A protecting mechanism for a blood sampling device contains: a trigger unit and a switching assembly. The trigger unit includes a lancet holder, a triggering shaft, and a resilient element. The lancet holder has a launching portion, a first outer protrusion, a through orifice, and a first inner shoulder, wherein a bottom end of the triggering shaft moves in the through hole, and the triggering shaft has a first outer shoulder for engaging with the first inner shoulder of lancet holder, the resilient element is fitted with the triggering shaft and abuts against the lancet holder by ways of its bottom end. The switching assembly includes a fixing jacket having an abutting portion, a rotating tube having a first inner protrusion and two opposite second inner protrusions, and a driving sheath having two stopping sets, wherein each stopping set has two second outer protrusions.

A safety needle device is disclosed comprising a hub, needle cannula, housing, tether, retractable sleeve, locking member and spring element. The tether is slidably disposed in the housing, the tether having a slot with an enlarged first guide path and a narrowed second guide path extending distally from the enlarged first guide path. The retractable sleeve is configured to move between an initial position, retracted position and an extended position with respect to the housing, wherein the initial position partially exposes a distal tip of the needle cannula, the retracted position fully exposes the needle cannula, and the extended position fully covers the distal tip of the needle cannula.

Blood collection assemblies with safety features are disclosed. The assemblies have a housing for receiving a vacutainer, which has a septum that penetrates a sharp needle tip. The disclosed assemblies further have a shield for covering the other end of the needle following use to prevent accidental contact with the distal needle tip. The shield is spring loaded so that the spring force moves the shield over the needle. The shield can be secured or held in an initial position and allowed to move to cover the needle upon actuation or activation of an activator unit.

A sampling device for a sampling container. A pair of elongate flexible arms extend from a side wall away from a bottom end. The arms being oppositely located across a base chamber. A lower member has a flange and an aperture. A collar extends from the flange and is adapted to retain an end of a spring. An elongate cover has a first end and a second end. The first end being adapted in use to connect to a base and the second end being adapted in use to connect to an upper member. The upper and lower members are adapted to move along the axis by the positioning of a sampling container in the sampling chamber and the application of a force towards a base, permits a needle or blood bag tube located within a connector to discharge liquid into a sampling container.

A safety needle device includes a housing including a passageway with a needle cannula extending therefrom. A shielding member is movable between a first position in which a puncture tip of the needle cannula is exposed therefrom and a second position in which the puncture tip of the needle cannula is encompassed therein. The shielding member is maintained in the first position against a biasing force which biases the shielding member toward the second position. A fluid and/or a temperature activation material is associated with the shielding member and is adapted to deform upon contact with a fluid medium and/or a certain temperature or temperature range. The fluid medium flowing through the needle cannula causes the fluid activation material to deform, such as through expansion, thereby releasing the shielding member from the first position and allowing a drive member to bias the shielding member toward the second position.

A safety needle device includes a housing including a passageway with a needle cannula extending therefrom. A shielding member is movable between a first position in which a puncture tip of the needle cannula is exposed therefrom and a second position in which the puncture tip of the needle cannula is encompassed therein. The shielding member is maintained in the first position against a biasing force which biases the shielding member toward the second position. A fluid and/or a temperature activation material is associated with the shielding member and is adapted to deform upon contact with a fluid medium and/or a certain temperature or temperature range. The fluid medium flowing through the needle cannula causes the fluid activation material to deform, such as through expansion, thereby releasing the shielding member from the first position and allowing a drive member to bias the shielding member toward the second position.

A safety needle blood sampling device (100) is provided with a needle (108) having a multi-sampling Luer adaptor (MSLA) mounted over an end thereof. A housing (110) sized and shaped to receive a blood sampling vial is provided so that when a vacutainer is inserted, the MSLA is compressed to puncture the septum with one of the ends of the needle. A protective shield (104) is provided to cover the needle. A helical spring (106) is provided to move the protective shield over the needle in a used position. An activator (112) is further provided that is sized and shaped to activate the shield upon insertion of the vacutainer.

A medical needle comprising a flat puncturing part having front and back surfaces that are parallel to each other, wherein the puncturing part comprises a pair of side-surface inclined parts and provided at tips of respective side surfaces and a front-surface inclined part provided at a tip of the front surface, the pair of side-surface inclined parts and the front-surface inclined part each extend in an inclined manner relative to a puncturing direction so as to be tapered, and the tip of the front-surface inclined part adjoins a blade edge part formed by adjoining the tips of the pair of side-surface inclined parts and a depression is formed in the front surface of the puncturing part so as to partially indent the pair of side-surface inclined parts and the front-surface inclined part.

A shielding needle assembly is provided with a hub having a needle cannula with a puncture tip extending from a forward end thereof, and a shield member in telescoping association with the hub. A drive member biases the hub and the shield member away from each other for relative telescopic movement between a first position in which the puncture tip extends from a forward end of the shield member, and a second position in which the puncture tip is encompassed within the shield member. A pivoting lever maintains the hub and the shield member in the first position against the bias of the drive member with the needle cannula exposed for use. The lever is pivotable during contact with a patient's skin surface such as during venipuncture, thereby releasing the hub and the shield member from the first position and permitting the drive member to bias the hub and the shield member toward the second position.

A puncture needle cartridge (1) includes: a lancet body (5) mounted with a puncture needle (3) on a front end side and having a mount (4) on a rear end side; and a plate-like first case (6) and second case (7) covering the lancet body (5) from above and below and arranged slidably back and forth along each other. The puncture needle cartridge (1) is configured such that the first case (6) is slid forward of the second case (7), and in this slid state, the first case (6) and the second case (7) are secured to each other when ejected from the puncture instrument (10). This can make the puncture needle cartridge (1) impossible to mount again on the puncture instrument (10).