35 results about "Disposable Needle" patented technology

The invention relates to the technical field of bearing machining, in particular to a miniature needle bearing one-time needle mounting mechanism which comprises a positioning mechanism, a needle falling mechanism and a press mounting mechanism, the positioning mechanism is used for positioning a retainer and a needle roller, and the needle falling mechanism is used for feeding the needle roller into the positioning mechanism; and the press-fitting mechanism is used for pressing the roller pin on the lifting support into the retainer from the inner side. According to the one-time needle mounting mechanism for the miniature needle bearing, the positioning mechanism, the needle falling mechanism and the press mounting mechanism which are specially designed are matched, automatic one-time needle mounting can be conducted on the miniature needle bearing with the small size, the needle mounting efficiency is greatly improved, the labor intensity of operators is reduced, and the product quality is improved.

The invention discloses a tissue preservation solution in organoid construction as well as a preparation method and application thereof. The tissue preservation solution is prepared from the following components: an Advanced DMEM / F12 culture medium, a mycillin / amphotericin B three-antibody mother solution, Glutamax-1, an HEPES buffer solution and a Y-27632 mother solution. The preparation method of the tissue preserving fluid comprises the following steps: adding an Advanced DMEM / F12 culture medium into a centrifugal tube on a super clean bench; then sequentially adding a mycillin / amphotericin B three-antibody mother solution, Glutamax-1, an HEPES buffer solution and Y-27632, and uniformly mixing, so as to obtain the tissue preservation solution. After uniformly mixing, filtering and sterilizing by using a disposable needle type filter, and collecting the preserving fluid into a centrifugal tube; the invention also discloses an application of the tissue preserving fluid in organoid construction. According to the tissue preserving fluid obtained by the invention, in the transportation process, the cell viability in the tissue is improved, the cell damage is reduced, and the success rate of primary cell adherent culture and organoid construction is increased.

The invention relates to the technical field of vaccine injection, and discloses a vaccine continuous injection device which comprises a rotary medicine feeding mechanism, a holding medicine pushing mechanism is arranged at one end of the rotary medicine feeding mechanism, a disposable needle hiding and liquid storing mechanism is arranged in the holding medicine pushing mechanism, the holding medicine pushing mechanism comprises a medicine pushing unit and a gear unit, and the gear unit is connected with the medicine pushing unit. The gear unit is located on the surface of one end of the medicine pushing unit. According to the continuous vaccine injection device, through the arrangement of the rotary medicine feeding mechanism, the holding medicine pushing mechanism and the disposable needle hiding and liquid storing mechanism, the disposable needle hiding and liquid storing mechanism can be controlled through the holding medicine pushing mechanism to conduct medicine pushing injection during use, and the rotary medicine feeding mechanism and the holding medicine pushing mechanism are separated through a material guiding hose; the storage occupied space of the disposable needle hiding and liquid storing mechanism is avoided, it is guaranteed that the size of the holding and medicine pushing mechanism is reduced, the use method that a thumb and an index finger are used for holding and positioning is conducted through a wrist is convenient, and the needle inserting precision and flexibility are improved.

The present application discloses a disposable needle patch production device and a control method thereof, which relates to a production device, wherein the needle patch comprises a protective film, a cushion layer and an anti-sticking layer stacked in sequence, and a nanoneedle cavity is arranged in the middle of the cushion layer; the production device comprises: a production component, which is used to produce a product including the needle patch and an outer package; a detection component, which is provided with a camera and a processor, and the processor detects whether the product is qualified based on an image of the product taken by the camera; and a sorting component, which is used to separate products determined as unqualified by the detection component from products determined as qualified by the detection component.

The utility model provides a disposable needleless injection needle which comprises a pressure source instrument connecting part, a liquid medicine injection part, a liquid medicine storage part and a liquid medicine injection part, and a screw sequentially penetrates through a screw hole of the liquid medicine injection part and a screw hole of the liquid medicine storage part and finally enters a threaded hole of the pressure source instrument connecting part to achieve overall fixation. The side wall of the liquid medicine injection part and the side wall of the liquid medicine storage part are fixed through screws, the pressure source instrument connecting part is connected with an external micro-jet injector to obtain a pressure source, and the liquid medicine injection part is connected with an external injection tube to obtain liquid medicine. And the continuous broken injection of the liquid medicine is realized. The utility model has the beneficial effects that a trace amount of medicine can be quickly and accurately injected into the skin surface layer, so that pain and recovery time are reduced; under the condition that the needle head is not replaced, liquid medicine can be added at any time, and convenience and rapidness are achieved.

The utility model relates to the technical field of infusion auxiliary supplies, and discloses a disposable needle fixing glove which comprises a palm plate, the front end of the palm plate is fixedly connected with a front plate, the top end of the front plate is fixedly connected with a palm hook-and-loop fastener, the top end of the front plate is fixedly connected with a palm pasting block, and the palm pasting block is fixedly connected with a handle. The bottom end of the palm plate is fixedly connected with a fixing plate, the right end of the palm plate is fixedly connected with a winding assembly, the top end of the front plate is fixedly connected with a finger hook-and-loop fastener, and the top end of the front plate is fixedly connected with a finger sticking block. According to the utility model, the palm plate cannot be bent, and the finger magic tapes, the front plate and the wrist plate can be bent, so that the movement of hand muscles can be reduced by fixing the palm, the pain of a patient in the operation process can be reduced, and the pain and discomfort caused by needle swelling of the patient during injection can be reduced by fixing the palm.

The present invention provides a follicle-stimulating hormone syringe, comprising a pen body, a refill holder, a disposable needle, a shielding tube, and a driving mechanism. The refill holder is coaxially connected to the pen body, and is used to place the injection refill. The disposable needle is used to communicate with the injection refill, and is located on the side of the refill holder away from the pen body. The shielding tube is sleeved outside the refill holder, and the shielding tube can cover the disposable needle after moving axially along the refill holder. The shielding tube can be a hollow setting. The driving mechanism is used to drive the shielding tube to move. The present invention drives the shielding tube to move on the refill holder through the driving mechanism. After the shielding tube covers the disposable needle, it can prevent the disposable needle from stabbing medical staff.

The invention relates to an injector handle, a veterinary electric injector and a continuous injection method. The syringe handle comprises a holding straight pipe, a switch base, a communicating piece and a disposable needle. The overall shape of the syringe handle is like a dagger, and puncture force application is facilitated; fingers can be put on the button switch in the puncture process; when the syringe handle is subjected to resistance of livestock skin during puncturing, the button switch can be pressed down in time, so that the liquid medicine is started to be conveyed; the veterinary electric injector further comprises a front shell part, a rear shell part, a hose and a first connecting screw. The electric injector for livestock can realize continuous and accurate liquid medicine injection, and is suitable for large-scale popularization in farms; the continuous injection method is easy to operate, puncture and liquid medicine injection are completed at a time, and the injection efficiency is improved.

The utility model relates to a disposable needle and thread integrated catgut embedding needle, and belongs to the field of medical instruments. The puncture needle comprises a puncture needle body and is structurally characterized by further comprising a push rod and a clamping lock, and the push rod and the clamping lock are both installed on the puncture needle body; the puncture needle comprises a needle body, a needle seat and a conical seat, the needle body is fixed to the conical seat, the conical seat is fixed to the needle seat, the clamping lock comprises a clamping lock body, an elastic piece, a clamping block and a clamping groove, the elastic piece is fixed to the clamping lock body, the clamping block is fixed to the elastic piece, the clamping groove is formed in the needle seat, the clamping block is matched with the clamping groove, and a pinching groove is formed in the clamping lock body; the push rod seat is fixed with the guide rod, the guide rod is fixed with the push rod flat-head needle, the guide rod and the push rod flat-head needle are both located in the needle body, the puncture needle is sleeved with an outer sleeve, the outer sleeve comprises an outer sleeve body and a supporting sleeve, the supporting sleeve is fixed in the outer sleeve body and makes contact with the conical seat, and a foam pad used for preventing a thread body from falling off is arranged at the needle point of the needle body.

The utility model discloses a disposable needle for rapid microwave ablation, and relates to the technical field of microwave ablation needle treatment. The rapid microwave ablation disposable needle comprises a needle body shell, a connecting ring is connected to the bottom of the needle body shell, a limiting block is connected to one end of the connecting ring, a handle is arranged at the bottom of the needle body shell, a connecting base is connected to the top of the handle, a groove is formed in one end of the connecting base, the connecting ring is made of ceramic, and the limiting block is connected to the other end of the connecting ring. The limiting block connected with one end of the connecting ring is embedded into the groove, then the connecting ring is rotated, the needle body shell is connected with the handle, and when the needle is assembled and used for the first time, the connecting ring can normally play a connecting role. However, after use, if the needle body shell and the handle are tried to be detached, the connecting ring is made of a fragile ceramic material, so that the connecting ring can be broken when external force is slightly applied, and the requirement of disposable use is met.

1. Name of the product in this design: Standardized Insulin Injection Education Rotary Canister. 2. Purpose of this design: This product is mainly used in educational settings for disposable injection needles. This article mainly introduces the selection of disposable needles and the dangers of reusing needles. At the same time, it provides a way to observe the needle through microscopic magnification. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design highlights: 3D view of component 3. 5. The design for which protection is sought includes color. 6. The bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of component 1 is omitted; the bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of component 2 is omitted; the bottom surface of this design product is a part that is not easily seen or not visible during use, so the bottom view of component 4 is omitted. 7. Other situations requiring explanation: Component description: Component 1 and Component 2 are display modules, Component 3 is a needle observation module, and Component 4 is a power supply module for Component 1, Component 2, and Component 3.

This application relates to a disposable internal pin loading machine specifically for double-row needle roller bearings in the field of bearing processing technology. It includes a needle roller feeding mechanism, a positioning mechanism, and a disposable internal pin loading mechanism. The needle roller feeding mechanism feeds needle rollers into the positioning mechanism, which positions the cage and needle rollers. The disposable internal pin loading mechanism inserts the needle rollers into the cage in a single operation. This disposable internal pin loading machine, through the coordinated design of the specially designed needle roller feeding mechanism, positioning mechanism, and disposable internal pin loading mechanism, enables one-time pin loading of needle roller bearings, especially double-row needle roller bearings, significantly improving loading efficiency and ensuring product quality.

The invention provides a handheld needleless injection instrument and a using method thereof, and belongs to the technical field of needleless injectors. The handheld needleless injection instrument comprises an injection shell; the injection cylinder is arranged in the injection shell; the connector is fixedly connected to the lower end of the syringe; the replaceable needle head is connected to the outer surface of the connector in a sliding manner; the number of the replacing assemblies is two, each replacing assembly comprises a fixing groove, an extrusion plate, a first spring groove, a first spring, a fixing block, a pressing groove and a liquid outlet hole, the pressing groove is formed in one side end of the replacing needle head, the fixing groove is formed in the inner wall of one side of the pressing groove, and the replacing needle head can be used as a disposable needle head to guarantee cleanliness of the replacing needle head; during injection, the replaceable needle heads of different liquid outlet holes can be replaced to cooperate with injection according to specific use conditions.

A needle-holding cartridge for cosmetic treatments includes a casing with a first part, intended to be rested on a zone of the body of a patient in which a cosmetic treatment has to be performed, and a second part intended to be inserted into and locked in an appropriate seat obtained at an end of a device for cosmetic treatments, inside the first part of the casing a support element being arranged that can slide inside the casing; to the support element a single needle or a plurality of needles is fixed that can protrude from the casing through an opening placed at a first end of the casing, the support element being provided with a rod-shaped appendage, a portion of which protrudes from the casing through a hole obtained at a second end of the casing, opposite the first end; the needle-holding cartridge further includes a first ring-shaped sealing element that surrounds the appendage and is inserted into a seat obtained at the second end of the casing, and a sheath-shaped second sealing element placed on said portion of the appendage.

1. Name of the product in this design: Needle tip protective sleeve. 2. Purpose of this design: When mounted on a disposable needle assembly, it can cover the needle after injection to prevent needle injury. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The present invention discloses a disposable anti-needle-stick type intravenous indwelling needle, comprising a sleeve, an inner groove is provided on the inner side of the sleeve, a fastening plug is clamped at the bottom of the sleeve, an isolation plug is fixedly installed at the bottom of the fastening plug, a steel needle that penetrates the fastening plug and the isolation plug is slidably inserted into the inner side of the inner groove, and the top of the steel needle extends to the top of the sleeve and is fixedly installed with a fixed needle seat that fits the top surface of the sleeve. The disposable anti-needle-stick type intravenous indwelling needle, by continuing to push the sleeve and the steel under the support of the support plate, sends the catheter into the blood vessel of the infusion recipient, and the support plate can play an effective auxiliary support effect, effectively alleviate the slight tremor of medical staff during the advancement, greatly improve the stability of the steel needle during the advancement process, effectively reduce the damage caused by the steel needle to the infusion recipient, and make the intravenous indwelling needle smooth.

A disposable needle tube type collecting and storing integrated blood container is composed of a needle tube, a piston and a rod handle, a needle head connecting portion is arranged at the front end of the needle tube, the outer wall of the piston and the inner wall of the needle tube are sealed in a sliding friction mode, the piston and the rod handle are of a split structure, the cross section of the piston is in a lateral U shape, and a pair of L-shaped notches are formed in the groove wall of a U-shaped groove of the piston. And a convex column matched with the L-shaped notch is arranged at the front end part of the rod handle. Compared with the prior art, the dual-purpose syringe has the advantages that the dual purposes of sampling and storage are achieved, the operation is convenient, and in addition, due to the fact that the dual-purpose syringe is of an open structure, blood can be prevented from being polluted.

The utility model relates to the field of medical instruments, in particular to an elastic sheet type disposable puncture-proof blood taking needle which comprises a blood taking needle and a hose connected with the blood taking needle, and further comprises a puncture-proof connecting seat, the puncture-proof connecting seat is provided with a cavity, one end of the cavity is provided with a first through hole, the first through hole is used for the blood taking needle to penetrate through, and the other end of the cavity is provided with a second through hole. An L-shaped elastic piece is arranged on the side, close to the blood taking needle, of a cavity of the puncture-proof connecting base, one end of the L-shaped elastic piece abuts against a protruding block located on one side of the top of the cavity, the other end of the L-shaped elastic piece abuts against the top of the cavity, a through groove is formed in the middle of the L-shaped elastic piece, the blood taking needle can penetrate through the through groove, and the blood taking needle can support the elastic piece. A gap is reserved between the bottom of the elastic sheet and the bottom of the cavity. The blood taking device has the advantages that a used blood taking needle can be contained in the cavity, the needle head is prevented from being exposed, and the risk that an operator is punctured by the needle head accidentally is reduced; and the used needle head is stably limited in the cavity, so that the risk that the needle head pierces out again is avoided.

The utility model discloses a novel needle which comprises a needle head and a handle, a cylinder base is fixed to the end of the handle, an annular groove with a circular section is formed in the outer wall of one end of the needle head, a rubber ring is embedded in the annular groove, one end of the needle head is inserted into the cylinder base, and the surface of the rubber ring is attached to the inner wall of the cylinder base. According to the disposable needle, the cylinder base, the needle head, the handle and the rubber ring are designed, a traditional integrated needle is divided into two parts, the needle head is inserted into the cylinder base of the handle, and the needle head is fixed through the tensioning friction effect of the rubber ring so that the needle head can be detached and replaced, the needle head of the disposable needle can be used and replaced in a disposable mode, and the disposable needle is convenient to use. And sanitation and safety are improved.

An apparatus for the disposal of sharps such as single use needles, scalpel blades and the like comprises a housing 14 having an enclosing wall 18 (Figure 1), an entry aperture 90 in the housing for r

The utility model belongs to the field of dental treatment instruments, and relates to a handle which comprises a shell and a main path pipe arranged in the shell, the main path pipe is provided with a first connector and at least two second connectors, the first connector is connected with a connector used for being connected with a disposable needle, and the two second connectors are used for water inlet and water outlet respectively; the two second interfaces are communicated with the first interface through a connecting channel; the utility model further relates to an electric root canal flusher. According to the technical scheme, the connector can be connected with the disposable syringe needle for manual injection of a doctor, the disposable syringe needle is effectively matched, other syringe needles matched with the handle do not need to be purchased, the universality of a product is improved, the use cost is reduced, meanwhile, the disposable syringe needle is thrown away at any time and does not need to be detached after being used for high-temperature steam sterilization, and the use cost is reduced. The use is very convenient.

The utility model discloses an emergency nursing sharp instrument storage device, and belongs to the technical field of emergency nursing. Comprising a sharp instrument storage body, the sharp instrument storage body comprises a closed box, a disinfection assembly is arranged in the closed box, a transparent bin is arranged at the top end of the closed box, a lower notch is formed in one side of the transparent bin, and a side panel is hinged to the edge of an opening in one side of the closed box. New instruments are placed at the top end of the transparent bin, so that the disposable needle devices can be prevented from being overdue according to the principles of placing date, placing first for use and placing later for use, the two pushing assemblies are used for placing the cutting device and the shearing device respectively, an outer sliding rail slides out of an inner sliding rail, a placing plate is in an inclined state through rotation, tools are convenient to take, and the working efficiency is improved. The fixing belt is mainly used for fixing tools and preventing the tools from falling off, the rotating rod can change the position by extruding the elastic metal ball and can be automatically limited after rotating, and therefore various instruments can be stored in a classified mode and taken smoothly.

The invention relates to the technical field of blood drawing devices, and discloses a pneumatic endocrine diabetes blood examination blood drawing device which comprises an elastic telescopic driving mechanism and a gap type flow limiting mechanism. The pneumatic type endocrine diabetes blood examination blood drawing device can be used in cooperation with a disposable needle cylinder, a power component used for driving blood drawing can be rapidly disassembled or assembled, and therefore the use cost of the device when blood drawing is conducted on different patients is reduced, and in addition, by means of flow limitation of gas in the hole-shaped structure, the device is convenient to use and high in practicability. And the speed of blood drawing and discharging can be controlled, so that negative effects caused by too high blood discharging speed are prevented.

The utility model discloses an adjustable multifunctional acupuncture pen which can timely remove errhysis of a wound and improve the efficiency of clinical nursing. The adjustable multifunctional acupuncture pen comprises a shell and a disposable needle. A containing cavity is formed in the shell, the shell is provided with an opening communicated with the containing cavity in the first direction, the first direction is the axial direction of the shell, and an inner cylinder is arranged in the shell and exposed out of the opening. The disposable needle head comprises a shell and a needle body, a cavity is formed in the shell, a gauze cotton pad is arranged in the cavity, the needle body is of a hollow structure and is provided with a through hole penetrating in the first direction, the end of the needle body is arranged on one side of the shell in the first direction, the through hole is communicated with the cavity, and the other side of the shell is used for being inserted into the opening and detachably connected with the inner cylinder.

The invention provides a follicle-stimulating hormone injector. The follicle-stimulating hormone injector comprises a pen body, a refill frame, a disposable needle head, a shielding cylinder and a driving mechanism. The refill frame is coaxially connected with the pen body, and the refill frame is used for placing a refill for injection. The disposable needle head is used for being communicated with the refill for injection and located on the side, away from the pen body, of the refill frame. The shielding cylinder is arranged outside the refill frame in a sleeving mode, and the shielding cylinder can move in the axial direction of the refill frame and then cover the disposable needle head. The shielding cylinder can be arranged in a hollowed-out mode. The driving mechanism is used for driving the shielding cylinder to move. The shielding cylinder is driven by the driving mechanism to move on the refill frame, and after the shielding cylinder covers the disposable needle head, the disposable needle head can be prevented from stabbing medical staff.

This invention relates to the field of medical device technology, specifically to an automatic insulin pen needle replacement device, comprising a shell, a storage compartment, a pen holder, an injection pen body, and a cap. The shell contains a conveying mechanism. A through-hole for the needle is formed along the central axis of the shell and the storage compartment. A plug is inserted into the through-hole on the left side of the shell. A transmission box is fixedly mounted on the lower right side of the shell. A knob mechanism is located on the right side inside the transmission box, and a pushing mechanism is located at the lower inside of the transmission box. A battery is fixedly mounted on the lower left side of the shell, and a controller is fixedly connected to the top right side of the shell. This invention utilizes a sliding structure of the shell and storage compartment to allow for the separate storage of the injection pen body and multiple sets of disposable needle assemblies, facilitating automatic replacement of disposable needles when the injection pen body is not in use.

The invention discloses a disposable anti-needle-stick-injury and anti-pollution device, and relates to the technical field of infusion apparatus safety devices, the disposable anti-needle-stick-injury and anti-pollution device comprises a barrel, and a liquid absorption cotton column is fixedly installed in the barrel; wherein the upper wall of the cylinder is provided with a needle hole allowing a needle body to be inserted therein and a first seam communicated with the needle hole, the first seam extends from the needle hole to the outer edge of the top wall of the cylinder and continues to extend downwards along the outer wall of the cylinder to form a second seam, and the lower end of the second seam is communicated with a rectangular hole formed in the outer wall of the cylinder. The needle hole in the upper wall of the cylinder provides an insertion channel for the needle head, and the first seam and the second seam form an L-shaped rail groove, so that the needle wing is guided into the second seam which is vertically formed under pressing and finally clamped in the rectangular hole, and limiting is formed; at the moment, the needle tip enters the liquid absorption cotton column, residual blood is absorbed instantly under the capillary action of fibers in the cotton column, liquid drops are prevented from overflowing, meanwhile, the needle head is limited by the rectangular hole and cannot retreat or slip, and one-step anti-needling and anti-pollution dual protection of'locking after insertion and liquid absorption after locking 'is achieved.

The invention discloses an endoscope injection needle suitable for peptic ulcer, which relates to the field of medical instruments and specifically comprises an endoscope body, a disposable injection needle head, a disposable infusion tube, a connector, an anti-blocking plate and an adjusting grab handle. A conveying cavity for installing the disposable injection needle, the disposable infusion tube and the adjusting grab handle is formed in the endoscope body, the interior of the disposable injection needle is communicated with the interior of the disposable infusion tube, and the adjusting grab handle is arranged on one side of the disposable infusion tube. The use length of the disposable needle head is adjusted through the adjusting grab handle, the pushing rod, the fixing groove and the positioning groove, the pushing rod only needs to slide to the needed position in the positioning groove and then is clamped into the fixing groove in the adjusting process, and the convenience degree is high; secondly, through mutual cooperation of an anti-blocking plate, a non-return block and a reset spring, the effect of preventing the disposable injection needle from being blocked in the process that the endoscope body is placed into the body of a patient is achieved.

The utility model discloses an auxiliary sample liquid transfer device for a medical 96-well plate. Comprising a main machine body, a loading plate, a travel switch, an orthogonal moving unit, a pipetting execution unit and a needle replacement unit, a disposable needle head is preassembled in the needle head replacing unit and is a capillary glass tube, and a needle handle is arranged at the top of the disposable needle head. Through effective combination of the orthogonal moving unit and the pipetting execution unit, automatic transfer of sample liquid in an EP tube plate and a 96-well plate is realized, meanwhile, automatic replacement of a needle head can be realized by virtue of the needle head replacement unit, and a needle head recovery chamber is additionally arranged, so that the pollution problem caused by disordered placement of the needle head is prevented; the full-process operation of manually transferring the sample liquid, replacing the disposable needle head and abandoning the needle is simulated to a great extent, the manual labor force is liberated by an automatic method, the technical risk of sample liquid transfer dislocation is also prevented, and the accuracy and the working efficiency are improved.

The present invention relates to the field of medical device technology, specifically to a disposable needleless suture device with a wound flattening function and a method of use, including a suture device assembly, the suture device assembly including a flattening suture device, the flattening suture device including a medicine-applying piece, both ends of the medicine-applying piece are connected to a stretching piece through the flattening piece, the end of the flattening piece away from the medicine-applying piece is connected to a driving bar, the driving bar passes through the stretching piece and extends to the outside of the stretching piece, the stretching piece is used to adjust the horizontal movement of the flattening piece, and a flattening block is provided on the flattening piece, and the flattening block is attached to the skin. According to the present invention, a plurality of flattening suture devices can be evenly distributed around the wound, and the wound does not need to be sutured, thereby improving the efficiency of treatment. By rotating the fastener on the stretching piece to pull the driving bar on the flattening piece, the flattening block on the rubber parallel piece slides on the skin, and then the wound can be flattened. The structure is simple, and only the stretching piece needs to be adjusted, which greatly improves the efficiency of wound flattening.