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634 results about "Vagina" patented technology

In mammals, the vagina is the elastic, muscular part of the female genital tract. In humans, it extends from the vulva to the cervix. The outer vaginal opening is normally partly covered by a membrane called the hymen. At the deep end, the cervix (neck of the uterus) bulges into the vagina. The vagina allows for sexual intercourse and birth. It also channels menstrual flow (menses), which occurs in humans and closely related primates as part of the monthly menstrual cycle.

Method and system for identifying number of bacillus in gynecological micro-ecological microscopic image

The invention discloses a method and system for recognizing the number of bacillus in a gynecological micro-ecological microscopic image, and belongs to the technical field of image recognition and micro-ecological analysis. Performing image enhancement processing on the image to improve the definition of the target area; pixel-level segmentation is carried out on the enhanced image based on the trained image segmentation model, and a suspected bacillus target area set is extracted; extracting a morphological characteristic parameter set for each target area; screening the suspected areas by combining a bacillus morphological feature discrimination model obtained by clinical labeling sample training, and removing false targets; counting the number of the effective areas, estimating the number of bacilli in the adhesion areas by adopting a skeleton endpoint analysis method, and finally outputting the total number of bacilli in the image; the method has the characteristics of high precision, high robustness and high automation degree, and is suitable for intelligent identification of the micro-ecological structure in the gynecological microscopic image.
Owner:AFFILIATED HOSPITAL OF WEIFANG MEDICAL UNIV

Methods for using cervical control systems and cervical control devices

Systems, devices, and methods are provided that control, support, and / or elongate a cervix to treat pregnancy complications and / or delay an onset of labor so that a gestational period for a fetus may be extended, thereby preventing preterm labor and delivery of the fetus. The cervical control systems may include a main body configured for placement in a vagina. The main body has in internal passageway configured for acceptance of a cervix therein and an inflatable and / or expandable inner cuff extends from portion of the internal passageway. The inner cuff may be expandable inward toward the cervix, or downward away from the uterus, or both inward and downward so that the inner cuff may engage, or grip, the cervix thereby holding the cervical control system in place while compressing the cervix closed, elongating the cervix, and / or adjusting an angle of orientation of the cervix.
Owner:NOVOCUFF INC

Sexual stimulation device

A sexual stimulation device includes: a main body; an elongated arm configured to be placed in a vagina, the elongate arm connected to the main body and including a first stimulation portion arranged at a distal end of the elongated arm away from the main body, the first stimulating portion configured for stimulating a first region; a second stimulation portion configured for stimulating a second region, the second region being different from the first region; and a third stimulation portion configured for stimulating a third region. The third region is different from the first stimulating region and the second stimulating region, the second stimulation portion and the third stimulation portion are respectively arranged at opposite sides of the elongated arm, a length of the second stimulation portion and a length of the third stimulation portion are shorter than a length of the elongated arm.
Owner:DONGGUAN MI MAO ELECTRONIC TECH CO LTD

Massage device

The present disclosure provides a massage device including a main stimulation module, a second stimulation and a driving nuit, the main stimulation module and the sub-stimulation module are coupled to and driven by the driving unit. The main stimulation module performs telescoping movements relative to the housing to stimulate the vagina, while the sub-stimulation module swings back and forth by taking a fixing point to slide and rub against the inner wall of the vagina.
Owner:DONGGUAN MEIDI SPORTING GOODS CO LTD +1

Methods for postpartum uterine hemostasis

ActiveUS12616503B2Balloon catheterMedical devicesPostpartum haemorrhageCol uterin
A method of uterine hemostasis involves inserting a suction line of a postpartum hemorrhage mitigation device through a cesarian incision into the uterine cavity, guiding the suction line through the cervix and into the vagina, positioning an anchoring mechanism of the device adjacent the internal cervical OS of the uterine cavity, closing the cesarian incision to enclose the suction line within the uterine cavity, and connecting the suction line to a negative pressure source that introduces negative pressure to the uterine cavity via the suction line, thereby causing contraction of the uterus and evacuation of fluid from the uterus via the suction line extension. Upon completion of a treatment period, the negative pressure source is disconnected, and the suction line and anchoring mechanism are extracted from the uterus through the cervical canal and the vagina.
Owner:ALC MEDICAL HLDG LLC

System and method for the prevention or management of uterine hemorrhage

PendingUS20250288325A1EndoscopesMedical devicesMajor bleedingMechanical engineering
A device and method of use for preventing or treating postpartum uterine bleeding or hemorrhage of a patient. The device includes a suction tube having a distal end portion at which an aperture or an array of plural apertures is located and extending about the periphery of the distal portion. A sealing member having an apex and flexible sidewall is mounted on the suction tube so that a portion of its sidewall can be brought into engagement with tissue of the uterus. Suction from a vacuum source is applied to a proximal end portion of the suction tube to apply suction via the aperture(s) to the interior of the patient's uterus. The suction tube may include an illumination system for illuminating the interior of the patient's vagina.
Owner:BOEHRINGER TECHNOLOGIES LP

A sampling and detection device for gynecological secretions

The present invention discloses a sampling and detection device for gynecological secretions, which includes a sampling tube, a cylindrical block, a threaded sleeve rod, an airbag and a sealing mechanism. The sampling tube is inserted into the vagina of a patient. One end of its inner wall is horizontally movably connected with a cylindrical block. The inner wall of the cylindrical block is rotatably connected with a threaded sleeve rod. The outer contour of the end of the sampling tube away from the cylindrical block is fixedly connected with an airbag for supporting the inner wall of the vagina. The sampling tube is provided with a vent hole for inflating and controlling the airbag. A cavity is opened on the cylindrical block, and a locking block is movably connected to the inner wall to realize the locking and unlocking of the threaded sleeve rod. The sampling tube is also provided with a sealing mechanism to ensure the tightness of the sample during transportation and storage and avoid contamination. By supporting the inner wall of the vagina with the airbag, the present invention improves the safety and comfort of sampling; through a multi-point sampling mechanism, the representativeness of the sample is enhanced; through the sealing mechanism, the stability and purity of the sample are guaranteed, thereby improving the accuracy and efficiency of gynecological secretion detection.
Owner:CHANGHUA CHENGDU SCI & TECH CO LTD

An integrated device for inspection, medication and sampling

The present invention relates to the technical field of medical devices, and discloses an integrated device for inspection, medication and sampling, comprising a handle, the top of the handle is fixedly connected to a shell, the bottom of the inner wall of the shell is fixedly connected to an inner tube, a top cover is installed on the top of the shell, a sampling cotton swab is plugged into the top of the top cover, a plurality of leakage holes are opened on the surface of the shell, the inner diameter of the shell is fixedly connected to a partition, and the bottom of the shell is rotatably connected to a matching plate. The integrated device for inspection, medication and sampling, by providing a medicine coating component, allows the medicine to be evenly applied to the surface of the shell, and then by placing the shell in the vagina, the medicine coated on the surface of the shell is evenly in contact with the inner wall of the vagina, thereby ensuring the uniformity of the medicine coating, improving the medication effect of the device, and being more conducive to the absorption and healing of the vagina by the medicine, and the shell and the inner tube are placed in the vagina, and sampling is performed by contacting the sampling cotton swab with the vagina, so that the medicine application and sampling are completed at the same time, thereby preventing secondary operation and friction damage to the patient's vagina.
Owner:CHONGQING WEIDITE PHARM CO LTD

Non-invasive, uniform and non-uniform RF methods and systems related applications

ActiveUS12558145B2ElectrotherapySurgical instruments for heating'Orange peel' skinFecal incontinence
Systems and methods utilizing RF energy to treat a patient's skin (e.g., dermis and hypodermis) or other target tissue including at a depth below a tissue surface (e.g., skin surface, mucosal surfaces of the vagina or esophagus) are provided herein. In various aspects, the methods and systems described herein can provide a RF-based treatment in which the deposition of RF energy can be selectively controlled to help ensure heating uniformity during one or more of body sculpting treatment (lipolysis), skin tightening treatment (laxity improvement), cellulite treatment, vaginal laxity or rejuvenation treatment, urinary incontinence treatment, fecal incontinence treatment, all by way of non-limiting examples. In various aspects, the systems can comprise one or more sources of RF energy (e.g., a RF generator), a treatment applicator comprising one or more electrode arrays configured to be disposed in contact with a tissue surface, and a return electrode (e.g., a neutral pad) to the tissue surface.
Owner:CYNOSURE INC

Postoperative hemostasis device for urethral surgery through vaginal incision

PendingCN120078469ASurgeryWound healingUrethra
The invention provides a postoperative hemostasis device for urethral surgery through a vaginal incision, and belongs to the technical field of postoperative hemostasis. Comprising a bearing frame, a mounting hole is formed in the inner side of the bearing frame, and a balloon group is inserted into the mounting hole. When in use, the device is placed in the vagina of a patient, is connected with an external air supply hose through the first threaded connector, inflates the corrugated telescopic balloon to expand and push the top pressure balloon to reach a wound, then connects the air channel pipeline to the second threaded connector, supplies air to the pressure balloon to extend, and rotates the balloon group to enable the antibacterial pad to be attached to the wound. The first one-way valve and the second one-way valve ensure one-way ventilation of the threaded connector, after wound rehabilitation, the second one-way valve is screwed off, the pressure balloon shrinks, the device can be conveniently pulled out, adverse effects of dressings such as gauze on the vagina and the wound are effectively avoided, and extra pain of a patient in the dressing replacing process is relieved; a safe and effective earlier-stage treatment and later-stage removal mode is provided for wound healing after an operation.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL

Vagina probe for monitoring and training pelvic floor muscle function

The invention relates to a vagina probe for monitoring and training pelvic floor muscle functions, which comprises a probe body, the probe body comprises a mounting plate, and a central base column and an air bag are fixedly arranged at the front end of the mounting plate. The air bag, the central foundation pillar and the mounting plate are enclosed to form a sealed air cavity, and the air cavity is inflated or deflated through the air pump to control the size of the air bag; a plurality of uniform electrode columns and pressure sensors are fixedly arranged on the air bag, and conductive heads and inductive heads of the air bag are always kept to partially protrude out of the air bag. A conductive net is fixedly arranged on the central base column, and the bottom ends of the electrode columns and the bottom ends of the pressure sensors are electrically connected with the conductive net through elastic wires. Individual anatomical differences of different users can be adapted through the inflatable air bag structure, the probe body can be fixed in the pelvic cavity of the user, the use comfort and compliance are improved, real-time biological feedback can be provided through the electrode column and the pressure sensor, pelvic floor myoelectricity activities and pressure changes can be accurately monitored, and the pelvic floor myoelectricity monitoring system can be used for monitoring pelvic floor myoelectricity activities and pressure changes. The treatment effect of the pelvic floor muscle dysfunction can be improved.
Owner:SHENZHEN LUOHU PEOPLELS HOSPITAL

Sexual stimulation device

The present disclosure provides a sexual stimulation device including: a main body comprising a handle portion; an elongated arm configured to be slidably engaged with a vagina of a female; a pair of clamping fingers configured to substantially remain outside the vagina while the elongated arm being inserted into the vagina; and a driving structure arranged in the main body and coupled to the pair of clamping fingers, wherein the pair of clamping fingers is driven by the driving structure and is switchable between a clamping stage and a releasing stage, the clamping fingers move towards each other to cooperatively clamp a portion of human body which is around the vagina in the clamping stage, while the fingers move away from each other to release the clamped portion of human body in the releasing stage.
Owner:DONGGUAN PINCHEN IND DESIGN CO LTD

Inflatable Speculum Device

An inflatable speculum device for more comfortably and conveniently expanding the vaginal cavity to facilitate visualization of the cervix includes a tube having an interior space. The tube is made of a resiliently deformable material wherein the tube is configured to inflate. A hose is couplable to the tube and is in environmental communication with the interior space of the tube. A pump is fluidly coupled to the hose wherein activation of the pump moves air into the interior space of the tube through the hose thereby inflating the tube. The tube fits within a body cavity of a user whereby the tube is configured to dilate the body cavity when the tube inflates.
Owner:GARNER ELIZABETH

A cervical sampling device for obstetrics and gynecology

The present invention relates to the technical field of cervical biopsy sampling, and specifically to a gynecological and obstetric cervical sampling device, comprising an upper opening clamp and a lower opening clamp, wherein the upper opening clamp is arranged on the top of the lower opening clamp, and the outer side of the upper opening clamp is rotatably connected to a rotating pin. The present invention provides a gynecological and obstetric cervical sampling device, which has an upper opening clamp and a lower opening clamp as an auxiliary vaginal expansion structure during sampling. The upper opening clamp can be rotated along the rotating pin to facilitate opening the upper opening clamp and the lower opening clamp for intravaginal expansion, and the upper opening clamp and the lower opening clamp will contact the inner wall of the vagina through a contact bag made of flexible material to improve the degree of fit with the inner wall of the vagina. A sampling tube is provided and connected to the lower opening clamp. After the positions of the upper opening clamp and the lower opening clamp are relatively fixed, they can provide a certain auxiliary support for the sampling tube, which has the advantage that when a person holds the sampling tube and moves it, it is not easy to shake.
Owner:SHANDONG STEVE MEDICAL TECH CO LTD

Vagina detection and evaluation system and method based on tactile imaging

ActiveCN119655720AAccurately assess the degree of anomaliesImprove diagnostic accuracyImage analysisBiological modelsImaging processingRadiology
The invention belongs to the technical field of vagina detection, and discloses a vagina detection and evaluation system and method based on tactile imaging. Comprising the following steps: acquiring pressure data in the vagina of a target patient based on a flexible sensor to obtain a corresponding pressure sensing signal; the signal processing module is used for processing the collected pressure sensing signals and constructing a corresponding pressure distribution image based on the pressure sensing signals after signal processing; the image processing module is used for processing the obtained pressure distribution image to obtain a corresponding vagina tactile image; performing abnormal degree evaluation on the vagina of the corresponding patient based on the obtained vagina tactile image to obtain a corresponding abnormal evaluation report, and performing feedback; the accuracy, efficiency and clinical application value of vagina detection can be improved from multiple aspects, and powerful support is provided for medical work.
Owner:HUNAN AI TIAI MEDICAL EQUIPMENT CO LTD

Vagina medicine applying device convenient for full medicine applying and used for gynecological patient

The invention relates to the technical field of medical instruments, in particular to a gynecological patient vagina medicine applying device facilitating full medicine applying, the gynecological patient vagina medicine applying device comprises a supporting tube body and an injection part, a containing cavity is formed in the supporting tube body, and a plurality of medicine outlet holes are further formed in the end of the inner section of the supporting tube body; the push injection component comprises a piston block and a push rod, a plugging tube body is further arranged at the end of the inner section of the supporting tube body, the plugging tube body is used for stretching into the cervical canal of the human body, a first plugging air bag is further arranged on the plugging tube body, an air conveying tube is arranged in the containing cavity, and containing channels are formed in the piston block and the push rod. And the air delivery pipe penetrates through the accommodating channel. The plugging tube body is arranged to be used for sealing the external uterine orifice of the human body, in this way, in the operation of medicine pushing, ointment can be prevented from flowing back into the uterine cavity under the pressure effect, and the risk of cervix uteri stimulation or ascending infection is effectively avoided.
Owner:SICHUAN CANCER HOSPITAL

Vagina function exerciser

The invention discloses a vagina function exerciser which comprises a controller body and an exercise main body, the exercise main body is placed on one side of the controller body, the controller body drives the exercise main body to use, one side of the controller body is connected with a first connecting hose, and the lower portion of the controller body is fixedly connected with a second connecting hose. A power supply signal line is arranged on one side of the second connecting hose, the controller body comprises an exerciser box body, a power supply assembly, a control assembly, a liquid pumping assembly and an expansion assembly, the power supply assembly is arranged in the exerciser box body, and the power supply assembly is electrically connected with the control assembly, the liquid pumping assembly and the expansion assembly; a patient holds the exercise main body by hand, inserts the exercise main body into the vagina and starts the controller body, and the expansion unit located in the middle of the exercise main body expands and contracts through the built-in degree of the controller body, so that the effects of vagina exercise and function recovery are achieved.
Owner:PEKING UNION MEDICAL COLLEGE HOSPITAL +1

Gynecological tumor multichannel after-loading radiotherapy source applicator capable of automatically post-expanding

The invention relates to a gynecological tumor multichannel after-loading radiotherapy source applicator capable of automatically post-expanding, which comprises a central radioactive source catheter, radioactive source catheter sub-blades, a linkage device, a post-expanding gear knob and a fixed handle, and is characterized in that the fixed handle is arranged at the bottom of the central radioactive source catheter; a rear dilation gear knob is arranged at the upper part of the fixed handle; the rear expansion gear knob is connected with a linkage device; the linkage device is provided with a radioactive source conduit branch blade; planting needle holes are formed in the radioactive source catheter branch blades; the source applicator has the advantages that when expansion is not started, the source applicator is small in size and can be conveniently placed into the vagina; after the afterloading radiotherapy source applicator is placed in the vagina, the expansion degree of the afterloading radiotherapy source applicator in the vagina can be regulated and controlled through an external control key, especially the expansion degree of the top end can be larger than that of the middle rear section, and the top end of the source applicator channel can reach the top end of the vagina and extend towards the outer side of the periphery. The conformity and individualization of the radioactive source channel can be realized by flexibly adjusting the position of the radioactive source catheter leaf division, and the radiotherapy effect of the vagina tip and the cervix uteri is obviously improved.
Owner:SHANGHAI FIRST MATERNITY & INFANT HOSPITAL

Tools and techniques for vaginal approach

The present invention describes a trocar assembly and a method of use, wherein the trocar assembly is configured to provide access to the intraperitoneal space to a surgical tool through the rectouterine pouch, the surgical tool optionally including one or more surgical robot components. The diameter of the surgical tool is optionally 5 mm or greater. In some embodiments, the cannula portion has an inner cavity that is sized to provide access to the intraperitoneal space via the rectouterine pouch simultaneously through the vagina to multiple surgical tools. In some embodiments, one or two dilators are optionally used to form an incision sized to receive the distal hole of the cannula. The size of the dilator can form (optionally, starting from puncture by a needle having a diameter of 2 mm or less) a rectangular hole. In some embodiments, the width of the rectangular hole on the major axis is at least twice the width on the minor axis.
Owner:MOMENTIS SURGICAL LTD

Vagina massager

The invention discloses a vagina massager, relates to the technical field of medical health care instruments, provides a vagina massager, comprises a handle and a massage head, and is characterized in that the massage head comprises a shell connected with the handle and a first massage structure which is located in the shell and can perform fixed-point massage on a pain part; the second massage structure is located in the shell and connected with the first massage structure. Through mutual cooperation of the first massage structure and the second massage structure, the massage head can perform targeted massage on the pain part of a patient, and through vibration and rotation of a plurality of small massage heads, rotary vibration massage can be performed on the pain part.
Owner:PEKING UNIVERSITY SHENZHEN HOSPITAL

Reproductive tract access device and method

The present disclosure relates to devices and methods for accessing the reproductive tract of an animal, particularly via the animal's vagina, and deploying reproductive material within the uterus. The device and methods of the disclosure may be particularly suited for embryo transfer processes, such as performed in livestock e.g., cattle.
Owner:NBRYO PTY LTD

Vagina plugging device for gynecological operation

The invention relates to a vagina plugging device for a gynecological operation, and belongs to the technical field of medical instruments. In order to keep the pressure of the abdominal cavity stable and reduce the plugging failure risk, the vagina plugging device comprises an expansion piece, an inflation and deflation piece and an expansion mechanism, and the expansion piece comprises a cervix uteri abutting part, an expansion part and a vagina plugging part which are sequentially connected; the inflating and deflating part is communicated with the vagina plugging part and is used for driving the cervix uteri pressing part, the expanding part and the vagina plugging part to expand or contract; the expanding and supporting mechanism is arranged in the expanding and supporting part and used for supporting the expanding and supporting part. According to the vagina plugging device, vagina lacuna plugging is achieved through the vagina plugging part, a gas leakage path is blocked, and the pressure of the abdominal cavity is kept stable; the fixing stability of the vagina plugging device is improved through the cervix uteri abutting part and the expanding and supporting mechanism, the probability of displacement in an operation is reduced, and the plugging failure risk is reduced.
Owner:SHANGHAI CHILDRENS MEDICAL CENT HAINAN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE (SANYA MATERNAL & CHILD HEALTH HOSPITAL SANYA WOMEN & CHILDRENS HOSPITAL)

A vaginal electrode injection mold with good pressing effect

The utility model discloses a vaginal electrode injection mold with good pressing effect. The utility model includes a lower mold and an upper mold that fit each other. The lower mold and the upper mold are provided with mold cavities on opposite sides. The bottom end of the lower mold is provided with a receiving cavity. A push block is provided at the bottom end of the cavity in the lower mold. A push rod is fixed to the bottom end of the push block. The push rod passes through the cavity and is connected to a conical block. A reset spring is sleeved on the outer wall of the push rod. A movable plate is slidably connected to the bottom end of the receiving cavity. A fixed rod is fixed to the top end of the movable plate away from the conical block. The utility model is provided with a push block, a push rod, a conical block, a reset spring, a movable plate and a fixed rod. The pull rod is pulled to drive the movable plate to move. When the fixed rod contacts the conical block, the conical block is squeezed by the fixed rod because it is conical. The push block is pushed upward and the reset spring is compressed to push the vaginal electrode out of the mold cavity, so that the vaginal electrode can be easily removed.
Owner:SUZHOU OUBAOXIANG PRECISION TECH CO LTD

Timing insemination method for improving pregnancy rate and lambing rate of sheep

The invention discloses a timed insemination method for improving the pregnancy rate and the lambing rate of sheep, and belongs to the technical field of livestock breeding. In order to solve the problem that the pregnancy rate of existing sheep is unstable during regular insemination, the method comprises the steps that a progesterone sponge suppository is embedded in the vagina of a healthy and reproductive ewe on the 0th day, and meanwhile 25 g of luteinizing hormone is injected in an intramuscular mode to release hormone A3; removing the thrombus on the 12th day, and performing intramuscular injection of 400IU of pregnant mare serum gonadotropin at the same time; and after the suppository is removed, insemination is carried out on the cervix orifice of the ewe with ram semen diluted at the ratio of 1: (5-8) in 52h and 64h respectively. According to the method, ovarian activities of the ewes are regulated and controlled, the estrus synchronism and the ovulation rate are improved, tests show that the pregnancy rate reaches 81.6%, the lambing rate is 1.14, compared with a conventional method, the pregnancy rate and the lambing rate of the sheep are remarkably improved, and development of the sheep industry is promoted.
Owner:ILI KAZAKH AUTONOMOUS PREFECTURE ANIMAL HUSBANDRY STATION (ILI KAZAKH AUTONOMOUS PREFECTURE ANIMAL HUSBANDRY SCI INST) +1

Vagina massage device

The invention discloses a vagina massage device which comprises a pressurizing device, a limiting part and a controller, one side of the pressurizing device is connected with a bending telescopic structure through an adapter, the bending telescopic structure can bend and deform in the preset direction, the limiting part is arranged on the bending telescopic structure, and the controller is arranged on the limiting part. And the controller is connected with the pressurizing device, so that the controller can adjust the deformation of the bending telescopic structure by controlling the pressurizing device, the vagina massage device provided by the invention has better flexibility, and in addition, by arranging the limiting piece, the vagina massage device can be used for massaging the vagina. According to the massage device, the massage device can move more skillfully during massage, the adjustable rigidity or hardness change can be conducted on the massage device, the massage device can make contact with people more safely and softly, and then better comfortable experience feeling is brought to a user.
Owner:SHANGHAI DREAMREADY INFORMATION TECHNOLOGY CO LTD

Artificial insemination transplanting device

The utility model discloses an artificial insemination transplantation device, and relates to the technical field of medical instruments. The device structurally comprises a dredging cylinder, a transplanting hose and an injector, the center of the dredging cylinder is provided with a round through hole for the front end of the transplanting hose to pass through; the transplanting hose comprises a circular hose; a semi-spherical end is integrally formed at the front end of the hose; a connecting cap matched with the injector in an inserting manner is integrally formed at the rear end of the hose; the outer wall of the head of the front end of the hose is provided with a circle of evenly-distributed liquid inlets and outlets. Through the design of the dredging cylinder, the transplanting hose can be quickly and accurately inserted into the deep part of the vagina, so that the operation time is shortened, and the complexity is reduced; the injector is isolated from the transplanting hose through the ball, so that seminal fluid is prevented from being in direct contact with the inner wall of the injector, and the integrity and quality of the seminal fluid are guaranteed; the design of the ball enables the position of the ball in the hose to be adjusted according to needs, so that the flowing speed and quantity of seminal fluid can be conveniently controlled, and meanwhile, the ball assists in emptying the seminal fluid in the transplanting hose.
Owner:AFFILIATED RENHE HOSPITAL OF CHINA THREE GORGES UNIV