30 results about "Vacuum extraction" patented technology

An anti-hemorrhaging device includes an elongate body, a flexible looped segment, a shield, and an inflatable seal. The elongate body is configured to attach to a vacuum source. The flexible looped segment is attached to the elongate body includes a plurality of holes on an inner circumference thereof. The flexible looped segment is configured to be placed in a uterus. Activation of the vacuum source is configured to pull vacuum through the plurality of holes so as to collapse the uterus upon insertion of the elongate body into the uterus. The shield is folded around an exterior circumference of the looped portion and has edges that extend radially inwards relative to the flexible looped distal section. The shield is configured to prevent tissue from occluding the plurality of holes when vacuum is applied. The inflatable seal is attached to the elongate body and is configured to seal the uterus.

The invention discloses a stomach bypass stent conveying device with externally-adjusted rigidity and a stent conveying system, and relates to the field of medical instruments. The device comprises a small release ball, a storage tube, an outer tube, a handle and a rigidity regulator, the rigidity adjuster comprises an outer sleeve and an air pipe, the outer sleeve comprises a first adjusting pipe and a second adjusting pipe which are coaxially arranged, the second adjusting pipe is sleeved with the first adjusting pipe, an outer sleeve inner cavity is formed between the first adjusting pipe and the second adjusting pipe, and the air pipe is communicated with the outer sleeve inner cavity so that the outer sleeve inner cavity can be inflated or vacuumized. The second adjusting pipe is slidably arranged on the outer pipe in a sleeving mode. When the inner cavity of the outer sleeve is filled with air, the stomach bypass stent conveying device with externally adjusted rigidity is in a flexible state; when the inner cavity of the outer sleeve is vacuumized, the stomach bypass stent conveying device with the externally-adjusted rigidity is in a rigid state. The rigidity of the gastric bypass stent conveying device is adjusted by adjusting the vacuum state in the inner cavity of the outer sleeve, and the storage tube can conveniently enter a scotodoor.

The utility model discloses a maternal and infant disinfection cabinet with bacteriostatic storage, which comprises a shell, a disinfection cavity and a storage cavity which are mutually independent are arranged in the shell, the disinfection cavity comprises a disinfection inner container and a first sealing door, a heating device is arranged at the bottom of the disinfection inner container, the storage cavity comprises a storage inner container and a second sealing door, and a vacuumizing device is arranged on the periphery of the storage inner container. And the air exhaust end of the vacuumizing device is communicated with the storage cavity. According to the storage cabinet, the disinfection cavity and the storage cavity are independently arranged, so that the storage cabinet has a disinfection function, disinfected articles are put into the storage cavity for vacuum storage, and the risk that the articles are polluted can be reduced; the storage cavity and the disinfection cavity which are independent from each other do not interfere with each other during working, so that the practicability of multi-cavity disinfection and vacuum storage is improved; meanwhile, the space utilization rate of the disinfection cavity is improved in a mode that the disinfectant is gasified by the heating device.

The invention relates to the technical field of breast pumps, in particular to a wearable integrated breast pump which comprises a milk receiving bowl, a horn cover arranged at a bowl opening of the milk receiving bowl, an elastic diaphragm and a main machine, the horn cover extends towards the interior of the milk receiving bowl to form a circulation part, and a three-way end is formed in the circulation part; the three-way end comprises a first port, a second port and a third port, the first port is communicated with the circulation part, the second port is matched with the elastic diaphragm, the third port is communicated with a milk receiving container and is provided with a check valve, the elastic diaphragm is integrally connected to the milk receiving bowl, a vacuumizing cavity is correspondingly formed in the elastic diaphragm, and a main machine is detachably connected to the outside of the milk receiving bowl. The milk receiving bowl and the main machine are spliced and combined to form an integrated structure with a regular shape, and an air pump matched with the vacuumizing cavity for suction is arranged in the main machine. The breast pump effectively solves the technical problems that a main machine and a milk receiving bowl of an existing breast pump are separated and inconvenient to use, and milk is sucked into the main machine.

The invention discloses a liquid stirring and heating device which comprises a main machine, a container, a stirring unit and a heating unit, a clamping groove is formed in the top end of the main machine, the heating unit is arranged in the clamping groove, the stirring unit is arranged in the main machine, the container is provided with a heat conduction piece matched with the heating unit, and a stirring piece matched with the stirring unit is arranged in the container. According to the liquid stirring and heating device disclosed by the invention, the heating unit is in contact with the heat-conducting fin to realize conduction heating of liquid in the container, the stirring unit drives the stirring piece to operate to realize stirring of the liquid in the container, and finally, the liquid in the container is stirred while being heated, so that the liquid in the container can be uniformly heated; in addition, the interior of the container can be vacuumized through the vacuumizing unit, liquid in the container cannot generate foam when being stirred by vacuumizing the interior of the inner container, and therefore the infant can drink the liquid conveniently and absorb nutrition conveniently.

The invention relates to a fetal head suction midwifery device for the obstetrics and gynecology department and belongs to the technical field of medical instruments. The fetal head suction midwifery device for the obstetrics and gynecology department comprises a supporting cylinder, an adsorption head and an adjusting assembly, a piston is slidably connected to an inner cavity of the supporting cylinder, and the two sides of the piston are connected with an air suction cylinder and an extension cylinder respectively; the adsorption head annularly surrounds the periphery of the supporting cylinder and comprises a fixed cylinder and an elastic cylinder, the fixed cylinder is connected with the supporting cylinder, and the elastic cylinder is arranged on the side, away from the supporting cylinder, of the fixed cylinder; the adjusting assembly is arranged in an inner cavity of the fixing cylinder and comprises a limiting cylinder, an adjusting block and a plurality of connecting ropes, the limiting cylinder is connected with the fixing cylinder, a plurality of clamping grooves distributed in the axial direction of the limiting cylinder are formed in the inner wall of the limiting cylinder, the adjusting block is slidably connected with the inner cavity of the limiting cylinder, a clamping rod is arranged in the adjusting block and used for being clamped with the clamping grooves, and one ends of the connecting ropes are connected with the adjusting block. The other end is connected with the elastic cylinder; and the connecting rope is configured to be tightened under stress so as to reduce the diameter of the elastic cylinder, or released under unloading so as to increase the diameter of the elastic cylinder.

The utility model relates to the technical field of breast pumps, in particular to a milk taking device which comprises a milk receiving bowl, a horn cover arranged at a bowl opening of the milk receiving bowl and an elastic diaphragm, the horn cover extends towards the interior of the milk receiving bowl to form a circulation part, a three-way end is formed at the tail end of the circulation part, and the elastic diaphragm is arranged at the tail end of the three-way end. The three-way end comprises a first port, a second port and a third port, the first port is communicated with the circulation part, the second port is matched with the elastic diaphragm, and the third port is communicated with a milk receiving container and is provided with a check valve; the elastic diaphragm is integrally connected to the milk receiving bowl, a vacuumizing cavity is correspondingly formed in the elastic diaphragm, an air hole used for being communicated with an air pump and a through hole used for being communicated with the outside are formed in the cavity wall of the vacuumizing cavity, and a detachable rear cover is arranged at the position of the through hole. The breast pump effectively solves the technical problems that an existing breast pump is complex in internal structure and high in production and installation cost, and milk can be sucked into an air pump.

The present application relates to the technical field of breast pumps, and in particular, to a wearable integrated breast pump. The wearable integrated breast pump comprises a milk collection cup, a horn-shaped shield disposed at a cup mouth of the milk collection cup, an elastic diaphragm, and a main unit. The horn-shaped shield extends towards the interior of the milk collection cup to form a flow passage section. The flow passage section is formed with a three-way end, and the three-way end comprises a first port, a second port, and a third port. The first port is in communication with the flow passage section, the second port interfaces with the elastic diaphragm, and the third port is in communication with a milk collection container and is provided with a check valve. The elastic diaphragm is integrally connected to the milk collection cup, and the elastic diaphragm correspondingly forms a vacuum chamber. The main unit is detachably connected to the outside of the milk collection cup. The milk collection cup and the main unit are assembled and combined to form a regularly shaped integrated structure. An air pump, which cooperates with the vacuum chamber to perform suction, is disposed in the main unit. The present application effectively solves the technical problems in existing breast pumps where the main unit and the milk collection cup are separate, making them inconvenient to use, and where milk may be drawn into the main unit.

The utility model relates to a self-turning body-position-adjustable anti-bedsore massage air cushion, belongs to the technical field of medical instruments, and solves the problem that the posture of an existing inflatable air cushion cannot be adjusted according to the requirements of a patient. The self-turning-over body-position-adjustable anti-bedsore massage air cushion is divided into three layers, the bottommost part is the anti-bedsore air cushion layer, the middle part is the self-turning-over auxiliary air cushion layer, the uppermost part is the massage cushion, and the massage cushion can provide acupoint stimulation. The air inflation pump, the vacuum pump, the controller and the plurality of sets of electromagnetic valves are arranged, so that different air bag modules can be quickly switched to inflate or vacuumize, and the overall posture of the mattress can be adjusted. According to the utility model, the functions of assisting a patient in turning over and adjusting sitting and lying postures are realized.

The application discloses a vacuum leakage structure, a vacuum pump assembly and a breast pump. The vacuum leakage structure comprises a working cavity with a leakage port, a sealing baffle shielding the leakage port, and a leakage transmission assembly driving the sealing baffle away from the leakage port. The power of the leakage transmission assembly is provided by the pressure difference between the inside and outside of the working cavity or by the pump shaft of the vacuum pump. The breast pump comprises a milk collection hood, a diaphragm, and a vacuum pump assembly. The vacuum pump is used to form a sealed chamber on the diaphragm and deform the diaphragm by vacuumizing the sealed chamber. The leakage port is communicated with the sealed chamber where the diaphragm is located through the working cavity. The sealed chamber gradually restores the shape when the leakage port is opened. The application can effectively reduce the heat generation of the breast pump during operation, improve the user's use feeling, and the design principle of the leakage transmission assembly is based on mechanical structure transmission. The structure part replaces the electromagnetic valve in the prior art, reduces the number of electric control elements of the breast pump, and effectively reduces the production cost.

The invention belongs to the technical field of effusion extraction, and particularly relates to an effusion extraction device for tumor nursing, which comprises a storage tank, the top end of the storage tank is in threaded connection with a sealing cover, an inner cavity is arranged between the inner wall of the storage tank and the inner top wall of the sealing cover, and the top wall of the sealing cover is fixedly communicated with a communicating pipe, a detection pipe and an electromagnetic air inlet valve. The inner cavity is communicated with an external air source through an electromagnetic air inlet valve, the inner cavity is communicated with the atmosphere through a communicating pipe, the top end of the communicating pipe is fixedly communicated with an extraction pipe, and the other end of the extraction pipe is connected with a liquid extraction needle in a clamped mode; the accumulated liquid is extracted in a vacuum extraction mode, thick accumulated liquid and impurities are scattered when the accumulated liquid is extracted, the extraction pipe is effectively prevented from being blocked, the continuity of accumulated liquid extraction is guaranteed, external air is introduced to balance air pressure and scatter the impurities when the extraction pipe is blocked, and when the accumulated liquid is completely extracted, the external air is introduced to balance air pressure and stop extraction; and unnecessary damage to tissues is avoided.

The utility model relates to the field of mother and baby products, in particular to a sucking type horn cover assembly and a breast pump, the sucking type horn cover assembly comprises a horn cover and a sealing support used for assembling the horn cover, and the horn cover comprises an attaching portion used for attaching a breast and a deformation portion connected with the attaching portion. An air pressure cavity is defined by the outer wall of the horn cover and the sealing support and located in the position close to the opening direction of the horn cover, and when the air pressure cavity is connected with an external vacuumizing device to form a negative pressure space, the deformation part generates elastic deformation. The air pressure cavity is defined by the outer wall of the horn cover and the sealing support, the air pressure cavity is located at the position close to the opening direction of the horn cover, when the vacuumizing device acts on the air pressure cavity, the air pressure cavity forms a negative pressure space, at the moment, the deformation part can elastically deform, and the horn cover can be directly attached to breast tissue; better deformation and massage effects are achieved, discomfort generated during breast pumping can be reduced, and the breast pumping efficiency can be improved.

The utility model relates to the technical field of breast pumps, in particular to a breast pump which comprises a milk receiving bowl, a horn cover arranged at a bowl opening of the milk receiving bowl and an elastic diaphragm, the horn cover extends towards the interior of the milk receiving bowl to form a circulation part, a three-way end is formed at the tail end of the circulation part and comprises a first port, a second port and a third port, and the first port is communicated with the second port. The first port is communicated with the circulation part, the second port is matched with the elastic diaphragm, and the third port is communicated with a milk receiving container and is provided with a check valve; the elastic diaphragm is integrally connected to the milk receiving bowl, a vacuumizing cavity is correspondingly formed in the elastic diaphragm, and an air hole used for being communicated with an air pump is formed in the cavity wall of the vacuumizing cavity. The breast pump effectively solves the technical problems that an existing breast pump is complex in internal structure and high in production and installation cost, and milk can be sucked into an air pump.

The utility model relates to the technical field of breast pumps, in particular to a milk taking device which comprises a milk receiving bowl, a horn cover arranged at a bowl opening of the milk receiving bowl and an elastic diaphragm, the horn cover extends towards the interior of the milk receiving bowl to form a circulation part, a three-way end is formed at the tail end of the circulation part and comprises a first port, a second port and a third port, and the first port is communicated with the second port. The first port is communicated with the circulation part, the second port is matched with the elastic diaphragm, the third port is communicated with a milk receiving container and is provided with a check valve, the elastic diaphragm and the milk receiving bowl are integrally arranged, a vacuumizing cavity is correspondingly formed in the elastic diaphragm, the vacuumizing cavity can be communicated and matched with an external air pump, and the check valve and the milk receiving bowl are integrally arranged. The breast pump effectively solves the technical problems that an existing breast pump is complex in internal structure, and milk can be sucked into an air pump.

The utility model relates to a batch vacuum plug adding device, which comprises a closed chamber, a plug adding device, a plug adding device, a plug adding device, a plug adding device, a plug adding device and a plug adding device, and is characterized in that the closed chamber is provided with a door body; the vacuum pump is communicated with the closed chamber and is used for vacuumizing the closed chamber; the needle tube frame is arranged in the closed cavity, and a plurality of containing holes used for containing pre-filling needles are formed in the needle tube frame; and the plugging mechanism is arranged in the closed cavity and is opposite to the needle tube frame. According to the designed batch vacuum plug adding device, the structures of the needle tube frame and the rubber plug disc are adopted to achieve batch plug adding, the rubber plugs are automatically pushed into the pre-filling needle tubes through the vacuum environment and the pressure difference, and therefore automation, batch and high efficiency of pre-filling needle plug adding are achieved, plug adding efficiency and precision are remarkably improved, the plug adding failure rate is reduced, and the product quality is improved. In addition, the sterility in the plug adding process is guaranteed, and the labor intensity of operators and the use cost are reduced.

The present application relates to the field of urinary catheterization device, in particular to a fall-preventing urinary catheterization device for pediatric urology. The device comprises a connector, a connecting head fixedly connected to the connector, a vacuum pump detachably and sealingly connected to one end of the connector, a blocking valve arranged on the connector between the vacuum pump and the connecting head, and a catheter with one end detachably and sealingly connected to the other end of the connector and the other end fixedly connected to a housing. A float is slidingly arranged on the end of the housing away from the catheter, and a plurality of urine discharge holes are evenly arranged on the circumference of the end of the housing away from the catheter. The float can seal and block the urine discharge holes when in contact with the housing. The vacuum pump can create a vacuum in the catheter before the catheter is inserted, so that the catheter can be reduced in diameter, which facilitates the insertion of the catheter and reduces the pain of the patient during the insertion of the catheter, and prevents the catheter from causing damage to the urethral mucosa.

The utility model provides a steam sterilization device, which comprises a steam sterilization main body and an air supply pipeline, and further comprises an outlet pipeline, an air supply pipeline and an air supply pipeline, the automatic on-off valve, the heat exchanger and the vacuum pump are sequentially arranged on the outlet pipeline; the automatic opening and closing valve is provided with a condensate water drainage hole; the vacuum pump is used for sucking or discharging gas or a gas-liquid mixture from the outlet of the main body and is provided with a suction inlet and a discharge outlet; the heat exchanger is used for condensing gas or a gas-liquid mixture from the outlet of the main body and is provided with a first heat exchange flow path and a second heat exchange flow path which are correspondingly arranged, and the two ends of the first heat exchange flow path communicate with the automatic opening and closing valve and the suction inlet correspondingly; and the first medium supply mechanism is used for providing heat exchange fluid, and an outlet of the first medium supply mechanism communicates with the second heat exchange flow path. According to the utility model, the vacuumizing time and the drying time are shortened, and the pipeline structure is simplified.

The application discloses a device for simply measuring vacuum degree of a PET bottle, and relates to the field of vacuum degree measuring devices.The device comprises a PET bottle, a bottle opening is arranged on the PET bottle, an outer thread is arranged on the outer surface of the bottle opening, a bottle cap is screwed on the outer thread, and a vacuum measuring mechanism is arranged on the bottle cap.The bottle cap with the hot melt glue fixed is screwed on the bottle opening of the bottle to be measured, the needle cylinder with the needle cylinder piston returned to zero is inserted into the conical needle head protection sleeve, the conical needle head protection sleeve is sealed, the pull ring is pulled, the needle cylinder piston shaft can be pulled out until the bottle is deformed, the scale of the rising of the needle cylinder piston is recorded, and the scale is read out.The simple vacuum pumping device is designed, the market food-grade needle tube is adopted, the standard bottle cap is matched, the vacuum test can be realized under the sealing and reinforcement of the hot melt glue, the device is characterized by simple operation, accurate measurement and low price.

The utility model discloses a multi-cavity disinfection and vacuum storage cabinet for mothers and infants, which is characterized in that a plurality of independent inner cavities are arranged in a shell and at least comprise a vacuum storage cavity and a disinfection cavity, and a disinfection module is arranged in the disinfection cavity; the vacuum storage cavity comprises a cavity body, a sealing cover is arranged at the top of the cavity body, an air inlet communicated with the outside is formed in the sealing cover, and a sealing valve is arranged in the air inlet and used for opening or blocking the air inlet; and a vacuumizing device communicated with an air exhaust nozzle of the vacuum storage cavity is also arranged outside the vacuum storage cavity. The vacuum storage cavity comprises the relatively independent storage cavity, and the storage cavity is in a vacuum state through the vacuum device, so that bacteria in the storage cavity are prevented from being massively propagated, and the reliability of the vacuum storage cavity is effectively improved.

The utility model discloses a vacuum sterilizer for probiotic processing, which comprises an upper cover mechanism and a vacuumizing device installed on one side of the top of the upper cover mechanism, the bottom of the upper cover mechanism is provided with a material mixing mechanism, one side of the material mixing mechanism is provided with a sterilizing device, the upper cover mechanism comprises an upper cover body, and the upper cover body is provided with a vacuum pump. A top sealing ring is fixedly installed at the bottom of the upper cover body, one side of the top sealing ring is rotationally connected with a connecting hinge, a supporting cover is fixedly installed in the center of the top of the upper cover body, lifting fixing columns are fixedly installed on the periphery of the top of the supporting cover, and a supporting top plate is fixedly installed on the tops of the lifting fixing columns. The unlocking pull ring is pulled to drive the fixed clamping block to move, when the fixed clamping block is separated from the bottom sealing ring, the upper cover body can be opened, the fixed clamping block and the bottom sealing ring are connected in a clamped mode under the elastic force effect of the fixed spring, and therefore fixed sealing of the upper cover body is achieved.

The utility model relates to a trachea cannula bag provided with a micropore anesthesia spraying pipe. The trachea cannula bag solves the problems that in the prior art, a trachea cannula bag is not flexible enough to unseal and poor in functionality. The trachea cannula bag comprises a cannula bag main body, a loading box body for loading trachea cannulas is arranged in the cannula bag main body, the loading box body is provided with a plurality of loading cavities, the upper side of the cannula bag main body is connected with a spraying pipe loading structure for loading microporous anesthesia spraying pipes, the lower side of the cannula bag main body is connected with a disinfection assembly, and two sides of the cannula bag main body are provided with quick release structures. And vacuumizing connecting mechanisms communicated with the loading cavity are arranged at the two ends of the intubation bag main body. The packaging box has the advantages of being convenient and flexible to unseal, rich in function and more convenient to take and use.

The utility model discloses a sealing device which comprises a shell, a vacuumizing pipeline and a vacuum sealing piece, the shell is connected with the vacuumizing pipeline, and the vacuum sealing piece is arranged in the shell to control connection and disconnection of the shell and the vacuumizing pipeline. The shell internally comprises a first cavity and a second cavity, the first cavity is connected with the vacuumizing pipeline, and the vacuum sealing element can be clamped in the first cavity so as to control connection and disconnection of the first cavity and the vacuumizing pipeline; the second cavity communicates with the outside of the shell, a control piece is arranged in the second cavity, and the control piece controls movement of the vacuum sealing piece so as to control connection and disconnection of the first cavity and the vacuumizing pipeline. By arranging the sealing device connected with the vacuum layer of the catheter, after the control piece is controlled to close the vacuumizing channel, the catheter can keep the high-vacuum state of the vacuum layer in the working state without being externally connected with vacuumizing equipment in the surgical treatment process.

The invention relates to a heel blood collection pen which sequentially enables vacuuming, puncturing, wiping the first blood, taking the blood into the tube and then impregnating to the Guthrie paper. Thanks to the heel blood collection pen subject to the invention, the squeezing process performed for tissue perfusion in the heel blood collection procedure is terminated, thus completely eliminating the pain that will occur in the newborn with this procedure. With the use of a mechanical lancet at the puncture stage, there is no need to repeat the procedure throughout the entire intervention and the procedure time is minimized. In addition, since the invention is developed in pen format, it is practical and can be easily applied by the nurse. Furthermore, thanks to the increase in the volume of the blood tube in the invention, the nurse does not need to perform repeated procedures during the blood collection and impregnation to the Guthrie paper, thus eliminating the waste of time.

The breast feeding assistor comprises a nipple correction cover and a negative pressure pump, the nipple correction cover comprises a hard outer cover and a flexible inner cover, the hard outer cover and the flexible inner cover are both in a horn shape, the flexible inner cover is coaxially arranged in the hard outer cover, a first opening is formed in the large end of the flexible inner cover, and a second opening is formed in the large end of the flexible inner cover. A second opening is formed in the small end of the flexible inner cover; the first opening is suitable for covering the breast and being attached and sealed to the breast, and the second opening is suitable for allowing the nipple to be exposed and being attached and sealed to the peripheral area of the nipple; the hard outer cover is provided with a negative pressure interface which is the same as the inner space of the flexible inner cover, and the negative pressure interface is connected with a negative pressure pump, so that the flexible inner cover is vacuumized through the negative pressure pump to generate a negative pressure effect, and the flexible inner cover is forced to extrude the milk powder so as to expose the nipples from the second opening. The breast feeding assist device can effectively help a puerpera with nipple defects to overcome breast feeding obstacles.

The invention discloses a corrugated pipe SIP (Session Initiation Protocol) device in a freeze dryer case and a sterilization method. The corrugated pipe SIP device comprises a steam sterilization assembly and a vacuumizing assembly, the vacuumizing assembly is communicated with the interior of the equipment and is used for vacuumizing the equipment; and the steam sterilization assembly is communicated with the equipment and is used for performing high-temperature sterilization on a plate layer lifting oil cylinder corrugated pipe, a discharging push rod corrugated pipe and a main valve corrugated pipe in the equipment. The vacuumizing assembly comprises a vacuum pump, and the output end of the vacuum pump is communicated with the equipment through a vacuum pipeline; and a vacuum pump head valve is arranged on the vacuum pipeline. The device further comprises a hose guide port valve and a hose opening valve. The hose guide port valve is arranged on the vacuum pipeline, and the other end of the hose guide port valve is connected with the hose opening valve. The corrugated pipe SIP device in the freeze dryer case and the sterilization method aim to overcome existing defects, and the temperature of hydraulic oil of an SIP sterilization hydraulic system is not affected.

An anti-hemorrhaging device includes an elongate body, a flexible looped segment, a shield, and an inflatable seal. The elongate body is configured to attach to a vacuum source. The flexible looped segment is attached to the elongate body includes a plurality of holes on an inner circumference thereof. The flexible looped segment is configured to be placed in a uterus. Activation of the vacuum source is configured to pull vacuum through the plurality of holes so as to collapse the uterus upon insertion of the elongate body into the uterus. The shield is folded around an exterior circumference of the looped portion and has edges that extend radially inwards relative to the flexible looped distal section. The shield is configured to prevent tissue from occluding the plurality of holes when vacuum is applied. The inflatable seal is attached to the elongate body and is configured to seal the uterus.

The invention discloses a method for manufacturing a vacuum kettle with an upturned spout. The spout and the kettle body are integrally formed, the upturned amplitude of the spout is large, the pouring performance is good, and the personalized needs can be met. The processing steps are as follows: S1: taking a circular sheet, and stretching and forming the circular sheet to process a mouth blank; S2: cutting a flat bottom at the lower end of the mouth blank to form a lower connecting port; S3: cutting a spout at the upper end of the mouth blank to form an upwardly tilted spout; S4: taking an inner liner body and an inner liner bottom, and welding the inner liner body and the inner liner bottom; S5: taking an outer shell, and inserting the inner liner into the outer shell, and welding the upper port of the inner liner to be located 2 to 10 mm below the upper connecting port of the outer shell; S6: welding and connecting the lower connecting port of the mouth with the upper connecting port of the outer shell; S7: welding and connecting the upper port of the outer shell bottom with the lower port of the outer shell; S8: vacuuming; S9: polishing the outer surface of the vacuum kettle.

The present invention provides a semi-automatic thrombus negative pressure aspiration device, which is mainly composed of a vacuum pump, a vacuum air bag, a handheld driver, an outer tube pressure regulating valve, a Y-shaped connector, an inner tube pressure regulating valve, an inner tube feeding mechanism, and a push-and-shake feeding device. The vacuum pump is used to maintain a set vacuum degree in the vacuum air bag. An outer tube pressure regulating valve and an inner tube pressure regulating valve are provided to adjust the pressure of the inner tube and the combined tube respectively. In the process of aspirating thrombus, it can be controlled according to actual conditions and has better adaptability. By providing an inner tube feeding mechanism and a push-and-shake feeding device, the feeding of the tube is automatically controlled, which reduces the accuracy of manual tube feeding and improves efficiency. The present invention is easy to use, has a simple and clear structure, can replace the purely manual thrombus aspiration pump in the current prior art to a certain extent, and has good practical application prospects.

The utility model provides a vacuum system of a pressure steam sterilizer, which relates to the technical field of pressure steam sterilization, and comprises a sterilizer main body, a vacuum pump, a vacuum pump, a vacuum pump, a vacuum pump and a vacuum pump, and the sterilizer main body is internally provided with a sterilization chamber which is of a cylindrical cavity structure; a pipeline system is arranged behind the sterilization chamber; a first condenser is arranged behind the sterilization chamber and is connected with the sterilization chamber through a pipeline system; a jet flow valve is arranged at the rear part of the sterilization chamber, the jet flow valve is connected with the water storage tank through a first circulating pipe, a second circulating pipe is connected with a second condenser, and a circulating pump provides power to circulate and vacuumize water vapor, so that the steam in the sterilization chamber can be removed, and the vacuumizing efficiency is effectively improved; the service life of the equipment is ensured, and the problems that the vacuumizing efficiency is reduced and the service life of the equipment is influenced due to water in the sterilization chamber in the vacuumizing process when the vacuum system of the existing pressure steam sterilizer is used are solved.

The present invention provides a fetal head vacuum suction device, which relates to the field of medical technology. The fetal head vacuum suction device includes a handle, and the left side wall of the handle is fixedly connected with a front box, a main through pipe, and a suction cup in sequence, and the handle and the front box are fixedly connected by an upper support tube and a lower support tube. In the present invention, the suction cup can be folded and shrunk by a guide rod by pushing the push plate, thereby reducing the adverse feeling caused to the mother when the suction cup is inserted into the mother. The folding component can be opened by the clamping component after the suction cup enters the mother to restore the shape of the suction cup. The waterproof probe, wire, and USB connector are set to observe the traction position in real time during the traction process, and the pressure relief treatment can be performed in the first time when an accident is found. The passive safety valve can always control the internal negative pressure within a safe range and will not exceed the safety value, thereby avoiding damage to the fetal head. The first anti-slip rubber sleeve and the second anti-slip rubber sleeve can avoid slipping during use.