Method of using a medical instrument

Title: Method of using a medical instrument

Related Patent Categories: Surgery, Diagnostic Testing, Sampling Nonliquid Body Material (e.g., Bone, Muscle Tissue, Epithelial Cells, Etc.), Cutting

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20060195044, Method of using a medical instrument.

1. A method comprising: actuating a lever to move a cannula of a medical instrument from a first extended position to second retracted position; and actuating the lever to move a stylet of the medical instrument from a third extended position to a fourth retracted position; wherein actuating the lever comprises moving the lever from a first lever position spaced apart from a housing of the medical instrument to a second lever position closer to the housing.

2. The method of claim 1 further comprising releasing the lever after the cannula is moved to the second retracted position.

3. The method of claim 2 further comprising moving a linkage attached to the lever from a first linkage position in which the linkage is capable of moving the cannula to the second retracted position without moving the stylet to a different second linkage position in which the linkage is capable of moving the stylet to the fourth retracted position.

4. The method of claim 1 further comprising locking the lever after the stylet is moved.

5. The method of claim 1 further comprising sliding a trigger to release the stylet from the fourth retracted position.

6. The method of claim 1 further comprising pushing a trigger to release the stylet from the fourth retracted position.

7. The method of claim 1 wherein the cannula is moved to the second retracted position without moving the stylet.

8. A method comprising: actuating a lever to move a cannula of a medical instrument from a first extended position to second retracted position; moving a linkage attached to the lever from a first linkage position in which the linkage is capable of moving the cannula to the second retracted position without moving the stylet to a different second linkage position in which the linkage is capable of moving the stylet to the fourth retracted position; and actuating the lever to move a stylet of the medical instrument from a third extended position to a fourth retracted position.

9. The method of claim 8 further comprising locking the lever after the stylet is moved.

10. The method of claim 8 further comprising sliding a trigger to release the stylet from the fourth retracted position.

11. The method of claim 8 further comprising pushing a trigger to release the stylet from the fourth retracted position.

12. The method of claim 8 wherein actuating the lever comprises moving the lever from a first lever position spaced apart from a housing of the medical instrument to a second lever position closer to the housing.

13. A method comprising: pivotally actuating a lever to move a stylet from an extended position to a retracted position; wherein actuating the lever comprises moving the lever from a first lever position spaced apart from a housing of the medical instrument to a second lever position closer to the housing.

Brief Patent Description - Full Patent Description - Patent Claims

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Methods and apparatus for measuring pressures in bodily fluids
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Industry Class:
Surgery

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