Patents by Inventor Manfred Boebel

Manfred Boebel 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: 4273129
    Abstract: This invention relates to forceps for applying a clip to a Fallopian tube. The clip is in one piece and made of a somewhat flexible plastics material. It has two separable arms which are connected by a flexible strip: one of these arms has a catch recess in a free end thereof to face the strip, into which recess the end of one of said spring arms is pressable by elastic deformation.According to the invention the forceps have an outer shaft to receive the clip open in a distal cut-out with the straight arm extended; the forceps additionally comprise two proximal handle members for opening and closing and consisting of a pivotally arranged two-armed closing lever. One arm of this closing lever has a distal flat face flush with the outer shaft so the forceps may be inserted through an outer trocar tube.
    Type: Grant
    Filed: June 20, 1979
    Date of Patent: June 16, 1981
    Assignee: Richard Wolf GmbH
    Inventor: Manfred Boebel
  • Patent number: 4233982
    Abstract: A trocar sleeve of the kind having a widened part forming a housing between the distal portion of the sleeve and its proximal portion, which latter extends from a plug for the widened housing part, and a normally closed ball valve in the widened housing part openable by a trocar passing through the sleeve.The widened part forming the housing receives an insert of U-shaped cross section secured to the plug to stress an inserted sealing gasket of deformation-resistant plastics material which provides a valve seating. The space in the U formed by the insert forms a space for the ball of the ball valve to move in, and the ball, is connected to a shaft insertable in the insert and carrying a tangentially loaded helical spring.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: November 18, 1980
    Assignee: Richard Wolf GmbH
    Inventors: Siegfried Bauer, Manfred Boebel