CN116637268A - 一种用于局部给药的非贯通微导管及包含它的医疗器械 - Google Patents
一种用于局部给药的非贯通微导管及包含它的医疗器械 Download PDFInfo
- Publication number
- CN116637268A CN116637268A CN202210138434.2A CN202210138434A CN116637268A CN 116637268 A CN116637268 A CN 116637268A CN 202210138434 A CN202210138434 A CN 202210138434A CN 116637268 A CN116637268 A CN 116637268A
- Authority
- CN
- China
- Prior art keywords
- section
- microcatheter
- topical administration
- open hole
- outer diameter
- 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
- 238000011200 topical administration Methods 0.000 title claims abstract description 55
- 238000000576 coating method Methods 0.000 claims abstract description 49
- 239000011248 coating agent Substances 0.000 claims abstract description 44
- 239000003146 anticoagulant agent Substances 0.000 claims abstract description 32
- 229940127219 anticoagulant drug Drugs 0.000 claims abstract description 29
- 239000003550 marker Substances 0.000 claims abstract description 18
- 210000004204 blood vessel Anatomy 0.000 claims description 47
- 230000010100 anticoagulation Effects 0.000 claims description 24
- 229920000515 polycarbonate Polymers 0.000 claims description 17
- 239000004417 polycarbonate Substances 0.000 claims description 17
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 12
- 229960002897 heparin Drugs 0.000 claims description 12
- 229920000669 heparin Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 10
- 229920001499 Heparinoid Polymers 0.000 claims description 8
- 239000002554 heparinoid Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 238000004873 anchoring Methods 0.000 claims 1
- 230000000699 topical effect Effects 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 23
- 208000007536 Thrombosis Diseases 0.000 abstract description 19
- 229940079593 drug Drugs 0.000 abstract description 16
- 210000003128 head Anatomy 0.000 abstract description 15
- 210000004185 liver Anatomy 0.000 abstract description 13
- 238000002512 chemotherapy Methods 0.000 abstract description 12
- 208000029078 coronary artery disease Diseases 0.000 abstract description 11
- 206010028980 Neoplasm Diseases 0.000 abstract description 10
- 201000011510 cancer Diseases 0.000 abstract description 9
- 210000001367 artery Anatomy 0.000 abstract description 6
- 208000021245 head disease Diseases 0.000 abstract description 6
- 208000019423 liver disease Diseases 0.000 abstract description 6
- 238000002347 injection Methods 0.000 description 16
- 239000007924 injection Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 210000000056 organ Anatomy 0.000 description 12
- 208000032843 Hemorrhage Diseases 0.000 description 11
- 230000017531 blood circulation Effects 0.000 description 11
- 210000004351 coronary vessel Anatomy 0.000 description 10
- 210000001035 gastrointestinal tract Anatomy 0.000 description 9
- 238000002513 implantation Methods 0.000 description 9
- 238000001356 surgical procedure Methods 0.000 description 8
- 210000003462 vein Anatomy 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 206010067484 Adverse reaction Diseases 0.000 description 6
- 230000006838 adverse reaction Effects 0.000 description 6
- 230000002490 cerebral effect Effects 0.000 description 6
- 206010018910 Haemolysis Diseases 0.000 description 5
- 229940044683 chemotherapy drug Drugs 0.000 description 5
- 230000008588 hemolysis Effects 0.000 description 5
- 208000034158 bleeding Diseases 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 208000019622 heart disease Diseases 0.000 description 3
- 238000000338 in vitro Methods 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 3
- 201000007270 liver cancer Diseases 0.000 description 3
- 208000014018 liver neoplasm Diseases 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 208000019693 Lung disease Diseases 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000000702 anti-platelet effect Effects 0.000 description 2
- 229940127218 antiplatelet drug Drugs 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 229940025770 heparinoids Drugs 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000012671 Gastrointestinal haemorrhages Diseases 0.000 description 1
- 206010062713 Haemorrhagic diathesis Diseases 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
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- 208000031169 hemorrhagic disease Diseases 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
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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
- A61M25/0021—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
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/0082—Catheter tip comprising a tool
- A61M25/0084—Catheter tip comprising a tool being one or more injection needles
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M25/09041—Mechanisms for insertion of guide wires
-
- 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
- A61M2025/0008—Catheters; Hollow probes having visible markings on its surface, i.e. visible to the naked eye, for any purpose, e.g. insertion depth markers, rotational markers or identification of type
-
- 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
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
- A61M2025/0046—Coatings for improving slidability
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
Claims (15)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210138434.2A CN116637268A (zh) | 2022-02-15 | 2022-02-15 | 一种用于局部给药的非贯通微导管及包含它的医疗器械 |
PCT/CN2023/073051 WO2023155656A1 (zh) | 2022-02-15 | 2023-01-19 | 一种用于局部给药的非贯通微导管及包含它的医疗器械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202210138434.2A CN116637268A (zh) | 2022-02-15 | 2022-02-15 | 一种用于局部给药的非贯通微导管及包含它的医疗器械 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN116637268A true CN116637268A (zh) | 2023-08-25 |
Family
ID=87642315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202210138434.2A Pending CN116637268A (zh) | 2022-02-15 | 2022-02-15 | 一种用于局部给药的非贯通微导管及包含它的医疗器械 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116637268A (zh) |
-
2022
- 2022-02-15 CN CN202210138434.2A patent/CN116637268A/zh active Pending
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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 | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240426 Address after: 518000, Building 3, Block A, Yunzhi Science and Technology Park, South Side of Shuangming Avenue, Dongzhou Community, Guangming Street, Guangming District, Shenzhen City, Guangdong Province, 1110 Applicant after: Qiwei medical technology (Shenzhen) Co.,Ltd. Country or region after: China Address before: 1617-1, 14/F, Haitai Building, 229 North Fourth Ring Middle Road, Haidian District, Beijing, 100080 Applicant before: Lianyijia Medical Technology Service (Beijing) Co.,Ltd. Country or region before: China |