79 results about "Needle guard" patented technology

The disposable injection pen comprises an upper pen shell assembly and a lower pen shell assembly which are assembled and matched, the lower pen shell assembly comprises a pen cap and a protective shell clamped in the pen cap, and a bracket for supporting a pre-filled syringe is arranged on the inner ring of the protective shell; a pen cap spring extending towards the bracket is arranged on the pen cap; and the pen cap spring is in pressing fit with the axial edge of the needle protecting cap. According to the lower pen shell assembly, a protective shell installed in a pen cap lifts and supports a bracket, a pre-filled syringe can be fixedly installed in the bracket, a pen cap spring is arranged in the pen cap, the axial edge of a needle protecting cap is pressed and matched through the pen cap spring, the pen cap of a spring structure is arranged, the spring is pressed on the circumferential edge of the needle protecting cap, and therefore the pre-filled syringe can be fixed to the bracket. Therefore, the needle protecting cap is subjected to axial pulling-out acting force, the clamping structure is stable, and smooth pulling out of the needle protecting cap is guaranteed.

The utility model relates to the technical field of sewing machines, in particular to an outer shuttle frame and a rotating shuttle, which comprise an outer shuttle main body with an integral structure, a mounting cavity arranged in the middle of the outer shuttle main body, a guide groove concavely arranged on the side wall of the mounting cavity and a mounting surface arranged on the top end surface of the guide groove, and at least one arc-shaped limiting piece detachably arranged on the mounting surface. The arc-shaped limiting piece is used for limiting the guide rail of the inner shuttle frame in the guide groove, the side wall of the outer shuttle body is provided with at least one dust discharging hole communicated with the guide groove, the top edge of the outer shuttle body is provided with a thread pushing protrusion, a needle inserting groove located below the thread pushing protrusion and a needle protecting face connected with the needle inserting groove, and the needle inserting groove is used for insertion of a machine needle. The outer shuttle body is of an integrated structure, the structural stability is good, the upper threads are pushed outwards through the thread pushing protrusions, the upper threads are convenient to loosen, the needle protection faces are arranged for limiting and protecting the machine needles, dust in the guide grooves is discharged through the dust discharging holes, heat dissipation is facilitated, and the fault probability that the inner shuttle frame is clamped in the outer shuttle body is reduced.

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.

A method includes: protecting the entire length of a needle of a needle-based device protruding from a needle hub engaged with a body of the needle-based device by providing a needle guard, the needle guard being configured to completely surround the entire protruding length of the needle in a first state in which the needle-based device is not in use; and retracting the needle guard in a first direction toward the body of the needle-based device to extend the needle from the needle guard, thereby placing the needle-based device in a second state in which the needle-based device is in use. The method further includes: securely retaining the needle guard in the first state in which the needle-based device is not in use by applying a force in a second direction to return the needle-based device to the first state in which the needle-based device is not in use; and locking the needle guard in the first state in which the needle-based device is not in use using a lock formed on or outside the needle guard.

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.

An injection device including a housing, a needle guard sleeve displaceable relative to the housing, and a spring coupled to the guard sleeve such that the guard sleeve can be moved by the spring distally from a proximal position to an end position, the spring also being coupled to a forward drive element displaceable relative to the housing in a drive direction wherein the spring is tensioned upon a movement of the forward drive element in the forward drive direction.

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.

An injector includes a housing having a proximal end and a distal end opposite the proximal end. The housing extends along a longitudinal axis. A medicament container is disposed within the housing, the medicament container contains a medicament. A needle is coupled to a proximal end of the medicament container and in fluid communication with the medicament container. A trigger mechanism includes a needle guard retractably coupled to the proximal end of the housing and is movable along the longitudinal axis between an extended position, an intermediate position, and a retracted position. A cap is removably coupled to the proximal end of the housing and the needle guard is in the intermediate position when the cap is coupled to the proximal end of the housing.

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.

A new type of computerized flat knitting machine's mountain plate includes a cam motherboard, a needle selection mother needle, a central cam, a guide cam, a wing cam, and a pin guard. The cam motherboard is equipped with a mesh cam, a needle guard cam, a transfer cam, and a knitting cam. The transfer cam consists of upper and lower transfer cams. Needle track I is defined between the upper transfer cam and the needle guard cam, needle track II is defined between the upper and lower transfer cams, and needle track III is located at the bottom of the lower transfer cam. The pin guard, knitting cam, wing cam, and central cam together form needle track IV, and needle track V is defined between the wing cam and the central cam. Guide slopes A are located on the adjacent sides of the wing cam and the central cam. While ensuring that the knitting needle assembly can perform various actions on the fabric, the present invention eliminates the non-woven pressing plate, the three leg press cams above it, and the complex drive mechanism. This simplifies the overall structure, avoids wear on the stitches, reduces the failure rate, reduces the machine head's workload, and saves manufacturing costs.

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).

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.

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.