Probe (medicine)

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In medicine, a probe is an instrument for medical examination or therapy of difficult-to-access parts of the body. Depending on the area of ​​application, a distinction is made between the following probes:

Wound probes

Button probe

Wound probes are instruments that are used to probe wound cavities or fistula canals to assess their depth and direction or to locate foreign bodies. This also includes the button probe or the fistula probe.

The Italian surgeon Santo Mariano (1488 – between 1565 and 1596) developed a perineal probe for the surgical removal of bladder stones using a stone incision.

Examination probes

Surgical probes

  • Decompression probe for the lumen expansion of the colon
  • Dennis probe according to Miller-Abbott, three-lumen ileus probe for gastrointestinal decompression.
  • Dilatation probes for opening obstructed frontal sinus openings
  • Bunnell dissection probe for tendon plastic
  • Cantor probe for aspirating intestinal secretions
  • Myrtle leaf probe
  • Hollow probe

Feeding tubes

PEG probe
Button probe (Nutriport)

In intensive medicine and in health and nursing care , thin PVC tubes for enteral nutrition are called probes. They can also be used for the diagnostic sampling of gastric or duodenal juice . A distinction is made according to the mouth of the probe:

Gynecological probes

  • Vaginal probe , a rod-type transducer that is inserted vaginally and creates a lateral-frontal sectional image.
  • Uterine probe
    • Uterine probe according to Martin
    • Uterine probe according to Sims

Imaging probes

Ultrasonic probes from left to right: sector scanner, convex scanner, linear scanner
  • Ultrasound probe is the part of an ultrasound device that establishes contact between the patient being examined and the signal processing unit. The ultrasonic probe sends and receives ultrasonic waves, converts them into electrical impulses and forwards them for processing.
  • Rectal probe , a rod-type transducer that is inserted rectally to examine the prostate or the rectum and which generates a radial and lateral-frontal sectional image.
  • Vascular probe used to generate intravascular ultrasound (IVUS). These are thin probes that are inserted directly into vessels in order to examine them from the inside and to carry out an exact analysis of the vessel wall.

Hemostatic tubes

  • Esophageal probe for hemostasis using inflatable balloons in the esophagus .
    • Sengstaken-Blakemore probe
    • Linton Nachlas probe

Cardiac probes

TEE probe
Transesophageal echocardiography
  • Pacemaker probe for electrical stimulation of the heart muscle
  • TEE probe for transesophageal echocardiography (English transesophageal echocardiography , abbreviation TEE), also called swallow echo . The probe is shaped like an endoscope (without optics) and is inserted into the esophagus to view the heart from behind, bypassing the sound-impervious ribs and the lungs to get a good view of the auricles .
  • Ultrasound probe for intracardiac echocardiography (ICE), ultrasound catheter that is placed directly in a heart cavity and from there allows images with the highest resolution.
  • Transvenous pace sense probe

Gene probes

For the purpose of tracing or detection, gene probes are linked to marker molecules which have a complementary base sequence to the gene sought and which can attach to the appropriate DNA sequence of an (immobilized) DNA.

See also

Web links

Wiktionary: Sonde  - explanations of meanings, word origins, synonyms, translations

Individual evidence

  1. Barbara I. Tshisuaka: Mariano Santo. In: Werner E. Gerabek , Bernhard D. Haage, Gundolf Keil , Wolfgang Wegner (eds.): Enzyklopädie Medizingeschichte. De Gruyter, Berlin / New York 2005, ISBN 3-11-015714-4 , p. 892.
  2. Urodynamics and incontinence . University of Giessen; Retrieved July 25, 2017.
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  17. Bernhard Frey: Transvenous pace sense probes in patients with implantable cardioverter defibrillator: frequency of probe defects in the long term . (PDF) Dissertation 2006; Retrieved July 25, 2017.
  18. ^ Friedrich Lottspeich , Haralabos Zorbas: Bioanalytik . Spektrum Akademischer Verlag, Heidelberg 1998, ISBN 978-3-8274-0041-3 .