CN106419820A - Surgical instrument for thoracoscope - Google Patents
Surgical instrument for thoracoscope Download PDFInfo
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- CN106419820A CN106419820A CN201610863412.7A CN201610863412A CN106419820A CN 106419820 A CN106419820 A CN 106419820A CN 201610863412 A CN201610863412 A CN 201610863412A CN 106419820 A CN106419820 A CN 106419820A
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- Prior art keywords
- support bar
- flexible pipe
- plastic flexible
- thoracoscope
- rotating camera
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
- A61L31/04—Macromolecular materials
- A61L31/06—Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Radiology & Medical Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Endoscopes (AREA)
Abstract
The invention relates to a surgical instrument for thoracoscope. The surgical instrument comprises a rotating camera, an expansion piece, a plastic hose and a support rod; the support rod is installed inside the plastic hose, one end of the support rod is connected with the rotating camera, and the other end of the support rod is connected with an external interface; the expansion piece is fixed to the support rod, the rotating camera is internally embedded in the front portion of the plastic hose, and the rear portion of the plastic hose is also connected with the external interface so as to form a whole. The plastic hose is a hollow hose, the surface of the plastic hose is provided with soft short down structure, it is guaranteed that the plastic hose does not damage the chest wall, the digestive tract wall and the like in the propelling process, and meanwhile the soft short down structure has the effects of lubricating and lowering propelling resistance of the hose.
Description
Technical field
The present invention relates to technical field of surgical instruments, specifically, be a kind of operating theater instruments for thoracoscope.
Background technology
Thoracoscopic operation (video-assisted thoracic syrgery) uses modern camera technique and high-tech operating theater instruments equipment,
Wicresoft's thoracic surgery new technology of intrathoracic complicated operation is completed under wall of the chest sleeve pipe or miniature incision.Thoracoscopic operation is considered 20 generation
Record the revolutionary quantum jump of thoracic surgery circle in latter stage, be the most wide thoracoscopic operation of Wicresoft's thoracic surgery range of application.
Tubular structure, patent Thoracoscope surgery cannula is mainly used during current thoracoscopic operation
(CN201110113723.9) it is externally provided with airtight frozen water pipe at body, outside airtight frozen water pipe, be provided with the sleeve pipe of a length of 1 centimetre, set
Pipe two ends are provided with a length of 1 centimetre and four symmetric elastic force registration arm, and sleeve pipe stage casing sets on elastic force registration arm horizontal level
Having positioning nut, airtight frozen water pipe leading portion and elastic force registration arm surface are provided with smooth oil jacket, and airtight frozen water pipe rear end is provided with fixing
Handle.It can be avoided that sleeve pipe moves up and down when invention carries out thoracoscopic operation to patient, and it can be avoided that ooze out blood clotting and group
Knit and tube wall adhesion, alleviate the work difficulty of medical worker.
A kind of thoracentesis mirror of patent (CN 201310150417.1) its be mainly puncture mirror main body and sheath, described wear
Thorn mirror main body includes the needle-like hard working tips being interconnected, operating portion, light source joint, output end of image and for drainage
Drainage channel, described sheath includes hard sheath tube end and at least one passage, and described sheath is placed in needle-like hard working tips
Periphery, the leading section of described needle-like hard working tips is provided with optical lens and fiber-optic output.Thoracic cavity of the present invention
In puncture mirror, combines puncture needle and can puncture skin and organize the advantage entering human body, and endoscope can provide doctor
The advantage of visible image, when doctor is punctured by using thoracentesis mirror, is no longer rely on experience and judgement, with certain blindness
Ground is carried out, but gets off operation in the direct-view of monitor, improves the security of operation.
Patent thoracoscope (CN 200720123462.8) includes mirror body, with optics visor in mirror body, also includes operation
Hole, this handle hole is arranged in described mirror body, and the axis of handle hole is parallel with the axis of described optics visor；Cutting of described mirror body
Face is that class is oval, and the minor axis length of this ellipse is less than 5mm.The cross sectional shape of thoracoscope of the present invention is flat, and it passes through the wall of the chest
The main part entering pleural cavity is that class is oval, easily propagates through narrow intercostal space, and similar with passing through property without handle hole
Circular chest mirror compare, both can ensure the identical visual field, to add again handle hole, decrease the perforate on patient's wall of the chest
Number, makes surgical procedure easier, mitigates patient suffering, reduces the risk that wall of the chest perforate brings.
A kind of multi-angle remission mirror for thoracic surgery of patent (CN 201010577226.X), its minute surface be fixed on
On its parallel spike, supporting foot-propelled and being inserted in ordinatedly on mirror handle, mirror pommel portion is the circular hole for being fixed on handle；Handle
Ining succession ball in one end, ball is embedded in the hole of gripper shoe with rotating shape, and the circular hole that one section of screw sleeve handle is stretched out in one end of ball, by
The mirror handle inserting fixed movingly by wing nut.Good effect after enforcement is：The reflex utilizing mirror makes operator
Originally the position cannot looked at straight in can indirectly seeing chest wall and thoracic cavity, thus ensure that patient can be under less otch
Complete from the operation technique such as adhesion and hemostasis.Provide conveniently for surgical, it is to avoid expansion otch increases wound, again need not
Video-assisted, not only reduces surgery cost, but also mitigates patient suffering, adds a practical work for thoracic surgery
Tool.
Research at present is primarily directed in the operating theater instruments of thoracoscope, mainly employing metal material, and primarily as
The effect of auxiliary；A kind of operating theater instruments for thoracoscope of the present invention.By using the outside brush type knot with flexible structure
Structure, it is to avoid the damage to pipeline for the hard equipment, is completed the motion in pipeline, and can be stretched on support bar by expansion bend
Contracting motion, by arranging expansion bend structure, support bar can be made to travel forward, thus drive plastic flexible pipe and rotating camera to
Front propelling, thus instruct detection and surgical procedure；The operation of the thoracoscope being applied to old man, child and animal has good
Application prospect.
Content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of operating theater instruments for thoracoscope is provided.
It is an object of the invention to be achieved through the following technical solutions：
A kind of operating theater instruments for thoracoscope, it comprises rotating camera, expansion bend, plastic flexible pipe and support bar；Mould
The inside of material flexible pipe is provided with support bar, and wherein one end of support bar is connected with rotating camera, and the other end of support bar is with outward
Portion's interface connects；Being fixed with expansion bend on support bar, rotating camera is embedded in the front portion of plastic flexible pipe, after plastic flexible pipe
Portion is also connected with external interface thus forms an entirety.
Described rotating camera is hemispherical, and its diameter is equal with plastic flexible pipe internal diameter, simultaneously in rotating camera
Being internally provided with the camera that the carrying out that can rotate shoots, the shooting visual field of described rotating camera is 150 ° of sectors
Area；By arranging the camera structure with rotation, photography can be carried out to 150 ° of anterior sector regions of flexible pipe, with
The hemispheric structure of Shi Caiyong, it is to avoid apparatus damage to pipeline in progradation, and surface with rounded structures is smooth, also
Avoid the attachment on surface for the pipeline dirt；
Described expansion bend can on support bar stretching motion, its stretching motion is in the range of-30～30cm；By setting
Put expansion bend structure, support bar can be made to travel forward, thus drive plastic flexible pipe and rotating camera to push ahead, thus refer to
Lead detection and surgical procedure；
Described plastic flexible pipe is hollow tube, a diameter of 1～50.0mm of hollow tube, and is evenly distributed with short on plastic flexible pipe
Fluff structures, a diameter of 0.05～0.10mm of described down, its draw ratio is 5～10.Have soft on plastic flexible pipe surface
Soft down structure, it is ensured that plastic flexible pipe does not damage chest wall and alimentary canal wall etc. in progradation, simultaneously soft
Down also act as lubrication and reduce flexible pipe propelling resistance effect.
Described support bar, the mass fraction of its material component is：
The preparation method of described support bar：
Under the conditions of lucifuge and nitrogen protect gas, containing hydrogen silicone oil, eight vinyl polysilsesquioxanes, ultraviolet initiator
Under the conditions of 180～190 DEG C, mixing dispersion 30min, is subsequently poured in double screw extruder and carries out extruding and granulating being changed
Property component particle, arranging extrusion temperature is 150～160 DEG C；Then, raw material Merlon after 120 DEG C of dry 48h, then adopt
By the method for injection mo(u)lding, Merlon section and modified component particle are joined in injection machine hopper, injection temperature is set
Being 260～290 DEG C, injection pressure is 50～80MPa, and material blended time in screw in injection molding machine is 10～15s, and injection stops
Keep 10s, prepare support bar prefabricated component after cooling, then prefabricated component is carried out radiating 15～20s under ultraviolet lighting, make
Eight vinyl polysilsesquioxanes fully solidify with containing hydrogen silicone oil, finally prepare required support bar.
Described Merlon uses 131R-111,141R-111,241R, HF1110-11 of GE company of U.S. injection machine.
Described containing hydrogen silicone oil be hydrogen content be 1～1.5%, molecular weight is 5000～6000.
Described ultraviolet initiator is 2-hydroxy-2-methyl-1-[4-(2-hydroxyl-oxethyl) phenyl]-1-acetone, benzene
One in GA methyl esters, 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone.
Described ultraviolet radiation wavelength is 405nm, and ultraviolet radiation energy is 500～650mj/m2；
It is wide that Merlon has excellent high intensity and coefficient of elasticity, high impact, use temperature range, highly transparent
Property and free dyeability, shaping shrinkage rate is low, dimensional stability is good, and fatigue durability is good, and weatherability is good, and electrical characteristic is excellent, nothing
Taste odorless is harmless meets safe and sanitary.But Merlon is originally as the amorphous polymer of colourless glassy state, itself
After high-temperature fusion, injection moulding process mobility is poor, and the application flows with the polysilsesquioxane with cage structure for molecule
Conditioning agent, utilizes the cage structure ball effect of polysilsesquioxane itself, improves Merlon during melt-processed
Mobility, is beneficial in the shaping preparing fine thin-wall part, and the polysilsesquioxane with space cage structure has excellent
Different heat-resisting and resilience, residual stress in absorbable goods in cooling procedure, reduces moulding answering in processing cooling procedure
Power is concentrated, and improves the homogeneity of product；Simultaneously in order to improve and ensure that structural strength employing has eight vinyl of reactivity
Polysilsesquioxane and containing hydrogen silicone oil cross-linking reaction under ultraviolet light, make to be formed in polycarbonate structure have " interpenetrating networks "
Pseudo-cross-linked structure, improve the intensity of polycarbonate article and hardness；And modified component eight vinyl of the mobility after crosslinking
It after polysilsesquioxane is by crosslinking, is fixed in goods, be possible not only to play the effect promoting intensity, simultaneously with chemical bond
Form is fixed, therefore, it is difficult to migrate in goods, improves the impermeability of goods and antiradiation drug, simultaneously the pressing down of material itself
Bacterium and biocompatibility, it is to avoid the anaphase sequelae that the corrosion-resistant problem of the traditional stainless steel material of employing itself causes
Generation.
Workflow：In use, first pass through external interface support bar and plastic flexible pipe to be coupled together, then
The shooting of the controller control camera outside Li Yonging and the motion of expansion bend, putting in forward by expansion bend, drive flexible pipe
Pushing ahead with camera, camera shooting simultaneously advances the anterior visual field, instructs expansion bend by being transferred to aerial lug
Motion, complete shooting process, then by the receding of expansion bend, make rotating camera and plastic flexible pipe reply backward, push away
Go out pipeline, complete entirely to detect process.
Compared with prior art, the positive effect of the present invention is：
Described expansion bend can on support bar stretching motion, by arranging expansion bend structure, can make support bar to
Front motion, thus drive plastic flexible pipe and rotating camera to push ahead, thus instruct detection and surgical procedure；
Described plastic flexible pipe is hollow tube, has the down structure of softness on plastic flexible pipe surface, it is ensured that plastics
Flexible pipe does not damage chest wall and alimentary canal wall etc. in progradation, and simultaneously soft down also acts as lubrication and reduces soft
The effect of pipe propelling resistance.
Brief description
The structural representation of Fig. 1 present invention；
Brief description：1 is rotating camera, and 2 is expansion bend, and 3 is plastic flexible pipe, and 4 is support bar
Detailed description of the invention
A kind of detailed description of the invention of the present invention presented below.
Embodiment 1
Referring to accompanying drawing 1, a kind of operating theater instruments for thoracoscope, it comprises rotating camera 1, and expansion bend 2, plastics are soft
Pipe 3 and support bar 4；The inside of plastic flexible pipe 3 is provided with support bar 4, and wherein one end of support bar 4 is connected with rotating camera 1,
The other end of support bar 4 is connected with external interface；Being fixed with expansion bend 2 on support bar 4, described rotating camera 1 is embedded
In the front portion of plastic flexible pipe 3, the rear portion of plastic flexible pipe 3 is also connected with external interface thus forms an entirety.
Described rotating camera is hemispherical, and its diameter is equal with plastic flexible pipe internal diameter, simultaneously in rotating camera
Being internally provided with the camera that the carrying out that can rotate shoots, the shooting visual field of described rotating camera is 150 ° of sectors
Area；By arranging the camera structure with rotation, photography can be carried out to 150 ° of anterior sector regions of flexible pipe, with
The hemispheric structure of Shi Caiyong, it is to avoid apparatus damage to pipeline in progradation, and surface with rounded structures is smooth, also
Avoid the attachment on surface for the pipeline dirt；
Described expansion bend can on support bar stretching motion, its stretching motion is in the range of-30～30cm；By setting
Put expansion bend structure, support bar can be made to travel forward, thus drive plastic flexible pipe and rotating camera to push ahead, thus refer to
Lead detection and surgical procedure；
Described plastic flexible pipe is hollow tube, a diameter of 1～50.0mm of hollow tube, and is evenly distributed with short on plastic flexible pipe
Fluff structures, a diameter of 0.05～0.10mm of described down, its draw ratio is 5～10.Have soft on plastic flexible pipe surface
Soft down structure, it is ensured that plastic flexible pipe does not damage chest wall and alimentary canal wall etc. in progradation, simultaneously soft
Down also act as lubrication and reduce flexible pipe propelling resistance effect.
Described support bar, the mass fraction of its material component is：
The preparation method of described support bar：
Under the conditions of lucifuge and nitrogen protect gas, containing hydrogen silicone oil, eight vinyl polysilsesquioxanes, ultraviolet initiator
Under the conditions of 180～190 DEG C, mixing dispersion 30min, is subsequently poured in double screw extruder and carries out extruding and granulating being changed
Property component particle, arranging extrusion temperature is 150～160 DEG C；Then, raw material Merlon after 120 DEG C of dry 48h, then adopt
By the method for injection mo(u)lding, Merlon section and modified component particle are joined in injection machine hopper, injection temperature is set
Being 260～290 DEG C, injection pressure is 50～80MPa, and material blended time in screw in injection molding machine is 10～15s, and injection stops
Keep 10s, prepare support bar prefabricated component after cooling, then prefabricated component is carried out radiating 15～20s under ultraviolet lighting, make
Eight vinyl polysilsesquioxanes fully solidify with containing hydrogen silicone oil, finally prepare required support bar.
Described Merlon uses 131R-111,141R-111,241R, HF1110-11 of GE company of U.S. injection machine.
Described containing hydrogen silicone oil be hydrogen content be 1～1.5%, molecular weight is 5000～6000.
Described ultraviolet initiator is 2-hydroxy-2-methyl-1-[4-(2-hydroxyl-oxethyl) phenyl]-1-acetone, benzene
One in GA methyl esters, 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone.
Workflow：In use, first pass through external interface support bar and plastic flexible pipe to be coupled together, then
The shooting of the controller control camera outside Li Yonging and the motion of expansion bend, putting in forward by expansion bend, drive flexible pipe
Pushing ahead with camera, camera shooting simultaneously advances the anterior visual field, instructs expansion bend by being transferred to aerial lug
Motion, complete shooting process, then by the receding of expansion bend, make rotating camera and plastic flexible pipe reply backward, push away
Go out pipeline, complete entirely to detect process.
Embodiment 2
Referring to accompanying drawing 1, a kind of operating theater instruments for thoracoscope, it comprises rotating camera 1, and expansion bend 2, plastics are soft
Pipe 3 and support bar 4；The inside of plastic flexible pipe 3 is provided with support bar 4, and wherein one end of support bar 4 is connected with rotating camera 1,
The other end of support bar 4 is connected with external interface；Being fixed with expansion bend 2 on support bar 4, described rotating camera 1 is embedded
In the front portion of plastic flexible pipe 3, the rear portion of plastic flexible pipe 3 is also connected with external interface thus forms an entirety.
Described rotating camera is hemispherical, and its diameter is equal with plastic flexible pipe internal diameter, simultaneously in rotating camera
Being internally provided with the camera that the carrying out that can rotate shoots, the shooting visual field of described rotating camera is 150 ° of sectors
Area；By arranging the camera structure with rotation, photography can be carried out to 150 ° of anterior sector regions of flexible pipe, with
The hemispheric structure of Shi Caiyong, it is to avoid apparatus damage to pipeline in progradation, and surface with rounded structures is smooth, also
Avoid the attachment on surface for the pipeline dirt；
Described expansion bend can on support bar stretching motion, its stretching motion is in the range of-30～30cm；By setting
Put expansion bend structure, support bar can be made to travel forward, thus drive plastic flexible pipe and rotating camera to push ahead, thus refer to
Lead detection and surgical procedure；
Described plastic flexible pipe is hollow tube, a diameter of 1～50.0mm of hollow tube, and is evenly distributed with short on plastic flexible pipe
Fluff structures, a diameter of 0.05～0.10mm of described down, its draw ratio is 5～10.Have soft on plastic flexible pipe surface
Soft down structure, it is ensured that plastic flexible pipe does not damage chest wall and alimentary canal wall etc. in progradation, simultaneously soft
Down also act as lubrication and reduce flexible pipe propelling resistance effect.
Described support bar, the mass fraction of its material component is：
The preparation method of described support bar：
Under the conditions of lucifuge and nitrogen protect gas, containing hydrogen silicone oil, eight vinyl polysilsesquioxanes, ultraviolet initiator
Under the conditions of 180～190 DEG C, mixing dispersion 30min, is subsequently poured in double screw extruder and carries out extruding and granulating being changed
Property component particle, arranging extrusion temperature is 150～160 DEG C；Then, raw material Merlon after 120 DEG C of dry 48h, then adopt
By the method for injection mo(u)lding, Merlon section and modified component particle are joined in injection machine hopper, injection temperature is set
Being 260～290 DEG C, injection pressure is 50～80MPa, and material blended time in screw in injection molding machine is 10～15s, and injection stops
Keep 10s, prepare support bar prefabricated component after cooling, then prefabricated component is carried out radiating 15～20s under ultraviolet lighting, make
Eight vinyl polysilsesquioxanes fully solidify with containing hydrogen silicone oil, finally prepare required support bar.
Described Merlon uses 131R-111,141R-111,241R, HF1110-11 of GE company of U.S. injection machine.
Described containing hydrogen silicone oil be hydrogen content be 1～1.5%, molecular weight is 5000～6000.
Described ultraviolet initiator is 2-hydroxy-2-methyl-1-[4-(2-hydroxyl-oxethyl) phenyl]-1-acetone, benzene
One in GA methyl esters, 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone.
Embodiment 3
Referring to accompanying drawing 1, a kind of operating theater instruments for thoracoscope, it comprises rotating camera 1, and expansion bend 2, plastics are soft
Pipe 3 and support bar 4；The inside of plastic flexible pipe 3 is provided with support bar 4, and wherein one end of support bar 4 is connected with rotating camera 1,
The other end of support bar 4 is connected with external interface；Being fixed with expansion bend 2 on support bar 4, described rotating camera 1 is embedded
In the front portion of plastic flexible pipe 3, the rear portion of plastic flexible pipe 3 is also connected with external interface thus forms an entirety.
Described rotating camera is hemispherical, and its diameter is equal with plastic flexible pipe internal diameter, simultaneously in rotating camera
Being internally provided with the camera that the carrying out that can rotate shoots, the shooting visual field of described rotating camera is 150 ° of sectors
Area；By arranging the camera structure with rotation, photography can be carried out to 150 ° of anterior sector regions of flexible pipe, with
The hemispheric structure of Shi Caiyong, it is to avoid apparatus damage to pipeline in progradation, and surface with rounded structures is smooth, also
Avoid the attachment on surface for the pipeline dirt；
Described expansion bend can on support bar stretching motion, its stretching motion is in the range of-30～30cm；By setting
Put expansion bend structure, support bar can be made to travel forward, thus drive plastic flexible pipe and rotating camera to push ahead, thus refer to
Lead detection and surgical procedure；
Described plastic flexible pipe is hollow tube, a diameter of 1～50.0mm of hollow tube, and is evenly distributed with short on plastic flexible pipe
Fluff structures, a diameter of 0.05～0.10mm of described down, its draw ratio is 5～10.Have soft on plastic flexible pipe surface
Soft down structure, it is ensured that plastic flexible pipe does not damage chest wall and alimentary canal wall etc. in progradation, simultaneously soft
Down also act as lubrication and reduce flexible pipe propelling resistance effect.
Described support bar, the mass fraction of its material component is：
The preparation method of described support bar：
Under the conditions of lucifuge and nitrogen protect gas, containing hydrogen silicone oil, eight vinyl polysilsesquioxanes, ultraviolet initiator
Under the conditions of 180～190 DEG C, mixing dispersion 30min, is subsequently poured in double screw extruder and carries out extruding and granulating being changed
Property component particle, arranging extrusion temperature is 150～160 DEG C；Then, raw material Merlon after 120 DEG C of dry 48h, then adopt
By the method for injection mo(u)lding, Merlon section and modified component particle are joined in injection machine hopper, injection temperature is set
Being 260～290 DEG C, injection pressure is 50～80MPa, and material blended time in screw in injection molding machine is 10～15s, and injection stops
Keep 10s, prepare support bar prefabricated component after cooling, then prefabricated component is carried out radiating 15～20s under ultraviolet lighting, make
Eight vinyl polysilsesquioxanes fully solidify with containing hydrogen silicone oil, finally prepare required support bar.
Described Merlon uses 131R-111,141R-111,241R, HF1110-11 of GE company of U.S. injection machine.
Described containing hydrogen silicone oil be hydrogen content be 1～1.5%, molecular weight is 5000～6000.
Described ultraviolet initiator is 2-hydroxy-2-methyl-1-[4-(2-hydroxyl-oxethyl) phenyl]-1-acetone, benzene
One in GA methyl esters, 2-hydroxy-2-methyl-1-phenylacetone, 1-hydroxycyclohexyl phenyl ketone.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, without departing from the inventive concept of the premise, can also make some improvements and modifications, and these improvements and modifications also should be regarded as
In protection scope of the present invention.
Claims (6)
1. the operating theater instruments for thoracoscope, it is characterised in that it comprises rotating camera, expansion bend, plastic flexible pipe and
Support bar；The inside of plastic flexible pipe is provided with support bar, and wherein one end of support bar is connected with rotating camera, support bar another
One end is connected with external interface；Being fixed with expansion bend on support bar, rotating camera is embedded in the front portion of plastic flexible pipe, plastics
The rear portion of flexible pipe is also connected with external interface thus forms an entirety.
2. a kind of operating theater instruments for thoracoscope as claimed in claim 1, it is characterised in that described rotating camera is
Hemispherical, and its diameter is equal with plastic flexible pipe internal diameter.
3. a kind of operating theater instruments for thoracoscope as claimed in claim 1, it is characterised in that described expansion bend can be
Stretching motion on support bar, its stretching motion is in the range of-30～30cm.
4. a kind of operating theater instruments for thoracoscope as claimed in claim 1, it is characterised in that during described plastic flexible pipe is
Blank pipe, a diameter of 1～50.0mm of hollow tube, and it on plastic flexible pipe, is evenly distributed with down structure, described down diameter
Being 0.05～0.10mm, its draw ratio is 5～10.
5. a kind of operating theater instruments for thoracoscope as claimed in claim 1, it is characterised in that described support bar, it is former
The mass fraction of material component is：
6. a kind of operating theater instruments for thoracoscope as claimed in claim 1, it is characterised in that the preparation of described support bar
Method：
Under the conditions of lucifuge and nitrogen protect gas, containing hydrogen silicone oil, eight vinyl polysilsesquioxanes, ultraviolet initiator exists
Under the conditions of 180～190 DEG C, mixing dispersion 30min, is subsequently poured in double screw extruder and carries out extruding and granulating obtaining modification
Component particle, arranging extrusion temperature is 150～160 DEG C；Then, raw material Merlon after 120 DEG C of dry 48h, then use
The method of injection mo(u)lding, joins Merlon section and modified component particle in injection machine hopper, and arranging injection temperature is
260～290 DEG C, injection pressure is 50～80MPa, and material blended time in screw in injection molding machine is 10～15s, and injection stops to be protected
Hold 10s, prepare support bar prefabricated component after cooling, then prefabricated component is carried out radiating 15～20s under ultraviolet lighting, make eight
Vinyl polysilsesquioxane and containing hydrogen silicone oil fully solidify, and finally prepare required support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863412.7A CN106419820A (en) | 2016-09-26 | 2016-09-26 | Surgical instrument for thoracoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610863412.7A CN106419820A (en) | 2016-09-26 | 2016-09-26 | Surgical instrument for thoracoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106419820A true CN106419820A (en) | 2017-02-22 |
Family
ID=58171215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610863412.7A Pending CN106419820A (en) | 2016-09-26 | 2016-09-26 | Surgical instrument for thoracoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106419820A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111419153A (en) * | 2020-03-21 | 2020-07-17 | 江南大学附属医院 | Body cavity mirror system with adjustable camera shooting angle |
Citations (7)
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