51results about How to "Convenient injection operation" patented technology

The invention provides an atomizer. The atomizer comprises a liquid storage component and a gas regulating and liquid inlet component, wherein the gas regulating and liquid inlet component comprises an inner ring base, the inner ring base is arranged at the top end of the liquid storage component, an injection hole is formed in one side of the circumferential wall of the inner ring base, a drainage hole is formed in one side, corresponding to the injection hole, of the bottom wall of the inner ring base, the drainage hole and the injection hole are communicated to form an injection channel, and the injection channel is communicated with a liquid storage cavity arranged in the liquid storage component. Besides, the invention provides an electronic cigarette with the atomizer. The atomizer provided by the invention has the advantages that liquid injection is completed by virtue of the injection hole without disassembling the inner ring base and thus is greatly facilitated.

The invention discloses a caudal vein joint intraperitoneal injectionfixing device which comprises a base, a cylinder, a front cover and a rear cover; the cylinder comprises a side plate and a slidingrail, a first sliding groove is formed in the side plate, the sliding rail and the side plate form an annular structure with the adjustable size, a track is connected to the side face of the front cover, a sliding hole is formed in the side plate, the track is slidably arranged inside the sliding hole, a locking mechanism is arranged at the side plate, the locking mechanism comprises a clamping base, a first clamping plate, a second clamping plate, a first spring and a first baffle, a second sliding groove is formed in the clamping base, the second clamping plate is slidably arranged inside the second sliding groove, the first clamping plate and the second clamping plate are arranged at the two sides of the track, the first baffle is hinged to the side plate, and the first baffle is provided with a circular bead and a limiting plate. A mouse is fixed so that an operator can perform the injection operation conveniently, force for clamping the mouse is fixed, and the phenomenon that blood circulation of the mouse is affected due to force changes or the mouse is killed in the testing process is avoided.

The invention relates to the field of biomedicine. 5-fluorouracil (5-FU) is widely applied to the chemotherapy of gastral malignant tumors, but primary and acquired medicament resistant phenomena in the chemotherapy of colon cancer are universal; cell apoptosis is an important approach that chemotherapeutics play a role, and APAF-1 serving as regulatory protein is mainly involved in signal transduction of a mitochondrion approach of apoptosis; miR-23a can be combined with APAF1 serving as a target gene thereof so as to reduce the expression of the APAF1, and the apoptosis caused by the mitochondrion approach due to the chemotherapy is reduced so as to enhance the tolerance of the tumors to the chemotherapeutics; and the number of apoptotic cells is increased by reducing the expression amount of the in-vivo miR-23a so as to enhance the sensibility of the chemotherapeutics. The invention provides a PLKO-anti-miR-23a vaccine adjuvant for enhancing the chemotherapeutic effect of the chemotherapeutics, particularly the 5-FU. In-vitro experiments prove that the vaccine adjuvant can enhance the apoptosis level of colon cancer cells caused by the 5-FU serving as the chemotherapeutics obviously, and in-vivo experiments show that the vaccine adjuvant can enhance the chemotherapeutic effect of the 5-FU obviously, inhibit tumor growth and prolong the survival period of immunodeficient mice.

The invention provides a liquid metal flexible electron and a preparation method and application thereof, and belongs to the technical field of liquid metal flexible electrons. According to the method, the characteristic that ABS plastic can be dissolved by acetone is utilized, 3D printing is utilized, a micro-channel is rapidly constructed in the Ecoflex silica gel which is a flexible substrate,and then liquid metal is injected into the channel to complete manufacturing of flexible electrons. According to the method, a traditional photoetching process does not need to be adopted for micro-channel construction, the operation steps can be greatly simplified, and the cost is reduced. A gold film on the surface of ABS is transferred to the surface of the Ecoflex silica gel flexible substrate, the wettability of liquid metal in a channel is improved, subsequent liquid metal injection operation is facilitated, and the prepared liquid metal flexible circuit is high in elasticity, can meet various deformation requirements and is stable in electrical performance in the service process.

The invention provides a hand-held automatic hypodermic fixator comprising an outer sleeve, an inner sleeve and a propeller; the side face of the lower segment of the outer sleeve is provided with an opening, so an injector can be placed in; the opening of the outer sleeve is provided with an openable protector cover; the lower segment of the outer sleeve is provided with an adjusting fixing mechanism, and provided with scales; the top of the lower segment of the outer sleeve is also provided with a needle hole; the upper segment of the outer sleeve is provided with inner thread, the inner sleeve is provided with outer thread, and the inner sleeve can slide up and down in the outer sleeve; the propeller is arranged in the inner sleeve, and provided with a guide rail in the inner sleeve length direction; the guide rail is nested in a guide slot on the side wall of the inner sleeve; the propeller can move up and down relative to the inner sleeve; the propeller is driven by an electric control drive mechanism; the electric control drive mechanism is arranged on the inner sleeve, can adjust the propulsion stroke length of the propeller, and can adjust the propulsion time of the propeller. The hand-held automatic hypodermic fixator can stabilize the injector, so the injection can be automatically done, thus providing better injection effect for patients.

The invention relates to a medicine injection device capable of achieving multiple times of injection. The medicine injection device comprises a shell, a plunger rod, a driving spring and a locking sleeve, wherein the plunger rod is axially and slidably installed on the shell, the driving spring is installed in the shell, and the locking sleeve is circumferentially and rotatably installed in the shell and sleeves the outer side of the plunger rod; a plunger convex part is arranged on the outer side of the plunger rod; the driving spring drives the plunger rod to always have a trend of moving in the injection direction; the locking sleeve is provided with a locking step structure which is used for allowing the plunger convex part to abut against so as to restrain the plunger rod from moving in the injection direction; and after the locking sleeve rotates by a specified angle in the unlocking direction, the plunger convex part is separated from the locking step structure, an injection stroke is formed between the plunger convex part and the next step surface of the locking step structure, and under the action of the driving spring, the plunger rod moves in the injection direction until the plunger convex part abuts against the next step surface of the locking step structure. The medicine injection device has the advantage that the pressure fluctuation applied to a piston of a clamping type bottle is small during injection.

The invention provides an injection device. The injection device comprises a shell body and an injection head which is disposed inside the shell body, wherein the injection head includes a one-way valve, an injection cavity which is communicated with the output end of the one-way valve, and at least two infusion tubes which are communicated with the input end of the one-way valve and gather in the injection cavity inside the one-way valve; the shell body includes a gripping part and an injection part, and the injection cavity stretches out of the injection part of the shell body and is removably connected with a syringe needle. The injection device is provided with a portable injection handle, and the whole shell body is jointly formed by a double-layer shell body, thereby the injection device is light in weight and easy to carry; a plurality of infusion tubes are communicated with the input end of the one-way valve, thereby the injection device can achieve a simultaneous mixed injection or a continuous injection in a specific order of a plurality of vaccines; simultaneously, the vaccines flow in one direction isolated-inside the infusion tubes, an infusion cavity, the one-way valve and the injection cavity, thereby resolving the backflow, contamination and leakage of the vaccines; besides, a heating component and a temperature sensor are arranged outside the infusion tubes, thereby the temperature of the vaccines can be controlled at any time and the injection quality is improved.

The invention relates to silkworm recombination baculovirus expressing a paraoxonase 1 gene and a preparation method and application thereof and belongs to the technical field of biopharmacy. By means of correlation technique of gene engineering, the paraoxonase 1 gene is built in a silkworm baculovirus expressing system, and then a silkworm bioreactor is used for expressing target protein. The silkworm bioreactor is used for expressing the paraoxonase 1 gene and conducting activity detection of the paraoxonase 1 gene, efficient expression of the protein is achieved, modification such as glycosylation is increased compared with the target protein expressed through prokaryotic expression, and foundation for further researching functions of the target protein is provided.

The invention discloses an application of extracellular vesicles in treatment of nerve injury erectile dysfunction. The invention provides an application of extracellular vesicles extracted from in-vitro human mesenchymal stem cells pretreated by melatonin in treatment of nerve injury erectile dysfunction for the first time. The extracellular vesicles are dissolved in a phosphate buffer solution to obtain an injection with the concentration of 5*10<10> particles per milliliter. Animal model experiments show that compared with extracellular vesicles which are derived from human mesenchymal stem cells and are not pretreated by melatonin, the extracellular vesicles extracted from the human mesenchymal stem cells pretreated by the melatonin have stronger effects of promoting vascular endothelial repair and nerve regeneration, and can better promote erectile function recovery. The invention solves the technical problem of penis vascular endothelium and nerve injury of patients with refractory erectile dysfunction, and provides a safe, effective and convenient therapeutic pharmaceutical preparation for treating erectile dysfunction.

The invention discloses an insulin syringe with a needle protection structure, and relates to the technical field of medical instruments. The lower side of the driving frame is screwed with the lower side of the outer ring wall of the medicine storage tube through a hinge, and the upper side of the driving frame is connected with the upper side of the outer ring wall of the medicine storage tube through a hasp; the sealing ring is fixed on the right side wall of the medicine storage pipe and the left side wall of the driving frame; the driving pipe is inserted and fixed on the right side wall of the driving frame; the piston plate is arranged in the driving frame; the push rod is fixed on the right side wall of the piston plate, and the other end of the push rod is arranged in the driving pipe in a penetrating manner; the driving mechanism is arranged on the outer side of the pushing rod; the protective sleeve is fixed on the left side wall of the medicine storage tube and sleeves the outer side of the discharge tube; the protective insertion tube is inserted into the outer peripheral wall of the protective sleeve; the connecting spring is embedded in the peripheral wall of the protective sleeve; the limiting mechanism is embedded in the outer side wall of the protective sleeve, and the needle head can be limited in the injection process, so that the needle head cannot incline, and injection is facilitated.

The invention discloses an intravenous injection method of a radiopharmaceutical. The intravenous injection method comprises the following steps: a venous channel is established by utilizing a remaining needle and is connected with one end of a three-way connector, and a normal saline infusion apparatus is connected with the other end of the three-way connector; an injector provided with the radiopharmaceutical is taken from a protection device, the air is discharged manually, and the injector is connected with a third end of the three-way connector; a switch control valve of the three-way connector is rotated, the normal saline output end is closed, the remaining needle end and the injector end are communicated, and the radiopharmaceutical is injected to the vein; the switch control valve of the three-way connector is rotated, the remaining needle end is closed, the normal saline end and the radiopharmaceutical injector end are communicated, and the normal saline is injected into the injector; and then the switch control valve of the three-way connector is rotated, the normal saline output end is closed, the injector end and the remaining needle end are communicated, residues in the remaining needle are flushed and are pushed into a patient body. By adopting the method provided by the invention, the dose injected into a patient is more accurate, and meanwhile, safety of medical personnel and patients can be protected.

The invention relates to an operation bed special for a celioscope inguinal hernia operation. The operation bed comprises a bedstead, a heating mattress, a headrest, a head frame, a hip joint limitingmechanism, a shoulder limiting mechanism, an arm swinging mechanism and a headrest regulating mechanism, wherein the heating mattress comprises a silica gel mat, a carbon fiber infrared ray heating wire embedded on the surface layer of the silica gel mat and a gel layer covered on the top surface of the silica gel layer; the arm swinging mechanism comprises a notch groove, a swinging plate and adriving assembly, wherein the notch groove is formed in a position corresponding to the arm placing position, on one side of the bedstead, the swinging plate is formed in the notch groove and is in pivot connection with the bedstead, and the driving assembly is used for driving the swinging plate to rotate around a pivoting point; the headrest regulating mechanism comprises a headrest bracket, a second driving motor arranged on the headrest bracket, a second screw rod connected with an output shaft of the second driving motor, a second nut block which cooperates with the second screw rod and asupporting rod; and the head frame comprises two horizontal rods which cross the bedstead, a transparent container arranged on the horizontal rods and a camera arranged in the transparent container.In accordance with the celioscope inguinal hernia operation, the multifunctional operation bed is designed, so that the operation efficiency is improved, and the operation risk of a patient is reduced.

The invention discloses a fixing device used for fixing the rat testis for injection. The fixing device comprises a positioning tube, wherein one end of the positioning tube is cone-shaped, a bearingtable is arranged at the other end of the positioning tube, a binding part is arranged in the positioning tube, a sliding groove is formed in the bearing table, a propping seat is arranged in the sliding groove, a propping cam is rotationally arranged on the propping seat, a hole seat is arranged on the bearing table, a U-shaped elastic binding arm is arranged on the hole seat in a swinging manner, two free ends of the elastic binding arm are bent to form inserting pins which are inserted into the hole seat, a first positioning groove, a first converging bulge, a second positioning groove, a second converging bulge and a third positioning groove are sequentially formed in the matched surface, attached to the outer wall of the hole seat, of the elastic binding arm, and the second positioning groove is deeper than the first positioning groove and the third positioning groove. The fixing device is simple in overall structure and can fix the rate testis, thereby facilitating cell transplantation tests.

The invention relates to a battery liquid injection device. The battery liquid injection device comprises a rack, a liquid injection mechanism, a jacking mechanism and a battery bearing mechanism; before liquid injection, the battery shell to be subjected to liquid injection can be placed in the battery bearing mechanism at the feeding station. Then, the jacking driving piece drives the supportingrod to ascend, and the supporting rod penetrates through the avoiding structure and jacks up the battery shell in the battery bearing mechanism until the jacked battery shell is in butt joint with the liquid injection nozzle, so that liquid injection is completed. Finally, as the supporting rod is driven by the jacking driving piece to reset, the jacked battery shell also resets. When the batteryliquid injection device is used for injecting liquid into the battery shell, the battery shell is always in the battery bearing mechanism and does not need to be transferred. Therefore, the carryingaction on the battery shell is reduced, and the liquid injection operation on the battery is more convenient.

The invention discloses an injection end structure of an injector and the injector and belongs to the technical field of injectors. The injection end structure of the injector comprises a fixing unit, an elastic unit, a switch unit and at least one needle, wherein the a finger ring hole allowing penetration of a finger is formed in the fixing unit, and the switch unit and the at least one needle are fixed on the fixing unit; the elastic unit comprises a fastening end fixedly connected with the fixing unit as well as a moving end capable of reciprocating under the action of external force and own elasticity to trigger the switch unit. The injector comprises the injection end structure and a liquid supply assembly. The injection end structure of the injector meets the requirement of ergonomics and is quite small in size, liquid medicine can be injected timely through the cooperation of the elastic unit and the switch unit, the injection efficiency is high, and injection is convenient.

The invention discloses a method for foaming a partial insulating layer of a pallet, including the following steps: assigning foaming holes and air exit hole sets on the outer surface of the box position needed to be foaming, wherein each foaming hole and air exit hole set positions one foaming hole and more than one air exit hole; arranging each foaming hole and air exit hole set in the same horizon, which lies in the commanding height of the foaming section; injecting quantitative liquid foaming material from foaming holes; while said air exit holes begin to bubble, holding the inner and outer surface of the foaming section box with jig immediately, removing the jig after the foam expansion curing to meet the needs of art requirement. Because of the process of assigning foaming holes and air exit hole sets and injecting liquid foaming material afterwards, performed without jig limiting the foaming section of the box, relative operations, especially injection, is quite simple. Moreover the adhesive force between the foaming and box inner surface is enhanced further, which can guarantee intensity, and is good for improving foaming effect.

The invention discloses a mouse caudal vein combination intraperitoneal injection fixing device. The mouse caudal vein combination intraperitoneal injection fixing device comprises a base, a structurestraight pipe and a clamping mechanism for clamping a small mouse, the structure straight pipe is fixed on the base, the clamping mechanism comprises a plurality of groups of guiderails, a pluralityof clamping plates slipping on the guiderails to form a size adjustable annular structure, a tail cover provided with an internal thread, and a push rod, wherein the structure straight pipe is provided with an external thread, the internal thread and the external thread are meshed, an annular slide groove is formed in the tail cover, a trapezoidal slide block is connected on the clamping plate, atrapezoidal slide groove is formed in the structure straight pipe, the other end of the push rod extends into the trapezoidal slide groove to be connected with the trapezoidal slide block, then the trapezoidal slide block is pushed to slip in the trapezoidal slide groove when the tail cover rotates, the clamping plates are driven to get close to get away, so that the small mouse is clamped or released. The small mouse is fixed through the above structure, the clamping force on the small mouse is not changed in the operation process, and the small mouse is not killed because of misoperation.

The invention discloses a low-carbon environmental-friendly toilet paper recycling device. The device comprises a drying box, a pulverizing box, a pulping kettle, a first conveying device and a secondconveying device, the first conveying device is arranged on one side of the drying box, the other end of the first conveying device penetrates through the other side of the drying box, one end of thesecond conveying device is arranged below the other end of the first conveying device, and the other end of the second conveying device is arranged above the pulverizing box. According to the low-carbon environmental-friendly toilet paper recycling device, not only can drying operation be conducted on toilet paper by the drying box, but also high-temperature sterilization and disinfection can beconducted, pulverizing is conducted through the pulverizing box, finally mechanical energy driven pulping can be conducted on pulverized toilet paper in the pulping kettle, and therefore the toilet paper can be recycled and reused. The structure of the device is simpler to facilitate the operation of a user, not only is the pollution on the environment reduced, but also the waste of resources is prevented.

The invention provides a steel shell button cell and a preparation method thereof. The preparation method of the steel shell button cell comprises the following steps: carrying out punching forming operation on atop cover assembly, a bottom shell and a sealing cover, wherein a containing cavity, a containing opening and a liquid injection opening are punched in the bottom shell, and the liquid injection opening and the containing opening are formed in the two sides of the bottom shell respectively; carrying out first welding operation on a positive tab in the battery cell assembly and the top cover assembly; carrying out second welding operation on a negative tab in the battery cell assembly and the bottom shell; putting the battery cell assembly into the bottom shell, and carrying out cover closing operation; performing first laser welding operation on the edges of the top cover assembly and the bottom shell to obtain a battery to be injected with liquid; performing electrolyte injection operation on the battery to be injected under a vacuum condition; and covering the liquid injection opening with the sealing cover, and carrying out second laser welding operation on the sealing cover and the bottom shell under a vacuum condition to obtain the steel shell button cell. The preparation method of the steel shell button cell can effectively prevent liquid leakage and improve the welding effect.

The invention belongs to the technical field of safety accessories of injectors, and particularly relates to an injection protection device for an intramuscular injection. The injection protection device achieves the purpose of simple, efficient and accurate intramuscular injection operation by arranging a limiting ring for insertion, an inner tube unit, a spring unit and a radial clamping plate unit on a protective outer tube. The injection protection device has the advantages that the structure of the protection device is reasonable and effective, the insertion action of the injector is not too deep, too fast or inclined easily during intramuscular injection, the action of firstly clamping an inner tube to the bottom and then inserting the injector into the muscle is simple and efficient, the injector has a clamping anti-return effect after a needle is inserted in place, a needle cylinder of the injector does not need to be held and fixed, the protection device is suitable for injectors with needle cylinders with different thicknesses, and the whole intramuscular injection operation is more accurate, sanitary and convenient.

The invention provides a syringe needle and a syringe. The syringe needle comprises a needle body and a needle base, and the needle body is connected with the needle base. The syringe needle further comprises a protective sleeve which is movably connected to the needle base through a connecting unit and arranged on the inner side of the needle base. When the protective sleeve stays in a retractedstate, the distance between the end, close to a needle point, of the protective sleeve and the needle base is smaller than the distance between the needle point and the needle base; when the protective sleeve stays in an open state, the distance between the end, away from the needle base, of the protective sleeve and the needle base is greater than the distance between the needle point of the needle body and the needle base;. That is to say, through arrangement of the protective sleeve on the needle base, when the protective sleeve stays in the open state, the whole needle body is positioned in the protective sleeve, so that the problem is avoided that the hands touch the needle body by accident and are thus pricked when medical workers or patients take off the syringe needle or under other conditions when the syringe needle is touched. At the same time, this form of protective sleeve only needs to be opened when it is needed. Compared with the prior art, the syringe needle has the advantages that the operation process is more convenient and fast, and correspondingly the user experience is better.

The invention relates to a cover body structure of a storage battery, and solves the problems of difficult liquid injection in the storage battery and low exhaust performance caused by the fact that a cover body structure of the storage battery in the prior art is unreasonable. According to the cover body structure of the storage battery provided by the invention, a groove is formed in a cover body, a boss is arranged on the bottom wall of the groove, a liquid injection hole is formed in the boss, a groove body is further formed in the cover body, an inclined opening is formed in the part, positioned inside the groove body, of the boss, an exhaust groove is formed in the side wall of the liquid injection hole, the cross section of the exhaust groove is V-shaped, and the width of the upper end of the exhaust groove is smaller than that of the lower end of the exhaust groove; compared with the prior art, liquid easily enters into the interior of the storage battery due to the existence of the inclined opening and the exhaust groove in the liquid injection process, so that the liquid injection performance of the storage battery is greatly optimized, gas inside the storage battery can be exhausted conveniently by using the exhaust groove in the liquid injection process, and the liquid injection operation of the storage battery is facilitated.

The invention relates to the field of medical equipment, in particular to a fixed-wing cardiovascular puncture device with a blood coagulation function. The fixed-wing cardiovascular puncture device comprises a disinfecting assembly, a needle tube assembly, a fixing device, an infusion tube assembly and a puncture needle; the disinfecting assembly is communicated with the needle tube assembly, theneedle tube assembly is communicated with the puncture needle, the infusion tube assembly is unidirectionally communicated with the needle tube assembly, the disinfecting assembly is used for cleaning and disinfecting a guide wire, the needle tube assembly is used for fixing the guide wire, the fixing device is used for positioning the puncture device, and the infusion device is used for anesthetic injection. The displacement of the puncture device in the puncture process is avoided, the guide wire can be disinfected, anesthetic can be supplemented again when the anesthetic efficacy is lost in the in-vivo intervention process of the guide wire, and the situation can be avoided that a lot of blood flows out of a needle holder opening when a syringe is disassembled.

The invention relates to the field of medical equipment, in particular to an anesthesiaintervened puncture outfit which comprises a disinfection assembly, an interventional medicine carrying device, aneedle tube assembly, an infusion tube assembly and a puncture syringe needle. The disinfection assembly and the interventional medicine carrying device are detachably connected, the interventional medicine carrying device is in assembled connection with the needle tube assembly, the needle tube assembly is communicated with the puncture syringe needle, and the infusion tube assembly is in one-way communication with the needle tube assembly. The disinfection assembly is used for cleaning and disinfection of a guiding wire, the interventional medicine carrying device is used for sticking interventional medicine to the guiding wire, the needle tube assembly is used for fixing the guiding wire, and an infusion device is used for anesthesia injection. The anesthesiaintervened puncture outfitis simple in structure, convenient to operate and capable of fixing the guiding wire and conducting disinfection treatment on the guiding wire, avoids the phenomenon that much blood flows from asyringe needle seat orifice when an injector is dismounted, and can bring interventional medicine to the affected part to be treated through the guiding wire.

The invention discloses a mouse spinal tuberculosis model construction platform comprising an injection table and a cooling tank for cooling a syringe, wherein the injection table is provided with a limiting portion for limiting the movement of a mouse, and the cooling tank is provided with a positioning portion for horizontally placing the syringe. The mouse spinal tuberculosis model constructionplatform has the advantages of convenience and accuracy in operation, good reliability, high mold formation rate and short mold forming time and the like.

The invention provides a syringe needle and a syringe. The syringe needle comprises a needle body and a needle base, and the needle body is connected with the needle base. The syringe needle further comprises a protective sleeve which is arranged on the outer side of the needle base and movably connected to the needle base through a connecting unit. When the protective sleeve stays in an open state, the distance between the end, away from the needle base, of the protective sleeve and the needle base is greater than the distance between a needle point of the needle body and the needle base; when the protective sleeve stays in a retracted state, the distance between the end, close to the needle point, of the protective sleeve and the needle base is smaller than the distance between the needle point and the needle base. That is to say, through arrangement of the protective sleeve on the needle base, when the protective sleeve stays in the open state, the whole needle body is positioned inthe protective sleeve, so that the problem is avoided that the hands touch the needle body by accident and are thus pricked when medical workers or patients take off the syringe needle or under otherconditions when the syringe needle is touched. At the same time, this form of protective sleeve only needs to be opened when it is needed. Compared with the prior art, the syringe needle has the advantages that the operation process is more convenient and fast, and correspondingly the user experience is better.

The invention relates to a refrigerator and a liquid storage device of same; the liquid storage device comprises a liquid storage box and a liquid storage case; a liquid storage room is limited in the liquid storage box; the liquid storage case comprises a liquid injection port and a liquid charging port, and is rotatably arranged on the liquid storage box around a vertical axis, thus allowing the liquid injection port to have an initial position on the inner side of the outer surface of the liquid storage box side wall and a liquid injection position on the outer side of the outer surface of the liquid storage box side wall; the liquid injection port turns to the liquid injection position, thus receiving external liquid entering the liquid storage room through the liquid injection port and the liquid charging port; in addition, the invention also relates to the refrigerator having the liquid storage device; the refrigerator and the liquid storage device can conveniently carry out liquid injection operation, and certain space above the liquid storage device in the refrigerator is not needed, thus improving refrigerator inner storage space utilization rate.