A kind of percutaneous trachea dilator
Technical field
This utility model belongs to medical instruments field, particularly, relates to a kind of percutaneous trachea dilator.
Background technology
The tracheotomy purpose is that (1) removes the lower respiratory tract block of secretion that a variety of causes causes.(2) remove the laryngemphraxis that a variety of causes causes, improve and breathe.(3) a variety of causes causes respiratory failure or respiratory arrest, needs pedestrian's construction machinery to breathe.Some incidence operation because oral intubation influences operation technique, needs the circulation of qi promoting pipe to cut.Tracheotomy usually needs emergency treatment clinically, needs the circulation of qi promoting pipe to cut or tracheal intubation patient and in time not handling, and directly causes death.Tracheotomy has two kinds of direct surgical incision and percutaneous tracheotomies, and the tracheotomy of domestic and international various report percutaneous has Wicresoft, little, the simple operation and other advantages of complication, and at present, multiple percutaneous tracheotomy technology has obtained extensive use clinical.
Several main percutaneous tracheotomy technology of clinical practice at present relatively
Since 1985, many research report open debates the have been arranged method of relevant percutaneous tracheotomy, because these technology all have common feature in the literature, have namely all used to enter endotracheal puncture needle and guide wire, all tracheotomy technology all are preced with in " percutaneous " tracheotomy.Percutaneous tracheotomy technology the most normal use be Griggs GWDF and Ciaglia PDT technology, and release recently through laryngotracheotomy and spiral-expanding device expansion technique.They are in the device design thinking, and technological innovation exists different difference with aspects such as thinking modeies.
1.1Ciaglia percutaneous expansion tracheotomy technology
1985, a Cardiac surgeon Pasquale Ciaglia of USA New York Elizabethan hospital, be subjected to Brantigan and Grow to encircle the enlightenment of first film incision technology and percutaneous renal puncture art apparatus, 7 multistage dilators have been developed, use the rig that Cook company provides, in 26 routine patient's successful implementations Ciaglia percutaneous expansion tracheotomy.Ciaglia had done further improvement again to his original sequence expansion apparatus in 1999, made it become single step Blue Rhino expansion apparatus, and dilator is made into the tapered hydrophilic dilator of a bending as blue Cornu rhinocerotis.The more original dilator of this dilator has plurality of advantages, comprising: scribble on single step dilator surface and have more elastic hydrophilic material, can implement single step expansion etc.
1.2Griggas percutaneous expansion tracheotomy technology
Nineteen ninety, Griggs has described a kind of percutaneous tracheaectasy technology of stretching pliers expansion.Griggs percutaneous expansion tracheotomy, use one the Howard Kelly curved forceps of improvement, after seal wire passes via the aperture on Howard Kelly expansion curved forceps top, stretching pliers is pushed ahead, and in entering trachea, two handss are opened stretching pliers to close and expanded, divide single step or the operation of two steps, at first expand soft tissue, expand trachea then, or the operation of two steps is once finished.
1.3Fantoni through larynx tracheotomy technology
1997, Fantoni described through laryngotracheotomy.This is a kind of new percutaneous tracheotomy technology, and catheter for tracheostomy is by involving outside trachea in the trachea, and the expansion and insert catheter for tracheostomy of falling back.Because its extroversion is made mouth, annulus trachealis is easy to separate, so wound is littler, complication has still less solved the many problems that influence in traditional tracheotomy technology and other percutaneous tracheotomy use.What use at present is Mallinckrodt TLT tool set and hard tracheascope guiding.Improvement Fantoni technology is the hard tracheascope to be changed into use the fiber tracheascope, inserts the J-shaped seal wire, uses small size endotracheal tube to place former air flue, gives patient ventilating during inserting catheter for tracheostomy.This technology is useful to severe hypoxia mass formed by blood stasis patient and the patient that predicts difficult difficult intubation or have neck to push away damage.
1.4 single step rotation expansion tracheotomy technology
2002, designed the up-to-date improved percutaneous trachea incision and dilation device tool of a kind of PercuTwist by R ü sch company.The percutaneous rotation dilator of design is similar to an automatic puncturing screw, at dilator puncture line one hydrophilic bag quilt is arranged, and does not need to enter trachea by the tracheal wall extension fixture, can good trachea is expanded.It is different with stretching pliers expansion trachea,
Dilator is along otch, can be at any time under endoscope's direct-view, simultaneously on the trachea lifted expand.That commonly used is Rusch in the market
Tool set.At present, this technology has been introduced China, and it as a kind of safe, effective, simply and tracheotomy technology fast, be used for Wicresoft's tracheotomy of critical patient.
1.5 sacculus formula percutaneous expansion tracheotomy
2003, Zgoda and Berger reported a kind of new percutaneous expansion tracheotomy: sacculus formula percutaneous expansion tracheotomy.And zoopery and clinical verification have been carried out in succession; Passed through the FDA authentication in 2007, by Cook (Cook Inc., Bloomington, IN, USA) company has released commodity with Ciaglia Blue Dolphin sacculus formula percutaneous expansion emergency airway kit (comprise that a head has intubation catheter and the dilator device of sacculus, Cook fills device, seal wire, implanting needle, TFE sheath catheter needle, cushion, 14Fr. dilator).Design a kind of sacculus that can be used for expanding, implemented the single step mode expansion.Must the full pressure of working pressure table monitoring during expansion.
Above percutaneous Tracheostoma tracheotomy method and material are external utility model, and its advantage is respectively arranged, and are suitable for use in circulation of qi promoting cannula patient, and relative conventional tracheotomies has Wicresoft, advantage that complication is few.Its weak point has: (1) operation relative complex, cut at circulation of qi promoting pipe not, and the unsuccessful patient's operation of tracheal intubation, and cause possibility of suffocating, should not be used for not the circulation of qi promoting cannula and need go the emergent tracheotomy patient.(2) can not accomplish quick tracheostomize.(3) the above-mentioned percutaneous incision method need bronchoscope that has carries out under assisting.(4) endotracheal tube has only air bag of front end, plays pre-anti-error suction effect, and the rear end does not have air bag, as thyroid cover trachea bad on, may cause the puncture position hemorrhage and need operations research.(5) import consumptive material price is expensive, is difficult to promote at home.
The utility model content
This utility model is the improvement to Ciaglia percutaneous expansion tracheotomy technology, Ciaglia percutaneous expansion tracheotomy technology is to use 7 multistage convergent divergent channels in early days, the ascending expansion, with the trachea fistulation, insert tracheal casing pipe through fistulization oral, shortcoming is repeatedly to expand, and the intact once pipe of every expansion back trachea wound blood flows into air flue along fistulization oral, has to cause the risk of suffocating.Ciaglia had done further improvement again to his original sequence expansion apparatus in 1999, make it become single step Blue Rhino expansion apparatus, dilator is made into the tapered hydrophilic dilator of a bending as blue Cornu rhinocerotis, because of dilator curved, inconvenience is exerted all one's strength in the practical operation, causes the puncture difficulty.
This utility model is the improvement at Ciaglia percutaneous expansion tracheotomy technology, for overcoming the deficiencies in the prior art, a kind of percutaneous trachea dilator are provided, can implement disposable expansion, easy to use during operation, can fast the wound on the trachea be expanded to the size of adaptation, thereby endotracheal tube is put into trachea, operation fast and safely.
The technical solution of the utility model is as follows: a kind of percutaneous trachea dilator comprise:
The syringe of the band trocar comprises syringe needle and is placed in syringe needle outer sleeve pipe and syringe tube, carries out carrying out puncture from trachea antetheca interannular after connecting water in the syringe tube, and pumpback sees that bubble confirms that syringe needle is positioned at trachea, transfers to syringe needle, indwelling casing tube;
Seal wire; The inner chamber of this seal wire and needle guard is complementary, and seal wire enters cannula cavity from the afterbody of sleeve pipe, and before be advanced into trachea inside, extract sleeve pipe along seal wire, seal wire one end is kept somewhere trachea inside, the other end is kept somewhere outside the trachea;
Dilator, described dilator has conical end and the tubular body of convergent, dilator inner chamber hollow also is complementary with described seal wire, seal wire enters trachea inside from the conical end of dilator, and the guiding dilator moves ahead the wound on the trachea outer wall is expanded, thereby enters trachea inside, when treating that wound is expanded to pre-sizing, extract dilator, seal wire one end is retained in trachea inside, the other end is kept somewhere outside the trachea;
Endotracheal tube, described endotracheal tube comprises tracheal intubation, be attached to the air bag and the interior bolt that is placed in the described tracheal intubation inner chamber of described tracheal intubation outer wall, bolt inner chamber in interior bolt inner chamber hollow, seal wire enter from interior bolt front end, and guide described endotracheal tube to enter trachea inside, bolt and seal wire in extracting, tracheal intubation one end is kept somewhere in trachea inside, and an end exposes outside trachea, finishes puncture.
The AL of the conical end of described dilator is 3~10cm.
Described conical end is connected by internal and external screw thread with described tubular body.
Described seal wire is J type head seal wire.
Dilator is coated with water wetted material outward, is convenient to expansion and can alleviates damage again.
The beneficial effects of the utility model are: in-vivo puncture and intubation device described in the utility model, can be easily the wound at gas official outer wall place be expanded to suitable size, and simple to operate, safety, surgery cost are lower, are suitable for applying.
Description of drawings
Fig. 1 a, the syringe of the band trocar that puncture described in the utility model is used
Fig. 1 b, the seal wire of in-vivo puncture and intubation device described in the utility model;
Fig. 1 c, the dilator of in-vivo puncture and intubation device described in the utility model;
Fig. 1 d, the endotracheal tube of in-vivo puncture and intubation device described in the utility model;
Fig. 2 a-2h has showed the use of in-vivo puncture and intubation device described in the utility model, wherein
Fig. 2 a is that the syringe of the band trocar described in the utility model punctures the trachea forearm and enters in the trachea;
Fig. 2 b is that sleeve pipe one end of in-vivo puncture and intubation device described in the utility model is kept somewhere in trachea;
The sleeve pipe of 2c in-vivo puncture and intubation device described in the utility model guides described seal wire to enter in the trachea;
Fig. 2 d is that seal wire one end of in-vivo puncture and intubation device described in the utility model is kept somewhere in the trachea, and an end stretches out extratracheal state diagram;
Fig. 2 e is that seal wire shown in Fig. 2 d guides the opening on the described dilator expansion tracheal wall;
Fig. 2 f is the state diagram after the dilator among Fig. 2 e is extracted along seal wire;
Fig. 2 g is that the endotracheal tube of in-vivo puncture and intubation device described in the utility model enters in the trachea through the seal wire guiding;
Fig. 2 h is retained in a described tracheal intubation part in the trachea for Fig. 2 g extracts described seal wire and described interior bolt, and another part stretches out extratracheal state diagram.
The specific embodiment
With reference to Fig. 1 a to 1d, a kind of in-vivo puncture and intubation device comprises: the syringe 10 of the band trocar comprises syringe needle 11 and is placed in syringe needle outer sleeve pipe 12 and syringe tube 13.Seal wire 20, the inner chamber of the external diameter of seal wire 20 and sleeve pipe 12 is complementary.Dilator 30, described dilator 30 have conical anterior 31 and circular cylinder shape body 32 of convergent, and dilator inner chamber 33 hollows also are complementary with the external diameter of described seal wire 20.Endotracheal tube 40, described endotracheal tube 40 comprises tracheal intubation 41, is attached to the air bag 42 of described tracheal intubation outer wall and is placed in interior bolt 43 in the described tracheal intubation inner chamber, interior bolt 43 inner chambers, 44 hollows also are complementary with the external diameter of described seal wire 20.
Fig. 2 a to 2g has shown the use of described in-vivo puncture and intubation device.
With reference to Fig. 2 a and 2b, to carry out carrying out puncture from trachea antetheca interannular after connecting water in the syringe tube 13 of described syringe 10, pumpback sees that bubble confirms that syringe needle 11 is positioned at trachea, removes syringe tube 13, transfers to syringe needle 11 Hes, indwelling casing tube 12.
Extract syringe needle 11, sleeve pipe is kept somewhere in trachea for 12 1 sections.
Then, with reference to Fig. 2 c and Fig. 2 d, described seal wire 20 1 ends along the afterbody of described needle guard 12 enter needle guard 12 inner chambers and before be advanced in the trachea, extract needle guard 12 along seal wire 20, seal wire 20 1 ends are kept somewhere in trachea, the other end stretches out outside the trachea.
With reference to Fig. 2 e and 2f, seal wire 20 stretches out an extratracheal end enters described dilator 30 from the conical front portion 31 of described dilator 30 inner chamber 33, and dilator 30 proceeds to puncture needle 10 and punctures trachea outer wall place under the guiding of seal wire, and this place is expanded.Because the conical anterior AL of described dilator 30 is 4cm, only need once expansion opening can be expanded to suitable size.Then, extract dilator 30, seal wire 20 1 ends are kept somewhere in trachea, the other end stretches out outside the trachea.
With reference to Fig. 2 g and 2h, described seal wire 20 stretches out the inner chamber 44 that an extratracheal end enters bolt 43 in the described endotracheal tube 40, guide described endotracheal tube 40 to enter in the trachea, extract seal wire 20 and interior bolt 43, tracheal intubation 41 parts are retained in the trachea, another part stretches out outside the trachea, finishes puncture.
Above content be in conjunction with concrete preferred implementation to further describing that this utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For this utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from this utility model design, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that this utility model is determined by claims of submitting to.