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Results for “Device Removal”

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At least 73 records · Page 4Linked to original sources
PubMed2001

Comparison of three mechanical thrombus removal devices in thrombosed canine iliac arteries.

PURPOSE: To assess and compare intimal and medial vascular damage caused by three mechanical wall-contact thrombectomy devices: Fogarty embolectomy catheter, Arrow-Trerotola peripheral thrombectomy device, and MTI-Castañeda over-the-wire brush. MATERIALS AND METHODS: Bilateral external iliac arteries of 15 canines were thrombosed before mechanical thrombolysis. Ten thrombosed arteries were randomly assigned to receive each device. Animals were sacrificed immediately, and histologic assessment of endothelial and medial damage in the vessels was performed. RESULTS: The vascular damage found with all devices extended into the tunica media. The Fogarty embolectomy catheter and the Arrow-Trerotola device caused significantly more damage than the Castañeda brush. CONCLUSION: All devices caused lesions extending into the media. Previous research has shown that the extent and depth of the vascular lesion may be contributing factors in promoting early atherosclerotic and accelerated hyperplastic intimal and medial changes. These findings warrant further study of these devices in an atherosclerotic model with longer follow-up.

Angiography↗
PubMed1995

[Biomechanics of healing of cortical autotransplants after intramedullary nailing and device removal].

The aim of the study was to investigate the biomechanical properties of segmental cortical autografts subjected to extracorporeal treatment. For this purpose, 12 beagle dogs were submitted to tibial osteotomy, when 25 mm-long diaphyseal segments of bone were removed and treated outside the body by autoclaving or gamma radiation (Co, 5 kGy). Subsequently, osteosynthesis involving the use of medullary nailing was performed. After 36 weeks, the dogs were killed painlessly and, after removing the nails, the tibias were tested for the biomechanical properties. In comparison with the contralateral tibia, a mean stiffness of 47% and 32% was measured for tibia treated by irradiation and autoclaving, respectively, while bending showed an increase of up to 590%. These results show the need to allow plenty of time for healing in the case of weightbearing transplants. When bealing is undisturbed, no biomechanical differences are found between proximal and distal osteotomies, although in the X-ray image the osteotomy gap (fracture line) remains visible, and scintigraphic activity persists for a longer period. This means that the radiological aspect of the former does not necessarily reflect actual biomechanical strength.

Animals↗
PubMed1994

Manual blood culture systems and the antimicrobial removal device.

In the midst of technologic advances within blood culture microbiology, several manual blood culture systems, which have an important role in the detection of bacteremia, mycobacteremia, and fungemia, are often overlooked. These include traditional broth-based systems, agar-broth biphasic blood culture techniques, a commercial broth-based manual system in which growth is detected by a broth displacement method, and lysis-centrifugation. This article reviews the operational features, advantages, and disadvantages of each.

Anti-Bacterial Agents↗
PubMed1986

Refracture of the hip rare after removal of fixation device.

We studied 99 patients who had had the fixation device removed from a healed hip fracture. During a total of 630 patient years 17 second hip fractures were observed, but only two of these were in the previously fractured hip. We conclude that the fixation device may be safely removed from a healed hip fracture.

Female↗
PubMed2006

A novel device for removal of the retained intrauterine device.

OBJECTIVE: To evaluate the efficacy and acceptability of the Macaluso stent removal forceps for removal of retained intrauterine devices (IUDs) under direct vision using a hysteroscope in an outpatient setting. METHODS: Nineteen consecutive patients with a retained IUD who had been referred from primary care to the gynaecologists at the Conquest Hospital, Hastings, UK were included in the study. Attempts were made to remove the IUDs under direct vision using the Gynecare Versascope and Macaluso forceps. RESULTS: The procedure was successful in 18/19 (94.7%) patients. The patients tolerated the procedure well and none of them complained of severe pain. CONCLUSION: This device is simple, safe, effective and acceptable for the removal of IUDs with lost threads.

Adult↗
PubMed1998

A review of bacteriological culture of removed intrauterine contraceptive devices.

A retrospective review of clinical and microbiological data was made, over an 18 month period, of intrauterine contraceptive devices removed and sent for examination. An association with symptoms at time of removal was found for Streptococcus agalactiae, Streptococcus milleri, enterobacteria and obligate anaerobes. Thirty four per cent of IUDs yielded one or more Actinomycesspecies spp but no correlation with symptoms was found. In the small group of symptomatic patients who were followed up, no difference in outcome was observed between those who were treated with antibiotics and those who were not.

Anti-Bacterial Agents↗
PubMed2001

Device for the removal of button batteries.

OBJECTIVE: There is an increasing number of accidents by erroneous ingestion of button batteries in recent years; the batteries arouse the interest of infants because of their attractive shape and luster. The batteries remaining in the gastrointestinal tract and discharging electric current over a long period of time may induce ulceration or perforation, thus must be carefully considered the selection of appropriate treatment. METHODS: We remove erroneously ingested button batteries with two tubes with ferrite magnets nearly the same size as the button batteries themselves. PATIENTS: Four cases of erroneous ingestion of button batteries. RESULTS: We easily removed button batteries from the stomach within 5 minutes in all cases with two magnet-attached tubes. CONCLUSION: We present this battery removal device together with a literature review, because it seems convenient and useful.

Equipment Design↗
PubMed2000

Prevention of tongue biting with a removable oral device: a clinical report.

A method of preventing tongue biting with a removal device has been described in this clinical report. Restraint of the tongue may be necessary to promote healing by preventing repetitive tongue biting or as a preventive measure after a surgery or an injury. Any device that is used to restrain the tongue should be removable to avoid prolonged interference with oral hygiene, swallowing, mastication, and speech. A removable device is desirable for long-term use by comatose or semicomatose patients.

Aged↗
PubMed1984

Influence of removal of intrauterine contraceptive devices on colonisation of the cervix by actinomyces-like organisms.

An overall prevalence rate of actinomyces-like organisms (ALO) in cervical smears from intrauterine contraceptive device (IUCD) users of 3% (79/2, 734) was found, with a rate of 2% and 22.6% for copper and inert IUCD users. Although the users of the inert IUCDs were older, and their devices had been in situ longer, these factors did not account for the significant difference between the two types of IUCD. Fifty-five patients were counselled and given a leaflet on ALO. Fourteen IUCD users with ALO positive smears who had their devices removed had mild or moderate pelvic pain or discharge. Six others who were asymptomatic had the IUCD removed at their own request. All fifty-five patients were re-examined six months to one year later, and a smear was repeated. Only one woman required later removal of the IUCD because of dyspareunia with pelvic tenderness. After removal of the IUCD, and without antibiotic therapy, in 100% (20/20) of the women, ALO colonisation was no longer found six to twelve months later. This applied even to seven women who had had a new copper IUCD inserted immediately after removal of the index device.

Actinomyces↗
PubMed2006

Laparoscopic creation of a neovagina with the laparoscopic Vecchietti operation: comparison of two instrument sets.

OBJECTIVE: To compare safety and effectiveness of two different instrument sets for the laparoscopic Vecchietti operation for the creation of a neovagina. DESIGN: Descriptive study. SETTING: Tertiary referral center. PATIENT(S): Twenty-six women with Rokitansky syndrome. Twelve consecutive patients had surgery with the kit recently developed by Storz (group 1) and 14 consecutive patients had surgery with the original kit of Vecchietti (group 2). INTERVENTION(S): Laparoscopic Vecchietti operation and clinical and instrumental follow-up for all patients. MAIN OUTCOME MEASURE(S): All the parameters reflecting safety, effectiveness, and compliance that were systematically measured for all patients. RESULT(S): Patients in group 1 had a wider vagina at device removal and experienced less vaginal bleeding than patients in group 2, and the removal of the device was simpler. Patients in group 1 had a shorter vagina at device removal and retained the device and the Foley catheter for a longer period than patients in group 2. Diameter and length of neovagina at 1-month follow-up were comparable in the two groups. CONCLUSION(S): The availability of this new instrument set represents a small but significant improvement in the creation of a neovagina by the laparoscopic Vecchietti operation in women with Rokitansky syndrome.

Adult↗
PubMed1987

Clinical evaluation of a new water removal measuring device in standard dialysis.

A new device measuring water removal during standard dialysis is evaluated. The filtrate, collected from a small hemofilter inserted into a normal Cuprophan hollow-fiber dialyzer, was used to evaluate the total water removed from the patient. The device was tested in 46 patients undergoing regular dialysis treatment; the body weight loss ranged from 300 to 5,600 ml for a total of 71 dialysis sessions. Results confirmed the reliability of the device, as the mean prediction error was 5.4%. No influence of the dialyzer blood rest volume on the prediction error was observed. The authors propose this system as an alternative to bed or armchair scales and emphasize its usefulness for experimental purposes.

Adult↗
PubMed1992

Removal of retained intrauterine contraceptive devices in pregnancy.

Using real-time ultrasound and clinical expertise gained from chorionic villus sampling, we describe a technique for ultrasound-guided intrauterine device removal in those cases in which the string is not visible. Utilizing a stone clamp for intrauterine manipulation, we were easily able to extract the device without interrupting the pregnancy. We concur with recent recommendations advocating all intrauterine devices can be removed if pregnancy termination is declined.

Adult↗