103results about How to "Avoid stabbing" patented technology

The utility model relates to an insulin treatment cart. The insulin treatment cart comprises a frame; the operation table top is arranged at the top end of the frame and comprises a special injector box for placing an insulin injector, a special blood glucose testing box for placing related tools for testing blood glucose and a blood glucose meter placing frame for placing a blood glucose meter, and a sharp instrument box for conveniently recycling a needle head of the insulin injector is arranged in the special blood glucose testing box; the sharp instrument box comprises a box body and a box cover detachably arranged at the top of the box body, a dismounting hole is formed in the end face of the box cover, a dismounting ring is arranged in the dismounting hole, and a plurality of clamping blocks matched with the peripheral wall of a needle of the insulin syringe are arranged on the inner end face of the dismounting ring in the circumferential direction at intervals. And the drawer is arranged below the operation table top. Compared with the prior art, insulin for diabetes treatment and related tools can be placed in the insulin storage box in a standard mode, meanwhile, the insulin needle recycling box is arranged, medical workers are prevented from being punctured by needles, and the medical workers can conveniently find related articles and discard the needles after injection.

The invention belongs to the technical field of medical instruments, and particularly relates to an elastically fixed heart valve device. A resiliently secured heart valve device includes: a stent mechanism having an outer frame; and the anchoring pieces are evenly arranged on the peripheral face of the outer frame in the circumferential direction, anchoring piece openings facing the inflow end are formed between the anchoring pieces and the outer frame, and the anchoring pieces are provided with axial elastic parts capable of being axially compressed. Through the design of the axial elastic part which can be compressed axially, the anchoring part can be preset to be relatively long, after the valve is implanted, it is guaranteed that the free end of the anchoring part can effectively abut against the root of the valve ring, the anchoring part compresses the axial elastic part under the action of the valve ring, and therefore the axial elastic part can be compressed to be short under the action that the axial elastic part can be compressed to be short. And large force cannot be generated on the valve ring, so that the valve ring is prevented from being punctured by the anchoring piece.

The utility model belongs to the technical field of blasting construction, and particularly relates to a detonating cord cutting device which comprises an outer shell and a supporting plate, an opening is formed in the outer shell and penetrates into the outer shell, the supporting plate is arranged in the opening in a sliding mode, one end of the supporting plate is connected with a blade, and the other end of the supporting plate is connected with the blade. One end of the blade is connected with an opening, the other end of the blade is connected with an elastic piece, the shell is provided with a finger groove, the finger groove penetrates into the opening, the finger groove is formed in the position of the supporting plate, and the shell is provided with a cutting groove. The detonating cord penetrates through the cutting groove, and fingers extend into the finger groove to slide the supporting plate downwards, so that the blade can be pushed to cut the detonating cord; the blade can move only when fingers slide the supporting plate, the blade is prevented from stabbing workers in the carrying process, and meanwhile the cutting process is safe and efficient.

The invention provides panoramic glass and a vehicle, the panoramic glass comprises a glass substrate and a reflecting layer arranged on the glass substrate, the glass substrate has the width D1 in the first direction and the length D2 in the second direction, the ratio D2 / D1 of the length D2 to the width D1 is larger than or equal to 1, and the glass substrate is provided with a light-transmitting area and a sunshade area located above the light-transmitting area; the reflecting layer is arranged in the sunshade area, and the total solar transmittance TTS of the sunshade area is smaller than or equal to 35%. According to the panoramic glass, the reflecting layer is arranged on the glass substrate and is arranged in the sunshade area, so that the panoramic glass can bring a wider visual field to a driver, the reflecting layer reflects sunlight, the total solar transmittance TTS of the sunshade area is smaller than or equal to 35%, the utilization rate of a refrigerating device in a vehicle is reduced, more vehicle energy is used for driving, and the driving safety is improved. In addition, the reflecting layer can further achieve the sun-proof effect, eyes of a driver are prevented from being dazzling, and the driving safety is improved.

The invention discloses a sealing gasket taking-out device for a liquid rocket engine valve test. The sealing gasket taking-out device comprises a replaceable head, an extension rod, a limiting piece and a riveting pin. One end of the replaceable head is a duckbilled tip, and the other end is screwed with the extension rod; a radial through groove is formed in the position, close to the duckbilled tip, of the replaceable head, and the limiting piece is installed in the radial through groove and fixed through the riveting pin. By means of the sealing gasket taking-out device for the liquid rocket engine valve test, the problem that a soft metal sealing gasket cannot be taken out of a flange groove after a valve low-temperature and high-pressure test is conducted is solved.

According to the puncture-proof air-pressure-balanced and closed leakage-proof medicine dispensing and pipetting assembly, a medicine dispensing and pipetting device is provided with a double-chamber injection part and a medicine dispensing needle part, and during medicine dispensing, the medicine dispensing needle part is communicated with a medical container or a connector through a pipetting communicating vessel; the first syringe can be used for extracting or injecting liquid medicine into a medical container or a connector through the injection needle seat and the first needle tube, and the second syringe can be used for supplementing or exhausting gas into the medical container or the connector through the injection needle seat and the second needle tube, so that the air pressure in the container or the connector is balanced; meanwhile, the needle point parts of the first needle tube and the second needle tube only penetrate out of a container or a connector during dispensing, and the remaining parts are wrapped in the needle head sealing part, so that liquid medicine of the dispensing needle is prevented from leaking, and in various conditions, the needle points of the first needle tube and the second needle tube are both located in the butt-joint outer sleeve, so that the safety of the dispensing needle is improved. Therefore, the puncture injury caused by the needle tip is avoided.

The utility model discloses a gramineous plant inoculation device, and belongs to the technical field of plant inoculation devices. The gramineous plant inoculation device comprises a medicine preparation barrel, an inoculation barrel and a plurality of groups of supporting frames, wherein the medicine preparation barrel is connected with the inoculation barrel through a pipeline; and the support frame is arranged on the outer side of the inoculation barrel. The gramineous plant inoculation device provided by the utility model has the advantages that the field inoculation efficiency and the success rate can be improved; the device can guarantee the survival rate of germ spores, is simple and light, is high in operability, can avoid puncture inoculation, and does not damage the growth of young ears of hosts.

The utility model provides a hemodialysis puncture needle, which relates to the technical field of hemodialysis puncture needles, and comprises a steel needle tube, a needle seat is fixedly sleeved on the steel needle tube, one end of the steel needle tube is fixedly connected with a hose, the steel needle tube is communicated with the hose, the hose is in threaded connection with a joint, and the joint is connected with the steel needle tube. Two wing plates are fixedly connected to the needle seat, the wing plates are made of soft plastic, a protection structure is arranged on the needle seat and mainly comprises a protection sleeve, the protection sleeve is slidably inserted into the needle seat, a sliding groove is formed in the needle seat, a sliding rod is slidably connected into the sliding groove, and the protection sleeve is connected with the sliding rod. The sliding rod is fixedly connected with the protective sleeve, the needle seat is fixedly connected with a fixing block, the fixing block is rotationally connected with a rotating rod, and the problem that due to the fact that the pointed end of a steel needle tube is very sharp, the steel needle tube is not protected after being used, and workers are prone to being stabbed is solved.

The utility model discloses an ultrasonic developing puncture needle with high ultrasonic reflectivity, which comprises a needle core, a needle sheath and a needle sleeve which are matched with each other, the needle core is movably arranged in the needle sheath in a penetrating manner, the needle sleeve is detachably arranged on the needle sheath, a plurality of needle core stabilizing rings are arranged in the needle sheath at intervals, and a plurality of sections of reflecting parts are arranged on the outer side wall of the needle core stabilizing rings. And a plurality of reinforcing and stabilizing rings are arranged in the needle sleeve at intervals. According to the utility model, the ultrasonic developing effect is improved, so that the accuracy of the puncture process is improved; the puncture needle can be effectively protected by the needle sleeve, and dust and water are prevented from falling on the needle sheath; a plurality of ventilation channels are arranged at the bottom of the needle sleeve, the needle sleeve is installed on the needle sheath, ventilation inside and outside the needle sleeve can be guaranteed, dust removal and moisture absorption cotton is filled in the ventilation channels, dust and moisture in air can be removed, ventilation can guarantee dryness of the whole puncture needle, and compared with a completely-sealed puncture needle, the ventilation design is simple in structure, low in cost and good in drying effect. And the puncture needle can be preserved in an external environment for a long time.

The utility model discloses an expansion tube adjusting device for PFO plugging. The expansion tube adjusting device comprises an expansion tube and a telescopic adjuster. The rear end of the expansion tube is arranged in the telescopic regulator in a movable and lockable mode, and the telescopic regulator is used for driving the expansion tube to move forwards to extend out of the front end of the sheathing canal and move backwards to extend into the sheathing canal. By means of the expansion tube adjusting device for PFO plugging, the defect that an operation can only be completed by means of experience and skills of doctors in the prior art is overcome, by means of the telescopic adjuster, the front end of the guide wire can be quickly and accurately found, the purpose of going from the right atrium to the left atrium is smoothly achieved, the difficulty of the doctors in completing the operation is reduced, and meanwhile the accuracy of the operation is remarkably improved.

The present invention discloses a syringe needle terminal processing device, comprising: a shell, a supporting component, a stripping component and a cutting component; wherein the shell is used for the installation of the supporting component, the stripping component and the cutting component, a syringe placement port is provided on one side of the shell, an ampoule placement port is provided on the other side of the shell, and a sharps box is fixedly connected to the bottom of the inner wall of the shell. The present invention realizes a syringe needle terminal processing device through the mutual cooperation between the shell, the supporting component, the stripping component and the cutting component. The used syringe with the needle is inserted into the interior of the device, the needle can be unloaded, and the unloaded needles are collected in a centralized manner, which can effectively prevent the staff from being stabbed by the needle, thereby effectively blocking the occurrence of infection, and the glass ampoule can be cut, thereby improving the work efficiency of medical staff, and having practicality.

The utility model discloses a pumpkin peeling device, which relates to the technical field of pumpkin processing and comprises a bottom plate, a positioning component and an adjusting component, a support column is fixedly mounted on the left side of the top of the bottom plate, a gear motor is mounted at the bottom of the left side of the support column, and the adjusting component is arranged in a mounting groove. When a pumpkin is fixed, the pumpkin is placed at the top of the protective cover, the bottom of the pumpkin is preliminarily fixed through the fixing cone, then the gear motor drives the rotating rod and the driving gear to rotate clockwise, and then the driven gear and the bidirectional lead screw are driven to rotate clockwise; according to the pumpkin peeling device, the movable plate is driven to move towards the inner side at the same time, then the positioning assembly is driven to move, then the top and the bottom of a pumpkin are fixed through two fixing cones, compared with the prior art, the fixing effect of the fixing mode is better, the pumpkin cannot move when the pumpkin is peeled subsequently, and the pumpkin peeling efficiency is improved. And the pumpkin peeling efficiency is further improved.

The present invention discloses an anti-puncture scalp needle, comprising an outer sleeve, a steel needle assembly and an adjusting piece. An installation channel is provided inside the outer sleeve, and two ends of the installation channel respectively penetrate to the two ends of the outer sleeve. A wing is provided on one side of the outer sleeve. The steel needle assembly is arranged in the installation channel and can be moved along the length direction of the outer sleeve. The steel needle assembly can be adjusted between a first position and a second position. When the steel needle assembly is in the first position, the front end of the steel needle assembly is received in the installation channel. When the steel needle assembly is in the second position, the front end of the steel needle assembly extends out from the front end of the outer sleeve. The adjusting piece is arranged at the rear end of the outer sleeve, and is used to drive the steel needle assembly to switch between the first position and the second position. A locking mechanism is also provided on the needle wing, which is used to lock the steel needle assembly in the first position after use. The present invention has the advantages of simple structure, convenient use, strong practicality and high safety.

The utility model is suitable for the technical field of animal husbandry instruments, and provides a puncture device for treating bovine ovary follicular cyst, which comprises a puncture needle for treating bovine ovary follicular cyst, the detachable catheter is assembled at the tail end of the puncture needle; the connecting plug is fixedly communicated with the conduit; and the injector is arranged on the catheter and is used for extracting follicular fluid. The puncture device for treating ovarian follicular cyst of cattle has the effects of conveniently performing puncture treatment on cattle, replacing drug treatment, saving cost, preventing ovarian fluid from leaking into the abdominal cavity as much as possible and avoiding peritonitis.

The utility model belongs to the field of collecting devices, and particularly relates to an anesthesia waste collecting device. The device comprises a box body with a box door on the front side, a through hole communicated with the inside and the outside is formed in the top of the box body, an installation basket communicated with the through hole is fixed to the top of the box body, a through hole communicated with the inside and the outside is formed in the top of the installation basket, and a grinding stone capable of freely rotating is horizontally installed in the installation basket through a rotating shaft. A rotating piece connected with the rotating shaft to drive the millstone to rotate is installed on the installation basket, a supporting plate aligned with the millstone in parallel is horizontally fixed in the installation basket, a pressing plate used for bending a needle rod is arranged between the millstone and the supporting plate, the pressing plate is hinged to the supporting plate, and a driving assembly used for driving the pressing plate to swing is arranged between the installation basket and the pressing plate. A plurality of clamping grooves are formed in the side wall of the mounting basket, and a collecting assembly used for collecting needles and other waste in a classified mode is arranged on the box body. Needles and other anesthesia wastes can be collected separately, and tips of the needles are sharpened.

The utility model belongs to the technical field of medical instruments, and particularly relates to a positioning sleeve. During treatment of nipple discharge, a focus in a breast duct needs to be positioned, and then surgical treatment is performed on the focus. However, no special medical instrument for positioning the focus in the breast duct exists clinically at present. The utility model provides a positioning sleeve for positioning a focus in a breast duct, which comprises a mounting seat, the mounting seat comprises a front section, a middle section and a rear section, a channel penetrating through the front section, the middle section and the rear section is arranged in the mounting seat, and a positioning hose is mounted at the front end of the mounting seat; an opening in the rear section of the mounting seat can be used for inserting a standard injector, the rear section of the mounting seat is connected with a first screw cap or a second screw cap, the first screw cap is provided with a supporting core used for supporting a positioning hose, handles are arranged on the two sides of the middle section of the mounting seat, and the handles can rotate by 180 degrees and can play a role in protecting the positioning hose after being folded; and the sleeve can also be fixed and positioned in an auxiliary manner.

The utility model discloses an anti-extubation restraining glove, which relates to the technical field of medical supplies, and comprises an outer shield, the outer shield comprises an upper outer cover and a lower outer cover, an inner buffer sleeve is arranged in the outer shield, the inner buffer sleeve comprises an upper buffer pad and a lower buffer pad, and the upper buffer pad and the lower buffer pad are arranged in the outer shield. The upper outer cover is connected with the upper buffer cushion in a sewing manner, and the lower outer cover is connected with the lower buffer cushion in a sewing manner; the supporting structure is arranged between the outer protective cover and the inner buffering sleeve, and the supporting structure is used for changing the size of the distance between the upper buffering cushion and the lower buffering cushion; the driving structure is used for driving the supporting structure to act; and the hard plate can be detached. By arranging the driving structure and the supporting structure, the driving structure extrudes the supporting structure, the distance between the upper buffering cushion and the lower buffering cushion is increased, and friction and collision between an intubation tube on the hand back of a patient and an inner buffering sleeve are avoided.

The garden saw comprises a box shell, a sawtooth assembly is arranged in the box shell, the sawtooth assembly comprises a mounting shaft, the mounting shaft is sleeved with a plurality of clamping blocks, sawtooth pieces are integrally formed at the bottom ends of the clamping blocks, one end of the mounting shaft is in threaded connection with a fixing nut, and the fixing nut is in threaded connection with one end of the mounting shaft. The fixing nut is in contact with the clamping block; a handle is installed at one end of the box shell through bolts, a cover plate is installed at the other end of the box shell through bolts, three grooves are formed in the bottom of the inner wall of the box shell, sawtooth pieces are slidably inserted into the grooves, and three spring telescopic cylinders are installed at the top of the inner wall of the box shell through bolts. According to the saw blade structure of the garden saw, the sawtooth structures formed by the clamping blocks and the sawtooth pieces are spliced together through the installation shaft, when the saw blade structure of the garden saw is damaged, the fixing nuts can be screwed off, the clamping blocks with the damaged sawtooth pieces are taken down, the good sawtooth pieces are replaced, a new saw blade structure is formed again, and waste of resources is reduced.

The invention relates to the field of pole welding equipment. The present invention comprises walking wheels at the bottom of a base, a column on the base, a left welding gun swing device at the left end of the column, the left welding gun swing device is installed on the left end of the column by a left welding gun swing seat, a left rotating shaft is installed above the left welding gun swing seat, a left swinging plate is installed above the left rotating shaft, a left sliding block is installed above the left swinging plate, a left guide rail crosses the left sliding block and is installed on the left welding gun clamping plate, the left welding gun is fixed on the left welding gun clamping plate by two left insulating blocks, a right welding gun swing device is installed at the right end of the column, a plate is installed on the top of the column, an automatic lifting welding gun protective mask is installed at the front end of the plate, the left welding gun adjusts the width and effect of the welding seam through the swing amplitude and the swing speed of the left welding gun swing device during the welding process, and the automatic lifting welding gun protective mask will drop during welding to block the strong light of sparks during welding, thereby protecting the operator's eyes and preventing sparks from splashing.

The anti-needling protection device comprises a limiting cylinder and a guide cylinder, the front end of the guide cylinder is provided with an opening, and the guide cylinder is correspondingly fixed to a penetrating hole in the rear end of the limiting cylinder; a front end via hole is fixedly formed in the front end of the limiting cylinder; a rear end via hole is formed in the rear end of the guide cylinder; a limiting part is arranged at the front end of the puncture needle; the inner diameter of the front-end via hole is greater than the outer diameter of the limiting part; the inner diameter of the rear-end via hole is larger than the outer diameter of the puncture needle and smaller than the outer diameter of the limiting part; a one-way blocking piece is arranged in the limiting cylinder and comprises a sliding base and an elastic mechanism, and a check block pointing to the puncture needle is fixed to the lower side of the sliding base. When puncture succeeds and the needle tube retreats to the position of the anti-acupuncture protection device, the needle head is limited in the anti-acupuncture protection device, safety of medical staff and patients is guaranteed, meanwhile, in the follow-up medical waste treatment process, the needle point can be prevented from stabbing workers, and the risk that the medical staff are infected with blood spread diseases is reduced.

This invention provides an anti-static endoscope camera system host, relating to the field of endoscope technology. It includes a housing with four terminals mounted on its side wall. The side wall of the housing has a grounding structure, which includes a conductive frame, a conductive component for conducting static electricity, a discharge block for discharging static electricity, and a protective component for shielding the discharge block. The conductive frame is electrically connected to the housing and is made of copper. The inner wall of the conductive frame has a conductive component, which includes a retaining plate slidably connected to the inner wall of the conductive frame. The retaining plate is also made of copper. This invention, by setting a grounding structure, can promptly conduct static electricity generated on the housing to the ground, thereby minimizing the accumulation of static electricity on the housing and preventing damage to electronic components inside the housing. This extends the service life of the host and, to a certain extent, eliminates safety hazards.

The invention discloses a detachable externally-wearable medical teaching model, which comprises a wearing clothes main body, an outer layer is arranged outside the wearing clothes main body, an opening of the wearing clothes main body is connected through a zipper mechanism, sleeve bodies are arranged on two sides of the wearing clothes main body, a plurality of filling sheets are arranged in the wearing clothes main body, and the filling sheets are connected with the outer layer through a zipper mechanism. A thoracic cavity groove, simulated ribs and simulated blood vessels are arranged in the wearing clothes body, two pockets are arranged on the outer side of the wearing clothes body, an air bag and a blood bag are correspondingly installed in the pockets, and the air bag and the blood bag are connected with the thoracic cavity groove through a first connecting pipe and a second connecting pipe respectively. The wearable garment body can be worn on a real person, skin tissue, ribs, intercostal spaces and other tissues have high simulation performance, the anatomical structure and the anatomical position are close to those of a normal human body, and the puncture feeling is close to that of the real human body.

The utility model discloses a counting type insulin needle recycling device which comprises a shell, the interior of the shell is a cavity, a partition plate is arranged in the shell and divides the interior of the shell into a storage chamber and a recycling chamber, drawers capable of being pulled out are evenly distributed on one side of the storage chamber in the height direction of the shell, and the recycling chamber is communicated with the storage chamber. A plurality of fixing plugs used for containing insulin needles are arranged at the bottom of the drawer, a round hole is formed in the upper end of the recycling chamber, a supporting plate is arranged below the round hole and located in the recycling chamber, first electric push rods are symmetrically arranged on the two sides of the round hole, and the telescopic ends of the first electric push rods are connected with L-shaped plates; according to the counting type insulin needle recycling device, used insulin needles can be collected, the number of the used insulin needles can be checked at any time, the insulin needles are prevented from being lost, and the use safety and convenience are improved.

The utility model relates to carbon block clamping device technical field, concretely is a kind of anode carbon block clamping device, including the first clamping arm and second clamping arm for clamping anode carbon block, the bottom end inboard of first clamping arm and second clamping arm are all fixedly connected with clamping plate;Multiple connecting holes are equipped on clamping plate, bolt is connected in connecting hole;Bolt includes bolt head and screw rod, bolt head is located the inboard of clamping plate and end portion protrudes connecting hole, the inboard of bolt head is equipped with antiskid boss;Screw rod protrudes to the outside of clamping plate and is connected with nut;By setting bolt, and setting antiskid boss on bolt head to replace antiskid nail, that is, increase the friction area with anode carbon block, increase friction force, also avoid antiskid nail to stab anode carbon block, avoid carbon block damage to affect process production and carbon block consumption.

The utility model provides a midwifery membrane rupture needle, which relates to the technical field of medical auxiliary instruments and comprises a membrane rupture needle, a pneumatic telescopic rod is mounted in the membrane rupture needle, a clamping groove is mounted at one end of the pneumatic telescopic rod, a mounting column is mounted at one end of the clamping groove, and a clamping column is mounted at one end of the mounting column. A needle head is mounted at the other end of the mounting column, a plurality of mounting grooves are formed in the outer side of the clamping column, springs are mounted in the mounting grooves, and limiting balls are mounted at the tops of the springs. The clamping column is installed in the clamping groove, the limiting ball moves on the inner side of the sliding groove through the elasticity of the spring, and when the limiting ball slides to a certain position, the limiting ball penetrates through the limiting hole, so that limiting is facilitated, and the installation stability and reliability of the installation column and the clamping groove are guaranteed; when the needle head is damaged, the whole membrane rupturing needle does not need to be replaced, and only the needle head needs to be replaced, so that the medical cost is reduced.

The utility model belongs to the technical field of manufacturing of equipment special for textile processing, and particularly relates to a sewing needle booster which comprises a finger ring, a push rod and a push rod. The ejector pin block is installed on the installation part, a plurality of ejector pin grooves used for containing pin tails are formed in the upper surface of the ejector pin block, and a threaded through hole is formed in the side face of the ejector pin block; and the threading device is in threaded connection with the interior of the threaded through hole. The suture needle booster is worn on the finger of a worker through the finger ring, the upper portion of the finger ring is connected with the ejector pin block through the installation part, the ejector pin groove is formed in the surface of the ejector pin block, and during suture, the ejector pin block is used for ejecting the tail of a curved needle, and the curved needle ejector pin is pushed out to penetrate through wrapping cloth for suture; by means of the suture needle booster, the needle tail can be prevented from being in direct contact with finger skin, and therefore fingers are prevented from being stabbed when the needle tail is used for a long time.

The present invention provides a needle structure and a syringe having the same, wherein the needle structure comprises: a mounting seat, on which a mounting cavity and a first connecting portion are provided, and the mounting seat is detachably connected to a second connecting portion of a housing of the syringe through the first connecting portion; a liquid core, which is used to mount the needle and is inserted into the mounting cavity; a liquid-proof member, which is provided between the inner wall of the mounting cavity and the outer wall of the liquid core, so as to seal the mounting seat and the liquid core through the liquid-proof member; wherein the liquid-proof member cooperates with the liquid core in a limiting manner, so as to position the liquid core on the mounting seat through the liquid-proof member, and the liquid core is separated from the liquid-proof member and the mounting seat under the action of an external force so as to retract the needle into the housing. The needle structure solves the problem that the needle of the syringe in the prior art is exposed and easily stabs the staff.

The utility model relates to the technical field of medical instruments, in particular to a needle tube retraction type venous blood sampling indwelling needle which comprises a guide cylinder, a catheter seat and a catheter, the guide cylinder is communicated with one end of the catheter seat, the other end of the catheter seat is communicated with the catheter, the needle tube retraction type venous blood sampling indwelling needle is characterized by further comprising a sliding sleeve and a puncture steel needle, and the puncture steel needle is connected with the sliding sleeve. The sliding sleeve is connected with the guide cylinder in a sleeved mode, and the puncture steel needle slides in the guide cylinder, the catheter base and the catheter. A guide hole is formed in the guide cylinder, and the sliding sleeve can slide along the guide hole; a clamping groove is formed in one end of the guide cylinder, and an elastic piece matched with the clamping groove is arranged on the inner side of the sliding sleeve. And a sterile application is arranged on the catheter seat. After blood sampling is finished, the puncture steel needle retracts, so that the needle head is prevented from being exposed outside, and puncture injury is avoided; the sterile application arranged on the catheter is used for being attached to the skin of a patient, fixation during blood sampling is facilitated, a needle head is prevented from shifting and falling off, and meanwhile the situation that blood vessels of the patient are punctured and punctured is prevented; the needle head end of the puncture steel needle is slightly thick, so that drainage during blood sampling is facilitated, and the problems of pseudohemolysis and high blood potassium content caused by blood sampling are avoided; after blood sampling is finished, intravenous infusion treatment can be carried out.

The utility model relates to the technical field of needle collectors, in particular to a temporary needle collector which comprises a box body, a plurality of inserting holes are formed in the upper end, the front end, the rear end, the left end and the right end of the box body, a notch is formed in the box body and communicated with the inserting holes, two needle pieces are movably connected to the upper end of the box body in a penetrating mode, and the needle pieces are connected with the box body in a penetrating mode. The lower end of the box body is fixedly connected with an anti-skid pad, a round hole is formed in the middle of the lower end of the anti-skid pad, and the middle of the lower end of the box body is fixedly connected with a magnet. According to the temporary needle head collector, needle heads can be collected, and accidental injury caused by discarding of the needle heads is avoided.

The application discloses an insulin injection pen, comprising: a pen body, one end of the pen body being provided with a mounting portion; a needle seat, one end of the needle seat, which is away from the pen body, being provided with a needle, the other end of the needle seat being provided with a mounting cavity which is suitable for detachable cooperation with the mounting portion; and a protective cap, the protective cap being provided with a avoiding opening which is suitable for the needle to pass through, the protective cap being sleeved on the needle seat, the protective cap being in sliding cooperation with the needle seat, the protective cap being movable along the axial direction of the needle seat between a needle exposing position and a protective position, in the needle exposing position, the needle passes through the avoiding opening and extends out of the protective cap, in the protective position, the needle is located in the protective cap. The application also relates to a method for using the insulin injection pen. According to the insulin injection pen, after the insulin injection pen completes injection, the needle can be prevented from pricking, the pen cap does not need to be sleeved, the clinical nursing requirement and nursing regulation can be met, and the use safety of the insulin injection pen can be ensured.