Simulated stapling and energy based ligation for surgical training

{
  "publication_number": "US10198965B2",
  "country": "US",
  "kind": "B2",
  "title": "Simulated stapling and energy based ligation for surgical training",
  "abstract": "An inexpensive and practical surgical training system to train practitioners in the use of surgical stapling and energy-based ligation instruments and procedures is provided. The system comprises a modified or simulated surgical instrument such as linear surgical stapling device having a fixed anvil and an opposed, movable jaw sized and configured to be closed upon a simulated tissue structure. A marking or inking element is associated with the jaw and anvil of the stapling device and configured to impose a visible pattern on the surfaces of simulated tissue placed between the anvil and jaw. A pressure sensitive adhesive or other adhesive is associated with the inner surfaces of the simulated tissue that is activated upon compression between the anvil and jaw to simulate surgical occlusion.",
  "claims": [
    "1. A surgical training system, comprising: a simulated tissue structure comprising an outer surface, a first inner surface and a second inner surface adjacent to and at least partially facing the first inner surface; a surgical training instrument having a first jaw and a second jaw connected to an elongate shaft such that at least one of the first jaw and second jaw is movable between an open position and a closed position with respect to the other one of the first jaw and second jaw; the first jaw has a first opposing surface and the second jaw has a second opposing surface; the elongate shaft is connected to a handle at a proximal end of the surgical training instrument; the handle is configured to manipulate at least one of the first jaw and the second jaw between the open position and the closed position; the surgical training instrument includes a blade configured to sever at least a portion of the simulated tissue structure placed between the first jaw and the second jaw to define a cut line in the simulated tissue structure; wherein at least one of the first jaw and the second jaw includes a marking element configured to imprint markings on a portion of the outer surface of the simulated tissue structure placed between the first jaw and the second jaw when moved from the open position into contact with the simulated tissue structure in the closed position; wherein the marking element is a sleeve-like structure having a lumen configured to receive the first jaw or the second jaw; wherein the markings resemble at least one row of surgical staples on either side of the cut line.",
    "2. The system of claim 1 wherein the marking element comprises a surface configured to carry a marking compound and release the marking compound in a pattern upon contact with the outer surface of the simulated tissue structure.",
    "3. The system of claim 1 wherein the marking element contains ink, dye, or other marking compound.",
    "4. The system of claim 1 further including a container comprising a first portion containing an inking element, a second portion configured to receive the distal end of the surgical training instrument in a preferred orientation that facilitates presentation of surfaces to be treated to the inking element and a third portion configured to seal the container.",
    "5. The system of claim 1 wherein at least one of the first inner surface and second inner surface of the simulated tissue structure includes an adhesive configured to adhere the first inner surface to the second inner surface upon compression of the simulated tissue structure between the first jaw and the second jaw.",
    "6. The system of claim 5 wherein the adhesive is a pressure-sensitive, adhesive, double-sided tape, or contact adhesive.",
    "7. The system of claim 1 wherein the markings comprise ink, dye or other marking compound transferred from the marking element to the outer surface of the simulated tissue structure.",
    "8. The system of claim 1 wherein the markings comprise a three-dimensional texturing or embossment.",
    "9. The system of claim 1 further including adhesive on at least one of the first inner surface and the second inner surface."
  ],
  "description_excerpt": "The present invention is directed to medical training and simulation systems and devices that provide a user with visual, tactile and technical properties that emulate the situations extant in live surgical procedures.\n\nSeveral types of surgical devices are commonly used to cut and occlude tissue to control bleeding or leaking during or after dissection. These include surgical staplers, electrosurgical ligators, electrocautery instruments, blades, hooks, scissors and high frequency vibration ligators such as harmonic scalpels.\n\nIn particular, the linear surgical stapler is very useful and popular. The linear surgical stapler generally comprises an anvil surface against which staples are fired from an oppositely located cartridge. Tissue is captured in a gap between the jaw-like anvil and cartridge. A plurality of staples arranged in parallel rows in a staggered fashion is fired into the tissue and a blade operates to cut tissue between two sets of staple rows. Generally, the stapler is a single fire device and it must be reloaded with staple-cartridges during use. Most surgical procedures require the use of multiple cartridges. The stapler is designed to work only with a new staple cartridge in place and has a safety lock to prevent actuation of the blade if no new staple cartridge is present. The individual staple-cartridges are expensive. The cost may be justifiable for use in actual surgery but it is prohibitive in the case of training or practice.\n\nExamples of energy-based surgical instruments include electrosurgical blades, probes, scissors, graspers, dissectors, electrocautery instruments and the like.",
  "cpc": [
    "G09B 23/28",
    "A61B 17/068",
    "A61B 17/07207",
    "A61B 17/320092",
    "A61B 18/1445",
    "A61B 2017/2936",
    "G09B 23/285"
  ],
  "ipc": [
    "G09B 23/28"
  ],
  "assignees": [
    "Applied Medical Resources Corp"
  ],
  "inventors": [
    "Charles C. Hart"
  ],
  "filing_date": "2013-08-02",
  "publication_date": "2019-02-05",
  "grant_date": "2019-02-05",
  "priority_date": "2012-08-03",
  "application_number": "US-201313957973-A",
  "family_id": "49000616",
  "cited_by_count": 226,
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