39 results about "Animal anesthesia" patented technology

A veterinary anesthesia monitor system useful in establishing, maintaining, and reporting upon the anesthesia gas mixture delivered to or exhaled by a patient.

A valve is provided for controlling the flow of gas through an anesthesia or respiratory breathing circuit. The valve includes a valve body having a first port, a second port, and a third port. The third port includes a flow restrictor for restricting the flow of gas through the third port. A valve closing member is provided that is moveable between an open position where gas can flow through the third port, and a closed position. In the closed position, gas is prevented from flowing through the third port.

The invention discloses a traditional Chinese medicine composition for animal anesthesia and a preparation method of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following medicinal material slices in parts by weight: 5 to 30 parts of flos daturae, 4 to 13 parts of flos rhododendri, 7 to 15 parts of radix aconiti carmichaeli, 1 to8 parts of semen hyoscyami, 3 to 7 parts of venenum bufonis and 2 to 5 parts of rhizoma acori tatarinowii. The preparation method comprises the following steps: after pulverizing the six medicinal material slices through an ultrafine pulverizer, immersing the medicinal materials for 3h by utilizing warm water with the temperature of 60 DEG C, and filtering by utilizing double-layer filter paper; then boiling a concentrated solution extracted through ethanol for three times and sterilizing; centrifuging and taking supernatant; regulating the supernatant to be isotonic by utilizing 0.9 percent sodium chloride and making the volume constant; regulating the pH (Potential of Hydrogen) to 6.8 to 7.0; filtering by utilizing a micropore filter membrane and sterilizing; sterilely filling to form medicinal injection for later use. The traditional Chinese medicine composition disclosed by the invention has relatively good calming, pain easing and anesthetic actions and has an obvious inhibition effect on a central nervous system, and the effective rate reaches 66.7 percent to 93.3 percent; the traditional Chinese medicine composition has high safety performance, basically has no toxic and side effects and no residues, is suitable for clinical popularization and application, and can be industrially produced in a large scale.

The invention relates to a method for anaesthetizing animals before slaughter, by the anaesthetic action of gases or gas mixtures,

The invention relates to the technical field of experimental animals, and in particular to a device for fixing whole body tissue by perfusion of an animal heart. The device for fixing the whole body tissue by perfusion of the animal heart comprises a pressure pump, a buffer bottle, a washing liquid bottle and a fixing liquid bottle; the pressure pump is connected with the air inlet end of the buffer bottle through an air guide pipe; the air inlet end of the washing liquid bottle and the air inlet end of the fixing liquid bottle are connected with the air outlet end of the buffer bottle separately through corresponding air supply pipes; and the air outlet end of the washing liquid bottle and the air outlet end of the fixing liquid bottle are connected with liquid outlet pipes. By using thedevice, animal whole body tissue cells can be quickly and efficiently fixed synchronously through animal anesthesia and animal thoracotomy; and meanwhile, more complete tissue proteins and nucleic acid molecules can be obtained simultaneously to provide high-quality experimental specimens for later experiments.

The invention discloses a construction method of a glaucoma-ciliary cyclitis syndrome animal model and the animal model, and the construction method comprises the following steps: 1) animal anesthesia: anesthetizing an animal, and keeping eyeballs of the animal to be slightly convex; 2) eye anesthesia: performing surface anesthesia on the left eye and/or the right eye of the animal as a tested eye; and 3) virus infection: injecting the MCMV gene recombinant virus expressing the EGFP into the anterior chamber through the cornea center of an animal test eye, and establishing an animal model infected by the MCMV. According to the construction method of the animal model of the glaucoma-ciliary cyclitis syndrome, the mouse cytomegalovirus is injected into the anterior chamber of the eye of the mouse, the PSS animal model is constructed, and an effective animal model is provided for exploration of pathogenesis of the PSS.

The invention belongs to the field of animal anesthesia, and particularly relates to an animal anesthesia machine. Comprising a bottom plate, a stand column is fixedly connected to the top end of the bottom plate, a cross beam is fixedly connected to the top end of the stand column, an anesthesia loop block is fixedly connected to one side of the outer wall of the cross beam, a switching valve is arranged on one side of the outer wall of the anesthesia loop block, and a soda lime box is fixedly connected to the bottom end of the anesthesia loop block. An anesthesia loop block is connected into the module, then a conventional circulating breathing loop pipe is connected into an air inlet port and an air outlet port of the module, a non-rebreathing type direct anesthesia mode can be achieved, when the direct current module is used, the breathing loop pipe applied in the rebreathing type circulating anesthesia mode can be shared, and the purpose that under low air resistance, the direct current module can be used for direct anesthesia is effectively achieved. The invention relates to non-rebreathing type direct anesthesia of a low dead space of a small animal.

The invention relates to a working system suitable for acupuncture point stimulation in small animal experiments. The working system comprises a miniature oxygen generator, an anesthesia system, an anesthetic flow control support, an air outlet and return pipe, a tail gas recovery processing tank and an electro-acupuncture stimulator; the output end of the miniature oxygen generator is connected with the input end of the anesthesia system, the output end of the anesthesia system is connected with the input end of the anesthetic flow control support, the output end of the anesthetic flow control support is connected with a first end of the air outlet and return pipe, and a second end of the air outlet and return pipe is connected with the tail gas recovery processing tank; a third end of the air outlet and return pipe supplies oxygen to the animal, and the electro-acupuncture stimulator is connected with acupuncture points of an animal. According to the invention, a low-concentration gaseous anesthesia technology is adopted, it is guaranteed that the anesthesia level of animals is continuous and constant in the whole experiment process, the potential influence of the stress state caused by manual binding and constraint on the experiment result is avoided, the acupuncture stimulation time is controllable, and the animals can rapidly wake up and freely move after the experiment is finished.

The anesthesia breathing system comprises a driving gas mechanism, a fresh gas mechanism and an anesthesia breathing machine, the fresh gas mechanism is used for feeding fresh gas with anesthetic gas into the anesthesia breathing machine, and the anesthetic breathing machine is used for feeding the fresh gas with the anesthetic gas into the anesthesia breathing machine. The driving gas mechanism is used for pushing fresh gas in the anesthesia respirator to a patient; wherein the fresh gas mechanism comprises an oxygen generator and a gas storage tank, the oxygen generator is used for preparing oxygen, the gas storage tank is connected between the oxygen generator and the anesthesia respirator, and the gas storage tank is used for storing the oxygen prepared by the oxygen generator and supplying the oxygen to the anesthesia respirator. According to the anesthesia breathing system disclosed by the invention, the gas storage tank is arranged between the oxygen generator and the anesthesia breathing machine, and the gas storage tank stores oxygen prepared by the oxygen generator, so that the situation that the rescue opportunity of a patient is missed due to insufficient gas supply of the oxygen generator when the anesthesia breathing machine needs to quickly supply oxygen is prevented.

The invention discloses an experimental device for animal anesthesia, and relates to the technical field of animal experimental anesthesia. The experimental device for animal anesthesia comprises a box body, wherein one side of the top of the box body is penetrated with a toothed slot plate; the top of the toothed slot plate is fixedly connected with a baffle plate; the bottom of the toothed slotplate is fixedly connected with a connecting plate; two sides of the bottom of the connecting plate are fixedly connected with a fixing block; and the bottom of the fixing block is fixedly connected with a sliding slot. The experimental device for animal anesthesia can adjust the direction of spraying anesthetic liquid from top to bottom and from left to right, and animals of different sizes can be anesthetized, so that the anesthetic device can be used more widely; Before the animals are completely anesthetized, animals are easy to move, and the anesthetic nozzle can follow the animals for anesthesia, thus saving the time of anesthesia, greatly improving the work efficiency, atomizing the anesthetic liquid, enabling the animals to be anesthetized to absorb the anesthetic liquid more quickly, accelerating the anesthetic efficiency of the animals, and better protecting the internal structure of the device.

The invention discloses a dose-adjustable inhalation continuous anesthesia device for small and medium-sized animals, and belongs to the technical field of animal anesthesia. The anesthesia device comprises a double-ball air supply device, an anesthetic gasification device, an anesthetic supplement device, an anesthesia tube, a fixing device, and an anesthetic exhaust gas absorption device. The double-ball air supply device, the anesthetic supplement device and the anesthesia tube are all connected with the anesthetic gasification device. The anesthesia tube has a transparent valve. The transparent valve allows a front leg of a small and medium-sized animal to enter the anesthesia tube without being easily withdrawn. The anesthetic gasification device is provided with an anesthetic and a non-volatile liquid which is miscible with the anesthetic. By controlling the concentration of anesthetic gas entering the anesthesia tube, the animal is kept under anesthesia by continuously inhalingthe anesthetic gas within a certain concentration range, so that the animal can be kept anesthetized during an experiment, and is not over- or too lightly anesthetized, so that the experiment can be carried out better. The anesthesia device is simple to manufacture, convenient to operate, economical and practical, and convenient for popularization and application.

The invention relates to a portable inhalation animal anesthesia device and use methods thereof. The device comprises a breathing mask, a volatilizer, an induction anesthesia box, and airway tube. Theuse methods include: used alone or in conjunction with anesthesia machine. When the device is used alone, volatile anesthetic drugs is added into the induction anesthesia box and the volatile device,and animal is placed into the induction anesthesia box to perform induction anesthesia. The breathing mask is connected to the volatilizer through the airway tube, and the induction anesthetized animal is taken out of the induction anesthesia box. The breathing mask is mounted to muzzle and nose of the animal. The animal continues to inhale the gas mixed with the anesthetic under the action of the vaporizer to maintain the continuous anesthesia. When the device is used in conjunction with an anesthesia machine, the interface that the anesthesia machine output anesthesia gas is connected to the breathing mask with the airway tube, and the induction anesthesia box is connected to the anesthesia machine in the same way. The breathing mask is put on muzzle and nose of the animal. The animal is kept continuous anesthesia state by keeping inhaling anesthesia gas.

The invention discloses a model animal anesthesia-free directional embedding method and system, the system comprises a zebra fish micro-fluidic chip and a droplet array chip, the zebra fish micro-fluidic chip comprises a micro-fluidic chip substrate and a cover plate; the micro-fluidic chip substrate and the cover plate are connected in a non-permanent combination manner. The micro-fluidic chip can realize the preparation of the zebra fish capsule only by simple cooling, and the obtained zebra fish capsule has the same activity as non-fixed zebra fish, and has high survival rate. The zebra fish anesthesia-free directional embedding medicine screening system is simple to construct, small in size, convenient to use, low in cost and free of assistance of peripheral equipment, the medicine screening experiment dosage is reduced from mL level to mu L level, and high throughput, multiple phenotypes and low consumption in the real sense are achieved.

The invention belongs to the technical field of animal treatment, particularly relates to a trachea cannula special for animals and matched with an animal respiration anesthesia machine, and aims to solve the problem that a tracheal catheter for animal anesthesia is not tightly connected with a cannula, the following scheme is provided: the trachea cannula comprises a respiration anesthesia machine body and a catheter body connected to the respiration anesthesia machine body, one end of the catheter body is fixedly connected with a sleeve, the inner wall of the sleeve is provided with threads and connected with a connector through the threads, one end of the connector is provided with a rubber head, the inner wall of the catheter body is provided with an inner tube, the space between the inner tube and the catheter body is filled with filling liquid, an air bag is arranged on the circumferential outer wall of a cannula body, and a connecting pipe is fixedly connected into the air bag. By arranging the connector and the rubber head, after the connector extends into the inner wall of the sleeve, the rubber head is extruded, so that the rubber head is tightly attached to the threaded end of the inner wall of the sleeve, and gas is prevented from leaking from the joint of the catheter body and the cannula body.