Choosing the Right Interconnect Systems for Medical Device Designs
Medical devices, such as patient monitors, imaging systems, electrophysiology catheters, and other diagnostic and therapeutic systems, require dependable connectivity and accurate signal transmission. Equipment for the medical market must be designed to eliminate the potential for failure or loss of functionality. Interconnects are especially vulnerable because they are often employed in some of the most exposed areas of the system, with the potential for damage due to environmental factors or misuse. In the medical sphere, there are many factors to consider when selecting connectors to ensure maximum performance and reliability over the expected life of the device.
Proper Mating
The potential for mating connectors that don’t belong together is a safety risk in many medical applications. System developers can build safeguards by using an appropriate form of color-coding to provide a visual indication of a correct match between a plug and receptacle.
Color-coding systems often have to be decided when the connectors are purchased from the supplier because color is an unchangeable feature of the plastic housing. However, some connectors offer greater flexibility. For example, receptacle and plug color-coding can sometimes be attributed to the use of interchangeable and differently colored silicone rings and strain reliefs incorporated during the assembly process.
Incorrect mating can also be avoided by using keyed connectors, which incorporate a mechanism that physically prevents the plug and receptacle from being mated if they are an unmatched pair. Keyed connectors are available in several styles. Some use connectors that, while identical in every other respect, have fixed keys that are part of the connector body.
Others have customizable keying, which allows users to alter the keying of the connector by changing the position of an insert and can help lower the cost of inventory.
For example, a customizable keyed connector with six different positions affords developers the flexibility to alter the interconnect configuration as the system requirements evolve. In cases like this, mismating is prevented by a plastic barrier positioned between the plug and receptacle in such a way that only compatible connectors will be able to mate. This approach more effectively reduces the possibility of contact damage compared to connectors in which the contacts themselves provide the physical barrier to mismating.
Smiths Interconnect’s HyperGrip Series circular plastic connectors are color-coded, offer six different customizable keying options for quick and accurate connections, and meet medical industry requirements, including: finger-proofing to IEC 60601, IP67 sealing, UL94 V-O flammability ratings, and compatibilitywith most sterilization processes.
High Reliability
In medical applications, and especially those with a safety-critical function, extra care must be taken to ensure that plugs and receptacles remain reliably interconnected. One reliability safeguard is to ensure that the connector has been specified for a sufficiently high number of mating cycles. Some of the connectors used in patient monitoring equipment, for example, have to be mated and unmated many times a day over a lifetime of many years. Depending on the type of system, a connector may have to endure tens of thousands of mating cycles during its lifetime. So, typical high-quality medical, military, or industrial connectors, which are often specified to reliably perform for 500 to 1,000 mating cycles, are unsuitable for these types of applications.
Another reliability consideration is the degree of shock and vibration present in the usage environment. For instance, if the equipment has to be used in an ambulance, extra care should be taken to choose connectors that are specified for rough use.
Many connectors are designed for applications that involve rough handling, but medical connectors may also have to be handled with protective gloves that could be torn or damaged by sharp edges or awkward handling requirements. So, system developers should also be mindful of these reliability risks, as such damage could introduce an additional path for the spread of disease or infection.
Contact Design
The reliability of an interconnect — its ability to perform over a long lifetime or in demanding situations — is largely determined by its contact design. One point of vulnerability in contact designs is the cantilever-beam spring mechanism conventionally used in a connector’s construction. The high normal-force required by such interconnects not only results in high mating forces but also tends to cause the spring to wear out.
System developers can eliminate this weakness by using a connector with an alternative contact design. For example, a hyperboloid contact system with a wire basket construction provides a reliable contact that doesn’t require a high normal force. Connectors with hyperboloid contacts enable smooth insertion and low-force pin and socket mating that provides greatly increased longevity compared to many other contact technologies.
Connectors with hyperboloid contacts can generally withstand more than 20,000 mating cycles. Another benefit of hyperboloid wire basket contacts is the enhanced wiping action that cleans the contact mating surfaces as the pin pushes past the spring wires during mating.
High-density Hypertac® hyperboloid contacts from Smiths Interconnect offer superior signal integrity, high mating cycles, high current ratings, minimal contact resistance, immunity to shock and vibration, and self-cleaning capabilities
Connector Design
Medical connectors can also incorporate a variety of signal, power, high-frequency coax, and high-data-rate fiber-optic contacts to meet the specific needs of an array of medical device developers. For example, high-density signal requirements can be addressed with spring probe contacts to avoid having to increase the size of the connector and several different contact technologies can be incorporated within a single hybrid connector to achieve the functionality of two or more different interconnects without the additional cost and board space requirements of multiple connectors.
In applications where one half of a connector forms part of a disposable element, such as an electronic catheter, but the other half must reliably perform for many thousands of mating cycles, it is tempting for developers to attempt to engineer the disposable half themselves to reduce costs. However, this practice should generally be avoided, as it’s easy to underestimate the engineering effort required to design high-reliability connectors. Ensuring that a connector supplier has designed both the plug and receptacle for a given application can proactively prevent potential electrical problems and equipment damage.
Medical appliances are increasingly incorporating plug-and-play functionality to simplify the process of connecting different pieces of equipment. Designs that support this capability normally include additional electronics or intelligence, like a chip that communicates with the host system to provide details about the identity or status of the connected device.
These components may be located in the equipment itself or, for electrical reasons, within the connector housing. System developers can choose to implement this additional functionality themselves, especially if it’s located within the equipment. However, if it’s to be included in a connector, it’s worthwhile to have the connector manufacturer add said functionality in during the design process, as adding it post-production could compromise the connector’s design and significantly diminish its performance and reliability.
Operating Environment
It is often important to ensure that connectors are designed to withstand exposure to some of the cleaning and sterilization methods used in certain medical environments, which range from mild soap solutions to alcohol, ethylene oxide gas, gamma radiation, and high-temperature steam autoclaving, which is widely used to sterilize cables, tools, and other accessories.
Additionally, since magnetic components positioned near the RF coil in MRI scanners can cast shadows on the generated images, they have been eliminated in more recent and more powerful MRI system designs. Non-magnetic connectors are now increasingly available to support this requirement. Some manufacturers have even effectively addressed the performance requirements of MRI scanners with non-magnetic variants of high-reliability connectors, incorporating them into fully non-magnetic cable assemblies and interconnect subsystems.
Summary
Given the demanding requirements of many medical applications, it’s important to consider to the many elements of connector design early in the development stage to ensure effective selections. Connectors are frequently considered after much of the design has taken shape, but this can be especially problematic for medical designs — for example, if the connectors used for the prototype don’t support the requisite number of mating cycles or if the connectors are vulnerable to damage from medical cleaning protocols. Although connector suppliers can engineer custom solutions if such problems arise, designers can avoid this added and extraneous expense by carefully considering interconnect requirements early in the design process.
Smiths Interconnect is a leading provider of technically differentiated electronic components, subsystems, microwave and radio frequency products that connect, protect, and control critical applications in the medical, commercial aviation, defense, space, semiconductor test, wireless telecommunications, and industrial markets.
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TE Connectivity(泰科TE)矩形引脚和插座连接器选型指南
目录- AMPLIMITE Subminiature Connectors 109 Series Connectors Coax Mix Connectors 90 Series Connectors ULTRA-LITE Connectors Connectors Application Tools Connectors PCB Layouts AMPLIMITE Connectors Accessories AMPLIMITE AND MILITARY Connectors Cross Reference
型号- 206499-4,207253-1,206499-1,5-212491-1,207253-2,204502-1,M24308/4-14F,M24308/2-294F,449379-2,449379-1,206803-1,M24308/4-324F,447733-1,206803-2,M24308/2-293F,M24308/4-13F,M24308/24-37F,204537-2,M24308/2-30F,1218842-1,311P409-1S-B-77,1218842-2,204370-2,1218842-5,1218842-3,1218611-1,M24308/4-325F,1218842-4,205555-2,447722-1,205555-3,05-14S-B-15,204526-1,05-14S-B-12,M24308/4-12F,M24308/2-292F,M24308/5-16F,M24308/24-58F,M24308/24-34F,206793-1,311P407-2P-B-T2,1218831-2,1218831-1,1218831-4,1218831-3,1218831-5,M24308/5-15F,205433-2,593036-5,M24308/2-291F,204515-3,M24308/24-59F,311P407-4P-B-12,M24308/4-11F,204515-2,593036-2,M24308/24-35F,5-445705-4,593036-1,593036-4,593036-3,208743-6,2-292F,208743-1,05-9S-B-12,208743-2,311P407-4P-B-15,208743-4,1-449379-1,05-9S-B-15,G-08-S1,1-449379-0,M22520/2-06,M24308/4-18F,M24308/2-298F,204504-1,05-22S-B-12,M24308/2-492F,M22520/2-09,M22520/2-08,M24308/2-33F,M24308/24-56F,M22520/2-01,M24308/24-32F,M24308/24-31F,206801-2,206801-1,1218855-3,M24308/3-13F,1757819-4,1218855-4,1757819-1,1218855-1,M24308/4-259F,1757819-2,1218855-2,447731-1,1218855-5,05-22S-B-15,445009- 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1218748-1,447718-1,M24308/1-16F,1218838-1,1218838-3,1218838-2,1218838-5,205167-1,1218838-4,05-23P-B-12,205419-1,445005- 1,05-23P-B-15,1218379-5,1218379-4,206501-4,1218379-1,1218379-3,206501-1,1218379-2,205483-2,M24308/1-15F,5-445730-1,1218827-1,1218827-3,1218827-2,1218827-5,1218827-4,M24308/3-1F,601966-1,5-448153-1,M24308/2-19F,593009-2,5-212498-1,593009-1,601966-4,601966-5,601966-6,593009-5,311P409-2S-B-15,593009-4,206064-2,593009-3,311P409-2S-B-12,206064-4,1218816-1,M24308/1-4F,M39029/57-354,205169-1,1218442-2,205169-4,1218442-1,1218128-1,1218442-4,1218442-3,1218442-5,M24308/1-5F,M24308/2-489F,211537-2,212563-1,M24308/3-4F,212563-2,5-212530-1,204542-2,211537-1,M39029/58-360,205165-1,211526-1,05-8P-B-15,M24308/3-5F,204531-1,1218290-5,5-208550-1,1218290-4,211526-2,05-8P-B-12,1218290-3,1218290-2,1218290-1,SERIES 109,205485-2,1218829-1,1218829-3,1218829-2,1218829-5,1218829-4,208551-1,208551-2,208551-3,208551-4,204520-2,204520-3,221980-1,221980-3,211641- 4,M24308/3-2F,205167-5,212530-1,212530-3,212530-2,212530-4,5-208744-1,05-21S-B-12,1218126-4,1218126-5,1218126-2,1218126-3,1218126-1,445730-1,05-21S-B-15,445730-3,445730-4,445730-5,1218444-2,1218444-1,1218444-4,1218444-3,1218807-1,1218444-5,M24308/3-3F,212561-2,446710-1,M24308/5-2F,212561-1,M24308/2-13F,M24308/2-351F,M24308/2-484F,204529-1,212498-2,212498-1,212498-4,212498-3,205089-4,205163-1,1218435-2,1218435-1,121843
TE Connectivity(泰科)圆形塑料连接器选型指南(英文)
目录- CIRCULAR PLASTIC CONNECTORS Applications and introduction CIRCULAR PLASTIC CONNECTORS introduction series 1 CPC connectors series 2 CPC connectors series 3 CPC connectors series 4 CPC connectors CPC Connectors Accessories Sealed CPC Connectors CPC Connector Sealing Accessorie MIL-C-5015 Style Circular Plastic Connectors Miniature CPC Connectors Metal-Shell Circular Plastic Connectors and Accessories Application Tooling CPC Connectors Technical Documents and Part Number Index
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],66598-1,66598-7,3-66104-0,206934-9,206934-5,206934-6,796381-1,796381-2,1445537-3,1445537-1,1-745254-4,1-745254-6,1-745254-1,1-745254-3,213851-1,770902-3,770902-4,770902-6,788085-1,1-206934-7,211103-1,796404-1,1-206934-8,770902-1,788085-3,1-206934-1,796272-1,213860-1,213905-1,1658540-5,1658540-4,206037-2,206037-1,1-770835-0,1-66602-0,66182-1,1658540-1,1658540-2,91523-1,66103-4,66103-3,796287-1,66103-2,211770-2,745254-6,745254-7,1977883-1,208721-1,1-66361-4,1-796406-1,1-66361-5,1-66361-6,1-66361-2,205840-4,796274-2,205840-3,207486-2,207486-1,745254-2,745254-3,213982-1,1445535-3,1445535-1,208491-1,206486-1,206486-2,66358-6,211839-1,1-66506-0,770904-3,770904-6,208480-3,796406-1,224155-1,208480-1,796274-1,2047793-1,213651-1,66425-8,66741-6,66741-5,66741-8,66425-6,1445824-3,66425-7,66741-7,66741-2,1445824-1,66741-1,1-66563-1,208471-1,2217000,213588-1,213588-2,66109-4,66109-3,796450-1,66109-2,1658538-2,1658538-1,66569-3,66569-2,91525-1,1658538-3,796387-1,796387-2,1-66598-0,1-66598-2,1-66598-1,66741-9,1-66598-4,1-770988-0,1546349-1,1546349-2,66099-2,796276-2,66099-4,796276-1,66099-3,206518-2,5066683-7,356114-1,208493-1,1-796387-1,1-796387-2,213893-2,90249-2,91549-1,91503-1,205838-1,1-66103-8,208482-1,794058-1,794058-3,205090-2,205090-1,91538-1,1445822-3,213849-1,1445822-1,208680-1,208473-1,208680-2,206044-1,1977890-1,208714-2,208714-1,206429-1,66107-4,213729-4,66107-3,213729-6,66107-2,213729-8,213729-9,66393-8,66393-7,206153-2,213827-8,206153-1,200333-1,213782-4,204219-1,796112-1,164163-1,213827-1,1-794058-0,211398-4,1-770986-0,164163-2,213782-1,201580-1,211398-2,211398-1,200333-8,213729-2,213729-1,207774-3,66260-1,66260-2,207774-2,213925-1,2151101-[ 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],66102-7,207825-9,205089-2,205089-1,208479-1,207825-1,1977884-1,211773-1,1-66360-4,1-66360-5,1-66360-6,1-66360-2,796291-1,1-796500-1,66597-2,213841-1,66597-8,213841-2,213841-3,213841-4,81665-5,213841-5,796380-1,1-206455-2,1-206455-1,213841-8,66597-1,81665-2,796380-2,81665-3,81665-4,1445819-3,1445819-1,1-745253-6,796075-1,356119-1,1-745253-1,1-745253-4,1-745253-3,193844-1,193844-2,1-770902-1,213852-1,1-770902-0,208459-1,796207-1,206358-2,206552-1,206358-1,206358-6,796403-2,206358-5,206127-1,796449-1,1445904-1,796403-1,1-206322-0,1-66099-5,796271-1,206708-1,796501-1,1-206070-0,206554-1,200821-1,206138-1,54010-1,206138-2,54010-4,208337-1,211400-1,45098,356611-2,356611-1,206138-8,66331-8,66100-9,66100-8,66100-7,1-66109-7,66331-5,207055-1,66331-7,1977886-1,58541-
D系列快速断开圆形塑料连接器
描述- Smiths Interconnect的D系列快速连接圆形塑料连接器采用Hypertac®超抛物面技术,提供高可靠性、低插入/提取力、长接触寿命、低接触电阻、高电流承载能力和抗冲击振动性能。D系列包括D01、D02和D04三种尺寸,适用于医疗设备、工业、铁路和商业应用,提供多种配置和连接方式。
型号- D SERIES
Smiths Interconnect‘s KA Series PCB connectors are capable of performing to significantly higher levels than the conservative ratings to date might suggest
Now, following rigorous testing at Smiths Interconnect’s Center of Excellence laboratory in Kansas City, KS, we are able to confirm our products’ superior capabilities and proven suitability for a wide range of applications in harsh environments where failure is not an option – such as in the military, aerospace and commercial aviation markets.
Smiths Interconnect D系列快速断开圆形塑料连接器选型指南
目录- Quick disconnect circular plastic connectors
型号- T1124,T1982,T1981,T1164,D01,D00,D02,D02 SERIES,D00 SERIES,D01 SERIES,D SERIES,T1866,T1888,T2019,M22520/2-01,D00EEB-0001,T870,D02□□B905□□□□□□□U□□□,MINI D00,HX3,T1957,T1914,T1958,S/DEM5.0150,M309,AFM8,K623,K547,T1215,AF8,D01□□B□□□□□□□□□,K1775,T1271,S/DEM1.0060,T2080,TP688
What are the Three Common Connectors?
Connectors are essential components in various electronic systems, enabling the transfer of power, data, and signals between different devices. Whether in consumer electronics, industrial machinery, or automotive applications, connectors ensure reliable connections and efficient system operation. In this article, we will explore the three most common types of connectors used in electronics: USB connectors, HDMI connectors, and SMA connectors.
cPCI系列加固型cPCI(2mm)连接器
描述- 该资料介绍了Smiths Interconnect公司生产的cPCI系列加固型(2mm)连接器。这些连接器采用Hypertac超球面接触技术,适用于各种应用和环境,尤其在高可靠性和安全性的需求下表现卓越。其特点是低插入/拔出力、长寿命、低接触电阻、高电流承载能力以及对冲击和振动的免疫力。
型号- ZK2000-002-59,ZK2000-001-03,ZK2000-002-14,ZK2000-001-05,ZK2000-002-16,ZK2000-001-04,ZK2000-001-01,K2A110FFDTABH,ZK2000-002-08,ZK2000-002-07,K2A110FMDTBH,K2□□□□F□□□□□□□,K2B110FMD,K2A110-0001,K2A110-0002,ZK2000-002-04,ZK2000-002-03,ZK2000-001-35,K2B095FMD,ZK2000-002-05,ZK2000-001-37,ZK2000-001-31,K2A110FFD,ZK2000-002-01,ZK2000-001-33,ZK2000-001-29,K2XXX-0001,K2XXX-0002,K2B110FFDTABH,K2B095FFDTABH,ZK2000-001-61,ZK2000-002-31,K2B095-0002,K2A110FMD,K2B110FFD,K2B095-0001,ZK2000-002-37,ZK2000-001-25,ZK2000-001-69,ZK2000-001-27,ZK2000-002-33,ZK2000-001-21,ZK2000-002-35,311P822MC110AD1,ZK2000-001-22,K2B095FFD,CPCI SERIES,ZK2000-002-29,K2A110FMD1TABH,ZK2000-001-19,K2B110-0001,K2B110-0002,ZK2000-002-61,ZK2000-001-14,ZK2000-002-25,ZK2000-002-69,ZK2000-001-16,ZK2000-002-27,ZK2000-001-59,ZK2000-002-22,ZK2000-002-21,ZK2000-002-19,ZK2000-001-07,ZK2000-001-08
How Smiths Interconnect Keeps The Medical World Connected
Smiths Interconnect technology brands supporting the medical industry include EMC, Hypertac, IDI, Lorch, and RF Labs, each one synonymous with exceptional performance. Supplying expertly designed products under these brand names, Smiths Interconnect also supports the medical sector with excellent consultancy and expert advice, making for reliable end-to-end solutions.
Nextron’s Medical Connectors Are Widely Used in IVL Catheters for Vascular Calcification Treatment
With the growing adoption of IVL technology, Nextron’s medical connectors are increasingly recognized across the industry, especially for their applications in IVL catheters and high-frequency energy connectors. These connectors have been adopted by several leading international medical device manufacturers and are successfully utilized in clinical settings, underscoring Nextron’s reliability in the field of minimally invasive surgery.
Smiths Interconnect Completes Product Offering for Disposable Healthcare Devices
Patient safety is a top priority for medical device makers. Their customers and the world of disposable medical devices are constantly evolving, due in large part to the risk and cost associated with reprocessing devices, compounded by growing regulations regarding the enviromental impact of disposable devices versus sterilization processes. To meet the market demand, Smiths Interconnect has developed a new disposable receptacle connector to complete its Hypergrip® Series of patented and proven high reliability circular connectors specifically designed for medical applications.
Smiths Interconnect Introduces Mini-Lock Connectors, New Technology to Improve Connectivity in Mission Critical Applications
Smiths Interconnect today announces the introduction of a new, cutting-edge product in its range of connectors that enables faster and more reliable connectivity across a range of mission critical industry sectors and applications.
Nextron‘s Next-Gen High-Speed Connectors
To meet the new demands arising from the rapid development of technology, Nextron has been developing new products including high-speed I/O connectors, circular connectors, and backplane connectors, which are applied to high-speed data centers, IIoT and Internet of Vehicle(IoV), etc. by integrating the patented technology, domain know-how and capabilities of simulation and verification accumulated over the past 30 years.
电子商城
品牌:华丰史密斯
品类:Environmentally-Sealed Rectangular Plastic Connectors
价格:¥253.5117
现货: 10
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