WO2022071664A1 - Structure de couplage de rétracteur de plaie - Google Patents

Structure de couplage de rétracteur de plaie Download PDF

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Publication number
WO2022071664A1
WO2022071664A1 PCT/KR2021/011370 KR2021011370W WO2022071664A1 WO 2022071664 A1 WO2022071664 A1 WO 2022071664A1 KR 2021011370 W KR2021011370 W KR 2021011370W WO 2022071664 A1 WO2022071664 A1 WO 2022071664A1
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WO
WIPO (PCT)
Prior art keywords
upper ring
film
retractor
outside
support wall
Prior art date
Application number
PCT/KR2021/011370
Other languages
English (en)
Korean (ko)
Inventor
이기환
Original Assignee
주식회사 오렌지메딕스
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 주식회사 오렌지메딕스 filed Critical 주식회사 오렌지메딕스
Publication of WO2022071664A1 publication Critical patent/WO2022071664A1/fr

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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
    • A61B17/02—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
    • A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
    • 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
    • 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
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals

Definitions

  • the present invention relates to a wound retractor used in various surgical fields such as laparotomy, thyroid surgery, orthopedic surgery, and more particularly, to a wound retractor coupling structure provided with an anti-loosening frame of an upper ring and an infection prevention film .
  • the Wound Retractor is used in the surgical field such as laparotomy, thyroid surgery, and orthopedic surgery. It is used to secure space.
  • the wound retractor has been used in the past, and the lower ring of the wound retractor is inserted inside the incision of the body, and the middle sheet is wound around the upper ring from the outside of the incision to increase the degree of expansion and tension. will be regulated
  • This wound retractor has the advantage of securing the surgical field of view by pulling the entire 360-degree wound.
  • the tension to the wound is uniformly applied, there is an advantage in that the damage applied to the wound is small.
  • the wound upper ring may be released when the patient applies force during surgery or procedure.
  • the upper ring is distorted and there is a problem in that the original shape cannot be maintained.
  • the wound retractor coupling structure provided with the anti-loosening frame and the infection prevention film of the upper ring according to the present invention has the following problems.
  • the present invention provides a wound retractor coupling structure, comprising: a hollow retractor in which an upper ring and a lower ring are coupled to both ends of an intermediate seat; and a body portion having a central hole, a support wall extending in an upper direction of the body portion, and an upper ring seating portion disposed inside or outside the support wall so that the upper ring moved upward through the center hole is seated.
  • a wound retractor coupling structure comprising: a hollow retractor in which an upper ring and a lower ring are coupled to both ends of an intermediate seat; and a body portion having a central hole, a support wall extending in an upper direction of the body portion, and an upper ring seating portion disposed inside or outside the support wall so that the upper ring moved upward through the center hole is seated.
  • the upper ring seating portion is provided inside or outside the body portion, and may have a seating end on which the top ring disposed inside or outside the support wall is mounted.
  • the end of the seating end may be provided with a stepped portion protruding upward.
  • the upper ring may be provided in a structure in which a plurality of rings are stacked and bonded.
  • protrusions may be provided on the inside or outside of the support wall at positions corresponding to the spaces formed concavely in the connection portions of the plurality of rings.
  • the wound retractor may further include an anti-infection film for protecting the surrounding body from the mounted surgical site.
  • the anti-loosening frame is provided on the outside of the body portion, and may further have a film coupling portion to which one end of the infection prevention film is coupled.
  • the film coupling part, the film seating part so that an insertion coupling part into which one end of the infection prevention film is inserted is formed between the film seating part protruding from the outside of the body part and the film seating part may have a pressure-adhesive portion protruding from the outside of the body portion while being spaced apart in the upper direction.
  • the film coupling part is formed to protrude on the outside of the body part while being spaced apart from the lower surface of the body in the upper direction so that an insertion coupling part into which one end of the infection prevention film is inserted is formed between the body and the body, It may have a pressure-adhesive part that presses one end of the infection prevention film inserted into the insertion coupling part and adheres to the body.
  • the anti-loosening frame is provided by cutting a portion of the upper end of the support wall so as to secure a space for gripping the upper ring when assembling or separating the sound retractor and the anti-loosening frame. You may have more wealth.
  • the wound retractor coupling structure provided with the anti-loosening frame and the infection prevention film of the upper ring according to the present invention has the following effects.
  • FIG. 1 is a perspective view (a) and a longitudinal cross-sectional view (b) of a wound retractor according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of a wound retractor coupling structure according to an embodiment of the present invention.
  • FIG. 3 is a longitudinal cross-sectional view of FIG. 2 .
  • Figure 4 is a longitudinal cross-sectional view showing the use state of the wound retractor coupling structure according to an embodiment of the present invention.
  • FIG. 5 is a perspective view showing the anti-loosening frame according to an embodiment of the present invention from various angles.
  • FIG. 6 is a longitudinal cross-sectional view of an anti-loosening frame according to an embodiment of the present invention.
  • FIG. 7 is a longitudinal cross-sectional view showing the bonding state of the sound retractor, the anti-loosening frame and the infection prevention film according to an embodiment of the present invention.
  • FIG. 8 is a partially enlarged view of FIG. 7 .
  • FIG. 9 is a partially enlarged view of a longitudinal cross-sectional view showing an infection prevention film according to another embodiment of the present invention.
  • FIG 10 is an exemplary view showing an embodiment in which the upper ring of the sound retractor according to the present invention is disposed on the inside of the support wall of the anti-loosening frame.
  • FIG 11 is an exemplary view showing an embodiment in which the upper ring of the sound retractor according to the present invention is disposed on the outside of the support wall of the anti-loosening frame.
  • FIG. 12 is a longitudinal cross-sectional view showing an anti-loosening frame according to another embodiment of the present invention, and is an exemplary view showing an embodiment in which the upper ring of the sound retractor is disposed on the inside of the supporting wall of the anti-loosening frame.
  • FIG. 13 is a longitudinal cross-sectional view showing an anti-loosening frame according to another embodiment of the present invention, and is an exemplary view showing an embodiment in which the upper ring of the sound retractor is disposed on the outside of the support wall of the anti-loosening frame.
  • the meaning of “comprising,” “having,” “comprising,” embodies a particular characteristic, region, integer, step, operation, element, and/or component, and includes another particular characteristic, region, integer, step. , does not exclude the presence or addition of acts, elements, components and/or groups.
  • FIG. 1 is a perspective view (a) and a longitudinal cross-sectional view (b) of a wound retractor according to an embodiment of the present invention
  • Figure 2 is a perspective view of a wound retractor coupling structure according to an embodiment of the present invention
  • Figure 3 is Fig. 2 is a longitudinal sectional view
  • Fig. 4 is a longitudinal sectional view showing the use state of the wound retractor coupling structure according to an embodiment of the present invention.
  • the sound retractor coupling structure according to the present invention may include a sound retractor 100 and an anti-loosening frame 200 .
  • the sound retractor 100 may be provided in a hollow shape in which an upper ring 110 and a lower ring 130 are coupled to both ends of the intermediate sheet 120 .
  • the sound retractor 100 inserts the lower ring 130 inside the cutout of the body, and winds the middle sheet 120 on the upper ring 110 located outside the cutout, and the degree of enlargement of the cutout and The tension can be adjusted.
  • the sound retractor 100 is advantageous in securing a surgical field of vision by pulling the entire 360-degree incision portion, and the tension applied to the incision portion is uniformly applied, thereby preventing damage to the incision portion.
  • the anti-loosening frame 200 may be disposed on the outside of the cutout to fix and support the upper ring 110 of the sound retractor 100 .
  • FIG. 5 is a perspective view showing the anti-loosening frame according to an embodiment of the present invention from various angles
  • FIG. 6 is a longitudinal cross-sectional view of the anti-loosening frame according to an embodiment of the present invention
  • FIG. 7 is an embodiment of the present invention
  • a longitudinal cross-sectional view showing the bonding state of the sound retractor, the anti-loosening frame, and the infection prevention film according to FIG. 8 is a partially enlarged view of FIG. 7 .
  • the anti-loosening frame 200 may include a body portion 210 , a support wall 220 , and an upper ring seating portion 230 .
  • the body 210 may be provided in an annular shape forming the central hole 211 .
  • the body part 210 may be seated on the surrounding body surface in which the cutout is formed.
  • the support wall 220 may be formed to extend upwardly from the upper surface of the body portion 210 .
  • the upper ring seating part 230 may be disposed inside the support wall 220 facing the central hole 211 , and the upper ring 110 moved upward through the central hole 211 may be seated therein.
  • the upper ring seating part 230 may be formed to protrude inside the body part 210 .
  • the upper ring seating part 230 may be disposed on the outside of the support wall 220 . At this time, the upper ring seating part 230 may be formed to protrude on the outside of the body part 210 (refer to FIGS. 11 and 13).
  • the upper ring seating part 230 may have a seating end 231 on which the upper ring 110 is seated.
  • the seating end 231 may be formed to protrude on the inside or outside of the body 210 , and the upper ring 110 disposed inside or outside the support wall 220 may be seated on the upper surface.
  • a stepped portion 232 may be provided at an end of the seating end 231 .
  • the stepped portion 232 may be formed to protrude upward from the end of the seating end 231 .
  • the stepped portion 232 may suppress separation of the upper ring 110 seated on the seating end 231 in a seated state.
  • Figure 10 is an exemplary view showing an embodiment in which the upper ring of the sound retractor according to the present invention is disposed on the inside of the support wall of the anti-loosening frame
  • Figure 11 is the upper ring of the sound retractor according to the present invention is released It is an exemplary view showing an embodiment disposed on the outside of the support wall of the prevention frame.
  • the upper ring seating part 230 may be implemented in two embodiments.
  • the upper ring seating part 230 of the anti-loosening frame 200 may be disposed inside the support wall 220 facing the central hole 211 .
  • the upper ring 110 of the sound retractor 100 may be seated on the upper ring seating portion 231 disposed inside the support wall 220 .
  • the upper ring 110 moves in a clockwise direction (X direction), that is, in the lower direction of the central hole 211 .
  • load is applied
  • a clockwise moving force is applied to the upper A portion of the upper ring 110
  • a clockwise moving force is also applied to the lower B portion of the upper ring 110 .
  • the clockwise movement of the upper ring 110 can be suppressed.
  • the clockwise movement of the lower portion B of the upper ring 110 by the stepped portion 232 formed at the end of the seating end 231 can be further suppressed. Accordingly, a stable position of the upper ring 110 can be ensured while being seated on the upper ring receiving part 230 .
  • the upper ring seating part 230 of the anti-loosening frame 200 may be disposed on the outside of the support wall 220 opposite to the central hole 211 .
  • the upper ring 110 of the sound retractor 100 may be seated on the upper ring seating portion 231 disposed on the outside of the support wall 220 .
  • the upper ring 110 moves in a clockwise direction (X direction), that is, in the lower direction of the central hole 211 .
  • load is applied
  • a clockwise moving force is applied to the upper A portion of the upper ring 110
  • a clockwise moving force is also applied to the lower B portion of the upper ring 110 .
  • the lower portion B of the upper ring 110 is seated on the upper surface of the seating end 231 of the upper ring seating portion 230, and the upper A portion and the lower B portion of the upper ring 110 support wall 220. Since it is supported on the clockwise movement of the upper ring 110 can be suppressed. Moreover, the clockwise movement of the lower portion B of the upper ring 110 by the stepped portion 232 formed at the end of the upper ring seating end 231 can be further suppressed. Accordingly, a stable position of the upper ring 110 can be ensured while being seated on the upper ring seating part 230 .
  • the upper ring 110 of the sound retractor 100 is provided in an annular shape as a whole. This is because the annular shape distributes the tension of the incision most evenly.
  • the shape of the upper ring 110 itself is not significantly limited.
  • the upper ring 110 may be provided in a structure in which a plurality of rings are stacked in an upper direction.
  • each ring may have a circular cross-sectional shape.
  • the plurality of rings may be individually manufactured and then coupled through a separate fastening member, or may be integrally coupled to each other.
  • a concave space may be provided at a portion where each ring is connected.
  • the recessed space of the upper ring 110 may perform a function of suppressing the loosening of the intermediate sheet 120 wound around the upper ring 110 .
  • a protrusion 221 is provided on the inside or outside of the support wall 220 at a position corresponding to the space formed concavely in the connection portion of each ring.
  • the upper ring 110 in which a plurality of rings are stacked is seated on the upper ring receiving portion 230 , and the protrusion 221 may be inserted into the space formed concavely in the connection portion of each ring.
  • the protrusion 221 is inserted into the space formed concave in the connection portion of each ring and comes into contact with the intermediate sheet 120 wound around the upper ring 110, so the intermediate sheet wound on the upper ring 110 ( 120) can also be suppressed.
  • the cross-sectional shape of the upper ring 110 may have a rectangular cross-sectional shape, as in FIGS. 10 (a) and 11 (a).
  • FIGS. 10 and 11 are only simplified views of the anti-loosening frame 200 to explain the action of the upper ring 110 installed on the inside or the outside with the support wall 220 interposed therebetween, and FIG. 10 And the anti-loosening frame 200 shown in Fig. 11 may be configured in the same way as the anti-loosening frame 200 shown in Figs. 1 to 8, and the anti-loosening frame 200 shown in Figs. 12 and 13 to be described later. ) can be configured in the same way as
  • the anti-loosening frame 200 may have a cutout 250 provided by cutting a part of the rim, that is, a part of the upper end of the support wall 220 .
  • the cutout 250 provides a space for gripping or handling the upper ring 110 using the user's hand or an assembly jig. can
  • the upper ring 110 can be easily seated on the upper ring receiving part 230 or the upper ring 110 can be easily separated from the upper ring receiving part 230 .
  • the anti-loosening frame 200 may have a reinforcing part 260 formed in an area opposite to the upper ring 110 with the support wall 220 interposed therebetween.
  • the reinforcing part 260 may be formed on the opposite side of the support wall 220 on which the upper ring 110 is disposed.
  • the reinforcing part 260 may be provided to thicken the cross-sectional shape of the support wall 220 toward the lower direction.
  • the reinforcing part 260 may be provided to connect the support wall 220 and the film coupling part 240 to reinforce the rigidity of the loosening prevention frame 200 .
  • the wound retractor coupling structure according to the present invention may further include an infection prevention film (300).
  • the infection prevention film 300 is disposed on the outside of the body portion 210, and can protect the surrounding body from the surgical site on which the wound retractor 100 is mounted.
  • the anti-infection film 300 may have a coupling end 301 coupled to the anti-loosening frame 200 at an inner end thereof.
  • the coupling end 301 may have a thickness greater than the thickness of the infection prevention film 300 , and may be formed in a shape corresponding to the film insertion part 242 of the film coupling part 240 .
  • the lower surface of the coupling end 301 provided at the inner end of the infection prevention film 300 may be formed to be stepped. That is, one side of the coupling end 301 with the step portion therebetween may be coupled to the infection prevention film 300 , and the other side may be inserted into the film insertion unit 242 .
  • Such a step portion may be provided with a thickness corresponding to the thickness of the film mounting portion 243 . Accordingly, in a state where one end of the coupling end 301 is coupled to the film insertion unit 242 , the lower surface of the infection prevention film 300 and the lower surface of the film seating unit 243 can maintain the same horizontal plane, and the surface of the body can be uniformly adhered to.
  • the infection prevention film 300 may be provided with a rim ring 310 on the outside.
  • the rim ring 310 may have elasticity, and the rim ring 310 having elasticity may perform a function of maintaining the infection prevention film 300 in a widely unfolded state.
  • the infection prevention film 300 may be made of a variety of known materials.
  • the anti-infection film 300 may be a film having an adhesiveness, and a film having no adhesiveness may also be used. If there is adhesiveness, the unfolded state of the film can be maintained more naturally due to the adhesiveness of the film.
  • the position where the edge ring 310 is disposed can be maintained by the elasticity or weight of the edge ring 310, so the infection prevention film 300 ), even if there is no adhesiveness, the widely unfolded state can be maintained.
  • the infection prevention film 300 has adhesiveness and the edge ring 310 is provided together is also possible.
  • the anti-loosening frame 200 is provided on the outside of the body portion 210 to further have a film coupling portion 240 to which one end of the infection prevention film 300 is coupled.
  • the film coupling unit 240 may include a film mounting unit 243 and a pressure bonding unit 241 .
  • the film seating part 243 may be formed to protrude on the outside of the body part 210 .
  • the pressure-adhesive part 241 may be formed to protrude on the outside of the body part 210 while being spaced apart from the film seating part 243 in the upper direction.
  • an insertion coupling part 242 into which one end of the infection prevention film 300 is inserted may be formed between the film seating part 243 and the film seating part 243 .
  • a step portion corresponding to the thickness of the film seating portion 243 is provided on the lower surface of the coupling end portion 301 provided at the inner end of the infection prevention film 300 .
  • the infection prevention film 300 can be stably maintained in a state coupled to the loosening prevention frame 200 .
  • the film coupling part 240 shows an example disposed on the outside of the anti-loosening frame 200, and although not shown, When the upper ring 110 is disposed on the outside of the support wall 220 , the film coupling part 240 may be provided below the upper ring seating part 230 .
  • FIG. 12 is a longitudinal cross-sectional view showing an anti-loosening frame according to another embodiment of the present invention, and is an exemplary view showing an embodiment in which the upper ring of the sound retractor is disposed on the inside of the supporting wall of the anti-loosening frame.
  • the anti-loosening frame 200 according to the present embodiment has some differences from the above-described embodiment in the film coupling unit 240 .
  • the film coupling unit 240 may have a pressure-adhesive portion 241 protruding from the lower surface of the body portion 210 in the upper direction while being spaced apart from the body portion 210 .
  • An insertion coupling part 242 into which the coupling end 301 of the infection prevention film 300 is inserted may be formed between the body surface and the body surface through the pressure-adhesive part 241 .
  • the pressure-adhesive part 241 may press the coupling end 301 of the infection prevention film 300 inserted into the insertion coupling part 242 to be in close contact with the body.
  • FIG. 13 is a longitudinal cross-sectional view showing an anti-loosening frame according to another embodiment of the present invention, and is an exemplary view showing an embodiment in which the upper ring of the sound retractor is disposed on the outside of the support wall of the anti-loosening frame.
  • the anti-loosening frame 200 may have the same overall configuration as the anti-loosing frame 200 described in FIG. 12 .
  • the upper ring 110 of the sound retractor 100 is disposed on the outside of the support wall 220 of the anti-loosening frame 200, the upper ring 110 with the support wall 220 interposed therebetween There is a difference in that the reinforcing part 260 is additionally formed in the inner region of the body part 210 to be used.
  • This reinforcing part 260 not only increases the rigidity of the anti-loosening frame 200 , but is also provided on the inside or outside of the support wall 220 and an upper ring acting in the direction of the central hole 211 with respect to the support wall 220 . (110) load can be supported stably.
  • the present invention can stably maintain the position and appropriate tension of the wound retractor through an anti-loosening frame coupled with the upper ring of the wound retractor, so that laparotomy, thyroid surgery, orthopedic surgery can be easily performed, etc. It can be widely used in the surgical field.

Abstract

L'invention concerne une structure de couplage de rétracteur de plaie comprenant : un cadre anti-desserrage d'un anneau supérieur ; et un film anti-infectieux. La structure de couplage de rétracteur de plaie est caractérisée en ce qu'elle comprend : un rétracteur de plaie creux (100) dans lequel l'anneau supérieur (110) et un anneau inférieur (130) sont couplés aux deux extrémités d'une feuille intermédiaire (120) ; et un cadre anti-desserrage (200) comprenant une partie corps (210), qui a un trou central (211), une paroi de support (220), qui s'étend dans la direction vers le haut de la partie corps (210), et une partie repos d'anneau supérieur (230), qui est disposée sur l'intérieur ou l'extérieur de la paroi de support (220) de telle sorte que l'anneau supérieur (110) qui s'est déplacé à travers le trou central (211) repose sur celle-ci. La présente invention a pour effet que l'anneau supérieur du rétracteur de plaie repose de façon stable en raison de la configuration de la paroi de support et de la partie repos de l'anneau supérieur. La présente invention concerne également le film anti-infectieux pour isoler des sites chirurgicaux du tissu proche, et a ainsi pour effet de prévenir une infection.
PCT/KR2021/011370 2020-09-29 2021-08-25 Structure de couplage de rétracteur de plaie WO2022071664A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2020-0126527 2020-09-29
KR1020200126527A KR102617551B1 (ko) 2020-09-29 2020-09-29 상부링의 풀림방지 프레임 및 감염방지필름이 구비된 운드 리트랙터 결합구조체

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WO2022071664A1 true WO2022071664A1 (fr) 2022-04-07

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008173467A (ja) * 2006-12-22 2008-07-31 Hakko Co Ltd センチネルリンパ節生検用開創器具
JP4512768B2 (ja) * 2006-11-06 2010-07-28 学校法人 久留米大学 ドレープ付き開瞼器
JP2010240405A (ja) * 2009-03-31 2010-10-28 Ethicon Endo Surgery Inc 体腔内へのアクセスを提供するための装置及び方法
JP3186244U (ja) * 2013-07-12 2013-09-26 尚義 菅 手術用レトラクター
KR20180023525A (ko) * 2016-08-26 2018-03-07 (주) 써지코어 복강경 수술용 운드 리트랙터

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1942812B1 (fr) * 2005-10-14 2011-10-05 Applied Medical Resources Corporation Retracteur de plaie pourvu d'un anneau fendu
KR102243157B1 (ko) 2018-12-03 2021-04-22 주식회사 비제이 운드 리트렉터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4512768B2 (ja) * 2006-11-06 2010-07-28 学校法人 久留米大学 ドレープ付き開瞼器
JP2008173467A (ja) * 2006-12-22 2008-07-31 Hakko Co Ltd センチネルリンパ節生検用開創器具
JP2010240405A (ja) * 2009-03-31 2010-10-28 Ethicon Endo Surgery Inc 体腔内へのアクセスを提供するための装置及び方法
JP3186244U (ja) * 2013-07-12 2013-09-26 尚義 菅 手術用レトラクター
KR20180023525A (ko) * 2016-08-26 2018-03-07 (주) 써지코어 복강경 수술용 운드 리트랙터

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KR102617551B1 (ko) 2023-12-22

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