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80 beds
Medical Topia Soka
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尼崎南部再生研究室HPより
Invention from downtown for everyone’s daily life
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Single incision laparoscopic surgery
単孔式内視鏡手術
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Conventional laparoscopic surgery
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Single incision laparoscopic surgery
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manipulation angle
ergonomics in single incision endoscopic surgery
Loss of manipulation angle
conflicts
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lack of manipulation angle
discontent
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Make it sustainable
single incision endoscopic surgery
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Manasnayakorn S, Cuschieri A. Surg Endosc 22: 924-929, 2008
Surg Endosc 23: 783-789, 2009
optimal ergonomic layout
manipulation angle 45°to 75°with equal azimuth angles
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Necessity : double bendable forceps
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DraCo®
Duble rainbow Cooperator
Double bendable forceps
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DraCo®Double rainbow Cooperator
Problem of tip rotation
transmit the torque to the end-effector via curved shaft
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• high tensile strength
• superior bending rigidity like shape-memory alloy
beta titanium
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beta titanium tube with slit-patterns
laser-machining
to be more flexible
and to transmit rotation torque
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DraCo® 5th prototype
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DraCo®
6th prototype for clinical trial
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Necessity is
the mother of invention.
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Necessity is
the mother of invention.
Thomas Edison ?
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Necessity is
the mother of invention.
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Discontent is
the first necessity of progress.
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Discontent Necessity
Absence of contentment
dissatisfaction
A restless longing for better
circumstances
A condition in which
something must be supplied
Something required or wanted
Obligation
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Discontent Necessity
Absence of contentment
dissatisfaction
A restless longing for better
circumstances
A condition in which
something must be supplied
Something required or wanted
Obligation
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Discontent Necessity
Productive conversion of idea
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retrieval bag
soft ring attachment for forceps handle
gallbladder model with natural fiber
forceps with gas-spray
expandable wound retractor
operating rectal tube with side window
heat forceps (on going)
box for suture training
box for suture training II
needle forceps with high rigidity
multi-channel port
double bendable forceps (on going)
1993
1994
1995
1995
1997
1998
1999
2008
2009
2009
2009
2013
History of my inventions
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retrieval bag 1993 discontent : enlarge the incision
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soft ring attachment for forceps handle 1994
discontent : numbness in the fingers
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gallbladder model with natural fiber 1995
discontent : sacrifice animals
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forceps with gas-spray 1995
discontent : invisible bleeding point
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expandable wound retractor 1997 discontent : insufficient wound expansion
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operating rectal tube with side window 1998
CO2 insufflation in the intestine
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◼ Ethicon: Harmonic Scalpel
Ultrasonically activated device (USAD)
◼ Olympus: SonoSurg
◼ Autosuture: AutoSonix
Tapered tip
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◆ cavitation
◆ mist / smoke
◆ straight in shape
◆ single use
heat forceps 1999
discontent about the existing hemostatic dissecting devices
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Temperature increase in
heating forceps and others
10 200
100
300
Sec
℃
Ultrasonic coagulator
Monopolar HF
Bipolar Sealer
Heating forceps (2002)
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Heating forceps : latest open version prototypeHeating element made of molybdenum
In vivo, Jan 2002
◼sealing & cutting porcine gastroepiploic artery / 6.5 mm
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Laparoscopic versionHeating forceps : initial endoscopic version
Heating element made of molybdenum
In vivo, Jan 2002
◼ feasibility test in porcine operation
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Current endoscopic version prototype (Feb 2004)
New heating element integrated in the blade
Instead of temperature power (voltage) is controlled
◼ IMA division in porcine operation
New heating element and blade
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box for suture training I 2007 discontent : steep elevation angle
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box for suture training II 2008
discontent : expensive / immobile / layout
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needle forceps with high rigidity 2009
discontent : unavailable / insufficient rigidityBJ needle ®
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development of a 2mm needle instruments
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multi-channel port 2008
discontent : narrow wound expansion / short distance between channels
X Gate®
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BJ needle ® & X Gate®
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Single incision intragastric surgery
2009
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retrieval bag
soft ring attachment for forceps handle
gallbladder model with natural fiber
forceps with gas-spray
expandable wound retractor
operating rectal tube with side window
heat forceps
box for suture training
box for suture training II
needle forceps with high rigidity
multi-channel port
1993
1994
1995
1995
1997
1998
1999
2008
2009
2009
2009
History of my inventions
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retrieval bag / enlarge the incision
soft handle ring / numbness in the finger
gallbladder model / sacrifice the animal
forceps with gas-spray / invisible bleeder
expandable wound retractor / insufficient opening
new op. rectal tube / CO2 insufflation in intestine
heat forceps / cavitation /mist / straight / etc
box for suture training / steep elevation angle
box for suture training II / free layout / immobile
needle forceps with high rigidity / rigidity
multi-channel port / wider opening, wider channels
1993
1994
1995
1995
1997
1998
1999
2008
2009
2009
2009
History of discontent
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History of discontent
History of productive conversion of idea
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国際先端医療技術学会 SMIT
Society for Medical Innovation & Technology
医療工学技術の臨床導入への架け橋
工学・医療現場・産業の専門家が一堂に集う
内視鏡外科手術,放射線治療,手術支援ロボット
イメージガイド手術,マイクロテクノロジー など
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The official journal of the Society
Minimally Invasive Therapy & Allied Technologies
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IF 1.33
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Discontent is
the first necessity of progress.
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retrieval bag / enlarge the incision
soft handle ring / numbness in the finger
gallbladder model / sacrifice the animal
forceps with gas-spray / invisible bleeder
expandable wound retractor / insufficient opening
new op. rectal tube / CO2 insufflation in intestine
heat forceps / cavitation /mist / straight / etc
box for suture training / steep elevation angle
box for suture training II / free layout / immobile
needle forceps with high rigidity / rigidity
multi-channel port / wider opening, wider channels
1993
1994
1995
1995
1997
1998
1999
2008
2009
2009
2009
History of discontent
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It shall be
well commercialized
when your discontent is
everyone’s discontent