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HOLMIUM [7 records]

Record 1 2025-02-28

English

Subject field(s)
  • Genitourinary Surgery
  • Lasers and Masers
CONT

Holmium laser ablation of the prostate(HoLAP). This procedure is similar to PVP [photoselective vaporization of the prostate] but uses a different type of laser.

French

Domaine(s)
  • Chirurgie génito-urinaire
  • Masers et lasers
Key term(s)
  • ablation de la prostate par laser à l'holmium

Spanish

Save record 1

Record 2 2025-02-28

English

Subject field(s)
  • Genitourinary Surgery
  • Lasers and Masers
CONT

Holmium laser enucleation of the prostate(HoLEP). A laser is used to cut and remove the excess prostate tissue that is blocking the urethra. Another instrument is then used to cut the prostate tissue into small pieces that are easily removed. HoLEP can be an option for men who have a severely enlarged prostate.

French

Domaine(s)
  • Chirurgie génito-urinaire
  • Masers et lasers

Spanish

Save record 2

Record 3 - external organization data 2003-04-15

English

Subject field(s)
  • Chemistry
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
DEF

Metallic element of atomic number 67 in group 11 of the periodic table.

OBS

One of the rare earth elements of the yttrium subgroup.

French

Domaine(s)
  • Chimie
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
DEF

Élément atomique (Ho; n° atomique 67; masse atomique 164,93), métal du groupe des terres rares.

Spanish

Save record 3

Record 4 2002-10-04

English

Subject field(s)
  • Lasers and Masers
  • Medical Instruments and Devices
CONT

The authors in previous presentations and publications have described the technique for minimally invasive spine surgery... It is a technique to shrink and harden the disk by application of the Holmium laser at low(5 watts) energy levels. Discectomy is done with micro-curettes and forceps, automated discectome, Holmium side-firing laser at ablative energy levels for discectomy, and non-ablative levels for laser thermodiskoplasty, all under C-arm and endoscopic control.

CONT

Endoscopic Facet-Joint Surgery(EFJS). In those cases where facet joint injection has temporarily relieved the symptoms and they have been incompletely alleviated by cryogenic rhizotomy, then endoscopic visualisation can be used to identify the nerves and especially the anterior nerves. These can be divided by laser sidefire probes and Holmium ablation. The joints can be opened and the rough surfaces can be sculptured again using Holmium sidefiring laser probes.

French

Domaine(s)
  • Masers et lasers
  • Instruments et appareillages médicaux
CONT

Le tir latéral (système avec miroir pour réfléchir le faisceau) : l'effet obtenu est une coagulation à des puissances de 40 à 60 watts pendant 60 secondes avec des sources Nd : YAG. L'application se fait par 4 spots d'une minute chacun à distance du col et du véru, éventuellement répétée à un autre étage si la prostate est plus volumineuse. L'autre effet est la vaporisation avec le même type de fibre en utilisant soit une source KTP ou Holmium : YAG ou en réduisant la largeur du faisceau afin d'augmenter la fluence.

Spanish

Save record 4

Record 5 2001-10-10

English

Subject field(s)
  • Permanent Magnets
CONT

Rare earth magnets include Sm-Co (Samarium-Cobalt) magnets and Nd-Fe-B (Neodymium-Iron-Boron) magnets. ... rare earth permanent magnets have many distinguishing characteristics, such as a large Maximum Energy Product, (one performance index for permanent magnets). Dozens of magnetic materials which contain rare earth have been developed recently. Two major families of rare earth permanent magnets, Sm-Co magnets and Nd-Fe-B magnets, have been widely used in a variety of applications. Each family has its own advantages and disadvantages.

OBS

Permanent Magnet Materials. Permanent magnets are used in the following major groups: acoustic transducers, motors and generators, magneto mechanical devices, and magnetic field and imaging systems. You will find permanent magnets in many products, such as televisions, telephones, computers, audio systems and automobiles. The permanent magnet family consists, in general terms, of non-rare earth permanent magnets and rare earth magnets.

OBS

Rare Earths : A family of elements with an atomic number from 57 to 71 plus 21 and 39. They are lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.

French

Domaine(s)
  • Aimants permanents
CONT

Récemment, l'apparition sur le marché d'aimants permanents à base de terres rares (Sm-Co ou Fe-Nd-B) a permis la réalisation de nouveaux séparateurs à haute intensité. Ces derniers se substituent dans beaucoup de cas aux appareils traditionnels du fait de leurs coûts d'investissement et de fonctionnement nettement inférieurs.

Key term(s)
  • aimant à base de terres rares

Spanish

Save record 5

Record 6 2001-10-10

English

Subject field(s)
  • Permanent Magnets
CONT

The non-rare earth magnets include Alnico (Aluminum-Nickel-Cobalt) magnets and Ceramic (Strontium and Barium Ferrite) magnets. Rare earth magnets include Sm-Co (Samarium-Cobalt) magnets and Nd-Fe-B (Neodymium-Iron-Boron) magnets. ... rare earth permanent magnets have many distinguishing characteristics, such as a large Maximum Energy Product, (one performance index for permanent magnets). Dozens of magnetic materials which contain rare earth have been developed recently. Two major families of rare earth permanent magnets, Sm-Co magnets and Nd-Fe-B magnets, have been widely used in a variety of applications. Each family has its own advantages and disadvantages.

OBS

Rare Earths : A family of elements with an atomic number from 57 to 71 plus 21 and 39. They are lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, and yttrium.

OBS

As opposed to "rare-earth magnet."

French

Domaine(s)
  • Aimants permanents

Spanish

Save record 6

Record 7 1989-02-09

English

Subject field(s)
  • Lasers and Masers

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 7

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