Fluid sampling device with retractable needle
First Claim
Patent Images
1. A method for withdrawing a fluid sample from a patient, comprising the steps of:
- a. providing a sampling device having a housing, a plunger and a needle having a sharpened tip for piercing the patientb. collecting fluid from the patient in the housing;
c. retracting the needle into the plunger so that the sharpened tip of the needle is enclosed within the plunger to prevent inadvertent contact with the sharpened tip; and
d. expelling the fluid from the housing after the sharpened tip of the needle is retracted into the plunger.
2 Assignments
0 Petitions
Accused Products
Abstract
A method for withdrawing a fluid sample from a patient is disclosed comprising the steps of: a) providing a sampling device (10) having a housing (20) and a needle (40) having a sharpened tip for piercing the skin of the patient; b) withdrawing fluid from the patient into the housing; c) retracting the needle so that the sharpened tip of the needle is enclosed within the housing; and d) expelling the fluid from the housing after the needle is retracted.
-
Citations
20 Claims
-
1. A method for withdrawing a fluid sample from a patient, comprising the steps of:
-
a. providing a sampling device having a housing, a plunger and a needle having a sharpened tip for piercing the patient b. collecting fluid from the patient in the housing; c. retracting the needle into the plunger so that the sharpened tip of the needle is enclosed within the plunger to prevent inadvertent contact with the sharpened tip; and d. expelling the fluid from the housing after the sharpened tip of the needle is retracted into the plunger. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification