Patents by Inventor Thomas A. Benjamin

Thomas A. Benjamin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4559035
    Abstract: A self-contained, independently operable closed wound suction evacuator which is comprised of a box-like internal body structure disposed within a fluid tight, flexible outer pouch. The pouch includes an inlet/outlet valve for providing communication between the interior of the pouch and the atmosphere of the interior of the pouch and a drainage tube. The box-like internal body structure is capable of being in an engaged position or in a disengaged position. In the disengaged position, the internal box-like structure can remain in a flat condition without causing the tensioning member to be stretched or activated. When ready for use, the internal structure can be manually expanded into its box-like structure. When fully expanded the internal structure will become engaged, hence engaging the tensioning member. Subsequent compression of the internal structure to its flat position stretches the tensioning member and activates the evacuator.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: December 17, 1985
    Assignee: Snyder Laboratories, Inc.
    Inventors: Thomas A. Benjamin, Dean A. Ransom
  • Patent number: 4359053
    Abstract: The invention disclosed is a means of fastening flexible elastic tubing, such as silicone rubber, to a rigid connector. The invention allows for a liquid and gas tight, secure connection without the use of any bonding materials between the tube and the connector and without any external ribbing, threading, texturing, barbing, etc. of any kind on the connector and without any external clamping mechanism used to keep the tubing firmly attached to the rigid connector.The invention allows for the rigid connector portion of a component, such as a wound drainage surgical needle, to have a very smooth cylindrical surface. The use of a smooth surface with no other adhering mechanism to assist in making a secure connection that will not easily pull off is contrary to what is taught in the art.
    Type: Grant
    Filed: June 5, 1980
    Date of Patent: November 16, 1982
    Assignee: Snyder Laboratories, Inc.
    Inventor: Thomas A. Benjamin
  • Patent number: 4094571
    Abstract: A grounding cable clip which may be easily snapped onto and removed from a grounding pad and which may be used to monitor the circuit continuity before and during its application to the patient.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: June 13, 1978
    Assignee: IPCO Hospital Supply Corporation
    Inventor: Thomas A. Benjamin
  • Patent number: 4064760
    Abstract: A mid-stream urine collection device whereby the specimen container is kept completely uncontaminated before, during and after use. The collection device includes a container and a container closing lid having an opening therein. A funnel assembly is mounted over the lid having a funnel member which extends through the opening in the lid. A funnel cover is mounted over the funnel assembly and a seal is provided on the device and which is adapted to be removed from the device and to be applied to the lid and over the opening therein to close the opening in the lid after the container is used.
    Type: Grant
    Filed: December 15, 1976
    Date of Patent: December 27, 1977
    Assignee: IPCO Hospital Supply Corporation
    Inventor: Thomas A. Benjamin