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CN111936092A - Remaining needle tube system for eye drug administration - Google Patents

Remaining needle tube system for eye drug administration Download PDF

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Publication number
CN111936092A
CN111936092A CN201880092099.9A CN201880092099A CN111936092A CN 111936092 A CN111936092 A CN 111936092A CN 201880092099 A CN201880092099 A CN 201880092099A CN 111936092 A CN111936092 A CN 111936092A
Authority
CN
China
Prior art keywords
drug delivery
indwelling needle
capsule
tube
indwelling
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
Application number
CN201880092099.9A
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Chinese (zh)
Inventor
林丁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN111936092A publication Critical patent/CN111936092A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand

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  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

An eye drug delivery indwelling needle tube system comprises an eye fascia capsule (Tenon capsule) drug delivery system and/or a conjunctival sac drug delivery system, wherein the eye fascia capsule drug delivery system comprises an eye fascia capsule indwelling needle connected with a drug supply part; the conjunctival sac drug delivery system comprises a conjunctival sac indwelling pipe (16) connected with the drug delivery part and a tear recovery pipeline (12) for recovering the residual liquid medicine of the conjunctival sac. The eye drug administration indwelling needle tube system can be simply and conveniently placed under or in the eye eyeball fascia sac, is convenient to place and take out, is stable to place, has little influence on eye tissues and has high safety; the medicine supply part comprises a connecting pipe (3), a head band device (2), a medicine liquid pump, a medicine supply groove and corresponding customized medicines. The eye drug administration indwelling needle tube system is fixed on the head of a patient in a wearing mode, improves drug administration convenience, can be better fixed, prevents falling off, and is favorable for continuous controllable drug administration.

Description

PCT国内申请，说明书已公开。PCT domestic application, the description has been published.

Claims (9)

  1. An eye drug delivery indwelling needle tube system is characterized in that the indwelling needle tube system comprises an eyeball fascia capsule drug delivery system and/or a conjunctival sac drug delivery system, the eyeball fascia capsule drug delivery system comprises an eyeball fascia capsule indwelling needle, one end of the eyeball fascia capsule indwelling needle is connected with a drug supply part, and the other end of the eyeball fascia capsule indwelling needle is used for outputting drugs to the eyeball fascia capsule; the conjunctival sac drug delivery system comprises a conjunctival sac indwelling tube used for outputting drugs to the conjunctival sac, one end of the conjunctival sac indwelling tube is connected with the drug supply part, and the other end of the conjunctival sac indwelling tube is used for outputting the drugs to the conjunctival sac.
  2. The ophthalmic drug delivery indwelling needle tubing system according to claim 1, wherein the tenon's capsule indwelling needle comprises an inner core and an outer tube movably sleeved on the inner core, a needle head is arranged at the end of the inner core, an elastic member is arranged at the end of the outer tube, the elastic member has a conical or truncated cone shape with a hollow structure, and the inner core can extend out of or retract into the elastic member.
  3. The system of claim 2, wherein the elastic member has at least one slit along the generatrix of the cone or truncated cone.
  4. The needle system of claim 2 or 3, wherein a flexible balloon is further disposed on the outer surface of the outer tube, the interior of the flexible balloon is connected to the interior of the outer tube, and the flexible balloon can expand to form a protrusion during the delivery of the liquid medicine.
  5. The ophthalmic drug delivery indwelling needle tubing system according to claim 1, wherein the tenon's capsule indwelling needle is a needle or a tube, or the tenon's capsule indwelling needle comprises an inner core needle and an outer sheath, or the tenon's capsule indwelling needle comprises an inner core tube and an outer sheath.
  6. The ophthalmic drug delivery indwelling needle system according to claim 1, wherein the end of the conjunctival sac indwelling needle for delivering the drug is an annular pipe, and an opening is arranged on the wall of the annular pipe.
  7. The ophthalmic drug delivery indwelling needle system of claim 1, further comprising a tear recovery tube for recovering tear fluid not absorbed by the conjunctival sac and overflowing the eye.
  8. The needle cannula system for ocular drug delivery indwelling according to claim 7, wherein the tear fluid recovery tube comprises an active recovery tube disposed near the punctum and a passive recovery tube disposed on the lower eyelid, the active recovery tube sucks the drug solution at a certain negative pressure, and the passive recovery tube is a flow channel sucking the drug solution by gravity or capillary effect.
  9. The ophthalmic drug delivery indwelling needle cannula system of claim 7, wherein the tenon's capsule indwelling needle, the conjunctival capsule indwelling tube and the tear fluid recovery tube are mounted on a goggle which is fixed on the head by a head mount.
CN201880092099.9A 2018-04-03 2018-08-01 Remaining needle tube system for eye drug administration Pending CN111936092A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2018204611775 2018-04-03
CN201820461177.5U CN209847559U (en) 2018-04-03 2018-04-03 Remaining needle tube system for eye drug administration
PCT/CN2018/097853 WO2019192109A1 (en) 2018-04-03 2018-08-01 Ophthalmic drug delivery indwelling needle and catheter system

Publications (1)

Publication Number Publication Date
CN111936092A true CN111936092A (en) 2020-11-13

Family

ID=68099830

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201820461177.5U Active CN209847559U (en) 2018-04-03 2018-04-03 Remaining needle tube system for eye drug administration
CN201880092099.9A Pending CN111936092A (en) 2018-04-03 2018-08-01 Remaining needle tube system for eye drug administration

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201820461177.5U Active CN209847559U (en) 2018-04-03 2018-04-03 Remaining needle tube system for eye drug administration

Country Status (2)

Country Link
CN (2) CN209847559U (en)
WO (1) WO2019192109A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111388188B (en) * 2020-03-13 2023-02-03 遂宁市中心医院 Novel injection device
US11779553B1 (en) 2022-11-28 2023-10-10 Atif B. D. Collins Methods and devices for treatment of eyelid ptosis

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2053744C1 (en) * 1992-04-10 1996-02-10 Елена Петровна Тарутта Device for injecting medicinal preparations useable in ophthalmologic practice
CN2478555Y (en) * 2001-03-21 2002-02-27 白文庆 Multi-functional cystis puncturing needle
CN2486161Y (en) * 2001-08-23 2002-04-17 徐利浩 Disposable body cavity puncture indwelling catheter
CN2489748Y (en) * 2001-07-18 2002-05-08 肖满意 Petal-shape artificial lacrimal duct
CN2734190Y (en) * 2004-10-26 2005-10-19 傅少颖 Drug administration insulator of eyes conjunctival sac
CN201370875Y (en) * 2008-12-30 2009-12-30 浙江华福医用器材有限公司 Artificial lacrimonasal duct
CN201759645U (en) * 2010-09-09 2011-03-16 孙伟 Puncture needle for ear drum
CN103405307A (en) * 2013-08-30 2013-11-27 潘东艳 Catheter for lacrimal passage
CN204293345U (en) * 2014-12-05 2015-04-29 刘小肃 Ophthalmological nursing apparatus
US20160175535A1 (en) * 2014-12-18 2016-06-23 Bruce Becker Methods of performing retrobulbar injections
CN206081032U (en) * 2016-07-20 2017-04-12 苏州瑞盛康复医院有限公司 Disposable medical conjunctiva bag flusher
CN206424126U (en) * 2016-08-25 2017-08-22 上海市同济医院 A kind of new body cavity puncture tube-placing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5207660A (en) * 1991-04-26 1993-05-04 Cornell Research Foundation, Inc. Method for the delivery of compositions to the ocular tissues
CN2125386U (en) * 1992-07-02 1992-12-23 韩卫东 Conjunctival sac washing apparatus
CN201076550Y (en) * 2007-06-15 2008-06-25 陈昱均 Eye therapy health care implement
US8834406B2 (en) * 2011-10-21 2014-09-16 Snyder Biomedical Corporation Biocompatible glaucoma drainage device
CN105902341B (en) * 2016-07-05 2019-03-15 李树宁 Medicine-filling device under Tenon capsule
CN206434569U (en) * 2016-08-11 2017-08-25 王明武 A kind of eye is administered continuously or lavatory

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2053744C1 (en) * 1992-04-10 1996-02-10 Елена Петровна Тарутта Device for injecting medicinal preparations useable in ophthalmologic practice
CN2478555Y (en) * 2001-03-21 2002-02-27 白文庆 Multi-functional cystis puncturing needle
CN2489748Y (en) * 2001-07-18 2002-05-08 肖满意 Petal-shape artificial lacrimal duct
CN2486161Y (en) * 2001-08-23 2002-04-17 徐利浩 Disposable body cavity puncture indwelling catheter
CN2734190Y (en) * 2004-10-26 2005-10-19 傅少颖 Drug administration insulator of eyes conjunctival sac
CN201370875Y (en) * 2008-12-30 2009-12-30 浙江华福医用器材有限公司 Artificial lacrimonasal duct
CN201759645U (en) * 2010-09-09 2011-03-16 孙伟 Puncture needle for ear drum
CN103405307A (en) * 2013-08-30 2013-11-27 潘东艳 Catheter for lacrimal passage
CN204293345U (en) * 2014-12-05 2015-04-29 刘小肃 Ophthalmological nursing apparatus
US20160175535A1 (en) * 2014-12-18 2016-06-23 Bruce Becker Methods of performing retrobulbar injections
CN206081032U (en) * 2016-07-20 2017-04-12 苏州瑞盛康复医院有限公司 Disposable medical conjunctiva bag flusher
CN206424126U (en) * 2016-08-25 2017-08-22 上海市同济医院 A kind of new body cavity puncture tube-placing device

Also Published As

Publication number Publication date
WO2019192109A1 (en) 2019-10-10
CN209847559U (en) 2019-12-27

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Legal Events

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PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201113