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

The invention relates to a safety needle arrangement (1) comprising a main part (2), a cannula support (6), a cannula (10), a proximal end of (12) which is held at a distal end (7) of the cannula support (6), an adjusting element (15) which is operatively arranged between the main part (2) and the cannula support (6), and a locking device (19) with multiple first and second locking elements (20, 21) which are engaged with one another. The first locking elements (20) are arranged in the region of a proximal end (4) of the main part (2) and are formed by projections (22) which are arranged diametrically opposite one another, and the second locking elements (21) are arranged in the region of a proximal end (8) of the cannula support (6) and are formed by recesses (24) which are arranged diametrically opposite one another.

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.

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.

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 discloses a safety syringe and a safety mechanism therefor. A safety syringe (1) comprises a barrel (2) having a proximal end (3), a distal end (4) and a chamber (5) between the proximal and distal ends defining a longitudinal axis, a needle holder (6 ) extends from the distal end to the distal side; the plunger (7) has a distal portion inserted into the syringe from the proximal end of the syringe and a proximal portion located outside the syringe; the needle (8) has a needle holder a proximal portion inserted into the needle channel of the needle holder and a distal portion located outside the needle holder, the needle being hollow and in fluid communication with the chamber of the barrel; and a safety mechanism (9), at least partially surrounding The needle holding part is installed, in the non-actuated position of the safety mechanism, the distal part of the needle is not covered by the safety mechanism, and in the activated position, at least the distal end of the needle is covered by the safety mechanism to prevent accidental contact with the distal end of the needle touch. According to the present invention, when assembling the syringe, the safety mechanism can be installed first, and then the needle can be installed, so that the needle only needs to be calibrated once, and the needle will not be interfered before the safety mechanism is actuated.

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 discloses a sample analyzer and its detection process. The sample analyzer includes: an automatic sampling assembly, which transfers a test tube rack loaded with conventional test tubes to the center along the automatic sampling path in the X direction; manual sample injection Components, including the first test tube holder for placing the priority test tube, the first test tube holder moves between the initial position, the intermediate position and the manual placement position; the transfer assembly, including the second test tube holder for placing the test tube, the second The test tube holder moves between the transfer position and the sample suction position along the transfer path in the Y direction. The first test tube holder is biased to one side of the transfer path in the initial position; Sample collection; and a detection component, which detects the samples collected by the sampling component. The present invention receives the emergency test tube through the manual sampling component, and realizes the closed suction of the emergency sample in the machine, avoiding the risk of contamination of the emergency sample, and at the same time reducing The risk of medical staff being infected.

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.

A needle recovery device, comprising a needle holder assembly (1) which recovers a needle, and a recovery tube assembly (2). The needle holder assembly (1) comprises a connector (10), a needle holder cylinder (11), a connector base (12), a first separation component (14), and an engagement component (105) formed on the connector (10). The recovery tube assembly (2) comprises an external recovery tube (20), an internal recovery tube (21), a compression spring (22), a slide piece (23), a piston rod component (24), and an engagement component (246) formed on the piston rod component (24). The needle recovery device prevents a needle from causing accidental stab wounds after a blood sample has been taken. Also provided are the needle holder assembly (1), and the recovery tube assembly (2).

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).