Tag Archives: Alcon

PTAB Upholds Alcon Patent For Glaucoma Treatment

As reported by Law360 at URL: https://www.law360.com/ip/articles/1085124/ptab-upholds-alcon-patent-for-glaucoma-treatment

The Final Written Decision itself is included below, and can be downloaded by clicking this link:

Argentum-v-Alcon-FWD-IPR2017-01053

The patent may be viewed at the USPTO website at
http://pdfpiw.uspto.gov/.piw?Docid=08268299.

PTAB Upholds Alcon Patent For Glaucoma Treatment

Law360 (September 21, 2018, 8:52 PM EDT) — The Patent Trial and Appeal Board on Thursday upheld the validity of an Alcon patent covering the glaucoma treatment Travatan Z, rejecting arguments by generics maker Argentum that the invention was obvious.

The board held that Argentum Pharmaceuticals LLC failed to establish that a combination of publications and patents that preceded Alcon Research Ltd.’s patent would have made the challenged patent claims obvious for an ordinarily skilled artisan, according to the final written decision. Continue reading

Alcon Research obtains patent: “Phacoemulsification hand piece with integrated aspiration pump”

January 9, 2018: Alcon Research, Ltd. of Forth Worth, TX, obtained U.S. Patent No. 9,861,522, “Phacoemulsification hand piece with integrated aspiration pump”.

According to the abstract of the patent:

An ophthalmic surgical hand piece comprises a driver coupled to a horn. The horn is coupled to a needle. An aspiration pump is integral with the hand piece and is located close to the needle. A rigid length of aspiration line is located between the aspiration pump and the needle. An optional pressure sensor is located between the aspiration pump and the needle as well.

Claim 1 of the issued patent recites:
1. An ophthalmic surgical hand piece comprising:
a driver coupled to a horn, the horn coupled to a needle;
an aspiration pump integral with the hand piece, the aspiration pump located close to the needle, the aspiration pump comprising:
a motor; and
a shaft having a spiral structure coupled to the motor;
a rigid length of aspiration line located between the aspiration pump and the needle, and
a removable cartridge, the removable cartridge comprising:
a flexible tubing pressed against the spiral structure operable to cause movement of fluid within the flexible tubing as the shaft is rotated by the motor; and
a securing mechanism operable to secure the removable cartridge to a remainder of the hand piece.

The patent may be viewed at the USPTO website at
http://pdfpiw.uspto.gov/.piw?Docid=09861522.

Alcon Research obtains patent: “Retinal laser surgery”

December 26, 2017: Alcon Research, Ltd. of Fort Worth, TX, obtained U.S. Patent No. 9,849,034, “Retinal laser surgery”.

According to the abstract of the patent:

Various systems, processes, and computer program products may be used to perform retinal laser surgery. In particular implementations, systems, processes, and computer program products may include the ability to identify retina blood vessels from a retina image and determine a retina location needing therapy and not substantially intersecting a retina blood vessel. The systems, processes, and computer program products may also include the ability to generate a command to activate a retinal laser when a beam from the retinal laser will be aligned with the therapeutic location.

Issued Claim 1 recites:

1. A system comprising:
an image processing subsystem to identify retina blood vessels in first image of a retina;
a laser subsystem to apply a therapeutic shot to the retina;
a laser control subsystem to determine a retina therapeutic location needing therapy, determine whether the therapeutic location substantially intersects an identified retina blood vessel, and if the therapeutic location substantially intersects an identified retina blood vessel, then determine a different therapeutic location that does not substantially intersect an identified retina blood vessel, the laser control subsystem configured to generate a command to activate the laser subsystem for the therapeutic location when a beam from the laser subsystem is aligned with the therapeutic location that does not substantially intersect an identified retina blood vessel; and
an imaging subsystem to obtain a second image of the retina, wherein the second image of the retina is a real-time retina image;
wherein the image processing subsystem is configured to determine reflectivity of a retina location during a therapeutic laser shot;
wherein the laser control subsystem is configured to adjust the therapeutic laser shot based on the determined reflectivity and a variability limit established by a user for a laser setting; and
wherein the image processing subsystem is configured to register the retina blood vessels of the second image with the retinal blood vessels of the first image.

The patent may be viewed at the USPTO website at http://pdfpiw.uspto.gov/.piw?Docid=09849034.

Alcon: Application published: “Intra-Surgical Optical Coherence Tomographic Imaging Of Cataract Procedures”

December 22, 2016: The USPTO today published a patent application filed by Alcon Lensx, Inc. of Aliso Viejo, CA, U.S. Application Publication No. 2016/0367399, “Intra-Surgical Optical Coherence Tomographic Imaging Of Cataract Procedures”.

According to the published abstract:

A cataract surgical system includes a laser source to generate a first set of laser pulses; a guiding optic to guide the first set of laser pulses to a target region in an eye; a laser controller to generate an electronic representation of a target scan pattern, and to control the guiding optic to scan the first set of laser pulses according to a portion of the target scan pattern to create a first photo-disrupted region in the target region; and an Optical Coherence Tomographic (OCT) imaging system to generate an image of a portion of the first photo-disrupted region. The laser controller can generate an electronic representation of a modified scan pattern in relation to the image generated by the OCT imaging system, and control the guiding optic to scan a second set of laser pulses according the modified scan pattern.

The published application can be viewed at the USPTO website at http://pdfaiw.uspto.gov/.aiw?Docid=20160367399.

Note: A published application is not an issued patent. The USPTO automatically publishes most applications 18 months after filing, and the publication is a copy of the as-filed application, without examination.

Alcon Research obtains patent: “Retinal surgery”

December 13, 2016: Alcon Research, Ltd. of Irvine, CA, obtained U.S. Patent 9,517,162, “Retinal surgery”

According to the abstract of the patent:

Systems, processes, and computer program products may be used to perform retinal surgery. In particular implementations, a system, a process, and a computer program product may include the ability to inject a retina manipulation fluid into an eye through an injection/extraction system and apply negative pressure to the injection/extraction system to facilitate extraction of fluid from the eye. The system, the process, and the computer program product may also include the ability to adjust the applied negative pressure.

The patent may be viewed at the USPTO website at http://pdfpiw.uspto.gov/.piw?Docid=09517162