61 results about "Safety syringe" patented technology

A dosage verification system for use prior to administering an injection of a medicinal fluid drawn into the fluid chamber of a medical syringe, the system comprising a medical syringe having a barrel with an outwardly facing, flat indicia display surface, a plunger having a plunger seal disposed inside and slidably engaging an inwardly facing wall of the barrel and a plunger handle projecting rearwardly from the barrel, and a hypodermic needle projecting forwardly from the barrel, all in combination with an imaging device configured to view and selectively capture, store or transmit a digital image of the plunger position relative to the barrel when a dose of the medicinal fluid is drawn into the fluid chamber of the barrel prior to an injection to verify and provide a record of the dosage drawn, and to alert a user prior to injection when an incorrect dosage is drawn into the fluid chamber of the syringe.

The invention discloses a disposable safety syringe, which relates to the technical field of syringes, and comprises an empty cylinder, a push rod is arranged in the empty cylinder along the axial direction in a sliding manner, a piston attached to the inner wall of the empty cylinder is arranged at the end part of the push rod, and a nipple for connecting a needle is arranged at one end of the empty cylinder and is conical along the axial direction; an annular concave portion located in the middle is arranged on the inner wall of the nipple, an annular fixing piece is fixedly connected to the center of the end of the piston, a plugging piece is arranged in the annular fixing piece in a compressed mode, in the initial state, the plugging piece is stored in the annular fixing piece in the radial compression state, and the plugging piece is pushed to enter the annular concave portion after the piston abuts against the end of the hollow cylinder to be compressed. According to the disposable safety syringe, the movable plugging piece is arranged, and the plugging piece is pushed by the piston at the injection end stage of the syringe so as to enter the annular concave part and be unfolded, so that the interior of the nipple is plugged, the empty cylinder is prevented from being used for the second time, and the syringe is prevented from being reused.

The present invention relates to a system for sequential injection of liquids, comprising a syringe body defining a proximal opening of the syringe and a distal needle interface, a proximal stop member and a distal stop member forming a proximal chamber and a distal chamber. The system further comprises a first liquid in the distal chamber and a second liquid in the proximal chamber, and a plunger configured to be manually manipulated to insert the proximal stop member distally. Furthermore, the system comprises a needle hub assembly coupled to the syringe body, the needle assembly comprising a needle. The needle defines a needle interior and a distal opening, an intermediate opening and a proximal opening. The distal opening, the intermediate opening and the proximal opening are fluidly couplable through the needle interior. Manipulation of the plunger member to insert the proximal stop member first expels the first liquid from the distal chamber and then sequentially expels the second liquid from the proximal chamber.

The invention discloses a retraction self-destruction type safety syringe, and relates to the technical field of syringes. Comprising an outer sleeve and a core rod moving in the outer sleeve, the core rod comprises a rod head and a rod body, the rod body comprises a rod body front section, a rod body middle section and a rod body rear section, the protective cap is clamped at the front end of the outer sleeve, the needle seat is clamped at an opening in the front end of the outer sleeve, an inner cavity is formed in the rear end of the needle seat, the needle tube is located at the front end of the needle seat, and the sealing plug is located in the circumferential direction of the rod head. The sealing plug is provided with a sealing plug protruding point and an O-shaped ring located in the circumferential direction of the front end of the needle base. According to the retraction self-destruction type safety syringe, the use safety is improved, repeated use is effectively prevented, the risk of cross infection and the risk that related personnel are punctured by needles are reduced, the psychological burden and fear of a patient are relieved, complex operation steps or additional tools are not needed, operation is more stable and reliable, and the safety of the syringe is improved. The unforeseen circumstances caused by misoperation are reduced, the generation amount of medical wastes is reduced, and the pressure of medical waste treatment can be relieved.

A dosage verification system for use prior to administering an injection of a medicinal fluid drawn into a medical syringe, the system comprising a medical syringe having a barrel with an outwardly facing, flat indicia display surface, plunger having a plunger seal disposed inside and slidably engaging an inwardly facing wall of the barrel and a plunger handle projecting rearwardly from the barrel, and a hypodermic needle projecting forwardly from the barrel, all in combination with an imaging device configured to view and selectively capture, store or transmit a digital image of the plunger position relative to the barrel when a dose of the medicinal fluid is drawn into the fluid chamber of the barrel prior to an injection to verify and provide a record of the dosage drawn, and to alert a user prior to injection when an incorrect dosage is drawn into the fluid chamber of the syringe.

The invention provides a safety syringe, and relates to the technical field of syringes, the safety syringe provided by the invention comprises a needle cylinder, a needle head, a shell and a sleeve; the shell sleeves the needle head; the sleeve is arranged on the shell in a sleeving mode and connected with the needle head, and the sleeve is configured to be capable of moving along the shell so as to drive the head of the needle head to stretch out of the shell or retract to the shell. By arranging the shell and the sleeve, the retractable function of the needle head after use is achieved, the puncture risk caused by exposure of the needle head after injection is completed is effectively avoided, and the operation safety is remarkably improved.

The invention relates to a safety syringe comprising a barrel, a needle seat, and a plunger, wherein the needle seat has a hook shank, a coupling deformation portion, and a barrel clamping portion; and the plunger has a stem body and a hook insertion hole that can be sleeved with the hook shank of the needle seat and compresses the coupling deformation portion for elastic deformation so that the barrel clamping portion of the needle seat is not engaged in the barrel seat clamping groove, and the hook insertion hole can engage the hook shank of the needle seat to move the needle seat. The safety syringe allows for stable placement and rapid retraction of the needle seat and effectively reduces waste of liquid medicine.

The figures illustrate a new, original, and ornamental design for a safety syringe for administering medical injections; Figs. 1.1-1.7 depict the safety syringe with the needle cap removed, and Figs. 2.1-2.7 depict the safety syringe with the needle cap not removed; Any broken lines or coloring are for illustrative purposes only and form no part of the claimed design.

The utility model discloses a safety syringe with a replaceable needle head. The safety syringe comprises a needle cylinder structure, a needle head structure and a needle seat structure, wherein the needle head structure is arranged on the needle cylinder structure and detachably connected with the needle cylinder structure, and the needle seat structure is arranged on the needle head structure and can be matched with needle tubes of different specifications and sizes. The needle base structure has the advantages that the needle base structure can be matched with needle tubes of different specifications and sizes, and therefore a large-specification needle cylinder is matched with a small needle tube.

A dental safety syringe with a plunger assembly, push lever slidably coupled to the piston rod, a carpule retainer slidably coupled to the piston rod, a barrel assembly detachably coupled to the plunger assembly with a carpule barrel sized to receive a carpule. A needle adapter is coupled to the carpule barrel and a sliding barrel slidably coupled to the carpule barrel. Finger grips extend from the sliding barrel, and an optional trigger is positioned adjacent the finger grip. A push lever lock is slidably coupled a finger grip. A safety cover is detachably coupled to the sliding barrel and is configured to extend past a syringe needle when the push lever is in the inactive position and expose the syringe needle when the push lever is in the inactive position. Operable with a single hand through all of its stages of use.

To provide a safe syringe with a vial capable of easily taking out an arbitrary amount of a liquid body from a sealed vial and filling it.SOLUTION: In a syringe with a plunger of the syringe as a vial, a movable sealing member inside the vial has a penetration part penetrating the movable sealing member inside the vial, and the penetration does not depend on the directionality of the longitudinal direction of the vial, and the syringe with the vial is opened according to the pressure to the movable sealing member inside the vial, and is closed when the pressure to the movable sealing member inside the vial is released. An injection needle, a syringe vial adapter body, a connecting cylindrical member, a vial inside movable sealing member, and the vial can be detachably and closely connected to each other.SELECTED DRAWING: Figure 2

The utility model discloses a multifunctional self-locking type safety injector which comprises an injection tube body, the top and the bottom of the injection tube body are closed, the bottom of the injection tube body is communicated and connected with an injection needle, a self-locking barrel is arranged above the injection tube body, a butt-joint tube body is connected between the injection tube body and the self-locking barrel in a sleeved mode, and the butt-joint tube body is provided with a plurality of through holes. A movable barrel is slidably connected into the self-locking barrel, the top of the movable barrel penetrates through the self-locking barrel to be connected with a pressing plate, the bottom of the movable barrel is connected with a piston rod through a bolt, a piston block is slidably connected into the injection pipe body, and through holes matched with the piston rod are formed in the bottom of an inner cavity of the self-locking barrel and the top of an inner cavity of the injection pipe body. According to the technical scheme, through mutual cooperation of the arc-shaped reeds, the rectangular reeds, the self-locking columns, the penetrating holes, the self-locking holes and other components, effective self-locking can be conducted, and therefore the self-locking device is not prone to sliding in the using process, injection and extraction of the self-locking device are not affected, and the using efficiency and the working efficiency of the self-locking device are improved.

A safety syringe (100; 700; 1200) comprising: a barrel (104; 704; 1204) having an opening at an end thereof; a syringe plunger (108; 708; 1208) configured to move within the barrel such that an inward stroke of the syringe plunger causes a substance within the barrel to be expelled from the opening; and a sheath (112; 712; 1212) configured to cover at least partially the opening in the barrel after use of the syringe, wherein the safety plunger is decoupled from the sheath and is configured to couple to the sheath at a first point on the inward stroke and to decouple from the syringe plunger at a second point on the inward stroke such that the sheath is moveable independently of the syringe plunger and further movement of the sheath after decoupling at least partially covers the opening in the barrel.

The figures represent decorative designs for a novel and original safety syringe for administering medication by injection. Figures 2.1–2.7 show a safety syringe with the needle cap attached. Any dashed lines and colors are for illustrative purposes only and do not constitute part of the design for which registration is sought. 2.1) Perspective view; 2.2) Top view; 2.3) Bottom view; 2.4) Front view; 2.5) Rear view; 2.6) Right side view; 2.7) Left side view

We provide a system for continuously injecting liquids. [Solution] The system includes a syringe body defining a proximal opening and a distal needle interface; a proximal stopper member and a distal stopper member forming a proximal and distal chamber; a first liquid in the distal chamber and a second liquid in the proximal chamber; a plunger configured to be manually operated to insert the proximal stopper member distally; and a needle hub assembly coupled to the syringe body, the needle assembly including a needle. The needle has an internal structure and defines a distal opening, an intermediate opening, and a proximal opening, which are fluid-coupled through the internal structure of the needle. By operating the plunger member to insert the proximal stopper member, the first liquid is first discharged from the distal chamber, and then, continuously, the second liquid is discharged from the proximal chamber.

A safety syringe system that automatically shields a needle after an injection. A plunger extends into a barrel. An elastic return construct is provided that has at least one stretchable arm. The elastic return construct engages the barrel and positions each stretchable arm along the exterior of the barrel. A safety shield is provided that slides over a first end of the barrel. In a first position, the needle is protected by the safety shield. In a second position, the needle is exposed. The safety shield engages and stretches the elastic return construct when moved from the first position to the second position. A locking mechanism is used to lock the safety shield into its second position. The locking mechanism is released by elements displaced by movement of the plunger.

The invention provides a safety syringe special for diabetics, and relates to the technical field of syringes, the safety syringe comprises an injection tube and a medicine taking bottle, the opening part of the medicine taking bottle is provided with a diaphragm used for sealing liquid medicine, the injection tube is internally and movably provided with a piston propeller, and the outer wall of the tail end of the injection tube is fixedly provided with a handle; a tube sleeve is fixedly installed on the outer wall of the front end of the injection tube, the tube sleeve is in threaded connection with the opening part of the medicine taking bottle, a spine part is fixedly installed in the tube sleeve, a channel communicated with the interior of the injection tube is arranged in the spine part, and an exhaust assembly is installed at the front end of the interior of the injection tube. The medicine taking bottle is rotated, the opening of the medicine taking bottle can be arranged in the tube sleeve, and in the process, the spine part punctures the diaphragm to enable the interior of the injection tube to be communicated with the interior of the medicine taking bottle through a channel of the spine part, so that a patient can conveniently take the medicine during injection by himself, the phenomenon of puncturing the hand is avoided, and the safety of the injector is improved.

To provide a method for preparing a pre-filled multi-chamber injection system.SOLUTION: A method includes a step for providing an injection system body, in which the injection system body defines an opened proximal end, an inner body, and an opened distal end. The method includes a step for introducing a first material into a distal end of the inner body. The method includes a step for arranging a distal stopper member in the inner body, in which the distal stopper member and the injection system body define a proximal chamber and a distal chamber in the inner body. The method includes a step for introducing a second material into the inner body. The method includes a step for arranging the proximal stopper member in the inner body. The method includes a step for at least partially inserting a longitudinal member into the inner body, in which the longitudinal member has a plurality of flow paths for fluidly connecting the proximal chamber and the distal chamber. The method includes a step for connecting a plunger member to the proximal stopper member.SELECTED DRAWING: Figure 13

A safety lock syringe assembly (20) comprising: a barrel (22) comprising a distal end (23) and a proximal end (24), one or more lugs (30) extending outwardly from an outer surface (28) of the barrel (22), and a needle (36) extending from the distal end (23); and a sleeve (46) having threads (48) engaging the one or more lugs (30), the sleeve (46) including a sleeve locking mechanism (50) in which the sleeve (46) is threaded in a first direction to a first position exposing the needle (36) and the sleeve (46) is threaded in a second direction to a second position protecting the needle (36), the sleeve (46) is threaded in the second direction to a third position that engages the one or more lugs (30) to the sleeve locking mechanism (50) to irreversibly lock the sleeve (46) to the barrel (22).

To provide a system and method suitable for a safety syringe.SOLUTION: One embodiment is directed to a system for injection, the system comprising: a syringe body defining an interior medicine chamber; a stopper member configured to be inserted into the interior medicine chamber to contain medicine in the medicine chamber; a plunger member configured to be manually manipulated to insert the stopper member relative to the syringe body; and a needle having proximal and distal ends, the proximal end having an anchoring geometry configured to be at least partially inserted into the stopper member so that upon retraction of the stopper member the needle is pulled proximally along with the stopper to be at least partially contained in the interior medicine chamber.SELECTED DRAWING: Figure 1B

The utility model discloses a safety syringe capable of preventing acupuncture injury, which comprises a needle cylinder, a piston block is slidably connected in the needle cylinder, a push rod is fixedly connected on one side of the piston block, a needle head is arranged on one side of the needle cylinder, a fixing ring is fixedly connected on the outer side of the needle cylinder and located on one side of the needle head, and a protective sleeve is arranged on the outer side of the fixing ring. The outer side of the protective sleeve is fixedly connected with a fixed frame; the utility model relates to the technical field of injectors, according to the safety injector capable of preventing acupuncture injury, the function of shielding and protecting the needle head is achieved through the arrangement of the fixing ring, the positioning block, the protective sleeve, the positioning groove, the anti-skid protruding block and the protective ring, the effect of preventing acupuncture injury is achieved, the protective ring can shield the hand in the process of sleeving the protective sleeve, and the safety is improved. The needle injury is avoided; by arranging the fixing frame, the connecting block, the connecting rod, the reset spring, the sliding block, the limiting block and the limiting groove, the function of installing the protective sleeve on the fixing ring is achieved, operation is convenient, and use is convenient.

The present application provides a syringe protection device and a safety syringe. The syringe at least comprises a barrel, and a limiting protrusion is provided on the outer wall of the barrel; the device at least comprises a protective sleeve and an elastic member; the protective sleeve is sleeved on the end outside the barrel close to a needle, a through hole is formed in one end of the protective sleeve, and a first limiting hole and a second limiting hole are formed in the side wall of the protective sleeve; in a first state, the barrel is press-fitted into the protective sleeve, the limiting protrusion is snap-fitted in the first limiting hole, and the needle passes through the through hole and is exposed outside the protective sleeve; and in a second state, the limiting protrusion is snap-fitted in the second limiting hole, and the needle is covered in the protective sleeve. According to the syringe protection device provided by the present application, after a syringe is used, the position of a barrel relative to a protective sleeve is changed by changing the position of a limiting protrusion, so that a needle enters the protective sleeve via a through hole, thereby solving the problem of secondary damage to a person when injection of the syringe is completed.

The application discloses a disposable safety syringe and relates to the technical field of syringes.The disposable safety syringe comprises a barrel, a push rod arranged to slide along the axial direction of the barrel, a piston arranged on the end of the push rod and matched with the inner wall of the barrel, a nipple arranged on one end of the barrel and used for connecting a needle, the nipple being tapered along the axial direction, an annular recess arranged on the inner wall of the nipple and located in the middle part, a ring-shaped fixing member fixedly connected with the center of the end of the piston, and a blocking member arranged to be compressed in the ring-shaped fixing member, wherein the blocking member is in a radially compressed state in the ring-shaped fixing member in an initial state, and the blocking member is pushed into the annular recess and expanded after being compressed by the piston when the piston abuts against the end of the barrel.The disposable safety syringe is provided with the movable blocking member, the blocking member is pushed by the piston at the end of the injection of the syringe, enters the annular recess and expands, thereby blocking the inside of the nipple, avoiding the secondary use of the barrel, and avoiding the repeated use of the syringe.

The disposable sterile silicone-oil-free retractable self-destruction safety syringe is characterized in that the upper end of a needle head assembly is located in a cylinder cavity of a needle cylinder, a hanging buckle is formed on one side of the upper end of the needle head assembly, and an abutting arc surface is formed on the opposite side of the hanging buckle; a buckling inner hole capable of being matched with the hanging buckle is formed in the lower end of the sealing piston. When the buckling inner hole is matched with the hanging buckle, the sealing piston can drive the needle head assembly to move upwards, the needle head assembly is separated from the needle head cavity, the abutting arc face can gradually abut against the interior of the buckling inner hole, and the central axis of the needle head assembly and the central axis of the needle cylinder deflect. In the process, bubbles at the conical guide hole gradually move into the conical buckling hole along the conical guide hole under the pushing of the hanging buckle and the abutting arc face, in the injection process, the bubbles cannot be injected into the human body along with the needle head, and the injection safety is ensured.

The safety type injector comprises an injector body, a quantitative structure and a safety structure, scale marks and threads are arranged on the barrel face of the injector body, the quantitative structure comprises a first short pipe, a straight rod and an annular plate which are fixed into a whole, the first short pipe is rotationally connected with the injector body in a threaded mode, the straight rod is in sliding fit with a barrel end plate of the injector body, and the annular plate is located on the rear portion of the barrel end plate. A piston rod of the injector penetrates through the annular plate; a limiting block is arranged at the front end of the straight rod; the safety structure comprises a second short pipe and a parallel rod which are fixed into a whole, the second short pipe can penetrate through the first short pipe, the straight rod penetrates through the middle of the parallel rod in a sliding mode, and the limiting block limits the rear end of the parallel rod. The syringe has the advantages that the safety structure is arranged, the second short tube can movably cover the steel needle head during injection operation, and stabbing is avoided; the quantitative structure is arranged and matched with the scale marks, so that the syringe can perform quantitative injection for multiple times by sucking liquid medicine once.

The invention discloses an automatic rotating self-destructing safety syringe, which belongs to the technical field of syringes. The syringe comprises a syringe, a core rod, a needle seat and a stop ring, wherein N convex strips 1 are evenly distributed outside the needle seat, a convex strip 2 is arranged on the upper part of the syringe, a locking convex block B is arranged inside the syringe and located at the stop ring, and the convex strip 2 is embedded between two corresponding adjacent convex strips 1 so that the needle seat can only move up and down; a locking block B in an L shape matching with the locking convex is arranged outside the stop ring, and the locking block is hooked on the upper side of the locking convex to fix the stop ring on the syringe; C rotating driving convex blocks are arranged on the tenon, and C rotating guide convex strips matching with the rotating driving convex blocks are arranged inside the stop ring; after the injection is completed, the tenon is inserted into the stop ring, and the rotating driving convex blocks cooperate with the rotating guide convex strips to allow the stop ring to rotate toward the unlocking direction until the locking convex block is staggered with the locking block, and the core rod is locked with the stop ring, and the stop ring and the needle seat can be moved downward by pulling the core rod downward.

A safety syringe assembly includes a syringe barrel, a needle hub having a proximal end configured to be connected to a syringe tip and a distal end having an opening configured to receive a needle cannula, and a needle plug including a distal end having a socket and a proximal end having a plunger connecting element configured to engage a needle plug engaging element on a distal face of a plunger rod. The needle plug and needle cannula are retractable within the syringe tip or needle hub.

A dental safety syringe with a plunger assembly, push lever slidably coupled to the piston rod, a carpule retainer slidably coupled to the piston rod, a barrel assembly detachably coupled to the plunger assembly with a carpule barrel sized to receive a carpule. A needle adapter is coupled to the carpule barrel and a sliding barrel slidably coupled to the carpule barrel. Finger grips extend from the sliding barrel, and an optional trigger is positioned adjacent the finger grip. A push lever lock is slidably coupled a finger grip. A safety cover is detachably coupled to the sliding barrel and is configured to extend past a syringe needle when the push lever is in the inactive position and expose the syringe needle when the push lever is in the inactive position. Operable with a single hand through all of its stages of use.

A dental safety syringe with a plunger assembly, push lever slidably coupled to the piston rod, a carpule retainer slidably coupled to the piston rod, a barrel assembly detachably coupled to the plunger assembly with a carpule barrel sized to receive a carpule. A needle adapter is coupled to the carpule barrel and a sliding barrel slidably coupled to the carpule barrel. Finger grips extend from the sliding barrel, and an optional trigger is positioned adjacent the finger grip. A push lever lock is slidably coupled a finger grip. A safety cover is detachably coupled to the sliding barrel and is configured to extend past a syringe needle when the push lever is in the inactive position and expose the syringe needle when the push lever is in the inactive position. Operable with a single hand through all of its stages of use.

The figures represent decorative designs for a novel and original safety syringe for administering medication by injection. Figures 1.1-1.7 show a safety syringe with the needle cap removed. Any dashed lines and colors are for illustrative purposes only and do not constitute part of the design for which registration is sought. 1.1) Perspective view; 1.2) Top view; 1.3) Bottom view; 1.4) Front view; 1.5) Rear view; 1.6) Right side view; 1.7) Left side view