sleeved on the periphery of the inner tube (3);
the side wall of the inner tube (3) is provided with a crack (5), the crack (5) penetrates through the side wall of the inner tube (3), the length of the crack (5) in the axial direction of the inner tube (3) is equal to that of the inner tube (3), and the inner wall of the inner tube (3) is of a smooth structure;
the outer pipe (4) is shrunk and coated on the periphery of the inner pipe (3), and the inner wall of the outer pipe (4) is of a smooth structure.
2. The balloon protective sheath of claim 1, wherein: outer tube (4) lateral wall is the strip including easily tearing portion (6), easily tears portion (6) length direction and is on a parallel with outer tube (4) axial, easily tears two long limits of portion (6) and weak connection outer tube (4) lateral wall respectively.
3. The balloon protective sheath of claim 1, wherein: the outer pipe (4) is a heat shrinkable pipe, or the outer pipe (4) is made of plastic material.
4. The balloon protective sheath of claim 1, wherein: the length of the inner tube (3) is 1.1-1.5 times of the length of the saccule (2), the diameter of the inner tube (3) is 2-9 mm, the length of the outer tube (4) is 1.1-1.5 times of the length of the inner tube (3), and the diameter of the outer tube (4) is 1.1-1.5 times of the diameter of the inner tube (3).
5. The balloon protective sheath of claim 1, wherein: the crack (5) is S-shaped.
6. The balloon protective sheath of claim 1, wherein: the inner tube (3) is made of elastic material,
the inner tube (3) is in a constrained state, the crack (5) is closed, the inner tube (3) is in a complete tubular shape, the inner tube (3) is coated on the surface of the balloon (2),
the inner tube (3) is in a natural state, and the inner tube (3) is in clearance fit with the balloon (2);
the outer pipe (4) is shrunk and coated on the periphery of the inner pipe (3) to enable the inner pipe (3) to be in a constrained state.
7. The balloon protective sheath of claim 6, wherein: the inner pipe (3) is in a restrained state, and two sides of the crack (5) are in lap joint and closed.
8. A method of installing a balloon protective sheath according to any one of claims 1 to 7, comprising the steps of:
a. the balloon (2) is folded and sleeved on the steel needle (1);
b. after the crack (5) is expanded by using the expansion device, the inner tube (3) is sleeved on the balloon (2), and the expansion device is loosened;
c. sleeving the outer pipe (4) on the periphery of the inner pipe (3);
d. and (3) shrinking and molding the outer pipe (4) to enable the outer pipe (4) to coat the inner pipe (3) so that the inner pipe (3) is in a restrained state.
9. The method of installation according to claim 8, wherein: in the step d, the outer pipe (4) is a heat-shrinkable pipe, and the heat-shrinkable pipe can meet the shrink-packing function of the outer pipe (4).
10. The method of installation according to claim 8, wherein: in the step d, the outer tube (4) is made of a plastic material, and the outer tube (4) is shaped by mechanical pressurization to meet the shrink packaging function of the outer tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996229.8A CN110681033A (en) | 2019-10-18 | 2019-10-18 | Balloon protective sleeve and mounting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910996229.8A CN110681033A (en) | 2019-10-18 | 2019-10-18 | Balloon protective sleeve and mounting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110681033A true CN110681033A (en) | 2020-01-14 |
Family
ID=69113366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910996229.8A Pending CN110681033A (en) | 2019-10-18 | 2019-10-18 | Balloon protective sleeve and mounting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110681033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685817A (en) * | 2020-07-09 | 2020-09-22 | 重庆橙壹科技有限公司 | Hollow tube for medical extractor |
| WO2022006720A1 (en) * | 2020-07-06 | 2022-01-13 | 杭州启明医疗器械股份有限公司 | Processing method for sheath tube |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868707A (en) * | 1996-08-15 | 1999-02-09 | Advanced Cardiovascular Systems, Inc. | Protective sheath for catheter balloons |
| US7694810B1 (en) * | 2009-02-26 | 2010-04-13 | Boston Scientific Scimed, Inc. | Carrier tube assembly for packaging a medical device |
| US20160058983A1 (en) * | 2013-05-03 | 2016-03-03 | C.R. Bard, Inc. | Peelable Protective Sheath |
| CN106551737A (en) * | 2016-11-09 | 2017-04-05 | 恩脉（上海）医疗科技有限公司 | A kind of load medicine equipment protection cover that can disintegrate in vivo |
| US20180353733A1 (en) * | 2015-06-12 | 2018-12-13 | Arravasc Limited | Delivery system for a drug coated angioplasty balloon |
| US20190224448A1 (en) * | 2018-01-19 | 2019-07-25 | Medtronic Vascular, Inc. | Expandable balloon sheath |
-
2019
- 2019-10-18 CN CN201910996229.8A patent/CN110681033A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868707A (en) * | 1996-08-15 | 1999-02-09 | Advanced Cardiovascular Systems, Inc. | Protective sheath for catheter balloons |
| US7694810B1 (en) * | 2009-02-26 | 2010-04-13 | Boston Scientific Scimed, Inc. | Carrier tube assembly for packaging a medical device |
| US20160058983A1 (en) * | 2013-05-03 | 2016-03-03 | C.R. Bard, Inc. | Peelable Protective Sheath |
| US20180353733A1 (en) * | 2015-06-12 | 2018-12-13 | Arravasc Limited | Delivery system for a drug coated angioplasty balloon |
| CN106551737A (en) * | 2016-11-09 | 2017-04-05 | 恩脉（上海）医疗科技有限公司 | A kind of load medicine equipment protection cover that can disintegrate in vivo |
| US20190224448A1 (en) * | 2018-01-19 | 2019-07-25 | Medtronic Vascular, Inc. | Expandable balloon sheath |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022006720A1 (en) * | 2020-07-06 | 2022-01-13 | 杭州启明医疗器械股份有限公司 | Processing method for sheath tube |
| CN111685817A (en) * | 2020-07-09 | 2020-09-22 | 重庆橙壹科技有限公司 | Hollow tube for medical extractor |
| CN111685817B (en) * | 2020-07-09 | 2022-03-25 | 杭州洁伊医疗器械有限公司 | Hollow tube for medical extractor |
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| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20221108 Address after: Building 3 and 6, No. 2899, Section 4, Xihanggang Avenue, Shuangliu District, Chengdu, Sichuan 610000 Applicant after: Sichuan Yangzijiang Medical Instrument Co.,Ltd. Address before: No. 2899, section 4, xihanggang Avenue, Shuangliu District, Chengdu, Sichuan 610000 Applicant before: SICHUAN HAIHUI PHARMACEUTICAL CO.,LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200114 |
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| RJ01 | Rejection of invention patent application after publication |