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Initial evaluation of robotic technology for microsurgical vasovasostomy

Identifieur interne : 006B91 ( Main/Exploration ); précédent : 006B90; suivant : 006B92

Initial evaluation of robotic technology for microsurgical vasovasostomy

Auteurs : Wayne Kuang [États-Unis] ; Paul R. Shin [États-Unis] ; Surena Matin [États-Unis] ; Anthony J. Jr Thomas [États-Unis]

Source :

The Journal of urology [ 0022-5347 ] ; 2004.

RBID : Pascal:04-0441812

Descripteurs français

Pascal (Inist)
- Evaluation, Robotique, Technologie, Microchirurgie, Vasovasostomie, Homme, Urologie, Traitement, Néphrologie.
Wicri :
- topic : Robotique, Technologie, Homme.

English descriptors

KwdEn :
- Equipment Design, Evaluation, Feasibility Studies, Human, Humans, In Vitro Techniques, Male, Microsurgery, Nephrology, Robotics, Robotics (instrumentation), Suture Techniques, Technology, Treatment, Urology, Vasovasostomy, Vasovasostomy (methods).
MESH :
- instrumentation : Robotics.
- methods : Vasovasostomy.
- Equipment Design, Feasibility Studies, Humans, In Vitro Techniques, Male, Microsurgery, Suture Techniques.

Abstract

Purpose: Conventional microscope assisted vasovasostomy (MAW) is a technically difficult procedure that is most successful in the hands of well-trained microsurgeons. Robotics may help surgeons overcome the microsurgical challenges of tremor, limited dexterity, miniaturized instrumentation and use of fine suture. We determine the feasibility of a robotic assisted vasovasostomy (RAW) and compare performance measures with those of conventional MAW. Materials and Methods: One surgeon performed 10 vasovasostomies with a modified 1-layer technique and 9-zero suture on fresh human vas specimens using the robot in 5 RAW cases and standard microsurgical instrumentation in 5 MAW cases. Pre-specified performance measures and adverse haptic events (broken sutures, bent needles or loose stitches) were recorded. Patency was evaluated by instilling saline through the anastomoses. Results: Mean operating time and number of adverse haptic events were higher for RAW than for MAW (84 vs 38 minutes, p = 0.01; 2.4 vs 0.0 events, p = 0.03). The number of needle passes required for the 6 full-thickness stitches was similar in both groups (16.8 vs 15.2 passes, p = 0.55). Although no tremor occurred during RAW, minimal to moderate amounts occurred during MAW. Minimal fatigue was noted for both groups. Patency was confirmed in all 10 operations. Conclusions: Use of RAW in this human ex vivo vas model was feasible. While RAW took longer to perform and was associated with adverse haptic events, elimination of tremor and comparable patency rates suggest that it may be a viable surgical alternative for microsurgical vasovasostomy.

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">Purpose: Conventional microscope assisted vasovasostomy (MAW) is a technically difficult procedure that is most successful in the hands of well-trained microsurgeons. Robotics may help surgeons overcome the microsurgical challenges of tremor, limited dexterity, miniaturized instrumentation and use of fine suture. We determine the feasibility of a robotic assisted vasovasostomy (RAW) and compare performance measures with those of conventional MAW. Materials and Methods: One surgeon performed 10 vasovasostomies with a modified 1-layer technique and 9-zero suture on fresh human vas specimens using the robot in 5 RAW cases and standard microsurgical instrumentation in 5 MAW cases. Pre-specified performance measures and adverse haptic events (broken sutures, bent needles or loose stitches) were recorded. Patency was evaluated by instilling saline through the anastomoses. Results: Mean operating time and number of adverse haptic events were higher for RAW than for MAW (84 vs 38 minutes, p = 0.01; 2.4 vs 0.0 events, p = 0.03). The number of needle passes required for the 6 full-thickness stitches was similar in both groups (16.8 vs 15.2 passes, p = 0.55). Although no tremor occurred during RAW, minimal to moderate amounts occurred during MAW. Minimal fatigue was noted for both groups. Patency was confirmed in all 10 operations. Conclusions: Use of RAW in this human ex vivo vas model was feasible. While RAW took longer to perform and was associated with adverse haptic events, elimination of tremor and comparable patency rates suggest that it may be a viable surgical alternative for microsurgical vasovasostomy.</div>
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Serveur d'exploration sur les dispositifs haptiques

Initial evaluation of robotic technology for microsurgical vasovasostomy

Initial evaluation of robotic technology for microsurgical vasovasostomy

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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