USRE37304E1 - Surgical knife blade - Google Patents
Surgical knife blade Download PDFInfo
- Publication number
- USRE37304E1 USRE37304E1 US09/363,520 US36352099A USRE37304E US RE37304 E1 USRE37304 E1 US RE37304E1 US 36352099 A US36352099 A US 36352099A US RE37304 E USRE37304 E US RE37304E
- Authority
- US
- United States
- Prior art keywords
- blade
- bevels
- posterior
- anterior
- cutting edges
- 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.)
- Expired - Lifetime
Links
Images
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
- A61F9/013—Instruments for compensation of ocular refraction ; Instruments for use in cornea removal, for reshaping or performing incisions in the cornea
- A61F9/0133—Knives or scalpels specially adapted therefor
Definitions
- the present invention relates to a surgical knife blade of the type primarily intended for making incisions in the eye, as for a clear corneal incision.
- the cutting edges of the blade are defined by the intersection of bevels formed on the blade's anterior surface and posterior surface, with the plane of the bevels with respect to the anterior and posterior surfaces being non-symmetrical.
- the present invention relates to a surgical knife blade of the type primarily intended for making incisions in the eye. While the blade may be formed from any suitable material such as, for example, precious or semi-precious stones and man-made equivalents thereof, steel, glass, or ceramics, the blade of this invention preferably comprises a diamond.
- the structure of the blade in a preferred embodiment comprises an elongated body having proximal and distal ends, anterior and posterior opposing surfaces, a shoulder intermediate the proximal and distal ends, first and second longitudinal sides between the proximal end and the shoulder, and first and second cutting edges between the shoulder and the distal end.
- the first and second cutting edges are formed by the intersection of first and second anterior bevels on the anterior surface with opposed first and second posterior bevels on the posterior surface.
- the first and second anterior bevels are shorter at the distal end and longer at the shoulder.
- the words “short” and “long” refer to the transverse dimension of the plane defined by the beveled surfaces with regard to the corresponding planar surface of the respective anterior and posterior surfaces. That is to say, the cutting edges formed by the intersection of the first and second anterior bevels with their corresponding first and second posterior bevels are closer to the plane of the anterior surface at the distal end and farther from that same plane at the shoulder.
- the opposed first and second posterior bevels formed on the posterior surface are longer at the distal end, and shorter at the shoulder.
- the cutting edges are farther from the plane of the posterior surface at the distal end and closer to that same plane at the shoulder.
- the first and second longitudinal sides are formed by the intersection of third and fourth anterior bevels on the anterior surface with opposed third and fourth posterior bevels on the posterior surface.
- the third and fourth anterior bevels are substantially equal in length to the length of the first and second anterior bevels at the shoulder, and the third and fourth posterior bevels are substantially equal in length to that of the first and second posterior bevels at the shoulder.
- the third and fourth anterior bevels are relatively longer than the third and fourth posterior bevels.
- first and second longitudinal sides of the blade of this invention are substantially parallel.
- first and second longitudinal edges diverge outwardly from the shoulder to the proximal end.
- the third and fourth anterior bevels become longer along a longitudinal axis from the shoulder to the proximal end, and the third and fourth posterior bevels become shorter along that same longitudinal axis.
- the invention accordingly comprises an article of manufacture possessing the features, properties, and the relation of elements which will be exemplified in the articles hereinafter described, and the scope of the invention will be indicated in the claims.
- FIG. 1 depicts an eye into which an incision has been made utilizing a typical prior art blade.
- FIG. 2 is a perspective view of a typical prior art blade.
- FIG. 3 is a distal end view of the typical prior art blade shown in FIG. 2 .
- FIG. 4 depicts an eye with an incision made therein by the blade of this invention.
- FIG. 5 is a perspective view of a first preferred embodiment of the blade of this invention.
- FIG. 6 is an anterior plan view of the blade shown in FIG. 5 .
- FIG. 7 is a posterior plan view of the blade shown in FIG. 5 .
- FIG. 8 is a right side view of the blade shown in FIG. 7 .
- FIG. 9 is a left side view of the blade shown in FIG. 7 .
- FIG. 10 is a plan view of the distal end of the blade shown in FIG. 7 .
- FIG. 11 is an anterior plan view of a second preferred embodiment of the blade of this invention.
- FIG. 12 is a posterior plan view of the blade shown in FIG. 11 .
- FIG. 13 is a plan view of the distal end of the blade shown in FIG. 11 .
- FIG. 14 is a right side view of the blade shown in FIG. 11 .
- FIG. 15 depicts the first preferred embodiment of the blade of this invention operatively attached to an angled handle.
- FIG. 16 depicts the first preferred embodiment of the blade of this invention attached to a step handle with the blade fully retracted.
- FIG. 17 is a view similar to that of FIG. 16 showing the blade fully extended.
- FIGS. 1-3 illustrate the current state-of-the-art with regard to knife blades used for ophthalmic surgery.
- FIG. 1 illustrates an eye, generally indicated as 20 , into which an incision 22 has been made utilizing a diamond blade such as that generally indicated as 24 in the views of FIGS. 2 and 3.
- incision 22 is irregular and essentially “smile” shaped.
- blade 24 comprises an elongated body, preferably formed from a diamond, having a proximal end 26 and a distal end 28 .
- Prior art blade 24 further comprises an anterior surface 30 and opposed posterior surface 32 .
- First and second longitudinal sides 34 and 36 extend between proximal end 26 and shoulder 38 of blade 24 .
- First and second cutting edges 40 extend from shoulder 38 to distal end 28 .
- first cutting edge 40 and second cutting edge 42 are substantially identical.
- intersection of anterior and posterior bevels defining first longitudinal side 34 and second longitudinal side 36 are also substantially identical. That is to say, in prior art blade 24 , the geometry of anterior surface 30 , including its corresponding bevels, is substantially identical to the geometry of posterior surface 32 and its corresponding bevels. It is as a direct result of this symmetry of construction that a curved incision 22 results from the use of blade 24 to incise a spherical object such as the globe of eye 20 .
- FIG. 4 illustrates an eye 20 wherein a substantially linear, perpendicular incision 44 has been made.
- FIGS. 5-10 illustrate a first preferred embodiment of the surgical knife blade of this invention, generally indicated as 46 . While blade 46 may be formed from any suitable material, the preferred material is diamond, and that is illustrated in the drawing figures.
- blade 46 comprises an elongated body having a proximal end 48 and a distal end 50 .
- blade 46 further comprises an anterior surface 52 and an opposed, posterior surface 54 .
- a shoulder 56 is intermediate proximal end 48 and distal end 50 , and first and second longitudinal sides 58 and 60 extend from shoulder 56 to proximal end 48 .
- First and second cutting edges 62 and 64 extend angularly from shoulder 56 to distal end 50 .
- blade 46 provides for the substantially linear, perpendicular cut 44 , as shown in the view of FIG. 4, without the necessity of the surgeon's applanating the globe to try to flatten it out, or “dimpling down” as soon as distal end 50 of blade 46 reaches Descemet's membrane. It is, in fact, the non-symmetrical planes of beveling with regard to anterior surface 52 as compared to the beveling on posterior surface 54 which results in the straight cut 44 . These different planes actually guide the blade 46 to maintain a substantially linear, perpendicular incision 44 through the globe of eye 20 and Descemet's membrane.
- first and second cutting edges 62 and 64 are partially formed by corresponding first anterior bevel 66 and second anterior bevel 68 . Also, as is clearly shown in the view of FIG. 6, the planes defined by first and second anterior bevels 66 and 68 are shorter adjacent distal end 50 and are longer adjacent shoulder 56 , graduating therebetween in a substantially linear fashion.
- First and second posterior bevels 70 and 72 partially define first and second cutting edges 62 and 64 from the posterior view of FIG. 7 . As shown in the view of FIG. 7, the planes defined by first and second posterior bevels 70 and 72 are longer adjacent distal end 50 , and are shorter adjacent shoulder 56 .
- first and second longitudinal sides 58 and 60 are partially formed, with respect to the anterior side of blade 46 , by third and fourth anterior bevels 74 and 76 , respectively.
- first and second longitudinal sides 58 and 60 are partially formed by corresponding third and fourth posterior bevels 78 and 80 , respectively.
- third and fourth anterior bevels 74 and 76 are substantially equal to the length of first and second anterior bevels 66 and 68 at shoulder 56 .
- the length of third and fourth posterior bevels 78 and 80 are substantially equal to first and second posterior bevels 70 and 72 at shoulder 56 .
- the length of third and fourth anterior bevels is, therefore, significantly greater than the length of third and fourth posterior bevels 78 and 80 .
- typical blade width as measured between first and second longitudinal sides 58 and 60 generally falls in the ranges of about 2.5 mm to about 3.2 mm.
- the preferred thickness for blade 46 measured from anterior surface 52 to posterior surface 54 , is about 0.2 mm.
- the preferred length of blade 46 from proximal end 48 to distal end 50 is about 6 mm.
- Shoulder 56 is formed about 1.75 mm below distal end 50 .
- FIGS. 11-14 those figures illustrate a second preferred embodiment for the blade of this invention, generally indicated as 46 ′.
- the only structural differences between blade 46 and blade 46 ′ is the construction of blade 46 ′ to graduate to a wider transverse dimension from its shoulder 56 ′ to its proximal end 48 ′.
- the structural elements of blade 46 ′ are substantially identical to those of blade 46 and have been indicated in the drawings by the addition of a prime (′) mark.
- the use of this second preferred embodiment of blade 46 ′ is desirable as when the surgeon elects to utilize larger phacotips after the incision 44 has been initially made by first and second cutting edges 62 ′ and 64 ′.
- the transverse width at proximal end 48 ′ is preferably about 3.9 mm.
- blade 46 is shown operatively attached to an angled handle in FIG. 15, and to a step handle 84 in the views of FIGS. 16 and 17.
- angled handle 82 and step handle 84 are equally well known and accepted for use in the field of ophthalmic surgery.
- the construction of angled handle 82 does permit full retraction of blade 46 in much the same fashion as is shown in the view of FIG. 16 .
Abstract
Description
Claims (32)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/363,520 USRE37304E1 (en) | 1996-11-15 | 1999-07-29 | Surgical knife blade |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/751,118 US5713915A (en) | 1996-11-15 | 1996-11-15 | Surgical knife blade |
US09/363,520 USRE37304E1 (en) | 1996-11-15 | 1999-07-29 | Surgical knife blade |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/751,118 Reissue US5713915A (en) | 1996-11-15 | 1996-11-15 | Surgical knife blade |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE37304E1 true USRE37304E1 (en) | 2001-07-31 |
Family
ID=25020555
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/751,118 Ceased US5713915A (en) | 1996-11-15 | 1996-11-15 | Surgical knife blade |
US09/363,520 Expired - Lifetime USRE37304E1 (en) | 1996-11-15 | 1999-07-29 | Surgical knife blade |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US08/751,118 Ceased US5713915A (en) | 1996-11-15 | 1996-11-15 | Surgical knife blade |
Country Status (1)
Country | Link |
---|---|
US (2) | US5713915A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6554840B2 (en) * | 2000-02-29 | 2003-04-29 | Mani, Inc. | Medical scalpel |
US20030199165A1 (en) * | 2002-03-11 | 2003-10-23 | Becton, Dickinson And Company | System and method for the manufacture of surgical blades |
US6663644B1 (en) * | 2000-06-02 | 2003-12-16 | Med-Logics, Inc. | Cutting blade assembly for a microkeratome |
US20050155955A1 (en) * | 2003-03-10 | 2005-07-21 | Daskal Vadim M. | Method for reducing glare and creating matte finish of controlled density on a silicon surface |
US20050188548A1 (en) * | 2002-03-11 | 2005-09-01 | Daskal Vadim M. | Silicon blades for surgical and non-surgical use |
US20050266680A1 (en) * | 2004-04-30 | 2005-12-01 | Daskal Vadim M | Methods of fabricating complex blade geometries from silicon wafers and strengthening blade geometries |
US20070187874A1 (en) * | 2003-09-17 | 2007-08-16 | Daskal Vadim M | System and method for creating linear and non-linear trenches in silicon and other crystalline materials with a router |
US7465310B2 (en) | 2003-09-30 | 2008-12-16 | Kai & R&D Center Co., Ltd. | Medical knife |
US20090007436A1 (en) * | 2003-03-10 | 2009-01-08 | Daskal Vadim M | Silicon blades for surgical and non-surgical use |
US9329309B2 (en) | 2012-02-27 | 2016-05-03 | E-Vision Smart Optics, Inc. | Electroactive lens with multiple depth diffractive structures |
WO2017039463A1 (en) * | 2015-09-05 | 2017-03-09 | Indywidualna Specjalistyczna Praktyka Lekarska Dr Med. Bartłomiej Kałużny | Tool for corneal and scleral incisions |
US9808279B2 (en) | 2011-04-28 | 2017-11-07 | Kai R&D Center Co., Ltd. | Medical knife |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7166117B2 (en) * | 1996-02-07 | 2007-01-23 | Hellenkamp Johann F | Automatic surgical device and control assembly for cutting a cornea |
US20070244496A1 (en) * | 1996-02-07 | 2007-10-18 | Hellenkamp Johann F | Automatic surgical device and control assembly for cutting a cornea |
US6056764A (en) * | 1998-03-18 | 2000-05-02 | Smith; Thomas C. | Opthalmic surgical blade having hard single bevel edges |
US6099543A (en) * | 1998-03-18 | 2000-08-08 | Smith; Thomas C. | Ophthalmic surgical blade |
US6139559A (en) * | 1998-04-07 | 2000-10-31 | Nordan; Lee T. | Surgical blade |
US6858080B2 (en) * | 1998-05-15 | 2005-02-22 | Apollo Diamond, Inc. | Tunable CVD diamond structures |
US8591856B2 (en) * | 1998-05-15 | 2013-11-26 | SCIO Diamond Technology Corporation | Single crystal diamond electrochemical electrode |
US6582513B1 (en) * | 1998-05-15 | 2003-06-24 | Apollo Diamond, Inc. | System and method for producing synthetic diamond |
US6497712B1 (en) | 2000-02-14 | 2002-12-24 | Fred T. Feaster | Keratotomy surgery knife |
US20030088258A1 (en) * | 2000-02-14 | 2003-05-08 | Feaster Fred T. | Keratotomy surgery knife |
AU2001264626A1 (en) * | 2000-05-17 | 2001-11-26 | Addition Technology, Inc. | Multiple headed instrument for corneal surgery |
JP4269300B2 (en) * | 2000-08-30 | 2009-05-27 | マニー株式会社 | Ophthalmic knife |
IL156831A0 (en) | 2001-01-18 | 2004-02-08 | Univ California | Minimally invasive glaucoma surgical instrument and method |
JP2002345834A (en) * | 2001-05-25 | 2002-12-03 | Manii Kk | Medical knives |
WO2003014427A1 (en) | 2001-08-08 | 2003-02-20 | Apollo Diamond, Inc. | System and method for producing synthetic diamond |
US6547802B1 (en) * | 2001-08-21 | 2003-04-15 | Ravi Nallakrishnan | Surgical blade |
JP4189320B2 (en) * | 2001-11-30 | 2008-12-03 | 国際交易株式会社 | Corneal surgery medical instrument |
US7374566B1 (en) * | 2002-10-10 | 2008-05-20 | Schossau Tom M | Surgical knives for large, self-sealing corneal incisions coupled to a universal intraocular lens (IOL) injector |
EP1610741A1 (en) * | 2003-04-07 | 2006-01-04 | Bausch & Lomb Incorporated | Bar-link drive system for a microkeratome |
CA2528060C (en) | 2003-06-10 | 2012-12-11 | Neomedix Corporation | Device and methods useable for treatment of glaucoma and other surgical procedures |
AU2003240868A1 (en) * | 2003-06-18 | 2005-01-04 | Manuel Morros Lopez | Surgical blade |
JP4143708B2 (en) * | 2003-06-25 | 2008-09-03 | マニー株式会社 | Medical knife |
JP4161026B2 (en) * | 2003-07-01 | 2008-10-08 | マニー株式会社 | Medical knife |
US7144403B2 (en) * | 2003-07-29 | 2006-12-05 | Alcon, Inc. | Surgical knife |
US20050028385A1 (en) * | 2003-08-07 | 2005-02-10 | Jun Zheng | Letter opener |
WO2005080645A2 (en) * | 2004-02-13 | 2005-09-01 | Apollo Diamond, Inc. | Diamond structure separation |
US20060217750A1 (en) * | 2005-03-25 | 2006-09-28 | Alcon, Inc. | Surgical knife |
US8080028B2 (en) * | 2005-12-05 | 2011-12-20 | Novartis Ag | Surgical device includes an anti-microbial coating |
JP5185260B2 (en) * | 2007-04-27 | 2013-04-17 | マニー株式会社 | Peeling knife |
US20080319463A1 (en) * | 2007-06-19 | 2008-12-25 | Dyson William Hickingbotham | Apparatus, system and method for illuminated membrane manipulator |
JP5221916B2 (en) * | 2007-09-05 | 2013-06-26 | 株式会社貝印刃物開発センター | Surgical knife |
JP5433227B2 (en) * | 2008-12-26 | 2014-03-05 | マニー株式会社 | Medical knife |
RU2528853C2 (en) * | 2009-02-20 | 2014-09-20 | Альберт ДАКСЕР | Corneal cutter |
US7972348B1 (en) * | 2009-03-11 | 2011-07-05 | Deroyal Industries, Inc. | Single use scleral marker |
US8943700B2 (en) * | 2009-11-04 | 2015-02-03 | Micro Edge, Inc. | Modular scalpel with retractable blade |
US9872799B2 (en) | 2012-04-24 | 2018-01-23 | The Regents Of The University Of Colorado, A Body Corporate | Intraocular device for dual incisions |
US10327947B2 (en) * | 2012-04-24 | 2019-06-25 | The Regents Of The University Of Colorado, A Body Corporate | Modified dual-blade cutting system |
US10682254B2 (en) | 2012-04-24 | 2020-06-16 | The Regents Of The University Of Colorado, A Body Corporate | Intraocular device for dual incisions |
JP6317934B2 (en) * | 2014-01-31 | 2018-04-25 | 株式会社貝印刃物開発センター | Medical knife |
BR112018012876A2 (en) | 2015-12-23 | 2018-12-04 | New World Medical Inc | ophthalmic scalpel and methods of use |
US10779991B2 (en) | 2015-12-23 | 2020-09-22 | The Regents of the University of Colorado, a body corporated | Ophthalmic knife and methods of use |
JP6457985B2 (en) | 2016-08-29 | 2019-01-23 | マニー株式会社 | Medical knife |
BR112019017027A2 (en) | 2017-02-16 | 2020-04-14 | Neomedix Corp | devices, systems and methods for minimally invasive glaucoma surgery |
JP6898505B1 (en) * | 2020-10-13 | 2021-07-07 | 株式会社貝印刃物開発センター | Lacrimal sac incision knife |
WO2023177761A2 (en) | 2022-03-16 | 2023-09-21 | Sight Sciences, Inc. | Devices and methods for intraocular tissue manipulation |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688570A (en) | 1981-03-09 | 1987-08-25 | The Regents Of The University Of California | Ophthalmologic surgical instrument |
US5098438A (en) | 1990-08-23 | 1992-03-24 | Siepser Steven B | Procedures for intraocular surgery |
US5201747A (en) | 1992-02-20 | 1993-04-13 | Douglas Mastel | Ophthalmological surgical instrument having a triple edge tip |
US5203865A (en) | 1990-08-23 | 1993-04-20 | Siepser Steven B | Surgical knives for use in ophthalmic surgery |
US5217476A (en) | 1991-10-01 | 1993-06-08 | Medical Sterile Products, Inc. | Surgical knife blade and method of performing cataract surgery utilizing a surgical knife blade |
US5222967A (en) | 1992-04-08 | 1993-06-29 | Magnum Diamond Corporation | Keratorefractive diamond blade and surgical method |
US5224950A (en) | 1991-10-02 | 1993-07-06 | Prywes Arnold S | Color calibrated multi-function scalpel blade for intraocular and other surgery and associated methods of use |
US5336235A (en) | 1991-07-23 | 1994-08-09 | Myers William D | Keratome |
US5370652A (en) | 1992-10-08 | 1994-12-06 | Kellan; Robert E. | Surgical knife blade for making sutureless incisions in the eye and methods therefor |
US5376099A (en) | 1992-09-17 | 1994-12-27 | Kmi, Inc. | Undercut diamond surgical blade and method of using the same |
US5405355A (en) | 1993-09-10 | 1995-04-11 | Vitrophage, Inc. | Method of radial keratotomy employing a vibrating cutting blade |
US5857995A (en) * | 1996-08-15 | 1999-01-12 | Surgical Dynamics, Inc. | Multiple bladed surgical cutting device removably connected to a rotary drive element |
US6056764A (en) * | 1998-03-18 | 2000-05-02 | Smith; Thomas C. | Opthalmic surgical blade having hard single bevel edges |
-
1996
- 1996-11-15 US US08/751,118 patent/US5713915A/en not_active Ceased
-
1999
- 1999-07-29 US US09/363,520 patent/USRE37304E1/en not_active Expired - Lifetime
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4688570A (en) | 1981-03-09 | 1987-08-25 | The Regents Of The University Of California | Ophthalmologic surgical instrument |
US5098438A (en) | 1990-08-23 | 1992-03-24 | Siepser Steven B | Procedures for intraocular surgery |
US5203865A (en) | 1990-08-23 | 1993-04-20 | Siepser Steven B | Surgical knives for use in ophthalmic surgery |
US5336235A (en) | 1991-07-23 | 1994-08-09 | Myers William D | Keratome |
US5217476A (en) | 1991-10-01 | 1993-06-08 | Medical Sterile Products, Inc. | Surgical knife blade and method of performing cataract surgery utilizing a surgical knife blade |
US5224950A (en) | 1991-10-02 | 1993-07-06 | Prywes Arnold S | Color calibrated multi-function scalpel blade for intraocular and other surgery and associated methods of use |
US5201747A (en) | 1992-02-20 | 1993-04-13 | Douglas Mastel | Ophthalmological surgical instrument having a triple edge tip |
US5222967A (en) | 1992-04-08 | 1993-06-29 | Magnum Diamond Corporation | Keratorefractive diamond blade and surgical method |
US5222967B1 (en) | 1992-04-08 | 1998-01-20 | Magnum Diamond Corp | Keratorefractive diamond blade and surgical method |
US5376099A (en) | 1992-09-17 | 1994-12-27 | Kmi, Inc. | Undercut diamond surgical blade and method of using the same |
US5370652A (en) | 1992-10-08 | 1994-12-06 | Kellan; Robert E. | Surgical knife blade for making sutureless incisions in the eye and methods therefor |
US5405355A (en) | 1993-09-10 | 1995-04-11 | Vitrophage, Inc. | Method of radial keratotomy employing a vibrating cutting blade |
US5857995A (en) * | 1996-08-15 | 1999-01-12 | Surgical Dynamics, Inc. | Multiple bladed surgical cutting device removably connected to a rotary drive element |
US6056764A (en) * | 1998-03-18 | 2000-05-02 | Smith; Thomas C. | Opthalmic surgical blade having hard single bevel edges |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6554840B2 (en) * | 2000-02-29 | 2003-04-29 | Mani, Inc. | Medical scalpel |
US6663644B1 (en) * | 2000-06-02 | 2003-12-16 | Med-Logics, Inc. | Cutting blade assembly for a microkeratome |
US8409462B2 (en) | 2002-03-11 | 2013-04-02 | Beaver-Visitec International (Us), Inc. | System and method for the manufacture of surgical blades |
US7906437B2 (en) | 2002-03-11 | 2011-03-15 | Beaver-Visitec International (Us), Inc. | System and method for the manufacture of surgical blades |
US20050188548A1 (en) * | 2002-03-11 | 2005-09-01 | Daskal Vadim M. | Silicon blades for surgical and non-surgical use |
US20030199165A1 (en) * | 2002-03-11 | 2003-10-23 | Becton, Dickinson And Company | System and method for the manufacture of surgical blades |
US20110192819A1 (en) * | 2002-03-11 | 2011-08-11 | Beaver-Vistec International, Inc. | System and method for the manufacture of surgical blades |
US20050155955A1 (en) * | 2003-03-10 | 2005-07-21 | Daskal Vadim M. | Method for reducing glare and creating matte finish of controlled density on a silicon surface |
US20090007436A1 (en) * | 2003-03-10 | 2009-01-08 | Daskal Vadim M | Silicon blades for surgical and non-surgical use |
US20070187874A1 (en) * | 2003-09-17 | 2007-08-16 | Daskal Vadim M | System and method for creating linear and non-linear trenches in silicon and other crystalline materials with a router |
US7785485B2 (en) | 2003-09-17 | 2010-08-31 | Becton, Dickinson And Company | System and method for creating linear and non-linear trenches in silicon and other crystalline materials with a router |
US7465310B2 (en) | 2003-09-30 | 2008-12-16 | Kai & R&D Center Co., Ltd. | Medical knife |
US20050266680A1 (en) * | 2004-04-30 | 2005-12-01 | Daskal Vadim M | Methods of fabricating complex blade geometries from silicon wafers and strengthening blade geometries |
US9808279B2 (en) | 2011-04-28 | 2017-11-07 | Kai R&D Center Co., Ltd. | Medical knife |
US9329309B2 (en) | 2012-02-27 | 2016-05-03 | E-Vision Smart Optics, Inc. | Electroactive lens with multiple depth diffractive structures |
US10054725B2 (en) | 2012-02-27 | 2018-08-21 | E-Vision Smart Optics, Inc. | Electroactive lens with multiple depth diffractive structures |
WO2017039463A1 (en) * | 2015-09-05 | 2017-03-09 | Indywidualna Specjalistyczna Praktyka Lekarska Dr Med. Bartłomiej Kałużny | Tool for corneal and scleral incisions |
Also Published As
Publication number | Publication date |
---|---|
US5713915A (en) | 1998-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
USRE37304E1 (en) | Surgical knife blade | |
US6139559A (en) | Surgical blade | |
US5201747A (en) | Ophthalmological surgical instrument having a triple edge tip | |
US5376099A (en) | Undercut diamond surgical blade and method of using the same | |
US5217476A (en) | Surgical knife blade and method of performing cataract surgery utilizing a surgical knife blade | |
US5224950A (en) | Color calibrated multi-function scalpel blade for intraocular and other surgery and associated methods of use | |
US5423840A (en) | Keratorefractive diamond blade and surgical method | |
US6056764A (en) | Opthalmic surgical blade having hard single bevel edges | |
US6099543A (en) | Ophthalmic surgical blade | |
US6171324B1 (en) | Marker for corneal incision | |
US6231583B1 (en) | Corneal circular channel dissecting device | |
US5336235A (en) | Keratome | |
US5571124A (en) | Apparatus and method for performing surgery on the cornea of an eye | |
US6547802B1 (en) | Surgical blade | |
US6497712B1 (en) | Keratotomy surgery knife | |
US20170319230A1 (en) | Skin surgery knife | |
EP1809219B1 (en) | Surgical knife blade with hollow bevel | |
US6554847B2 (en) | Zero compression microkeratome cutting head assembly | |
US20050131435A1 (en) | Microkeratome cutting-head for use with a single-bevel cutting-blade assembly | |
EP1464312A1 (en) | Blade for a surgical device for processing the cornea | |
US6966921B2 (en) | Device for radial optic neurotomy | |
US5662668A (en) | Blade for intrastromal radial keratotomy | |
RU2639852C1 (en) | Tool kit for synustrabeculecectomy | |
US20030088258A1 (en) | Keratotomy surgery knife | |
CN216091026U (en) | Ophthalmic surgical blade and knife |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Fee payment |
Year of fee payment: 4 |
|
SULP | Surcharge for late payment | ||
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |
|
AS | Assignment |
Owner name: GOLUB CAPITAL MARKETS LLC, AS ADMINISTRATIVE AGENT, NEW YORK Free format text: SECURITY INTEREST;ASSIGNOR:KATENA PRODUCTS, INC.;REEL/FRAME:043891/0090 Effective date: 20171017 Owner name: GOLUB CAPITAL MARKETS LLC, AS ADMINISTRATIVE AGENT Free format text: SECURITY INTEREST;ASSIGNOR:KATENA PRODUCTS, INC.;REEL/FRAME:043891/0090 Effective date: 20171017 |
|
AS | Assignment |
Owner name: GOLUB CAPITAL LLC, AS ADMINISTRATIVE AGENT, NEW YORK Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE PREVIOUSLY RECORDED AT REEL: 043891 FRAME: 0090. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT;ASSIGNOR:KATENA PRODUCTS, INC.;REEL/FRAME:044245/0559 Effective date: 20171020 Owner name: GOLUB CAPITAL LLC, AS ADMINISTRATIVE AGENT, NEW YO Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE EXECUTION DATE PREVIOUSLY RECORDED AT REEL: 043891 FRAME: 0090. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT;ASSIGNOR:KATENA PRODUCTS, INC.;REEL/FRAME:044245/0559 Effective date: 20171020 |
|
AS | Assignment |
Owner name: KATENA PRODUCTS, INC., NEW JERSEY Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:GOLUB CAPITAL MARKETS LLC, F/K/A GCI CAPITAL MARKETS LLC, AS ADMINISTRATIVE AGENT;REEL/FRAME:058257/0135 Effective date: 20211201 |