diff --git a/src/main/kotlin/entity/patient/PatientData.kt b/src/main/kotlin/entity/patient/PatientData.kt
new file mode 100644
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+++ b/src/main/kotlin/entity/patient/PatientData.kt
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2023. Smart Operating Block
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+
+package entity.patient
+
+/** Module with all necessary data for [Patient]. */
+object PatientData {
+
+    /** The [id] of the [Patient]. */
+    data class PatientId(val id: String) {
+        init {
+            require(this.id.isNotEmpty()) {
+                "Patient id code can not be empty!"
+            }
+        }
+    }
+
+    /** The [bpm] of the [Patient]. */
+    data class HeartBeat(val bpm: Int) {
+        init {
+            require(this.bpm >= 0) {
+                "Beat per minute cannot be negative"
+            }
+        }
+    }
+
+    /** The Diastolic blood [pressure] of the [Patient]. */
+    data class DiastolicBloodPressure(val pressure: Int) {
+        init {
+            require(this.pressure >= 0) {
+                "Diastolic blood pressure cannot be negative"
+            }
+        }
+    }
+
+    /** The Systolic blood [pressure] of the [Patient]. */
+    data class SystolicBloodPressure(val pressure: Int) {
+        init {
+            require(this.pressure >= 0) {
+                "Systolic blood pressure cannot be negative"
+            }
+        }
+    }
+
+    /** The Respiratory [rate] of the [Patient]. */
+    data class RespiratoryRate(val rate: Int) {
+        init {
+            require(this.rate >= 0) {
+                "Respiratory rate cannot be negative"
+            }
+        }
+    }
+
+    /** The Saturation [percentage] of the [Patient]. */
+    data class SaturationPercentage(val percentage: Int) {
+        init {
+            require(this.percentage >= 0) {
+                "Saturation percentage cannot be negative"
+            }
+        }
+    }
+
+    /** The [degree] of body temperature of the [Patient] with the specific temperature [unit]. */
+    data class BodyTemperature(val degree: Double, val unit: TemperatureUnit = TemperatureUnit.CELSIUS) {
+        init {
+            require(this.degree >= 0) {
+                "Body temperature cannot be negative"
+            }
+        }
+    }
+
+    /** The Temperature Unit. */
+    enum class TemperatureUnit {
+        CELSIUS
+    }
+
+    /** Wrap all the medical data of the [Patient] such as:
+     * the [heartBeat],
+     * the [diastolicBloodPressure],
+     * the [systolicBloodPressure],
+     * the [respiratoryRate],
+     * the [saturationPercentage],
+     * the [bodyTemperature]. */
+    data class MedicalData(
+        val heartBeat: HeartBeat? = null,
+        val diastolicBloodPressure: DiastolicBloodPressure? = null,
+        val systolicBloodPressure: SystolicBloodPressure? = null,
+        val respiratoryRate: RespiratoryRate? = null,
+        val saturationPercentage: SaturationPercentage? = null,
+        val bodyTemperature: BodyTemperature? = null
+    )
+}