34 results about "Intratympanic Injections" patented technology

The invention relates to a medical device for tympanic membrane puncture and intratympanic injection, and relates to the field of ear, nose and throat medical equipment. Patient with technical issues with puncture pain. The main technical solutions are: tympanic membrane puncture, intratympanic injection medical equipment, including support frame, fixing device, connecting block and tympanic membrane puncture, intratympanic injection medical device, tympanic membrane puncture, intratympanic injection medical device including the first puncture device, the second Two puncture devices, suction devices and injection devices; the first puncture device includes a puncture needle and a first connector; the second puncture device includes an injection needle and a second connector; the suction device includes a negative pressure mechanism and a third connector; The injection device includes a syringe and a fourth connecting head; the medical device for tympanic membrane puncture and intratympanic injection has two usage states of suction state and injection state.

The invention relates to a medical device for tympanic membrane puncture and intratympanic injection, and relates to the field of ENT medical equipment. Patient with technical issues of puncture pain. The main technical solutions are: tympanic membrane puncture, intratympanic injection medical device, including a first puncture device, a second puncture device, a suction device and an injection device; the first puncture device includes a puncture needle and a first connector; the second puncture The device includes an injection needle and a second connection head; the suction device includes a negative pressure mechanism and a third connection head; the injection device includes a syringe and a fourth connection head; when the medical device of the present invention is in the first use state, the first connection head of the suction device The three connectors are connected to the second connector of the second puncture device; when the medical device of the present invention is in the second use state, the fourth connector of the injection device is connected to the second connector of the second puncture device.

The invention relates to a dexamethasone sodium phosphate injection and a preparation method thereof. The injection is prepared from dexamethasone sodium phosphate, a stabilizer, an antioxidant, a metal ion chelant, a pH regulator, a viscosity regulator, a solubilizer, an osmotic pressure regulator and water for injection by dissolving and high-temperature sterilization, and has certain viscosity.The dexamethasone sodium phosphate injection is applied to intratympanic injection, and has the effects of enhancing intratympanic medicine absorption and improving sudden deafness.

The invention relates to a tympanic membrane puncture and intratympanic injection medical institution applied in otolaryngology, and relates to the field of medical equipment. The technical problem that the effusion is not drained cleanly affects the treatment effect of the affected area. The technical solutions mainly adopted are: tympanic membrane puncture and intratympanic injection medical institutions, which include a puncture outer tube, an injection inner tube, a blocking needle, an injection device and a suction device. The front end of the puncture outer tube has a tapered first inner wall, and the tail end of the puncture outer tube is provided with a first connector; the front end of the injection inner tube has a tapered head, and the injection inner tube is inserted into the puncture outer tube and connected to the puncture outer tube. A suction channel is formed between the inner walls of the injection tube; the injection inner tube can move relative to the first connector; the plugging needle has a shape suitable for the inner wall of the injection inner tube, and the plugging needle can be inserted and pulled out relative to the injection inner tube; the injection device and the injection inner tube The tube is detachably connected; the suction device is connected to the port on the piercing outer tube.

The invention discloses an anti-misoperation medical device for tympanic membrane puncture and intratympanic injection with internal extraction and external injection, which comprises a first piston, a second piston and a channel converter; the channel converter includes a connecting head and a conversion tube; The inner tube located in the lumen of the base tube; the inner tube extends along the center line of the inner tube with four longitudinal guide chute; the wall of the inner tube is provided with an elastic member and a positioning through hole, the first piston includes a first sealing plug and A first pull handle with an inwardly protruding annular stop; the second piston includes a second sealing plug and a second pull handle, and the outer wall of the second pull handle is provided with a positioning convex plate adapted to the longitudinal guide chute; Each positioning convex plate is provided with an unlocking gap, and each positioning convex plate is also provided with a receiving gap and an elastic hook, and each elastic clip is elastically deformed under the action of an external force and extends into the receiving gap. The invention effectively prevents misoperation.

The invention discloses an auripuncture and intratympanic injection medical device and relates to the field of ear-nose-throat medical equipment and mainly aims to solve the technical problems in the prior art that two holes are formed by secondary needle-inserting drug injection after tapping, and consequently drug regurgitation happens and the puncture pain of a patient is increased. Main technical scheme is as follows: the auripuncture and intratympanic injection medical device comprises a first puncture device, a second puncture device, a suction device and an injection device, wherein the first puncture device comprises a puncture needle and a first connecting head; the second puncture device comprises an injection needle and a second connecting head; the suction device comprises a negative-pressure mechanism and a third connecting head; the injection device comprises an injector and a fourth connecting head. When the medical device disclosed by the invention is in a first service state, the third connecting head of the suction device is connected with the second connecting head of the second puncture device; when the medical device disclosed by the invention is in a second service state, the fourth connecting head of the injection device is connected with the second connecting head of the second puncture device.

The invention discloses a misoperation-proof tympanic membrane puncture and intratympanic injection medical device, which comprises a first needle, a second needle, a first piston, a second piston and a channel converter; the channel converter includes a connecting head and a conversion tube; The base pipe is provided with four longitudinal guide chutes extending along the center line of the base pipe; the inner pipe is provided with four elastic parts, and each elastic part is provided with a protrusion protruding toward the lumen of the inner pipe; the first piston includes four longitudinal The first handle of the guide limit plate, the inner wall of the first handle is provided with four longitudinal guide positioning plates protruding radially along the base pipe; each longitudinal guide positioning plate is provided with an unlocking gap adjacent to the first sealing plug, each The elastic part can enter into a corresponding unlocking notch; the second piston includes a second pull handle, and the outer wall of the second pull handle is provided with a protruding ring-shaped stop adapted to the lumen of the inner tube. The invention can limit the sequence of actions of the first piston and the second piston in use, effectively preventing misoperation.

The invention relates to a tympanum-puncture and intratympanic-injection medical device, and relates to the field of ear-nose-throat medical equipment. The tympanum-puncture and intratympanic-injection medical device mainly aims at solving the technical problems that in the prior art, medicine regurgitation is caused by a second hole formed by second needle-inserting injection after puncture liquid suction, and the puncture pain of a patient is increased. According to the technical scheme, the tympanum-puncture and intratympanic-injection medical device comprises a first puncture device, a second puncture device, a suction device and an injection device; the first puncture device comprises a puncture needle and a first connector; the second puncture device comprises an injection needle anda second connector; the suction device comprises a negative pressure mechanism and a third connector; the injection device comprises an injector and a fourth connector. When the tympanum-puncture andintratympanic-injection medical device is in the first using state, the third connector of the suction device is connected with the second connector of the second puncture device; when the tympanum-puncture and intratympanic-injection medical device is in the second using state, the fourth connector of the injection device is connected with the second connector of the second puncture device.

The invention relates to a medical device for tympanic membrane puncture and intratympanic injection, and relates to the field of ear, nose and throat medical equipment. Patient with technical issues with puncture pain. The main technical solutions are: tympanic membrane puncture, intratympanic injection medical equipment, including support frame, fixing device, connecting block and tympanic membrane puncture, intratympanic injection medical device, tympanic membrane puncture, intratympanic injection medical device including the first puncture device, the second Two puncture devices, suction devices and injection devices; the first puncture device includes a puncture needle and a first connector; the second puncture device includes an injection needle and a second connector; the suction device includes a negative pressure mechanism and a third connector; The injection device includes a syringe and a fourth connecting head; the medical device for tympanic membrane puncture and intratympanic injection has two usage states of suction state and injection state.