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WO2020050735A1 - Procédé de castration laparoscopique de femelle du chien - Google Patents

Procédé de castration laparoscopique de femelle du chien Download PDF

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Publication number
WO2020050735A1
WO2020050735A1 PCT/RU2018/000494 RU2018000494W WO2020050735A1 WO 2020050735 A1 WO2020050735 A1 WO 2020050735A1 RU 2018000494 W RU2018000494 W RU 2018000494W WO 2020050735 A1 WO2020050735 A1 WO 2020050735A1
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WO
WIPO (PCT)
Prior art keywords
vagina
ovary
endoscope
trocar
ovaries
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Ceased
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PCT/RU2018/000494
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English (en)
Russian (ru)
Inventor
Александр Владимирович ЧЕРНОВ
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Individual
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Individual
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Priority to PCT/RU2018/000494 priority Critical patent/WO2020050735A1/fr
Publication of WO2020050735A1 publication Critical patent/WO2020050735A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D1/00—Surgical instruments for veterinary use
    • A61D1/06—Castrating appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D99/00—Subject matter not provided for in other groups of this subclass

Definitions

  • the invention relates to veterinary medicine, in particular to veterinary surgery, and can be used in castration (ovarian and ovariogisterectomy) of female dogs.
  • Castration (lat. Castratio — hollowness, from castro — clipping, cleansing, scattering) is a surgical operation, the essence of which is to remove the sexual glands from the animal in order to prevent natural fertilization.
  • Castration methods are known. There are methods of castration of male animals, for example, the method of castration of small domestic animals (source [1] - patent RU 2130299), the method of castration of male farm animals (source [2] - patent RU 95 111 112), the method of castration of boars (source [3] - patent RU 2391941), a method of castration of gobies (source [4] - patent RU 2104674). These methods [1,2, 3,4] are not suitable for castration of female dogs.
  • a known method of ovariohysterectomy in cats, ferrets with video endoscopic control (source [5] - RU 2326581). 1.5 cm back from the navel caudally along the white line of the abdomen, puncture with a Veress needle. Through a trocar with a magnetic valve, a video endoscope is inserted at the same point. Under visual control, the uterine horn and ovary are hooked. The hook is removed along with the uterine horn and ovary. Coagulate and dissect the uterine vessels of the extracted horn, ovarian ligament. The second uterine horn is removed. The uterus is cut off entirely in the area of its neck. The uterine stump is set into the abdominal cavity. An internal suture is applied to the muscles of the abdominal wall. The skin defect is sealed.
  • This method [5] is minimally invasive, but leaves on the outer surface of the animal’s body, a postoperative puncture that can disturb the animal, the animal can tear off the patch and contaminate the wound, especially with high motor activity. As a result, an inflammatory process may occur at the puncture site.
  • Method [6] includes performing an incision of a skin and muscle fragment of an operative wound, an incision of the peritoneum, removal of reproductive organs and suturing of the wound.
  • the wound incision is carried out 1-3 cm below the umbilical ring and 3-5 cm from the midline of the abdomen. The length of the cut is from 2 to 5 cm, depending on the need.
  • the surgical wound is displaced by pulling the skin to the right or left until the aponeurosis is exposed, along which an incision is made to penetrate the abdominal cavity.
  • a method of laparoscopic hernioplasty of umbilical hernias and hernias of the white line of the abdomen is known (source [8] - patent RU 2326581).
  • source [8] - patent RU 2326581 When implementing the method [8], to access the internal organs, during the operation, three trocars are introduced, in women, the trocar is introduced through the posterior vaginal fornix.
  • a method for performing transvaginal appendectomy is also known (source [9] - patent RU 2531138). The operation according to the method [9] is performed under combined endotracheal anesthesia. The patient's position is on his back, legs are divorced.
  • a direct endoscopic clamp is rearranged into a vaginal access trocar, which grasps and holds the apex of the appendix towards the anterior abdominal wall, visualizing its mesentery and base.
  • a vaginal access trocar Through a 10 mm vaginal access trocar, the base of the vermiform appendix is clipped with three clips, and the appendix between the distal clips is intersected with endoscopic scissors.
  • the vermiform appendix is removed from the abdominal cavity through a 10 mm vaginal access trocar. Perform a control audit, lavage, drainage of the abdominal cavity.
  • the vaginal access trocar is then removed from the abdominal cavity under visual control. Carboxyperitoneum is eliminated, trocars are removed from umbilical access.
  • the wound of the posterior vaginal fornix is not sutured, a napkin with hydrogen peroxide is introduced into the vagina.
  • the wound of umbilical access is sutured in layers.
  • the objective of the invention is to expand the arsenal of methods known in veterinary medicine for surgical interventions to castrate female dogs.
  • the technical result consists in solving the problem.
  • the technical solution allows minimally invasive transvaginal castration of the female dog, which is very beneficial for the postoperative state of the animal.
  • the surgical puncture is not outside, but is completely hidden from the external environment, which provides faster healing compared to known methods, eliminating the need for postoperative wound treatment and removal of sutures.
  • the technical result is achieved by the fact that in the method of laparoscopic castration of female dogs, the animal is placed on an angular rotary pad, on the back. They carry out anesthesia, anesthesia. They treat the vagina with antiseptics. Access to the ovaries is carried out transvaginally through a puncture. A calibrated blind dilatation of the vagina is performed using calibrated dilators with a diameter of up to 15 mm and blunt expanders of dilatation. Turn the animal over on the corner swivel plate on its side. Carry out a vaginoscopy with the supply of carbon dioxide (6-8 mm Hg), while the gas can be supplied both through the endoscope and through the trocar.
  • a trocar is inserted sequentially into the vagina, with a diameter of 10 to 20 mm (depending on the estimated size of the ovaries and uterus) and a length of 25 to 35 cm, through a sealing adapter that prevents the outflow of carbon dioxide is injected with an endoscope with a diameter of 10 millimeters and a length of 29 to 32 cm, with a working channel with a diameter of 5 millimeters, equipped with a video camera connected to the monitor.
  • an endoscope with a diameter of 10 millimeters and a length of 29 to 32 cm, with a working channel with a diameter of 5 millimeters, equipped with a video camera connected to the monitor.
  • Elongated (not less than the length of the endoscope) electrosurgical manipulators carry out coagulation and dissection of the vaginal wall.
  • a manipulator, an endoscope and then a trocar are carried out into the abdominal cavity.
  • the endoscope is driven through a sealing adapter into the trocar and carried out into the abdominal cavity.
  • the trocar is inserted into the abdominal cavity through the vagina to the maximum length.
  • carbon dioxide is fed through the cannula of the trocar.
  • Ovaries are visually determined through an endoscope.
  • An elongated manipulator is inserted into the endoscope. The soft tissues of the first ovary are removed.
  • Temporary pexia of the first ovary to the ventral abdominal wall is carried out, for this, a device for temporary pexia is introduced through the working channel of the endoscope. They mobilize the first ovary, dissect the soft tissues that bind the first ovary, capture their own ligaments of the first ovary, and the first ovary is removed through a trocar. The described sequence of actions to remove the second ovary is performed.
  • the vessels are ligated and coagulated, then the uterus is removed, the uterine horns are captured and removed into the vagina, eversion is performed through the vagina to the uterus’s horns and body with the extraction of the endoscope, then the vessels that feed the uterus are ligated or stitched, clipped or coagulated, sutured or ligated uterine stump, uterine stump are inserted into the abdominal cavity through the trocar, the trocar is removed, the postoperative wound is treated with antiseptics, a sterile napkin impregnated with a solution that promotes wound healing is inserted into the vagina.
  • Figure 1 - Photo shows an angular rotary lining
  • Figure 2 Photograph showing the end of the trocar in the abdominal cavity
  • the method is as follows.
  • the method is used to remove internal genital organs in female dogs for medical or social reasons. 12 hours before the planned operation, the animal is limited in food intake and 3 hours before the planned operation, fluid intake is limited.
  • endoscopic equipment consisting of a video system, an insufflator, an endoscope with a diameter of 10 millimeters, a length of 29 to 32 centimeters, with a working channel with a diameter of 5 mm, an elongated trocar with a diameter of 10 to 20 mm and a length of 25 to 35 cm , with a blunt stylet, a set of elongated manipulators (dissector, scissors, bipolar clamp-coagulator) with a length of 400 to 450 millimeters, a sealing adapter that prevents the outflow of carbon dioxide.
  • the animal is placed on the operating table, on a special angular swivel pad (figure 1) on the back. Anesthesia and anesthesia are performed. Access to the ovaries is carried out transvaginally through a puncture. For this, antiseptic sanitation of the vagina is performed by douching with antiseptics. Calibrated blind dilatation of the vagina is performed using calibrated dilators with a diameter of up to 15 mm and blunt-bougie dilators of the required caliber, which maximize the opening of soft tissues of the vagina. The animal is turned over on an angular swivel plate, on its side; for this, the angular swivel plate is turned at an angle of about 90 degrees.
  • a trocar is inserted into the vagina sequentially, with a diameter of 10 to 20 mm (depending on the intended size of the ovaries and uterus) and a length of 25 to 35 cm.
  • an endoscope is introduced, with a diameter of 10 millimeters and a length of 29 to 32 cm, with a working channel with a diameter of 5 millimeters, equipped with a video camera connected to the monitor.
  • the trocar is inserted into the abdominal cavity through the vagina to the maximum length.
  • vaginal wall Determine the position of the internal organs.
  • the anatomical features and condition of the vaginal wall are determined, and the site of the future puncture of the vaginal wall is determined, which is located dorsally, lateral to the midline of the body, far from large blood vessels. In the lateral parts of the vagina, blood vessels pass between them there is always a space on the dorsal wall of the vagina, which should be used to create a vaginal port (puncture).
  • Elongated electrosurgical manipulators are inserted into the vagina. The elongated (at least the length of the endoscope) electrosurgical manipulators coagulate and dissect the vaginal wall.
  • a manipulator is inserted into the vagina, then an endoscope and then a trocar, towards the left or right dome of the diaphragm.
  • a trocar is carried out into the abdominal cavity (Fig. 2), holding it in the longitudinal direction while advancing, bimanual control is carried out through the abdominal wall, detecting the end of the trocar in the area of the free abdominal cavity without the corresponding organs (rectum, urinary tract) bubble).
  • the endoscope is driven through a sealing adapter into the trocar and carried out into the abdominal cavity, establishing stable visual control over the state of the abdominal organs.
  • the video signal from the endoscope is displayed on the monitor. Through the endoscope, the ovaries are visually determined. The uterine horns are determined. An elongated manipulator (dissector) is inserted into the endoscope. The soft tissues of the first ovary are removed. Temporary pexia of the first ovary to the ventral abdominal wall is carried out; for this, a device for temporary pexia introduced through the working channel of the endoscope is used. The first ovary is mobilized, the soft tissues connecting the first ovary are dissected. For this, an elongated manipulator (bipolar clamp-coagulator) is introduced into the endoscope. The soft tissues that bind the first ovary are treated.
  • An elongated manipulator, scissors, is inserted into the endoscope, soft tissues connecting the first ovary are dissected. The section of soft tissues fixing the pexed first ovary is performed simultaneously with coagulation. Withdraw the elongated manipulator - scissors.
  • An elongated manipulator, a clamp is inserted into the endoscope. Capture the elongated manipulator - clamp, own ligaments of the first ovary. The mobilized first ovary is removed through the trocar, taking out the endoscope together with an elongated manipulator - a clamp. The described sequence of actions to remove the second ovary is performed. The soft tissues of the second ovary are removed, and the second ovary is temporarily secreted to the ventral abdominal wall.
  • the method is used by the author in a veterinary clinic for surgical castration of dogs.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Surgical Instruments (AREA)

Abstract

L'invention se rapporte au domaine de la médecine vétérinaire et concerne notamment un procédé de castration laparoscopique de femelle du chien. L'animal préparé pour une intervention est disposé sur le dos sur un support à rotation angulaire et anesthésié, après quoi on effectue un accès transvaginal vers les ovaires par perforation. On effectue un parage antispetique du vagin et une dilatation aveugle calibrée du vagin. L'animal est retourné et on effectue une vaginoscopie. On introduit dans le vagin un endoscope avec un canal fonctionnel d'un diamètre de 5 mm comportant une caméra vidéo reliée à un moniteur. On détermine la position des organes internes, et on marque l'emplacement de la perforation suivante de la paroi vaginale. On effectue une coagulation et une dissection de la paroi vaginale. L'endoscope est introduit dans un trocart et inséré dans la cavité abdominale, on reprère visuellement les ovaires via l'endoscope, et on introduit un manipulateur allongé dans l'endoscope. On retire les tissus mous des premier et second ovaires, et on effectue une pection temporaire des premier et second ovaires vers la paroi abdominale ventrale. Les ovaires sont saisis et extraits via le trocart. On effectue une ligature, un clipsage et une coagulation des vaisseaux. On retire ensuite l'utérus. On saisit et on extrait le col de l'utérus dans le vagin, et on effectue un retournement via le vagin. On effectue une ligature ou une suture, un clipsage, ou on coagule les vaisseau alimentant l'utérus. On recoud ou on ligature la base de l'utérus. La base de l'utérus est dirigée vers la cavité abdomninale via le trocart. On traite ensuite la blessure post-opératoire avec des antiseptiques. On insère ensuite une serviette stérile antiseptique dans le vagin.
PCT/RU2018/000494 2018-09-03 2018-09-03 Procédé de castration laparoscopique de femelle du chien Ceased WO2020050735A1 (fr)

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PCT/RU2018/000494 WO2020050735A1 (fr) 2018-09-03 2018-09-03 Procédé de castration laparoscopique de femelle du chien

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114983618A (zh) * 2022-04-17 2022-09-02 中国农业科学院兰州畜牧与兽药研究所 可视化引导建立小鼠或大鼠子宫灌注的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2503419C1 (ru) * 2012-09-26 2014-01-10 Вадим Витальевич Иванов Способ овариогистерэктомии у кошек, хорьков с видеоэндоскопическим контролем
RU2658156C2 (ru) * 2016-11-21 2018-06-19 Александр Владимирович Чернов Способ трансвагинальной лапароскопической кастрации женских особей собак и кошек

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2503419C1 (ru) * 2012-09-26 2014-01-10 Вадим Витальевич Иванов Способ овариогистерэктомии у кошек, хорьков с видеоэндоскопическим контролем
RU2658156C2 (ru) * 2016-11-21 2018-06-19 Александр Владимирович Чернов Способ трансвагинальной лапароскопической кастрации женских особей собак и кошек

Non-Patent Citations (4)

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CHERNOV A.V.: "Endokhirurgiya melkikh domashnikh zhivotnykh: vchera, segodnya, zavtra", ZHURNAL VETPHARMA, 2011, pages 77 - 82 *
HERNOV A.V.: "Transvaginalny dostup v diagnosticheskoi i khirurgicheskoi laparoskopii u samok sobak", ROSSIISKY VETERINARNY ZHURNAL. MELKIE DOMASHNIE I DIKIE ZHIVOTNYE, 2013, pages 23 - 26 *
IVANOV V. V.: "Opyt primeneniya odnoportovoi videolaparoskopicheskoi ovariogisterektomii u koshek bessherstnykh porod", ROSSIISKY VETERINARNY ZHURNAL. MELKIE DOMASHNIE I DIKIE ZHIVOTNVE, 2015, pages 21 - 24 *
VISLOGUZOVA E.V.: "Tekhnika provedeniya ovariogisteroektomii laparoskopicheskim metodom v veterinarnoi klinike '' Bolshaya medveditsa", ZHURNAL VETERINARIYA KUBANI, 2017, pages 21 - 23 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114983618A (zh) * 2022-04-17 2022-09-02 中国农业科学院兰州畜牧与兽药研究所 可视化引导建立小鼠或大鼠子宫灌注的方法

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