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At least 523 records · Page 29Linked to original sources
PubMed1989

Three ophthalmological instruments: the rotating contact glass holder, the cutying forceps and the diamond cystotome.

Three new ophthalmological instruments are described: a rotating contact glass holder for easier control of the three-mirror Goldmann or other diagnostic contact lens which must be rotated on the eye; a suture-tying forceps combined with a sapphire blade, combining the tying and cutting functions in one instrument and a diamond cystotome for anterior capsulectomy with a cutting edge of unequalled sharpness.

Microsurgery↗
PubMed1986

Wound healing of true vocal cord squamous epithelium after CO2 laser ablation and cup forceps stripping.

A study was conducted on the effect of deepithelization of the true vocal cords; microcup forceps were used, as opposed to CO2 laser ablation. A CO2 laser, coupled to an operating microscope, was used to ablate the surface epithelium of the right true vocal cords in eight canines, while conventional microlaryngeal stripping was performed on the left true cords in the same animals. Photographs were taken immediately after injury and again before the animals were killed. Histologically, the series of true vocal cords ablated by the CO2 laser revealed granulation formation at day 5, whereas those treated with conventional stripping developed granulation at day 3, thus indicating delayed healing. Charred carbonaceous debris of CO2 laser ablation was found to cause a giant cell reaction that persisted after reepithelization. Despite the precise control offered by the laser, many of the laser-injured true vocal cords revealed vocalis muscle edema and muscle destruction. After healing occurred, dense fibrosis was found in the vocal muscle injured during CO2 laser ablation of the overlying squamous epithelium.

Animals↗
PubMed1981

Value of multiple forceps biopsies in assessing the malignant potential of colonic polyps.

Fifty-nine colo-rectal polyps were detected at endoscopy and repeatedly biopsied before removal by endoscopic snare polypectomy. The aim of the present paper was to evaluate the reliability of multiple forceps biopsies in assessing both the malignant potential and the presence or absence of invasive cancer (IC) in colo-rectal adenomas (CRA). In order to achieve the first objective, the histologic types and the degree of dysplasia have been defined. The data obtained by means of multiple biopsies examination, compared with those of polyp in toto study, show that fractional biopsies were of value in the histologic classification of only the smallest 41 polyps (agreement 88.09%), whilst no reliability of biopsies was demonstrated in the 18 largest polyps (agreement 27.68%). In the field of dysplasia grading, the agreement was 55% and 61% for the smallest and the largest CRA respectively. These last figures are hardly acceptable. Biopsies examination gave also under- and overestimation of the histologic severity and of dysplasia as well as a significant incidence of false negative results in IC detection. It is concluded that polypectomy is the only method which provides adequate material for precise diagnosis, no matter how large a polyp. Therefore it should be performed whenever possible. Finally the authors discuss the management of small sessile adenomas.

Biopsy↗
PubMed2006

The Spencer Wells forceps.

This is the first of a six-part biographical series tracing the lives of the people behind some of today's most commonly used surgical instruments. Surely the most recognisable 'name behind the instrument' must be that of Sir Thomas Spencer Wells (1818-1897), whose ratchet haemostatic forceps represented a simple but important advance in surgical instrument technology.

Hemostasis, Surgical↗
PubMed2004

Comparison of two percutaneous tracheostomy techniques, guide wire dilating forceps and Ciaglia Blue Rhino: a sequential cohort study.

INTRODUCTION: To evaluate and compare the peri-operative and postoperative complications of the two most frequently used percutaneous tracheostomy techniques, namely guide wire dilating forceps (GWDF) and Ciaglia Blue Rhino (CBR). METHODS: A sequential cohort study with comparison of short-term and long-term peri-operative and postoperative complications was performed in the intensive care unit of the University Medical Centre in Nijmegen, The Netherlands. In the period 1997-2000, 171 patients underwent a tracheostomy with the GWDF technique and, in the period 2000-2003, a further 171 patients with the CBR technique. All complications were prospectively registered on a standard form. RESULTS: There was no significant difference in major complications, either peri-operative or postoperative. We found a significant difference in minor peri-operative complications (P < 0.01) and minor late complications (P < 0.05). CONCLUSION: Despite a difference in minor complications between GWDF and CBR, both techniques seem equally reliable.

Adult↗
PubMed2003

Comparison of canine heartworm removal rates using flexible alligator forceps guided by transesophageal echocardiography and fluoroscopy.

Fluoroscopy (FS)- or transesophageal echocardiography (TEE)-guided heartworm removal was carried out using flexible alligator forceps to compare the rate of worm removal. As a result, the worm removal rates were similar between the two procedures. However, the TEE-guided procedure does not involve radiation exposure, and facilitates observation of worms in the cardiac chamber and pulmonary artery. Therefore, the TEE-guided procedure is thought to be more useful than the FS-guided procedure in clinical setting.

Animals↗
PubMed1990

Improvement in pulmonary arterial lesions after heartworm removal using flexible alligator forceps.

Improvement of pulmonary arterial lesions after heartworm removal using flexible alligator forceps was investigated by measuring pulmonary arterial pressure (PAP), and by angiographic and histopathological examinations in 11 dogs. PAP obtained immediately after worm removal corresponded well with angiographic abnormalities. In 2 dogs, high PAP immediately after worm removal fell gradually by 12 weeks, and obstructions on angiogram were resolved at 4 to 12 weeks. In 4 dogs, slightly high PAP fell to the normal range at 4 weeks, and angiographic abnormalities were considerably reduced at 4 to 12 weeks. In 5 dogs, PAP returned to normal range immediately after worm removal, and angiographic changes almost disappeared at 4 to 8 weeks. On biopsy immediately after worm removal, samples of the main pulmonary arteries showed severe intimal proliferations with villous or papillary protrusion into the lumen. Autopsy at 12 to 20 weeks indicated that the intimal protrusions were remarkably reduced as compared with the biopsy samples in all cases. However, villous intimal protrusions were seen in the caudal lobar arteries in cases with remaining alive worms. New vessels seemed to develop into thromboemboli with time. From these findings, it is clear that the pulmonary arterial lesions improved after heartworm removal, and the clinical signs disappeared following the improvement in hemodynamics. Aspirin therapy (5 mg/kg/day) for 4 weeks after worm removal in 5 dogs did not improve the intimal lesions as compared to 3 control dogs.

Animals↗
PubMed1975

Transbronchial forceps lung biopsy through the fiberoptic bronchoscope. tdiagnosis of diffuse pulmonary disease.

Transbronchial forceps biopsy through the fiberoptic bronchoscope was performed in 37 patients. Tissue was technically inadequate for examination in two cases. A pathologic diagnosis was obtained in 26 (72 percent) and in five additional critically ill patients, direct histologic examination of lung tissue allowed exclusion of certain entities, thus significantly influencing therapy. Overall, the procedure was of value in 31 of 35 patients (90 percent). There was no significant hemorrhage and there was one 15 percent pneumothorax. The safety and high diagnostic yield of this technique in the diagnosis of diffuse lung disease is proved.

Adenocarcinoma, Bronchiolo-Alveolar↗
PubMedDate not supplied

[Cost analysis of reprocessing disposable forceps used in video-assisted surgery].

This study aimed to analyze the reprocessing costs of disposable forceps used in video-assisted surgery. The frequent reuse of these instruments is justified by their high cost. However, few studies have been carried out on this topic. The multiple case study method was applied in three hospitals in the State of São Paulo, using the observation and document analysis techniques. In case number one, the processing cost was R dollars 9.37, R dollars 6.59 for case number two and R dollars 3.31 for case number three. The low cost observed should be analyzed with caution, since it was observed that quality-control plays a role in the final cost. When the quality-control measures are adopted, the reprocessing costs jumped to R dollars 185.19 for case number one, R dollars 595.82 for case number two and to R dollars 363.10 for case number three.

Brazil↗
PubMed2006

Histologic characteristics of gastric polyps in Korea: emphasis on discrepancy between endoscopic forceps biopsy and endoscopic mucosal resection specimen.

AIM: To investigate histological characteristics of gastric polyps in the Korean population. METHODS: We reviewed endoscopic photographs and medical records of patients with gastric polyps who underwent endoscopic mucosal resection from April 1996 through February 2003. RESULTS: A total of 85 gastric polyps from 74 patients were reviewed. Male-to-female ratio was 1:1.96. Mean age was 59.9 +/- 10.8 years. Multiple polyps were observed in 10.8%. Gastric polyps occurred most frequently in the antrum (58.8%). Pathological results on resected specimens were as follows: tubular adenoma 45.9%, hyperplastic polyp 31.8%, inflammatory polyp 9.4%, hamartoma 3.5%, fundic gland polyp 2.4%, tubulovillous adenoma 2.4%, adenocarcinoma 2.4%, dysplasia 1.1%, and mucosal pseudolipomatosis 1.1%. Discrepancy rate between endoscopic biopsy and pathology of resected specimens was 27.1%. There was no relationship between the size of the polyp and concordance rate. CONCLUSION: There is considerable discrepancy in histologic findings between endoscopic forceps biopsy and resected specimens. Approaches to review of the histology of an entire polyp should be performed, especially when an adenoma is suspected.

Aged↗
PubMedDate not supplied

Intestinal obstruction from a forgotten artery forceps: a case report.

A 43-year-old multiparous patient p2+0 all alive who had abdominal hysterectomy secondary to ruptured uterus 2 1/2 years prior to presentation, was seen with acute (surgical) abdomen. An artery forceps was seen on plain abdominal X-ray and subsequent laparotomy revealed gangrenous ileum. The entire length of the ileum was involved, including the ileocecal valve and part of the cecum. The patient had limited right hemicolectomy and anastomosis of the distal part of the jejunum with the proximal section of the transverse colon. The post-operative period was uneventful and she was discharged to outpatient clinic 2 weeks post operatively.

Abdomen, Acute↗
PubMed2001

Laparoscopic forceps--a useful tool in revision hip arthroplasty.

During revision hip arthroplasty, distal cement plugs and broken instrument tips in the femoral canal pose quite a challenge. We report the use of laparoscopic forceps to facilitate their removal thereby avoiding complications associated with other methods previously described.

Arthroplasty, Replacement, Hip↗
PubMed2001

A technique for resection of small bladder tumors using a flexible cystoscope on an outpatient basis: bladder tumor resection with newly designed hot cup forceps.

PURPOSE: We describe a technique for resecting small papillary superficial bladder tumors using a new device and flexible cystoscope. MATERIALS AND METHODS: In a 79-year-old man 3 small recurrent papillary bladder tumors were resected transurethrally on an outpatient basis. The procedure was performed using a flexible cystoscope and a newly designed type of cup forceps with the patient under topical anesthesia. No urethral catheter remained indwelling after surgery and the patient was discharged home the same day. RESULTS: Bladder tumor resection using this technique was tolerable to the patient and postoperative bladder hemorrhage was not noted. Resected specimens were adequate for pathological tumor evaluation, which revealed grade 1 stage Ta superficial transitional cell carcinoma of the bladder. CONCLUSIONS: This easy technique seems to be tolerated well by the patient. Resected specimens should be adequate for evaluating the pathological grade and depth of stage Ta or T1 superficial bladder cancer. This technique may be an alternative to standard transurethral resection for removing small recurrent bladder lesions in select patients who prefer outpatient management of bladder tumors.

Aged↗
PubMed2001

[A new instrument in eyelid surgery: ptosis forceps with a protected lock].

We report on a new instrument in eyelid surgery: the ptosis forceps with a protected lock. This new device helps the surgeon to dissect the levator muscle to facilitate any type of levator surgery. It is particularly useful in the adjustment of the superior lid margin level towards the corneoscleral area in ptosis surgery with levator resection.

Equipment Design↗
PubMedDate not supplied

Percutaneous tracheostomy by guidewire dilating forceps technique: review of 98 patients.

BACKGROUND: Percutaneous tracheostomy to a large extent has replaced conventional surgical tracheostomy by virtue of its low incidence of complications and the rapidity with which the procedure can be performed at the bedside avoiding transport of critically ill patients to the operating rooms. Since it is a blind approach, bronchoscopic guidance has been suggested which might not always be possible due to logistic reasons. METHODS: A retrospective study of 98 patients who had guide wire dilating forceps technique of percutaneous tracheostomy without the aid of a bronchoscope was undertaken. By ensuring the free mobility of the guide wire at each step of the procedure, a safe placement of the tracheostomy tube was achieved. RESULTS: The mean operating time was 3.05 mins [S.D:2.20]. Two patients had peristomal bleeding as an early complication. 34 patients could be decannulated with good primary approximation of the stomal tissues [mean: 3.92days, S.D: 1.46]. There were no deaths or life threatening complications attributable to this technique. CONCLUSIONS: In the absence of bronchoscopic guidance, adopting the simple but effective precaution of free movement of guide wire at each step of the procedure, a safe tracheostomy tube placement is possible.

Adolescent↗
PubMed2002

Transcervical chorionic villus sampling in multiple pregnancies using a biopsy forceps.

OBJECTIVE: The aim of this study was to assess the effectiveness and safety of chorionic villus sampling (CVS) performed in multiple pregnancies by means of a transcervical biopsy forceps. METHODS: The study included CVS performed from January 1990 to March 2000 in our Unit. The results were analysed in two consecutive periods, period A (1990-1994) and period B (1995-2000), in an attempt to assess the effect of increasing experience. RESULTS: Seventy-five samplings were performed in 39 multiple pregnancies, 38 twin sets and one triplet. A cytogenetic report was obtained in 73% of cases in period A and in 98% in period B. An abnormal karyotype was observed in 11 samples. The need for subsequent amniocentesis decreased from 38% in period A to 10% in period B. The spontaneous fetal loss rate in chromosomally and structurally normal fetuses before the 20th week decreased from 8.7% in period A to 3.3% in period B. The fetal loss rate after the 20th week was 3.3% in period B and none in period A. It must be noted that in three out of the four cases of fetal loss an amniocentesis was needed after CVS. CONCLUSION: Our results suggest that effectiveness and safety improved with increasing experience. Transcervical chorionic villus sampling allows an earlier prenatal genetic diagnosis in multiple pregnancies and this may be particularly relevant for a safer selective termination when chosen by parents if one of the fetuses has an abnormal karyotype.

Abortion, Spontaneous↗
PubMed2002

Percutaneous tracheostomy by guidewire dilating forceps technique: is bronchoscopic guidance mandatory?

BACKGROUND AND OBJECTIVE: Percutaneous tracheostomy is a blind technique where-in bronchoscopy is advocated but is rarely practiced. Our study is aimed at evaluating the potential safety of this procedure when performed without bronchoscopic guidance. METHODS: This is a retrospective analysis of seventy-eight patients who underwent percutaneous tracheostomy using the Guide Wire Dilating Forceps method for prolonged periods of ventilation and/or for bronchial toileting for various underlying diseases. The procedure time and various complications were noted and compared with the historical controls from the literature. RESULTS: The mean duration of the procedure was 3.09 +/- 0.49 minutes with a range of 1.5 to 14 minutes in comparison to 8.9 minutes with a range of 2 to 33 minutes as in literature where-in bronchoscopy was used. No major perioperative complications were encountered. Two patients (2.6%) had persistent peristomal oozing as an early complication when compared to that in the literature (12.5%) (p < 0.05). Twenty-seven patients were decannulated, with good tissue approximation (mean: 3.51 days). CONCLUSIONS: In the absence of bronchoscopic guidance, percutaneous tracheostomy can be performed safely and speedily if simple precautions like ensuring free aspiration of air on needle insertion into trachea, bubbling of fluid placed over the hub of the cannula during ventilation and free mobility of guide wire at each step of the procedure were observed to secure the right positioning of the tracheostomy tube.

Adolescent↗