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WO2018141037A1 - Agencement destiné à un système d'étanchéité conique pour laparoscopie - Google Patents

Agencement destiné à un système d'étanchéité conique pour laparoscopie Download PDF

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Publication number
WO2018141037A1
WO2018141037A1 PCT/BR2017/050211 BR2017050211W WO2018141037A1 WO 2018141037 A1 WO2018141037 A1 WO 2018141037A1 BR 2017050211 W BR2017050211 W BR 2017050211W WO 2018141037 A1 WO2018141037 A1 WO 2018141037A1
Authority
WO
WIPO (PCT)
Prior art keywords
conical
surgical
trocar
seal
expandable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/BR2017/050211
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English (en)
Portuguese (pt)
Inventor
Jorge DE MORAES PRADO FILHO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2018141037A1 publication Critical patent/WO2018141037A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/34—Trocars; Puncturing needles

Definitions

  • the present utility model patent belongs to the field of surgical devices and its object is a conical seal for sealing surgical sections subjected to the insertion of surgical instruments, in particular the trocar in laparoscopic surgeries. After obtaining the pneumoperitoneum and the main function of this conical seal is to prevent the gas injected into the abdominal cavity from being expelled into the environment.
  • the tapered seal involves the trocar inserted into surgical cuts and which injects gas into the abdominal cavity during laparoscopic surgical procedures, the outer circumference of which is molded to the perimeter of the surgical cut to seal any interstitium that may cause the exit. of gas that was injected into the patient's abdominal cavity so that the surgeon can perform the surgical procedure.
  • Laparoscopy is where the doctor makes a small incision in the region to be examined or treated, through which he introduces the laparoscope (apparatus through which he will view and treat the area covered), which consists of a thin tube of fibers. through which you can visualize the internal organs and make diagnostic or therapeutic interventions.
  • the laparoscope apparatus through which he will view and treat the area covered
  • This technique has the advantage of being minimally invasive and thus result in less surgical trauma, less intraoperative bleeding, less postoperative pain, faster postoperative recovery and earlier return to usual activities and work. , besides smaller scars.
  • pneumoperitoneum is made for visualization of the organs.
  • the pneumoperitoneum procedure consists of applying a needle through an incision in the abdomen, connecting said needle to a deliever who injects the gas necessary for the expansion of the cavity.
  • the trocar After obtaining the pneumoperitoneum, the trocar is positioned within the cavity, being juxtaposed to the walls of the incision preventing the outflow of the gas.
  • the expansion gas may escape, in which case the surgeon is obliged to prevent the escape of the gases by any means.
  • a mechanical sealing device specifically designed to prevent outflow of expansion gas in such cases is known in the art.
  • Said sealing equipment is disclosed in document BR 10 2014 017181 9 A2 entitled "INFLATABLE RING BALLOON FOR LAPAROSCOPIC SURGERIES”; which is about an annular balloon that has the form of an expandable torus, which surrounds the perimeter of the trocar, understood as a tube for insertion of gas into the pneumoperitoneal abdominal cavity, said annular balloon has an air inlet and outlet that can be sealed by valve or even by mechanical obstruction of forceps. The annular balloon inflates near the enlarged surgical incision, but, surrounding the trocar, to seal out the expansion gas.
  • conical sealer for laparoscopy, has a conical shape that allows the patient to enter the tissues (skin, muscle and fat layers) until they find their physical limit, thus stopping. the hole that was made to perform the surgery.
  • a hole of the diameter of the trocar has the function of allowing its passage without allowing the passage of gas during the surgical procedure.
  • the surgical seal As the state-of-the-art device (annular balloon), the surgical seal, now being presented, need not be inflated into the patient's orifice, which facilitates its operation.
  • the state-of-the-art object needs several steps in its production process which increases production time such as injection, ultrasound welding and also needs great care to avoid burrs , which can impair the gas sealing process during surgery.
  • the tapered surgical seal can be produced in just one injection process, which ensures dimensional accuracy, scalability and minimal loss.
  • FIG. 1 - Shows a top perspective view of the conical seal for laparoscopy in question.
  • FIG. 2 - Shows a perspective view of the infero-iateric conical seal for laparoscopy, in question.
  • FIG. 3 - Shows a side view of the conical seal for laparoscopy, in question.
  • FIG. 4 - Shows a bottom view of the conical seal for laparoscopy, in question.
  • FIG. 5 - Shows a top view of the conical seal for laparoscopy, in question.
  • FIG. 6 - Shows a sectional view of the conical seal for laparoscopy, in question.
  • FIG. 7 - Shows an illustrative view of a laparoscopic surgery using the surgical conical seal for gas sealing inserted into the abdominal cavity.
  • FIG. 8 - Shows a detailed view of the surgical conical seal for gas sealing inserted into the abdominal cavity in a laparoscopic surgery.
  • the "LAPAROSCOPIC CONNECTED SEAL ARRANGEMENT” designates a surgical seal that surrounds the cannula or trocar for insertion of carbon dioxide gas into the abdominal cavity, when necessary. perform laparoscopic surgeries.
  • the taper seal for iaparoscopy (1) is made from a resilient surgical polymer (silicone) structure with a truncated geometry, the outer diameter of which is reduced from top to bottom and with a tunnel (3). ) longitudinal center of circular section.
  • longitudinally distributed ribs (6) are provided for regularly.

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention concerne un appareil médical appartenant au domaine des dispositifs chirurgicaux. L'état de la technique décrit un dispositif présentant la forme d'un toroïde dilatable entourant le périmètre du trocart, le toroïde dilatable possédant une entrée et une sortie d'air pouvant être fermées de manière étanche par une valve, voire par obstruction mécanique de pinces. Ledit toroïde extensible est gonflé au voisinage de l'incision chirurgicale élargie mais entoure le trocart, de manière à fermer de manière étanche la sortie du gaz de dilatation. Le grand inconvénient de ce modèle et son coût de production élevé, qui résulte de sa conception. En effet, le fait qu'il soit gonflable exige une main-d'oeuvre spécialisée, outre des équipements de grande précision. En vue de résoudre ce problème, on a mis au point l'objet de la présente demande de brevet, qui consiste en une structure (2) élastique de géométrie tronconique, dont le diamètre extérieur diminue en allant de haut en bas, un tunnel (3) longitudinal de section circulaire étant situé au niveau de son axe central, sa partie supérieure présentant, au voisinage de la face supérieure, un rebord (4) suivi de multiples ailettes circulaires (5), dont les diamètres diminuent en allant de haut en bas.
PCT/BR2017/050211 2017-02-01 2017-07-27 Agencement destiné à un système d'étanchéité conique pour laparoscopie Ceased WO2018141037A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR202017002121 2017-02-01
BRBR2020170021217 2017-02-01

Publications (1)

Publication Number Publication Date
WO2018141037A1 true WO2018141037A1 (fr) 2018-08-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2017/050211 Ceased WO2018141037A1 (fr) 2017-02-01 2017-07-27 Agencement destiné à un système d'étanchéité conique pour laparoscopie

Country Status (1)

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WO (1) WO2018141037A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226890A (en) * 1991-11-13 1993-07-13 United States Surgical Corporation Tissue gripping device
US6165184A (en) * 1996-11-18 2000-12-26 Smith & Nephew, Inc. Systems methods and instruments for minimally invasive surgery
US8137267B2 (en) * 2009-04-08 2012-03-20 Ethicon Endo-Surgery, Inc. Retractor with flexible sleeve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226890A (en) * 1991-11-13 1993-07-13 United States Surgical Corporation Tissue gripping device
US6165184A (en) * 1996-11-18 2000-12-26 Smith & Nephew, Inc. Systems methods and instruments for minimally invasive surgery
US8137267B2 (en) * 2009-04-08 2012-03-20 Ethicon Endo-Surgery, Inc. Retractor with flexible sleeve

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