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Related Experiment Video

Updated: Jul 1, 2026

Method to Measure Tone of Axial and Proximal Muscle

Method to Measure Tone of Axial and Proximal Muscle

Published on: December 14, 2011

A tremulous twiddler.

Zvi Israel¹, Alexander Spivak

¹Department of Neurosurgery, Hadassah University Hospital, Jerusalem, Israel. israelz@hadassah.org.il

Stereotactic and Functional Neurosurgery

|September 16, 2008

Summary

This summary is machine-generated.

Twiddler's syndrome, the rotation of implanted devices, occurred in a patient with a deep brain stimulator. This case highlights the need for technical adjustments to prevent this phenomenon in neurostimulator patients.

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Area of Science:

Neurosurgery
Medical Device Technology

Background:

Twiddler's syndrome is characterized by intentional manipulation of implanted cardiac pacemakers.
The syndrome involves spontaneous rotation of the device generator by the patient.

Observation:

A patient with an implanted deep brain stimulator generator exhibited Twiddler's syndrome.
This represents a novel occurrence of the phenomenon in neurostimulation devices.

Findings:

The clinical presentation of Twiddler's syndrome in a deep brain stimulator patient is described.
The study details the specific characteristics of this case.

Implications:

Technical modifications to implanted deep brain stimulator systems may be necessary to prevent Twiddler's syndrome.
Understanding and preventing device manipulation is crucial for long-term neurostimulator efficacy.