WO2011037383A2 - 재봉 기능을 갖는 봉합 기구 - Google Patents
재봉 기능을 갖는 봉합 기구 Download PDFInfo
- Publication number
- WO2011037383A2 WO2011037383A2 PCT/KR2010/006448 KR2010006448W WO2011037383A2 WO 2011037383 A2 WO2011037383 A2 WO 2011037383A2 KR 2010006448 W KR2010006448 W KR 2010006448W WO 2011037383 A2 WO2011037383 A2 WO 2011037383A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suture
- surgical needle
- present
- support
- needle
- Prior art date
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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, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/0057—Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0469—Suturing instruments for use in minimally invasive surgery, e.g. endoscopic surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
- B21G1/08—Making needles used for performing operations of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B2017/06057—Double-armed sutures, i.e. sutures having a needle attached to each end
Definitions
- the present invention relates to a closure mechanism having a sewing function. More specifically, the present invention relates to a suture apparatus that enables a practitioner such as a doctor to suture human tissues or other animal tissues accurately, quickly and easily.
- suturing tissues such as the curtain, muscle, fascia, skin, and blood vessels.
- the main concern in this suture process is to shorten the time required to suture, minimizing the operator's fatigue and the anesthesia time of the patient (or the animal subject to the surgery), promoting the healing of the patient's wound, Minimizing the loss of blood can be said.
- cosmetically, minimizing scarring from surgery may also be an important concern.
- Conventional suture has been mainly performed by the operator manually sewing the tissue to be sutured using a surgical needle and a suture.
- the operation time may be long in some cases. This may increase the fatigue of the operator, increase the anesthesia time of the patient, and cause problems in blood management and the like.
- the degree of scarring due to the suture may depend on how uniform and dense the needle stitches, there is a side that is difficult to ensure the uniformity and density of the needle stitches by manual suture.
- the present applicant has invented a novel surgical suture instrument in order to solve the above problems of the prior art, and has already received the decision of granting the registration by applying for a Korean Patent Application No. 2009-37128 (The specification of the application is to be considered as incorporated herein in its entirety).
- the present applicant proposes another novel suture device based on the technical concept of the surgical suture device, but having a simpler configuration as follows.
- the present invention aims to solve all the problems of the prior art as described above.
- a suture mechanism is provided that allows the suture to be precisely and easily performed.
- the sealing mechanism which can shorten sealing time is provided.
- a closure mechanism that can minimize the scar due to closure.
- a closure mechanism that, in combination with an external device such as a surgical robot system having a robot arm, performs an automated closure.
- FIG. 1 is a view showing the overall configuration of a closure mechanism according to an embodiment of the present invention.
- FIG. 2 is a view showing the configuration of the suture according to an embodiment of the present invention.
- FIG 3 is a view showing a suture structure of the suture by the suture mechanism according to an embodiment of the present invention.
- FIG. 4 is a view showing a suture process by a suture apparatus according to an embodiment of the present invention.
- FIG. 5 is a view showing the configuration of the suture according to another embodiment of the present invention.
- FIG. 6 is a view showing a suture in which a rotating part is adopted.
- FIG. 7 is a view showing the configuration of a closure mechanism according to another embodiment of the present invention.
- FIG. 8 is a view showing a suture structure of the suture by the suture mechanism according to another embodiment of the present invention.
- FIG. 9 is a conceptual diagram of sutures according to an embodiment corresponding to FIG. 8.
- FIG. 10 is a schematic view of the suture according to the embodiment corresponding to FIG. 8.
- a suture apparatus including a support, a surgical needle disposed with respect to the support, and a needle drive for receiving the surgical needle and operating the surgical needle, wherein the surgical needle Is operated with respect to the support, and in accordance with the operation, a suture from the surgical needle forms a plurality of rings, the plurality of rings being provided with a suture device to be connected in sequence.
- the overall configuration and detail components of the suture instrument according to the present invention may be similar in many respects to the overall configuration and detail components of the surgical suture instrument described in the above-mentioned Korean Patent Application No. 2009-37128. . Therefore, hereinafter, description will be made mainly on components that are characteristic of the structure of the sealing device according to the present invention and components that need re-explanation or additional explanation.
- FIG. 1 is a view showing the overall configuration of a closure mechanism according to an embodiment of the present invention.
- the sealing mechanism may be configured to include a coupling part 10, a shaft part 20, an operation part 30, and a sealing part 40.
- the engaging portion 10 is coupled to an external device (not shown), such as a surgical robot system or other surgical system with a suture device having a robotic arm, from which a predetermined control signal or It may perform a function to receive a predetermined control operation (for example, mechanical control operation).
- an external device such as a surgical robot system or other surgical system with a suture device having a robotic arm, from which a predetermined control signal or It may perform a function to receive a predetermined control operation (for example, mechanical control operation).
- the shaft part 20 is a component connecting the coupling part 10 and the suture part 40, and the suture mechanism is jointed through the joint component such as the operation part 30. It may include one or more shafts to allow movement.
- the shaft may include a wire and other control parts for controlling the seal 40 as described later.
- the shaft portion 20 may perform a function of physically supporting the sealing mechanism.
- the operating portion 30 is disposed between or at the ends of the one or more shafts of the shaft portion 20 to enable the suture mechanism to perform joint movement, and a predetermined function from an external device.
- the position and direction of the seal 40 may be determined according to a control signal or a predetermined control operation.
- Such an operation unit 30 may cause the shaft of the sealing unit 40 and / or the shaft unit 20 to operate in the pitch direction and / or yaw direction as necessary.
- the principle of construction of the joints of various known surgical instruments may be employed.
- suture portion 40 according to various embodiments of the present invention will be described in detail.
- FIG. 2 is a view showing the configuration of the suture portion 40 according to an embodiment of the present invention.
- the suture 40 is a component that performs a function of suturing tissue, and includes a support (or lower support) 42, a surgical needle 44, and a surgical needle 44. ) And a needle driver 46 for operating the surgical needle 44 in a direction substantially perpendicular to the support 42.
- the support 42 of the suture portion 40 according to the present invention is mainly described as an example of the lower support 42, the support 42 facing the surgical needle 44 It will be appreciated that) may be disposed above or on the other side of the surgical needle 44.
- the surgical needle 44 according to the present invention is described as being operated in a direction substantially perpendicular to the support 42, but suture is performed according to the technical principles of the present invention. As far as possible, it should be noted that the scope of the present invention should not be limited by the angle of the surgical needle with respect to the support.
- FIG 3 is a view showing a suture structure of the suture by a suture device according to an embodiment of the present invention
- Figure 4 is a view showing a suture process by a suture device according to an embodiment of the present invention.
- the closure mechanism according to the present invention is one of the features of the construction that basically does not require a suture supplied from the support 42. That is, the suture portion 40 according to an embodiment of the present invention, the suture is hanging on the surgical needle 44 in the process of operating the surgical needle 44 up and down by the drive of the needle drive 46. Can be sutured by letting entangle itself. More specifically, the surgical needle 44 penetrates through the tissue to be sutured during the up-and-down movement (movement) of one cycle and connects the rings r1, r2, and r3 of the suture s to the opposite side. It may be formed, and the ring (r1, r2, r3) may be sequentially connected as the ring (r2, r3) is inserted into the ring (r1, r2) formed first, respectively.
- Surgical needle 44 may form a first ring (r1) through the tissue while doing the first vertical motion 1. Thereafter, the needle driver 46 may move the surgical needle 44 by a predetermined distance in the direction of suture (that is, in the direction of the horizontal arrow shown in FIG. 4). Next, the surgical needle 44 while the second up and down operation 2 forms a second ring (r2), the second ring (r2) can be inserted into the first ring (r1). Thereafter, the needle driver 46 may move the surgical needle 44 again by a predetermined distance in the direction of suture. Thereafter, the surgical needle 44 may be inserted into the second ring r2 while the third ring r3 is formed while performing the third vertical motion 3. As such, the suture may be performed by sutures s continuously forming the rings r1, r2, r3 and connecting the rings r1, r2, r3 sequentially.
- the support 42 may be formed with a gripping portion (g) is applied to the suture (s) approaching the support 42 together with the surgical needle 44.
- the locking portion g is fixed by hooking a portion of the suture s in the process of moving away from the support 42 after the surgical needle 44 approaches the support 42, thereby preventing the operation of the surgical needle 44.
- the rings r1, r2 and r3 may be formed.
- the engaging portion (g) as described above may be formed on the support 42 as needed, a number of the gap may be freely determined as needed.
- the engaging portion g as described above is transported in the direction in which the suture is made together with the support 42 (for example, in the direction of the horizontal arrow shown in FIG. 4) so that the rings r1, r2, and r3 smoothly move. Can be formed.
- the suture may be made only with the suture s supplied from the surgical needle 44 without the suture supplied from the support 42.
- the suture state according to this suture can be basically maintained by the friction force between the suture (s) and the tissue, but knot forming means may be further used so that the last formed ring can serve as a knot.
- the overall configuration of the sealing mechanism can be simplified.
- the fabrication of the closure mechanism can be facilitated and the manufacturing cost can be reduced.
- the suture unit 40 may operate the needle driver 46 according to a control signal or a control operation from an external device.
- the surgical needle 44 accommodated in the needle drive 46 may be operated in a direction substantially perpendicular to the support 42.
- the needle drive 46 and / or the support 42 may be driven in the direction of suture (in this regard, if necessary, the shaft of the shaft 20
- the needle drive 46 and / or the support 42 may be configured to operate accordingly when the body length is elongated or retracted).
- the sealing mechanism as shown in Figure 2 includes a coupling portion 10, the shaft portion 20 and the operation portion 30, but the suture portion of a somewhat modified form 40 may be configured to be included.
- 5 is a view showing the configuration of the suture portion 40 according to another embodiment of the present invention.
- the suture part 40 receives the upper support 41 and the lower support 42, the surgical needle 44, and the surgical needle 44, which face each other, and the surgical needle 44. It can be seen that it may include a needle drive 46 for performing the function of operating in a direction substantially orthogonal to the lower support (42).
- the needle driver 46 may be disposed on the upper support 41, and may be configured to move within a predetermined range along the rail 47 provided in the upper support 41.
- FIG. 6 is the figure which shows the sealing part 40 in which the rotating part 50 is employ
- the suture part 40 may be coupled to a predetermined rotation part 50.
- the rotation unit 50 may allow the suture unit 40 to rotate within a predetermined angle range.
- the closure device according to the present invention may have a so-called detachable configuration. That is, the sealing mechanism includes a first coupling portion 10a, a second coupling portion 10b, a first shaft portion 20a, a second shaft portion 20b, a first operating portion 30a, and a second operating portion ( 30b), the lower support 42 and the needle drive 46 for receiving the surgical needle 44 may be configured.
- the upper portion of the suture portion 40 including the surgical needle 44 and the needle drive portion 46 is the first coupling portion 10a, the first shaft portion 20a as shown in FIG. )
- the first operating part 30a may form a separate module of the sealing device, and a lower support 42 corresponding to the lower part of the sealing part 40 may be formed as shown in FIG. 7.
- the first coupling portion 10a, the first shaft portion 20a, and the first operation portion 30a may be formed from the second coupling portion 10b, the second shaft portion 20b, and the second operation portion 30b. It may be separate.
- the closure device of the detachable configuration according to the present embodiment can allow each module to access the tissue to be sutured in various directions.
- the joint motion in each module can be more freely, each module can be controlled by a different external device, and may be useful when suturing tubular organs or performing sutures using a surgical port. Can be.
- Figure 8 is a view showing a suture structure of the suture by the suture mechanism according to another embodiment of the present invention
- Figure 9 is a conceptual diagram of the suture according to the embodiment corresponding to FIG.
- the closure device according to the present embodiment may basically have a configuration similar to the closure device shown in FIG. 2. That is, the suture apparatus according to the present embodiment also does not need a suture supplied from a support (not shown), and the suture hanging on the surgical needle (not shown) (preferably at its tip) is entangled by itself. It can be characterized by its construction to perform the suture by making it lose.
- the surgical needle may be of a curved shape similar to a needle for a conventional manual surgery.
- the support may also be of a curved form, such as for two penetrations of the tissue of the surgical needle, described below (in this regard, see FIG. 10 further).
- the surgical needle (a tip) is distinguished from the suture portion s1 of the upper surface of the tissue by a suture hanging in the process of penetrating the tissue to be sutured twice from top to bottom and again from bottom to top.
- the suture portion p1 (ie, 1 portion of FIG. 9) of the lower surface of the tissue may be formed (in FIGS. 8 and 9, the suture portion indicated by the solid line is the upper surface of the tissue, and the suture portion indicated by the dotted line is the lower surface of the tissue). Will be).
- a predetermined clasp (not shown) is operated so that after the surgical needle forms the suture portion p1 (the suture portion p1 is eventually reduced in accordance with the retraction of the surgical needle as described below).
- a small ring of suture biting on the tissue may be pulled to form a ring r11 (that is, a portion 2 in FIG. 9) composed of the suture portions s2 and s3.
- the surgical needle then retracts from above to below and again from below (in this process, part 3 of FIG. 9 is formed), and then the suture part s4 (ie, part 4 of FIG. 9).
- a needle drive (not shown) may move the surgical needle by a predetermined distance in the direction of suture (ie, from right to left in FIG. 8).
- suture portion s4 may be formed above a portion of ring r11 when referenced to tissue.
- the suture portion p2 i.e., part 5 in FIG. 9 of the lower surface of the tissue is formed, and the suture portions s5 and s6 are formed.
- a ring r22 that is, part 6 in FIG. 9) is formed, and a suture part s7 (that is, part 8 in FIG. 9) may be formed.
- the suture portion s7 is formed above a portion of the ring r11 or a portion of the ring r22 when the tissue is referenced to indirectly connect the ring r11 and the ring r22. have.
- suture by sequential connection of the suture ring from the surgical needle becomes possible.
- sutures may be useful for suturing multiple layers of tissue.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Cardiology (AREA)
- Mechanical Engineering (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Robotics (AREA)
- Surgical Instruments (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Description
Claims (8)
- 봉합 기구로서,지지대,상기 지지대에 대하여 배치되는 수술용 바늘, 및상기 수술용 바늘을 수용하고 상기 수술용 바늘을 동작시키기 위한 바늘 구동부를 포함하고,상기 수술용 바늘은 상기 지지대에 대하여 동작하고,상기 동작에 따라, 상기 수술용 바늘로부터의 봉합사가 다수의 고리를 형성하며,상기 다수의 고리는 순차적으로 연결되는봉합 기구.
- 제1항에 있어서,상기 지지대는 적어도 하나의 걸림부를 포함하는 봉합 기구.
- 제1항에 있어서,상기 수술용 바늘은 상기 지지대와 실질적으로 직교하는 방향으로 동작하는 봉합 기구.
- 제1항에 있어서,상기 다수의 고리는 하나의 고리가 그 인접 고리에 삽입되는 방식으로 연결되는 봉합 기구.
- 제1항에 있어서,상기 바늘 구동부나 상기 지지대는 봉합의 대상이 되는 조직에 대하여 수평 방향으로 이동하는 봉합 기구.
- 제1항에 있어서,상기 수술용 바늘은 굽은 형태인 봉합 기구.
- 제1항에 있어서,적어도 하나의 걸림쇠를 더 포함하는 봉합 기구.
- 제1항에 있어서,상기 다수의 고리는 하나의 고리가 그 인접 고리와 간접적으로 연결되는 방식으로 연결되는 봉합 기구.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800522406A CN102686166A (zh) | 2009-09-22 | 2010-09-17 | 具有缝合功能的缝合装置 |
KR1020187008624A KR20180035931A (ko) | 2009-09-22 | 2010-09-17 | 재봉 기능을 갖는 봉합 기구 |
EP20100819024 EP2481357A4 (en) | 2009-09-22 | 2010-09-17 | SUTURE APPARATUS HAVING SEWING FUNCTION |
KR1020177011061A KR102019218B1 (ko) | 2009-09-22 | 2010-09-17 | 재봉 기능을 갖는 봉합 기구 |
US13/497,666 US20120221023A1 (en) | 2009-09-22 | 2010-09-17 | Suture apparatus having sewing function |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2009-0089798 | 2009-09-22 | ||
KR20090089798 | 2009-09-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011037383A2 true WO2011037383A2 (ko) | 2011-03-31 |
WO2011037383A3 WO2011037383A3 (ko) | 2011-09-01 |
Family
ID=43796370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2010/006448 WO2011037383A2 (ko) | 2009-09-22 | 2010-09-17 | 재봉 기능을 갖는 봉합 기구 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20120221023A1 (ko) |
EP (1) | EP2481357A4 (ko) |
KR (3) | KR20180035931A (ko) |
CN (1) | CN102686166A (ko) |
WO (1) | WO2011037383A2 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090037127A (ko) | 2007-10-11 | 2009-04-15 | 주식회사 삼보에스엔에스 | 인골을 이용한 인조 사리 제조방법 |
KR20090037128A (ko) | 2007-10-11 | 2009-04-15 | 현대제철 주식회사 | 평행 채널 및 그의 제조방법 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR811463A (ko) * | 1935-09-13 | 1937-04-15 | ||
US2580964A (en) * | 1948-01-23 | 1952-01-01 | Maja L Skaller | Surgical suturing device |
US5411481A (en) * | 1992-04-08 | 1995-05-02 | American Cyanamid Co. | Surgical purse string suturing instrument and method |
US5665109A (en) * | 1994-12-29 | 1997-09-09 | Yoon; Inbae | Methods and apparatus for suturing tissue |
KR200228438Y1 (ko) * | 2001-01-05 | 2001-06-15 | 의료법인 삼성제일의료재단 삼성제일병원 | 복강경 수술용 봉합기구 |
WO2003047437A1 (en) * | 2001-12-04 | 2003-06-12 | The Children's Medical Center Corporation | Tissue repair |
US6921408B2 (en) * | 2002-03-12 | 2005-07-26 | Lsi Solutions, Inc. | Apparatus for sewing tissue and method of use |
GB0422714D0 (en) * | 2004-10-13 | 2004-11-17 | Griffith John D | Laparoscopic sewing device |
DE602006019016D1 (de) * | 2005-03-30 | 2011-02-03 | Arthrex Inc | Hochfeste kettenartige Naht mit Schlaufen zur knotenlosen Befestigung |
ES2310964B1 (es) * | 2007-01-25 | 2009-12-18 | Pedro Guillen Garcia | Instrumento quirurgico de sutura del sistema musculo esqueletico y tecnica quirurgica que emplea el mismo. |
US20090223426A1 (en) * | 2008-03-04 | 2009-09-10 | Harry Shonteff | Micro sewing device |
KR20090009407U (ko) * | 2008-03-14 | 2009-09-17 | 김대곤 | 복강경 수술용 봉합기구 |
-
2010
- 2010-09-17 US US13/497,666 patent/US20120221023A1/en not_active Abandoned
- 2010-09-17 KR KR1020187008624A patent/KR20180035931A/ko not_active Application Discontinuation
- 2010-09-17 KR KR1020177011061A patent/KR102019218B1/ko active IP Right Grant
- 2010-09-17 EP EP20100819024 patent/EP2481357A4/en not_active Withdrawn
- 2010-09-17 KR KR1020127008698A patent/KR20120069709A/ko active Application Filing
- 2010-09-17 WO PCT/KR2010/006448 patent/WO2011037383A2/ko active Application Filing
- 2010-09-17 CN CN2010800522406A patent/CN102686166A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20090037127A (ko) | 2007-10-11 | 2009-04-15 | 주식회사 삼보에스엔에스 | 인골을 이용한 인조 사리 제조방법 |
KR20090037128A (ko) | 2007-10-11 | 2009-04-15 | 현대제철 주식회사 | 평행 채널 및 그의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20120069709A (ko) | 2012-06-28 |
KR102019218B1 (ko) | 2019-09-06 |
EP2481357A2 (en) | 2012-08-01 |
KR20170046817A (ko) | 2017-05-02 |
WO2011037383A3 (ko) | 2011-09-01 |
US20120221023A1 (en) | 2012-08-30 |
EP2481357A4 (en) | 2015-04-29 |
KR20180035931A (ko) | 2018-04-06 |
CN102686166A (zh) | 2012-09-19 |
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