61 results about "Needle guard" patented technology

An injector includes a housing, a needle, and a needle shield removably coupled to the needle. A guard assembly is coupled to the housing and includes a guard holder coupled to the needle shield and having at least one engagement feature extending radially inward and a needle guard extension removably coupled to the guard holder. The needle guard extension is coupled to the guard holder and separated from the housing in an initial position, coupled to the guard holder and coupled to the housing in an engaged position, and separated from the guard holder and coupled to the housing in an active position. The guard holder couples to the needle shield to remove the needle shield from the needle when the needle shield extension is moved from the engaged position to the active position.

An injector including: a housing, a cap detachably coupled to the housing, a ram assembly having a ram configured to pressurize a medicament container for expelling a medicament therefrom, the ram assembly including a trigger engagement member, an energy source associated with the ram for powering the ram to expel medicament from the medicament container, a trigger member disposed about an axis, the trigger member moveable between a pre-firing configuration and a firing configuration, wherein medicament is expelled from the medicament container when the trigger member is in the firing configuration, a needle guard moveably coupled to the housing, the needle guard movable between a storage position and a pre-injection position, wherein the needle guard moves from the storage position to the pre-injection position as the cap is detached from the housing.

An intravenous catheter assembly comprising: a catheter tube; a catheter hub having a distal end and a proximal end, wherein the distal end is joined to the catheter tube and the proximal end defines a housing having inner space; a needle extending through the catheter hub and the catheter tube and defining an axial direction, wherein the needle has opposite proximal and distal ends, the distal end forming a needle tip; a needle hub attached to the proximal end of the needle; a needle guard slidably arranged on the needle, wherein the needle guard is movably retained in the housing of the catheter hub; a valve provided in the inner space in the catheter hub to prevent foreign contamination from entering the catheter hub; and a disc that is arranged proximal or distal to the valve or that is joint or linked to the valve.

The utility model relates to an anti-needling injector which comprises a needle head, a needle cylinder, a needle sleeve and a fixing mechanism. The needle is arranged at the end of the needle cylinder. A through hole is formed in the lower end surface of the needle sleeve; the size of the through hole is larger than the maximum outer diameter of the needle; the needle sleeve is connected with the needle cylinder through a fixing mechanism; by changing the relative position of the needle sleeve and the needle cylinder, the needle head can penetrate through the through hole and is exposed in the working environment; or the needle head can be hidden in the needle sleeve. The rectangular hole of the needle sleeve penetrates through the side wing of the needle head and then is fixedly installed on the needle cylinder through the fixing mechanism and the needle sleeve, the needle head can be completely exposed, and a worker can conveniently and normally use the syringe. The needle sleeve is screwed or rotated, the needle sleeve is fixedly installed on the needle cylinder through the fixing mechanism, the needle head can be completely hidden in the needle sleeve, and when the needle head is in a discarded state, the needle head can be prevented from stabbing a worker; and in a needle preparation state, the needle preparation device can be used for needle preparation operation preparation of workers.

The utility model provides a kind of needle blocking opening and closing device, it can realize needle blocking quick opening, it can also be applicable to the opening of needle blocking mechanism that small range deviation occurs in movable shaft simultaneously.It includes fixed plate, push rod assembly, driving mechanism, fixed plate is connected with driving mechanism, push rod assembly includes push rod, connecting rod, spring one, contact platform, magnetic piece, push rod is connected with fixed plate, push rod end is equipped with installation cavity, connecting rod bottom is arranged in installation cavity, the top end of connecting rod is connected with contact platform and is drawn out installation cavity, magnetic piece is fixed in the upper portion of push rod assembly, contact platform and push rod are equipped with spring one between, when contact platform is not contacted with movable shaft, contact platform and push rod have certain gap between, connecting rod can rotate within certain angle in installation cavity along with contact platform, and make contact platform and push rod end contact.

An automatic injection device for use with a syringe, including a housing element; at least one resilient element arranged to be located within the housing element; a needle guard slidably positionable with respect to the housing element; a control unit configured to be fixedly coupled with the housing element; a plunger rod biased axially forwardly under an urge of the at least one resilient element and configured to engage the control unit in a storage operative orientation, in which the plunger rod is prevented from forward axial displacement relative to the control unit under the urge of the at least one resilient element; and upon axial rearward displacement of the needle guard with respect to the housing element, the plunger rod is disengaged from the control unit and is permitted to be axially forwardly displaced relative to the control unit under the urge of the at least one resilient element.

The application discloses a syringe with a function of preventing puncture, and relates to the technical field of medical devices.The syringe comprises a syringe barrel, a syringe needle fixedly installed at one end of the syringe barrel, and a syringe piston rod slidably installed in the syringe barrel; the syringe further comprises a protection assembly arranged outside the syringe barrel, wherein the protection assembly comprises a connecting sleeve attached to the outer wall of the syringe barrel, a protection sleeve fixedly connected to one end of the connecting sleeve, and a protection head fixedly connected to the outer surface of the other end of the protection sleeve away from the connecting sleeve; the connecting sleeve and the protection sleeve are arranged to form a rigid protection outside the syringe, and the rigid shell can effectively prevent medical staff or patients from directly contacting the needle area, thereby reducing the risk of puncture caused by accidental contact (especially in emergency operations or when the line of sight is blocked); in addition, in field first aid or disaster sites, the reinforcing structure can resist the damage of falling impact, low-temperature brittle fracture and other harsh conditions to the traditional plastic shell.

This housing device includes a bottom body extending a longitudinal axis A, the bottom body being configured for receiving an injection device having an injection needle, a casing, a medical container arranged within the casing, and a needle guard axially movable with respect to the casing. The housing device also includes a top body, axially movable with respect to the bottom body between an initial position and an injection end position distally located with respect to the initial position, the top body including a proximal end and a plunger rod configured for pushing a stopper of the injection device in order to expel a medical product contained within the medical container; releasable attachment features for allowing releasable attachment and detachment of the top body and the bottom body; and a needle cover, axially movable with respect to the bottom body between an initial position and a retracted position proximally located with respect to the initial position.

Cryogenic methods, systems, and devices cryogenic system for alleviating lower back pain in a patient. The cryogenic device includes a handpiece having a size and shape suitable for supporting in a hand of an operator and a needle probe coupled to a distal portion of the handpiece. The needle probe includes a probe body, at least one needle coupled the probe body, and a silica supply tube extending within the needle lumen. The system includes an introducer configured to receive and position the at least one needle proximate to a location of a target tissue associated with lower back pain, wherein the cryogenic device is configured to provide a desired ice ball shape that remains on a distal portion of the introducer after the at least one needle is removed therefrom. The system further includes a needle guard configured to house the needle probe.

The utility model provides a needle protecting cap assembling and detecting all-in-one machine which comprises an upward-jacking positioning mechanism, an assembling mechanism, a rubber sleeve detecting assembly, a feeding dislocation mechanism, a riveting mechanism, a synchronous belt conveyor assembly and a carrier rotation carrying mechanism, and the upward-jacking positioning mechanism comprises an upward-jacking mechanism movable plate and an upward-jacking mechanism air cylinder. A Z-axis assembling movable frame, a Y-axis sliding table fixing plate and a Z-axis assembling main framework are installed in the assembling mechanism, and the rubber sleeve detection assembly comprises a side face detection suction head installation frame and a side face detection guide rail installation plate. The assembling and detecting all-in-one machine can run back and forth according to process requirements; the track can be a circular track or a circular track, and a transfer device is not needed, so that the assembly accuracy and the detection efficiency are improved, detection can be realized during operation, and defective products can be quickly and automatically removed; meanwhile, whether detection is carried out or not can be flexibly selected, and if no detection procedure is selected, the product can be taken out by the picking device after riveting is completed.

This housing device (1) includes: a bottom body (3) extending a longitudinal axis A, the bottom body (3) being configured for receiving an injection device (10) having an injection needle (102), a casing (110), a medical container (101) arranged within the casing (110), and a needle guard (112) axially movable with respect to the casing (110). The housing device also includes: a top body (2), axially movable with respect to the bottom body (3) between an initial position and an injection end position distally located with respect to the initial position, the top body (2) including a proximal end (201) and a plunger rod (22) configured for pushing a stopper (107) of the injection device (10) in order to expel a medical product contained within the medical container (101); releasable attachment features (71, 73) for allowing releasable attachment and detachment of the top body (2) and the bottom body (3); and a needle cover (4), axially movable with respect to the bottom body (3) between an initial position and a retracted position proximally located with respect to the initial position.

The present invention provides a disposable injection pen, comprising an upper pen housing assembly and a lower pen housing assembly that are assembled and matched. The lower pen housing assembly includes a pen cap, a protective shell that is clamped into the pen cap, and a bracket that supports a prefilled syringe arranged on the inner circumference of the protective shell. The pen cap is provided with a pen cap spring that extends toward the bracket and presses against the axial edge of the needle guard. The lower pen housing assembly is supported by the protective shell installed in the pen cap, and the prefilled syringe can be fixed in the bracket. The pen cap is provided with a pen cap spring that presses against the axial edge of the needle guard. By providing a pen cap with a spring structure, the spring is pressed against the circumferential edge of the needle guard, so that the needle guard is subjected to an axial withdrawal force. The clamping structure is stable, ensuring smooth withdrawal of the needle guard.

An autoinjector includes a housing extending along a longitudinal axis having a proximal end and a distal end. A needle extends at least partially from the distal end of the housing. A needle guard assembly is coupled to the housing. The needle guard has a needle guard extension that is moveable relative to the housing distally along the longitudinal axis from a retracted position where the needle extends distally past the needle guard extension and an extended position where the needle guard extension extends distally past the needle. A retainer is coupled between the needle guard extension and the housing to retain the needle guard extension relative to the housing in a blocking position and is moveable relative to the housing to an unblocked position to allow the needle guard extension to move relative to the housing to the extended position.

The invention relates to a needle protecting device for sewing equipment and the sewing equipment, the sewing equipment is provided with a reciprocating needle, the needle protecting device comprises a needle protecting part movably installed on the sewing equipment, the side, facing the needle, of the needle protecting part is provided with a working edge, and the needle protecting part is movably installed on the sewing equipment and provided with a needle opening. The machine needle comprises a descending stroke and an ascending stroke which are opposite to each other according to the movement direction, and during the ascending stroke, the needle protection piece has the same movement trend and is gradually attached to the machine needle. The needle protection device can further reduce needle skipping, and it is guaranteed that in sewing equipment, a machine needle and a curved needle are matched with each other to form an expected stitch.

The present disclosure discloses an intravenous cannula that includes a catheter hub and tubular valve member adapted to allow a needle member to pass through. The valve member is defined with slits that allow the needle to pass through. Further, a valve closure member and needle guard assembly are provided, both adapted to close passage for fluid flow and prevent blood flow from the punctured vein of a subject. The needle guard assembly includes a body portion. A safety clip locks onto a flange defined in the body, and in a biased condition allows a needle to extend through the body and hub. Upon withdrawal of the needle from a proximal end of the hub, a safety pin disengages from the flange and arrests the tip portion of the needle within the device, thereby preventing needle prick injury upon withdrawal of the needle member from the hub.

1. The name of the design product: needle guard. 2. The use of the design product: the design product is used for limiting and protecting the machine needle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: this case is similar to the appearance design of the same product, which contains 6 items, design 1 is the basic design of the similar appearance design of this case, and design 2-6 is the similar appearance design of the basic design.

The present application relates to a access system comprising a needle hub comprising a distal end, a proximal end, an internal lumen extending through the distal end and the proximal end; a needle guard comprising a housing disposed within the internal lumen of the needle hub, and a needle comprising a sharp distal tip, the needle extending through the housing and biasing a first arm and a second arm of the housing outward toward the needle hub to facilitate retention of the housing within the needle hub, the access system configured such that when the sharp distal tip of the needle is withdrawn in a proximal direction beyond a second end of the first arm and a second end of the second arm, a duckbill valve of the access system closes and the first arm and the second arm move inward to facilitate removal of the housing from the needle hub. The technical solution of the present application can shield the sharp tip of the needle to prevent blood splatter and prevent exposure of related personnel to blood and blood-borne pathogens.

The utility model discloses a needle guard piece adjustable shuttle holder, including the shuttle holder main part, the lateral surface of shuttle holder main part is equipped with the needle slot of through -and -through, and the edge of needle slot swingly set up with the adjustable height's needle guard piece, is equipped with the adjusting hole and locking hole on the needle guard piece, and is equipped with the lower thread hole of cooperation with locking hole and the upper thread hole of cooperation with adjusting hole on the shuttle holder main part, and the locking screw for locking needle guard piece is set up in the inside of shuttle holder main part, and locking screw passes through lower thread hole and locking hole in proper order, the outside of needle guard piece is provided with the adjusting bolt for adjusting needle guard piece tightness, and adjusting bolt passes through adjusting hole and corresponding upper thread hole in proper order, designed the needle guard piece of longitudinal height adjustment, and the adjusting hole cooperation adjusting bolt is designed on the needle guard piece, makes needle guard piece can carry out the fine adjustment of height, cooperation locking screw and locking hole, guarantees after adjusting, can keep the locking and positioning of whole needle guard piece, is applicable to different size's machine needle.

The tip shield can include a needle passage to receive the needle, a tip shield interior space to receive the needle guard, and a fluid restriction member. The fluid restriction member can be configured to restrict fluid leakage into and / or out of the needle tip shield. The fluid restriction member can be selected from the group consisting of: (1) a fluid impedance member disposed adjacent the needle passage that can impede fluid passage into the needle tip shield through the needle passage; (2) a fluid retention member that can retain fluid within the tip shield interior space; and (3) a splash guard that can prevent fluid splash when the needle guard is moved within the tip shield interior space from an open position to a closed position.

The present invention provides a sewing machine capable of accurately adjusting the positional relationship between a needle installed to a needle bar and a shuttle tip or a needle guard of a shuttle mechanism, an adjustment method of adjusting the position of the shuttle mechanism relative to the needle in the sewing machine, and a sensor unit. The sewing machine is provided with: a needle bar; a shuttle mechanism provided with a movable body having a shuttle tip and a needle guard; a shuttle shaft that rotationally drives the movable body; a position adjustment mechanism capable of adjusting the position of the movable body in the axial direction of the shuttle shaft; a frame (7) that houses the shuttle mechanism, the shuttle shaft, and the position adjustment mechanism; a first sensor (4A) having a contact surface (433) that contacts the needle from one side in the axial direction and is disposed to the needle at a merging position, the first sensor being used to detect the amount of displacement of the needle in the axial direction, the merging position being the position of the needle (31A) at the time when the shuttle tip captures a loop formed by the thread; and an arm portion (4B) that supports the first sensor and is fixed to the frame (7).

The utility model relates to the technical field of injectors, and discloses an anti-needling injector which comprises an injector mechanism, the injector mechanism comprises an injector body, a connecting port is fixedly arranged at the front end of the injector body, an anti-needling mechanism is fixedly arranged on the outer surface of the connecting port, the anti-needling mechanism comprises a fixing sleeve, and the fixing sleeve is fixedly connected with the injector body. First adjusting belts are fixedly arranged on the upper side and the lower side of the front end of the fixing sleeve, a second adjusting belt is hinged to the middles of the two first adjusting belts, a sliding cover is fixedly arranged on one side of the second adjusting belt, a protective cap is clamped to the front end of the sliding cover, and a clamping groove is fixedly formed in the rear end of the protective cap. A piston rod is arranged in the injector body in a sliding mode. According to the disposable syringe, after being used, the disposable syringe does not need to be repeatedly sleeved with a protective cap like a traditional syringe, the needle point can be rapidly covered only by slightly pushing the sliding cover, medical staff or other users are effectively prevented from being punctured by the needle, and operation safety and convenience are greatly improved.

A device configured to administer a medication can comprise a lower housing that includes a housing latch. The device can further comprise a needle guard that is movable relative to the lower housing along a first direction from a first position to a second position so as to expose a needle, and an upper housing supported relative to the lower housing. The upper housing can be configured to move with respect to the lower housing along a second direction from a pre-use position to a dispensed position. The housing latch can releasably interfere with the upper housing when the upper housing is in the pre-use position so as to prevent the upper housing from moving toward the dispensed position, and the movement of the needle guard toward the second position, causes the interference to be removed, thereby allowing the upper housing to move toward the second position.

Systems, devices, and methods include an autoinjector including a housing; a connectivity region configured to be accessed at a region of the housing; a needle arranged at a distal end of the housing; a container disposed within the housing and configured to contain medicament; and a plunger slidably disposed within the container. A plunger rod is configured to push the plunger through the container to dispense the medicament through the needle when the container contains medicament. The needle guard is configured to retract when an insertion force is applied to the needle and to extend when the insertion force is removed. A mechanism is configured so that a dispensing movement of the plunger rod, a retraction movement of the needle guard, and / or an extension movement of the needle guard generates an electrical state change. A first sensor is configured to detect the electrical state change.

A method of removing fluid from breast tissue surrounding a tissue expander includes identifying a location of an injection port of a tissue expander, and obtaining a needle including a needle shaft defining a lumen, the needle including a closed tip at the distal end of the needle shaft and at least one lateral opening formed in an outer wall of the needle shaft that is in fluid communication with the lumen. The method includes inserting the closed tip of the needle through skin of the patient, the breast tissue, and the injection port until the closed tip of the needle contacts a needle guard, visually confirming that the at least one lateral opening of the needle is not located outside of the patient's skin, and aspirating fluid from the breast tissue via the at least one lateral opening of the needle.

The utility model discloses an anti-pulling infusion needle device which effectively solves the problem that an infusion needle on the back of a hand of a patient is easily pulled out or rubbed off. Comprising a glove body with five half fingers, a front-back through notch is formed in the left side of the glove body, a rectangular groove is formed in the upper side of the glove body, an observation box with a downward opening is fixed to the outer side of the rectangular groove, a front-back through arched hole is formed in the front side wall of the observation box, and an inverted-V-shaped groove with the front large and the rear small is formed in the upper side of the glove body. A U-shaped strip located below the notch is fixed to the left side in the glove body, a first bandage is fixed to the right side in the glove body, a first hook-and-loop fastener is fixed to the inner surface of the free side of the first bandage, and a first hook-and-loop fastener is fixed to the outer surface of the free side of the first bandage. The infusion needle box is ingenious in structure, low in cost and easy to popularize and use, prevents a patient from pulling out a needle manually, medical staff can observe the situation of the infusion needle through the observation box, and the risk that the needle is pulled out due to the fact that an infusion tube is pulled is reduced.

The utility model discloses a high-head sewing machine rotating shuttle which comprises a shuttle race body, a shuttle frame is rotatably arranged in the shuttle race body in a limited mode, a rotating shuttle thread hooking tip is fixedly installed on the outer side of the shuttle race body, and a moon-shaped ring used for guiding sewing threads is fixedly installed on the outer side of the shuttle race body. The outer circle of the moon ring is provided with a needle protection plate through a thread adjusting assembly; a thread fine adjustment hole is accurately machined in the specific portion, where the needle protection plate is fixed, of the outer circle of the moon-shaped ring, and the position of the needle protection plate can be finely adjusted by rotating an inner hexagon screw. The correct size position of the needle protection plate can be more conveniently controlled and adjusted; the effect of protecting the thread hooking tip of the rotating shuttle from being damaged easily is achieved; due to the fact that friction and collision between the machine needle and the thread hooking tip of the rotating shuttle are reduced, abrasion of the thread hooking tip of the rotating shuttle is greatly reduced, and the service life of the rotating shuttle is indirectly and remarkably prolonged.

Systems, devices, and methods include an autoinjector including a housing; a connectivity region configured to be accessed at a region of the housing; a needle arranged at a distal end of the housing; a container disposed within the housing and configured to contain medicament; and a plunger slidably disposed within the container. A plunger rod is configured to push the plunger through the container to dispense the medicament through the needle when the container contains medicament. The needle guard is configured to retract when an insertion force is applied to the needle and to extend when the insertion force is removed. A mechanism is configured so that a dispensing movement of the plunger rod, a retraction movement of the needle guard, and / or an extension movement of the needle guard generates an electrical state change. A first sensor is configured to detect the electrical state change.