Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

[Ionomer cement in cochlear implant surgery]

J Müller1, G Geyer, J Helms

  • 1Universitätsklinik und Poliklinik für Hals-Nasen-Ohrenkranke, Würzburg.

Laryngo- Rhino- Otologie
|January 1, 1993
PubMed
Summary

This study explores the use of ionomer cement in cochlear implant surgery. Ionomer cement is a two-part material made from glass powder and acid. It is used to fix the cochlear implant’s internal receiver and electrode to the temporal bone. The material has a five-minute working time, allowing surgeons to apply it precisely. Once set, the cement is stable and well-tolerated by the body. It prevents displacement and damage to the implant components. The cement is available as a commercial product and is compatible with existing surgical tools. The authors suggest that this material could be a reliable alternative to traditional fixation methods in cochlear implant surgery.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Is pro-matrix metalloproteinase-3 a marker for posttraumatic cartilage degradation?

Osteoarthritis and cartilage·2003
Same author

Intrathoracic desmoid tumor with invasion of the great vessels.

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery·2002
Same author

[Results after rebuilding the ossicular chain using the autogenous incus, ionomer-cement-and titanium implants (tympanoplasty type III)].

Laryngo- rhino- otologie·2002
Same author

[Revision tympanoplasty].

HNO·2002
Same author

Vestibular function in patients with cochlear implant surgery.

Advances in oto-rhino-laryngology·2002
Same author

Clinical experience with the Vibrant Soundbridge implant device.

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·2001

Area of Science:

  • Otolaryngology and head and neck surgery
  • Biomedical materials in surgical applications
  • Cochlear implantation techniques

Background:

Current surgical approaches for cochlear implantation rely on standard fixation methods that may not always ensure long-term stability. While prior research has shown that ionomer-based materials are well-tolerated in middle ear and plastic surgery, their application in cochlear implant fixation remains unexplored. This gap motivated the investigation of ionomer cement as a potential solution for securing cochlear implants. No prior work had resolved how well this material could integrate with the temporal bone in implant surgery. The manipulation and setting properties of ionomer cement suggest it could be suitable for surgical use. Its biocompatibility and stability in biological environments are already established in other surgical contexts. The need for a material that prevents displacement of the internal receiver and electrode remains unmet. This paper introduces a new application of a known material in a novel surgical context.

Purpose Of The Study:

Keywords:
ionomer cementcochlear implant surgerybiocompatible materialtemporal bone fixation

Frequently Asked Questions

Ionomer cement is a two-component material formed by a reaction of glass powder and polycarboxylic acid. It is used to fix the internal receiver and electrode of a cochlear implant to the temporal bone.

Ionomer cement is biocompatible, stable in biological environments, and has a five-minute manipulation period, allowing for precise application during surgery.

A five-minute manipulation period allows surgeons sufficient time to apply the cement accurately before it sets and hardens.

The cement forms a stable bond with the temporal bone, securing the implant components and reducing the risk of displacement during or after surgery.

Related Experiment Videos

The goal was to evaluate ionomer cement as a fixation material for cochlear implants. The specific problem addressed is the risk of internal receiver and electrode displacement during or after surgery. The motivation stems from the need for a biocompatible, stable, and manipulable material in cochlear implant surgery. Ionomer cement's properties suggest it could meet these requirements. The study aimed to determine if this material could be used to securely attach the implant components to the temporal bone. The manipulation period of the cement was considered a practical factor for surgical use. The researchers sought to confirm whether the cement could prevent displacement and damage to the implant components. The study also aimed to assess the material's compatibility with existing surgical tools and procedures.

Main Methods:

The study utilized ionomer cement, a two-component system consisting of glass powder and polycarboxylic acid. The material is mixed in a controlled manner using a capsulated system, allowing for a five-minute manipulation period. The cement was applied during cochlear implant surgery to fix the internal receiver and electrode to the temporal bone. The setting process was observed to ensure proper adhesion and structural integrity. The material's biocompatibility was assessed based on prior studies in middle ear and plastic surgery contexts. The surgical procedure was adapted to incorporate the cement without altering standard implantation techniques. The researchers evaluated the cement's ability to prevent displacement and damage to the implant components. The study focused on the material's practical application rather than its chemical composition.

Main Results:

Ionomer cement successfully fixed the cochlear implant components to the temporal bone. The material's manipulation period of five minutes allowed for precise application during surgery. After setting, the cement remained stable and well-tolerated by surrounding tissues. The cement's biocompatibility was confirmed through prior studies in other surgical contexts. The material prevented displacement of the internal receiver and electrode during and after the procedure. The two-component system was found to be commercially available and easy to use in the operating room. The cement's permanent stability in a biological environment supports its suitability for long-term implant fixation. These findings suggest the material could be a reliable alternative to traditional fixation methods.

Conclusions:

The authors propose that ionomer cement is a viable material for securing cochlear implants to the temporal bone. The material's manipulation period and setting characteristics make it suitable for surgical use. The cement's biocompatibility and stability were confirmed through prior studies in other fields. The researchers suggest that this material could reduce the risk of implant displacement and damage. The use of a two-component capsulated system simplifies the surgical process. The material's compatibility with existing surgical tools and techniques was a key finding. The authors state that this approach could improve the long-term outcomes of cochlear implant surgery. These conclusions are based on the material's properties and prior research in related surgical contexts.

Failed At:

2026-07-14T07:37:05.983718+00:00

Yes, the cement and acid are commercially available as a two-component capsulated system, making it accessible for surgical use.

The authors propose that ionomer cement could be a reliable alternative to traditional fixation methods due to its stability and biocompatibility.