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80 beds
Medical Topia Soka
尼崎南部再生研究室HPより
Invention from downtown for everyone’s daily life
Single incision laparoscopic surgery
単孔式内視鏡手術
Conventional laparoscopic surgery
Single incision laparoscopic surgery
manipulation angle
ergonomics in single incision endoscopic surgery
Loss of manipulation angle
conflicts
lack of manipulation angle
discontent
Make it sustainable
single incision endoscopic surgery
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
Necessity : double bendable forceps
DraCo®
Duble rainbow Cooperator
Double bendable forceps
DraCo®Double rainbow Cooperator
Problem of tip rotation
transmit the torque to the end-effector via curved shaft
• high tensile strength
• superior bending rigidity like shape-memory alloy
beta titanium
beta titanium tube with slit-patterns
laser-machining
to be more flexible
and to transmit rotation torque
DraCo® 5th prototype
DraCo®
6th prototype for clinical trial
Necessity is
the mother of invention.
Necessity is
the mother of invention.
Thomas Edison ?
Necessity is
the mother of invention.
Discontent is
the first necessity of progress.
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
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
Discontent Necessity
Productive conversion of idea
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
retrieval bag 1993 discontent : enlarge the incision
soft ring attachment for forceps handle 1994
discontent : numbness in the fingers
gallbladder model with natural fiber 1995
discontent : sacrifice animals
forceps with gas-spray 1995
discontent : invisible bleeding point
expandable wound retractor 1997 discontent : insufficient wound expansion
operating rectal tube with side window 1998
CO2 insufflation in the intestine
◼ Ethicon: Harmonic Scalpel
Ultrasonically activated device (USAD)
◼ Olympus: SonoSurg
◼ Autosuture: AutoSonix
Tapered tip
◆ cavitation
◆ mist / smoke
◆ straight in shape
◆ single use
heat forceps 1999
discontent about the existing hemostatic dissecting devices
Temperature increase in
heating forceps and others
10 200
100
300
Sec
℃
Ultrasonic coagulator
Monopolar HF
Bipolar Sealer
Heating forceps (2002)
Heating forceps : latest open version prototypeHeating element made of molybdenum
In vivo, Jan 2002
◼sealing & cutting porcine gastroepiploic artery / 6.5 mm
Laparoscopic versionHeating forceps : initial endoscopic version
Heating element made of molybdenum
In vivo, Jan 2002
◼ feasibility test in porcine operation
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
box for suture training I 2007 discontent : steep elevation angle
box for suture training II 2008
discontent : expensive / immobile / layout
needle forceps with high rigidity 2009
discontent : unavailable / insufficient rigidityBJ needle ®
development of a 2mm needle instruments
multi-channel port 2008
discontent : narrow wound expansion / short distance between channels
X Gate®
BJ needle ® & X Gate®
Single incision intragastric surgery
2009
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
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
History of discontent
History of productive conversion of idea
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
The official journal of the Society
Minimally Invasive Therapy & Allied Technologies
IF 1.33
Discontent is
the first necessity of progress.
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
It shall be
well commercialized
when your discontent is
everyone’s discontent
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