WO2013151257A1 - Thoracic trocar - Google Patents

Thoracic trocar Download PDF

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Publication number
WO2013151257A1
WO2013151257A1 PCT/KR2013/002380 KR2013002380W WO2013151257A1 WO 2013151257 A1 WO2013151257 A1 WO 2013151257A1 KR 2013002380 W KR2013002380 W KR 2013002380W WO 2013151257 A1 WO2013151257 A1 WO 2013151257A1
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WO
WIPO (PCT)
Prior art keywords
trocar
cannula
thoracic
shield
present
Prior art date
Application number
PCT/KR2013/002380
Other languages
French (fr)
Korean (ko)
Inventor
김철우
Original Assignee
Kim Chul Woo
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Publication date
Application filed by Kim Chul Woo filed Critical Kim Chul Woo
Publication of WO2013151257A1 publication Critical patent/WO2013151257A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3431—Cannulas being collapsible, e.g. made of thin flexible material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/02—Access sites
    • A61M39/06—Haemostasis valves, i.e. gaskets sealing around a needle, catheter or the like, closing on removal thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3423—Access ports, e.g. toroid shape introducers for instruments or hands
    • A61B2017/3427—Access ports, e.g. toroid shape introducers for instruments or hands for intercostal space
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
    • A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
    • A61B2017/349—Trocar with thread on outside

Definitions

  • the present invention relates to a medical trocar, and more particularly to a thoracic trocar.
  • a trocar is a device that supports the operation of the thoracic or abdominal cavity by making a small hole without making a large incision in the abdomen or thoracic cavity of the patient.
  • Medical trocars are generally medical instruments used to access the thoracic or abdominal cavity. Medical instruments such as laparoscopic, thoracoscopic, and endoscope are inserted using a medical trocar.
  • Thoracoscopic surgery is a method of drilling a small hole in the patient's thoracic cavity and through this hole while observing the inside of the thoracic cavity.
  • thoracoscopic surgery has been developed to make the incision of the skin as small as possible, and the operation using this thoracoscopic surgery is increasing day by day.
  • the trocar is inserted between the ribs and ribs in the same region as the thorax to observe organs such as the lungs or to perform surgery. It causes tremendous pain, which still causes great pain after surgery.
  • An object of the present invention is to provide a thoracic trocar for reducing the pain of the patient when the trocar is inserted between the bones, such as the chest.
  • One embodiment of the present invention is a trocar for thoracic cavity, trocar; Cannula; And a shield, wherein the trocar is divided into upper and lower parts, the lower part is a cylindrical member, the upper part is a member having a size larger than the circumference of the lower cylinder, and the lower end which does not contact the upper part is tapered (the cannula includes a tubular member insertable along the longitudinal direction of a cylinder at the bottom of the trocar and a portion of the tubular member widened at one end of the tubular member.
  • the cannula is inserted into the trocar so that the widening portion faces the upper side of the trocar, and the shield is a tubular member that wraps around its length along the length of the tubular cannula of the cannula.
  • the shield is a tubular member that wraps around its length along the length of the tubular cannula of the cannula.
  • the shield is also referred to as an insertion member, and in the present specification, the shield is a uniform shield. Threads may be formed on the outside of the shield.
  • the tubular member of the cannula is made of a rigid plastic material (for example, plastic such as PC, PP, ABS, etc.), and the shield is made of a flexible and soft material (eg, a plastic).
  • a rigid plastic material for example, plastic such as PC, PP, ABS, etc.
  • the shield is made of a flexible and soft material (eg, a plastic).
  • Thermoplastic Elastomer, Polyurethane, Silicone, Rubber, etc.) is preferable.
  • the thoracic trocar according to the present invention has an advantage of reducing pain of the patient when the trocar is inserted between bones such as the chest.
  • FIG. 1 is a perspective view of a combined trocar for thoracic cavity according to an embodiment of the present invention
  • Figure 2 is a combination of the configuration of the thoracic trocar according to an embodiment of the present invention
  • FIG. 3 is a view of the trocar of the thoracic trocar according to an embodiment of the present invention
  • FIG. 4 is a view of the cannula of the thoracic trocar according to an embodiment of the present invention
  • FIG. 5 is a view of the shield of the thoracic trocar according to an embodiment of the present invention
  • FIG. 6 is a view of the cover of the thoracic trocar according to an embodiment of the present invention
  • Thoracic trocar according to an embodiment of the present invention, trocar 10; Cannula 20; Shield 30; And a cover 40.
  • FIG. 1 shows a perspective view of a combined thoracic trocar according to an embodiment of the present invention
  • Figure 2 shows a combination of the components of the thoracic trocar according to an embodiment of the present invention.
  • FIG. 3 shows the appearance of the trocar 10 of the thoracic trocar according to an embodiment of the present invention.
  • the trocar 10 may be divided into an upper portion 14 and a lower portion 12, as shown in FIG.
  • the lower part 12 is a long cylindrical member, and one end of the lower part 12 abuts the upper part 14.
  • the upper portion 14 is a member having a size larger than the circumference of the lower cylinder, and may or may not be cylindrical, but may be a member having a size larger in the radial direction than the entire circumferential surface of the lower cylinder. As such, the upper part is larger in the radial direction than the lower part so that the cannula 20 can be accurately inserted to the depth of the upper part when the cannula 20 is inserted into the trocar 10.
  • the end portion 16 which is not in contact with the upper portion 14 of the lower portion 12, has a tapered shape, that is, an awl-like shape.
  • This part 16 is a part that directly penetrates the chest to form a sharp shape.
  • Figure 4 shows the appearance of the cannula of the thoracic trocar according to an embodiment of the present invention.
  • the cannula 20 is a long tubular member, as shown in FIG. 4.
  • the cannula 20 is insertable along the longitudinal direction of the cylinder of the lower part 12 of the trocar 10.
  • the cannula 20 has a tubular shape, and has a tubular shape, and a hole 26 penetrating along the longitudinal direction thereof is formed.
  • the cannula 20 is inserted into the body through the skin and is inserted into the body so that the medical device is inserted into the cannula 20 through the through hole 26.
  • the cannula 20 may be a tubular member, and additionally, a thread may be formed at one end to securely fasten the upper portion 14 of the trocar 10.
  • the thread may be formed at one end of the cannula 20, and may be formed on an additional member 24 integrally connected with the cannula.
  • the thread formed on the outer circumferential surface of one end of the cannula may be a trocar 10 It is engaged with the complementary thread formed in the portion that abuts the threaded portion of the cannula of the upper portion 14 of the can) to achieve a very tight coupling.
  • the cannula 20 may be divided into a tubular member that can be inserted along the longitudinal direction of the cylinder of the lower part of the trocar, and a portion where the size of the tube is widened at one end of the tubular member.
  • the cannula is inserted into the trocar so that the portion of the tube widens toward the upper side of the trocar.
  • Figure 5 shows a state of the shield 30 of the thoracic trocar according to an embodiment of the present invention.
  • the shield 30 is a soft elastic material and is a tubular member that can be fitted to wrap around its length along the length of the tube of the tubular cannula 20.
  • Shield 30 is formed with a through hole 36 along the longitudinal direction to be fitted to the tube of the cannula (20).
  • the shield 60 is made of a soft elastic material.
  • a soft elastic material may be silicone, natural rubber, or the like. Accordingly, when the cannula is inserted in a place such as the chest of the patient, the soft elastic material portion is touched without directly touching the bone or the like, thereby reducing the pain of the patient.
  • the tubular member of the cannula is made of a rigid plastic material (e.g., plastic such as PC, PP, ABS, etc.), and the shield is flexible and resilient. soft) material (eg Thermoplastic Elastomer, Polyurethane, Silicone, Rubber, etc.).
  • a thread-shaped portion 32 is formed around the shield, so that it can be inserted smoothly into the chest when inserted into the chest.
  • the thread-shaped portion 32 is also a soft elastic material, silicon, natural rubber or the like is used.
  • Figure 6 shows the appearance of the cover of the thoracic trocar according to an embodiment of the present invention, such a cover can be fitted to the open upper portion of the trocar top (14).
  • the present invention having the configuration as described above is a useful invention that can reduce the pain of the patient when the trocar is inserted between the bone, such as the chest.

Abstract

One embodiment of the present invention provides a thoracic trocar, comprising: a trocar; a cannula; a shield; and a cover, wherein the trocar is divided into an upper portion and a lower portion, wherein the lower portion comprises a member having a cylinder shape and the upper portion comprises a member having a circumference which is larger than that of the cylinder of the lower portion, wherein the end of the lower portion that does not come into direct contact with the upper portion is tapered, wherein the cannula comprises a pipe-shaped member which can be inserted along the lengthwise direction of the cylinder of the lower portion of the trocar, wherein the shield comprises a member which is made from a soft elastic material and having a pipe shape so as to be inserted along the length of a pipe of the pipe-shaped cannula while surrounding same, and wherein the cover can be fitted onto an open upper portion of the trocar.

Description

흉강용 트로카Thoracic Trocar
본 고안은 의료용 트로카에 관한 것으로서, 특히 흉강용 트로카(Thoracic Trocar)에 관한 것이다.The present invention relates to a medical trocar, and more particularly to a thoracic trocar.
트로카(TROCAR)란 환자의 배 또는 흉강을 크게 절개하지 아니하고 작은 구멍을 내어 흉강 또는 복강 수술을 할 수 있도록 지지해주는 장치이다.A trocar is a device that supports the operation of the thoracic or abdominal cavity by making a small hole without making a large incision in the abdomen or thoracic cavity of the patient.
의료용 트로카는 일반적으로 흉강 또는 복강에 접근하기 위해 사용되는 의료 기구이다. 의료용 트로카를 이용하여 복강경, 흉강경, 내시경과 같은 의료 기구가 삽입된다.Medical trocars are generally medical instruments used to access the thoracic or abdominal cavity. Medical instruments such as laparoscopic, thoracoscopic, and endoscope are inserted using a medical trocar.
흉강경 수술 등은 환자의 흉강에 작은 구멍을 뚫고, 이 구멍을 통해 흉강의 내부를 관찰하면서 수술하는 방식이다.Thoracoscopic surgery is a method of drilling a small hole in the patient's thoracic cavity and through this hole while observing the inside of the thoracic cavity.
기존의 개복수술과는 달리 피부의 절개부분을 되도록 작게 절개하기 위하여 흉강경 수술이 개발되면서 이 흉강경 수술을 이용한 수술이 날로 증가하고 있다.Unlike conventional laparotomy, thoracoscopic surgery has been developed to make the incision of the skin as small as possible, and the operation using this thoracoscopic surgery is increasing day by day.
한편, 이러한 트로카를 이용해 흉부와 같은 부위에서 갈비뼈와 갈비뼈 사이에 트로카를 삽입하여 폐와 같은 장기를 관찰하거나 수술을 하기도 하는데, 이 경우에 트로카 장치가 갈비뼈 사이에 들어가면서 뼈 또는 신경을 건드릴 경우 환자에게 엄청난 고통을 일으키고, 이는 수술 후에도 여전히 엄청난 고통을 가져다주게 된다.On the other hand, the trocar is inserted between the ribs and ribs in the same region as the thorax to observe organs such as the lungs or to perform surgery. It causes tremendous pain, which still causes great pain after surgery.
따라서, 이러한 흉부와 같이 뼈 사이에 트로카가 삽입될 경우, 환자의 고통을 줄이는 장치에 대한 요구가 항상 존재해 왔다.Thus, when trocars are inserted between bones such as these chests, there has always been a need for a device that reduces patient pain.
본 발명의 목적은 흉부와 같이 뼈 사이에 트로카가 삽입될 경우, 환자의 고통을 줄일 수 있는 흉강용 트로카를 제공하는 데에 있다.An object of the present invention is to provide a thoracic trocar for reducing the pain of the patient when the trocar is inserted between the bones, such as the chest.
본 고안의 일 실시예는 흉강용 트로카로서, 투관침; 캐뉼러; 및 쉴드를 포함하고, 상기 투관침은 상부 및 하부로 나뉘며, 하부는 원기둥 형상의 부재이고, 상부는 하부의 원기둥의 원주보다 큰 크기를 갖는 부재이며, 상부와 맞닿지 않는 하부의 끝단은 테이퍼 형상(tapered)을 가지고, 상기 캐뉼러는 상기 투관침의 하부의 원기둥의 길이 방향을 따라 삽입 가능한 관 형상의 부재 및 상기 관 형상의 부재의 일 끝단에서 관의 크기가 넓어지는 부분을 포함하며, 상기 관의 크기가 넓어지는 부분이 상기 투관침의 상부 쪽을 향하도록 캐뉼러가 투관침에 삽입되고, 상기 쉴드는 상기 캐뉼러의 관 형상의 캐뉼러의 관의 길이를 따라서 그 주위를 감싸고 있는 관 형상의 부재인, 흉강용 트로카를 제공한다.One embodiment of the present invention is a trocar for thoracic cavity, trocar; Cannula; And a shield, wherein the trocar is divided into upper and lower parts, the lower part is a cylindrical member, the upper part is a member having a size larger than the circumference of the lower cylinder, and the lower end which does not contact the upper part is tapered ( the cannula includes a tubular member insertable along the longitudinal direction of a cylinder at the bottom of the trocar and a portion of the tubular member widened at one end of the tubular member. The cannula is inserted into the trocar so that the widening portion faces the upper side of the trocar, and the shield is a tubular member that wraps around its length along the length of the tubular cannula of the cannula. Provides thoracic trocar.
이 경우 쉴드는 삽입 부재라고도 하며, 용어의 통일상 쉴드로 본 명세서에서는 통일하였다. 쉴드의 외부에는 나사산이 형성되어 있을 수 있다.In this case, the shield is also referred to as an insertion member, and in the present specification, the shield is a uniform shield. Threads may be formed on the outside of the shield.
한편, 캐뉼러의 관 형상의 부재는 강성이 있는 플라스틱 재질(예: PC, PP, ABS 등의 플라스틱)로 만들어지며, 쉴드(Shield)는 연성 및 탄성이 있는(resilient and soft) 재질(예: Thermoplastic Elastomer, Polyurethane, Silicone, Rubber 등)로 이루어지는 것이 바람직하다.On the other hand, the tubular member of the cannula is made of a rigid plastic material (for example, plastic such as PC, PP, ABS, etc.), and the shield is made of a flexible and soft material (eg, a plastic). Thermoplastic Elastomer, Polyurethane, Silicone, Rubber, etc.) is preferable.
상기와 같은 구성에 의하여 본 발명에 따른 흉강용 트로카는 흉부와 같이 뼈 사이에 트로카가 삽입될 경우, 환자의 고통을 줄일 수 있는 장점이 있다.By the above configuration, the thoracic trocar according to the present invention has an advantage of reducing pain of the patient when the trocar is inserted between bones such as the chest.
도 1은 본 고안의 일 실시예에 따른 흉강용 트로카의 결합 사시도1 is a perspective view of a combined trocar for thoracic cavity according to an embodiment of the present invention
도 2는 본 고안의 일 실시예에 따른 흉강용 트로카의 구성들이 결합된 모습Figure 2 is a combination of the configuration of the thoracic trocar according to an embodiment of the present invention
도 3은 본 고안의 일 실시예에 따른 흉강용 트로카의 투관침의 모습3 is a view of the trocar of the thoracic trocar according to an embodiment of the present invention
도 4는 본 고안의 일 실시예에 따른 흉강용 트로카의 캐뉼러의 모습4 is a view of the cannula of the thoracic trocar according to an embodiment of the present invention
도 5는 본 고안의 일 실시예에 따른 흉강용 트로카의 쉴드의 모습5 is a view of the shield of the thoracic trocar according to an embodiment of the present invention
도 6은 본 고안의 일 실시예에 따른 흉강용 트로카의 덮개의 모습6 is a view of the cover of the thoracic trocar according to an embodiment of the present invention
하기 설명은 본 고안의 실시예에 대한 기본적인 이해를 제공하기 위해서 하나 이상의 실시예들의 간략화된 설명을 제공한다. 본 섹션은 모든 가능한 실시예들에 대한 포괄적인 개요는 아니며, 모든 엘리먼트들 중 핵심 엘리먼트를 식별하거나, 모든 실시예의 범위를 커버하고자 할 의도도 아니다. 그 유일한 목적은 후에 제시되는 상세한 설명에 대한 도입부로서 간략화된 형태로 하나 이상의 실시예들의 개념을 제공하기 위함이다.The following description provides a simplified description of one or more embodiments to provide a basic understanding of embodiments of the present invention. This section is not intended to be a comprehensive overview of all possible embodiments, nor is it intended to identify key elements of all elements or to cover the scope of all embodiments. Its sole purpose is to present some concepts of one or more embodiments in a simplified form as a prelude to the more detailed description that is presented later.
본 고안의 일 실시예에 따른 흉강용 트로카는, 투관침(10); 캐뉼러(20); 쉴드(30); 및 덮개(40)를 포함한다.Thoracic trocar according to an embodiment of the present invention, trocar 10; Cannula 20; Shield 30; And a cover 40.
도 1은 본 고안의 일 실시예에 따른 흉강용 트로카의 결합 사시도를 도시하고, 도 2는 본 고안의 일 실시예에 따른 흉강용 트로카의 구성들이 결합된 모습을 도시한다.1 shows a perspective view of a combined thoracic trocar according to an embodiment of the present invention, Figure 2 shows a combination of the components of the thoracic trocar according to an embodiment of the present invention.
이하에서는 각각의 구성에 대해 상세하게 설명하도록 하겠다.Hereinafter, each configuration will be described in detail.
도 3은 본 고안의 일 실시예에 따른 흉강용 트로카의 투관침(10)의 모습을 도시한다. 투관침(10)은 도 3에서 보는 것처럼, 상부(14)와 하부(12)로 나뉠 수 있다. 하부(12)는 긴 원기둥 형상의 부재이고, 하부(12)의 일 단부는 상부(14)와 맞닿는다.Figure 3 shows the appearance of the trocar 10 of the thoracic trocar according to an embodiment of the present invention. The trocar 10 may be divided into an upper portion 14 and a lower portion 12, as shown in FIG. The lower part 12 is a long cylindrical member, and one end of the lower part 12 abuts the upper part 14.
상부(14)는 하부의 원기둥의 원주보다 큰 크기를 갖는 부재로서, 원통형일 수도 있고, 그렇지 아니할 수도 있으며, 다만 하부의 원기둥의 원주면 전체보다 지름 방향으로 큰 크기를 갖는 부재이면 된다. 이와 같이 상부가 하부보다 지름 방향으로 더 큼으로써 캐뉼러(20)가 투관침(10)에 삽입될 때 상부에 걸리는 깊이까지 정확히 삽입될 수 있게 된다.The upper portion 14 is a member having a size larger than the circumference of the lower cylinder, and may or may not be cylindrical, but may be a member having a size larger in the radial direction than the entire circumferential surface of the lower cylinder. As such, the upper part is larger in the radial direction than the lower part so that the cannula 20 can be accurately inserted to the depth of the upper part when the cannula 20 is inserted into the trocar 10.
한편, 하부(12)의 상부(14)와 맞닿지 않는 끝단(16)은 그 형상이 테이퍼 형상(tapered), 즉 송곳과 같은 형상을 갖는다. 이 부분(16)은 흉부를 직접 뚫는 부분이므로 날카로운 형상을 이루는 것이다.On the other hand, the end portion 16, which is not in contact with the upper portion 14 of the lower portion 12, has a tapered shape, that is, an awl-like shape. This part 16 is a part that directly penetrates the chest to form a sharp shape.
도 4는 본 고안의 일 실시예에 따른 흉강용 트로카의 캐뉼러의 모습을 도시한다. 캐뉼러(20)는 도 4에서 보는 것처럼, 긴 관 형상의 부재이다. 캐뉼러(20)는 투관침(10)의 하부(12)의 원기둥의 길이 방향을 따라서 삽입 가능하다.Figure 4 shows the appearance of the cannula of the thoracic trocar according to an embodiment of the present invention. The cannula 20 is a long tubular member, as shown in FIG. 4. The cannula 20 is insertable along the longitudinal direction of the cylinder of the lower part 12 of the trocar 10.
캐뉼러(20)는 관 형상으로 이루어져 있으며, 관 형상으로 이루어져 있어 그 길이 방향을 따라 관통하는 홀(26)이 형성되어 있다. 캐뉼러(20)는 피부를 관통하여 신체 내부로 삽입되는 부분으로서, 신체 내로 삽입되어 의료기구가 관통 홀(26)을 통해 캐뉼러(20) 안으로 삽입된다.The cannula 20 has a tubular shape, and has a tubular shape, and a hole 26 penetrating along the longitudinal direction thereof is formed. The cannula 20 is inserted into the body through the skin and is inserted into the body so that the medical device is inserted into the cannula 20 through the through hole 26.
캐뉼러(20)는 관 형상의 부재이면 되고, 추가적으로 일 단부에 투관침(10)의 상부(14)와의 단단한 체결을 위해 나사산이 형성되어 있을 수도 있다. 나사산은 캐뉼러(20)의 일 끝단에 형성되어 있으면 되고, 캐뉼러와 일체로 연결된 추가적인 부재(24)에 형성되어 있을 수도 있으며, 이러한 캐뉼러의 일 끝단의 외주면 상에 형성된 나사산은 투관침(10)의 상부(14)의 캐뉼러의 나사산 부분과 맞닿는 부분에 형성된 상보적 나사산과 체결되어 매우 단단한 결합을 이룰 수 있게 된다.The cannula 20 may be a tubular member, and additionally, a thread may be formed at one end to securely fasten the upper portion 14 of the trocar 10. The thread may be formed at one end of the cannula 20, and may be formed on an additional member 24 integrally connected with the cannula. The thread formed on the outer circumferential surface of one end of the cannula may be a trocar 10 It is engaged with the complementary thread formed in the portion that abuts the threaded portion of the cannula of the upper portion 14 of the can) to achieve a very tight coupling.
캐뉼러(20)는 도 4에서 보는 것처럼, 투관침의 하부의 원기둥의 길이 방향을 따라 삽입 가능한 관 형상의 부재 및 상기 관 형상의 부재의 일 끝단에서 관의 크기가 넓어지는 부분으로 나뉠 수 있으며, 캐뉼러가 투관침에 삽입될 때 관의 크기가 넓어지는 부분이 투관침의 상부 쪽을 향하도록 캐뉼러가 투관침에 삽입되게 된다.The cannula 20 may be divided into a tubular member that can be inserted along the longitudinal direction of the cylinder of the lower part of the trocar, and a portion where the size of the tube is widened at one end of the tubular member. When the cannula is inserted into the trocar, the cannula is inserted into the trocar so that the portion of the tube widens toward the upper side of the trocar.
도 5는 본 고안의 일 실시예에 따른 흉강용 트로카의 쉴드(30)의 모습을 도시한다. 쉴드(30)는 연질 탄성 재질이며 관 형상의 캐뉼러(20)의 관의 길이를 따라서 그 주위를 감싸도록 끼워질 수 있는 관 형상의 부재이다. 쉴드(30)는 캐뉼러(20)의 관에 끼워질 수 있도록 길이 방향을 따라서 관통 홀(36)이 형성되어 있다.Figure 5 shows a state of the shield 30 of the thoracic trocar according to an embodiment of the present invention. The shield 30 is a soft elastic material and is a tubular member that can be fitted to wrap around its length along the length of the tube of the tubular cannula 20. Shield 30 is formed with a through hole 36 along the longitudinal direction to be fitted to the tube of the cannula (20).
쉴드(60)는 그 재질이 연질의 탄성 재질로 이루어져 있다. 예를 들면, 이러한 재질로는 실리콘, 천연 고무 등이 있을 수 있다. 따라서, 환자의 흉부 등과 같은 곳에 캐뉼러가 삽입될 때 뼈 등을 직접 건드리지 아니하고, 연질의 탄성 재질 부분이 닿게 되므로, 환자의 고통을 감소시킬 수 있다. 캐뉼러의 관 형상의 부재는 캐뉼러의 관형상의 부재는 강성이 있는 플라스틱 재질(예: PC, PP, ABS 등의 플라스틱)로 만들어지며, 쉴드(Shield)는 연성 및 탄성이 있는(resilient and soft) 재질(예: Thermoplastic Elastomer, Polyurethane, Silicone, Rubber 등)로 이루어진다.The shield 60 is made of a soft elastic material. For example, such a material may be silicone, natural rubber, or the like. Accordingly, when the cannula is inserted in a place such as the chest of the patient, the soft elastic material portion is touched without directly touching the bone or the like, thereby reducing the pain of the patient. The tubular member of the cannula is made of a rigid plastic material (e.g., plastic such as PC, PP, ABS, etc.), and the shield is flexible and resilient. soft) material (eg Thermoplastic Elastomer, Polyurethane, Silicone, Rubber, etc.).
또한, 쉴드 주위에는 나사산 형상부(32)가 형성되어 있어서, 흉부에 삽입될 때 내부로 부드럽게 삽입이 가능하게 된다. 이러한 나사산 형상부(32) 역시 그 재질은 연질의 탄성 재질로서, 실리콘, 천연 고무 등이 이용된다.In addition, a thread-shaped portion 32 is formed around the shield, so that it can be inserted smoothly into the chest when inserted into the chest. The thread-shaped portion 32 is also a soft elastic material, silicon, natural rubber or the like is used.
도 6은 본 고안의 일 실시예에 따른 흉강용 트로카의 덮개의 모습을 도시하고, 이러한 덮개는 투관침 상부(14)의 개방된 윗부분에 끼워질 수 있다.Figure 6 shows the appearance of the cover of the thoracic trocar according to an embodiment of the present invention, such a cover can be fitted to the open upper portion of the trocar top (14).
제시된 실시예들에 대한 설명은 임의의 본 고안의 기술 분야에서 통상의 지식을 가진 자가 본 고안을 이용하거나 또는 실시할 수 있도록 제공된다. 이러한 실시예들에 대한 다양한 변형들은 본 고안의 기술 분야에서 통상의 지식을 가진 자에게 명백할 것이며, 여기에 정의된 일반적인 원리들은 본 고안의 범위를 벗어남이 없이 다른 실시예들에 적용될 수 있다. 그리하여, 본 고안은 여기에 제시된 실시예들로 한정되는 것이 아니라, 여기에 제시된 원리들 및 신규한 특징들과 일관되는 최광의의 범위에서 해석되어야 할 것이다.The description of the presented embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the scope of the present invention. Thus, the present invention should not be limited to the embodiments set forth herein but should be construed in the broadest scope consistent with the principles and novel features set forth herein.
상기와 같은 구성을 갖는 본 발명은 흉부와 같이 뼈 사이에 트로카가 삽입될 경우, 환자의 고통을 줄일 수 있는 유용한 발명이다.The present invention having the configuration as described above is a useful invention that can reduce the pain of the patient when the trocar is inserted between the bone, such as the chest.

Claims (2)

  1. 흉강용 트로카로서,As a thoracic trocar,
    투관침; 캐뉼러; 및 쉴드를 포함하고,trocar; Cannula; And a shield,
    상기 투관침은 상부 및 하부로 나뉘며, 하부는 원기둥 형상의 부재이고, 상부는 하부의 원기둥의 원주보다 큰 크기를 갖는 부재이며, 상부와 맞닿지 않는 하부의 끝단은 테이퍼 형상(tapered)을 가지고,The trocar is divided into upper and lower parts, the lower part is a cylindrical member, the upper part is a member having a size larger than the circumference of the lower cylinder, the lower end that is not in contact with the upper has a tapered shape (tapered),
    상기 캐뉼러는 상기 투관침의 하부의 원기둥의 길이 방향을 따라 삽입 가능한 관 형상의 부재 및 상기 관 형상의 부재의 일 끝단에서 관의 크기가 넓어지는 부분을 포함하며, 상기 관의 크기가 넓어지는 부분이 상기 투관침의 상부 쪽을 향하도록 캐뉼러가 투관침에 삽입되고,The cannula includes a tubular member that can be inserted along the length of the cylinder of the lower portion of the trocar and a portion where the size of the tube is widened at one end of the tubular member, wherein the size of the tube is widened. A cannula is inserted into the trocar so as to face the upper side of the trocar,
    상기 쉴드는 상기 캐뉼러의 관 형상의 캐뉼러의 관의 길이를 따라서 그 주위를 감싸고 있는 관 형상의 부재이며,The shield is a tubular member wrapped around the length of the cannula tubular cannula of the cannula,
    상기 쉴드의 외부에는 나사산이 형성되어 있는 것을 특징으로 하는, A thread is formed on the outside of the shield,
    흉강용 트로카.Thoracic trocar.
  2. 제1항에 있어서,The method of claim 1,
    상기 캐뉼러의 관 형상의 부재는 강성이 있는 플라스틱 재질(예: PC, PP, ABS 등의 플라스틱)로 만들어지며, 쉴드(Shield)는 연성 및 탄성이 있는(resilient and soft) 재질(예: Thermoplastic Elastomer, Polyurethane, Silicone, Rubber 등)로 이루어진 것을 특징으로 하는,The tubular member of the cannula is made of a rigid plastic material (eg, plastic such as PC, PP, ABS, etc.), and the shield is made of a flexible and soft material (eg, thermoplastic). Elastomer, Polyurethane, Silicone, Rubber, etc.), characterized in that
    흉강용 트로카.Thoracic trocar.
PCT/KR2013/002380 2012-04-06 2013-03-22 Thoracic trocar WO2013151257A1 (en)

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KR102032510B1 (en) 2017-06-22 2019-10-15 (주)써지코어 Medical Trcar
US20220054164A1 (en) * 2018-12-27 2022-02-24 Conmed Corporation Soft-thread cannula and cannula seal assembly
KR102221770B1 (en) 2019-02-07 2021-03-02 서울대학교병원 Device for removal during minimally invasive surgery

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