55 results about "Uterine walls" patented technology

Surgical instruments and surgical systems including the surgical instrument and a morcellator. The surgical instrument includes a tool assembly having an articulating joint and a screw positioned at a distal end of the articulating joint. The articulating joint is configured to articulate a distal portion of the tool assembly at an angle in relation to the longitudinal axis of the surgical instrument. The screw is configured to engage tissue, for example, a myoma in the uterine wall of a patient, and is configured to pitch and roll the tissue to expose cutting planes. The morcellator is configured to engage the tissue to morcellate the tissue and remove the tissue from a patient.

The invention provides devices and methods for performing in vitro fertilization ("IVF") and maximizing successful fertilization rates by optimizing the fluid flow conditions under which zygotes are transferred from growth medium to the uterine wall. The apparatus has a control unit with an external port and an internal pump for creating positive and negative fluid pressure at the port. A flexible extension hose connects the port to an inter-uterine catheter assembly. The catheter assembly has an inner catheter and an outer sheath surrounding the inner catheter. The control unit includes a programmable microprocessor that accepts input commands and controls operation of the pump. Optionally, the control unit has remote control means for activating, de-activating, and reversing the flow of the pump. The control unit can be programmed to repeatedly provide the same aspiration and expulsion flow conditions through the catheter assembly. The control unit may also be programmed to provide a defined sequence of aspiration and expulsion fluid flow conditions through the catheter assembly. The control unit may include an internal memory that records the fluid flow conditions through the catheter assembly during each step of the IVF procedure. By recording the fluid conditions during an Gamma[nu]Tau procedure and counting the number of zygotes that successfully develop into embryos under those conditions, a statistical analysis is performed to determine the optimum fluid flow conditions for an IVF procedure.

The invention discloses a uterine placement cage for terminating pregnancy, which comprises a T-shaped placement cage. Fallopian tube accessing sleeves are symmetrically arranged at two sides of the placement cage; and the placement cage is also connected to the uterus through a uterine neck accessing sleeve. The T-shaped placement cage is woven by fine weaving fibers with elasticity and memorability; and the woven fibers are made of metal or non-metal materials. The uterine placement cage for terminating pregnancy disclosed by the invention which is made of copper is simple in structure and can terminate pregnancy after being placed in a uterus. Due to the isolating function of the uterine placement cage for terminating pregnancy, when a blastosphere formed by a fertilized ovum is not implanted on an endometrium, the blastosphere is easy to separate from the uterus, the blastosphere and the uterus that are even apparently severed but actually connected can also be separated thoroughly by shearing and twisting among the weaving fibers. As the fertilized ovum is not implanted finally and is not substantially combined with a uterine wall, bleeding is avoided in a surgery. Thus, the uterine placement cage for terminating pregnancy disclosed by the invention can greatly ease pain of women in the surgery and can also enable the surgery to be simple and rapid.

A method for dissecting a myoma from a uterine wall includes inserting a myomectomy screw retractor into a surgical site, articulating a tool assembly positioned at a distal end of the myomectomy screw retractor such that a screw of the tool assembly is positioned adjacent to the myoma orthogonal to the uterine wall, rotating the screw of the tool assembly into the myoma until the screw is substantially engaged with the myoma, manipulating the myoma by pitching, rotating, and / or providing traction to the myoma to expose cutting planes, and dissecting the myoma from the uterine wall by cutting along the exposed cutting planes.