Search results for "Forceps"
showing 10 items of 14 documents
New Forceps and Spatula for Easy Retropupillary Implantation of Iris Claw Lenses in Aphakia: Experience in 4 Years of Use
2008
PURPOSE. Retropupillary implantation of an iris claw lens offers a rapid and atraumatic approach for rehabilitation of aphakic eyes. The difficulty in the implantation process arises because of the possibility of losing the intraocular lens (IOL) into the vitreous cavity and the need to change the hand holding the forceps during the enclavation. M ETHODS. The new forceps design radically changes the method of grasping an IOL. It contains an extendable supporting plate with a hook-like end. The instrument achieves a horizontal three-point fixation at the edge of the implant in the 6 and 12 o’clock position in order to prevent slippage into the vitreous cavity during the inclination. The supp…
Closed foldable capsular rings
2004
A new foldable capsular tension and bending ring system with a sharp-edged design is described. The closed foldable capsular rings (CFCR) consist of 8 hydrophobic and 8 hydrophilic ring segments. The CFCRs have a 9.2 mm minimum overall diameter. The CFCRs were inserted using various cartridge systems or a two-folded technique with a forceps. The CFCRs were implanted after phacoemulsification through a small (1.6 to 3.2 mm) incision in 104 human adult eyes without intraoperative complications. No postoperative complications such as capsule folds or inward bending were observed over a 6-month follow-up. Posterior capsule opacification was minimal or absent in all eyes.
The extent of adhesion induction through electrocoagulation and suturing in an experimental rat study.
2008
Objective To investigate the effect of three types of peritoneal trauma occurring during surgery (high-frequency bipolar current, suturing, and mechanical damage) on postoperative adhesion formation in a rodent animal model. Design Randomized, controlled experimental trial in an in vitro animal model. Setting Laboratory facilities of a university department of obstetrics and gynecology. Animal(s) Thirty-five female Wistar rats. Intervention(s) Bilateral experimental lesions were created on the abdominal wall in every animal. The effect of minimal electrocoagulation was examined by creating lesions (n = 14) through sweeps of a bipolar forceps with a duration of 1 second and standardized pres…
Vacuum inversion and securing of distal colonic pseudodiverticula with novel spiked O-rings
2015
Background Diverticular disease is increasingly prevalent in Western societies and is associated with significant morbidity. Objective Two-stage endoscopic device development for inversion and secured ligation of colonic diverticula; first, human cadaver studies were performed to measure forces required for diverticular inversion; second, a novel set of devices (elastic spiked O-ring with delivery system) was tested in animals. Design Prospective, observational study of human cadavers and prospective, interventional study of a porcine model. Setting University hospital pathology laboratory and animal facility. Intervention Full-thickness inversion of the colonic wall with a pipelike deliver…
Spatules de Thierry ou forceps : comparaison des morbidités materno-fœtales
2016
Resume Objectif Comparer la morbidite materno-fœtale immediate lors d’une l’extraction par forceps ou par spatules de Thierry. Methodes Etude retrospective, descriptive, monocentrique de 2006 a 2012. Les extractions etaient realisees par spatules ou forceps pour defaut de progression du mobile fœtale, sur singleton, en presentation cephalique, a terme, sans anomalies du rythme cardiaque fœtal et sans pathologie gravidique associee. Resultats Notre serie comprenait 65 extractions par spatules contre 77 par forceps. Nos populations etaient comparables. Au niveau maternel, on retrouvait davantage de perinees intacts (5,19 % versus 15,38 %, p = 0,04), autant de dechirures vaginales et moins de …
Forceps size and immune function in the earwig Forficula auricularia L.
2007
Females of many species select their mates on the basis of the size or intensity of sexual ornaments, and it has been suggested that these provide reliable signals of a male’s ability to resist parasites and pathogens. European earwigs, Forficula auricularia, are sexually dimorphic in forceps shape and length. Male forceps are used as weapons in male contests for access to females, but recent findings suggest that females also choose males on the basis of their forceps length. In the present study, we tested the hypotheses that in the European earwig, F. auricularia, the size of forceps is correlated with immune function and that immune function differs between the sexes. We found that enca…
Percutaneous transrenal catheter retrieval.
1984
Percutaneous transrenal catheter retrieval was successfully performed in 6 of 7 patients using the percutaneous transrenal access. Three broken nephrostomy tubes and 3 indwelling splints were extracted. The instruments used were deflecting guide wire in 1, grasping forceps in 2, and Dormia stone basket in 3 instances. No complications were encountered.
Oral myiasis in a cerebral palsy patient: A case report
2010
Myiasis is a rare condition caused by the invasion of tissues by the larvae of flies, mainly from the order of Diptera. Many cases of myiasis involving various human organs have been reported. Oral Myiasis is very rare in healthy persons. It occurs mainly in the tropics and is usually associated with inadequate personal and public hygiene; sometimes accompanied by poor manual dexterity. We present a case of oral myiasis in a mentally retarded, 13- year-old boy suffering with cerebral palsy. The diagnosis was based on the characteristic clinical features and the visualization of wriggling larvae. Large numbers of larvae were found in the gingival sulcus. Treatment consisted of manual removal…
Complications in third molar removal: A retrospective study of 588 patients
2010
Objectives: Surgical removal of third molars is a regular surgical procedure, which like all operations, may have complications. The purpose of the study was to analyze the incidence of complications and their relationship with the surgical difficulty in a group of 588 patients treated by the same oral and maxillofacial surgeon. Study design: This retrospective cohort study consisted of 1699 third molars (M3) removed between 2005 and 2008. The teeth were grouped into a 6-class scale of surgical difficulty rated according to the surgical procedure description in the patient?s file: I: upper M3 requiring forceps only; II: upper M3 requiring osteotomy; III: upper M3 requiring osteotomy and too…
Direct transnasal cholangioscopy with ultraslim endoscopes: a one-step intraductal balloon-guided approach.
2011
Background Direct cholangioscopy using an ultraslim endoscope is an attractive alternative to the conventional mother–baby endoscope system because it provides a single-operator platform and high-resolution image quality and allows advanced therapeutic interventions. However, biliary access is cumbersome and usually requires previous guidewire placement via retrograde cholangiography. Objective To evaluate the feasibility of a 1-step transnasal cholangioscopy (TNC) technique using an ultraslim endoscope with an intraductal balloon to maintain access without previous guidewire placement. Design Prospective, observational clinical feasibility study. Setting Single tertiary referral center. Ma…