Surgical Drains
Surgical Drains - Related Videos
08:01
Non-surgical Intratracheal Instillation of Mice with Analysis of Lungs and Lung Draining Lymph Nodes by Flow Cytometry
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Cited by 51 •
2011
We illustrate non-surgical delivery of test materials into the lungs of anesthetized mice via the trachea. This method permits lung exposure to bacterial and viral pathogens, cytokines, antibodies, beads, chemicals, or dyes. We further describe harvesting and processing of lungs and lung draining lymph nodes (LDLNs) for flow cytometry.
02:29
Harvesting an Inguinal Draining Lymph Node from a Murine Model
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2025
This video demonstrates the surgical isolation procedure of the inguinal draining lymph node from a mouse model. Incision of the abdominal region provides access to the inguinal lymph node, which is surgically harvested. The harvested translucent inguinal lymph node can be used for immunological studies.
02:16
A Dissection Method to Harvest Murine Popliteal Draining Lymph Nodes for Ex Vivo Imaging
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2025
This video demonstrates a dissection technique to harvest popliteal draining lymph nodes from the mouse hind legs. Lymph nodes play a critical role in bridging innate and adaptive immunity, and harvesting intact lymph nodes — with a preserved tissue structure and cellular viability — can help study local and systemic immune responses.
07:51
The C-seal: A Biofragmentable Drain Protecting the Stapled Colorectal Anastomosis from Leakage
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Cited by 8 •
2010
The C-seal is a biofragmentable drain protecting the stapled colorectal anastomosis. In this video, details of the manufacturing, deployment and use are shown.
03:02
Intrathecal Placement of Lumbar Drain: A Technique to Withdraw Cerebrospinal Fluid from the Lumbar Spine in Porcine Model
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2025
This video describes the technique of intrathecal placement of a lumbar drain in a porcine ischemic model, which helps in draining the cerebrospinal fluid to a drainage system. The cerebrospinal fluid pressure is monitored by the drainage system, and fluid is drained to maintain a constant cerebrospinal fluid pressure.
FAQs
Passive and active systems differ in how they generate drainage. A passive drain relies on gravity and pressure differences, whereas an active system uses a bulb or another reservoir to create gentle suction. This distinction affects how fluid is drawn away from the operative area and gives clinicians a basis for describing or comparing drainage strategies after cancer surgery.
Output assessment provides two complementary signals: volume indicates how much fluid is accumulating or leaving the operative area, while character describes what the drainage contains, such as blood, serous fluid, or lymph. Clinicians use these observations to follow healing, recognize possible postoperative concerns, and determine when continued drainage or removal should be considered.
Gravity, pressure differences, and reservoir suction are the main physical conditions governing drainage. In a passive setup, fluid movement depends on gravity and pressure differences around the wound or body cavity. In an active setup, the reservoir adds gentle suction. Understanding these mechanisms helps clinicians interpret output and distinguish system function from changing postoperative accumulation.
Volume and character of the output provide the key observations described for postoperative management. Clinicians follow these patterns alongside the healing course, using them to judge whether drainage is still needed. In cancer-related operations, this supports a monitored transition from drain use to continued recovery while also helping clinicians identify postoperative concerns that may require attention.
After tumor resection, a drain can support postoperative management by removing accumulations from the surgical area while clinicians track what exits. The resulting observations help teams monitor healing and possible complications rather than relying only on the procedure itself. This makes drainage findings relevant to follow-up after operations that remove tumors.
After lymph-node surgery, drainage patterns can provide a practical recovery measure for both clinical care and research. Investigators may examine the amount and character of output when monitoring postoperative complications, comparing surgical approaches, or evaluating recovery outcomes. The drain therefore serves not only as a management tool but also as a source of observations about the postoperative course.