Surgical marking tools and methods for marking a patient
First Claim
Patent Images
1. A method for marking a location on a patient, the method comprising:
- providing a marking tool including a cutting head having a screw thread and a handle coupled to the cutting head to manually rotate the cutting head, wherein the handle includes first and second handle members that are rotatable with respect to one another and the cutting head is affixed to the first handle member; and
placing the cutting head in contact with the patient and manually rotating the cutting head with respect to the patient to progressively embed the screw thread into a skull of the patient to mark a location in the skull for a surgical procedure, including embedding the cutting head into the patient'"'"'s skull only to a maximum depth less than the thickness of the skull; and
thereafter removing the cutting head from the skull;
wherein manually rotating the cutting head with respect to the patient includes manually rotating the first handle member with respect to the second handle member; and
wherein the cutting head has a lead end and a limiter feature spaced apart a distance from the lead end, and an axial boring length extending from the lead end to a proximal end of the limiter feature is less than a thickness of the patient'"'"'s skull.
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Abstract
A surgical marking tool for marking a location on a patient includes a cutting head and a handle. The cutting head includes a screw thread. The handle is coupled to the cutting head to rotate the cutting head. The screw thread is configured to progressively embed in the patient to mark the location when the cutting head is placed in contact with the patient and rotated with respect to the patient using the handle.
34 Citations
13 Claims
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1. A method for marking a location on a patient, the method comprising:
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providing a marking tool including a cutting head having a screw thread and a handle coupled to the cutting head to manually rotate the cutting head, wherein the handle includes first and second handle members that are rotatable with respect to one another and the cutting head is affixed to the first handle member; and placing the cutting head in contact with the patient and manually rotating the cutting head with respect to the patient to progressively embed the screw thread into a skull of the patient to mark a location in the skull for a surgical procedure, including embedding the cutting head into the patient'"'"'s skull only to a maximum depth less than the thickness of the skull; and
thereafter removing the cutting head from the skull;wherein manually rotating the cutting head with respect to the patient includes manually rotating the first handle member with respect to the second handle member; and
wherein the cutting head has a lead end and a limiter feature spaced apart a distance from the lead end, and an axial boring length extending from the lead end to a proximal end of the limiter feature is less than a thickness of the patient'"'"'s skull. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification