45 results about "Extended wear" patented technology

The present invention relates to a soft contact lens, and provides a contact lens which shows small and stable contact angle to water at its surface in water as well as in air, little deposition in wearing, high oxygen permeability, no adhesion of lens to a cornea and superior extended-wearing characteristics. The present invention provides a hydrogel soft contact lens which has contact angle at a lens surface in a range of 10-50° by the captive bubble method in water and 30-90° by the sessile drop method in air, oxygen permeability of not less than 30 and water content of not less than 5%, and also a hydrogel soft contact lens consisting of a polymer comprising a hydrophilic siloxanyl monomer shown by a specified general formula.

The invention provides a disposable sensor patch for non-invasive monitoring and recording of infrequent cardiac events. The patch is thin and flexible for comfortable wear on the person's chest for automatic analysis and recording of ECG. The patch is inexpensive and simple for self-administration. The patch incorporates a battery, ECG amplifier, and a processor for analyzing ECG waveform and recording events. A software algorithm searches for a cardiac abnormality. The patch is designed for continuous long-term wear exceeding 3 days for diagnostic monitoring and exceeding 14 days for event detection. In one embodiment a preformatted report is automatically generated by the patch for wireless transmission to a reporting device such as a generic printer or a wireless network system. The patch may also incorporate a marker switch to correlate recorded ECG data with the patient's perception of a cardiac event.

A nasal cannula apparatus is provided for use by patients desiring a comfortable arrangement. The nasal cannula apparatus is particularly suited for long-term oxygen users, for extended wear in both standing, resting and supine positions. The nasal cannula apparatus has headgear and retainers for holding the gas supply tubes, which are adjustable to allow fast and easy adjustment to size. The headgear and retainers allow the cannula tubes to be held in a position which prevents skin discomfort and irritation, and which promotes healing of such irritation, injuries and sores.

A modular canal hearing device having a speaker module placed in the bony region for extended wear while a main module is removably inserted in the cartilaginous region. The main module wirelessly activates the speaker module when placed in proximity thereto. The main module is removed daily or as needed for maintenance of the hearing device such as for battery replacement. The speaker module remains undisturbed in the bony region to avoid skin friction. The main module contains the microphone, electronics, battery and in the preferred embodiment an inductive coupling coil for inductively sending audio signals to the receiver module. The modular design allows for a highly miniaturized design that is easier to navigate in the ear canal for improved fit and sound fidelity at the eardrum while allowing easy maintenance of a removable module.

Systems and methods of manufacturing ophthalmic lenses, for example, soft, extended wear silicone hydrogel contact lenses, are provided. The systems generally include a housing having an illuminated chamber, a carrier, for example a tray, movable in the illuminated chamber from an inlet portion to an outlet portion of the housing, and the tray configured to carry a plurality of contact lens molds. Polymerizing light energy is provided, for example, by multiple fluorescent lamps, to the molds at an intensity effective to at least initiate polymerization of a monomer composition located in each of the molds. The light may be illuminated onto two opposing sides of each mold. In some cases, the intensity of the light provided to one side of the mold may be different to the light intensity provided to the opposing side of the mold. In addition, the system may include features that are effective to provide for an instantaneous start and an instantaneous end to the light induced cure of the monomer in the molds. The system may include DALI protocol based technology for controlling the fluorescent lamps.

An ultra miniature hearing device for extended wear entirely in the ear canal past the cartilaginous region is provided. The hearing device comprises a microphone and a speaker, each having a respective diaphragm. The speaker and microphone are placed parallel to each other in a single lateral assembly. The microphone and speaker can be arranged such that their diaphragms are orthogonal to one another so that cross coupling of vibrations is minimized, thus reducing internal feedback. Due to the parallel co-placement of the speaker and microphone in the single lateral assembly, the length of the device is substantially shorter than that of prior hearing aid devices. The hearing device is 12 mm or less in length to fit in the bony part of the ear canal for most individuals and is placed within approximately 3 mm from the eardrum.

A face mask for extended wear by a user including a customized, contoured facial mask face surface portion constructed and configured to cover and to contact a corresponding contoured surface area of a human face, preferably formed by 3-D printing methods and materials.

Disclosed are topical compositions, including methods of applying those compositions to absorb sweat and sebum from the skin, wherein the compositions comprise (A) fluid-absorbent solids having a Water Absorption Value of at least about 0.5 grams/gram; (B) an adhesive fluid; and (C) a liquid carrier; herein the composition has an Average Wear Index Value of at least about 60%. The topical compositions provide effective delivery and deposition of the fluid-absorbent solid onto the skin from an extended wear composition.

The invention provides a canal hearing device and method in which the device is implemented with a mode of operation that provides acoustic transparency as well as a power-saving function, particularly useful to permit the user to wear the device in the ear canal during periods of sleep or inactivity without substantial loss of normal unaided response. The transparent mode has an in-situ acoustic transfer function that compensates for the insertion loss caused by the presence of a hearing device in the ear canal. While the device is in this transparent mode, its acoustic transfer function gives the user a perception of unaided hearing, as though the device were removed, when it is actually being worn continuously in the ear canal. Current drain of the device is significantly reduced as the transparent mode serves to shut off or reduce bias currents of at least one circuit element within the device circuitry. The invention is particularly useful in canal hearing devices adapted for extended wear in the ear canal for periods longer than one month without removal.

An improved rotating head that utilizes a box assembly that stores at least one locking element that that allows for movement of the locking balls within the box assembly such that a liner inserted into the box assembly biases the locking elements to a locked position to couple the box assembly and the outer barrel. An integrated wear surface of the present invention seals the bearing elements to extend the life of the rotating head and reduce downtime caused by necessary maintenance of the rotating head.

A transdermal drug delivery device is disclosed. Over an extended wear period, the device causes cumulative moderate irritation plus significant irritation of less than 5% and/or achieves a meaningful degree of detachment over a seven day period of less than 20%.

Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended wear electrode patch and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch. The wearable monitor sits centrally (in the midline) on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline, with its unique narrow “hourglass”-like shape, significantly improves the ability of the wearable monitor to cutaneously sense cardiac electrical potential signals, particularly the P-wave and, to a lesser extent, the QRS interval signals indicating ventricular activity in the ECG waveforms. Additionally, the monitor recorder includes an ECG sensing circuit that measures raw cutaneous electrical signals using a driven reference containing power supply noise and system noise to the reference lead, which is critical to preserving the characteristics of low amplitude cardiac action potentials, particularly P-waves.

Extended wear compositions are disclosed which include the use of silicone resin, a dimethicone solvent, a low viscosity dimethicone dispersant having a viscosity of less than 1,000 cps and a high concentration of colorant or pigments. The resultant low viscosity compositions can be dispensed with a felt tip applicator and still provide extended wear qualities.

The present invention pertains generally to the field of coolants and medical therapy. More particularly, the present invention relates to certain anti-nociceptive agents, such as [((1R,2S,5R)-2-isopropyl-5-methyl-cyclohexanecarbonyl)-amino]-acetic acid isopropyl ester, that are potent and long-acting and selectively cooling for non-keratinized epithelial tissues as compared to keratinized epithelial tissues, and are useful, for example, for the treatment of (e.g., the alleviation of symptoms of; the amelioration of) sensory discomfort of non-keratinized stratified epithelial (NKSE) tissue; and so for treatment of: sensory discomfort of an ocular surface, an eyelid, a margin of an eyelid, an anterior part of an eyeball, a conjunctiva, a lachrymal system, a pre-corneal film, or a cornea, a lining of the oral cavity, an internal portion of the lips, a pharyngeal surface, an esophageal surface, or an anogenital surface; eye discomfort, e.g., caused by extended wear of contact lenses, by eye strain and/or fatigue, by air pollutants, by excessive exposure to the sun, by conjunctivitis, by dry eye syndrome; sensory discomfort associated with oral mucositis; airway (e.g., larynx, trachea, and/or bronchi) tightness, discomfort in the airways (e.g., larynx, trachea, and/or bronchi), choking, cough, and/or dyspnea, e.g., associated with asthma and/or chronic obstructive pulmonary diseases (COPD).

A face mask for extended wear by a user including a customized, contoured facial mask portion constructed and configured to cover and matingly contact a corresponding contoured surface area of a human face, preferably formed by 3D printing methods and materials. The face mask includes strap attachments and at least one strap for securing the customized, contoured facial mask portion to the face.

A hearing aid kit includes a standard fit, completely-in-canal (CIC) hearing aid and a hearing aid tool set. The CIC hearing aid is for extended use and includes a core module inserted into a sleeve. The core module and the sleeve each include various features providing for a minimum overall size, ease of insertion, removal, and cleaning, and enhanced sound transmission. The tool set is configured to be stored and carried in a single piece and provides for adjustment and cleaning of the CIC hearing aid. Open ear fits and occlusive ear fits are possible using different sleeves.