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Aksys Ltd. provides hemodialysis products and services for patients suffering from end-stage renal disease, known as chronic kidney failure. The company offers an automated personal hemodialysis system, known as the Aksys PHD, a Personal Hemodialysis System (PHD System), which is designed to enable patients to perform frequent hemodialysis at alternate sites, such as their own homes. The PHD System is designed to monitor, during the treatment, various vital statistics, including the patient's blood flow rate, the amount of water removed from the patient, the length of the treatment session, and other parameters. It also evaluates the performance of the artificial kidney in removing toxins from the patient's blood prior to each treatment, as well as automatically evaluates the water treatment filters and indicates whether a replacement is required and verifies that safety systems, sensors, and alarms are operating correctly. Aksys Ltd. also provides various services, including the delivery and installation of the PHD System; technical services, including maintenance and repair of the PHD System; delivery of consumables used in dialysis, such as the water purification components and dialysate concentrate; and artificial kidney, and arterial and venous blood tubing. The company markets its products and services, primarily to healthcare providers, such as hospitals, dialysis clinics, managed care organizations, and nephrology physician groups in the United States, the United Kingdom, and Japan. Aksys Ltd. was founded in 1991 and is headquartered in Lincolnshire, Illinois.

Echo Therapeutics, Inc. is a medical device company, which engages in the development of non-invasive, and wireless continuous glucose monitoring system for use in the diabetes outpatient market. It offers needle-free skin preparation device as a platform technology that allows for enhanced skin permeation enabling extraction of analytes, such as glucose and delivery of topical pharmaceuticals. The company was founded in 1989 and is headquartered in Iselin, NJ.

Escalon Medical Corp. engages in the development, manufacturing, marketing, and distribution of medical devices and pharmaceuticals in the area of ophthalmology in the United States and internationally. It offers A-Scan, which provides information about the internal structure of the eye; B-Scan, a diagnostic tool that supplies information to physicians where the media within the eye are cloudy or opaque; UBM, a high frequency/high resolution ultrasound device, which provides detailed information about the anterior segment of the eye; and Pachymeter that measures the thickness of cornea. The company also provides Ispan Intraocular Gases, such as C3F8 and SF6 that are used by vitreoretinal surgeons as a temporary tamponade in detached retina surgery; and AXIS Image management system for managing ophthalmic diagnostic images through the web browser from various devices. In addition, it markets disposable surgical packs used in vitreoretinal surgery, including packs that aid surgeons in the process of injecting and extracting silicone oil. Further, the company engages in the manufacturing and distribution of patented disposable universal gas kit, which delivers the gas from the canister to the patient. It sells its products to medical institutions through independent sales representatives, network of distributors, and internal sales employees. Escalon Medical Corp. was incorporated in 1987 and is headquartered in Wayne, Pennsylvania.

SpectraScience, Inc. develops and markets a technology platform to instantly determine whether a tissue is normal, pre-cancerous, or cancerous without the need for a physical biopsy in the United States, Europe, and internationally. It offers WavSTAT3 optical biopsy system to determine whether a colon tissue is normal, pre-cancerous, or cancerous without physically removing tissue from the body; and WavSTAT4 optical biopsy system, a colon diagnostic product that operates by using UV laser light to optically illuminate and analyze tissue, enabling the physician to make an instant diagnosis during endoscopy when screening for cancer. The company also sells mobile consoles and disposable forceps. In addition, it engages in developing an esophageal diagnosis application for the detection of pre-cancerous and cancerous tissues in various tissues of the body. The company was formerly known as GV Medical, Inc. and changed its name to SpectraScience, Inc. in October 1992. SpectraScience, Inc. was founded in 1983 and is based in San Diego, California.

Urologix, Inc. develops, manufactures, markets, and distributes minimally invasive medical products for the treatment of obstruction and symptoms due to benign prostatic hyperplasia (BPH) in the United States. The company offers Cooled ThermoTherapy, which produces targeted microwave energy combined with a cooling mechanism to protect healthy tissue and enhance patient comfort. It also provides Prostiva RF Therapy System that delivers radio frequency energy directly into the prostate to destroy prostate tissue, reduce constriction of the urethra, and relieve BPH symptoms. It serves patients and clinicians. Urologix, Inc. was founded in 1991 and is based in Minneapolis, Minnesota.