Polymeric medical devices (catheters, needles) of the LED UV light-cured

Polymeric medical devices, such as intravenous catheter needle, intravenous catheter, interventional auxiliary equipment, bleeding nose bolt and so on, use medical polymer materials, so different materials need to address the problems of bonding, such as PC-silica gel, PC-stainless steel and so on. In high-performance polymeric medical devices, many of the use of UV light curing glue, such as LOCTITE, 3M and others have medical certification level of the glue.

Properties of polymers need low-temperature, low-intensity. Ultra-violet light source that is consistent with the requirements of clean-room, puts a lot of restrictions on the traditional high-power UV curing equipment, and low power consumption, environmentally friendly high-performance UV-ST LED source can be very good in line with the low - power consumption, efficient, environmentally friendly, compact needs. Here, I will talk about applications of small-scale area light source in the medical device.

Case # 1: curing of intravenous catheter system

A large medical device company plans to produce mass of various intravenous catheter systems, in need of bonding stainless steel needle catheter and PC, as well as PC and PC catheter. I hope to find a curing light, curing Rally> 5kg, and at the same time it does not affect the performance of polymer materials. After trying a number of light sources, selected GOOD ST-LED UV Ultraviolet economical source to act in concert with the conveyor belt of the customer.

ST-LED UV main parameters：
Irradiation head:20-60W of LED
UVA intensity:1000-8600mw/cm2
Effective area:200 * 200cm
Power:100-240V
Cooling:built-in high-tech chip cooling system

The practical application of parameters:
Glue: loctite 3311
Conveyor speed: 0.8m/min
UV energy :> 1000mJ/cm2
UV peak intensity :> 80mw/cm2

Case # 2: conveyor bulk medical catheter

A large medical manufacturer of special medical catheter currently used several high-power UV light curing equipment, to do medical catheter curing adhesive. Feedback: Power consumption is large and temperatures are high, yellow glue, large size and can not be integrated into larger processes, as well as issues such as cleanliness.

Analysis: Customers use UV glue and actual requirements of the energy is not high, about 1200-1500mJ/cm2, and the size of products are small. Polymeric materials under high temperature deformation easily lead to a higher failure rate.

Solution: The GOOD ST LED UV Curing System, total 80W power consumption, around 1200-1500mJ/cm2, the temperature can be controlled under 5 degrees.

Application specific parameters are as follows:
Conveyor belt: 20cm wide * 120cm long track enhanced TEFLON
Speed: 1.5m/min (0.15-3.6m/min adjustable)
Energy: 1200-1500mJ/cm2
Strength: 80-100mw/cm2
Conveyor belt is very convenient to install. No requirements to power supply and factory environment, with a total weight less than 3.5kg.

The main things to watch:
Reduce power consumption: 4KW reduced from about 80w
Reduce the temperature: below 5 degrees
no effect on cleanliness
Save shop space
Can be achieved online Flow shop