[특허]Microkeratome

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-009/00
출원번호	US-0473582 (1999-12-28)
발명자 / 주소	Garabet Antoine Kuklin Yevgeniy
대리인 / 주소	Christie, Parker & Hale, LLP
인용정보	피인용 횟수 : 45 인용 특허 : 27

초록 ▼

A microkeratome for use with a handpiece and a microkeratome blade, the microkeratome having a positioning assembly and a head portion with a base portion and an insert portion. The positioning assembly has a platform with a corneal opening and a suction ring for application to the surface of the pa

A microkeratome for use with a handpiece and a microkeratome blade, the microkeratome having a positioning assembly and a head portion with a base portion and an insert portion. The positioning assembly has a platform with a corneal opening and a suction ring for application to the surface of the patient's eyeball. The positioned assembly has two spaced apart guide walls that are high enough to prevent a patient's eyelids from passing over the upper surface of the positioning assembly. The base portion has a lower planar face with a base slot extending therethrough through which the microkeratome blade will extend, and opposing sides with skates to slidably engage with inner sliding surfaces of guide walls. The insert portion lockably fits into the base portion. Stops are present to control the amount of uncut corneal flap.

대표청구항 ▼

[ What is claimed is:] [1.]1. A microkeratome adapted to be used with a microkeratome handpiece with an oscillating tip and a microkeratome blade, the microkeratome being for use in carrying out a keratectomy of a patient's eyeball to create a corneal flap, the microkeratome comprising:a) a position

[ What is claimed is:] [1.]1. A microkeratome adapted to be used with a microkeratome handpiece with an oscillating tip and a microkeratome blade, the microkeratome being for use in carrying out a keratectomy of a patient's eyeball to create a corneal flap, the microkeratome comprising:a) a positioning assembly having a platform with an upper surface and a lower surface with a corneal opening formed therethrough, the lower surface comprising a suction ring for application to the surface of the patient's eyeball around the cornea, a vacuum aspiration port in communication with the suction ring, and first and a second spaced apart guide walls extending upwardly from the upper surface of the platform and having outer surfaces, and parallel inner surfaces, the first and the second spaced apart guide walls being high enough to prevent a patient's eyelids from passing over the upper surface of the positioning assembly, the guide walls having first sliding engagement means formed on the inner surfaces thereof;b) a microkeratome head portion comprising, a base portion and an insert portion,the base portion comprising a lower planar face with a base slot extending therethrough, a front portion, a rear portion, opposing sides having second sliding engagement means formed thereon adapted for slidably engaging the head portion with the first sliding engagement means on the first and second guide walls such that the lower planar face will slide above the upper surface of the platform of the positioning assembly, and a cavity which communicates with the base slot, the rear portion having an alignment aperture formed therethrough, andthe insert portion comprising a blade retention slot for slidably receiving a microkeratome blade, the insert portion fitting within the cavity of the base portion and having a front and a rear, an aperture formed through the rear which aligns with the alignment aperture formed in the base portion when the insert portion is engaged with the base portion in an operation mode; andc) a stop means for preventing the head portion from passing completely through the positioning assembly to thereby leave an uncut section of corneal flap after completing the keratectomy.

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이 특허에 인용된 특허 (27) 인용/피인용 타임라인 분석

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Hellenkamp Johann F. (7740 SW. 75th Ter. Miami FL 33143), Automatic surgical device for cutting a cornea.
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Peyman Gholam A., Internal keratome apparatus and method for using the same to form a pocket/flap between layers of a live cornea.
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Barron Mark B. ; Barron Milford, Keratome for performing eye surgery and method for using same.
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Smith G. Richard (Fountain Hills AZ), Keratome with spring loaded adjustable plate, cutting length adjustment plate, method of cutting a corneal flap, and gau.
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Smith Alan D. (1406 French Ave. Odessa TX 79761), Keratoscopic surgical instrument for making radial and arcuate corneal incisions.
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Hanna Khalil (19 ; rue las Cazes 75007 Paris FRX), Keratotome for performing arcuate incisions.
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Kamerling William (423 Clements Bridge Rd. Barrington NJ 08007) Allen ; Jr. Fred D. (c/o William Kamerling ; 423 Clements Bridge Rd. Barrington NJ 08007), Method and apparatus for performing keratotomy.
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Kritzinger Michiel S.,ZAX ; Updegraff Stephen A., Method for reducing irregular astigmatism and debris/epithelium in the interface during lamellar corneal flap/cap surge.
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Kremer Frederic B. (887 Roscommon Rd. Bryn Mawr PA 19010) Clupper Harold E. (Little Shiloh Rd. West Chester PA 19380), Microkeratome.
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Clark Raymond C. (Caputa SD) Grisel Hilton L. (Sturgis SD) Reimann Kent D. (Rapid City SD), Microkeratome and method and apparatus for calibrating a microkeratome.
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Ziemer Frank,CHX, Microkeratome for performing lasik surgery.
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Dybbs Alexander (2588 Edgerton Rd. Cleveland OH 44118), Ophthalmic surgical instrument and method.
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Hellenkamp Johann F., Positioning assembly for retaining and positioning a cornea.
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Giraud Clarence E. (Mesa AZ) Koepnick Russell G. (Phoenix AZ), Sectioning device for lamellar surgery.
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Hanna Khalil,FRX, Surgical appliance for slicing a sliver from the cornea.
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Gordon Eugene Irving ; Turdiu Parid, Tissue removal.
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Koepnick Russell G. (2323 N. Central Ave. ; #1505 Phoenix AZ 85004), Universal automated keratectomy apparatus and method.
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Koepnick Russell G. (4435 N. 78th St. #113A Scottsdale AZ 85251), Universal automated keratectomy apparatus and method.
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Koepnick Russell G. (4435 N. 78th St. #113A Scottsdale AZ 85251), Universal automated keratectomy apparatus and method.
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