Healthy
Conditions
Keywords
catheter insertion, puncture, skin, vein, palpation, motion tracking
Brief summary
The aim of this study is to analyze the palpation and perforation motion performed by the practitioner during the insertion of a catheter while measuring the loads applied on the skin and the veins. These experimental measures will be used for the design of a more realistic peripheral venous catheter insertion simulator in order to better prepare healthcare students for their first in vivo venous puncture.
Interventions
PROCEDUREinsertion of a catheter
Analysis the palpation and perforation motion performed by the practitioner during the insertion of a catheter while measuring the loads applied on the skin and the veins
Sponsors
Hospices Civils de Lyon
Study design
Allocation
NON_RANDOMIZED
Intervention model
FACTORIAL
Primary purpose
OTHER
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
Yes
Inclusion criteria
* Healthy adult volunteer * Aged between 18-25 yo or 60-75 yo * IBM between 18,5-25 or superior or equal to 30 * Cognitive level compatible with oral communication, respect of safety instructions and understanding of realized acts * Signed the study agreement
Exclusion criteria
* Individuals displaying coagulation disorders * Individuals displaying skin lesions, scars or areteriovenous fistula on the ventral side of the forearm * Individuals displaying a high infection risk * Women that have been subject to a lymph node dissection on a malignant breast tumor * Individuals not able to express their consent * Individuals having a hierarchical link with the persons conducting this study * Individuals currently participating to another research which includes an exclusion period
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Spatial displacement of the palpating finger measured by digital image correlation | Day 0 | obtained thanks to digital image correlation which consists of tracking sights with two high speed cameras. Thus, sights will be placed on the side of the palpating finger and instrumented syringe. |
| Punctures forces of the skin and veins measured by an instrumented syringue | Day 0 (at intervention) | According to the literature, puncture forces of soft tissues are decomposed as a summation of stiffness forces, friction forces and cutting forces. In the case of this study, an instrumented syringe has been designed to measure the puncture force in function of time. This device includes a miniature1-axis load sensor. The catheters can be easily removed thanks to a conical fitting which is directly connected to the load sensor to obtain the forces when inserting and withdrawing the catheter. The primary sought measures are the peak force occurring when penetrating the skin and the vein as well as the friction forces when withdrawing the catheter from the vein. |
| Needle velocity during perforation measured by a flexible piezoresistive sensor | Day 0 | In order to obtain the load applied by the practitioner to locate the vein to puncture, a flexible piezoresistive sensor is placed to the practitioner's fingertip with double side tape The sensor is linked to its acquisition module which is connected via Wi-Fi to a computer. In order to not disturb the motion of the practitioner, the module if fixed with a sport armband to the forearm. The primary sought measure is the curve force in function of time. |
| Needle insertion angle during perforation measured by digital image correlation | Day 0 | obtained thanks to digital image correlation which consists of tracking sights with two high speed cameras. Thus, sights will be placed on the side of the palpating finger and instrumented syringe. |
| Loads applied by the palpating finger to locate the vein to puncture, measured by digital image correlation | Day 0 | obtained thanks to digital image correlation which consists of tracking sights with two high speed cameras. Thus, sights will be placed on the side of the palpating finger and instrumented syringe. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Sex | Day 0 | to evaluate the Influence of sex regarding the puncture forces |
| Weight | Day 0 | to measure body mass index BMI and evaluate the its Influence of regarding the puncture forces |
| Height | Day 0 | to measure body mass index BMI and evaluate the its Influence of regarding the puncture forces |
| Age | Day 0 | to evaluate the Influence of age regarding the puncture forces |
Countries
France
Outcome results
None listed