Artificial gland

• US 3,093,831 A
• Filed: 10/22/1959
• Issued: 06/18/1963
• Est. Priority Date: 10/22/1959
• Status: Expired due to Term

• Current Assignee: Wilhelm Jordan Gerhard Paul
• Original Assignee: Wilhelm Jordan Gerhard Paul
• Inventors: WILHELM JORDAN GERHARD PAUL
• Application Number:
  US03/847,994
• Time in Patent Office: 1,335 Days
• US Class Current: 623/23.64
• CPC Class Codes: A61F 2/022 Artificial gland structures using bioreactors hemodialysis A61M1/16; hemofiltration A61M1/34; other extracorporeal blood treatment A61M1/36
• CPC Class Codes: A61K 35/55 Glands not provided for in groups A61K35/22 - A61K35/545, e.g. thyroids, parathyroids or pineal glands
• CPC Class Codes: A61M 31/002 Devices for releasing a drug at a continuous and controlled rate for a prolonged period of time artificial gland structures or devices A61F2/022; intra-uterine contraceptive devices A61F6/14; tampons for introducing into the vagina A61F13/20, A61L15/00; suppositories or bougies for intra-vaginal or intra-uterine application A61K9/02; physical forms of medicinal preparations for sustained or differential drug release A61K9/20, A61K9/50
• CPC Class Codes: A61M 5/00 Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests vaccination appliances for veterinary use A61D1/025 ; tube connectors, tube couplings, valves or branch units specially adapted for medical use A61M39/00; containers specially adapted for medical or pharmaceutical purposes A61J1/00; combinations of vial and syringe for mixing or transferring their contents A61J1/20; holders for containers for collecting, storing or administering blood or medical fluids A61J1/16

Claims

6. AN IMPLANTABLE GLAND COMPRISING LIVING HORMONEPRODUCING TISSUE COMPLETELY ENCLOSED IN A CONTAINER, AT LEAST A PORTION OF THE WALLS OF SAID CONTAINER BEING FORMED OF A SEMIPERMEABLE MEMBRANE, SAID SEMIPERMEABLE MEMBRANE HAVING PORES WITH A MAXIMUM SIZE OF ABOUT 5 MILLIMICRONS AND BEING MADE FROM A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CELLULOSE, CELLULOSE HYDRATE, AND CELLULOSE ESTERS.