CA2588199A1 - Two stage plunger for intraocular lens injector - Google Patents

Two stage plunger for intraocular lens injector Download PDF

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Publication number
CA2588199A1
CA2588199A1 CA002588199A CA2588199A CA2588199A1 CA 2588199 A1 CA2588199 A1 CA 2588199A1 CA 002588199 A CA002588199 A CA 002588199A CA 2588199 A CA2588199 A CA 2588199A CA 2588199 A1 CA2588199 A1 CA 2588199A1
Authority
CA
Canada
Prior art keywords
iol
sleeve
plunger
shaft
distal tip
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
Application number
CA002588199A
Other languages
French (fr)
Other versions
CA2588199C (en
Inventor
Joel Pynson
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.)
Bausch and Lomb Inc
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2588199A1 publication Critical patent/CA2588199A1/en
Application granted granted Critical
Publication of CA2588199C publication Critical patent/CA2588199C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A61F9/007—Methods or devices for eye surgery
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1662—Instruments for inserting intraocular lenses into the eye
    • A61F2/1672—Instruments for inserting intraocular lenses into the eye with a two-stage plunger, e.g. rotatable and pushable or rotatable at different speeds
    • 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
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • 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
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/009—Auxiliary devices making contact with the eyeball and coupling in laser light, e.g. goniolenses

Abstract

A plunger for an IOL injector device includes a shaft with a distal tip and a compressible sleeve positioned about the shaft with the tip extending forwardly of the sleeve. In a first stage of IOL advancement through the injector device, the plunger tip engages and pushes the IOL through a first section of the injector body. In a second stage of IOL advancement, the sleeve enters the narrowing section of the injector body toward the open tip thereof with the IOL and sleeve both undergoing compression. The sleeve compresses and lengthens in a forward direction ultimately enveloping the plunger distal tip. Viscoelastic applied inside the injector accumulates between the leading edge of the compressed sleeve and the compressed IOL thereby creating hydraulic pressure which pushes the compressed IOL through the remainder of the injector body and out the open distal tip thereof.

Claims (16)

1. A plunger for advancing an IOL through an IOL injection device in at least first and second IOL advancement stages, said plunger comprising:

a) a shaft having a proximal end and distal tip and configured to be slidingly received in the IOL injection device, said distal tip configured for engaging and pushing said IOL through said injection device during said first IOL advancement stage; and b) a compressible sleeve having proximal and distal ends and mounted to said shaft adjacent said shaft distal tip, said sleeve being in its uncompressed state and said shaft distal tip being at least partially uncovered by said sleeve during said first IOL advancement stage, said sleeve undergoing compression and at least partially enveloping said shaft distal tip during said second IOL advancement stage.
2. The plunger of claim 1 wherein said injector device includes an injector body having a longitudinal opening wherein said plunger is slidingly received, and further including a viscoelastic applied in said longitudinal opening, said viscoelastic creating hydraulic pressure between said compressed sleeve and said IOL during said second IOL
advancement stage whereby said hydraulic pressure pushes said IOL
through and out of said injector device.
3. The plunger of any preceding claim wherein said sleeve is made of a silicone elastomer.
4. The plunger of any preceding claim, wherein the IOL includes an optic and said shaft distal tip comprises a bifurcated tip having prongs configured to engage said optic of said IOL therebetween.
5. The plunger of any preceding claim, wherein said injector device includes a narrowing section terminating at an open end wherethrough the IOL is expressed, said second IOL advancement stage occurring in said narrowing section.
6. The plunger of any preceding claim, wherein said sleeve has a core which is fixed to said shaft.
7. The plunger of claim 6 and further comprising a rigid flange attached to said proximal end of said sleeve, said flange acting as a stop to prevent rearward movement of said sleeve toward said shaft proximal end.
8. The plunger of claim 1, and further comprising a rigid flange attached to said shaft adjacent said sleeve proximal end, said flange acting as a stop to prevent movement of said sleeve toward said shaft proximal end.
9. An injector device for injecting an IOL into an eye, said injector device comprising:

a) a device body having proximal and distal ends and a longitudinal opening therebetween, said distal end comprising an open tip for delivering said IOL from said injector device into an eye;

b) a plunger for sliding movement through first and second stages of advancement in said longitudinal opening, said second stage of advancement occurring within at least a portion of said narrowing section of said longitudinal opening, said plunger comprising:

i) a rigid shaft having a proximal end and a distal tip; and ii) a compressible sleeve having proximal and distal ends, said sleeve placed on said shaft adjacent said distal tip thereof, said distal tip extending forwardly of said sleeve when in the uncompressed condition, said distal tip configured to engage and push said IOL during a first stage of IOL advancement through said device body.
10. The injector device of claim 9 wherein said sleeve undergoes compression and at least partially envelopes said shaft distal tip during a second stage of IOL advancement and ultimate expression of said IOL
from said body distal end.
11. The plunger of claim 10 wherein said injector device longitudinal opening narrows toward said body distal end, said sleeve undergoing compression and at least partially enveloping said shaft distal tip in said narrowing portion of said longitudinal opening.
12. The plunger of claim 11, and further comprising a rigid flange attached to said shaft adjacent said sleeve proximal end, said flange acting as a stop to prevent movement of said sleeve toward said shaft proximal end.
13. A method of delivering an IOL into an eye, said method comprising the steps of:

a) providing a device body having a proximal end and a distal open tip and a longitudinal opening extending therebetween, said longitudinal opening having a narrowing section adjacent said distal open tip of said body;

b) providing an IOL in said longitudinal opening;

c) providing a plunger for sliding movement through first and second stages of advancement in said longitudinal opening, said second stage of advancement occurring within at least a portion of said narrowing section of said longitudinal opening, said plunger comprising:

i) a rigid shaft having a proximal end and a distal tip; and ii) a compressible sleeve placed on said shaft adjacent said distal tip thereof, said distal tip extending forwardly of and uncovered by said sleeve when in the uncompressed condition, whereby said plunger may be advanced in said longitudinal opening through said first stage of advancement with said shaft distal tip engaging and pushing said IOL through said first stage of advancement, and whereby said plunger may be further advanced through said second stage of advancement with said sleeve undergoing compression and lengthening in a forward direction and thereby at least partially enveloping said shaft distal tip.
14. The method of claim 13, and further comprising the step of applying a viscoelastic between said plunger distal tip and said IOL in a quantity sufficient to create hydraulic pressure between said sleeve and said IOL during said second advancement stage.
15. A plunger for an IOL injector device, said plunger having a rigid shaft with a distal tip and a compressible sleeve attached to said shaft with said distal tip extending outwardly of and uncovered by said sleeve when in the uncompressed condition.
16. The plunger of claim 15, wherein said sleeve, when compressed, lengthens and at least partially envelops said shaft distal tip.
CA2588199A 2004-11-30 2004-11-30 Two stage plunger for intraocular lens injector Expired - Fee Related CA2588199C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2004/004343 WO2006059183A1 (en) 2004-11-30 2004-11-30 Two stage plunger for intraocular lens injector

Publications (2)

Publication Number Publication Date
CA2588199A1 true CA2588199A1 (en) 2006-06-08
CA2588199C CA2588199C (en) 2010-09-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2588199A Expired - Fee Related CA2588199C (en) 2004-11-30 2004-11-30 Two stage plunger for intraocular lens injector

Country Status (11)

Country Link
US (2) US8246631B2 (en)
EP (1) EP1845898B1 (en)
JP (1) JP4969452B2 (en)
KR (1) KR101134830B1 (en)
CN (1) CN101068507B (en)
AT (1) ATE519452T1 (en)
AU (1) AU2004325365B2 (en)
CA (1) CA2588199C (en)
ES (1) ES2367787T3 (en)
HK (1) HK1109051A1 (en)
WO (1) WO2006059183A1 (en)

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US8535332B2 (en) 2013-09-17
US20120289970A1 (en) 2012-11-15
US20090216244A1 (en) 2009-08-27
HK1109051A1 (en) 2008-05-30
KR20070091122A (en) 2007-09-07
AU2004325365B2 (en) 2011-02-10
AU2004325365A1 (en) 2006-06-08
JP2008521535A (en) 2008-06-26
ES2367787T3 (en) 2011-11-08
WO2006059183A1 (en) 2006-06-08
JP4969452B2 (en) 2012-07-04
EP1845898B1 (en) 2011-08-10
CN101068507A (en) 2007-11-07
CN101068507B (en) 2010-05-12
KR101134830B1 (en) 2012-04-13
CA2588199C (en) 2010-09-07
EP1845898A1 (en) 2007-10-24
ATE519452T1 (en) 2011-08-15
US8246631B2 (en) 2012-08-21

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