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Related Concept Videos

Mechanical Characteristics of Steel01:18

Mechanical Characteristics of Steel

The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used to...
Steel Fastening Techniques01:17

Steel Fastening Techniques

Steel sections can be joined together through various fastening techniques including riveting, bolting, and welding, each suitable for different structural requirements and conditions.
Rivets are cylindrical steel fasteners with a specially designed head. During application, rivets are heated until white-hot and then inserted through pre-drilled holes in the steel sections. A pneumatic hammer is used to shape the exposed end into a second head, securing the sections together.
Bolting is another...

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Related Experiment Video

Updated: Jul 14, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Investigating Titanium Fastener Technology: Results from the Multi-center Prospective CRIMP Study.

Farhad Bakhtiary1, Nermir Granov2, Miriam Silaschi3

  • 1Department of Cardiac Surgery, University Hospital Bonn, Venusberg Campus 1, Building B25, 53127, Bonn, Germany.

Advances in Therapy
|July 13, 2026
PubMed
Summary

Automated titanium fasteners offer a technically feasible and safe method for suture fixation in heart valve surgery. This innovative technology demonstrated 100% device success in the CRIMP study, with no device-related adverse events.

Keywords:
Automated fastenersEndoscopic surgeryMinimally invasive surgeryValve surgery

Related Experiment Videos

Last Updated: Jul 14, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Area of Science:

  • Cardiovascular Surgery
  • Biomedical Engineering
  • Surgical Technology

Background:

  • Titanium fastener technology is gaining traction in cardiac surgery for both minimally invasive and open procedures.
  • It aims to improve operative efficiency and ensure consistent suture fastening.

Purpose of the Study:

  • To assess the technical feasibility of automated titanium fasteners for suture fixation in heart valve surgery.
  • To evaluate the short-term safety of this technology in repair and/or replacement procedures.

Main Methods:

  • The CRIMP study enrolled 120 patients undergoing heart valve surgery (repair or replacement) at three centers.
  • It was a prospective, multicenter study evaluating device success and prosthesis implantation time as primary endpoints.

Main Results:

  • The study included 120 low-risk patients (mean age 62.5 years, 33.3% female) with predominantly mitral regurgitation.
  • Automated titanium fasteners achieved 100% device success with no failures in gripping or crimping.
  • Median implantation times were 25 minutes for aortic and 50 minutes for mitral valve procedures; no device-related adverse events or prosthesis dehiscence were observed at 30 days.

Conclusions:

  • Automated titanium fastener technology is technically feasible for suture fixation in heart valve surgery.
  • The technology demonstrated short-term safety with no observed device-related adverse events.