CN101336822B - Dilator and constituted one-pore double-viewpoint electric cavity mirror system - Google Patents
Dilator and constituted one-pore double-viewpoint electric cavity mirror system Download PDFInfo
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- CN101336822B CN101336822B CN2008100976066A CN200810097606A CN101336822B CN 101336822 B CN101336822 B CN 101336822B CN 2008100976066 A CN2008100976066 A CN 2008100976066A CN 200810097606 A CN200810097606 A CN 200810097606A CN 101336822 B CN101336822 B CN 101336822B
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- body cavity
- wicresoft
- displaying unit
- joint portion
- suspension
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- 239000011148 porous material Substances 0.000 title description 3
- 230000004308 accommodation Effects 0.000 claims abstract description 28
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 239000000725 suspension Substances 0.000 claims description 37
- 239000000178 monomer Substances 0.000 claims description 36
- 208000005646 Pneumoperitoneum Diseases 0.000 claims description 16
- 208000003164 Diplopia Diseases 0.000 claims description 15
- 208000029444 double vision Diseases 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 5
- 238000001727 in vivo Methods 0.000 abstract 3
- 238000000338 in vitro Methods 0.000 abstract 2
- 238000002357 laparoscopic surgery Methods 0.000 abstract 1
- 238000002324 minimally invasive surgery Methods 0.000 description 18
- 230000003187 abdominal effect Effects 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 12
- 238000001356 surgical procedure Methods 0.000 description 8
- 238000012084 abdominal surgery Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000002496 gastric effect Effects 0.000 description 3
- 238000002695 general anesthesia Methods 0.000 description 3
- 210000002784 stomach Anatomy 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002192 cholecystectomy Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002692 epidural anesthesia Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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Abstract
The invention provides a component of the minimally-invasive body cavity-exposing device, a minimally-invasive body cavity-exposing device and a one-hole double-view gasless laparoscopy system using the same. The component of minimally-invasive body cavity-exposing device comprises a supporting member which is folded to form an in vivo exposure part and an in vitro exposure part; a covering memberwhich is covered with the supporting member with an accommodation space therebetween; a lighting unit which comprises a light outlet and a light inlet, wherein the light outlet and the light inlet are interconnected via an optical fiber, the light outlet is arranged at one end of the accommodation space positioning in the in vivo exposure part, and the light inlet is arranged at one end of the accommodation space positioning in the in vitro exposure part; and an image collecting unit which comprises a CCD camera connected with a CCD host computer via data wires, wherein the CCD camera is arranged at one end of the accommodation space positioning in the in vivo exposure part. The data wires are accommodated inside the accommodation space.
Description
Technical field
What the present invention relates to is a kind of minimally invasive surgery medical apparatus and instruments, what be particularly related to is a kind of following operation of abdominal part minimally invasive surgery that is suitable for: a hole double vision is exempted from pneumoperitoneum celioscope operation, the abdominal operation of double vision Wicresoft, the abdominal operation of direct-view Wicresoft, the miniature incision abdominal operation, little otch abdominal operations etc. are used to perform the operation, a hole double vision of displaying unit monomer, displaying unit and the formation of collection, editor and the remote teaching etc. of teaching and surgery information exempts from the pneumoperitoneum electric cavity mirror system.
Background technology
Minimally invasive surgery is the most outstanding symbol of modern surgery, is jewel the most dazzling in the contemporary surgery, is a new subject technology revolution in odonto-maxillary sursery field.The surgery of 21st century is exactly the epoch of minimally invasive surgery great development, (1987-France) has been born since the celioscope cholecystectomy before 21 years, cause the birth of minimally invasive surgery and minimally invasive surgery new ideas, always the taking the lead in race development in whole minimally invasive surgery field of the progress of abdominal part minimally invasive surgery.The development of China's minimally invasive surgery is extremely rapid, for indelible contribution has been made in world's minimally invasive surgery progress.Two big technology of abdominal surgery forefront are at present: scope minimally invasive surgery and direct-view minimally invasive surgery two big high-technology fields.
1, scope Wicresoft abdominal surgery (Inner scope Minimally Invasive AbdominalSurgery) is to finish operation with the method for celioscope, it is a technology the earliest, be born in the Lyons, France in 1987, importing China in 1992, is the academic and clinical surgical technic of popularizing the most of present China.Celioscope Wicresoft system equipment comprises; 1. celioscope and screen crossover display terminal system; 2. pneumoperitoneum apparatus system; 3. cutting bleeding system; 4. light-source illuminating system; 5. wash attraction system; 6. hand instrument system.Key equipment and technology are wielded some transnational major companies abroad.Operation method: general anesthesia, the CO2 artificial pneumoperitoneum is placed the gastrointestinal decompression Tube Drain, and indwelling catheter, stomach wall are made a call to (Φ 1cm * 2,3～4 holes; 0.5cm * 2 or 1; Adding up to Φ 3cm) operation undergos surgery.Compare advantage: reach Wicresoft's effect, surgical field of view is clear, is convenient to academic exchange and teaching; There is shortcoming: essential general anesthesia, CO2 artificial pneumoperitoneum, place the gastrointestinal decompression Tube Drain, indwelling catheter, stomach wall punching 3～4 holes, total Φ 3cm, operation technique hands, eye separate, the two-dimensional plane visual field, the operation training cycle is long, and operation risk is big, middle turn-off abdomen rate height, postoperative residual disease rate is higher, equipment cost and medical expense height, society, deficiency in economic performance.(seeing the following form)
2, direct-view Wicresoft's abdominal surgery (Direct-view Minimally Invasive Abdominal Surgery) is behind the scope Minimally Invasive Surgical Technology, in view of the unsurmountable shortcoming of scope Minimally Invasive Surgical Technology itself, by the technology of China's surgeon (author of the present invention) exploratory development success.This technology 1997 begins to be used for clinical, obtained Beijing Municipal People's Government's prize for the achveivement in science and technology in 2002, authenticating to national promotion project by the Chinese expert of doctors'associations in 2003 and begin to promote, is the technology that has certain status in present China academia and the clinical practice.Direct-view Wicresoft system equipment comprises; 1. illumination appears system; 2. cutting bleeding system; 3. wash attraction system; 4. hand instrument system.5. consumables associated therewith.Operation method: epidural anesthesia (local block anesthesia), stomach wall are played (2 ± 0.2cm) operations that undergo surgery of 1 hole.Compare advantage: the operation that direct-view is set about, eye accompanies, the three-dimensional space visual field does not need general anesthesia, do not need the CO2 artificial pneumoperitoneum, do not need the indwelling gastric tube drain, not indwelling catheter, otch little (2～3cm), need not take out stitches, the operation training cycle is short, the operation safety height, prolong otch in case of necessity and reach 6～8cm and become small incision surgery (MC) and just can deal with problems, middle turn-off abdomen rate is extremely low, and postoperative residual disease rate is low, equipment cost and medical expense are low, and be social, good in economic efficiency.There is shortcoming: look at the operation of a small hole straight, although patient's operating field is clear, operation freely, but relative scope Wicresoft, this technical equipment can not show the operation of body cavity inside by display screen, active cooperation in the art between the operation group membership cooperates and operation imparts knowledge to students to promote certain influence, has influenced technical training and popularization to a certain extent, is not easy to academic exchange and teaching.
In view of above-mentioned defective, creator of the present invention obtains this creation finally through long term studies and test.
Summary of the invention
The objective of the invention is to, provide a kind of displaying unit and and the pore double-viewpoint electric cavity mirror system that constitutes, in order to overcome above-mentioned defective.
For achieving the above object, the technical solution used in the present invention is, a kind of Wicresoft body cavity displaying unit at first is provided, and it comprises: at least three Wicresoft's body cavity displaying unit monomers, are stretched suspension, and in order to realize that described Wicresoft body cavity displaying unit monomer stretches the joint portion that suspension is connected with described; Wherein, described Wicresoft body cavity displaying unit monomer comprises: a supporting body, and it is a bending shape, the organizator intracavity appears portion and body cavity appears portion outward;
One nappe, itself and described carrying bulk phase cover, and form an accommodation space between the two;
One lighting unit, it comprises: a light-emitting window and a light inlet, both are connected by an optical fiber, and described light-emitting window is arranged at described accommodation space and is positioned at the end that described body cavity appears portion; Described light inlet is arranged at described accommodation space and is positioned at the end that described body cavity appears portion outward;
One image collection unit, it comprises: a CCD photographic head, be connected with a CCD main frame by data wire, described CCD photographic head is arranged at described accommodation space and is positioned at the end that described body cavity appears portion, is equipped with data wire in the described accommodation space.
The described suspension of stretching is a circulus, described joint portion is connected with described Wicresoft body cavity displaying unit monomer with the described suspension of stretching respectively, make described Wicresoft body cavity displaying unit monomer be distributed in described outer rim of stretching suspension, and form the working place of operation; By adjusting described joint portion and the described link position of stretching suspension, thereby adjust Wicresoft's body cavity displaying unit monomer with respect to described distribution of stretching suspension; By adjusting described joint portion and the monomeric link position of described Wicresoft's body cavity displaying unit, thereby adjust the size of the working place of described operation.
Preferable, described nappe is arranged at the outside of described supporting body kink or the inboard that described nappe is arranged at described supporting body kink.
Preferable, there is second kink in the portion of appearing in the described body cavity, and described second kink has light tank, and described light-emitting window and CCD photographic head wear described light tank.
Preferable, the described body cavity portion of appearing outward is provided with the side tooth, a pair of elasticity snap-fit element of described joint portion, and described joint portion is buckled on the described side tooth by described elasticity snap-fit element.
Preferable, described outer rim of stretching suspension is a dentation, and the clamping element by described joint portion fixes described position of stretching suspension and described joint portion.
Preferable, described stretch suspension annular have one and lack section, be inserted in from described scarce section by described joint portion, a clamping element of described joint portion fixes described position of stretching suspension and described joint portion.
Provide a hole double vision to exempt from pneumoperitoneum celioscope system at last, it comprises: at least three Wicresoft's body cavity displaying unit monomers, are stretched suspension, and in order to realize that described Wicresoft body cavity displaying unit monomer stretches the joint portion that suspension is connected with described; Wherein, described Wicresoft body cavity displaying unit monomer comprises: a supporting body, and it is a bending shape, the organizator intracavity appears portion and body cavity appears portion outward;
One nappe, itself and described carrying bulk phase cover, and form an accommodation space between the two;
One lighting unit, it comprises: a light-emitting window and a light inlet, both are connected by an optical fiber, and described light-emitting window is arranged at described accommodation space and is positioned at the end that described body cavity appears portion; Described light inlet is arranged at described accommodation space and is positioned at the end that described body cavity appears portion outward;
One image collection unit, it comprises: a CCD photographic head, be connected with a CCD main frame by data wire, described CCD photographic head is arranged at described accommodation space and is positioned at the end that described body cavity appears portion, is equipped with data wire in the described accommodation space.
The described swing frame main body of stretching is a circulus, described joint portion is connected with described Wicresoft body cavity displaying unit monomer with the described suspension of stretching respectively, make described Wicresoft body cavity displaying unit monomer be distributed in described outer rim of stretching suspension, and form the working place of operation; By adjusting described joint portion and the described link position of stretching suspension, thereby adjust Wicresoft's body cavity displaying unit monomer with respect to described distribution of stretching suspension; By adjusting described joint portion and the monomeric link position of described Wicresoft's body cavity displaying unit, thereby adjust the size of the working place of described operation;
Also comprise: a display device, described CCD main frame is connected with described display device, and the image that described CCD photographic head is obtained shows.
Description of drawings
Fig. 1 is the structural representation of the body cavity displaying unit monomer embodiment of Wicresoft one among the present invention;
Fig. 2 is the structural representation of the body cavity displaying unit monomer embodiment of Wicresoft two among the present invention;
Fig. 3 is the structural representation of the body cavity displaying unit monomer embodiment of Wicresoft three among the present invention;
Fig. 4 is the structural representation of the body cavity displaying unit embodiment of Wicresoft one of the present invention;
Fig. 5 is the structural representation of the body cavity displaying unit embodiment of Wicresoft two of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
See also shown in Figure 1ly, it is the structural representation of the body cavity displaying unit monomer embodiment of Wicresoft one among the present invention; It comprises: a supporting body 1, and it is a bending shape, the organizator intracavity appears portion 11 and body cavity appears portion 12 outward; One nappe 2, it covers mutually with the outside of described supporting body, forms an accommodation space between the two; One lighting unit, it comprises: a light-emitting window and a light inlet, both are connected by an optical fiber, and described light-emitting window is arranged at described accommodation space and is positioned at the end that described body cavity appears portion 12; Described light inlet is arranged at described accommodation space and is positioned at the end that described body cavity appears portion 12 outward;
See also shown in Figure 2ly, it is the structural representation of the body cavity displaying unit monomer embodiment of Wicresoft two among the present invention;
It comprises: a supporting body 1, and it is a bending shape, the organizator intracavity appears portion 11 and body cavity appears portion 12 outward; One nappe 2, it covers mutually with the inboard of described supporting body, forms an accommodation space between the two; Appear portion 11 in the described body cavity and have second kink 13, described second kink 13 has light tank, and described light-emitting window 33 and CCD photographic head 32 wear described light tank.One lighting unit, it comprises: a light-emitting window 33 and a light inlet 31, both are connected by an optical fiber, and described light-emitting window is arranged at described accommodation space and is positioned at the end that described body cavity appears portion 12; Described light inlet is arranged at described accommodation space and is positioned at the end that described body cavity appears portion 12 outward; All comprise for the above embodiments one and embodiment two:
One image collection unit, it comprises: described CCD photographic head 32, be connected with a CCD main frame by data wire, described CCD photographic head 32 is arranged at described accommodation space and is positioned at the end that described body cavity appears portion 11, is equipped with data wire in the described accommodation space.
Described Wicresoft body cavity displaying unit monomer can be introduced light in the body cavity in operation, also image can be gathered by CD photographic head 32 simultaneously, the same we adopt three Wicresoft's body cavity displaying unit monomers to form Wicresoft's body cavity displaying unit, can certainly have more the concrete more Wicresoft body cavity displaying unit combination of monomers that needs to adopt.
So operation group doctor uses this group apparatus hand-held merely, cooperates, adjusts use in the art flexibly, appears the body cavity Minimally Invasive Surgery visual-field space of throwing light on simultaneously need not to finish under the pneumoperitoneum state.Mainly finish the abdominal operation of direct-view Wicresoft, the miniature incision abdominal operation, the operation of little otch abdominal operation appears.Exempting from the pneumoperitoneum celioscope in conjunction with a hole double vision can finish a hole double vision and exempt from pneumoperitoneum celioscope Minimally Invasive Surgery and the abdominal operation of double vision Wicresoft.
See also shown in Figure 3ly, it is for the structural representation of the body cavity displaying unit monomer embodiment of Wicresoft three of the present invention; Describedly be positioned at the carrying side that described body cavity appears in the portion 12 outward and be provided with tooth, use in order to location when forming Wicresoft's body cavity displaying unit in the future, the lower end of described light inlet 31 is ccd data outlet 34.
See also shown in Figure 4ly, it is for the structural representation of the body cavity displaying unit embodiment of Wicresoft one of the present invention; Described Wicresoft body cavity displaying unit, it comprises: at least three Wicresoft's body cavity displaying unit monomers, are stretched suspension 4, and in order to realize that described Wicresoft body cavity displaying unit monomer stretches the joint portion 5 that suspension 4 is connected with described; Wherein, described Wicresoft body cavity displaying unit monomer as above about the body cavity displaying unit monomer embodiment of Wicresoft one of the present invention, implement two description.
Described to stretch suspension 4 be a circulus, and have one and lack section, is inserted in from described scarce section by described joint portion 5, and the position that a clamping element of described joint portion 5 will describedly be stretched suspension 4 and described joint portion 5 fixes; Make described Wicresoft body cavity displaying unit monomer be distributed in described outer rim of stretching suspension 4, and form the working place of inner operation; By adjusting described joint portion 5 and the described link position of stretching suspension 4, thereby adjust Wicresoft's body cavity displaying unit monomer with respect to described distribution of stretching suspension 4; By adjusting described joint portion 5 and the monomeric link position of described Wicresoft's body cavity displaying unit, thereby adjust the size of the working place of described operation, wherein said light inlet 31 each Wicresoft's body cavity displaying unit monomer all have, but all with general Wicresoft's body cavity displaying unit, having one at least, to have an image collection unit just passable.
See also shown in Figure 5, it is for the structural representation of the body cavity displaying unit embodiment of Wicresoft two of the present invention, wherein, described body cavity appears portion 12 outward and is provided with side tooth 14, described joint portion 5 has a pair of elasticity snap-fit element 51, and described joint portion 5 is buckled on the described side tooth 14 by described elasticity snap-fit element 51.Described outer rim of stretching suspension 4 is a dentation, and the clamping element 52 by described joint portion 5 fixes described position of stretching suspension 4 and described joint portion 5.
Wicresoft of the present invention body cavity displaying unit perfect aspect intracavity portion operative space under no pneumoperitoneum state throws light on, appears visual-field space.Be mainly used in and finish comparatively complicated direct-view Wicresoft abdominal operation, the miniature incision abdominal operation, the operation of little otch abdominal operation appears.Exempting from the pneumoperitoneum celioscope in conjunction with a hole double vision can finish a hole double vision and exempt from pneumoperitoneum celioscope Minimally Invasive Surgery and the complicated major operation of double vision Wicresoft abdominal part.
For the present invention, also comprise providing an a kind of hole double vision to exempt from pneumoperitoneum celioscope system, it is on the basis of above-mentioned Wicresoft's body cavity displaying unit, also comprises: a display device, described CCD main frame is connected with described display device, and the image that described CCD photographic head is obtained shows.In order to assisting operation.
The present invention's one hole double vision is exempted from pneumoperitoneum celioscope system, and both hand-holdable being used in combination with Wicresoft body cavity displaying unit set of monomers finished operation, also can be installed on the automatic displaying unit of Wicresoft's body cavity and use.Electronic digit is connected to the conversion of CCD host computer system is transferred to screen (demonstration), audio frequency apparatuses such as computer, TV, monitor, finish the video picture that spreads out of of operating field dynamic image, and energy record, arrangement, editor and remote teaching transmission etc.Both make up closely, one integrated mass, form the system body of this invention.Be used to finish a hole double vision and exempt from air chamber mirror Minimally Invasive Surgery, the double vision Minimally Invasive Surgery, direct-view Minimally Invasive Surgery, miniature incision operation, the operating field of small incision surgery appears, the wild dynamic image of illumination and art spread out of video picture, and can record, work such as arrangement, editor and remote teaching transmission.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (4)
1. Wicresoft's body cavity displaying unit is characterized in that it comprises: at least three Wicresoft's body cavity displaying unit monomers, are stretched suspension, and in order to realize that described Wicresoft body cavity displaying unit monomer stretches the joint portion that suspension is connected with described;
Wherein, described Wicresoft body cavity displaying unit monomer comprises:
One supporting body, it is a bending shape, and the organizator intracavity appears portion and body cavity appears portion outward, and wherein, the described body cavity portion of appearing outward is provided with the side tooth;
One nappe, itself and described carrying bulk phase cover, and form an accommodation space between the two, and described nappe is arranged at the outside of described supporting body kink, and perhaps described nappe is arranged at the inboard of described supporting body kink;
One lighting unit, it comprises: a light-emitting window and a light inlet, both are connected by an optical fiber, are positioned at the end that described body cavity appears portion at described accommodation space and are provided with described light-emitting window; An end that appears portion outside described accommodation space is positioned at described body cavity is provided with described light inlet;
One image collection unit, it comprises: a CCD photographic head, be connected with a CCD main frame by data wire, be positioned at the end that described body cavity appears portion at described accommodation space and be provided with described CCD photographic head, be equipped with data wire in the described accommodation space;
The described suspension of stretching is a circulus, described circulus of stretching suspension has one and lacks section, be inserted in from described scarce section by described joint portion, one clamping element of described joint portion fixes described position of stretching suspension and described joint portion, described joint portion is connected with described Wicresoft body cavity displaying unit monomer with the described suspension of stretching respectively, make described Wicresoft body cavity displaying unit monomer be distributed in described outer rim of stretching suspension, and form the working place of operation; Described joint portion has a pair of elasticity snap-fit element, and described joint portion is buckled on the described side tooth by described elasticity snap-fit element; By adjusting described joint portion and the described link position of stretching suspension, thereby adjust Wicresoft's body cavity displaying unit monomer with respect to described distribution of stretching suspension; By adjusting described joint portion and the monomeric link position of described Wicresoft's body cavity displaying unit, thereby adjust the size of the working place of described operation.
2. Wicresoft according to claim 1 body cavity displaying unit is characterized in that there is one second kink in the portion of appearing in the described body cavity, and described second kink has light tank, and described light-emitting window and CCD photographic head wear described light tank.
3. Wicresoft according to claim 1 body cavity displaying unit is characterized in that, described outer rim of stretching suspension is a dentation, and the clamping element by described joint portion fixes described position of stretching suspension and described joint portion.
4. a hole double vision is exempted from pneumoperitoneum celioscope system, it is characterized in that it comprises: Wicresoft as claimed in claim 1 body cavity displaying unit;
Also comprise: a display device, described CCD main frame is connected with described display device, and the image that described CCD photographic head is obtained shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100976066A CN101336822B (en) | 2008-05-21 | 2008-05-21 | Dilator and constituted one-pore double-viewpoint electric cavity mirror system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100976066A CN101336822B (en) | 2008-05-21 | 2008-05-21 | Dilator and constituted one-pore double-viewpoint electric cavity mirror system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101336822A CN101336822A (en) | 2009-01-07 |
| CN101336822B true CN101336822B (en) | 2010-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100976066A Expired - Fee Related CN101336822B (en) | 2008-05-21 | 2008-05-21 | Dilator and constituted one-pore double-viewpoint electric cavity mirror system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106214193A (en) * | 2016-06-30 | 2016-12-14 | 泉州市知产茂业工业设计有限公司 | A kind of detect the medical drag hook that precision is high |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2133694A (en) * | 1983-01-21 | 1984-08-01 | Heraeus Gmbh W C | Retraction for surgical purposes |
| CN2148537Y (en) * | 1992-11-05 | 1993-12-08 | 宋守濂 | Operation light retractor |
| US6196968B1 (en) * | 1997-06-02 | 2001-03-06 | General Surgical Innovations, Inc. | Direct vision subcutaneous tissue retractor and method for use |
| EP1652480A1 (en) * | 2003-08-05 | 2006-05-03 | Oscar Laucirica Gari | Self-retaining surgical retractor |
| CN2879985Y (en) * | 2005-12-29 | 2007-03-21 | 林茂 | Cold light source tractor having camera head |
| CN201223381Y (en) * | 2008-09-28 | 2009-04-22 | 王鹏 | Exposing utensil monomer, exposing utensil and composed one-hole double-vision electronic cavity mirror system |
-
2008
- 2008-05-21 CN CN2008100976066A patent/CN101336822B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2133694A (en) * | 1983-01-21 | 1984-08-01 | Heraeus Gmbh W C | Retraction for surgical purposes |
| CN2148537Y (en) * | 1992-11-05 | 1993-12-08 | 宋守濂 | Operation light retractor |
| US6196968B1 (en) * | 1997-06-02 | 2001-03-06 | General Surgical Innovations, Inc. | Direct vision subcutaneous tissue retractor and method for use |
| EP1652480A1 (en) * | 2003-08-05 | 2006-05-03 | Oscar Laucirica Gari | Self-retaining surgical retractor |
| CN2879985Y (en) * | 2005-12-29 | 2007-03-21 | 林茂 | Cold light source tractor having camera head |
| CN201223381Y (en) * | 2008-09-28 | 2009-04-22 | 王鹏 | Exposing utensil monomer, exposing utensil and composed one-hole double-vision electronic cavity mirror system |
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| CN101336822A (en) | 2009-01-07 |
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