37 results about "Vas deferens" patented technology

Embodiments of the invention include aerogel implants and methods for making aerogel implants, and methods of implantation of aerogel implants. Such implants are configured to swell in vivo following insertion into a body cavity or lumen, such as a vas deferens or fallopian tube, to provide an occlusion. In embodiments, in vivo swelling results in an aerogel implant (e.g., a rehydrated hydrogel implant) that is dynamically responsive to vessel contraction.

Embodiments of the invention include aerogel implants and methods for making aerogel implants, and methods of implantation of aerogel implants. Such implants are configured to swell in vivo following insertion into a body cavity or lumen, such as a vas deferens or fallopian tube, to provide an occlusion. In embodiments, in vivo swelling results in an aerogel implant (e.g., a rehydrated hydrogel implant) that is dynamically responsive to vessel contraction.

Delivery systems for providing occlusive hydrogels in a tube lumen or void space within the body including but not limited to a reproductive tract such as the vas deferens or fallopian tubes for contraception are described. The delivery systems contain mechanisms that confirm proper placement of the system in the bodily lumen prior to the delivery of the occlusive material. The systems also can contain a confirmatory mechanism that demonstrates the blockage or occlusion in the bodily lumen has been achieved following the deposition of the occlusive material. Another aspect of this application is to provide a removal system that delivers dissolving material, agitates, aspirates, and confirms the patency of the bodily lumen following the removal of the occlusive material if so desired by the patient for the return to fertility.

1. Name of the product in this design: Vas deferens. 2. Purpose of this design: For use as a veterinary insemination tube. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The present invention relates to a comprehensive surgical clip for improving vasectomy and an operating method thereof, comprising a comprehensive surgical clip; the comprehensive surgical clip comprises two clamps for clamping and fixing the two ends of the vas deferens, the two clamps being connected to the same scissors structure and being synchronously opened and closed by the scissors structure; and further comprising: a syringe, which is obliquely and slidably arranged on the comprehensive surgical clip and is used for injecting a mixed liquid into the vas deferens and promoting the discharge of semen. The present invention has a compact and reasonable structure and is easy to operate. By adopting a special surgical clip and a specific operating technique, work efficiency is improved. At the same time, on the basis of traditional vasectomy surgery, a special flushing technology is added to improve the efficiency of residual semen discharge, greatly shortening the patient's postoperative contraception time compared with traditional surgery, and can also judge the patency of the vas deferens according to the color of the discharged semen, providing preoperative evaluation guidance for some patients who need to restore fertility and undergo vasectomy.

Contraceptives and methods for reversible male birth control are disclosed herein. One method includes providing a polymer including a viscosity and reducing the viscosity of the polymer to create a polymer solution. The method further includes injecting the polymer solution into the vas deferens of a male subject while the viscosity of the polymer is reduced. The polymer solution forms a polymer barrier in the vas deferens to physically block the outflow of sperm in the vas deferens subsequent to injection.

The present invention introduces a groundbreaking solution in the field of male contraception-a reversible male birth control implant device. The device offers enhanced flexibility in family planning by controlling the amount of sperm ejaculated. It consists of a tubular component surgically inserted into each severed vas deferens, with a wireless receiver attached. The wireless receiver receives external wireless signals and enables the device to switch between a state that permits the flow of sperm and a state that impedes it. The device also features an outlet for the safe elimination of obstructed sperm. The use of biocompatible materials and compatibility with medical imaging devices, such as MRI, ensures safety and usability. This innovative device empowers individuals with convenient and discreet control over their fertility, revolutionizing male contraception and opening new possibilities in reproductive health.

The utility model discloses a semen deposition device for sow fertilization. The semen deposition device comprises a semen deposition tube, a semen storage bag and a sealing head used for sealing semen. The semen deposition pipe comprises a filling opening with the top being open, a rod part and a semen deposition part, a liquid inlet is formed between the rod part and the filling opening, and a liquid outlet is formed between the rod part and the semen deposition part. The utility model relates to the technical field of veterinary inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating inseminating Even if the low-temperature wax melts in advance due to the influence of high temperature, the seminal fluid is protected by a gel layer, so that the seminal fluid can be effectively prevented from overflowing in advance.

Disclosed herein are contraceptives and methods for reversible male birth control. A method (1100) includes providing (1102) a polymer (202) including a viscosity and reducing (1104) the viscosity of the polymer (202) to produce a polymer solution (200). The method (1100) further includes injecting (1106) the polymer solution (200) into the seminiferous duct (30) of a male subject while reducing the viscosity of the polymer (202). The polymer solution (200) forms a polymer barrier (10) in the seminiferous duct (30) to physically block the outflow of sperm in the seminiferous duct after injection.

The invention relates to a device for controlling a flow circulating in the lumen of a male vas deferens, comprising a clamp configured to coaxially grasp an outer wall of the vas deferens and a long, slender element coupled to the clamp, a distal portion of which is adapted to be at least partially inserted into the vas deferens. Said distal portion has a deflection tube adapted to divert said flow out of the vas deferens when an inlet of said deflection tube is aligned with the lumen. Abstract figure: Fig. 1

The utility model discloses an easy-to-operate deep vas deferens lock buckle, comprising a buckle body, and a clamping assembly arranged on the left side of the buckle body, the clamping assembly is used to clamp an outer tube; and further comprises a locking assembly arranged on the right end of the buckle body, the locking assembly is used to lock an inner tube, and an outer tube sleeved on the left side of the buckle body and an inner tube penetrating the buckle body. The utility model belongs to the technical field of deep vas deferens lock buckles, specifically a deep vas deferens lock buckle that is easy to operate by setting through hole one and through hole two and a conical shape.

Delivery systems for providing occlusive hydrogels in a tube lumen or void space within the body including but not limited to a reproductive tract such as the vas deferens or fallopian tubes for contraception are described. The delivery systems contain mechanisms that confirm proper placement of the system in the bodily lumen prior to the delivery of the occlusive material. The systems also can contain a confirmatory mechanism that demonstrates the blockage or occlusion in the bodily lumen has been achieved following the deposition of the occlusive material. Another aspect of this application is to provide a removal system that delivers dissolving material, agitates, aspirates, and confirms the patency of the bodily lumen following the removal of the occlusive material if so desired by the patient for the return to fertility.

Systems, devices, and methods for delivering one or multiple materials into a body space (e.g., to occlude the body space) and / or for removing one or multiple materials from a body space (e.g., to open or reopen the body space) are described. Delivering material into the vas deferens of the male reproductive tract for contraception, removing material from the vas deferens to restore patency of the vas deferens, delivering material into the fallopian tubes of the female reproductive tract for contraception, and removing material from fallopian tubes to restore patency of the fallopian tubes is described. Confirming access to a body space is described. Agitating materials in a body space is described. Creating turbulence in a body space is described.

The application discloses a kind of built-in anti-ejaculation devices of stallion, it is related to the technical field of animal husbandry, including placing hose, support tube is placed in the inside of placing hose;The outer side wall of the open end of support tube is installed with snap ring, and the opposite surface of snap ring is installed with fixed assembly;One of snap ring is in abutment with the inner side wall of placing hose, and the other snap ring is in abutment with the opening of placing hose.The application discloses a kind of built-in anti-ejaculation devices of stallion, not only can realize the filtration of sperm of stallion, but also can make that tissue fluid can normally flow and avoid vas deferens congestion, and will not affect normal mating behavior of stallion, further, anti-ejaculation behavior is reversible, does not affect stallion recovery reproductive capacity in later period, overall built-in structure design is compact, fixed assembly is assembled firmly, can be long-term retained and used, no exposed component, safe and non-irritating, adapt to stallion physiological structure, and practicality is strong.

1. Name of the designed product: insemination tube (single tube). 2. Use of the designed product: insemination tube for veterinary use. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The utility model provides a hernial sac bonding device. The hernial sac bonding device comprises a sheath tube. The diameter of the hollow guide rod is smaller than that of the sheath tube, the hollow guide rod can penetrate through the sheath tube, the far end of the hollow guide rod is connected with a supporting assembly, and a gluing brush is arranged on the surface of the supporting assembly. The near end of the hollow guide rod with the hernial sac bonding capacity is provided with a first conversion cap suction device which can be connected with air pressure adjusting equipment in a sealed mode, wherein the air pressure adjusting equipment sucks air in the hernial sac so that the area, coated with glue, of the inner side wall of the hernial sac in the negative pressure state can be bonded. Compared with a direct ligation mode in the prior art, the hernial sac is treated in a bonding mode instead of a ligation mode, so that the risk that the hernial sac is separated during ligation and ligation damages spermatocords and seminiferous ducts (male) / round uterus ligaments (female) is avoided.

The application discloses a vas deferens contraceptive device and a preparation method thereof, and relates to the technical field of medical devices. The device comprises a tubular outer wall, the inside of the tubular outer wall is filled with a sperm blocking layer and a mechanical support layer, the sperm blocking structure is a pore structure that can block sperm, and the mechanical support structure is a three-period minimal surface structure. The combination of the two structures can prevent sperm from passing through the vas deferens while ensuring the normal passage of tissue fluid. The device is mainly prepared through three steps of model slice design, ink configuration, 3D printing and device post-processing. Compared with vasectomy, the vas deferens contraceptive device and the preparation method thereof can avoid complications and fertility damage caused by epididymal stasis, and the implantation of the device has a smaller incision than vasectomy and is convenient for processing and manufacturing.

Systems, devices, and methods for delivering one or multiple materials into a body space (e.g., to occlude the body space) and / or for removing one or multiple materials from a body space (e.g., to open or reopen the body space) are described. Delivering material into the vas deferens of the male reproductive tract for contraception, removing material from the vas deferens to restore patency of the vas deferens, delivering material into the fallopian tubes of the female reproductive tract for contraception, and removing material from fallopian tubes to restore patency of the fallopian tubes is described. Confirming access to a body space is described. Agitating materials in a body space is described. Creating turbulence in a body space is described.

Systems and methods of using and imaging shear-thinning biomaterial compositions are provided. More particularly, systems and methods of providing reversible birth control and / or for delivering therapeutics to reproductive organs are provided. A method includes administering a biomaterial into fallopian tubes, uterus, or vas deferens of the subject, where the biomaterial is a shear-thinning nanocomposite.

Systems, devices, and methods for delivering one or multiple materials into a body space (e.g., to occlude the body space) and / or for removing one or multiple materials from a body space (e.g., to open or reopen the body space) are described. Delivering material into the vas deferens of the male reproductive tract for contraception, removing material from the vas deferens to restore patency of the vas deferens, delivering material into the fallopian tubes of the female reproductive tract for contraception, and removing material from fallopian tubes to restore patency of the fallopian tubes is described. Confirming access to a body space is described. Agitating materials in a body space is described. Creating turbulence in a body space is described.

Implantable male contraception devices for obtaining temporary sterility are provided, as well as related systems and methods of use. Such devices are adapted, in some embodiments, to restrict the vas deference of a subject during a controlled period in order to prevent sperm from reaching the subject's urethra.

Systems, devices, and methods for delivering one or multiple materials into a body space (e.g., to occlude the body space) and / or for removing one or multiple materials from a body space (e.g., to open or reopen the body space) are described. Delivering material into the vas deferens of the male reproductive tract for contraception, removing material from the vas deferens to restore patency of the vas deferens, delivering material into the fallopian tubes of the female reproductive tract for contraception, and removing material from fallopian tubes to restore patency of the fallopian tubes is described. Confirming access to a body space is described. Agitating materials in a body space is described. Creating turbulence in a body space is described.

The utility model discloses a seminiferous duct anastomosis stent which comprises a pipe frame, a first anti-falling structure and a second anti-falling structure, and a plurality of hollow holes are formed in the pipe frame. The first anti-falling structure and the second anti-falling structure are arranged at the two ends of the pipe frame respectively, and the anti-falling directions of the first anti-falling structure and the second anti-falling structure are opposite. The seminiferous duct anastomosis stent can effectively reduce the operation time, simplify the operation process, reduce the operation difficulty and improve the anastomosis success rate; the disc type anti-falling structure can reduce damage to the pipe wall and mucous membrane of the seminiferous duct, improve the connection firmness with the seminiferous duct and reduce the pressure acting on the pipe wall. The hollow holes can further enhance the connecting effect of the pipe frame and the seminiferous duct while reducing consumables, and particularly for a degradable stent, the hollow holes can enable liquid in the seminiferous duct to be uniformly dispersed everywhere, so that the stent is promoted to be uniformly absorbed, the possibility of secondary obstruction caused by non-uniform degradation is avoided, and the service life of the stent is prolonged. Meanwhile, the inflammatory reaction caused by contact with mucosa is reduced.

The invention relates to the field of filling machines, in particular to a full-automatic seminiferous duct filling machine which comprises a machine body, conveying rails used for conveying seminiferous ducts are arranged at the top of the machine body in an array mode, a driving device used for conveying the seminiferous ducts is installed on the conveying rails, and a mounting frame is arranged at the position, located at one end of the conveying rails, of the top of the machine body. According to the full-automatic semen deposition tube filling machine, the labeling device achieves accurate attachment through the technology of pneumatic suction cup adsorption and rotary extrusion, after a Y-axis linear motor drives a suction cup to adsorb a label, a rotary motor drives a U-shaped frame to extrude the lower end of a semen deposition tube, and then the lower end of the semen deposition tube is subjected to labeling; the flexible pipe is inclined towards the direction of the sucker by utilizing the deformation capability of the flexible pipe, so that the label is tightly contacted with the pipe wall; after release, the pipe resets elasticity to enable the label to be attached flatly, the label is prevented from tilting, falling off or position deviation, and definition and durability of the label are improved.

The utility model relates to a vas deferens assembly production line, including: a machine base, provided with a left and right first clamping block and a second clamping block, and the upper end faces of the two clamping blocks are provided with a plurality of clamping grooves spaced front and back; a slide seat 1, which can move forward and backward relative to the machine base; a base seat 1, which can move up and down relative to the slide seat 1 and is provided with a plurality of supporting blocks spaced front and back on the upper part; the linear grooves on the supporting blocks can correspond to the slots left and right; a fixing assembly, including at least a pair of clamping plates; a glue coating assembly, including a pedestal and a belt transmission unit corresponding to the outer side of the left end of the supporting block; a colloid part is provided in the groove on the upper end face of the pedestal; the lower belt body of the belt transmission unit can selectively approach and move away from the upper end face of the pedestal; a sponge delivery assembly, including a slide seat 2 with a groove body 1 formed on the upper end face and capable of moving left and right; and a backflow prevention plug delivery assembly, including a seat with a groove body 2 formed on the upper end face and capable of moving left and right. The utility model can significantly improve the assembly production efficiency of the vas deferens.

The invention relates to a device for controlling a flow circulating in the lumen of a vas deferens of a male individual, comprising a clamp configured to coaxially grip an outer wall of the vas deferens and an elongate element configured to be coupled to the clamp, a distal portion of which is adapted to be at least partially introduced into the vas deferens. Said distal portion comprises a diversion tube adapted to divert said flow out of the vas deferens when an inlet of said diversion tube is aligned with the lumen.

The embodiment of the invention discloses a tool for correcting overlong male prepuce, and relates to the technical field of reproductive medical supplies, and the technical scheme is that the tool mainly comprises a magnet, a silica gel skin-friendly sleeve, a mounting seat, a mounting screw hole, a magnet linking rope, a handle, a handle spring, an axis, a main spring, a spring shield and a shell; according to the key points of the technical scheme, pressure is applied to a handle, elastic force of a handle spring and a main spring is restrained, and a shell forms tension through an axis, so that magnet attraction on a mounting seat is cut off, and resultant force formed after release is used for being worn between the root of the penis and the scrotum of the perineum point; the device is used for solving the physiological hygiene problems of balanitis, overlong prepuce and the like caused by overlong prepuce of males. According to the scheme, the irreversible injury caused by long-term insufficient penis blood supply circulation of a male due to damage to penis epidermis veins after a male prepuce operation in the prior art is solved; the scheme is used for solving the problem that in the prior art, the circumcision operation causes damage to the male reproductive system, including but not limited to internal pudendum artery compression, cavernous body artery compression, bulbous artery compression, selected artery compression, penis dorsal branch vessel compression and other blood circulation blockades on an operator; functional losses such as seminiferous duct compression, epididymal head compression and spermatocord compression are caused, male infertility is severely caused, and irreversible injury is caused to male for a long time; the invention is used for solving the problem of unnecessary operations in the prior art. The device is simple in structure, safe to use and convenient to wear, the overlong male prepuce is corrected, an operation is avoided, the male physiological hygiene quality is improved, and the problems of an excessive medical operation for the overlong male prepuce and the like are solved.

The utility model provides an artificial insemination transplantation device for reproductive medicine, and relates to the technical field of reproductive medicine equipment. Comprising an insertion tube, a first injector and a pressurizing mechanism, and the insertion tube is connected with the first injector; the insertion tube comprises a seminiferous duct and a pressurizing cavity which are arranged along the length of the insertion tube, the seminiferous duct is connected with the first injector, and the pressurizing cavity is connected with the pressurizing mechanism; the inner diameter of the sperm duct is smaller than that of the pressurizing cavity; compared with the prior art, the device is convenient to use and high in practicability, foreign body sensation can be effectively reduced, injury to a patient is avoided, and semen can be completely discharged.

The utility model provides an inner sleeve of a seminiferous duct, the inner sleeve of the seminiferous duct is hollow, and a seminal fluid output port is arranged at the bottom of a seminal fluid output end of the inner sleeve of the seminiferous duct; at the semen output port, the tangent plane of the bottom in the inner sleeve is arranged to be drop-shaped or wedge-shaped, the tip part of the drop-shaped or wedge-shaped tangent plane is higher than the semen output port, and the inclined plane of the drop-shaped or wedge-shaped tangent plane faces the semen output port. The inner sleeve of the seminiferous duct can be suitable for artificial insemination of various animals, can be sleeved on the seminiferous duct in use, can effectively distribute seminal fluid, prevents the seminal fluid from forming vortex at an outlet, prevents sperms in different directions from impacting and damaging, and greatly improves insemination efficiency.

Compositions, devices, and methods of using one or more hydrogel for contraception are disclosed. In embodiments, the compositions and devices comprise one or more contrast agent, rendering the compositions and devices radiopaque. Included are compositions for an occlusive implant comprising: a multi-arm polyethylene glycol terminated with a thiol crosslinked with a multi-arm polyethylene glycol terminated with a maleimide; and one or more contrast agent. The devices / hydrogel may be used for occlusion of a bodily duct, such as the vas deferens and / or fallopian tubes, for male and female contraception, respectively.