24 results about "Syringes needles" patented technology

The utility model relates to the technical field of syringe needle limiting parts, and discloses a stable muscle syringe needle limiting mechanism which comprises a supporting sleeve, a supporting plate and a syringe needle assembly, the supporting plate is arranged at the bottom of the supporting sleeve, and the syringe needle assembly is located on the inner side of the supporting sleeve and penetrates to the bottom of the supporting plate. An adjusting assembly is arranged on the outer side of the supporting sleeve, a limiting supporting assembly which is arranged on the outer side of the syringe needle assembly in a sleeving mode and fixedly connected with the adjusting assembly is arranged in the supporting sleeve, and a supporting movable assembly is arranged at the bottom of the supporting plate. According to the stable muscle syringe needle limiting mechanism, medical staff are allowed to adjust and lock the insertion depth of the syringe needle, the accuracy and safety of injection are improved, the stable muscle syringe needle limiting mechanism can adapt to syringe needles of different lengths, the supporting stability of the syringe needle limiting mechanism is improved, use convenience is improved, and the stable muscle syringe needle limiting mechanism is worthy of popularization and application. And the use of a user is facilitated.

The invention provides a medical syringe needle separating device, and relates to the technical field of syringe needles. The device comprises a clamping mechanism, the clamping mechanism comprises a rotatable rotating disc, a plurality of barrel grooves are formed in the edge of the rotating disc, a clamping assembly is arranged on the rotating disc on the lower portions of the barrel grooves, a cutting mechanism conducts needle cutting on an injector clamped by the clamping mechanism, the cutting mechanism comprises a stand column, a fixed blade is arranged on the stand column, and a movable blade is arranged on the stand column in a sliding mode. The cylinder groove is matched with an injector cylinder in shape, the clamping assembly clamps or loosens an injector in the cylinder groove, the blade point of the fixed blade and the blade point of the movable blade are oppositely arranged, and a driving source for driving the movable blade to slide in a reciprocating mode is arranged on the side portion of the movable blade. And the syringe needle in the cylinder groove passes through the position between the blade points of the fixed blade and the movable blade along with the moving track of the turntable. The syringe needle is cut off to achieve needle separation, manual operation is not needed, and personnel infection is avoided.

Provided herein is a needle shield for use with a syringe comprising a needle and a barrel. The needle shield includes an elastomeric skin layer configured to receive the needle therein and maintain tightness between the needle shield and the needle when the needle shield is positioned on the syringe, and a rigid core embedded within the elastomeric skin layer.

The invention discloses a method for preparing agarose-cellulose-polyurea composite aerogel fiber, which relates to the field of aerogel materials. The method comprises the following steps: connecting a polyfluoroethylene hose to a syringe needle to enable an agarose-cellulose spinning solution to gel into a fiber shape in a coagulation bath due to its self-gelling property; controlling the gelation rate by adjusting the temperature of the coagulation bath, thereby preparing continuous agarose-cellulose composite fibers; reacting the agarose-cellulose composite fibers with components A and B of a synthetic polyurea to in-situ composite the agarose-cellulose composite fibers with polyurea; and finally drying the fibers with supercritical carbon dioxide to obtain agarose-cellulose-polyurea composite aerogel fibers having hydrophobicity and flexibility.

The invention discloses a method suitable for manufacturing a microbial specimen by sealing UV glue, and belongs to the technical field of microbial specimen manufacturing, microorganisms are inoculated to a plate culture medium for culture, then a cultured microbial plate is sterilized and dried, the preheated UV glue is poured into the dried microbial plate, and the microbial specimen is obtained. And carrying out auxiliary defoaming by using a hot air gun or a syringe needle or a vacuum pump, and finally, irradiating for 5 minutes or 8 minutes by using a 36W ultraviolet lamp, so as to obtain the microbial specimen. The method is mainly used for keeping morphological characteristics such as bacterial colony shape and color of microorganisms to the greatest extent after a series of specimen manufacturing process steps are carried out on a cultured microorganism plate with relatively obvious bacterial colony morphological characteristics, the processing steps are simple, convenient and safe, the prepared specimen is stable, and the method is suitable for large-scale popularization and application. The exhibition period is longer, and the exhibition effect is better.

The invention relates to the technical field of medical equipment, in particular to an oral mucosa disease local sealing treatment device which comprises an injector, a needle head, a limiter and a negative pressure control unit, the needle head comprises a needle seat and a curved needle, the curved needle is arranged on the needle seat, and the needle seat is used for being connected with an injection head of the injector. The limiter comprises a flexible cannula assembly, a cannula control assembly, a protective cover assembly and an elastic piece, the flexible cannula assembly is connected to the curved needle in a sleeving mode, the negative pressure control unit adopts a negative pressure injection mode, when mucous membranes are sucked up, signal transmission of local peripheral nerves can be temporarily blocked, and therefore the pain caused by needle head puncture is reduced, and the safety of the mucous membranes is improved. When positions such as gingiva which cannot be sucked up are injected, the protective cover assembly is pushed upwards, the protective cover assembly exposes the needle head, at the moment, piercing injection is directly carried out, when oral mucosa which can be sucked up is injected, the needle head part is covered by the protective cover assembly, the needle head cannot scratch a patient, the safety is good, the pain feeling is small, and the injection depth can be controlled.

The utility model provides a grinding device for syringe needles, and belongs to the technical field of grinding of syringe needles. Comprising a base, a grinding part and two clamping parts are arranged at the top of the base, each clamping part comprises an obliquely-arranged lower clamping plate, limiting rods are arranged at the four corners of the top of each lower clamping plate, and a supporting plate parallel to the lower clamping plates is arranged between the tops of the limiting rods; a blowing assembly is arranged at the top of the supporting plate and comprises an air spraying head and a draught fan used for supplying air to the air spraying head. When a needle head clamped on the clamping part on one side is ground, a worker can disassemble and assemble the needle head on the clamping part on the other side, so that the working efficiency is effectively improved; the syringe needle is obliquely clamped between the upper clamping plate and the lower clamping plate, cutting fluid obliquely flows downwards when sprayed to the needle point of the syringe needle, a large amount of cutting fluid is effectively prevented from flowing into the needle point of the syringe needle, the fan is started to enable air to be sprayed to the needle point of the syringe needle from the air spraying head, the polished syringe needle can be quickly air-dried, and time is saved.

The utility model relates to a kind of cleaning structure for syringe needle processing, belong to syringe needle processing technical field.It includes cleaning tank, the ultrasonic cleaner is equipped in cleaning tank two sides, motor is equipped in cleaning tank side, rotatingly connected with the storage bin in cleaning tank by the rotating mechanism of both sides setting, the output shaft of motor is fixedly connected with a rotating mechanism and penetrates cleaning tank, the water inlet hole of several even arrangements is penetrated in the lower end of storage bin, storage bin is equipped with placing plate, several placing grooves are evenly arranged on placing plate, adjusting mechanism is fixedly connected on the side of placing groove, limiting screen is fixedly connected in the lower end of adjusting mechanism.It is rotated to the storage bin in cleaning tank by setting rotating mechanism, the position of storage bin is adjusted during cleaning, and cooperate limiting screen to limit needle in placing groove, needle is continuously vibrated in placing groove, so that cleaning fluid and needle can be fully contacted.

The invention belongs to the field of biotechnology research, and describes a method for monitoring tomato fusarium wilt and early prevention and treatment of diseases based on minimally invasive tissue sampling. The method comprises the following steps: puncturing a tomato stem base through a sterile syringe needle to obtain trace vascular bundle tissues, and performing rapid nucleic acid extraction; then, whether the plant is infected or not is judged 5-7 days before typical symptoms appear through an isothermal amplification nucleic acid detection technology, the positive detection rate of a loop-mediated nucleic acid isothermal amplification (LAMP) detection method is 47.6%, and the positive detection rate of a recombinase-mediated nucleic acid isothermal amplification (RAA) detection method is 89.71%; finally, for the detected positive plants, in the window period when disease symptoms do not appear, trifluoropyridylamine and bacillus velezensis JSBV63 are adopted for root irrigation treatment in time, the progress of plant diseases can be controlled and blocked, and the control effect can reach 90% or above after two times of pesticide application. The combination of minimally invasive sampling, isothermal nucleic acid amplification detection and medicament treatment realizes a whole set of complete fusarium wilt prevention and treatment technical process from early diagnosis of pathogen infection to disease treatment.

The invention provides a blood glucose test box with a detachable sharp instrument box, and provides the following scheme aiming at the problems that according to an existing blood glucose test box, discarded syringe needles are inconvenient to independently and safely transfer, treat and disinfect, syringe needles which are not used and used are placed in a concentrated mode, cross infection is prone to occurring, and the syringe needles cannot be flexibly disassembled and carried. The blood glucose test box comprises a blood glucose test box body and a box cover rotationally connected to the top of the blood glucose test box body through a hinge, unused syringes, insulin needles and waste needle heads can be independently and separately placed, the cross infection phenomenon is reduced, a waste sharp instrument box can be intelligently, automatically and rapidly opened and two containing boxes can be conveniently and rapidly moved out through single drive, operation is easy, convenient and labor-saving, and the test efficiency is improved. The blood glucose test box is simple in structure and convenient to use, waste needles can be automatically disinfected and sterilized when the shielding is closed, in addition, the waste sharp instrument box can be conveniently, rapidly and independently disassembled, the waste needles do not need to be independently taken out, the mounting base and the structure on the mounting base can be conveniently, rapidly and conveniently disassembled and taken down integrally, and the effect that the blood glucose test box body can be conveniently, independently and flexibly carried and used is achieved.

The utility model discloses an anesthetic medicine proportioning device relates to anesthetic medicine proportioning field, including mixed cup, the inside sliding joint of mixed cup has piston head, the below of piston head is equipped with the mixed cover, the upper surface fixed connection of piston head has the connecting pipe, and the middle part of piston head is equipped with the through -hole of communication with connecting pipe. Through adjusting the vertical rod and drive mixed cover far from piston head, make mixed cover enter liquid medicine, along with control adjusting vertical rod and drive mixed cover to and fro remove, the turbulence groove on mixed cover can fully mix liquid medicine, then lift adjusting vertical rod and make mixed cover close piston head be in the first state, after the syringe needle is stuck into the plug, can take out the mixed liquid medicine completely, until mixed cover and mixed cup bottom surface close, can fully mix liquid medicine fast, also avoided liquid medicine in the container wall, residue, improved practicality and use effect.

The present invention discloses a tendon suturing auxiliary device, which belongs to the field of medical devices and includes: a surrounding structure, which is provided with a fitting channel, the patient's arm is fitted into the fitting channel, the surrounding structure has relative execution ends, and the execution ends form an operation area, and the operation area exposes the wound on the patient's skin surface; a traction structure, which includes a traction member and a clamping member, the ends of the traction member are respectively connected to the clamping member and the surrounding structure, and the clamping member always has a tendency to move to an initial position under the drive of the traction member; a positioning structure, which includes a positioning needle and a reset member, the surrounding structure has a positioning channel, and the positioning needle always has a tendency to move to a penetration position under the drive of the reset member, and when the positioning needle moves to the penetration position, it contacts the execution ends on both sides. Through the above-mentioned settings, the present invention can solve the problem of the risk of puncture when using a syringe needle to puncture the tendon, and the problem of unstable traction effect of hemostatic forceps clamping the wound edge.

The utility model belongs to the technical field of medical instruments, and particularly relates to a diameter-adjustable fiber bronchoscope airway surface anesthesia tube which comprises a flexible plate, a locking block and an adapter, a through hole is formed in the position, close to the bottom, of the flexible plate, and the flexible plate can be wound in the radial direction to form a diameter-adjustable catheter. The catheter with the adjusted diameter can be inserted into the biopsy channel and shaped through the inner wall of the biopsy channel, the catheter is positioned when the catheter goes deep into the biopsy channel and the locking block makes contact with the biopsy channel, the adapter is connected with the top end of the catheter in an interference fit mode, and the adapter is used for being connected with a syringe needle to inject anesthetics. Therefore, according to the airway surface anesthesia tube with the structure, the traditional catheter structure with a fixed tube diameter is abandoned, the airway surface anesthesia tube is formed by winding the flexible plate, and the biopsy channel on the fiber bronchus is shaped, so that the suitability and the efficiency of the catheter in use are improved, and the defects in the prior art are overcome.

Provided herein is a needle shield for use with a syringe comprising a needle and a barrel. The needle shield includes a rigid outer casing forming at least a portion of an outer surface of the needle shield and a compliant inner casing positioned within the rigid outer casing and formed of an elastomeric material, the compliant inner casing having a closed distal end and an open proximal end and defining a cavity therein. The hollow cavity comprises a needle storage portion within which the needle is positioned, with the needle positioned within the needle storage portion such that a sharpened tip of the needle is not embedded in the compliant inner casing and such that the compliant inner casing presses against a circumferential sidewall of the needle, to form a seal between the compliant inner casing and the circumferential sidewall along a portion of a length thereof.

The invention relates to the field of biology and basic medicine, in particular to animal experiments. The invention discloses a handheld rat and mouse cardiac impulse detector which is used for assisting in detecting rat and mouse cardiac impulse in the rat and mouse heart blood sampling process and accurately determining the blood sampling position by fixing the depth of a syringe penetrating into the heart. The instrument comprises a miniature cardiac pulse detector, a cardiac pulse signal and electric signal conversion module, an electronic display screen with a small hole in the middle, a handle, a switch and a USB interface. The instrument can detect heart beat signals of rats and mice in real time, convert the signals into electric signals and finally display the electric signals on the electronic display screen in a contour line form. An operator can determine the area with the strongest cardiac pulsation according to the depth of the color, the small hole in the instrument is moved to the area, and a syringe needle penetrates through the hole and pierces the heart of a rat or a mouse for blood collection. Compared with a traditional heart blood sampling method, under the assistance of the instrument, the consistency of blood sampling positions and the blood sampling success rate can be guaranteed, and follow-up experiment variables are reduced.

The anti-embolism double-channel injector comprises a needle cylinder, a needle head, a piston and a puncture needle, a transverse partition plate is arranged in the needle cylinder, and the interior of the needle cylinder is divided into an upper injection cavity and a lower blood return cavity by the transverse partition plate; the needle is arranged at the tail end of the needle cylinder, the upper portion of the needle penetrates through the transverse partition plate, a longitudinal partition plate is arranged in the needle and divides the interior of the needle into an injection channel and a blood return channel, the injection channel is communicated with the injection cavity, and the blood return channel is communicated with the blood return cavity; the end surface of the tail end of the needle head is a plane; the piston is movably arranged at one end of the injection cavity; a needle body of the puncture needle penetrates through the piston and the injection channel, and a needle tip of the puncture needle extends out of a needle head; whether the needle is inserted into a blood vessel or not is judged by observing the blood return condition in the blood return cavity, so that complications caused by the fact that medicine is injected into the blood vessel are avoided; meanwhile, the tail end of the needle is arranged to be a plane, and the problem that medicine is injected into a non-target area due to the fact that an existing syringe needle punctures an inclined plane in a straddling mode is solved.

Disclosed herein are methods of delivering implants to a target organ with an implant administration device, where the implant administration device includes a polymer retainer. Methods of making polymer retainers and methods of securing an implant within an implant administration device using a polymer retainer are also disclosed herein.

The utility model provides a drainage tube device for preventing blood clots from blocking a tube. The drainage tube device comprises a drainage tube, the device further comprises a pipe connecting piece arranged at the liquid inlet end of the drainage pipe, the pipe connecting piece comprises a connecting pipe and a dredging pipe which are integrally formed, the connecting pipe is fixedly installed on the outer wall face of the drainage pipe in a shape-following mode, the interior of the dredging pipe is communicated with the drainage pipe, and an end cover arranged at the pipe end of the dredging pipe is provided with an inserting hole for a syringe needle to be inserted into. And an attached film for plugging the jack is detachably adhered to the end surface of the end cover. The tube connecting piece is arranged at the liquid inlet end of the drainage tube, when the drainage tube is blocked by blood clots, the attached film is torn down, the syringe needle is inserted into the insertion hole, or the syringe needle can be directly used for breaking the attached film and inserting the attached film into the insertion hole, and air or anticoagulant for dredging the blood clots is injected into the drainage tube; the problem that the drainage tube is blocked can be effectively solved, the drainage tube does not need to be replaced, and the drainage tube has the advantages of simple structure and convenience in operation.

The utility model relates to the technical field of ink cartridges, in particular to an ink cartridge structure, which comprises a shell, a cover plate, a plugging assembly and an ink cartridge, a sponge block is arranged in the shell, a plurality of clamping grooves are equidistantly formed in the upper ends of the surfaces of the two sides of the shell, the cover plate is movably embedded in the upper end of the shell, and the plugging assembly is fixedly mounted on the lower surface of the cover plate. The plugging assembly comprises a fixing ring fixedly installed on the lower surface of the cover plate, a supporting ring is fixedly installed at the lower end of the inner side surface of the fixing ring, and a hollow step block is slidably connected into the supporting ring. According to the utility model, the spring pushes the hollow step block to move upwards to block the ink adding hole, and when ink is added, a syringe needle is inserted into the ink adding groove, the hollow step block is pushed to move downwards to add ink into the ink box, so that the ink adding hole is blocked when ink is not added, a sticker is replaced for sealing, external dust is prevented from entering the ink box, and the dustproof effect is improved; the ink box is convenient to open and disassemble through clamping of the clamping buckle and the clamping groove.

The invention relates to a high-toughness and high-conductivity supramolecular hydrogel fiber and a preparation method thereof.The preparation method comprises the steps that sodium alginate with good biocompatibility, polyvinyl alcohol, aniline and m-aminophenylboronic acid are dissolved in water to serve as a spinning solution; coagulating ammonium persulfate and calcium chloride; and extruding the spinning solution into a coagulating bath through a syringe needle, and forming the high-performance supramolecular hydrogel fiber in combination with a wet spinning process and a supramolecular self-assembly strategy. The supramolecular hydrogel fiber prepared by the invention has the characteristics of continuity and controllable diameter, and has high conductivity, excellent stretchability and stable sensing performance.

A device for supporting insemination that includes an elongated tubular body, the body has a proximal portion, a middle portion, and a distal portion, the proximal portion is of an oval shape, the middle portion is of a narrow tubular shape, and the distal portion is configured as a hub to sealably receive a tip of a syringe. The body further has a hollow central channel that extends throughout the length of the elongated tubular body.

The utility model discloses an anti-stabbing device for a syringe needle, which relates to the technical field of medical treatment and specifically comprises a supporting shell and a needle fixing structure, a balancing weight is arranged at the bottom of an inner cavity of the supporting shell, and the top end of the inner cavity of the supporting shell is in threaded connection with the needle fixing structure. The needle head fixing structure comprises a fixing shell matched with the supporting shell, the top end of an inner cavity of the fixing shell is fixedly connected with a needle head wrapping block, the bottom of the fixing shell is movably connected with an opening and closing cover, and a liquid suction block is placed in a cavity between the opening and closing cover and the needle head wrapping block; a handle is arranged on one side of the supporting shell. According to the puncture-preventing device for the syringe needle, through the arrangement of the balancing weight, the gravity center of the puncture-preventing device can be lowered, and the stability of the puncture-preventing device is improved; by changing the position of the sliding rod in the sliding groove, the supporting area of the device can be changed, and therefore the using stability of the device can be further improved.

The present invention discloses a medical device (100) and method for injection of a medicament in the body by performing aspiration for safety and subsequently administer a medicament The co-axial syringe-needle arrangement includes an inner needle (101) and an outer needle (201), each equipped with a hollow angled bevel (101a, 201a) for precise detection of blood vessels and injection of medicament respectively at the same level. The device incorporates inner and outer plungers (104, 204), inner and outer hubs (103, 203), and finger flange (301) for efficient handling. The medical device (100) of the invention being capable of detecting the damage in blood vessels before the injection of medicament.