×

Slicing disposable blood sampling device

  • US 5,527,333 A
  • Filed: 09/09/1994
  • Issued: 06/18/1996
  • Est. Priority Date: 09/09/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A disposable device for slicing a precise incision of predetermined length and depth in the skin of a patient comprising:

  • a hollow housing having a top surface with an opening, a front surface, a rear surface, and a bottom surface with an elongated slot adapted to contact the skin of the patient;

    a trigger slidably disposed in said opening in said top surface of said housing;

    a single spring for said device mounted in said housing in a relaxed, unstressed, and unbiased condition when said device is not actuated and extended by said trigger when said device is actuated, said spring having a first end and a second end;

    a cutting blade coupled to said second end of said spring and extending through said elongated slot in said bottom surface of said housing to slice the skin of the patient when said device is actuated; and

    a plurality of discrete constraint and restraint elements positioned in said housing forming an open guide surface directing said spring, and said blade coupled to said spring, to slice rather than puncture along a predetermined incision path.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×