Pelvic Anchor Plate Attachment for Penile Prosthesis Stability
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Solution Overview
Problem
Existing penile prostheses face challenges in anchoring to the pelvic region, particularly in female-to-male transgender individuals and natal males with congenital disorders or trauma, as the proximal corpora cavernosa may not be present, leading to difficulties in securing the prosthesis and potential complications like migration or crossover.
Innovation Solution
An implantable device featuring an anchor plate coupled to the pelvic bone, with an attachment interface for the penile prosthesis, allowing secure anchoring and adjustable members to facilitate neophallus construction, reducing invasive procedures and complications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a penile prosthesis is implanted without an anchor plate in patients lacking proximal corpora cavernosa, then the prosthesis cannot be securely anchored to the pelvic region, but using traditional anchoring methods requires highly invasive phalloplasty procedures with extended operating time and high infection risk
Solution Approach 1:
The device is divided into two separate components: an anchor plate that is surgically implanted and secured to the pelvic bone, and a penile prosthesis that attaches to the anchor plate via an attachment interface. This segmentation allows the anchoring function to be separated from the prosthetic function, enabling secure anchoring in patients lacking proximal corpora cavernosa without requiring highly invasive phalloplasty procedures.
2Ease of operation
If traditional penile prosthesis implantation is performed without an anchor plate system, then the procedure is simpler, but the prosthesis may migrate or crossover due to inadequate anchoring
Solution Approach 1:
The anchor plate is implanted and secured to the pelvic bone in advance, creating a stable anchoring structure before the penile prosthesis is attached. This preliminary action ensures that the prosthesis has a secure foundation from the start, preventing migration or crossover while maintaining relative surgical simplicity through the modular attachment design.
3Reliability
If an anchor plate with attachment interface is used to securely anchor the prosthesis, then anchoring reliability improves, but the device structure becomes more complex
Solution Approach 1:
The anchor plate serves multiple functions: it anchors to the pelvic bone providing secure fixation, and it provides an attachment interface for connecting the penile prosthesis. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device structure complexity while achieving reliable anchoring.
Data Source
AI summary
An implantable device for penile construction includes an anchor plate configured to be coupled to a pelvic bone of a patient, where the anchor plate has an attachment interface configured to be coupled to a penile prosthesis after the anchor plate is coupled to the pelvic bone.