Polyether Ketone Cuff
Polyether Ketone Cuff - Related Videos
07:51
Implantation of a Carotid Cuff for Triggering Shear-stress Induced Atherosclerosis in Mice
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Cited by 30 •
2012
The constricting cuff presented in this article is designed to induce atherosclerosis in the murine common carotid artery. Due to the conical shape of its inner lumen the implanted cuff generates well-defined regions of low, high and oscillatory shear stress triggering the development of atherosclerotic lesions of different inflammatory phenotypes.
03:09
Identification of Unknown Aldehydes and Ketones - Concepts
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2020
Aldehydes and Ketones Aldehydes and ketones have a carbonyl group (C=O) as a functional group. A ketone has two alkyl or aryl groups attached to the carbonyl carbon (RCOR’). The simplest ketone is acetone, which has two methyl groups attached to the carbonyl carbon (CH3COCH3). An aldehyde is similar to a ketone, except that instead of two side groups connected to the carbonyl carbon, they have at least one hydrogen (RCOH). The simplest aldehyde is formaldehyde (HCOH), as it has two hydrogens...
15:03
Identification of Unknown Aldehydes and Ketones - Student Protocol
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2020
Source: Lara Al Hariri and Ahmed Basabrain at the University of Massachusetts Amherst, MA, USA DNPH Test for Aromatic Aldehydes and KetonesExpand In this lab, you'll use the DNPH test, the Tollens' test, and the iodoform test to identify two unknown aldehydes or ketones. You'll use butanone and benzaldehyde as known compounds to confirm that the tests are working as expected. You'll start the lab with the DNPH test, which relies on the reaction between 2,4-dinitrophenylhydrazine, or DNPH,...
13:19
Mouse Model for Pancreas Transplantation Using a Modified Cuff Technique
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Cited by 6 •
2017
Among abdominal solid organ transplantation, pancreatic grafts are prone to develop severe ischemia reperfusion injury-associated graft damage, leading eventually to early graft loss. This protocol describes a model of murine pancreas transplantation using a non-suture cuff technique, ideally suited for analyzing these early, deleterious damages.
01:04
Structures of Aldehydes and Ketones
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2023
Vanillin—a flavoring agent in vanilla, cinnamaldehyde—a molecule responsible for the distinct smell of cinnamon, and acetone—a strong-smelling ingredient in nail polish removers, all belong to a class of carbonyl compounds called aldehydes and ketones (Figure 1). Although both aldehydes and ketones contain the characteristic carbonyl (C=O) bond, their chemical structures vary with respect to the groups directly attached to the carbonyl carbon. In aldehydes (Figures 1a and 1b), the carbonyl...
FAQs
The polymer backbone’s aromatic ether and ketone linkages contribute to the combination of mechanical strength, dimensional stability, chemical resistance, and heat tolerance. This combination matters because a cuff must retain its intended shape while operating around tissue or an implanted structure, helping the interface remain consistent during use.
Performance cannot be inferred from the polymer family alone. The selected polymer grade, cuff geometry, and surface characteristics all influence how the component behaves in its intended setting. Considering these variables together allows designers to match structural behavior and interface characteristics to a particular surgical or implantable system rather than treating every cuff as interchangeable.
Heat tolerance and chemical resistance help the cuff preserve its material characteristics when exposed to demanding conditions associated with its intended use. These properties support dimensional stability and shape retention, which are important when the component must maintain a dependable relationship with tissue or an implanted structure over the course of system operation.
Evaluation should connect the cuff’s polymer grade, geometry, and surface characteristics with the requirements of the intended application. Researchers can then consider whether the component offers suitable mechanical strength, shape stability, chemical resistance, and heat tolerance for that setting. This approach supports application-specific selection instead of relying on material identity alone.
Its described medical uses include surgical and implantable systems in which a durable cuff surrounds, supports, or interfaces with tissue or an implanted structure. The relevant outcome is a stable tissue-device relationship that can help maintain positioning and function. The exact design requirements depend on the system and clinical application.
During development, the cuff’s behavior can help researchers assess whether the selected material and geometry preserve the intended interface and positioning of the system. Attention to surface characteristics adds another design consideration, while mechanical strength, dimensional stability, chemical resistance, and heat tolerance indicate how well the component may support its intended medical role.