(192 days)
No
The description focuses on standard electrosurgical generator functions and components, with no mention of AI or ML capabilities. The "Microprocessor board" and "Memory" features are typical for modern medical devices and do not inherently indicate AI/ML. The performance studies are bench tests comparing electrical waveforms and tissue effects, not evaluating AI/ML algorithm performance.
Yes.
The Electrosurgical Generator is designed to perform monopolar and bipolar functions in surgical operations, which involves therapeutic interventions on tissues, such as cutting and coagulation.
No.
The device is an electrosurgical generator designed to perform monopolar and bipolar functions in surgical operations, which are therapeutic rather than diagnostic. Its purpose is to cut and coagulate tissue, not to diagnose conditions.
No
The device description explicitly lists multiple hardware components (Chassis and Cover, Front panel controls, Power supply board, Microprocessor board, Footswitch board, Interface circuits, Front panel receptacles) and is enclosed in a physical structure. It is an electrosurgical generator, which is a hardware device.
Based on the provided information, the Electrosurgical Generator (OBS-350A) is not an IVD (In Vitro Diagnostic) device.
Here's why:
- Intended Use: The intended use is to "perform monopolar and bipolar functions in the surgical operation area." This describes a device used directly on a patient during surgery for cutting and coagulating tissue.
- Device Description: The description details a generator that produces electrical energy for surgical procedures.
- Anatomical Site: The anatomical site is the "surgical operation area," which is on or within the patient's body.
- IVD Definition: In vitro diagnostic devices are used to examine specimens (like blood, urine, or tissue) taken from the human body to provide information about a person's health.
The OBS-350A is an electrosurgical device, which is a type of medical device used for surgical procedures on living tissue, not for testing samples outside the body.
N/A
Intended Use / Indications for Use
The Electrosurgical Generator (OBS-350A) is a non-sterile, reusable multi-purpose electrosurgical generator that is designed to perform monopolar and bipolar functions in the surgical operation area.
Product codes (comma separated list FDA assigned to the subject device)
GEI
Device Description
- 5.1 Operation modes and functions
A 3 CUT modes:
Pure CUT: Pure be used for a clean, precise cut in any tissue with little or no hemostasis.
Blend 1: be applied to any tissues and make slight hemostasis effect while cutting. Blend 2: be applied to any tissues and make good hemostasis effect while cutting.
3 Coagulation (COAG) modes A
COAG1 (Spray): Spray for coagulating large tissue areas with superficial depth of necrosis.
COAG2 (Forced): can be used in laparoscope surgery and swift contacting coagulation of other elaborate tissues.
COAG3 (Soft): Its coagulation effect on the tissues is deep, but the scope is rather small because of its good effect on the single blood spot.
2 Bipolar modes A
Bipolar1 (Macro): be used for rapid coagulation such as artery vessel sealing, the voltage is higher and there is more power than the other bipolar mode.
Bipolar2 (Micro): be used for most bipolar applications, voltage is kept low to prevent sparking, the power remains constant over a specific range of tissue resistance, allowing consistent tissue effect.
5.2 Physical Characteristics:
The generator is enclosed in a metal and molded plastic enclosure and will have an angled front panel in the display and controls area. The front panel displays and controls will be sealed to facilitate cleaning and minimize the possibility of problems caused by accidental spills. The receptacles for the active electrosurgical accessories will be in a recessed area and will conform to IEC60601-1:2005/(R) 2012 And A1:2012.
5.3 Device components
Chassis and Cover, Front panel controls, Power supply board, Microprocessor board, Footswitch board, Interface circuits, Front panel receptacles.
5.4 Accessories compatible
- A First, the accessories shall be Legally marketed in America;
- A Second, Compatibility data: max electrical capacity of these accessories ≥4500 Vp which will be available.
- く Electrosurgical pencil
- イ Split Electrosurgical pad (also named neutral electrode, return electrode, neutral pad...)
- く Electrosurqical bipolar forceps
- く Footswitch for Monopolar procedures
- く Footswitch for Bipolar procedures
- く Cord for bipolar forceps
- く Cord for electrosurgical pad
Note: The proposed device in this submission is only the ESU generator submitted. To avoid incompatibility and unsafe operation, we recommend using the following OBS accessories with the OBS-350A:
-
Electrosurgical pencil (510(k) No.: K092634) OBS-Db(#0039D, #0039H, #0025D, #0035H) OBS-Dr(#0038D, #0038H, #0030D, #0030H) OBS-Df(#0048D, #0048H, #0040D, #0040H)
- V Split Electrosurgical pad (510(k) No .: K102372) GBS-Db(#1031a, #1131a, #1031b, #1131b, #1041a, #1031n, #1131n, #2031, #2131, #3031, #1031ac, #1041ac)
5.5 Special features
- A Three CUT modes: Pure CUT, Blend 1, Blend 2;
-
Three COAG mode: COAG1(Spray), COAG2(Forced), COAG3(Soft);
-
Two Bipolar modes: Bipolar1(Macro) and Bipolar2(Micro);
- A Memory: 10 memory Presets, the unit automatically reset to the last activated Preset setting:
CQMS (contact quality monitoring system): The ESU pad contact quality monitor system (CQMS) will measure the resistance bewteen the ESU pad and patient, if the resistance was beyond the defined upper limit, the alarm system will be activaed. During monopolar electrosurgery, a patient Split ESU pad is always required to safely recover the current that flows through the patient's body and return it to the generator. A reduction in surface area contact or poor conductivity between the patient and the ESU pad can cause the current to become concentrated, potentially resulting in burns at the ESU pad site.
The OBS-350A generator uses the CQMS to monitor the quality of electrical contact between the patient ESU pad and the patient. The CQMS function is designed to minimize the risk of burns at the ESU site due to a reduction in patient contact area during monopolar electrosurgery.
-
A How the CQMS works
The CQMS continuously measures the resistance at the ESU pad site and compares it to a standard value of safe resistance (less than 113ohms), thus under the condition of ESU pad releases or shrinks, the contact area to skin would be reduced, and the contact resistance increased, when the resistance is above 113ohms, the alarm will be activated by Red of "ALARM" indicator as well as Error code(Err--0) displayed on the CUT screen, at the same time a continuous alarm voice( > 65db) initiated, and the generator will stop output simultaneously, the alarm cannot be disabled unless the ESU pad adhered in a good condition again. -
A Power ON self diagnostics: In the self diagnosis process after Power ON, all working modes and functions operating are simulated and monitored by software control to determine whether they are performed normally, followed by transmitting of corresponding test data to the display module through the control module. If failure occurs, the respective code will be displayed accordingly as prompt and alarm voice delivered simultaneously, which disables all subsequent operations automatically.
-
A PPS (peak power system):The OBS-350A automatically senses resistance and adjusts the output voltage to maintain a consistent effect across different tissue density. This adjustment is based on the selected mode, the power setting and the level of tissue resistance. The maximum output voltage is controlled to reduce capacitive coupling and video interference and to minimize sparking.
Pure CUT, Blend CUT and Bipolar modes are equipped this PPS function.
5.6 Duty Cycle
Under maximum power settings and rated load conditions (pure cut350W, 500ohm load) the generator is suitable for activation times of 10seconds on, 30seconds off for 1 hour.
Mentions image processing
Not Found
Mentions AI, DNN, or ML
Not Found
Input Imaging Modality
Not Found
Anatomical Site
surgical operation area
Indicated Patient Age Range
Not Found
Intended User / Care Setting
operating room
Description of the training set, sample size, data source, and annotation protocol
Not Found
Description of the test set, sample size, data source, and annotation protocol
Not Found
Summary of Performance Studies (study type, sample size, AUC, MRMC, standalone performance, key results)
The performance data were provided in support of the substantial equivalence determination. All standards applied were FDA recognized international standards. The software validation activities were performed in accordance with the FDA Guidance, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices" (May 11, 2005). The device software is considered a "Moderate Level of Concern".
6.1 Performance Testing - Bench
In general, the evaluations compared the function of the OBS-350A against the performance characteristics defined by the Design Specification and in comparison to the performance characteristics of the predicate devices. To demonstrate substantial equivalence the following aspects were considered within the validation versus the predicate devices. The results demonstrate that comparable tissue effects and electrical waveforms are achieved with subject and predicate devices for all modes of operation.
The purpose of the bench validation testing was to show equivalence of the electrical waveform between the subject and predicate devices. An oscilloscope and high voltage probe were used as measuring and test equipment. The electrical waveforms of the OBS-350A were comparable to the electrical waveforms of the predicate devices. This was confirmed for all output modes (waveforms) at rated load.
The tissue thermal effects test was conducted by OBS-350A and predicate devices to demonstrate the tissue thermal effects equivalence in porcine muscle, kidney and liver tissue. Thermal Zone Damage Report for OBS-350A and predicate devices are provided in Chapter 029_Appendix 8.
Comprehensive validation bench tests demonstrated and confirmed substantial equivalence to the predicate devices. Testing confirmed that comparable tissue effects and electrical waveforms could be achieved for all modes of operation. Clinical and animal studies were not deemed necessary to support substantial equivalence.
Summary of Results:
The tissue thermal effects tests by OBS-350A and predicate devices demonstrate the similarity of thermal effects in three tissues, verified substantial equivalence with predicate devices.
Key Metrics (Sensitivity, Specificity, PPV, NPV, etc.)
Not Found
Predicate Device(s): If the device was cleared using the 510(k) pathway, identify the Predicate Device(s) K/DEN number used to claim substantial equivalence and list them here in a comma separated list exactly as they appear in the text. List the primary predicate first in the list.
Reference Device(s): Identify the Reference Device(s) K/DEN number and list them here in a comma separated list exactly as they appear in the text.
Predetermined Change Control Plan (PCCP) - All Relevant Information for the subject device only (e.g. presence / absence, what scope was granted / cleared under the PCCP, any restrictions, etc).
Not Found
§ 878.4400 Electrosurgical cutting and coagulation device and accessories.
(a)
Identification. An electrosurgical cutting and coagulation device and accessories is a device intended to remove tissue and control bleeding by use of high-frequency electrical current.(b)
Classification. Class II.
0
Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health and Human Services. The logo features a stylized caduceus symbol, which is a staff with two snakes entwined around it. The words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" are arranged in a circular pattern around the caduceus symbol. The logo is simple and recognizable, and it is used to represent the U.S. Department of Health and Human Services.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
January 30, 2017
Baisheng Medical Co., Ltd. % Mr. Albert T.W. Li Manager, Principle Administrator Office of Medical Device Evaluation Center for Measurement Standards Industrial Technology Research Institute Room 307, Bldg. 4, 321, Sec. 2 Kuang Fu Rd Hsinchu, Taiwan 30011 R.O.C.
Re: K162034
Trade/Device Name: OBS Electrosurgical Generator (model: OBS-350A) Regulation Number: 21 CFR 878.4400 Regulation Name: Electrosurgical Cutting and Coagulation Device and Accessories Regulatory Class: Class II Product Code: GEI Dated: July 22, 2016 Received: July 22, 2016
Dear Mr. Li:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food, Drug, and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807); labeling (21 CFR Part 801); medical device reporting (reporting of medical device
1
related adverse events) (21 CFR 803); good manufacturing practice requirements as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21 CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours.
Jennifer R. Stevenson -S
For Binita S. Ashar, M.D., M.B.A., F.A.C.S. Director Division of Surgical Devices Office of Device Evaluation Center for Devices and Radiological Health
Enclosure
2
Indications for Use
510(k) Number (if known) K162034
Device Name OBS Electrosurgical Generator
Indications for Use (Describe)
The Electrosurgical Generator (OBS-350A) is a non-sterile, reusable multi-purpose electrosurgical generator that is designed to perform monopolar and bipolar functions in the surgical operation area.
| Type of Use (Select one or both, as applicable) |
|---|
| ------------------------------------------------- |
| Prescription ID #1-977-901-Patient Pharmacy | Over The Counter Health #1-977-901-Patient Pharmacy |
|---|---|
| ---------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
X | Prescription Use (Part 21 CFR 801 Subpart D)
| | Over-The-Counter Use (21 CFR 801 Subpart C)
CONTINUE ON A SEPARATE PAGE IF NEEDED.
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3
Image /page/3/Picture/0 description: The image shows the logo for OBS, which is a green, stylized water droplet followed by the letters "OBS" in a bold, sans-serif font, also in green. A registered trademark symbol is located in the upper right corner of the logo. The logo is simple and clean, suggesting a focus on water or environmental concerns.
PREMARKET NOTIFICATION 510(K) Summary
This summary of 510(k) safety and effectiveness information is being submitted in accordance with the requirements of SMDA 1990 and Title 21 CFR §807.92.
The assigned 510(k) Number:_ K162034
1.0 Sponsor Identification
| Baisheng Medical Co.,Ltd. | |
|---|---|
| Address: | No.11, Fusheng Road, Xinhui District, Jiangmen Guangdong, China. |
| Phone: | +86-750-6628113 +86-750-6691112 |
| Fax: | +86-750-6616122 |
| General manager: | Mr Chen xi |
| E-mail: | renzheng@bs0750.com |
| Contact person: | Peter |
| E-mail: | peter@bs0750.com |
| Date | Mar 27th, 2015 |
2.0 Proposed Device Identification
| Trade Name: | OBS Electrosurgical Generator |
|---|---|
| Model: | OBS-350A |
| Common Name: | Electrosurgical Generator |
Regulatory Information:
| Classification Name: | electrosurgical, cutting & coagulation & Devices and accessories; |
|---|---|
| Classification: | Class II(Product Code GEI) |
| Regulation Number: | 21CFR 878.4400 |
| Review Panel: | General& Plastic Surgery |
| K162034 | Page 1 of 7 |
|---|---|
| --------- | ------------- |
4
Image /page/4/Picture/0 description: The image shows a green logo with the letters "OBS" in a stylized font. The "O" is shaped like a water droplet, and the "B" and "S" are connected. There is a registered trademark symbol in the upper right corner of the logo. The logo is simple and clean, and the green color suggests a connection to nature or the environment.
3.0 Predicate Device Identification: 510(k) Number: K944602 Predicate Device Trade name: Valleylab Force FX Manufacturer Name: VALLEYLAB INC. Address: 5920 LONGBOW DRIVE BOULDER, CO 80301
4.0 Indication for use
The Electrosurgical Generator (OBS-350A) is a non-sterile, reusable multi-purpose electrosurgical generator that is designed to perform monopolar and bipolar functions in the surgical operation area.
5.0 Device Description
- 5.1 Operation modes and functions
A 3 CUT modes:
Pure CUT: Pure be used for a clean, precise cut in any tissue with little or no hemostasis.
Blend 1: be applied to any tissues and make slight hemostasis effect while cutting. Blend 2: be applied to any tissues and make good hemostasis effect while cutting.
3 Coaqulation (COAG) modes A
COAG1 (Spray): Spray for coagulating large tissue areas with superficial depth of necrosis.
COAG2 (Forced): can be used in laparoscope surgery and swift contacting coagulation of other elaborate tissues.
COAG3 (Soft): Its coagulation effect on the tissues is deep, but the scope is rather small because of its good effect on the single blood spot.
2 Bipolar modes A
Bipolar1 (Macro): be used for rapid coagulation such as artery vessel sealing, the voltage is higher and there is more power than the other bipolar mode.
Bipolar2 (Micro): be used for most bipolar applications, voltage is kept low to prevent sparking, the power remains constant over a specific range of tissue resistance, allowing consistent tissue effect.
Page 2 of 7
5
Image /page/5/Picture/0 description: The image shows the green OBS logo. The logo consists of a stylized green drop shape followed by the letters "OBS" in a bold, sans-serif font, also in green. A small registered trademark symbol is located in the upper right corner of the logo.
5.2 Physical Characteristics:
The generator is enclosed in a metal and molded plastic enclosure and will have an angled front panel in the display and controls area. The front panel displays and controls will be sealed to facilitate cleaning and minimize the possibility of problems caused by accidental spills. The receptacles for the active electrosurgical accessories will be in a recessed area and will conform to IEC60601-1:2005/(R) 2012 And A1:2012.
5.3 Device components
Chassis and Cover, Front panel controls, Power supply board, Microprocessor board, Footswitch board, Interface circuits, Front panel receptacles.
5.4 Accessories compatible
- A First, the accessories shall be Legally marketed in America;
- A Second, Compatibility data: max electrical capacity of these accessories ≥4500 Vp which will be available.
- く Electrosurgical pencil
- イ Split Electrosurgical pad (also named neutral electrode, return electrode, neutral pad...)
- く Electrosurqical bipolar forceps
- く Footswitch for Monopolar procedures
- く Footswitch for Bipolar procedures
- く Cord for bipolar forceps
- く Cord for electrosurgical pad
Note: The proposed device in this submission is only the ESU generator submitted. To avoid incompatibility and unsafe operation, we recommend using the following OBS accessories with the OBS-350A:
-
Electrosurgical pencil (510(k) No.: K092634) OBS-Db(#0039D, #0039H, #0025D, #0035H) OBS-Dr(#0038D, #0038H, #0030D, #0030H) OBS-Df(#0048D, #0048H, #0040D, #0040H)
- V Split Electrosurgical pad (510(k) No .: K102372) GBS-Db(#1031a, #1131a, #1031b, #1131b, #1041a, #1031n, #1131n, #2031, #2131, #3031, #1031ac, #1041ac)
- 5.5 Special features
- A Three CUT modes: Pure CUT, Blend 1, Blend 2;
-
Three COAG mode: COAG1(Spray), COAG2(Forced), COAG3(Soft);
-
Two Bipolar modes: Bipolar1(Macro) and Bipolar2(Micro);
- A Memory: 10 memory Presets, the unit automatically reset to the last activated Preset setting:
| K162034 | Page 3 of 7 |
|---|---|
6
Image /page/6/Picture/0 description: The image shows the logo for OBS, which is a green stylized water droplet followed by the letters "OBS" in green. A registered trademark symbol is located in the upper right corner of the logo. The logo is simple and clean, and the green color suggests a connection to nature or the environment.
CQMS (contact quality monitoring system): The ESU pad contact quality monitor system (CQMS) will measure the resistance bewteen the ESU pad and patient, if the resistance was beyond the defined upper limit, the alarm system will be activaed. During monopolar electrosurgery, a patient Split ESU pad is always required to safely recover the current that flows through the patient's body and return it to the generator. A reduction in surface area contact or poor conductivity between the patient and the ESU pad can cause the current to become concentrated, potentially resulting in burns at the ESU pad site.
The OBS-350A generator uses the CQMS to monitor the quality of electrical contact between the patient ESU pad and the patient. The CQMS function is designed to minimize the risk of burns at the ESU site due to a reduction in patient contact area during monopolar electrosurgery.
-
A How the CQMS works
The CQMS continuously measures the resistance at the ESU pad site and compares it to a standard value of safe resistance (less than 113ohms), thus under the condition of ESU pad releases or shrinks, the contact area to skin would be reduced, and the contact resistance increased, when the resistance is above 113ohms, the alarm will be activated by Red of "ALARM" indicator as well as Error code(Err--0) displayed on the CUT screen, at the same time a continuous alarm voice( > 65db) initiated, and the generator will stop output simultaneously, the alarm cannot be disabled unless the ESU pad adhered in a good condition again. -
A Power ON self diagnostics: In the self diagnosis process after Power ON, all working modes and functions operating are simulated and monitored by software control to determine whether they are performed normally, followed by transmitting of corresponding test data to the display module through the control module. If failure occurs, the respective code will be displayed accordingly as prompt and alarm voice delivered simultaneously, which disables all subsequent operations automatically.
-
A PPS (peak power system):The OBS-350A automatically senses resistance and adjusts the output voltage to maintain a consistent effect across different tissue density. This adjustment is based on the selected mode, the power setting and the level of tissue resistance. The maximum output voltage is controlled to reduce capacitive coupling and video interference and to minimize sparking.
। Pure CUT, Blend CUT and Bipolar modes are equipped this PPS function.
5.6 Duty Cycle
Under maximum power settings and rated load conditions (pure cut350W, 500ohm load) the generator is suitable for activation times of 10seconds on, 30seconds off for 1 hour.
| K162034 | Page 4 of 7 |
|---|---|
| --------- | ------------- |
7
Image /page/7/Picture/0 description: The image shows the logo for OBS, which is a green, stylized design. The logo consists of three connected shapes that form the letters 'OBS'. The 'O' is a rounded shape, the 'B' is a similar shape with a vertical line extending upwards, and the 'S' is a curved shape. A small 'R' in a circle, indicating a registered trademark, is located in the upper right corner of the logo.
6.0 Performance Data
The performance data were provided in support of the substantial equivalence determination. All standards applied were FDA recognized international standards. The software validation activities were performed in accordance with the FDA Guidance, "Guidance for the Content of Premarket Submissions for Software Contained in Medical Devices" (May 11, 2005). The device software is considered a "Moderate Level of Concern".
6.1 Performance Testing - Bench
In general, the evaluations compared the function of the OBS-350A against the performance characteristics defined by the Design Specification and in comparison to the performance characteristics of the predicate devices. To demonstrate substantial equivalence the following aspects were considered within the validation versus the predicate devices. The results demonstrate that comparable tissue effects and electrical waveforms are achieved with subject and predicate devices for all modes of operation.
The purpose of the bench validation testing was to show equivalence of the electrical waveform between the subject and predicate devices. An oscilloscope and high voltage probe were used as measuring and test equipment. The electrical waveforms of the OBS-350A were comparable to the electrical waveforms of the predicate devices. This was confirmed for all output modes (waveforms) at rated load.
The tissue thermal effects test was conducted by OBS-350A and predicate devices to demonstrate the tissue thermal effects equivalence in porcine muscle, kidney and liver tissue. Thermal Zone Damage Report for OBS-350A and predicate devices are provided in Chapter 029_Appendix 8.
Comprehensive validation bench tests demonstrated and confirmed substantial equivalence to the predicate devices. Testing confirmed that comparable tissue effects and electrical waveforms could be achieved for all modes of operation. Clinical and animal studies were not deemed necessary to support substantial equivalence.
7.0 Substantially Equivalent (SE) Conclusion
The following table compares the proposed device with the predicate device on respects of intended use, technological characteristics and principles of operation as well as performance conformance.
| K162034 | Page 5 of 7 | |
|---|---|---|
| --------- | -- | ------------- |
8
Image /page/8/Picture/0 description: The image shows a green logo with the letters "OBS" in a stylized font. The "O" is shaped like a water droplet, and the "S" has a curved, flowing design. A registered trademark symbol is located in the upper right corner of the logo. The logo is simple and clean, with a focus on the letters and the water droplet shape.
| Items | Proposed device
OBS-350A | Predicate device
(Force FX) | SE
Compare |
|---------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|
| Product
Code | GEI | GEI | Same |
| Regulation
Number | 878.4400 | 878.4400 | Same |
| Indication
for use | The Electrosurgical Generator
(OBS-350A) is a non-sterile,
reusable multi-purpose
electrosurgical generator that is
designed to perform monopolar
and bipolar functions in the
surgical operation area. | The Valleylab Force Fx is an
isolated, microprocessor based
ESU generator intended for use in
the operating room for general
procedures where ESU cutting
and coagulation is required. The
generator is equipped with
monopolar and bipolar outputs. | SE |
| Energy | HF energy | HF energy | Same |
| Input power | 120V/230V, 60Hz/50Hz | 100-120V/220-240V, 60Hz/50Hz | SE |
| Power
consumption | 880VA | 850VA | SE |
| Output
frequency | 330460KHz Sinusoid | 390470KHz Sinusoid | SE |
| Output Mode | Pure cut:
350Wmax, Load:500Ω,
Blend 1(macro):
250Wmax, Load:500Ω,
Blend 2(micro):
150Wmax, Load:500Ω,
COAG1(Spray):
120Wmax, Load:500Ω,
COAG2(Forced):
100Wmax, Load:500Ω,
COAG3(Soft):
50Wmax, Load:500Ω,
Bipolar1(macro):
100Wmax, Load:100Ω,
Bipolar2(micro):
100Wmax, Load:100Ω, | Low cut: 300Wmax, Load:300Ω,
Pure cut:300Wmax, Load:300Ω,
Blend: 200Wmax, Load:300Ω,
Low(Desiccate):120Wmax,
Load:500Ω, Crest factor:5.0
Med(Fulgurate):120Wmax,
Load:500Ω, Crest factor:7.0
High(Spray):120Wmax,
Load:500Ω,
Crest factor:8.0
BIPOLAR:
Low(Precise):70Wmax, Load:100Ω,
Med(Standard) :
70Wmax, Load:100Ω,
Macro:70Wmax, Load:100Ω, | SE |
| | | | |
| Items | Proposed device
OBS-350A | Predicate device
(Force FX) | SE
Compare |
| Open circuit
Vp-p(max) | Monopolar CUT
Pure: 2120V
Blend1: 2720V
Blend2: 2200V
Monopolar COAG
COAG1(Spray):4500V
COAG2(Forced): 4150V
COAG2(soft): 2500V
Bipolar:
Bipolar1(macro): 500V
Bipolar2(micro):350V | Monopolar CUT
Low: 1350V
Pure: 2300V
Blend: 3300V
Monopolar COAG
Desiccate:3500V
Fulgurate: 8500V
Spray: 9000V
Bipolar:
Precise: 450V
Standard: 320V
Macro: 750V | SE |
| Output
waveform | Monopolar and bipolar | Monopolar and bipolar | SE |
| Safety | ES60601-1:2005/(R)2012
And A1:2012 | IEC60601-1:2005 | Same |
| Performance | IEC60601-2-2:2009 | IEC60601-2-2:2009 | Same |
| EMC | IEC60601-1-2:2007 | IEC60601-1-2:2007 | Same |
9
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The tissue thermal effects tests by OBS-350A and predicate devices demonstrate the similarity of thermal effects in three tissues, verified substantial equivalence with predicate devices.
8.0 Comparison to Predicate Devices and conclusions
The Electrosurgical Generator model OBS-350A has the same intended use, operating procedures, principles of operation, technology and tissue thermal effects as the predicate devices. The OBS-350A does not raise additional issues of safety or efficacy compared to the predicate devices, and the slight differences have been proved to be substantial equivalence by performance bench test and comparison analyzing. Thus, the subject device and predicate device are substantial equivalence (SE).