With individuals in this group, device will be used to provide vibration. This device, designed as a combination of cold application and local vibration to reduce pain experienced during invasive procedures, is frequently chosen for all age groups. There is a motor in the body which provides vibration. The device also has ice wings behind the body, which are used to provide cold, but these will not used in this research.

The device, at room temperature, was placed by the researcher 5 cm proximal to the injection site before the injection will performed. For one minute before the injection, a slight non-discomforting vibration will make, and this will be continue while the injection was given. In this study, only the body of the device will be used to provide vibration.

The device was used with participants in this group. The device, at room temperature, was placed by the researcher 5 cm proximal to the injection site before the injection was performed. With participants in this group, the device was placed on the procedure site, but no vibration was made. The device was held on the participants for one minute before the injection and throughout the procedure, with the vibration switched off.

No intervention was performed before or during the procedure with the participants in the control group, and the standard subcutaneous heparin injection procedure was carried out.

The device was used to provide vibration with the participants in this group. This device, designed as a combination of cold application and local vibration to reduce pain experienced during invasive procedures, is frequently chosen for all age groups.

A 10-cm vertical VAS will used to evaluate the severity of pain felt by the individuals during the procedure. One end indicated lack of pain and the other the most severe pain possible.

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