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Results for “Manikins”

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At least 19 recordsLinked to original sources

PubMed1991

Prospective study of manikin-only versus manikin and human subject endotracheal intubation training of paramedics.

STUDY OBJECTIVES: To determine the effect of manikin-only training on field success of endotracheal intubation by paramedics. DESIGN: Prospective evaluation of individual field endotracheal intubation success rates for paramedics after they participated in a manikin-only or a manikin-plus-cadaver training program. TYPES OF PARTICIPANTS: Paramedics responding to emergency calls involving adult medical or trauma victims. INTERVENTIONS: All participants were trained using a controlled manikin training program; then, half were randomly selected for additional instruction using fresh human cadavers. MEASUREMENTS AND MAIN RESULTS: Individuals trained using only the manikin program had mean +/- SD individual success rates of 82 +/- 32%, and individuals who received additional cadaver training had mean individual success rates of 83 +/- 31%. Overall success rates for the two groups were 86% for the manikin-only group and 85% for the manikin-plus-cadaver-trained group. The sample size was not adequate to allow rejection of the null hypothesis. CONCLUSION: Paramedics trained in endotracheal intubation using a systematic manikin-only teaching program can attain acceptable individual success rates in the actual field setting.

Cadaver↗

PubMed2026

Re-evaluating pediatric laryngoscope blade size recommendations: Comparable intubation performance across blade sizes in pediatric manikin models.

BACKGROUND: Pediatric airway management traditionally emphasizes strict adherence to age-based laryngoscope blade size recommendations, despite limited empirical validation. OBJECTIVES: To evaluate whether intubation performance varies across a range of blade sizes, and whether a Macintosh 2 blade performs comparably across multiple pediatric age groups in a simulation setting. METHODS: We conducted a randomized crossover simulation study using three pediatric airway manikins (neonate, infant, and child age groups). Emergency medicine residents and faculty physicians performed intubations using multiple laryngoscope blade types and sizes, including standard and nonstandard options. Primary outcomes were intubation time and first-attempt success. Secondary outcomes included complications and operator-rated ease of glottic view and tube passage. Between-blade differences were estimated with 95% confidence intervals. RESULTS: Across manikin sizes and blade types, intubation times were short and first-attempt success rates exceeded 98% in most conditions. Performance remained consistent even with blade sizes outside conventional age-based recommendations. Between-blade differences in intubation time were small, and complication rates were low across conditions. The Macintosh 2 blade performed comparably across all manikin sizes, with similar intubation times, high success rates, and favorable ease ratings. CONCLUSIONS: Intubation performance in pediatric manikin models was similar across a wide range of blade sizes. These hypothesis-generating findings warrant prospective clinical evaluation of simplified blade selection strategies for pediatric intubation.

Manikins↗

PubMed1979

Exploring azimuth effects with an anthropometric manikin.

In these experiments, the effects of sound direction on the eardrum response of an anthropometric manikin (the KEMAR manikin) were investigated. Pure tones and pink noise (analyzed in 1/3-octave bandwidths) over a wide frequency range were used as signals as the manikin rotated 360 degrees with respect to a point source in a anechoic chamber. The simulated eardrum SPL was compared with the averaged human field-to-eardrum data reported by Shaw [J. Acoust. Soc. Am. 56, 1848--1861 (1974)]. It was concluded that the KEMAR manikin can be used up to frequencies of approximately 8.0 kHz, with (1) 1/3-octave pink noise signals to measure a response equivalent to tht obtained by averaging over a number of humans, and (2) pure-tone signals to measure the response equivalent to that of a single human having average head and ear dimensions.

Anthropometry↗

PubMed1992

Assessment of thermal conditions in neonatal care: use of a manikin of premature baby size.

A thermal manikin of the size of a 1 kg premature baby has been constructed. The nonevaporative heat loss from eight different regions and the total heat loss were measured. The measurements of heat loss have high repeatability and the values are in good agreement with measurements of dry heat loss for premature babies, using indirect calorimetry. The heat losses from the manikin in a single-walled, air-heated incubator and on a recently described heated, water-filled mattress have been compared. The total heat loss was found to be 20 to 30 W/m2 with both methods at ambient temperatures between 15 degrees and 25 degrees C. Treatment on a heated, water-filled mattress provides a means of direct conductive heat input to the baby, with a conductive heat transfer coefficient of 0.4 W/degrees C or 21 W/m2 degrees C. The thermal manikin appears to provide an accurate method for assessment of the thermal conditions in neonatal care.

Beds↗

PubMed1979

Larger ear replica for KEMAR manikin.

A larger external ear replica for use on a KEMAR manikin has been developed to meet the needs of hearing aid designers and other manikin users. The ear was selected from the 24 subject sample used by Burkhard and Sachs (1975) as the basis for the original ear development. Ear dimensions were chosen to be two standard deviations larger than the existing ear. A mirroring technique was used to give right and left ears with nearly identical properties. Responses of the manikin with the new ears are given and compared with responses with the original ears.

Ear, External↗

PubMed1991

Immersed clo insulation in marine work suits using human and thermal manikin data.

The immersed clo value of a series of 11 marine work suits has been measured using both humans and a thermal manikin. In still water, there is no significant difference in the measurements. Turbulent water significantly reduces the immersed clo value. The manikin errs on the safe side and consistently overestimates this decrement in insulation, and the reasons for this are discussed. Not intended to replace human physiological testing, the manikin is an excellent apparatus for the examination of conditions not easily or ethically possible to represent using humans. A good fitting suit with efficient neck, wrist and ankle closures which reduce flushing of water is essential to make an effective marine work suit.

Adult↗

PubMedDate not supplied

Problems with earphone calibration using a manikin.

The response of a single TDH-39 receiver mounted in a MX-41/AR and an Auraldome cushion was measured psychoacoustically and electroacoustically using standard couplers and the Zwislocki coupler mounted in KEMAR (Knowles Electronic Manikin for Acoustic Research). Although the psychoacoustic data were similar for both cushions, electroacoustic responses differed across cushions and across couplers. It was concluded that an accurate method for evaluating circumaural earphones has not yet been developed and the manikin, in its present form, is unsuitable for supra-aural or circumaural earphone calibration.

Acoustics↗

PubMed1992

Decontamination of an HIV-contaminated CPR manikin.

There has been a concern that the number of persons engaging in cardiopulmonary resuscitation (CPR) training could decline because of questions about human immunodeficiency virus (HIV-1) transmission. We investigated the theoretical possibility that a CPR manikin might serve as a fomite for HIV-1 transmission. Decontamination protocols were tested by using elevated levels of virus and decreasing decontamination times. Even under these compromising conditions, however, decontamination was effective.

1-Propanol↗

PubMedDate not supplied

The usefulness of Resusci-Anne manikin in teaching modern methods of resuscitation.

From experiences gained during the training of personnel the authors evaluate the effectiveness of teaching the principles of modern methods of resuscitation. They concluded that there are no essential differences in the preparation of carrying out resuscitation precedures between laymen and medical personnel. It is necessary to organize refreshing courses periodically. The Recording Resusci-Anne manikin with a device controlling the correctness of resuscitation procedures has been found to be an indispensable training aid in teaching the principles of resuscitation.

Adolescent↗

PubMed1991

[Models and manikins in dental education].

Different available types of dental models and manikin used for preclinical odontological education are analyzed. On the basis of their composition are classified in biological, artificial, and mixed models. According to their usage, those ones are classified in demonstration, exploration, and working models. Each of them are studied, remarkable aspects in odontological education are emphasized.

Audiovisual Aids↗

PubMed1975