Karl-Johan Fredén Jansson

Researcher at Biomedical Signals and Systems

Karl-Johan Fredén Jansson is a postdoc researcher in the Biomedical signals and systems research group.

Source: chalmers.se

Contact Details

Publications (30)
Projects (0)

Showing 30 publications

2024

Objective verification of audibility in bone conduction devices

Ann -Charlotte Persson, Bo Håkansson, Karl-Johan Fredén Jansson et al

International Journal of Audiology. Vol. In Press

Journal article

2023

Ankle Audiometry: A Clinical Test for the Enhanced Hearing Sensitivity for Body Sounds in Superior Canal Dehiscence Syndrome

Luca Verrecchia, Karl-Johan Fredén Jansson, Magnus Westin et al

Audiology and Neuro-Otology. Vol. 28 (3), p. 219-229

Journal article

2023

A novel method for objective in-situ measurement of audibility in bone conduction hearing devices–a pilot study using a skin drive BCD

Ann Charlotte Persson, Bo Håkansson, Moksha Caveramma Mechanda et al

International Journal of Audiology. Vol. 62 (4), p. 357-361

Journal article

2023

The Validation of a Simultaneous Ocular and Cervical VEMP Recording Protocol to Unilateral AC Stimuli

Luca Verrecchia, Karl-Johan Fredén Jansson, Sabine Reinfeldt et al

Otology and Neurotology. Vol. 44 (10), p. e739-e746

Journal article

2022

Long-term follow-up and review of the Bone Conduction Implant

Sabine Reinfeldt, Mans Eeg-Olofsson, Karl-Johan Fredén Jansson et al

Hearing Research. Vol. 421

Review article

2021

Bone Conduction Stimulated VEMP Using the B250 Transducer

Karl-Johan Fredén Jansson, Bo Håkansson, Sabine Reinfeldt et al

Medical Devices: Evidence and Research. Vol. 14, p. 225-237

Journal article

2020

Three-Year Follow-Up with the Bone Conduction Implant

Ann Charlotte Persson, Sabine Reinfeldt, Bo Håkansson et al

Audiology and Neuro-Otology. Vol. 25 (5), p. 263-275

Journal article

2019

Robustness and lifetime of the bone conduction implant - a pilot study

Karl-Johan Fredén Jansson, Bo Håkansson, Cristina Rigato et al

Medical Devices: Evidence and Research. Vol. 12, p. 89-100

Journal article

2019

The bone conduction implant - a review and 1-year follow-up

Bo Håkansson, Sabine Reinfeldt, Ann-Charlotte Persson et al

International Journal of Audiology. Vol. 58 (12), p. 945-955

Journal article

2019

Nasal sound pressure as objective verification of implant in active transcutaneous bone conduction devices

Sabine Reinfeldt, Cristina Rigato, Bo Håkansson et al

Medical Devices: Evidence and Research. Vol. 12, p. 193-202

Journal article

2019

Effect of transducer attachment on vibration transmission and transcranial attenuation for direct drive bone conduction stimulation

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

Hearing research. Vol. 381, p. 107763-

Journal article

2018

VEMP using a new low-frequency bone conduction transducer

Bo Håkansson, Karl-Johan Fredén Jansson, Tomas Tengstrand et al

Medical Devices: Evidence and Research. Vol. 11, p. 301-312

Journal article

2018

Direct bone conduction stimulation: Ipsilateral effect of different transducer attachments in active transcutaneous devices

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

Hearing Research. Vol. 361, p. 103-112

Journal article

2017

Rehabilitating Patients with Bone Conduction Hearing Devices: Two Effective Alternatives

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

Engineering Health

Conference poster

2017

Touch and Hearing Mediate Osseoperception

F. Clemente, Bo Håkansson, C. Cipriani et al

Scientific Reports. Vol. 7, p. 45363-

Journal article

2017

Vibrotactile Thresholds on the Mastoid and Forehead Position of Deaf Patients Using Radioear B71 and B81

Karl-Johan Fredén Jansson, Bo Håkansson, Sabine Reinfeldt et al

Ear and Hearing. Vol. 38 (6), p. 714-723

Journal article

2017

The Balanced Electromagnetic Separation Transducer for Bone Conduction Audiometry and Hearing Rehabilitation

Karl-Johan Fredén Jansson

Doctoral thesis

2016

Audiometric comparison between Bone Anchored Hearing Aid and Bone Conduction Implant

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

AudiologyNOW!2016

Conference poster

2016

Audiometric Comparison Between the First Patients With the Transcutaneous Bone Conduction Implant and Matched Percutaneous Bone Anchored Hearing Device Users

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

Otology and Neurotology. Vol. 37 (9), p. 1381-1387

Journal article

2015

Audiometric results of the Bone Conduction Implant: a comparative study with the Bone Anchored Hearing Aid

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

Other

2015

The bone conduction implant: Clinical results of the first six patients.

Sabine Reinfeldt, Bo Håkansson, Hamidreza Taghavi et al

International Journal of Audiology. Vol. 54 (6), p. 408-416

Journal article

2015

Technical design of a new bone conduction implant (BCI) system

Hamidreza Taghavi, Bo Håkansson, Sabine Reinfeldt et al

International Journal of Audiology. Vol. 54 (10), p. 736-744

Journal article

2015

Audiometric comparison in BCI and BAHA matched patients

Cristina Rigato, Sabine Reinfeldt, Bo Håkansson et al

Other

2015

A New Audiometric Bone Vibrator, Radioear B81, and the Bone Conduction Implant with Emphasis on Magnetic Resonance Imaging

Karl-Johan Fredén Jansson

Licentiate thesis

2015

Electro-acoustic performance of the new bone vibrator Radioear B81: A comparison with the conventional Radioear B71

Karl-Johan Fredén Jansson, Bo Håkansson, L. Johannsen et al

International Journal of Audiology. Vol. 54 (5), p. 334-340

Journal article

2015

Magnetic resonance imaging investigation of the bone conduction implant - a pilot study at 1.5 Tesla.

Karl-Johan Fredén Jansson, Bo Håkansson, Sabine Reinfeldt et al

Medical Devices: Evidence and Research. Vol. 8, p. 413-23

Journal article

2014

The Bone Conduction Implant-First Implantation, Surgical and Audiologic Aspects.

Måns Eeg-Olofsson, Bo Håkansson, Sabine Reinfeldt et al

Otology and Neurotology. Vol. 35 (4), p. 679-685

Journal article

2014

MRI Induced Torque and Demagnetization in Retention Magnets for a Bone Conduction Implant

Karl-Johan Fredén Jansson, Bo Håkansson, Sabine Reinfeldt et al

IEEE Transactions on Biomedical Engineering. Vol. 61 (6), p. 1887-1893

Journal article

2014

Evaluation of bone tissue formation in a flat surface attachment of a Bone Conduction Implant - A pilot study in a sheep model

Måns Eeg-Olofsson, Agneta Lith, Bo Håkansson et al

Audiology and Neurotology Extra. Vol. 4 (3), p. 62-76

Journal article

2013

BCI-bone conduction implant.

Måns Eeg-Olofsson, Bo Håkansson, Sabine Reinfeldt et al

The Fourth International Symposium on Bone Conduction Hearing – Craniofacial Osseointegration. Newcastle, UK

Other conference contribution

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