Stephen Wei Wu Chen

US Patent:

8147467, Apr 3, 2012

Filed:

Sep 24, 2009

Appl. No.:

12/566586

Inventors:

Stephen C Chen - Weston MA, US

International Classification:

A61H 35/02
A61F 9/00

US Classification:

604302, 60620425

Abstract:

A device enables a patient to perform non-invasive punctal occlusion by applying firm pressure to the skin external to the lacrimal canaliculi during the administration of eyedrop medicine, for the purpose of prolonging the medicine retention time. The device of this invention may be adjusted to fit the nasal aspect of the orbital rims where the lacrimal canaliculi are located. The pressure to be applied on the lacrimal canaliculi is adjustable to meet the optimal pressure requirement. The device also has a visual reference attachment that provides visual referencing points for positioning the tip of the eyedrop bottle towards the eyes. This device enables a hands-free operation and does not interfere with the wearing of eyeglasses.

US Patent:

20120210553, Aug 23, 2012

Filed:

Feb 17, 2011

Appl. No.:

13/029759

Inventors:

Stephen C. Chen - Weston MA, US

International Classification:

B23P 17/04
B66C 1/02

US Classification:

29428, 294183

Abstract:

The embodiment of this invention is a high capacity vacuum suction cup that is very light in weight and can hold up a very heavy load. The light weight construction includes a radial laminated, flexible Kevlar fabric suction cup reinforced with a rigid outskirt ring. The hoist ring attachment assembly is optimally sized for grabbing the cup but not breaking the cup fabric under minimum weight constraint. The suction cup utilizes a gum material sealer ring to seal vacuum on unsmooth but nonporous surface. The suction cup has a vacuum hose attachment nozzle that allows hooking up of external vacuum hose. A typical high capacity suction cup of this invention weighs about five pounds and can hold up more than 2,500 pounds of load.

US Patent:

20170325996, Nov 16, 2017

Filed:

May 11, 2016

Appl. No.:

15/152546

Inventors:

Stephen C. Chen - Weston MA, US

International Classification:

A61F 9/00
A61F 9/00
A61B 17/00

Abstract:

A device is used to temporarily compress the nasolacrimal ducts to reduce outflow of eyedrop during and after eyedrop instillation. The device is to be hand bended to snuggly fit any adult head sizes with any facial features so that the nose pads may apply firm pressure over the nasal aspect of the orbital rim where nasolacrimal ducts lay underneath the skin. The pressure delivered by the device is consistent and is controllable by the user. The device includes failure mechanism to protect against excessive pressure. By keeping eyedrops in the eye, medication absorption is improved and bitter taste due to eydrop outflow is reduced or eliminated. It alleviates the burden of manual nasolacrimal occlusion currently practiced by eye patients and is best for frequent, multiple eyedrops users.

Address:

7026 Ellingham Cir, Alexandria, VA 22315

Phone:

7039210729

VIN:

1C3LN65L97X070414

Make:

CHRYSLER

Model:

CROSSFIRE

Year:

2007