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Biological Evaluation Report

Biological Evaluation Report of Medical Device

Biological evaluation report is a collective summary of all biological tests performed and justifications for tests not performed. That includes supporting data from the literature, assessment of data, gap analysis for already available information for biological safety, rationale for why additional information isn’t needed, and a statement confirming the biological risk analysis and risk controls that have been completed.  


The Biological evaluation report is used to demonstrate that a medical device will not cause any potential risks to patients and intended users during the course of its use.

We provide biological evaluation & report service for all class of devices

Biological Evaluation Plan

Biological Evaluation Plan is a series of tests performed with the help of international standards pre-clinically either through in-vitro or in-vivo techniques and may upon animal models to assess the biological safety of the medical device within the risk management process. The primary goal of the evaluation is to protect the patient from the biological risk raised by the medical device.


Biological Evaluation Plan is an important document that offers information on product safety as well as the technique used to evaluate device safety with available standards and guidelines. BEP must demonstrate risk management activities in accordance with ISO 14971.


It is performed to measure the compatibility of a material with a biological system. The biological evaluation is performed using a series of tests as per a standard corresponding to the type of product for example pharmaceuticals, cosmetics, and medical devices to demonstrate that the material or device will not cause any potential risks to humans during its use.

A biological evaluation plan is used to prove the safety of the device by demonstrating compliance to corresponding standards and avoiding unnecessary testing of the device. Since evaluation is a risk management activity, a Plan is required, and this forms part of the Risk Management Plan.


The biological evaluation plan not only emphasizes the biocompatibility tests but the requirements of ISO 14971 risk management. The plan should be drawn up by a knowledgeable and experienced team and that includes:

  • arrangements for gathering of applicable information from the published literature
  • arrangements for review and approval of the plan as part of the overall design control process
  • arrangements for review of the final conclusions of the evaluation and the approval of any additional testing required
  • arrangements for the final review and approval of the outcomes of the biological risk assessment


Biological Evaluation Plan Template

Our team of experts and toxicologists after through interpretation of ISO 10993-1 latest version developed procedures and necessary templates for those looking for quick and easy solutions for developing supporting evidence for CE Marking or FDA 510k submission. The documents are in word format and easy to customize.

  • Biological Evaluation Procedure : 150 USD
  • Biological Evaluation Plan Template : 200 USD
  • Biological Evaluation Report Template : 150 USD

Important Factors considered during Biological Evaluation

  • The material(s) of construction (i.e., all direct and indirect tissue contacting materials);
  • Medical device configuration (e.g., size, geometry, surface properties)
  • Intended additives, process contaminants and residues during the manufacturing of the device
  • The manufacturing processes
  • Packaging materials that directly or indirectly contact the medical device
  • Leachable substances & Degradation products
  • Other components and their interaction in the final product
  • The performance and characteristics of the final product
  • The physical and chemical characteristics of the device
  • Systemic effects and local effects of implantable devices
  • Biological hazards of every material and final product
  • Existing toxicology and other biological safety data


EN ISO 10993-1:2020 – Biological Evaluation of Medical Devices – Part-1: Evaluation and testing within a risk management process


Use of International Standard ISO 10993-1, “Biological evaluation of medical devices – Part 1: Evaluation and testing within a risk management process”, September 4, 2020


MDR 2017/745: Medical Device Regulation of the European Parliament and of the council of 5 April 2017 on medical devices

Patient and User body contact area


Non-contacting medical devices are those which do not directly or indirectly contact the patient’s body. Diagnostic software, an in vitro diagnostic device and a blood-collection tube are examples of non-contact devices.


Surface-contacting medical devices are as follows;

Skin: Medical devices that contact intact skin surfaces only, such as electrodes, external prostheses, fixation tapes, compression bandages and monitors of various types.


Mucosal membranes: Medical devices that contact intact mucosal membranes like contact lenses, urinary catheters, intravaginal and intra-intestinal devices (stomach tubes, sigmoidoscopes, colonoscopes, gastroscopes) endotracheal tubes, bronchoscopes, dental prostheses, orthodontic devices and intrauterine devices.


Breached or compromised surfaces: Medical devices that contact breached or otherwise compromised body surfaces such as dressings, healing devices and occlusive patches for ulcers, burns and granulation tissue.


Externally communicating medical devices: These include medical devices in contact with the following application sites,


Blood path, indirect: Medical devices or components that do not necessarily directly contact the blood path directly but serve as conduits to deliver fluids into the vascular system. Examples include solution administration sets, extension sets, transfer sets and blood administration sets.


Tissue/bone/dentin: Medical devices that contact tissue, bone or pulp/dentin systems such as laparoscopes, arthroscopes, draining systems, dental cement, dental filling materials, and skin staples. And, medical devices or components that do not necessarily directly contact tissue or bone but serve as conduits to delivery to the tissue or bone, such as tubing used for irrigation.


Circulating blood: Medical devices that contact circulating blood like intravascular catheters, temporary pacemaker electrodes, oxygenators, extracorporeal oxygenator tubing and accessories, dialyzers, dialysis tubing and accessories, haem adsorbents and immunosorbents.


Implant Medical Devices: These include medical devices in contact with the following application sites,



Medical devices principally contacting bone such as orthopaedic pins, plates, replacement joints, bone prostheses, bone cements, and intraosseous devices.


Medical devices principally contacting tissue and tissue fluid such as pacemakers, drug supply devices, neuromuscular sensors, stimulators, replacement tendons, breast implants artificial larynxes, subperiosteal implants, and ligation clips.


Blood: Medical devices principally contacting blood in the cardiovascular system such as pacemaker electrodes, artificial arteriovenous fistulae, heart valves, vascular grafts, internal drug – delivery catheters and ventricular assist devices.

Patient and User body contact time

Contact duration categories: Medical devices shall be categorized as per the anticipated duration of contact as follows:


  1. Limited exposure (A): Devices whose single or multiple-use or contact is likely to be up to 24h
  2. Prolonged exposure (B): Devices whose single, multiple, or long-term use or contact is likely to exceed 24h but not 30 days.
  3. Permanent contact (C): Devices whose single, multiple, or long-term use or contact exceeds 30days.



Transitory-contacting medical devices: Some medical devices with limited exposure have very brief/transitory contact with the body, such as lancets, hypodermic needles, capillary tubes that are used for less than one minute, are excluded from biocompatibility testing. However, products made with materials such as coatings or lubricants that could be left in contact with body tissues after the medical device is removed will require a detailed biocompatibility assessment. Cumulative use should also be considered.


Medical devices with multiple contact duration categories: If a material or medical device can be placed in more than one duration category, a more rigorous evaluation will be considered. If a medical device, such as an absorbable glue, is intended to change during its lifetime, such as those that are polymerized and/or degraded in situ, the evaluation must consider all the different device states.