CN102920487B - Through scope crosspointer puncture instrument - Google Patents
Through scope crosspointer puncture instrument Download PDFInfo
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- CN102920487B CN102920487B CN201210428752.9A CN201210428752A CN102920487B CN 102920487 B CN102920487 B CN 102920487B CN 201210428752 A CN201210428752 A CN 201210428752A CN 102920487 B CN102920487 B CN 102920487B
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Abstract
The invention discloses a kind of through scope crosspointer puncture instrument, it comprise can bent plastic tube, can crooked needle pipe, seal wire and auxiliary in pin; Can the main body of crooked needle pipe be positioned at can within bent plastic tube, can be made up of the needle point section be connected and needle body section by crooked needle pipe, the diameter of needle point section is greater than the diameter of needle body section; In auxiliary, pin is positioned at the pipe of described needle point section, and in auxiliary, the diameter of pin is less than the internal diameter of described needle point section; Seal wire penetrates in needle tubing, and the far-end of seal wire is fixedly connected with the inwall of auxiliary interior pin.The present invention is that one has two lancet design, and the diameter of the needle point section of needle tubing is larger than the diameter of needle tube body section.Experiment proves, the present invention punctures satisfactory for result, is especially applicable to obtaining large tissue specimen, reducing the hardness of puncture needle body section, meanwhile, not needing to extract seal wire completely, high degree handled easily when also operating.The present invention is applicable to digestive tract ultrasonic endoscope, trachea ultrasonic endoscope and non-ultrasonic endoscopic puncture and injection.
Description
Technical field
The present invention relates to a kind of through scope puncture instrument, be especially applicable to, through the fine needle biopsy of the ultrasonic endoscope of digestive tract and trachea and through bronchoscope biopsy, belonging to technical field of medical instruments.
Background technology
Be a kind of Wicresoft's Clinics completed through scope working clamp road through scope puncture technique, although belong to senior endoscopic technic, over nearly 30 years, obtain ripe development in the whole world.This technology is the diagnosis specimen realizing obtaining cell, tissue, liquid by puncture, also can carry out tapping treatment, can also realize the object of injection for curing.The scope of used puncture at present, comprise the puncture of ultrasonic endoscope and non-ultrasonic endoscope (i.e. common scope) substantially, wherein, according to the difference of the application & design in Different Organs, be specifically related to through tracheascope puncture, through the puncture of trachea ultrasonic endoscope, through digestive endoscopy puncture, through digestive tract ultrasonic endoscope puncture etc.
China publication CN200580051293.5 relate to one " sample collection method of endoscopic therapeutic device and biological tissue's analysis process system and fabric analysis process ", is a kind of tubulose puncture needle through endoscopic forceps channel.
US Patent No. 7641638B2 relates to a kind of through scope puncture instrument, and adopt syringe pump, puncture needle tubing, seal wire to share the design of unique passage, its metal needle tubing and plastic tube are connected at the far-end of plastic tube, are easier to lateral bending to its needle tubing section far away.
US Patent No. 4966162 relates to a kind of endoscopic instruments, having a vertical people having a common goal, for connecting syringe, being sampled by cytology brush in side, needle tubing control zone.The serial puncture needle patent US4791937 that this inventor is correlated with, US7147607B2, US7204812B2, its lancet design is all just applicable to the puncture through tracheascope.
US Patent No. 7981052B2 relate to a kind of under endoscopic mucosal biopsy needle, its innovation is adopting the needle point of pin in a kind of assisting to be easy to thrust relating to of tissue with needle point.
The common feature of existing puncture needle product is that needle tubing only has 1, the caliber of needle point is consistent with needle tube body section diameter, and its problem is that puncture needle diameter is larger, and the resistance of the operation of needle tubing in pincers road is larger, successful operation rate is lower, this strongly limits the range of application of puncture needle product.
Summary of the invention
The object of this invention is to provide a kind of can be used for the Diagnosis and Treat such as biopsy, biopsy cells, drawing liquid, drug injection through scope crosspointer puncture instrument.The present invention punctures satisfactory for result, is especially applicable to obtaining large tissue specimen; Other design of threading a needle that the hardness of the needle tube body section of puncture needle compares equivalent diameter is much smaller, and this makes needle tubing reducing with operation resistance during pincers road flexing; Meanwhile, do not need in operating process completely seal wire to be extracted in needle tubing.In art, patient can implement biopsy or cell Needle aspiration by unrestricted choice.High degree of the present invention simplifies puncture procedure, improves processing safety, is both applicable to digestive tract ultrasonic endoscope, is also applicable to trachea ultrasonic endoscope, is also applicable to through the endoscopic puncture of conventional non-super sound and injection.
Object of the present invention can be reached by following measures:
A kind of through scope crosspointer puncture instrument, it comprise can bent plastic tube, can crooked needle pipe, seal wire and auxiliary in pin; Described can the main body of crooked needle pipe be positioned at can within bent plastic tube and its diameter be less than can the internal diameter of bent plastic tube, describedly can be made up of the needle point section be connected and needle body section by crooked needle pipe, the far-end of needle point section has needle point and the diameter of needle point section is greater than the diameter of needle body section, described needle point section can pass described can the far-end of bent plastic tube; Described auxiliary in pin main body or be all positioned at the pipe of described needle point section, in auxiliary needle distal there is needle point and auxiliary in the diameter of pin be less than the internal diameter of described needle point section; Described seal wire penetrates in needle tubing, and the far-end of seal wire is fixedly connected with the inwall of auxiliary interior pin, and described auxiliary interior pin can all or part of far-end passing described needle point section by the control of seal wire.
Described can bent plastic tube, its material source, comprises polyethylene, politef, functional high molecule material, composite containing plastics; Plastic tube length can need according to the difference for bronchoscope, digestive endoscope etc. and process different preferred lengths.Can the effect of bent plastic tube be formed needle tubing and internal instrument thereof in pincers road safety, smooth and easyly to pass through.
Described can crooked needle pipe, its diameter can existing can in the scope of crooked needle pipe, concrete as 17g-25g(g be that unit gauge writes a Chinese character in simplified form, in full together).Can crooked needle pipe be positioned at can bent plastic tube, it is can move freely in bent plastic tube.Can be connected to form by the needle body section be positioned at after the needle point section of far-end and apical segment by crooked needle pipe.Needle point section plays and thrusts tissue and the effect cut and organized.Can open by crooked needle pipe near-end.Can be connected needle tubing lever by crooked needle pipe near-end.The design of the present invention to needle tubing lever there is no specific requirement, as long as the movement of needle tubing can be controlled, can be preferably the cap nut structure etc. that a body portion has anti-slip veins, or be the fusiformis structure that there is anti-skidding striped on a surface, or other is easy to the design realizing hand-held.
Can crooked needle pipe, the length of its needle point section is generally 1cm – 6cm, preferred 3cm.The length of needle body section close to or slightly larger than can the length of bent plastic tube.Needle point section is connected with needle tubing section (i.e. needle body section) afterwards, but two sections of diameter differences, the diameter of needle point section is slightly larger than needle body section, therefore the preferred gradual change of the diameter of needle point section is to needle body section diameter, namely be fixedly connected with by mild Diameter Gradual Change formula between needle point section and needle body section, the inner chamber of junction is level and smooth.Such as, 19g puncture needle product, its puncture needle tip diameter is 19g, and length is 3cm, but the diameter of needle body section is 22g.In current city, the feature of product is that the diameter of whole needle tubing is homogeneous, and the diameter of needle tubing as whole in 19g, 22g and 25g pin is 19g, 22g and 25g respectively.Because scope all bends with body cavities when operating, therefore the pincers road of scope also bends, so the resistance of needle tubing movement in pincers road that diameter is larger is then larger, and this causes operating difficulties.Therefore, large diameter needle point section connects the needle body section of minor diameter, and while acquisition large volume tissue specimen, needle tube body section resistance is little, and handled easily person controls the apparatus being positioned at endoscopic forceps channel neatly.
Can crooked needle bobbin far-end needle point or auxiliary in the needle point of needle distal, can be sharp keen homogeneous inclined-plane, plane or irregular inclined-plane.The needle point of crooked needle bobbin can mainly play the effect cut and organized.In auxiliary, the needle point of pin is preferably homogeneous inclined-plane, and it mainly plays the effect of puncturing tissue.
Can crooked needle pipe, Ke Qian Dao Neisuiqian road bending and bending, and can move forward and backward, its material can be metal, or functional high molecule material, or composite, preferably adopts stainless steel material.
Can the far-end of bent plastic tube, can also be provided with airtight can bent plastic tube with can the Forward End Cap of crooked needle ligament, its effect be make tissue or liquid avoid entering can in bent plastic tube.
Described guidewire cross section can be circular, oval, semicircle or irregularly shaped, and the far-end of seal wire is time round end, sharp-pointed needle point or an inclined-plane.Seal wire is through needle tubing body, and far-end exceeds outside auxiliary interior pin proximal openings, and wire distal can flush with auxiliary interior needle distal farthest.Seal wire and auxiliary in pin and lacuna can be left between crooked needle pipe.Guidewire proximal can the seal wire control device of connection control seal wire, conveniently controls stretching out needle tubing or returning in needle tubing of seal wire.Seal wire control device can adopt conventional design, such as, can be one and insert the circular draw ring handled with finger, or a body portion has the cap nut structure of anti-slip veins, or be the shuttle handle structure that there is anti-skidding striped on a surface, or other is easy to the design of hand-held, or be connected to aspirator piston base etc.
Pin in auxiliary, is positioned at the pipe of needle tubing needle point section, and in auxiliary, the length of pin is less than or equal to the length of above-mentioned needle tubing needle point section, and in auxiliary, the diameter of pin is less than the internal diameter of needle tubing needle point section, can be greater than, be equal to or less than the diameter of needle tube body section.Further, in auxiliary, pin is tubular structure and has sharp-pointed bevel edge, and wire distal is positioned within auxiliary pin, and is fixed with one with it, seal wire and tubulose are assisted between the wall of interior pin has axial lacuna at least, and in auxiliary, the tube wall of pin can be provided with or not be provided with opening.Preferred: the needle point of the far-end of wire distal and auxiliary interior pin is inclined-plane, and the two in the same way, is beneficial to puncture; Guidewire cross section is " semicircle ", is beneficial to pin intracavity in assisting and forms larger space; Seal wire and the auxiliary interior junction of pin inwall and the needle point homonymy of needle tubing; In auxiliary, the opening of pin near-end is inclined-plane, can increase auxiliary interior pin intracavity and the mutual traffic space can bending needle tubing needle point section like this.
In a kind of preferred version, in concrete processing and implementation process, for the puncture needle of biopsy, its needle point segment length is 3cm, and in auxiliary, the length of pin is 1.5cm; In auxiliary, the extended greatest length outside needle tubing of pin is 1.5cm, can be retracted into needle point section and needle body section intersection in needle tubing; Can bend needle tubing needle point section diameter is 19g, and needle body section diameter is 21g, and in auxiliary, the diameter of pin is 21g, and the diameter of seal wire is 23g.
Further, the present invention also comprises Aided Design through scope crosspointer puncture instrument, as be connected to can bent plastic tube near-end plastic tube handle, can bent plastic tube near-end outer and control can the bent plastics in-pipe of crooked needle Guan Ke needle tubing lever, can bent plastic tube near-end outer and control the seal wire control device of seal wire or be connected to can the aspirator (as aspirator etc.) of crooked needle bobbin body section proximal openings.Above-mentioned parts all can adopt usual design.Patent as other puncture instrument of the whole world is the same with product design, and the key playing function is the design of puncture needle, but not operating control device.
As preferably, herbal classic scope crosspointer puncture instrument can comprise V-type parts, and these V-type parts are connected with described plastic tube handle; V-type parts comprise wing passage part, straight passage portion and needle tubing coupling part, the interior tube chamber of wing passage part and straight passage portion is intersected in needle tubing coupling part, can the near-end of crooked needle pipe pass in needle tubing coupling part, can the near-end of crooked needle pipe be fixedly connected with a hand-held lever, the end of described straight passage portion is provided with the interface or adapter that are connected with aspirator; The end of described wing passage part is provided with the plastic closures for closed side channel lumen, and seal wire from intracavity pass-out in wing passage, and is fixedly connected with a seal wire handle.Seal wire handle design is long 2.5cm preferably, wide 1.5cm, flat dumbbell shaped (these V-type parts further illustrate can with reference to 201210362764.6).
Needle tubing design of the present invention, when operating, is different from conventional puncture needle and method, utilizes the seal wire of pin and inside thereof in assisting to complete during puncture, and tissue cutting then main dependence can bend the needle point section of needle tubing.When puncture completes, then return seal wire and auxiliary interior pin thereof.Then spot-check needle tubing, namely realize cutting and organizing.Generally, cut organizes automatic safety in needle point section, if be aided with negative pressure-pumping from needle tubing proximal openings, then has more tissue and serosity sample specimen in small, broken bits to enter in needle point.In piercing process, only need the position by seal wire control device, seal wire being retracted into 1cm – 3cm in needle point section, after not needing that seal wire is all extracted needle tubing, just aspirate sampling.
Beneficial effect of the present invention:
Crosspointer piercing scheme of the present invention can meet the needs of any ultrasonic endoscope mediation of digestive tract and trachea, also can be used for the pincers road through non-ultrasonic endoscope, realize direct-view lower puncture dark biopsy, submucosal injections, intravascular drug injection etc., comprise and puncturing through direct-view tracheascope, gastroscope, large intestine mirror, enteroscope, choledochoscope and duodenum lateral telescope Deng Qian road.
The present invention is crosspointer piercing scheme, changes traditional needle tubing and the diameter proportion of needle point, have also been changed traditional seal wire and the relation of needle tubing.The present invention punctures satisfactory for result, is especially applicable to obtaining large tissue specimen.Other puncture needle that hardness due to the needle tube body section of puncture needle compares equivalent diameter is much smaller, this make needle tubing with pincers road flexing time operation resistance reduce.The needle body section far away of needle tubing is little due to diameter, and be easier to lateral bending, aspect puncture needle is by the wing passage of scope.
When lancet design of the present invention meets suction not needs extract seal wire and be connected auxiliary in pin.This is different from conventional puncture needle and method, do not need seal wire all to be extracted rear just suction sampling, meet and seal wire is return in needle tubing, puncture sampling or drawing liquid can be carried out, greater ease of operation program, decreases the generation of the accident such as cross-contamination, medical worker's unexpected injury.Seal wire is retained in needle tubing, and the vessel inner blood with normal pressure can be avoided to shunt in needle tubing.The a large amount of blood being drawn into aspirator are easy to solidify in aspirator and needle tubing, and therefore affect operation.The sample being rich in blood extracted, the erythrocyte in the full visual field under microscope can be caused, impact diagnosis.Although seal wire is placed in needle tubing, during for tapping, as extracted pancreas surrounding liquid through duodenum or extracting liquid in cystic pancreatic disease, its open needle tubing internal channel, meet quick, a large amount of drain completely.
The present invention is biopsy the most easy to implement, and its auxiliary interior pin can be utilized as cell puncture suction needle simultaneously.When operating, biopsy can be selected or completed cell puncture suction.Such as, it is 19g that selection can bend needle tubing needle point section diameter, and needle body section diameter is 21g, and in auxiliary, the diameter of pin is 21g, and the diameter of seal wire is 23g, and puncture Shi Qian road resistance is little, easily can obtain the tissue specimen of larger volume, can reduce the incidence rate of false negative diagnoses.If think and only need cell to aspirate, then only puncture with auxiliary interior pin.
The present invention is that one has two lancet design, and the diameter of the needle point section of needle tubing is larger than the diameter of needle tube body section.Experiment proves, the present invention punctures satisfactory for result, is especially applicable to obtaining large tissue specimen, reducing the hardness of puncture needle body section, meanwhile, not needing to extract seal wire completely, high degree handled easily when also operating.The present invention was both applicable to digestive tract ultrasonic endoscope, was also applicable to trachea ultrasonic endoscope, was also applicable to through the endoscopic puncture of conventional non-super sound and injection.
In a word, crosspointer piercing scheme of the present invention has outstanding novelty, and more used have obvious superiority through digestive endoscope with through tracheascope puncture instrument.High degree of the present invention simplifies puncture procedure, improves success rate and the safety of operation, more simple to the training of operator and assistant, is conducive to extensively universal.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is a kind of structural representation of tip portion of the present invention.
Fig. 3 is the another kind of structural representation of tip portion of the present invention.
In figure, pin in 1-is auxiliary, 2-can crooked needle pipe, 3-seal wire, and 4-can bent plastic tube, 5-plastic tube handle, 6-V type parts, 7-seal wire handle, 14-Forward End Cap.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
Embodiment 1
As shown in Figure 1, herbal classic scope crosspointer puncture instrument comprise can bent plastic tube 4, can crooked needle pipe 2, seal wire 3 and auxiliary in pin 1.Wherein can bent plastic tube 4 as outer protection pipe, its length can need according to the difference for bronchoscope, digestive endoscope etc. and be processed into different length, its formation can crooked needle pipe 2 and internal instrument thereof in pincers road safety, smooth and easyly to pass through.
Can the main body of crooked needle pipe 2 be positioned at can within bent plastic tube 4 and its diameter be less than can the internal diameter of bent plastic tube 4, it, can move freely in bent plastic tube, adopts stainless steel material in the present embodiment.Can crooked needle pipe overall diameter within the scope of 17g-25g, also can adjust within the scope of other as required.Can be made up of the needle point section be connected and needle body section by crooked needle pipe 4, the far-end of needle point section has needle point and the diameter of needle point section is greater than the diameter of needle body section, described needle point section can pass described can the far-end of bent plastic tube 4.The length of needle point section is generally 1cm – 6cm, and be fixedly connected with by mild Diameter Gradual Change formula between needle point section and needle body section, the inner chamber of junction is level and smooth.The needle point of needle distal adopts sharp keen homogeneous inclined-plane further.
Can the far-end of bent plastic tube 4, can also be provided with further airtight can bent plastic tube with can the Forward End Cap (as 23 in 14 in Fig. 2 and Fig. 3) of crooked needle ligament, its effect be make tissue or liquid avoid entering can in bent plastic tube.
Assist the main body of interior pin 1 or be all positioned at the pipe of needle point section, in auxiliary, needle distal has needle point and assists the diameter of interior pin to be less than the internal diameter of described needle point section; In auxiliary, the length of pin is less than or equal to the length of needle point section, in auxiliary, pin can be tubular structure and have sharp-pointed bevel edge further, seal wire 4 penetrates in needle tubing, the far-end of seal wire 4 is fixedly connected with the inwall of auxiliary interior pin 1, seal wire and tubulose are assisted between the wall of interior pin has axial lacuna at least, and in auxiliary, pin 1 can all or part of far-end passing described needle point section by the control of seal wire 4.
Seal wire is through needle tubing body, and far-end exceeds outside auxiliary interior pin proximal openings, and wire distal can flush with auxiliary interior needle distal farthest.Seal wire and auxiliary in pin and axial lacuna can be left between crooked needle pipe.
In fig. 2, the needle point of the far-end of wire distal and auxiliary interior pin is inclined-plane, and the two in the same way, is beneficial to puncture; Seal wire 3 cross section can be circular, oval, semicircle or irregularly shaped, preferably adopts " semicircle ", is beneficial to pin intracavity in assisting and forms larger space; Seal wire and the auxiliary interior junction of pin inwall and the needle point homonymy of needle tubing.
Adopt the far-end of seal wire and auxiliary interior pin to be inclined-plane in Fig. 2, and be positioned at same plane; The structure of the needle point homonymy of the wall that seal wire attaches and needle tubing; In wherein auxiliary, pass in the control lower part of seal wire can the far-end of crooked needle pipe for pin.
And in Fig. 3, the opening of auxiliary interior pin near-end is inclined-plane, guidewire cross section is " semicircle ", in assisting, pin intracavity forms larger space, and the far-end of seal wire adopts a round end; In auxiliary, the near-end of pin is inclined-plane, and seal wire is fixed on the tube wall of the protrusion on this inclined-plane.In auxiliary, pin is retracted into the needle point intrasegmental part of needle tubing under the control of seal wire.
Herbal classic scope crosspointer puncture instrument can comprise other accessories further, as be connected to can bent plastic tube near-end plastic tube handle, can bent plastic tube near-end outer and control can the bent plastics in-pipe of crooked needle Guan Ke needle tubing lever, can bent plastic tube near-end outer and control the seal wire control device of seal wire or be connected to can the aspirator of crooked needle bobbin body section proximal openings.These accessories can adopt conventional design.A kind of design is wherein as the plastic tube handle 5 in Fig. 1, V-type parts 6 and seal wire handle 7.
These V-type parts 6 are connected with plastic tube handle 5; V-type parts 6 comprise wing passage part, straight passage portion and needle tubing coupling part, the interior tube chamber of wing passage part and straight passage portion is intersected in needle tubing coupling part, can the near-end of crooked needle pipe pass in needle tubing coupling part, can the near-end of crooked needle pipe be fixedly connected with a hand-held lever, the end of described straight passage portion is provided with the interface or adapter that are connected with aspirator; The end of described wing passage part is provided with the plastic closures for closed side channel lumen, and seal wire from intracavity pass-out in wing passage, and is fixedly connected with a seal wire handle 7.
Accessory also can adopt other to design, one is inserted manipulation circular draw ring with finger is can be as seal wire control device can adopt, or a body portion has the cap nut structure of anti-slip veins, or be the shuttle handle structure that there is anti-skidding striped on a surface, or other is easy to the design of hand-held, or be connected to aspirator piston base etc.As needle tubing lever can be the cap nut structure that a body portion has anti-slip veins, or be the fusiformis structure that there is anti-skidding striped on a surface, or other is easy to the design realizing hand-held.
Embodiment 2:
The pancreas puncturing tissue Biopsy apparatus guided through EUS and operational approach:
(1) specification of puncture needle apparatus is: can crooked needle pipe range 160cm, and can the needle point section diameter of crooked needle pipe be 19g, needle body section diameter be 21g, and pin diameter 21g in auxiliary, seal wire diameter is 23g, and can bend needle tubing ratio can bent plastics pipe range 8cm.Needle point segment length is 3cm, and in auxiliary, the length of pin is 1.5cm; In auxiliary, the extended greatest length outside needle tubing of pin is 1.5cm.
(2) scope is inserted to duodenum and after establishing site of puncture, inserting through pincers road can bent plastic tube, to site of puncture, and doctor one hand mirror, another hand operated syringe handle and seal wire handle can be assisted simultaneously, or help syringe handle and the seal wire handle of hand operated V-type parts.Utilize the strength of seal wire, auxiliary interior pin is thrust in tissue together with seal wire.
(3) advance auxiliary interior pin to the object degree of depth together with seal wire.Aspirator is preferably in negative pressure state, and condition of negative pressure is the suction space of 5mL, before aspirator piston fixes negative pressure, and the air of reserved 2mL.Then seal wire is return 1.5cm in needle tubing, in conjunction with the strength of vacuum suction, doctor or assistant firmly can bend needle tubing lever with hand-held, insert outer pin, outer pin is interted 3-5 time in object tissue, generally namely completes the tissue samples of large volume.
(4) can crooked needle pipe be recovered to can in bent plastic tube, and fixingly can bend needle tubing, then can extract from endoscopic forceps channel by bent plastic tube.
(5) push aspirator piston, utilize air to discharge specimen in needle tubing; Or inject normal saline with 1-3mL syringe through needle tubing; Or discharge specimen with derivation silk to needle tubing far-end.Conventional microscope slide or sample collection bottle make a collection of specimens.Different sample processing methods, can select directly freezing, also can use conserving liquid process, and conventional specimen preserving liquid or treatment fluid are 90% ethanol, normal saline, formalin solution etc.The detecting and assessings such as specimen transfer cytology, histology, inspection.
(6) again complete aforesaid operations and carry out aspiration biopsy biological cells and tissues specimen.Biopsy number of times normal 1-10 time not etc., veteran puncture doctor only needs can obtain for 2-4 time the specimen realizing diagnosing.
Embodiment 3:
Lymphoglandulae tracheales biopsy through trachea scope ultrasonic guidance:
(1) specification of puncture needle apparatus is: can crooked needle pipe range 80cm, and can the needle point section diameter of crooked needle pipe be 19g, needle body section diameter be 21g, and pin diameter 21g in auxiliary, seal wire diameter is 23g, and can bend needle tubing ratio can bent plastics pipe range 8cm.Needle point segment length is 3cm, and in auxiliary, the length of pin is 1.5cm; In auxiliary, the extended greatest length outside needle tubing of pin is 1.5cm.
(2) according to lymphoglandulae tracheales distribution collection of illustrative plates, after scope is inserted to object site of puncture, inserting through pincers road can bent plastic tube, to site of puncture, with can being fixed on optimum length position (as apart from front tooth 35cm place) by bent plastic tube by bent plastic tube external fixator.Doctor one hand mirror, can assist another hand operated to be positioned at syringe handle and the seal wire handle of V-type parts simultaneously.Or help syringe handle and the seal wire handle of hand operated V-type parts.
Following steps walk with embodiment 2 3-6.
Although here described by certain or some particular arrangement and illustrate the present invention, but its object do not lie in the described details of restriction, because various amendment and structure modify may be had within the scope of patent requirements, do not depart from invention spirit.
The present invention relates to the part prior art that maybe can adopt all same as the prior art to be realized.
Claims (6)
1. through a scope crosspointer puncture instrument, it is characterized in that it comprise can bent plastic tube, can crooked needle pipe, seal wire and auxiliary in pin; Described can the main body of crooked needle pipe be positioned at can within bent plastic tube and its diameter be less than can the internal diameter of bent plastic tube, describedly can be made up of the needle point section be connected and needle body section by crooked needle pipe, the far-end of needle point section has needle point and the diameter of needle point section is greater than the diameter of needle body section, be fixedly connected with by mild Diameter Gradual Change formula between described needle point section and needle body section, the inner chamber of its junction is level and smooth, described needle point section can pass described can the far-end of bent plastic tube; Described auxiliary in pin main body or be all positioned at the pipe of described needle point section, in auxiliary, needle distal has needle point and assists the diameter of interior pin to be less than the internal diameter of described needle point section, described auxiliary interior pin is tubular structure, its needle point is homogeneous inclined-plane, in auxiliary the length of pin be less than or equal to described can the length of crooked needle bobbin apical segment; Described seal wire penetrates in needle tubing, the far-end of seal wire is fixedly connected with the inwall of auxiliary interior pin, wire distal is an inclined-plane, the pinpoint inclined plane of this inclined-plane and auxiliary interior pin in the same way, the junction of seal wire and auxiliary interior pin inwall and the needle point homonymy of auxiliary interior pin, the cross section of seal wire is semicircle, and described auxiliary interior pin can all or part of far-end passing described needle point section by the control of seal wire.
2. according to claim 1 through scope crosspointer puncture instrument, it is characterized in that described can the diameter of crooked needle pipe be 17 gauge-25 gauge.
3. according to claim 1 through scope crosspointer puncture instrument, it is characterized in that described can the needle point of crooked needle bobbin far-end be homogeneous inclined-plane, plane or irregular inclined-plane, described auxiliary in the needle point of needle distal can be replaced plane or irregular inclined-plane; The length of described needle point section is 1 cm – 6 cm.
4. according to claim 1 through scope crosspointer puncture instrument, it is characterized in that described can the far-end of bent plastic tube be provided with airtight can bent plastic tube with can the Forward End Cap of crooked needle ligament.
5. according to claim 1 through scope crosspointer puncture instrument, it is characterized in that this through scope crosspointer puncture instrument also comprise be connected to can bent plastic tube near-end plastic tube handle, can bent plastic tube near-end outer and control can the bent plastics in-pipe of crooked needle Guan Ke needle tubing lever, can bent plastic tube near-end outer and control the seal wire control device of seal wire or be connected to can the aspirator of crooked needle bobbin body section proximal openings.
6. according to claim 5 through scope crosspointer puncture instrument, it is characterized in that this comprises V type parts through scope crosspointer puncture instrument, these V type parts are connected with described plastic tube handle; V type parts comprise wing passage part, straight passage portion and needle tubing coupling part, the interior tube chamber of wing passage part and straight passage portion is intersected in needle tubing coupling part, can the near-end of crooked needle pipe pass in needle tubing coupling part, can the near-end of crooked needle pipe be fixedly connected with a hand-held lever, the end of described straight passage portion is provided with the interface or adapter that are connected with aspirator; The end of described wing passage part is provided with the plastic closures for closed side channel lumen, and seal wire from intracavity pass-out in wing passage, and is fixedly connected with a seal wire handle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428752.9A CN102920487B (en) | 2012-10-31 | 2012-10-31 | Through scope crosspointer puncture instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210428752.9A CN102920487B (en) | 2012-10-31 | 2012-10-31 | Through scope crosspointer puncture instrument |
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| CN102920487A CN102920487A (en) | 2013-02-13 |
| CN102920487B true CN102920487B (en) | 2015-10-28 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014125707A1 (en) * | 2013-02-15 | 2014-08-21 | オリンパスメディカルシステムズ株式会社 | Biopsy system |
| CN103690201B (en) * | 2014-01-13 | 2016-09-14 | 天津医科大学总医院 | Treadle type endoscope biopsy system and using method thereof |
| US11285301B2 (en) * | 2016-04-17 | 2022-03-29 | Acantha Medical, LLC | Device and method for single-handed access and insertion of an article |
| CN106073831A (en) * | 2016-06-01 | 2016-11-09 | 南京法迈特科技发展有限公司 | A kind of through scope aspiration biopsy, surface mucous movable detecting apparatus |
| CN107174316A (en) * | 2017-05-17 | 2017-09-19 | 洪玉才 | A kind of puncture outfit, tracheotomy device and Tracheostoma tracheotomy method |
| CN108685597B (en) * | 2018-06-26 | 2024-06-21 | 南京法迈特科技发展有限公司 | Ultrasonic puncture biopsy needle and use method thereof |
| CN113440231B (en) * | 2021-09-01 | 2021-12-21 | 中国医学科学院北京协和医院 | Ultrasonic puncture instrument capable of rotating for sampling |
| CN114601529B (en) * | 2022-04-16 | 2024-04-12 | 苏州大学附属第二医院 | Laparoscopic auxiliary forceps and laparoscopic surgical instrument |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2635118Y (en) * | 2003-08-12 | 2004-08-25 | 山东省交通医院 | Bicavity puncture needle |
| JP2005058431A (en) * | 2003-08-11 | 2005-03-10 | Olympus Corp | Puncturing needle |
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| JP4632887B2 (en) * | 2005-07-15 | 2011-02-16 | オリンパスメディカルシステムズ株式会社 | Endoscopic puncture needle |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005058431A (en) * | 2003-08-11 | 2005-03-10 | Olympus Corp | Puncturing needle |
| CN2635118Y (en) * | 2003-08-12 | 2004-08-25 | 山东省交通医院 | Bicavity puncture needle |
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