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1. a perforation and loss of pressure in a pneumatic tyre, made by sharp stones, glass, etc.
2. the act of puncturing or perforating



a piercing of the wall of any cavity, vessel, hollow or parenchymatous organ, tumor, or infiltrate for purposes of treatment or diagnosis. Exploratory punctures are used to help accurately diagnose diseases either through analysis of the contents of a cavity—the pleural cavity, for example—and subsequent cytological, biochemical, and bacteriological examination or through microscopic, ultramicroscopic, cytochemical, and chromosomal study of cells obtained from pathologically altered organs. It is also used for measuring the pressure in the cavities of the heart, large blood vessels, and the cerebrospinal canal and for introducing into a cavity contrast materials or air (radiodiagnostics). Therapeutic punctures are used to extract pus, blood, air, or fluid from a cavity, wash the cavity, and introduce medicinal substances. Often both types of punctures coincide.

There are a number of common punctures. Veins are punctured in order to obtain blood for analysis and for bloodletting, injection of medication, or transfusion of blood. In the case of exudative pleuritis, the pleural cavity is punctured in order to remove air from the cavity and induce artificial pneumothorax. The abdominal cavity is punctured if ascites is present, and joints are punctured for therapeutic and exploratory purposes. Puncture of the cerebrospinal canal is performed for analysis of the cerebrospinal fluid or injection of medications or radiopa-que substances. The urinary bladder is punctured when there is urinary retention and it is impossible to introduce a catheter. Puncture is done with a syringe and a special needle or trocar, according to all the principles of asepsis and anesthesia.


Diagnosticheskaia i lerapevlicheskaia lekhnika. Edited by V. S. Maiata. Moscow, 1969.



Disruptive discharge through insulation involving a sudden and large increase in current through the insulation due to complete failure under electrostatic stress.
(science and technology)
To pierce or indent.
References in periodicals archive ?
Due to the associated significant morbidity and mortality of CVC arterial puncture and catheter misplacement, prevention is key, and the best preventive strategies are adequate patient and operator preparation and use of real-time ultrasound-guided cannulation.
Although arterial puncture does not place patients at risk of the serious complications associated with arterial catheterization, it is potentially hazardous and certainly not risk free.
Infection is defined as erythema and pain around the arterial puncture site associated with fever and elevated white blood cell count requiring intravenous antibiotic treatment.
There are no prior reports of multiple pseudoaneurysm formation after inadvertent arterial puncture during central line placement.
Multimodal monitors were present in general theatres, catheters for direct arterial puncture were available and increasingly complex patients and operations demanded more intensive and invasive monitoring.
Especially when phlebotomists are not comfortable or familiar with the techniques for performing intended arterial punctures, make certain that they know the signs of an arterial stick and what to do in the face of an arterial puncture to minimize the potential for complications.
Group 12 set for arterial puncture transradialny (included T-shirt, miniprowadnik needle).
Through their efforts, we were able to set up an in-service education program and develop a new blood collection protocol, including guidelines for skin, venous, and arterial puncture procedures.
The company was a pioneer in the field of arterial puncture closure as the inventor and developer of the Angio-Seal(TM) Vascular Closure Device.
This requirement is for the supply of CE marked Blood Gas Syringes suitable for sampling via arterial line, venous sampling and direct arterial puncture.

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