Rotatable Suture Pressure Closure for Even Vessel Compression
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Solution Overview
Problem
Current medical procedures face challenges in effectively closing vascular vessels and incision sites post-catheter removal, leading to continuous bleeding, especially in patients on anticoagulant therapy, which necessitates prolonged caregiver presence and occupancy of the surgery room.
Innovation Solution
A vessel clamping pressure device with a rotatable base cover and spindle mechanism that applies tension to suture threads, ensuring even pressure on the incision site, allowing for mechanical closure and clotting without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual pressure application by caregiver is used to close vascular vessel, then bleeding control is achieved, but surgery room occupancy time increases and productivity decreases
Solution Approach 1:
The device applies pressure to the vascular vessel closure site through its own weight via the weighted bag mechanism, eliminating the need for continuous manual pressure application by a caregiver. The device self-maintains pressure on the incision site after catheter removal, allowing the surgery room to be freed while ensuring reliable bleeding control.
Solution Approach 2:
The device introduces a mechanical intermediary (weighted bag and pressure applying surface) between the caregiver and the vascular vessel closure site. This intermediary maintains continuous pressure on the incision site without requiring direct caregiver presence, thus resolving the contradiction between reliable bleeding control and surgery room occupancy time.
2Manufacturing precision
If rotatable base cover with slit is used to align sutures, then even pressure distribution is achieved, but device complexity increases
Solution Approach 1:
The base cover is designed to be rotatable relative to the pressure applying surface, allowing dynamic adjustment of suture alignment. The slit in the base cover can be rotated to match the orientation of sutures at the incision site, ensuring even pressure distribution across the closure while accommodating variations in surgical positioning. This dynamic element adds minimal complexity while significantly improving pressure uniformity.
Data Source
AI summary
Various embodiments include a vessel closure pressure device that includes a pressure applying element coupled to support structure, a spindle within the support structure configured to wind up sutures fitted through a slit in the device to apply tension to the sutures, and a base cover attached to the pressure applying element having a slit partially through the bottom surface that is configured to press against the skin of a patient and to be rotated relative to the pressure applying element. In use, sutures extending from a sutured incision are slipped into the slit in the base cover and the sutured incision pressure device, and then the base cover is rotated to bring both sutures together along the centerline of the device, thereby enabling the spindle to tension both sutures evenly.