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Samenvatting OZT3 | Perioperatieve Verpleegkunde | Fontys | 2025/26

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Dit is een samenvatting van OZT3 Perioperatieve Verpleegkunde aan Fontys Hogeschool, gericht op de operatiekamer praktijk. De samenvatting behandelt IGDH (Instrumenten, Gazen, Doeken, Hechtingsmateriaal), de vier hoofdoperatietechnieken (open, laparoscopisch, endoscopisch, arthroscopisch), benodigde materialen en instrumenten per techniek, voor- en nadelen, mogelijke complicaties, en diathermie. Ideaal voor examenvoorbereiding en als praktijkgids voor het begrijpen van operatiekamer procedures en veiligheidsprotocollen.

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Samenvatting OZT3
IGDH ........................................................................................................................................... 5
Operatietechnieken ................................................................................................................... 5
De verschillende operatietechnieken: ................................................................................... 5
Open chirurgie:....................................................................................................................... 5
Laparoscopische operatietechniek: ....................................................................................... 7
Endoscopische chirurgie: ..................................................................................................... 10
Arthroscopische chirurgie: ................................................................................................... 13
Diathermie ............................................................................................................................... 15
Wat is de functie en doel van diathermiegebruik?: ............................................................. 16
Welke verschillende toepassingen zijn er bij elektrochirurgie?: ......................................... 16
Welke verschillende toepassingen zijn er bij elektrochirurgie?: ......................................... 17
Wat zijn de vier chirurgische effecten van de diathermie instellingen?: ............................ 17
Pure Cut: ............................................................................................................................... 18
Blend cut............................................................................................................................... 18
Dessiceren (contactcoaguleren): ......................................................................................... 19
Fulgureren (sproeicoaguleren):............................................................................................ 20
Wat doet de celinhoud:........................................................................................................ 21
Voorbeeld snijden, blend en coaguleren: ............................................................................ 22
Wat is het verschil tussen coaguleren en snijden?: ............................................................. 22
Wat wordt er bedoeld met de actieve en de neutrale elektrode?: ..................................... 23
Welke verschillende actieve elektroden zijn er?: ................................................................ 23
De passieve elektrode: ......................................................................................................... 24
Hoe ga je om met de kabel?: ............................................................................................... 24
Wat zijn de complicaties bij diathermiegebruik?:................................................................ 24
Is diathermierook schadelijk? Wat kun je doen om de overlast te verminderen?: ............ 25
Hoe ontstaat brandgevaar in combinatie met afdekmateriaal, alcohol en zuurstof?: ....... 25
Veiligheidsinstructies: .......................................................................................................... 26
Prepraat verzorging ................................................................................................................. 27
Pathologisch-anatomisch laboratorium: .............................................................................. 27
Microbiologisch/ immunologisch laboratorium: ................................................................. 27

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, Klinisch-chemisch/ hematologisch laboratorium: ............................................................... 28
Preparaatverzorging: ............................................................................................................ 28
Bewaar/ fixatiemedium voor preparaten: ........................................................................... 29
Waar moet jij als operatieassistent opletten bij een preparaat afnamen: ......................... 29
EPD: ...................................................................................................................................... 29
Buikwand en peritoneum ........................................................................................................ 30
Milieu intérieur & extérieur: ................................................................................................ 30
Wel of geen endoscopie?: .................................................................................................... 31
Wat kom je tegen als je wel door de buikwand heen gaat? ................................................ 31
Van cel tot organisme: ......................................................................................................... 32
Indeling weefsels: ................................................................................................................. 33
Epitheelweefsel: ................................................................................................................... 34
Bindweefsel: ......................................................................................................................... 36
Bindweefsel in strikte zin: .................................................................................................... 37
Steunweefsel: ....................................................................................................................... 38
Spierweefsel: ........................................................................................................................ 40
Zenuwweefsel: ..................................................................................................................... 41
Lagen van de buikwand: ....................................................................................................... 42
Buikwandspieren: ................................................................................................................. 44
Spiervezelverloop van schuine buikspieren: ........................................................................ 45
Lagen van de buikwand (fascia transversalis en peritoneum): ............................................ 46
Peritoneum = buikvlies:........................................................................................................ 47
Peritoneum (omentum majus = vetschort): ........................................................................ 49
Peritoneum (mesenterium): ................................................................................................ 50
Insufflatie (intra- of extraperitoneaal): ................................................................................ 51
Histologie en basis oncologie................................................................................................... 52
Inleiding celdeling: ............................................................................................................... 53
Doel celdeling; groei en vervanging: .................................................................................... 53
Groei en differentiatie:......................................................................................................... 55
Normale celdeling: ............................................................................................................... 57
Verloop celcyclus:................................................................................................................. 60
Mitose: ................................................................................................................................. 61
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,Abnormale celdeling. Wat gaat er mis? ............................................................................... 62
Delingssnelheid van cellen: .................................................................................................. 63
Pathologische groei en differentiatie:.................................................................................. 64
Pathogenese: ........................................................................................................................ 65
Wat is een tumor? Wat is kanker? ....................................................................................... 66
Wat is kanker? ...................................................................................................................... 67
Benigne tumoren: ................................................................................................................ 67
Maligne tumoren: ................................................................................................................ 68
Benigne en maligne: naamgeving: ....................................................................................... 68
Etiologie ................................................................................................................................ 69
Etiologie interne en externe factoren: ................................................................................. 70
Symptomen: ......................................................................................................................... 71
10 alarmsignalen (KWF): ...................................................................................................... 72
Symptomen: ......................................................................................................................... 72
Diagnostiek: .......................................................................................................................... 72
Diagnostiek: Endoscopie + biopsie:...................................................................................... 74
Diagnostiek: biopsie: ............................................................................................................ 75
Diagnostiek (PA): .................................................................................................................. 76
Diagnostiek: lymfogene metastasen: ................................................................................... 77
Diagnostiek: hematogene metastasen: ............................................................................... 78
Therapeutische benadering en beleid: ................................................................................ 79
Therapie: .............................................................................................................................. 81
Therapie; Oncologische chirurgie: ....................................................................................... 82
Therapie; Oncologische chirurgie: ....................................................................................... 83
Therapie; Oncologische chirurgie bij coloncarcinoom:........................................................ 84
Complicaties oncologische chirurgie:................................................................................... 85
Therapie: .............................................................................................................................. 85
Neo-adjuvante therapie: ...................................................................................................... 87
Stadiering/classificatie: ........................................................................................................ 87
TNM-classificatie: ................................................................................................................. 88
Stadiering, classificatie voorbeeld: ...................................................................................... 90
Stadiering, classificatie (voorbeeld): .................................................................................... 90
3

, Zenuwstelsel in relatie tot anesthesietechnieken ................................................................... 91
Relevantie voor de OK: ......................................................................................................... 91
Globale indeling zenuwstelsel: ............................................................................................. 93
Zenuwweefsel: ..................................................................................................................... 94
Neuroglia of gliacellen:......................................................................................................... 95
Anatomie neuron: ................................................................................................................ 96
Functies van een neuron: ..................................................................................................... 97
Prikkeloverdracht: ................................................................................................................ 98
Neurotransmitters:............................................................................................................... 98
Algehele anesthesie: narcose:.............................................................................................. 99
Werking van anesthetica voor algehele narcose: .................................................................. 100
Werking van anesthetica voor algehele narcose: .............................................................. 101
Spinale zenuwen --> plexus --> perifere zenuwen: ............................................................ 102
Bovenste extremiteit (Plexus brachialis):........................................................................... 103
Onderste extremiteit (Plexus lumbosacralis): .................................................................... 104
Perifere plexus-/zenuwblokkade: ...................................................................................... 105
Vliezen hersenen en ruggenmerg (meningen):.................................................................. 107
Cauda equina:..................................................................................................................... 108
Neuraxiale anesthesie: epiduraal versus spinaal: .............................................................. 110




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