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42 results about "Deep insertion" patented technology

Deep insertion vented earpiece system

A deep insertion vented earpiece system is described including resilient earpieces shaped to a wearer's ear canal for a conformal fit. A receptacle is provided within the outer surface of each earpiece for releasably receiving an audio plug. The audio plugs include a miniature loudspeaker and a pair of external ribs for mating with a corresponding pair of grooves formed along the periphery of the receptacle. This rib and groove feature provides for a secure retention of the audio plugs while enabling a simple removal operation. Each earpiece includes an audio passage to conduct the audio signal from the loudspeaker and a vent passage to enable continuous venting of the wearer's ear to atmosphere.
Owner:GOVERNMENT OF THE UNITED STATES AS REPRESENTED BY THE SEC OF THE AIR FORCE

Autonomous apparatus and method for acquiring borehole deviation data

An autonomous down hole survey tool and method for determining deviation angles of a well bore while tripping. The instrument package assembly is carried in a commercially available running gear and utilizes a low voltage solid state electronic apparatus in cooperation with a method for detecting and correlating desired measurements such as pitch, roll, azimuth and temperature taken from a bored hole in an autonomous manner and electronically recovering such data from the instrument upon its return to the surface. The apparatus includes electronic measurement sensing circuitry that includes a compass / magnetometer utilizing a tilt compensated linear / compass, dual axis tilt system, housed in a high tensile strength non-metallic casing sleeve with a self centering capability. The system further includes electronic communications programming and retrieval cabling and a portable computer processor unit. The method of operation includes the steps of providing the autonomous instrument with an onboard computer / program set for acquiring a plurality of desired duplicate measurements taken from the borehole at pretimed intervals, storing a plurality of such measurements taken along the borehole path with their associated time marks stored in memory, and providing a method for manually inserting depths into a surface computer coordinated with the down hole timed intervals.
Owner:LE JEUNE ROBERT J

Method and apparatus for follicular extraction and transplantation

Apparatus and method are for extraction of follicular units. A dermal biopsy punch is utilized in combination with a suction device for extraction purposes. The use of suction to extract the follicular unit allows for distribution of the forces over a large area of the unit, helping to keep the unit intact. A perforating device, affixed to the punch, is utilized to weaken the structural integrity of the extraction area. The perforating device, having a single spike member which is inserted into the skin at a small, previously determined depth, in several locations, surrounding the follicular unit and reducing the holding tissue around the unit. The spike member of the perforating device is relatively thin and unlikely to damage the follicular unit. Because suction is utilized to extract the follicular unit, the distal end of the apparatus may have a guard which functions to prevent the extracted follicular units from being vacuumed further therein.
Owner:FELLER ALAN S

A medical guide wire, an assembly body of the same medical guide wire and microcatheter, an assembly body of the same medical guide wire, a balloon catheter and a guiding catheter

InactiveCN101099877AMeet intrusionRequirements to lighten the burdenGuide wiresCoatingsGuide wiresGuide tube
A medical guide wire ( 1 ) has a helical spring body ( 3 ), a distal end portion of which has a radiopaque helical portion ( 31 ), and an elongate core ( 2 ) placed within the helical spring body ( 3 ). The elongate core ( 2 ) has a distal end portion ( 21 ) diametrically thinned and having a proximal end portion ( 22 ) diametrically thickened. A securement portion ( 10 ) is provided in which the distal end of the helical spring body ( 3 ) and the distal end of the elongate core ( 2 ) are air-tightly bonded. A floatage chamber ( 5 ) is formed within the radiopaque helical portion ( 31 ). A synthetic resin layer ( 4 ) coated on an outer surface of the helical spring body ( 3 ) forms a cylindrical film ( 43 ) at a clearance (C) between neighboring coil lines of the helical spring body ( 3 ) in a condition that an outer diameter of the cylindrical film ( 43 ) is smaller than that of the helical spring body ( 3 ) when expanding the helical spring body ( 3 ) in the moistened condition, thus enabling an operator to a deep insertion against a blood vessel due to a buoyance and an increased pressure resistance caused by blood streams.
Owner:ASAHI INTECC CO LTD

Deep insertion vented earpiece system

A deep insertion vented earpiece system is described including resilient earpieces shaped to a wearer's ear canal for a conformal fit. A receptacle is provided within the outer surface of each earpiece for releasably receiving an audio plug. The audio plugs include a miniature loudspeaker and a pair of external ribs for mating with a corresponding pair of grooves formed along the periphery of the receptacle. This rib and groove feature provides for a secure retention of the audio plugs while enabling a simple removal operation. Each earpiece includes an audio passage to conduct the audio signal from the loudspeaker and a vent passage to enable continuous venting of the wearer's ear to atmosphere.
Owner:GOVERNMENT OF THE UNITED STATES AS REPRESENTED BY THE SEC OF THE AIR FORCE

Automatic control device of electrode deep insertion of submerged electric furnace

ActiveCN101825401AAvoid frequent up and down movementsAvoid serious overshootControl devices for furnacesElectrical resistance and conductanceAutomatic control
The invention discloses an automatic control device of electrode deep insertion of a submerged electric furnace, comprising an electrode lifting mechanism for lifting the submerged electric furnace, a resistance survey meter for measuring the electrode deep insertion resistance of the submerged electric furnace and a controller, wherein the controller is respectively connected with the electrode lifting mechanism and the resistance survey meter to compare the resistance obtained by measurement of the resistance survey meter with a preset resistance so as to obtain a resistance difference, and the electrode lifting mechanism is controlled to lift the electrode according to the resistance difference only when the resistance difference exceeds to a preset resistance difference threshold valve and the duration time thereof exceeds preset duration time. The automatic control device of electrode deep insertion of the submerged electric furnace in the invention can effectively improve production stability of the submerged electric furnace, lower impact to grid, reduce electrode consumption, lessen electric consumption, improve production environment and lighten environment pollution.
Owner:CHINA ENFI ENGINEERING CORPORATION

Cochlear lead

An electrode array design is provided which is intended for deep insertion into a human cochlea. The distal most portion of the lead can be very thin and flexible and have a wider arc than the remainder of the curved electrode array portion of the lead, which has a more aggressive arc. As a result, the distal most portion of the electrode array can be laterally positioned in a selected cochlear duct, whereas, concurrently, the remaining, more proximal part of the electrode array may be positioned medially (perimodiolar) within the cochlear duct.
Owner:ADVNACED BIONICS LLC

Automatic control method of electrode deep insertion of submerged electric furnace

ActiveCN101825400AAvoid frequent up and down movementsAvoid serious overshootControl devices for furnacesElectrical resistance and conductanceElectric arc furnace
The invention discloses an automatic control method of electrode deep insertion of a submerged electric furnace, comprising the following steps: measuring an electrode deep insertion resistance of the submerged electric furnace; comparing the resistance obtained by measurement with a preset resistance to obtain a resistance difference; and controlling the lift of an electrode according to the resistance difference only when the resistance difference exceeds a preset resistance difference threshold valve and the duration time thereof exceeds preset duration time. The automatic control method of electrode deep insertion of the submerged electric furnace in the invention can effectively improve production stability of the submerged electric furnace, lower impact to grid, reduce electrode consumption, lessen electric consumption, improve production environment and lighten environment pollution.
Owner:CHINA ENFI ENGINEERING CORPORATION

Anti-impact pipe joint structure

The invention discloses an anti-impact pipe joint structure. The anti-impact pipe joint structure comprises a bearing port and an inserting port in insertion matching of pipe fittings; a sealing ring is arranged between the bearing port and the inserting port; plane annular shoulder tables perpendicular to the axis of the pipe fittings are formed in the transition places of the inner wall of the bearing port and the inner walls of the pipe fittings; anti-impact pads are arranged on the shoulder tables; and multiple positioning cones with tip-shaped ends are fixed on the end surface of the inserting port in the axis directions of the pipe fittings. The anti-impact pipe joint structure prevents damage caused by direct collision between the end part of the inserting port and the bottom of the bearing port, achieves the effect of protecting the inner walls of the pipe fittings and corrosion resisting layers, and guarantees normal service life of a pipe; meanwhile, in the inserting process, the positioning cones are inserted in the anti-impact pads for positioning, so that the inserting connection stability can be improved, and the outward elastic force effect on the inserting port by the anti-impact pads in deep insertion of the inserting port can be eliminated; and in addition, the structure simplifies the inserting construction requirements, can accelerate the pipe fitting connecting speed to a certain extent, and achieves the purposes of accelerating the construction progress, shortening the construction period and saving the construction cost.
Owner:绍兴柯桥建业纸管厂

Building toy and connecting module thereof

The invention relates to a connecting module, which comprises a module body, wherein a male plug unit and a female socket unit are arranged on the module body; the male plug unit comprises a plug bodyand a plug part convexly arranged on the plug body; a first accommodating cavity is formed in the plug part; a plurality of first magnetic pieces are arranged in the first accommodating cavity, and insulating bosses are arranged between the first magnetic pieces; the female socket unit comprises a socket body and a second accommodating cavity which is formed in the socket body and can be insertedby the plug part; a plurality of second magnetic pieces which are opposite to the first magnetic pieces in magnetism are arranged in the second accommodating cavity, and insulating grooves are formedbetween the second magnetic pieces. A plurality of connecting modules are randomly combined and butted through the male plug unit and the female socket unit to form connectors with different shapes,and different connecting modules are electrically connected with terminal holes through connecting terminals, so that electric signals of the formed connectors are communicated into a whole without wires exposed; meanwhile, through magnetic connection and deep insertion, the connecting module can bear lateral external force and can be disassembled and assembled conveniently.
Owner:UBTECH ROBOTICS CORP LTD

Inner-wound-free slight soreness medical needle and machining method thereof

ActiveCN106512141AGood effectAchieving hemostasis by compressionEdge grinding machinesBlast gunsPunchingEdge segment
The invention discloses an inner-wound-free slight soreness medical needle. The end, close to a needle point, of a puncture inner cutting edge is a sharp cutting edge segment. The end, close to a radial cutting edge, of the puncture inner cutting edge is an arc pressing segment. The cross section of a vertical section of an inner-wound arc cutting edge is in an arc shape. The arc radius of the arc top end of the inner-wound arc cutting edge is larger than the arc radii of the two sides. The radial cutting edge is in arc transition connection with a first oblique face and a left second oblique face or a right second oblique face. Meanwhile, a method for carrying out linear sand blasting air knife grinding on the needle part at the front end of a needle tubing through a linear sand blasting nozzle is introduced, and specific process requirements for sand blasting air knife grinding machining and a structure of the linear sand blasting nozzle are put forward. According to the inner-wound-free slight soreness medical needle, structural improvement on three aspects is carried out on the need point part of an existing medical needle, an unpredictable technical effect is achieved, the soreness generated at the beginning of punching of the needle is relieved, and the soreness caused by secondary scratching during deep insertion and pulling out of the needle is eliminated.
Owner:JIANG SU KANG YOU MEDICAL INSTR CO LTD

Plantation method of paddy rice

InactiveCN105265263AReduce churnAffect rejuvenationRice cultivationSlurryPaddy soils
The invention provides a plantation method of paddy rice. The method comprises the following steps: a), stubbling and weeding: after preceding crops are harvested, performing stubbling, and carrying out weeding processing before the paddy rice is planted; b), trench digging: digging trenches before the paddy rice is planted; c), field steeping: discharging water to a field for steeping the field ten to fifteen days before machine-transplanted seedling, the depth of the water being 5 to 10cm, and steeping the field until the unit weight of surface soil is 0.9g/cm<3> below; d), machine planting: carrying out the machine planting when a water layer is 0.5 to1.5cm, the depth of the machine planting being 2 to 3cm; and e), performing field management. According to the tillage-free machine-transplanted seedling method provided by the invention, the soil of a rice field does not have to be ploughed by machinery, the soil is softened through steeping the field in the water before the machine planting, and the machine planting is carried out by use of a rice transplanter, such that the cultivation cost is decreased, the soil working link is reduced, rich-water loss is reduced, at the same time, the problem of easy fall of the rice transplanter into slurry, caused by too deep and too muddy conventionally ploughed slurry and the problems of turning-green and tillering of seedlings, affected by too deep insertion of the seedlings into the soil by use of a conventional ploughing machine are solved, and the machine planting yield is high.
Owner:CHINA NAT RICE RES INST

Surgery supporting apparatus capable of measuring the movement of a medical instrument, control method of the same, and surgery supporting system

A surgery supporting apparatus capable of performing a manipulation using a surgical instrument to be inserted into a body cavity, comprises a measurement device configured to measure an insertion depth and an insertion angle, with respect to the body cavity, of a shaft of the surgical instrument inserted into the body cavity, as input of the manipulation, wherein the measurement device measures the insertion depth by measuring a sound wave propagating in a space between a transmitter attached to one of the surgical instrument and a position within a predetermined range from a position of insertion to the body cavity, and a receiver attached to the other.
Owner:A TRACTION INC

Cochlear lead

An electrode array design is provided which is intended for deep insertion into a human cochlea. The distal most portion of the lead can be very thin and flexible and have a wider arc than the remainder of the curved electrode array portion of the lead, which has a more aggressive arc. As a result, the distal most portion of the electrode array can be laterally positioned in a selected cochlear duct, whereas, concurrently, the remaining, more proximal part of the electrode array may be positioned medially (perimodiolar) within the cochlear duct.
Owner:ADVNACED BIONICS LLC

Positioning socket type pipe joint structure

The invention discloses a positioning socket type pipe joint structure. The structure comprises a bearing port and an inserting port in insertion matching of pipe fittings; a sealing ring is arranged between the bearing port and the inserting port; a positioning ring is peripherally arranged on the outer wall of the pipe fitting near the inserting port; the outer diameter of the positioning ring is larger than the inner diameter of the bearing port; and the distance from the end part of the inserting port to the positioning ring is smaller than the depth of the bearing port. When multiple pipe fittings are connected end to end to form the pipe, as the positioning ring is arranged on the outer wall of the pipe fitting near the inserting port, the collision phenomenon between the end part of the inserting port and the bottom of the bearing port caused by deep insertion in the inserting port has no need to worry about, the insertion construction requirements can be simplified to a certain extent, and the purposes of accelerating the connecting speed of the pipe fittings, accelerating the construction progress, shortening the construction period and saving the construction cost are achieved; and meanwhile, the wear or damage phenomenon of the inner walls of the pipe fittings and corrosion-resistant layers caused by collision between the end part of the inserting port and the bottom of the bearing port is eliminated, so that the normal service life of the pipe is guaranteed.
Owner:闫莉

Artificial island segment, assembled artificial island and construction method of assembled artificial island

The invention discloses an artificial island segment, an assembled artificial island and a construction method thereof. The artificial island segment comprises a main body of a prefabricated part; andan inner cavity is formed in the main body. The assembled artificial island comprises at least two artificial island segments; and the two adjacent artificial island segments are connected with eachother. The artificial island segment comprises the main body of the prefabricated part and the inner cavity in the main body, and the assembled artificial island comprises the prefabricated part of each artificial island segment, so that the segmented prefabrication can be performed beforehand, and then, the artificial island segments are carried to a position to be installed for assembly; and compared with a traditional island construction mode through slope formation by stone throwing, island construction by cofferdams and deep insertion of large-diameter steel cylinders, the water operationand the waterbed foundation excavation quantity are reduced, a deep foundation pit is canceled, the foundation treatment workload is reduced, the environment influence is reduced, the construction difficulty is reduced, the construction time is shortened, the influence on navigation is lower, the cost is lower, the working conditions of various different foundation soil textures can be met, and the adaptability is high.
Owner:林巍

Agricultural seedling fertilizing device

The invention provides an agricultural seedling fertilizing device which comprises a device shell, a hand push rod, an adjusting frame, a guiding sliding way, a hopper, a guiding pipe, a fertilizing mechanism, an adjusting mechanism, a supporting column and a movable wheel. The lower middle part of the hand push rod is provided with an adjusting frame through a screw, and the adjusting frame is located at one side of the fertilizing mechanism; the lower end of the guiding pipe penetrates through the interior of the device shell and is communicated with the fertilizing mechanism, and the fertilizing mechanism is located below the exterior of the device shell; the adjusting mechanism is located inside the device shell, and the adjusting mechanism is installed at the other side wall of the guiding pipe. By arranging the adjusting frame, the fertilizing mechanism and the adjusting mechanism, the height of the adjusting frame can be adjusted, the fertilizing process is not disturbed, the material adding process is stable, the problem that fertilizer is stacked into the pipe is effectively solved, the height of the fertilizing part can be adjusted according to the need of people, and therefore the phenomenon that agricultural seedling rhizomes are damaged due to excessively-deep insertion into the land is avoided; people can perform self-operated control, and the device is simple and practical.
Owner:陈晓骏

Technique for predicting over insertions for partial grids and defective Z-pins

In accordance with the present invention, there is provided a technique which may be used in conjunction with an automated Z-pin insertion process to automatically monitor the insertion energy applied to the Z-pins during the initial insertion phase of the automated insertion process, and compare it to an empirically derived value for good insertions, thereafter allowing the insertion process to continue to a predetermined additional insertion depth before terminating the process. The insertion energy is calculated by cumulatively summing the insertion force and multiplying it by the insertion time, thus yielding the cumulative energy. At a specified, predetermined insertion depth, the energy accumulation is stopped and the value at the initial insertion depth is stored and compared to an empirically derived value. If the value is less than the empirical value, the insertion energy is too low, thus indicating that either a partial grid insertion is being encountered or defective Z-pins are being inserted. Insertion is allowed to continue until another empirically derived second insertion depth is reached whereat the insertion is terminated. The second depth is necessary for the continued insertion of partial grids to ensure that the Z-pins are fully inserted. The second depth is a function of the laminate thickness to ensure full depth insertions.
Owner:NORTHROP GRUMMAN SYST CORP

Obstetric clinical clamping and expanding device

InactiveCN111603255AAvoid harmRealize the expansion functionInstruments for stereotaxic surgeryEngineeringScrew thread
The invention discloses an obstetric clinical clamping and expanding device, which comprises an outer frame. A threaded rod is arranged on one side of the interior of the outer frame; the two ends ofthe threaded rod are rotationally connected with the two ends of the outer frame correspondingly; threads are formed in the outer part of the threaded rod; threads at two ends of the threaded rod areopposite in direction of turning; a guide rod is arranged on the side, away from the threaded rod, of the interior of the outer frame; the two ends of the guide rod are fixedly connected with the twoends of the outer frame correspondingly; two expanding frames are arranged in the outer frame; and moving blocks are fixedly connected to the two ends of the two expanding frames. A sliding chute is formed in the expanding sheet; and under the clamping of the clamping block, the expanding sheet stably slides relative to the expanding frame, so that the depth of the expanding sheet entering the lower body of a patient can be adjusted according to the actual condition of the patient, the injury to the patient due to over-deep insertion is avoided, the convenience in use of the device is improved, and the adaptability in assembly and use is enhanced.
Owner:王鹤

Point contact type rectifier diode

Provided in the invention is a point contact type rectifier diode comprising an anode lead wire (1), a cathode lead wire (2), a PN junction (3), an N type germanium slice (4), a bracket (5), a metal whisker (6) and a shell (7). The anode lead wire (1) and the N type germanium slice (4) are connected to the two ends of the metal whisker (6); the N type germanium slice (4) and the bracket (5) are connected to the two ends of the PN junction (3); the cathode lead wire (2) and the bracket (5) are connected; and the PN junction (3), the N type germanium slice (4), the bracket (5), and the metal whisker (6) are arranged in the shell (7). Adhesive layers and albata layers coat the outsides of the anode lead wire (1) and the cathode lead wire (2) successively. According to the invention, the point contact type rectifier diode has the following technical effects: firstly, pins are not easy to fold or break; and secondly, when the pins are embedded, deep insertion can be prevented and thus instable welding can be avoided.
Owner:NANTONG MINICHIP MICRO ELECTRONICS

Memory strip mounting structure

A memory strip mounting structure includes a support, a memory card slot, a dustproof baffle, a rotating shaft, a torsion spring, a memory clamp, a support body is a rectangular body, a memory card slot is arranged in that middle of the top of the support body, at that top of the memory card slot, two dust-proof baffle plate are arranged, the two dust-proof baffles are articulated with the front and rear sides of the support body through a rotating shaft, the two ends of the rotating shaft inside the dust-proof baffle plate are respectively fixed with a rotating plate, the rotating plate is arranged on both sides of the support body, the two ends of the torsion spring are respectively fixed on the support body and the rotating plate, the two ends of the support body are fixed with a memoryclamp, and the two ends of the memory clamp groove are respectively provided with guide grooves in the vertical direction. The invention prevents dust accumulation caused by long-term non-use, prolongs the service life of the memory strip, avoids loose or not deep insertion of the memory strip, causes poor contact, and is convenient to install and durable in fastening.
Owner:宋在洋

Medical ear-washing cotton swab

InactiveCN107224350AAvoid inserting deepEar treatmentMedical devicesEar washingEngineering
The invention discloses a medical ear washing cotton swab, which comprises a cotton swab head and a cotton swab stick. The ring groove, the cotton swab stick is provided with evenly distributed liquid suction holes at the head end of the cotton swab, and the baffle is set on the cotton swab stick. The present invention has the advantages that: the cotton swab is used to inject a small amount of liquid medicine into the auditory canal for cleaning the pus, and a baffle is provided to avoid too deep insertion.
Owner:泰州泰宇医用制品有限公司

Safety type sucker for eating

InactiveCN105249771APrevent deep insertionImprove securityTablewaresDeep insertionRetaining ring
The invention relates to the technical field of the sucking tool, especially to a safety type sucker for eating. The safety type sucker comprises a pipe body, a pipe head, and a pipe mouth; and the pipe mouth and the pipe head are arranged at the upper end and the lower end of the pipe body. A retaining ring is arranged on the pipe body and sleeves the part below the pipe mouth. Because the retaining ring is arranged on the pipe body and sleeves the part below the pipe mouth to form a safety distance for limiting, when the sucker is used, the lip can be blocked to prevent deep insertion, thereby substantially improving safety.
Owner:CHANGZHOU SHENGFA BULB FACTORY

Stomach tube device for digestive system department with good effect

InactiveCN110613884AImprove gastric lavage efficiencyRelieve painMulti-lumen catheterGastroscopesStomach tubeGuide tube
The present invention discloses a stomach tube device for digestive system department with a good effect. The stomach tube device comprises a first one-way valve, a second one-way valve and a scale mark, wherein the first one-way valve is arranged for preventing stomach contents in a stomach cavity of a patient from entering a first liquid guide tube through a liquid inlet tube, the stomach contents in the stomach cavity of the patient enter a second liquid guide tube through a liquid outlet tube, the second one-way valve is arranged for preventing the stomach contents entering the second liquid guide tube from flowing back, so that synchronous liquid inlet and liquid outlet in the stomach cavity of the patient are realized, stomach washing efficiency of the patient is improved, pains of the patient are relieved, the scale mark is arranged for facilitating medical staff to accurately control entering depth of an insertion tube and avoid injury of the patient caused by too deep insertion of the insertion tube in patient body, at the same time, pains of the patient are increased, and connections places of the liquid outlet tube with an outer wall of the insertion tube and the liquidinlet tube with the outer wall of the insertion tube are both provided with bulges integrally formed with the insertion tube, thereby effectively avoiding blockage of the liquid inlet tube and the liquid outlet tube.
Owner:湖北铭亚科技有限公司

Door weatherstrip

The present invention relates to a door weatherstrip for a vehicle that includes an extrusion part, which is mounted by insertion into a flange 25 formed on the vertical side edge of a first-closing door 3 among the doors constituting double doors 3 and 4, and a molded part 51, which is integrally formed on the upper end of the extrusion part, and that seals between the first-closing door 3 and a next-closing door 4 when the doors 3 and 4 are closed. A molded part 51 has a wider part 31 a including a deep insertion groove 29, and a slit 52 is formed in the door width direction from the side end on the sidewall 31, and water that has invaded through between the flange 25 and the molded part 51 flows out onto a drip channel 8 established on the upper edge of the door opening of the body via the slit 52.
Owner:NISHIKAWA RUBBER

A lubricate deep insemination device and a method for using that same

ActiveCN109124812AAvoid damageNormal breeding environmentAnimal reproductionVas deferensEngineering
A lubricate deep inseminator and a method for using that same are disclosed, including the outer sleeve. A liquid feed chamber and a liquid suction chamber are arranged inside that outer sleeve, a partition plate is arranged between the liquid feeding chamber and the liquid suction chamber, a liquid outlet hole is arranged at that upper part of the front end of the outer sleeve, a liquid suction hole is arranged at that lower part of the out tube end, the nocturnal hole communicates with the left end of the liquid feeding chamber, and the liquid suction hole communicates with the left end of the liquid suction chamber. A liquid injection barrel is arrange at that right end of the outer sleeve. The injection barrel is communicated with the right end of the liquid feeding chamber, the rightend of the outer tube is also provided with a liquid sucking barrel, the liquid sucking barrel is communicated with the right end of the liquid sucking chamber, a push rod is arranged in the syringe barrel, and a pull rod is arranged in the liquid sucking barrel. The invention achieves the advantages of lubricating the vagina in the process of inserting the vas deferens and facilitating the deep insertion of the vas deferens.
Owner:SHAN DONG DONG E E JIAO +1
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