A Activity diagram used in UML 6/9 and SysML B Bachman diagram Booch used in software engineering Block diagram Block Definition Diagram BDD used in SysML C Carroll diagram Cartogram Catalytic cycle Chemical equation Curly arrow diagram Category theory diagrams Cause-and-effect diagram Chord diagram Circuit diagram Class diagram from UML 1/9 Collaboration diagram from UML 2.0 Communication diagram from UML 2.0 Commutative diagram Comparison diagram Component diagram from UML 3/9 Composite structure diagram from UML 2.0 Concept map Constellation diagram Context diagram Control flow diagram Contour diagram Cordier diagram Cross functional flowchart D Data model diagram Data flow diagram Data structure diagram Dendrogram Dependency diagram Deployment diagram from UML 9/9 Dot and cross diagram Double bubble map used in education Drakon-chart E Entity-Relationship diagram ERD Event-driven process chain Euler diagram Eye diagram a diagram of a received telecommunications signal Express-G Extended Functional Flow Block Diagram EFFBD F Family tree Feynman diagram Flow chart Flow process chart Flow diagram Fusion diagram Free body diagram G Gantt chart shows the timing of tasks or activities used in project management Grotrian diagram Goodman diagram shows the fatigue data example: for a wind turbine blades H Hasse diagram HIPO diagram I Internal Block Diagram IBD used in SysML IDEF0 IDEF1 entity relations Interaction overview diagram from UML Ishikawa diagram J Jackson diagram K Karnaugh map Kinematic diagram L Ladder diagram Line of balance Link grammar diagram M Martin ERD Message Sequence Chart Mind map used for learning, brainstorming, memory, visual thinking and problem solving Minkowski spacetime diagram Molecular orbital diagram N N2 Nassi Shneiderman diagram or structogram a representation for structured programming Nomogram Network diagram O Object diagram from UML 2/9 Organigram Onion diagram also known as "stacked Venn diagram" P Package diagram from UML 4/9 and SysML Parametric diagram from SysML PERT Petri net shows the structure of a distributed system as a directed bipartite graph with annotations Phylogenetic tree - represents a phylogeny evolutionary relationships among groups of organisms Piping and instrumentation diagram P&ID Phase diagram used to present solid/liquid/gas information Plant Diagram Pressure volume diagram used to analyse engines Pourbaix diagram Process flow diagram or PFD used in chemical engineering Program structure diagram R Radar chart Radial Diagram Requirement Diagram Used in SysML Rich Picture R-diagram Routing diagram S Sankey diagram represents material, energy or cost flows with quantity proportional arrows in a process network. Sentence diagram represents the grammatical structure of a natural language sentence. Sequence diagram from UML 8/9 and SysML SDL/GR diagram Specification and Description Language. SDL is a formal language used in computer science. Smith chart Spider chart Spray diagram SSADM Structured Systems Analysis and Design Methodology used in software engineering Star chart/Celestial sphere State diagram are used for state machines in software engineering from UML 7/9 Swim lane Syntax diagram used in software engineering to represent a context-free grammar Systems Biology Graphical Notation a graphical notation used in diagrams of biochemical and cellular processes studied in Systems biology System context diagram System structure Systematic layout planning T Timing Diagram: Digital Timing Diagram Timing Diagram: UML 2.0 TQM Diagram Treemap U UML diagram Unified Modeling Language used in software engineering Use case diagram from UML 5/9 and SysML V Value Stream Mapping Venn diagram Voronoi diagram W Warnier-Orr Williot diagram Y Yourdon-Coad see Edward Yourdon, used in software engineering
A Veress needle or Veres needle[1] VER resh is a spring loaded needle used to create pneumoperitoneum for laparoscopic surgery. Of the three general approaches to laparoscopic access, the Veress needle technique is the oldest and most traditional.
What Is a Veress Needle? A Veress needle is a spring loaded needle used to introduce carbon dioxide gas into the peritoneal cavity during laparoscopic procedures.
Veress needle is used for the induction of pneumoperitoneum as a technique of preference or when an open technique is considered challenging as in obese patients.
The Veress needle technique is a closed approach that involves the insertion and retraction of a 2 mm, sharp tipped outer needle, which is followed by a hollow blunt tipped needle sliding forward and delivering gas.
“The LaparoLightTM Veress Needle addresses the pressing need for an illuminated visual placement indicator to enhance current safety protocols while providing the surgeon assurance during blind insertion.”
A Veress needle is held like a pencil by the surgeon who inserts it through the linea alba and peritoneum where a characteristic popping sensation is felt (figure 4).
The Veress needle is a specialized medical instrument widely used in laparoscopic (minimally invasive) surgeries to establish a pneumoperitoneum—a controlled inflation of the abdominal cavity with carbon dioxide (CO₂) gas.
The Veress needle is a pivotal tool in minimally invasive surgery, particularly for establishing pneumoperitoneum during laparoscopic procedures. Its use enhances surgical precision while reducing patient recovery time and minimizing complications associated with open surgeries.
Uncover the essential features of the Veress needle, including its spring loaded safety mechanism and blunt inner stylet, for safe laparoscopic entry. Learn how this crucial surgical tool works and why it is so important for minimally invasive surgery.
A spring loaded inner stylet with visual and audible placement indicators provide surgeon assurance during the blind insertion and shields the needle tip once it passes through the abdominal wall and enters into the abdominal cavity.
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