摘要:
A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.
摘要:
A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.
摘要:
Needle assembly having the following modes of operation; a first mode wherein the safety shield can move to a first retracted position allowing injection of the piercing portion of needle from a position at least partially covering the piercing portion of the needle and a second mode wherein the safety shield moves to a position protecting the piercing portion of the needle after the first mode and is prevented from moving back to a position exposing the piercing portion of the needle.
摘要:
A safety shield apparatus is disclosed which includes a needle having a distal portion defining a longitudinal axis which is angularly displaced relative to a longitudinal axis defined by a proximal portion of the needle. A shield is mounted with the needle and extensible, via a tubular needle guide movable along the needle, between a retracted position and an extended position. The apparatus may include a needle hub configured to support the proximal portion of the needle. The needle hub can include an appendage which may have at least one opening to facilitate manipulation thereof. A distal end of the shield can be attached to a planar contact surface. The shield may also include a latch engageable with the needle.
摘要:
The present invention relates to a lancet (A1) in which a first member (2) including a lancing element (1) and a second member (3) for accommodating the tip (1a) of the lancing element (1) are arranged movably relative to each other. In the lancet (A1), when a load greater than a predetermined value is applied in a direction to make the first and the second members (2, 3) approach each other, the tip (1a) of the lancing element (1) is capable of projecting from the second member (3) by relative movement between the first member (2) and the second member (3) in a direction to approach each other. The tip (1a) of the lancing element (1) can be accommodated in the second member (3) so as not to project from the second member (3) by relative movement between the first member (2) and the second member (3) in a direction to separate from each other.
摘要:
The invention relates to a holding device (1) with a holding container (2) for a holding vessel, in particular a blood sample collecting tube, in which the holding container (2) surrounds a holding chamber (7) with a container wall (6), and in the direction of a longitudinal axis (8) comprises a proximal and a distal end (9, 10) spaced part from one another, with a needle holder (4) for a needle arrangement (14) that can be attached thereto, with a first adjusting device (15) for the needle holder (4) and with a cover element (3) for the needle arrangement (14) mountable on the needle holder (4) in the disposal position of the needle holder (4). The cover element (3) is arranged in the position of use of the needle holder (4) adjacent thereto on the side furthest from the proximal end (9) in the holding chamber (7) and is arranged with an if necessary releasable locking device (16) between the cover element (3) and the holding container (2) in the position of use relative to the latter, whereby between the needle holder (4) and the cover element (3) a further adjusting device (17) is arranged.
摘要:
A safety shield apparatus is disclosed which includes a needle having a distal portion defining a longitudinal axis which is angularly displaced relative to a longitudinal axis defined by a proximal portion of the needle. A shield is mounted with the needle and extensible, via a tubular needle guide movable along the needle, between a retracted position and an extended position. The apparatus may include a needle hub configured to support the proximal portion of the needle. The needle hub can include an appendage which may have at least one opening to facilitate manipulation thereof. A distal end of the shield can be attached to a planar contact surface. The shield may also include a latch engageable with the needle.
摘要:
Method and apparatus associated with safe retraction of medical needles after use. Embodiments are disclosed for self-retracting needle systems for both blood draw, syringe and catheter insertion systems. Invention manufacture requires only a minimal number and complexity of parts such that a projected manufacturing cost is potentially low enough to permit the apparatus to be cost competitive with contemporary non-self retracting needle systems. Methods for making and assembling each of the disclosed the embodiments is also disclosed. One blood draw embodiment can be made with as few as three molded parts. Energy-storing, needle-retracting mechanisms comprise elastic tubing and vacuum generating piston parts. In an elastic tubing embodiment, selective, constrictive control of stretched tubing volumes effectively inhibits regurgitant flow from the needle. In all embodiments, needle retraction is a single handed operation permitting a technician's other hand to be used in wound care. A combination of parts, comprising the apparatus housing and a needle cover, are used as a transport container which protects a medical needle from inadvertent contamination with requiring special packaging, thereby, further reducing apparatus costs.
摘要:
Method and apparatus associated with safe retraction of medical needles after use. Embodiments are disclosed for self-retracting needle systems for both blood draw, syringe and catheter insertion systems. Invention manufacture requires only a minimal number and complexity of parts such that a projected manufacturing cost is potentially low enough to permit the apparatus to be cost competitive with contemporary non-self retracting needle systems. Methods for making and assembling each of the disclosed the embodiments is also disclosed. One blood draw embodiment can be made with as few as three molded parts. Energy-storing, needle-retracting mechanisms comprise elastic tubing and vacuum generating piston parts. In an elastic tubing embodiment, selective, constrictive control of stretched tubing volumes effectively inhibits regurgitant flow from the needle. In all embodiments, needle retraction is a single handed operation permitting a technicians other hand to be used in wound care. Use of frangible parts permits the apparatus housing to be attached to a needle cover, which, in combination, are used as a transport container to further reduce apparatus costs.
摘要:
A multi-purpose syringe for extracting a body fluid, storing the fluid and being adapted to be employed as the test vial for centrifugation. The syringe includes a vial and at the forward end a nozzle which is threadedly connected for sealing purposes to a cap which has a spike extending into the passageway through which blood is drawn. A threaded end cover sealingly engages the rearward end of the vial and piston rod protrudes therethrough. The rod has at the forward end a piston head provided with a rearwardly extending sleeve which is placed into sealed locking engagement with the end cover after the specimen has been introduced or drawn into the vial. The combination of the cap at one end and the cover member at the other end provides a complete seal for the container. The piston rod has two portions which can be severed from each other.