(97 days)
Heel Stick Safety Lancet is intended for the collection of capillary blood from the heel of newborn, preemie, and toddler. The lancet has equipped with safety protection features.
The heel stick safety lancet is offered in various depth size (0.65mm, 0.85mm, 1.00mm, 1.50mm) and width size (1.50 mm, 1.75mm, 2.50 mm, 2.80 mm). It consists of blade base, blade, which is welded with the blade base, spring, top head, bottom, and pushing button. The top head and bottom are intended to provide physical protection to the blade, and PET blister along with the tyvek paper cover the primary sterile barrier system for the device. The product is individually primarily packaged and sterilized to a SAL of 10-6 by radiation sterilization. It is intended for single use only. The shelf-life of the product is 5 years. Heel stick safety lancet is intended to be used by professionals. The product is intended for prescription (Rx) only.
This document describes the premarket notification (510(k)) for the "Heel Stick Safety Lancet (HHZ-II, HHZ-III)" and does not involve an AI or Machine Learning (ML) enabled device. Therefore, many of the typical acceptance criteria and study components requested in the prompt, such as data provenance, expert adjudication, MRMC studies, standalone algorithm performance, and training set details, are not applicable.
The acceptance criteria provided for this device concern its physical and performance characteristics as a manual surgical instrument, not an AI model.
Here's an attempt to answer the prompt based on the provided document, highlighting where the requested information is not relevant due to the nature of the device:
Device: Heel Stick Safety Lancet (HHZ-II, HHZ-III)
Device Type: Manual Surgical Instrument For General Use (Lancet)
1. Table of Acceptance Criteria and Reported Device Performance
| Item | Acceptance Criteria | Reported Device Performance |
|---|---|---|
| Appearance | The product color shall be correct, with the surface without burr and scratches | Meet the requirement |
| Cleanness | The product shall be cleaned | Meet the requirement |
| Dimension (HHZ-II) | length: 32.0mm±1.0mm; width: 11.5mm±0.5mm | Meet the requirement |
| Dimension (HHZ-III) | length: 36.65mm±0.5mm; width: 11.6±0.5mm | Meet the requirement |
| Firmness (Blade and blade base connection) | Blade and blade base shall be firmly connected. | Meet the requirement |
| Launch performance | Launch performance should be good, launch button press smoothly, no jam | Meet the requirement |
| Launch depth and Launch width | Launch depth and launch width shall meet the requirements. | Meet the requirement |
| Force to activate the safety feature | 4 - 10N | Meet the requirement |
| Testing access to the sharp in safe mode | The blade shall not touch the sphere. | Meet the requirement |
Biocompatibility Testing Acceptance and Results:
| Item | Acceptance Criteria (Test Results) | Reported Device Performance |
|---|---|---|
| In Vitro Cytotoxicity | No Cytotoxicity | No Cytotoxicity |
| Skin Sensitization | No Skin sensitization | No Skin sensitization |
| Intracutaneous reactivity | No irritation | No irritation |
| Acute Systemic Toxicity | No Acute Systemic Toxicity | No Acute Systemic Toxicity |
| Pyrogenicity | No thermogenic reaction | No thermogenic reaction |
2. Sample Size Used for the Test Set and Data Provenance
For the Simulated Clinical Use study to evaluate the safety mechanism:
- Sample Size: 600 device samples each for the HHZ-II and HHZ-III models (implicitly, 1200 samples total, though not explicitly stated as combined).
- Data Provenance: Not specified, but generally, bench testing and simulated clinical use for a medical device cleared via 510(k) are conducted by the manufacturer or their contracted laboratories to demonstrate compliance with standards. It's a prospective test of the device. Country of origin not specified for the test data, but the manufacturer is in China.
For the Non-Clinical (Bench) Testing (Appearance, Cleanness, Dimension, etc.):
- Sample Size: Not explicitly stated for each test, but standard quality control and performance testing typically involve a defined sample size from production batches.
- Data Provenance: Not specified, likely internal testing by the manufacturer.
3. Number of Experts Used to Establish Ground Truth and Qualifications of Experts
This information is not applicable as the device is a manual lancet and the studies are performance/bench/biocompatibility tests, not studies involving expert adjudication of AI outputs or clinical interpretations. The "ground truth" for these tests is based on measurable physical properties and specified standards (e.g., ISO standards).
4. Adjudication Method for the Test Set
This is not applicable for the type of device and testing performed. Adjudication methods like "2+1" or "3+1" are typical for clinical studies involving human interpretation (e.g., for image reading in AI studies), not for mechanical device performance or biocompatibility testing. The "ground truth" (acceptance criteria) for the bench tests are against physical measurements and functional performance as per engineering specifications and relevant ISO standards.
5. If a Multi-Reader Multi-Case (MRMC) Comparative Effectiveness Study was Done, and Effect Size
No, an MRMC comparative effectiveness study was not done. This type of study is relevant for AI-assisted image interpretation or diagnostic tools to assess the impact of AI on human reader performance. The Heel Stick Safety Lancet is a manual instrument.
6. If a Standalone (i.e., algorithm only without human-in-the-loop performance) was Done
No, a standalone algorithm performance study was not done. This is not an AI/algorithm-based device. The "simulated clinical use" mentioned is a physical test of the device's safety mechanism, not an algorithm.
7. The Type of Ground Truth Used
The "ground truth" for the performance tests conducted on the Heel Stick Safety Lancet consisted of:
- Pre-defined engineering specifications and measurable physical properties: For criteria like appearance, cleanness, dimensions, firmness, launch performance, launch depth/width, activating force, and sharp access in safe mode.
- Compliance with international standards: Specifically, ISO 23908 for evaluating the safety mechanism and ISO 10993 series for biocompatibility.
8. The Sample Size for the Training Set
This information is not applicable. This is a physical, manual medical device, not an AI/ML product that requires a training set.
9. How the Ground Truth for the Training Set Was Established
This information is not applicable as there is no AI/ML training set for this device.
§ 878.4850 Blood lancets.
(a)
Single use only blood lancet with an integral sharps injury prevention feature —(1)Identification. A disposable blood lancet intended for a single use that is comprised of a single use blade attached to a solid, non-reusable base (including an integral sharps injury prevention feature) that is used to puncture the skin to obtain a drop of blood for diagnostic purposes. The integral sharps injury prevention feature allows the device to be used once and then renders it inoperable and incapable of further use.(2)
Classification. Class II (special controls). The special controls are:(i) The design characteristics of the device must ensure that the structure and material composition are consistent with the intended use and must include a sharps injury prevention feature.
(ii) Mechanical performance testing must demonstrate that the device will withstand forces encountered during use and that the integral sharps injury prevention feature will irreversibly disable the device after one use.
(iii) The device must be demonstrated to be biocompatible.
(iv) Sterility testing must demonstrate the sterility of any device component that breaches the skin (
e.g., blade).(v) Labeling must include:
(A) Detailed descriptions, with illustrations, of the proper use of the device and its sharps injury prevention feature.
(B) Handwashing instructions for the user before and after use of the device.
(C) Instructions on preparation (
e.g., cleaning, disinfection) of the skin to be pierced.(D) Instructions for the safe disposal of the device.
(E) Labeling must be appropriate for the intended use environment.
(
1 ) For those devices intended for health care settings, labeling must address the health care facility use of these devices, including how these lancets are to be used with personal protective equipment, such as gloves.(
2 ) For those devices intended for use in the home, labeling must be written so that it is understandable to lay users.(vi) Labeling must also include the following statements, prominently placed:
(A) “For use only on a single patient. Discard the entire device after use.”
(B) “Warning: Not intended for more than one use. Do not use on more than one patient. Improper use of blood lancets can increase the risk of inadvertent transmission of bloodborne pathogens, particularly in settings where multiple patients are tested.”
(b)
Single use only blood lancet without an integral sharps injury prevention feature —(1)Identification. A disposable blood lancet intended for a single use that is comprised of a single use blade attached to a solid, non-reusable base that is used to puncture the skin to obtain a drop of blood for diagnostic purposes.(2)
Classification. Class II (special controls). The special controls are:(i) The design characteristics of the device must ensure that the structure and material composition are consistent with the intended use and address the risk of sharp object injuries and bloodborne pathogen transmissions.
(ii) Mechanical performance testing must demonstrate that the device will withstand forces encountered during use.
(iii) The device must be demonstrated to be biocompatible.
(iv) Sterility testing must demonstrate the sterility of any device component that breaches the skin (
e.g., blade).(v) Labeling must include:
(A) Detailed descriptions, with illustrations, of the proper use of the device.
(B) Handwashing instructions for the user before and after use of the device.
(C) Instructions on preparation (
e.g., cleaning, disinfection) of the skin to be pierced.(D) Instructions for the safe disposal of the device.
(E) Labeling must be appropriate for the intended use environment.
(
1 ) For those devices intended for health care settings, labeling must address the health care facility use of these devices, including how these lancets are to be used with personal protective equipment, such as gloves.(
2 ) For those devices intended for use in the home, labeling must be written so that it is understandable to lay users.(vi) Labeling must also include the following statements, prominently placed:
(A) “For use only on a single patient. Discard the entire device after use.”
(B) “Warning: Not intended for more than one use. Do not use on more than one patient. Improper use of blood lancets can increase the risk of inadvertent transmission of bloodborne pathogens, particularly in settings where multiple patients are tested.”
(c)
Multiple use blood lancet for single patient use only —(1)Identification. A multiple use capable blood lancet intended for use on a single patient that is comprised of a single use blade attached to a solid, reusable base that is used to puncture the skin to obtain a drop of blood for diagnostic purposes.(2)
Classification. Class II (special controls). The special controls are:(i) The design characteristics of the device must ensure that:
(A) The lancet blade can be changed with every use, either manually or by triggering a blade storage unit to discard the used blade and reload an unused blade into the reusable base; and
(B) The structure and material composition are consistent with the intended use and address the risk of sharp object injuries and bloodborne pathogen transmissions and allow for validated cleaning and disinfection.
(ii) Mechanical performance testing must demonstrate that the device will withstand forces encountered during use.
(iii) The device must be demonstrated to be biocompatible.
(iv) Sterility testing must demonstrate the sterility of any device component that breaches the skin (
e.g., blade).(v) Validation testing must demonstrate that the cleaning and disinfection instructions are adequate to ensure that the reusable lancet base can be cleaned and low level disinfected.
(vi) Labeling must include:
(A) Detailed descriptions, with illustrations, of the proper use of the device.
(B) The Environmental Protection Agency (EPA) registered disinfectant's contact time for disinfectant use.
(C) Handwashing instructions for the user before and after use of the device.
(D) Instructions on preparation (
e.g., cleaning, disinfection) of the skin to be pierced.(E) Instructions on the cleaning and disinfection of the device.
(F) Instructions for the safe disposal of the device.
(G) Instructions for use must address the safe storage of the reusable blood lancet base between uses to minimize contamination or damage and the safe storage and disposal of the refill lancet blades.
(H) Labeling must be appropriate for the intended use environment.
(
1 ) For those devices intended for health care settings, labeling must address the health care facility use of these devices, including how these lancets are to be used with personal protective equipment, such as gloves.(
2 ) For those devices intended for use in the home, labeling must be written so that it is understandable to lay users.(vii) Labeling must also include the following statements, prominently placed:
(A) “For use only on a single patient. Disinfect reusable components according to manufacturer's instructions between each use.”
(B) “Used lancet blades must be safely discarded after a single use.”
(C) “Warning: Do not use on more than one patient. Improper use of blood lancets can increase the risk of inadvertent transmission of bloodborne pathogens, particularly in settings where multiple patients are tested. The cleaning and disinfection instructions for this device are intended only to reduce the risk of local use site infection; they cannot render this device safe for use for more than one patient.”
(d)
Multiple use blood lancet for multiple patient use —(1)Identification. A multiple use capable blood lancet intended for use on multiple patients that is comprised of a single use blade attached to a solid, reusable base that is used to puncture the skin to obtain a drop of blood for diagnostic purposes.(2)
Classification. Class III (premarket approval).(3)
Date PMA or notice of completion of a PDP is required: A PMA or a notice of completion of a PDP is required to be filed with the Food and Drug Administration on or before May 22, 2024, for any multiple use blood lancet for multiple patient use described in paragraph (d)(1) of this section that was in commercial distribution before May 28, 1976, or that has, on or before May 22, 2024, been found to be substantially equivalent to a multiple use blood lancet for multiple patient use described in paragraph (d)(1) of this section that was in commercial distribution before May 28, 1976. Any other multiple use blood lancet for multiple patient use shall have an approved PMA or a declared completed PDP in effect before being placed in commercial distribution.