32results about How to "Avoid Accidental Stabs" patented technology

A safety syringe needle comprises a needle, a needle holder, a needle protective cover, a spring, and a locking-releasing structure, wherein the needle protective cover, which is sleeved on the needle holder before and during injection, is moved to the needle after injection and protects the needle, the spring disposed between the needle holder and the needle protective cover is used for driving the needle protective cover to move from the needle holder to the needle after injection, and the locking-releasing structure disposed between the needle holder and the needle protective cover is used for locking the needle protective cover at the needle holder before and during injection and releasing the needle protective cover after injection. When located at the needle holder, the needle protective cover compresses the spring on the needle holder; and when the needle protective cover is located at the needle, the spring is released. The safety syringe needle prevents medical staff from being accidentally punched by the needle during use, prevents reusing of a syringe / needle, and has the advantages of disposability, safety, sanitation, convenience in use, and easiness in recycling.

The invention discloses a pin head protective device and a safety pin assembly using the same. The pin head protective device and the safety pin assembly is simple structure, low in cost, capable of preventing that accidental puncture occurs when in use and after being used, and capable of preventing a pin head from being reused after being used. The pin head protective device comprises a neck ring and a sliding sleeve. The neck ring is capable of being sleeved on a pin seat in a fixed mode, and the sliding sleeve is in a drum shape and comprises an upper portion (22) and a lower portion (23) and can be sleeved on the neck ring and slide between a retraction position and a protruding position along the outer surface of a boss. The outer surface of the neck ring (1) and the inner surface of the lower end portion (23) of the sliding sleeve (2) are respectively provided with a lock mechanism, the lock mechanisms are matched with each other, and when being in the protruding position, the sliding sleeve (2) can be locked on the neck ring (1) in an inseparable mode.

The invention relates to an automatic retracted disposable safety syringe, which is formed by combining a plurality of components such as a needle point, a needle stand, a sleeve, a plunger, a telescopic spring and a jacket, wherein the injection needle point is combined with the needle stand; the spring is sleeved outside a cylinder at the front end of a needle stand body; the needle stand body and the spring are positioned at the front end of an inner cavity of the sleeve through an annular flange on the inner wall of the sleeve; the tail of the needle stand body is provided with a pointed cone of which the bottom is convexly provided with an outer ring of a platform; and the middle of the platform is provided with an annular thin wall. The annular thin wall of the needle stand is broken into two parts after the syringe injects predetermined dosage through elaborative design, and a needle tube is automatically retracted into the sleeve in virtue of the elasticity of the spring.

The invention discloses a sliding bush type needle head protection device and a safety syringe using the same. The sliding bush type needle head protection device is simple in structure and low in cost and is capable of preventing accidental thorn damage during use and after use and preventing a used needle head from being repeatedly used. The needle head protection device comprises a neck ring and a sliding bush, wherein the neck ring fixedly sleeves a needle base, is barrel-shaped, is provided with an upper end part (22) and a lower end part (2), can sleeve the neck ring and can slide between a retraction position and an stretching position along the external surface of a boss; the external surface of the neck ring (1) and the internal surface of the lower end part (23) of the sliding bush (2) are respectively provided with latching mechanisms which are matched with each other; when in the stretching position, the sliding bush (2) can be inseparably latched to the neck ring (1).

The invention discloses a needle recovery device, a needle holding assembly and a recovery pipe assembly. The needle holding assembly and the recovery pipe assembly are used for recovering needles. The needle holding assembly comprises a connector, a needle holder cylinder, a connector seat, a first separation component and clamping components formed on the connector. The recovery pipe assembly comprises an external recovery pipe, an internal recovery pipe, a compressed spring, a sliding part, a piston rod component and clamping components formed on the piston rod component. According to the needle recovery device, the needle holding assembly and the recovery pipe assembly, when the recovery pipe assembly gets close to the connector in the needle holder cylinder, a pair of clamping components fixes the connector and the piston rod component together, and then the first separation component separates the piston rod component from the internal recovery pipe; as a result, the compressed spring is released, and under the action of tensile force of the compressed spring, the piston rod component with the connector where a needle is fixed is recovered into the internal recovery pipe; and accordingly, accidental stabbing caused by the needle is prevented.

The invention relates to a safety self-destructive intravenous infusion needle. A self-destructive mandrel and a needle seat are integrally formed, one end of the self-destructive mandrel connected with the needle seat is a small end axially facing the needle seat, and the other end is a large conical end. The cavity of a protection pipe is provided with a self-destructive mandrel positioning shrinkage hole corresponding to one end of an infusion end of the self-destructive mandrel, a limit step is formed at the junction of the self-destructive mandrel positioning shrinkage hole and the cavity of the protection pipe, the needle seat is provided with a positioning shaft section sliding into the self-destructive mandrel positioning shrinkage hole, and the outer diameter and the axial length of the positioning shaft section are matched with the self-destructive mandrel positioning shrinkage hole. One end face of the positioning shaft section is a breakage end face connected with the conical end of the self-destructive mandrel, an annular cut with the triangular section is formed between the breakage end face and the self-destructive mandrel through the conical end, the other end of the positioning shaft section is provided with an annular limit projection, and the annular limit projection can slide into the cavity of the protection pipe to be in limit match with the limit step. The safety self-destructive intravenous infusion needle has the advantages of simple structure, convenience in machining, good operational continuity, safety and reliability.

A fluid administration medical apparatus (110) comprising: a catheter tube (114); a hub (212) having a distal section (234) and a proximal section (36), wherein the distal section (234) is joined to the catheter tube (114) and the proximal section (136) defines a housing (124); one or more ports (158) connected to the hub (212) by a fluid passage (262) through a passageway (272); a needle (220) extending through the hub (212) and the catheter tube (114) and defining an axial direction (X), wherein the needle (220) has opposite proximal and distal ends (22, 24), the distal end (122) forming a needle tip (130); a needle hub (116) attached to the proximal end (124) of 5 the needle (220); a needle guard (226) slidably arranged on the needle (20), wherein the needle guard (226) is movably retained in the housing (248) of the hub (212) when the needle (220) extends through the hub (212) and the catheter tube (114), wherein the needle guard (226) is removable from the hub (212) once the needle tip (130) is received in the needle guard (226) upon withdrawal of the needle (220) from the catheter tube (114); and wherein the hub (212) is made of two parts i.e. first part (212b) and second part (212a) each of the parts (212a, 212b) having a distal end section (150) and a proximal end section (152).

The invention provides a safety syringe with a retractable injection needle, which belongs to the technical field of medical devices. It solves the problems of unreasonable design, difficulty in realizing automatic assembly and high production cost of the existing safety syringe with retractable injection needle. The safety syringe that can pull back the injection needle includes the injection barrel and the injection rod arranged in the injection barrel. The front end of the injection rod is covered with a rubber stopper, and the front end of the injection barrel is equipped with a needle seat. The center of the needle seat has a There is a positioning structure between the syringe and the needle holder to prevent the needle holder from moving axially forward, and a limit ring is provided in the injection cylinder to prevent the needle holder from moving axially backward. The front end of the injection rod can pass through the Through the limiting ring and connected with the needle seat, the limiting ring is fixedly connected with the inner wall of the injection barrel through a breakable structure. The safety syringe which can pull back the injection needle can realize the axial positioning of the needle seat, is easy to assemble, and has high working stability.

The invention discloses an indwelling needle with blood blocking and needling preventing functions. The indwelling needle comprises a catheter seat and a steel needle seat connected to the catheter seat, wherein a steel needle is fixed onto the steel needle seat; a valve core pipe and a plastic valve plate are arranged in the catheter seat, a pipe cavity of the valve core pipe communicates with a liquid inlet flow channel in the catheter seat to form a liquid channel; one end of the valve core pipe is sealed by the plastic valve plate, so that the liquid channel is sealed; at least one of the valve core pipe and the plastic valve plate is arranged in the catheter seat in a sliding manner; when the valve core pipe and the plastic valve plate move relatively, the valve core pipe punctures the plastic valve plate and enables the liquid channel to be in conduction; and a cavity is formed between the catheter seat and the steel needle seat, a sliding lock is arranged in the cavity and arranged on the steel needle in a sliding mode, and an elastic piece is further arranged in the sliding lock. The indwelling needle is simple in structure and convenient and practical in clinical operation and has the functions of blocking blood and preventing needling, and accidental puncture of a needle point is avoided while blood-derived pollution is avoided.

The invention provides a drawing frame for architectural design, and relates to the technical field of architectural design. The drawing frame for architectural design comprises a drawing board; a base mechanism connected with the drawing board; a sliding rail mechanism connected with the drawing board; and a positioning needle mechanism which is connected with the sliding rail mechanism, whereinthe using position of the positioning needle mechanism is adjusted through the sliding rail mechanism. The drawing frame for architectural design has the advantage that the burden of drawing personnelis reduced.

The invention provides an infusion needle package structure. Each infusion needle comprises a puncture needle and an infusion tube which are connected with each other, and the puncture needle of the infusion needle is not sleeved with a needle cap. The package structure comprises package bodies, the peripheral sides of each package body are arranged in a sealed mode, the middle of each package body is provided with a hollow portion for containing one infusion needle, the shape of the hollow portions is matched with that of the infusion needles, the side, far away from the front end of the corresponding puncture needle, of each package body is provided with a tear zone, and the package bodies are made of paper plates. Compared with the prior art, the infusion needle package structure has the advantages that when the infusion needles are used, the infusion needles can be taken out for use by tearing the package bodies along the tear zones, and therefore the structure and convenient and rapid to use. Due to the fact that the needle caps arranging on the puncture needles in a sleeving mode are omitted, the condition that medical care personnel are accidentally punctured when the needle caps are pulled out can be effectively avoided; in addition, the infusion needles can be contained in the hollow portions of the package bodies, the peripheral sides of the package bodies are arranged in the sealed mode, and therefore the infusion needles can be prevented from being contaminated. The package bodies are made of the environment-friendly and degradable paper plate material, and therefore the environment cannot be polluted.

A needle protection device with a slideable sleeve (2) and a safety syringe using the needle protection device, which are simple in structure and low in costs and can prevent occurrence of accidental sticks of a needle tube (6) upon use and after use and can prevent the needle from reuse after use. The needle protection device comprises a collar (1) and a slideable sleeve (2). The collar (1) can be sleeved on the needle seat (8) in a fixed manner. The slideable sleeve (2) is in a cylindrical shape, has an upper end portion (22) and a lower end portion (23), and can be sleeved on the collar (1) and slide between a retracted position and an extended position along an outer surface of a boss (12), wherein an outer surface of the collar (1) and an inner surface of the lower end portion (23) of the slideable sleeve (2) are respectively formed with mutually matching locking mechanisms. When the slideable sleeve (2) is at the extended position, it can be locked on the collar (1) in an inseparable manner.

A retracting needle head device includes a needle base, a needle tube, a needle sleeve, and a protection body; a needle base body is of a dual- trident connection structure; the needle sleeve sleeves a front end of the needle base; the inner part of the front end of the needle base is bonded with the needle tube through an adhesive; an internal connector is arranged in a back end of the needle base; the needle base is snapped in a cavity of the protection body; the center of the needle base body is fixed on one ends of four elastic strips, and the other ends of the four elastic strips extend toward two ends of the needle base, and in the extension direction, a distance from the elastic strips and the needle base is increasing gradually. The invention also discloses a retracting blood taking needle and a retracting infusion needle prepared from the retracting needle head device. The positive effects of the invention are that the elastic strips arranged on the needle base can match a contact point of the protection body, and after the elastic strips are released, the needle base can automatically eject, the tail of the needle base is pulled slowly till the front end of the needle base is snapped, the needle tube enters the protection body with the needle base, and then accidental needle-stick injuries can be prevented, and medical workers can be protected.

The invention discloses a sample analyzer and its emergency detection process. The sample analyzer includes: an automatic sampling component with an automatic sampling path for automatically transporting a test tube to a sampling position along the X direction; a manual sampling component with an automatic sampling path along the X direction The emergency sample injection path that transports the emergency test tube from the external manual placement position to the transfer position in the X direction; the transfer component has a transfer path that transports the test tube between the sample position and the sampling position along the Y direction; the first mixing component includes The clamping mechanism transfers the test tube at the sampling position and / or the transfer position to the transfer component; the sampling component includes a sampling needle, and the sampling needle samples the test tube at the sampling position; and a plurality of detection components, the sampling needle moves along the X direction The movement of the sample distribution path distributes the collected samples to the multiple detection components; wherein, the sampling position, the transfer position and the sample setting position are all located below the clamping mechanism, and the user can start the emergency detection mode at any time for further testing. Emergency test tube testing without waiting.

The invention provides a safety syringe capable of pulling back a syringe needle, belonging to the technical field of medical apparatus and solving the problems that the existing safety syringe capable of pulling back a syringe needle has unreasonable design, is hard to realize automatic assembling and has higher production cost. The safety syringe capable of pulling back a syringe needle comprises a syringe barrel and a syringe rod arranged in the syringe barrel; the front end of the syringe rod is sleeved with a rubber stopper; the front end of the syringe barrel is provided with a needle head seat; the center of the needle head is provided with a liquid through hole; a positioning structure which can prevent the axial forward movement of the needle head seat; the syringe barrel is internally provided with a limiting ring used for preventing the axial backward movement of the needle head seat; the front end of the syringe rod can penetrate through the limiting ring and is connected with the needle head seat; and the limiting ring is fixedly connected with the inner wall of the syringe barrel by an easy fracture structure. The safety syringe capable of pulling back a syringe needle can realize axial positioning of the needle head seat, and has easy assembling and high working stability.

The invention discloses high-safety household scissors. The high-safety household scissors comprise a first scissor blade and a second scissor blade, the first scissor blade and the second scissor blade are hinged through a hinge, a second embedding convex head is arranged in the middle of one side of a second handle sheath, a first embedding convex head is arranged below a first handle sheath, and embedding grooves are formed in the inner sides of one ends of a first fixing belt and a second fixing belt. According to the scissors, arc-shaped structures are arranged at the top ends of the first scissor blade and the second scissor blade, moreover, cutting edges are arranged to be inclined flat blades so that the accidental puncturing wound can be prevented, moreover, the first fixing beltand the second fixing belt are arranged on the first handle sheath and the second handle sheath respectively, a protective sheath is installed to be used in cooperation with the fixing belts and the handle sheaths, the embedding heads are installed on the two sides of the protective sheath, the scissors can be wrapped by the protective sheath, so that the protection capability to the scissors is greatly improved, and the safety is improved.

The invention provides a closed ampoule breaking device. The device comprises a ampoule accommodation pipe, a telescopic pipe and a rubber cap; the lower end of the ampoule accommodation pipe is sealed, and an opening is formed in the upper end of the ampoule; the telescopic pipe is hollow through and combined at the upper end of the ampoule accommodation groove; the telescopic pipe can be stretched and retracted upwards in the length direction of the telescopic pipe and can be bent in the lateral direction of the telescopic pipe; an opening is formed in the lower end of the rubber cap, and the upper end of the rubber cap is sealed; the lower end of the rubber cap is combined at the upper end of the telescopic pipe; the lower part of a to-be-broken ampoule is accommodated in the ampoule accommodation pipe, and the upper part of the to-be-broken ampoule is accommodated in the rubber cap; the rubber cap is provided with a knife for cutting the to-be-broken ampoule.

The invention discloses a sample analyzer and a manual sample injection method thereof. The sample analyzer comprises: an automatic sample introduction component, which automatically transports a tube to be tested to a grasping position along the automatic sample introduction path in the X direction; the manual sample introduction component , including the priority sample holder. The priority sample holder includes two test tube holes. When in the storage state, the center line of the two test tube holes extends along the X direction; in the open state, the center of the two test tube holes is connected. The line extends along the Y direction; the sample setting seat moves between the exposed position and the transfer position along the manual injection path, the exposed position is outside the casing, and the transfer position is above the grab position; when the automatic sample injection module is working, the sample setting is given priority. The seat is in the storage state; when the manual injection assembly is working, the priority sample seat is switched to the open state and moves along the manual injection path, and the manually placed test tube is received in the exposed position and transported to the transfer position. The user can start the manual operation at any time. The injection component is used for emergency injection to avoid contamination of emergency samples.

The invention provides a safety-protection infusion apparatus. The safety-protection infusion apparatus is characterized in that an air sterilizer is arranged on an air tube and can sterilize bacteria and viruses in outside air; a diaphragm net capable of forming a water surface tension is arranged in a dropper, and can automatically stop flowing of a medicine liquid after infusion is completed so as to avoid situations that air enters the vein and the blood returns; a dripping speed warning device is arranged outside the dropper, can automatically calculate the dripping speed, and can give an alarm when the dripping speed exceeds a preset upper limit and a preset lower limit; a dripping speed regulator has a locking function to avoid the potential safety hazard caused by dripping speed regulation without permission; a needle accommodating sleeve is arranged on a thin infusion tube, and can accommodate a puncture needle, which is pulled out after the infusion is completed, in the sleeve so as to effectively prevent accidental puncture from occurring; a needle handle and a puncture needle fixer are arranged on the puncture needle, the needle handle is perpendicularto the puncture needle, and the puncture needle fixer is matched with the needle handle, so that a situation of puncture needle removal or medicine liquid extravasation can be prevented from occurring.

The invention discloses a sample analyzer and a sample detection process thereof. The sample analyzer comprises: an automatic sample injection component, which automatically transports a sample tube toward a first sampling position along an automatic sample injection path in the X direction; an emergency sample injection component, along the X direction The manual sampling path in the X direction transports the emergency sample tube between the manual sample setting position outside the machine and the second sampling position inside the machine; the transport assembly, the transport path in the Y direction transports the sample between the receiving position and the sampling position The tube, the second sampling bit, the receiving bit and the sampling bit are sequentially arranged along the Y direction; the scheduling component includes a first path in the Y direction and a second path in the X direction, and the first path is provided with a first grab bit and a first Two grasping positions, the first grasping position is directly above the second sampling position, and the second grasping position is directly above the receiving position; and the sampling assembly, for sampling the sample tube in the sampling position, the present invention can activate the emergency at any time In detection mode, users do not need to wait, avoiding the risk of contamination of emergency samples.

The invention discloses a sample analyzer and a manual sample injection assembly thereof. The manual sample injection assembly comprises: a manual sample setting seat, which is provided with a sample setting hole for receiving a tube to be tested manually placed; a first driving part, The manual sample setting seat is driven to rotate between its initial position and the second sample setting position of the sample analyzer along the rotation path of the XY plane; the second driving member drives the manual sample setting seat along the Y direction with a preferential injection path in the second Move between the sample setting position and the first sample setting position of the sample analyzer; wherein, the second sample setting position and the first sample setting position are set back and forth along the Y direction, and the second sample setting position is on the front side of the sample analyzer; manual When the sample setting seat is in the initial position, the position of the sample setting hole deviates from the connection line between the first sample setting position and the second sample setting position. In the present invention, when the sample is detected, the user can start the emergency detection mode at any time, and manually inject the sample. The module manually injects samples into the emergency tube to be tested without waiting, avoiding the risk of contamination of emergency samples.

The invention relates to a safety self-destructive intravenous infusion needle. A self-destructive mandrel and a needle seat are integrally formed, one end of the self-destructive mandrel connected with the needle seat is a small end axially facing the needle seat, and the other end is a large conical end. The cavity of a protection pipe is provided with a self-destructive mandrel positioning shrinkage hole corresponding to one end of an infusion end of the self-destructive mandrel, a limit step is formed at the junction of the self-destructive mandrel positioning shrinkage hole and the cavity of the protection pipe, the needle seat is provided with a positioning shaft section sliding into the self-destructive mandrel positioning shrinkage hole, and the outer diameter and the axial length of the positioning shaft section are matched with the self-destructive mandrel positioning shrinkage hole. One end face of the positioning shaft section is a breakage end face connected with the conical end of the self-destructive mandrel, an annular cut with the triangular section is formed between the breakage end face and the self-destructive mandrel through the conical end, the other end of the positioning shaft section is provided with an annular limit projection, and the annular limit projection can slide into the cavity of the protection pipe to be in limit match with the limit step. The safety self-destructive intravenous infusion needle has the advantages of simple structure, convenience in machining, good operational continuity, safety and reliability.

The invention relates to a liquid column soft needle head. The liquid column soft needle head comprises a needle end, a needle body, a needle handle and a wing piece. Two ends of the needle body are respectively and fixedly connected with the needle end and the needle handle. The needle end is made of a hard material. The needle handle is fixedly sleeved with the wind piece. The wing piece is provided with an elastic liquid storage cavity filled with liquid in the inside. The needle body is made of a soft material. Liquid storage columns extending along the axis of the needle body are evenly distributed on the cylindrical peripheral wall of the needle body at intervals. The ends close to the needle end, of the liquid storage columns, are sealed, and the other end of each liquid storage column extends into the needle handle and is communicated with the elastic liquid storage cavity. The needle head is soft in texture, swell is effectively prevented, and accidental injury is not caused. In addition, acupuncture treatment and infusion can be easily performed.

The invention discloses a sliding bush type needle head protection device and a safety syringe using the same. The sliding bush type needle head protection device is simple in structure and low in cost and is capable of preventing accidental thorn damage during use and after use and preventing a used needle head from being repeatedly used. The needle head protection device comprises a neck ring and a sliding bush, wherein the neck ring fixedly sleeves a needle base, is barrel-shaped, is provided with an upper end part (22) and a lower end part (2), can sleeve the neck ring and can slide between a retraction position and an stretching position along the external surface of a boss; the external surface of the neck ring (1) and the internal surface of the lower end part (23) of the sliding bush (2) are respectively provided with latching mechanisms which are matched with each other; when in the stretching position, the sliding bush (2) can be inseparably latched to the neck ring (1).

The invention relates to the technical field of medical apparatuses and instruments, and discloses a finger tip blood sampling device which comprises a hollow shell provided with a trigger window and a clamping part, a needle disc provided with a blood taking needle and a blood collecting channel, a limiting rebounding check ring arranged between the needle disc and the shell, a needle disc clamp arranged in the shell and connected with the needle disc in a matched and clamped mode, and an elastic piece arranged between the needle disc and the needle disc clamp; when the needle disc is clamped with the needle disc clamp in a matched mode, the elastic piece is in a compressed state, and the blood taking needle is located in an inner cavity of the shell; and when a trigger button drives the needle disc to be separated from the needle disc clamp, the elastic piece is in a stretching state, and the blood taking needle extends into the clamping part. According to the finger tip blood sampling device, needle withdrawing and blood sampling are integrated, a blood sample is prevented from being polluted, the detection accuracy is improved, and the requirement for the adaptability of a patient is low.

A safe indwelling needle, comprising: a puncture needle body (1) and a shielding cap (3); the shielding cap (3) is provided with a first cavity (33）, and a first through hole (32) and a second through hole (34) axially and correspondingly disposed at the two ends of the outer wall of the shield cap (3); the first through hole (32) and the second through hole (34) communicate with the first cavity （33）; the puncture needle body (1) comprises a needle tube (13) and a needle tip (11); a side hole (12) is provided on the needle tip (11); the needle tip (11) and the needle tube (13) are provided with a through cavity; a stepped surface is provided at the joint of the needle tip (11) and the needle tube (13); the stepped surface forms a limit portion preventing the needle tip (11) from sliding out of the shield cap (3); the space between the first through hole (32) and the second through hole (34) is greater than the distance between the limit portion and the apex of the needle tip (11). The safe indwelling needle provides a needle-tip shielding effect, thus avoiding accidental puncture caused by an exposed needle tip.