Abstract: A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

Abstract: A method for preparing a purified styrene composition is provided. The method includes providing a crude composition and subjecting the crude composition to at least one crystallization step. The crude composition contains 70% by weight or more styrene based on the total weight of the crude composition. The at least one crystallization step comprises at least one of a static crystallization stage and a dynamic crystallization stage. The crude composition contains at least one impurity selected from the group consisting of: color inducing species, oxygenates, sulfur species, alpha-methylstyrene, and mixtures thereof.

Abstract: A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

Abstract: A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

Abstract: A method for preparing a purified styrene composition is provided. The method includes providing a crude composition and subjecting the crude composition to at least one crystallization step. The crude composition contains 70% by weight or more styrene based on the total weight of the crude composition. The at least one crystallization step comprises at least one of a static crystallization stage and a dynamic crystallization stage. The crude composition contains at least one impurity selected from the group consisting of: color inducing species, oxygenates, sulfur species, alpha-methylstyrene, and mixtures thereof.

Abstract: Described are pelvic implants and methods of surgically placing pelvic implants, that provide treatment for pelvic floor disorders by support of the levator.

Abstract: Described are pelvic implants and methods of surgically placing pelvic implants, that provide treatment for pelvic floor disorders by support of the levator.

Abstract: Articles and procedures for preventing or treating vaginal prolapse, urinary incontinence, and other disorders of the pelvic floor.

Abstract: Surgical articles, implants and components suitable creating composite slings are described. Novel procedures for assembling and utilizing composite slings are also detailed.

Abstract: Surgical instruments, implantable articles and surgical procedures disclosed for treating medical disorders, particularly incontinence. Improved surgical sling procedures are disclosed. Novel surgical instruments and kits for use in sling procedures are also disclosed. The present invention affords options for surgeons with concomitant advantages to the patient and the healthcare provider.

Abstract: The present invention includes a method of implanting a urethral prosthesis. The method includes making an incision, positioning arms of the prosthesis in the pelvic region of the patient, and positioning a stem of the prosthesis in the scrotum of the patient.

Abstract: Surgical instruments, implantable articles and surgical procedures disclosed for treating medical disorders, particularly incontinence. Improved surgical sling procedures are disclosed. Novel surgical instruments and kits for use in sling procedures are also disclosed. The present invention affords options for surgeons with concomitant advantages to the patient and the healthcare provider.

Abstract: A surgical instrument for treating incontinence includes a handle portion elongate along a handle axis and a needle portion connected to the handle portion. The needle portion has a spacer portion along the handle axis, and has a distal end. The needle portion includes a substantially helical portion that is a variable spiral portion, extending from the straight spacer portion. The variable spiral portion is sized and shaped to extend from an incision substantially adjacent the patient's obturator foramen through the obturator foramen along a path in a region between the superior pubic ramus and the inferior pubic ramus. The needle portion has a structure near the distal end that associates the instrument with an implantable material configured to treat incontinence.

Abstract: Methods and systems for characterizing particles in an aerosol are disclosed. A system includes a collection container that utilizes the principles of elutriation to collect particles of selected aerodynamic diameter ranges within a measurement region. A particle detector is used to detect and characterize particles that have settled into the measurement region.

Abstract: A surgical instrument for treating incontinence includes a handle portion elongate along a handle axis and a needle portion connected to the handle portion. The needle portion has a spacer portion along the handle axis, and has a distal end. The needle portion includes a substantially helical portion that is a variable spiral portion, extending from the straight spacer portion. The variable spiral portion is sized and shaped to extend from an incision substantially adjacent the patient's obturator foramen through the obturator foramen along a path in a region between the superior pubic ramus and the inferior pubic ramus. The needle portion has a structure near the distal end that associates the instrument with an implantable material configured to treat incontinence.

Abstract: Described are implants, tools, and related methods, for use in pelvic surgery to treat conditions such as prolapse, including embodiments of methods that involve a tissue path above the arcus tendineus.

Abstract: Methods and systems for characterizing particles in an aerosol are disclosed. A system includes a collection container that utilizes the principles of elutriation to collect particles of selected aerodynamic diameter ranges within a measurement region. A particle detector is used to detect and characterize particles that have settled into the measurement region.

Abstract: Described are implants, tools, and related methods, for use in pelvic surgery to treat conditions such as prolapse, including embodiments of methods that involve a tissue path above the arcus tendineus.

Abstract: The present invention provides a urethral prosthesis including a first and a second arm that join to form a junction, and a stem that is also joined to the junction. The junction is adapted to exert sufficient pressure on a portion of a patient's urethra to prevent unintentional voiding of the patient's bladder. However, upon exerting a tension force on the stem, the pressure exerted by the junction is reduced such that the patient's bladder may be intentionally voided.

Abstract: The present invention provides a urethral prosthesis including a first and a second arm that join to form a junction, and a stem that is also joined to the junction. The junction is adapted to exert sufficient pressure on a portion of a patient's urethra to prevent unintentional voiding of the patient's bladder. However, upon exerting a tension force on the stem, the pressure exerted by the junction is reduced such that the patient's bladder may be intentionally voided.