17 results about "Pen needles" patented technology

The utility model belongs to insulin pen needle field, specifically comfortable big plane insulin pen needle, including outer needle cap, the inner chamber fixed connection of outer needle cap has pen needle body, the top of outer needle cap is provided with expansion mechanism, the utility model discloses a rotation ring piece, makes rotation ring piece to be able to smoothly pass through the extension block that is pulled to the rotary plate and the rotating rod, the extension block can smoothly with the center of the mounting rod circle as the center, to the center of the fixed ring piece's one side that is far away from rotating, further in the rotation to certain distance after, through the contact of self and people's skin, increase the stability of pen needle body when using, reached when pen needle body is inserted to people's body inside, pen needle body is not easy when injecting insulin, take place big amplitude's shake or shake, thereby reduced because pen needle body is not enough stable when using self, and increased people's painful feeling condition, increased the comfortable feeling of pen needle body when using.

The application relates to an injection pen pre-filled needle carrier assembly and an automatic injection device. The injection pen pre-filled needle carrier assembly comprises a housing with a cavity, a carrier in the housing, the carrier being provided with a central through hole and at least one first clamping jaw extending towards the proximal end, and a pre-filled needle module comprising a syringe body and a needle cover at the proximal end of the syringe body, the syringe body being provided with a shoulder at the distal end of the needle cover. In the preset installation position, the first clamping jaw of the carrier is constrained by the inner wall of the housing and is contracted towards the center, and is clamped between the opening end of the needle cover and the shoulder. In the free state, the inner diameter of the first clamping jaw is greater than the outer diameter of the needle cover and the syringe body, so that the pre-filled needle module can be pushed into the preset installation position at one time.

The present application relates to an active sheath subassembly for the needle injection end (3) of a disposable sterilized needle assembly dedicated to use with a pen syringe (42), the active sheath subassembly comprising a primary package (45) containing a sterile medical product (47), together constituting a medical needle injection system. Five variations of a needle injection end active sheath subassembly are disclosed. The present application also relates to component parts of a needle injection end active sheath subassembly, i.e. An immovable component part (14), a first movable component part (15) and a second movable component part (16), as well as a unit package (13) of a needle assembly comprising such a sterile package and a user package comprising a set of said unit packages (13), and preferably a pen syringe (42). The sheath subassembly is mounted on a hub (1) of the needle assembly and is configured to activate a cladding of a needle injection end (3) with an end point (4) and / or a needle non-injection end (5) with an end point (6) prior to detaching the needle assembly from a pen syringe (42). Furthermore, the present application relates to a disposable sterilized needle assembly provided with a needle injection end active sheath subassembly according to the present application, and a medical needle injection system provided with a disposable sterilized needle assembly according to the present application.

A pen needle for a delivery device includes a needle hub (32) supporting a needle (54) and a distal needle shield (70) that can be retracted during injection to expose the needle and returned to an extended position and locked in the extended position to cover the needle after use. A proximal needle shield moves relative to the needle hub from a retracted position to an extended position to shield or cover a proximal end of the needle when the needle hub is separated from the delivery device. A spring extends between the distal needle shield and the proximal needle shield to bias each needle shield to a respective extended position. The distal needle shield is coupled to the proximal needle shield in an initial position to hold the spring in a compressed state. The distal needle shield is depressed to decouple the distal needle shield from the proximal needle shield to allow the spring to expand to an extended state and move the shields to the extended position. A locking member can be provided to lock the proximal and distal needle shields in the extended position.

A pen needle magazine (10) comprising a plurality of compartments (14) each carrying a pen needle (40), and a pen needle carrier (60) disposed in each of the plurality of compartments (14), the pen needle (40) disposed in the pen needle carrier (60), wherein the pen needle carrier (60) includes a first pen needle path (62) and a second pen needle path (64), the first pen needle path (62) aids in removing the pen needle (40), and the second pen needle path (64) aids in discarding a used pen needle (40).

1. The name of the design product: tool pen needle. 2. The use of the design product: tool pen needle for use as a tool for repairing mobile phone devices. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

A pen needle cartridge (10) comprising: a plurality of compartments (14), each compartment carrying a pen needle (40), the pen needle (40) having an inner thread (44) and an outer thread (46); and, an inner shield (80) comprising an inner thread (82), the inner shield (80) disposed in each of the plurality of compartments (14), wherein the inner thread (82) of the inner shield (80) is configured to engage the outer thread (46) of the pen needle (40), and the inner thread (44) and the outer thread (46) of the pen needle (40) are threaded in different directions.

The utility model relates to the technical field of foam processing and discloses a foam cutting pen with a support. The foam cutting pen comprises a pen body with a head end and a tail end; the pen needle assembly is arranged at the head end of the pen body, the pen needle assembly is provided with a connector and a heating pen needle, the heating pen needle is installed on the connector, and the heating pen needle is used for making contact with foam and melting the foam; the mounting body is positioned on the pen body; and the supporting frame is connected with the mounting body and used for supporting the pen body when the cutting pen is placed on the working table. In this way, under the action of the supporting frame, the cutting pen can be supported to enable the heating pen needle to be far away from the working table top when the cutting pen is placed on the working table top, the distance between the heating pen needle and the working table top can be increased, and the problem that when the cutting pen is placed on the table top only through the protruding structure, close to the heating pen needle, of the pen body, the heating pen needle cannot be heated is solved. And a user does not need to carry an independent bracket to support the cutting pen, so that the use convenience of the cutting pen is improved.

A male needleless connector having a tapered elongated tip conforming to ISO standards and a collar, the collar having an outer wall surface with a plurality of threads for connection to corresponding internal threads of a pen needle. The male needleless connector has a taper between a distal end of the elongated tip and an inner wall of the elongated tip. The male needleless connector is configured to receive a pen needle.

This invention provides a disposable, bidirectional, protective safety insulin pen needle, comprising a housing, a connecting tube, a needle tube, an upper sheath, a lower sheath, and a needle hub. The needle hub is fixedly disposed at the bottom of the connecting tube, and the needle tube is fixedly disposed within the needle hub, with its bottom end extending through the needle hub and its top end extending into the top of the connecting tube. The upper sheath is vertically movable within the connecting tube, and the needle tube portion is housed within the upper sheath. The upper sheath moves up and down within the connecting tube to cover or expose the top end of the needle tube. The housing is fitted over the connecting tube, and the lower sheath is inserted from the bottom of the connecting tube between the housing and the connecting tube, and can move up and down along it to cover or expose the bottom end of the needle tube. The top of the connecting tube is used to insert a standard insulin pen.

A removal device (121, 221) for removing and disposing of a pen needle (113, 213) connectable to a drug delivery device (111, 211) includes a body (123, 223) having a cavity (141, 241) for receiving the pen needle of the drug delivery device such that a patient end (116, 216) of a needle (115, 215) of the pen needle is covered by the body. An ejector (151, 251) is movably connected to the body (123, 223) for engaging the received pen needle (113, 213) and selectively ejecting the engaged pen needle from the body. The pen needle (113, 213) is securely retained within the removal device (121, 221) without exposing the needle (115, 215) of the pen needle until the pen needle (113, 213) can be properly disposed of, such as in a sharps container, thereby substantially preventing an accidental needle stick.

The utility model discloses a blood sampling pen needle unloading structure and a blood sampling pen using the same, the blood sampling pen comprises a shell and an ejection rod, the needle unloading structure comprises a needle unloading rod located in an ejection cavity, a needle unloading channel arranged on the ejection rod and a limiting blocking part arranged on the shell; the needle dismounting rod is provided with a handheld part, a mounting part and a guide column; the handheld part is located on the front section of the needle unloading rod, the peripheral side of the injection rod is sleeved with the installation part, the guide column is connected with the handheld part or the installation part, and the guide column is located in the needle unloading channel and slides front and back along the needle unloading channel. According to the scheme, the needle dismounting structure is compact, the space on the shell and the injection rod of the blood sampling pen is well utilized, the space utilization rate is good, the length of the needle dismounting rod is short, and therefore the whole blood sampling pen is more compact, and compared with a traditional tail needle dismounting structure and a traditional side wall needle dismounting structure, when a blood sampling needle is installed and a pen cap is not covered, the needle dismounting structure is convenient to use. Mistaken needle dismounting caused by mistaken touch of an external needle dismounting structure can be effectively avoided, and the use reliability and safety of the blood sampling pen are improved.

The utility model belongs to tattoo pen technical field, and disclose a kind of tattoo needle operation stability high's tattoo pen needle nozzle, including tattoo needle body, the rear end surface of tattoo needle body is fixed with connecting pipe, the inside of connecting pipe is equipped with limit slot, the inside of limit slot is equipped with limit block sliding, the outside of limit block is fixed with pentagonal block, through limit slot, limit block, it can be oriented and limit to the movement of tattoo needle body, prevent tattoo needle from appearing deviation or shaking in operation process, ensure the accuracy of tattoo needle operation trajectory, to improve the quality of tattoo, through pentagonal block, it provides stable and unique connecting mode for subsequent connection with other components, compared with traditional round or square connection, pentagonal block can better transmit torque and force, reduce relative rotation, ensure the stability of tattoo needle when running.

In one aspect, a pen needle assembly is provided herein which includes a hub, and a needle fixed to the hub, the needle having proximal and distal ends with a lumen extending therebetween. The needle extends distally from the hub to define an exposed length between the distal end of the needle and the hub in the range of about 5.0 to 9.0 mm. The hub defines a post formed about the needle, the post having a distally-facing first skin engaging surface. The exposed length of the needle extends distally from the first skin engaging surface. The hub also defines a distally-facing second skin engaging surface which at least partially circumscribes the first skin engaging surface. The second skin engaging surface being located proximally of the first skin engaging surface. Advantageously, with the subject invention, a pen needle assembly is provided having two skin engaging surfaces which provide stability in achieving subcutaneous injections.

The invention relates to the technical field of surgical instruments and devices, and discloses semi-automatic hair line instrument equipment which comprises a shell, a shell sleeve is fixedly installed in an inner cavity of the shell, a gyroscope is fixedly installed in an inner cavity of the shell sleeve, a fixed shell sleeve is fixedly installed in the inner cavity of the shell, and a pen needle is installed in an inner cavity of the fixed shell sleeve in a sleeved mode. And the shell adopts a split design that two sides are clamped. The stability of the device is ensured through a nested structure of the shell and the internal assembly, vertical precise control over the needle feeding angle is achieved through precise cooperation of the fixing shell sleeve and the pen needle, the intelligent control module integrates the swing function, the hairline trend is more natural, and the hairline effect is better. The ultraviolet sterilization system and the visual operation interface are synchronous, so that the hygienic standard and the operation convenience are improved, the defect that traditional hairline depends on artificial experience is essentially changed, standardized control over the needling depth, angle and density is achieved, and the problems of blooming, abnormal pigment and the like are effectively avoided.

The utility model relates to the technical field of medical instruments, and discloses an insulin injection pen needle head auxiliary fixing device which comprises an outer tube, a first inner threaded tube is installed in the middle of the bottom of the inner side wall of the outer tube, and a first threaded tube is in threaded connection with the middle of the inner side wall of the first inner threaded tube. The middle of the bottom of the first threaded pipe is slidably connected to the bottom of the outer pipe. The position of the whole device can be finely adjusted in the vertical direction by rotating the first threaded pipe so as to adapt to insulin injection pens with different lengths or meet the specific injection height requirement. According to the utility model, the extension length and angle of the needle head can be accurately adjusted through the cooperative operation of the sleeve, the internal threaded pipe, the external threaded pipe, the linked positioning disc, the movable supporting rod and other structures. For example, under the condition that special injection angles (such as injection aiming at different body parts or subcutaneous tissues with different depths) are needed, the requirements can be more accurately met.

Provided in the present invention is a disposable anti-needlestick injection pen needle. A needle holder comprises a first holder body and a second holder body, the second holder body and the first holder body being integrally formed. The first holder body is provided with elastic snap teeth near the second holder body, the upper end of the elastic snap teeth being a beveled surface. A needle tip protector is located on the outer side of the second holder body, the outer wall of the lower portion thereof being provided with a stop block. A spring is limited by the needle tip protector and the first holder body. The lower end of a snap seat is rotatably connected to the needle holder, the inner wall of the lower portion thereof being provided with sliding pieces; the sliding pieces are integrally formed with a snap seat boss. One side of the lower end of the sliding pieces is a beveled surface, and the beveled surface of the sliding pieces cooperates with the beveled surface of the elastic snap teeth for rotation; the other side of the lower end of the sliding pieces is a vertically-arranged stop surface. After the sliding pieces pass through the elastic snap teeth, the elastic snap teeth spring upward to limit the snap seat stop surface, preventing the snap seat from rotating backward. A needle holder protector is located on the outer side the first holder body, the needle tip protector and the snap seat, the lower end thereof being sealed by dialysis paper. In the present invention, the design of the elastic snap teeth and the stop surface can fully limit movement and rotation of the needle tip protector, thereby achieving the comprehensive anti-needlestick function.