Sutures in Biological News

UC Davis bioengineer receives Hartwell Foundation grant to address skull fusion disorder of infants

... for infants born with disorders that cause the sutures of their skulls to prematurely fuse together. ... in the premature fusing of one or more of the sutures necessary for the skull to expand as the child's ... then reposition a portion of them along the sutures to protect the exposed brain. The hope is that by ...

Shellfish and inkjet printers may hold key to faster healing from surgeries

... medical adhesives that could replace traditional sutures and result in less scarring, faster recovery ... to join tissue together in the wake of a surgery: sutures and synthetic adhesives. sutures work well, but require enormous skill and longer ...

Antimicrobial sutures reduce infections in brain shunt surgery, study finds

... at Buffalo has shown that using antimicrobial sutures to secure the shunt and close the wound ... and double-blinded. "In animal trials sutures coated with the antimicrobial triclosan have been ... "Our results showed that using antimicrobial sutures reduced infection risk by 16 percent." ...

Surgery without stitches

... bio-film that seals surgical wounds could make sutures a relic of medical history. Measuring just 50 ... complications arising from sutures. Surgical sutures date back some 4,000 years, so a new approach is ... damaged nerves because the gold standard -- sutures inevitably cause damage to nerves and there is ...

New method separates cancer cells from normal cells

... cancer cells, but not normal cells, inward to the reservoir, where they would be trapped," said Grzybowski. "The particles could also be part of the sutures used during surgical procedures." ...

Superglue from the sea

... says. "We don't want to have the glue permanently in the fracture." Stewart says some synthetic superglues or "instant glues" are used instead of sutures for superficial skin wounds. But because of toxicity or toxic byproducts, "they are not suitable for deep tissue use," including bone repair, he ....

American Chemical Society Weekly PressPac Oct. 15, 2008

... nano-sized fibers about 1/50,000th the width of a human hair. The advance could lead to a new generation of stronger, longer-lasting biocompatible sutures and bandages to treat wounds. The study is scheduled for the November 10 issue of ACS' Biomacromolecules, a monthly journal. Eyal Zussman and ...

Drug-embedded microparticles bolster heart function in animal studies

... neutral, excretable compounds that aren't themselves inflammatory. Polyesters such as PLGA (polylactic-co-glycolic acid) are approved for use in sutures and grafts. However, when they are made into particles small enough to be broken down in the body, polyesters cause inflammation exactly what the ...

Together we stand: bacteria organize to survive hostile zones

... result from bacterial communities that develop inside human cells. And biofilms cause problems in tissues where catheters have been inserted or where sutures have been used. You can put a patient on antibiotics, and it may seem that the infection has disappeared. But in a few months, it reappears, and ...

Ancient amphibians evolved a bite before migrating to dry land

... from living fish, we found that the shapes of sutures in the skull roof indicate whether a fish ... feeding. By analyzing the tiny forces that the sutures experienced during feeding, such as tension or ... species, Markey says. "Analysis of the sutures of the early amphibian species Acanthostega ...

Natural polyester makes new sutures stronger, safer

... is healed. They are also 30 percent stronger than sutures now used and very flexible, making them easier for surgeons to work with. The sutures were developed by Tepha, Inc., a Cambridge ... Williams said he envisions that the new sutures will be used for abdominal closures, which are ...

Relationship of brain and skull more than just packaging

... ?a condition where one or more of the sutures -- fibrous bands that connect the bones -- of the ... almost universally have surgery to reopen the sutures and allow normal growth of the boney plates of the skull. Premature closure of sutures causes the skull and the brain beneath to deform. ...

A new target for painkillers

... sciatic nerves, which extend from the lower back to the hips, buttocks and back of the thighs. For the study, the North Carolina co-authors tied sutures loosely around one of each rat's two sciatic nerves to mimic nerve compression and injury from sciatica. That made the rats overly sensitive to touch ...

Wisconsin scientists find a way to make human collagen in the lab

... Commonly, it is employed in plastic surgery to augment the lips and cheeks of starlets and others seeking perpetual youth. Catgut, the biodegradable sutures made from cow or horse intestines and used in surgery to minimize scarring, is also a form of collagen. But for such a commonplace and useful ...

UCSD study finds anthrax toxins also harmful to fruit flies

... inactivated, disrupting the whole molecular system and leading to death. When applied in a more limited fashion, LF interfered with the formation of sutures in the epidermis, resulting in a hole or cleft in thoracic regions of embryos and adults. This developmental process disrupted by LF treatment is ...

Artifical cornea lets woman blind 20 years see

... in between. The surgeon then removes most of the damaged cornea from the patient's eye so that the new prosthesis can be sewn into place using sutures to connect the donor tissue and keratoprosthesis to the patient's remaining corneal tissue. "Getting an artificial cornea is not an easy ride for ...