CN100496635C - Endoscope-equipped puncture balloon - Google Patents
Endoscope-equipped puncture balloon Download PDFInfo
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- CN100496635C CN100496635C CNB2004800031979A CN200480003197A CN100496635C CN 100496635 C CN100496635 C CN 100496635C CN B2004800031979 A CNB2004800031979 A CN B2004800031979A CN 200480003197 A CN200480003197 A CN 200480003197A CN 100496635 C CN100496635 C CN 100496635C
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Abstract
A tool for safely and reliably securing a route for endermically approaching the interior of the body; more specifically, an endoscope-equipped puncture balloon that is designed to allow a balloon that does not immediately burst when punctured by a puncturing needle or the like to be used as a target, and that can be used by installing or inserting an endoscope in a tube holding such balloon. In a thin-walled main body tube (1) equipped with an endoscope-installed section at the rear end, a balloon (2) is disposed on the front surface thereof, and a branch tube (4) communicating with the interior of the balloon (2) in a gas-liquid flow manner is disposed on the main body tube (1), the branch tube (4) having a connector (5) annexed to the rear end thereof; thus, it is not until the liquid in the balloon (2) is absorbed without the balloon (2) immediately bursting when punctured by a puncturing needle (12) that a bore can be secured until the balloon (2) is contracted.
Description
Technical field
The present invention relates to a kind of balloons for puncture, be for safety, guarantee to be used for percutaneously introducing the instrument in intravital path reliably, can with form promptly use puncture needle etc. to puncture also not at once disruptive sacculus uses as purpose, can in the pipe that maintains this sacculus, install or insert endoscope simultaneously and use.
Background technology
At present, particularly as the method that gives nutrition through intestinal, 1979 by pediatric surgery doctor Gaudert and endoscopic surgical doctor Ponsky developed as use endoscope come skin surface at the inner chamber of stomach and stomach wall form the fistula hole endoscope one of operation percutaneous endoscopic stomach fistulation (PEG) (for example, refer to Patent Document 1), and then, the technology of this technology of having developed several application, and they are extensively popularized just gradually.But, because the coat of the stomach stomach wall that will puncture, so in the case of " accumulating the case that a large amount of ascites are arranged " " liver, transverse colon case between the harmonization of the stomach stomach wall ", " case that the stomach operation history is arranged " etc., can not use, or be difficult to use.
In addition, also have through nasally pipe being retained in the method for gastric, still when long-term the indwelling, the pain grow of nostril, nasal cavity, throat forms ulcer sometimes in the nostril, be difficult to continue to keep somewhere, and then, sometimes owing to being difficult to discharge sputamentum and concurrent pneumonia.This viewpoint from QOL is also not preferred.
And then, in 1993, developed the method that under X line perspective, forms the pars cervicalis esophagi fistula by people such as middle open countries.Placement method is through inserting the pipe with sacculus nasally in esophagus, inject the inner chamber expansion that contrast agent makes pars cervicalis esophagi in pars cervicalis esophagi in sacculus.Then, the pars cervicalis esophagi that percutaneously punctures under X line perspective is made the pars cervicalis esophagi fistula, keeps somewhere nutritive canal.This indwelling method is easy, and to patient's wound and painful lacking, control is useful for long-term nutrition, but this method only punctures under X line perspective, if carry out according to the anatomical configurations of cervical region, then has and follows dangerous probability.And then, pipe with sacculus uses foley's catheter (Foley catheter), judge by observing breaking of sacculus whether puncture needle arrives the esophagus inner chamber in when puncture, damage, the acupuncture that might cause the esophageal wall that the needle tip after breaking causes is shallow and cause puncture needle to break away from from esophageal wall.
On the other hand, in 1997, people such as the application's inventor Da Shi, improved people's such as middle open country the method that under X line perspective, forms the pars cervicalis esophagi fistula, method as the sacculus of puncture sacculus catheter, invented at external use ultrasonic probe and confirmed the sacculus position, simultaneously with puncture needle safety, the puncture method (for example, with reference to non-patent literature 1, non-patent literature 2) of sacculus reliably.But this method also method with people such as middle open country is the same, uses foley's catheter, still have damage, puncture needle that needle tip after sacculus breaks causes esophageal wall from esophageal wall break away from may.
Therefore, the present inventor has further improved the method that forms the pars cervicalis esophagi fistula, even by forming sacculus to the sacculus catheter that will puncture the also not disruptive sacculus that punctures, and by (for example making up special-purpose import tool, refer to Patent Document 2), be conceived to not use technology X-ray apparatus and endoscope, that implement at bedside, but meticulous operation such as operation that guide wire breaks away from from sacculus, the use that can not omit X-ray apparatus fully.
The flat 6-503243 communique of [patent documentation 1] special table
[patent documentation 2] international communique that discloses No. 99/36120
[non-patent literature 1] Da Shi, " about stomach fistulation, its adaptability and the serviceability of percutaneous " jss's will, 1997 through pars cervicalis esophagi.
[non-patent literature 2] Da Shi, " about stomach fistulation, its main points and the secondary damage of percutaneous " Japanese digestive appartus Society of Surgery will, 1997 through pars cervicalis esophagi.
Disclosure of an invention
The present invention is in view of the above fact and the invention that realizes, its purpose is, a kind of balloon for endoscope is provided, be for safety, guarantee to be used for percutaneously arriving the instrument in intravital path reliably, more particularly, be can with form promptly use puncture needle etc. to puncture also not at once disruptive sacculus uses as purpose, can in the pipe that maintains this sacculus, equip or insert endoscope simultaneously and use balloon for endoscope.
That is, the application's first invents and is,
(1) a kind of balloons for puncture of endoscope-equipped type, it is characterized in that, possess in the body tube of thin-walled of endoscope's installation portion in the rear end, be provided with sacculus on its surface, body tube is provided with the branched pipe that is communicated with gas-liquid flow earthing in the sacculus, and then set up the connector (adapter) that connects usefulness in the rear end of this branched pipe, and form when above-mentioned sacculus being punctured and can not break immediately, can guarantee that inner chamber is till making sacculus begin to shrink by the liquid in the attraction sacculus with puncture needle;
(2) as the balloons for puncture of above-mentioned (1) described endoscope-equipped type, above-mentioned sacculus, wall thickness are 0.01～1mm, and tensile strength is 8～25MPa, and 100% modulus is 3～6Mpa, elongation 300～460%, and sacculus is intrinsic pressure to be 2.8～75psi;
(3) as the balloons for puncture of above-mentioned (1) or (2) described endoscope-equipped type, above-mentioned body tube, having can be by the transparency of endoscopic observation sacculus inside;
(4) as the balloons for puncture of each described endoscope-equipped type of above-mentioned (1)～(3), the length from above-mentioned body tube front end or sacculus front end to endoscope's installation portion front end is smaller or equal to 50mm;
(5) as the balloons for puncture of each described endoscope-equipped type of above-mentioned (1)～(4), the total length longitudinally during above-mentioned inflation is configured in the position than the more forward side of endoscope's installation portion front end;
(6) as the balloons for puncture of each described endoscope-equipped type of above-mentioned (1)～(5), the sacculus installation portion of front at least is with being provided with like that with respect to the inboard that vertically is configured in sacculus of sacculus.
In addition, the application's second invents and is,
(7) a kind of balloons for puncture of endoscope-equipped type is characterized in that, comprising: the inner core that possesses the thin-walled of endoscope's installation portion in the rear end; Be enclosed within on this inner core outward, can move and possess the sliding cylinder of the thin-walled of sacculus along the direction of principal axis of endoscope on the surface; Be connected, set up the branched pipe of the connector that is connected usefulness in the rear end with gas-liquid flow earthing in this sacculus; And form when above-mentioned sacculus being punctured and can not break immediately, can guarantee that inner chamber is till making sacculus begin to shrink by the liquid in the attraction sacculus with puncture needle;
(8) as the balloons for puncture of above-mentioned (7) described endoscope-equipped type, above-mentioned sacculus, wall thickness are 0.01～1mm, and tensile strength is 8～25MPa, and 100% modulus is 3～6Mpa, elongation 300～460%, and sacculus is intrinsic pressure to be 2.8～75psi;
(9) as the balloons for puncture of above-mentioned (7) or (8) described endoscope-equipped type, above-mentioned inner core and sliding cylinder, having can be by the transparency of endoscopic observation sacculus inside;
(10) as the balloons for puncture of each described endoscope-equipped type of above-mentioned (7)～(9), sliding cylinder front end when sliding cylinder is retreated into portable terminal is to the length of the front end of endoscope's installation portion, length with front end from the inner core front end to endoscope's installation portion, all smaller or equal to 10mm, and be the length that sliding cylinder can not touch curvature section of endoscope when sliding cylinder is retreated into portable terminal;
(11) as the balloons for puncture of each described endoscope-equipped type of above-mentioned (7)～(11), on any one party or two sides of inner core and sliding cylinder, be provided with the retainer that retreats that when being pushed into foremost before with sliding cylinder, stoping or suppress this sliding cylinder with respect to inner core;
(12) as the balloons for puncture of each described endoscope-equipped type of above-mentioned (7)～(11), the sacculus installation portion of front is set to the inboard that vertically is configured in sacculus with respect to sacculus at least.
And then the 3rd of the application invents and is,
(13) a kind of balloons for puncture, it is characterized in that, it is the body tube that possesses sacculus in front end surface, this pipe have from the rear end connect to the endoscope of front end insert with tube chamber and with sacculus in the sublumen of gas-liquid circulation, the rear end of inserting with tube chamber in above-mentioned endoscope possesses endoscope insertion part, the operation connector that possesses inflation and contraction in the rear end of above-mentioned sublumen, and form when above-mentioned sacculus being punctured and can not break immediately, can guarantee that inner chamber is till making sacculus begin to shrink by the liquid in the attraction sacculus with puncture needle;
(14) as above-mentioned (13) described balloons for puncture, above-mentioned sacculus, wall thickness are 0.01～1mm, and tensile strength is 8～25MPa, and 100% modulus is 3～6Mpa, elongation 300～460%, and sacculus is intrinsic pressure to be 2.8～75psi;
(15) as above-mentioned (13) or (14) described balloons for puncture, above-mentioned body tube has can be by the transparency of endoscopic observation sacculus inside;
(16) as each described balloons for puncture of above-mentioned (13)～(15), the sacculus installation portion of the front at least of above-mentioned body tube is set to the inboard that vertically is configured in this sacculus with respect to above-mentioned sacculus;
(17) as each described balloons for puncture of above-mentioned (13)～(16), above-mentioned endoscope inserts the rearward end with tube chamber, is provided with membranaceous seal member, and this membranaceous seal member is provided with otch or hole.
Be equipped with the balloons for puncture of the present invention of endoscope by use, can make the path of the percutaneous that be used for various purposes safely and reliably to all tube chamber internal organs (esophagus, stomach, bile duct, ductus pancreaticus, intestinal, urinary catheter, bladder etc.).
The simple declaration of accompanying drawing
Below, specifically describe the present invention by figure.Fig. 1 is the sectional side view of balloons for puncture of endoscope-equipped type that becomes an embodiment of first invention, Fig. 2 has used other routine sectional side views to the body tube of the balloons for puncture of Fig. 1, Fig. 3 is the sectional side view of balloons for puncture of endoscope-equipped type that becomes other embodiment of first invention, Fig. 4 is the sketch map of an example of using method of the balloons for puncture of displayed map 1～Fig. 3, Fig. 5 is in the balloons for puncture of the endoscope-equipped type that becomes second embodiment who invents, sacculus is placed the sectional side view of the example of going-back position, Fig. 6 is the sectional side view of balloons for puncture of the endoscope-equipped type of Fig. 5, Fig. 7 is for showing Fig. 5, the balloons for puncture of second invention shown in Figure 6 inserts the sketch map of the example of esophagus inlet portion, Fig. 8 crosses the balloons for puncture expansion that the esophagus inlet portion inserts in Fig. 7 for demonstration makes, drawing the sketch map of the state of endoscope, Fig. 9 is presented at the sketch map that is punctured with the state of puncture needle on the balloons for puncture of Fig. 8, Figure 10 is the sectional side view that becomes the balloons for puncture of the 3rd embodiment who invents, Figure 11 is the sectional side view of other examples of the extension pipe (オ-バ-チ ユ-Block) in the balloons for puncture that shows Figure 10, and Figure 12 has Figure 10 for being used for explanation, the endoscope of Figure 11 inserts the sketch map with the occupation mode of the balloons for puncture of extension pipe.
The best mode that carries out an invention
At first, the puncture position of first invention is confirmed that the example of balloons for puncture of the endoscope-equipped type of usefulness describes.The balloons for puncture of first invention as shown in Figure 1, is made of body tube 1, sacculus 2, endoscope's installation portion 3, branched pipe 4, connector 5.
The body tube 1 of Fig. 1, for light-wall pipe and have 1 or inner chamber more than it, in the inner chamber one is an inflation with tube chamber 6, its front end inner chamber sealing and have side opening 6a at the balloon lumen split shed.In addition, body tube 1, form physique and insertion position, employed endoscope 10 essentially identical thicknesses with the patient, about its length, be preferably can not cause because of from the front end bent angle portion of endoscope in the scope of the elongated insertion reduction that causes of front end, making from the outstanding outstanding length of endoscope distal end is 50mm or below it, more preferably with sacculus at 30mm or below it.And then, body tube 1, under common room temperature and body temperature, flexibility and elasticity with appropriateness form material as it, use synthetic resin usually, preferably use for example flexible vinyl chloride resin, polyurethane resin, silicone rubber etc., be defined in these but have more than, in addition, preferably have and to observe the inner material of the transparency of degree like that of sacculus by endoscope.
In addition, in the present invention, as shown in Figure 3, when in body tube 1, forming 1 inner chamber, also be formed on the structure that directly disposes branched pipe 4 described later in the set sacculus 2 sometimes.If branched pipe 4 is formed structure shown in Figure 3, then can obtain to improve the flexibility of body tube 1 and not have the advantage of directivity etc., therefore preferred.
In addition, for the front end that improves body tube 1 to intravital insertion, obviously to carry out chamfer machining etc., and then, be not to cut into the right angle but form the shape of cutting off sideling to improve insertion because the pipe front end is formed, so be preferred (with reference to figure 2).
Sacculus 2 forms length 1～20cm, expansion footpath 5～200mm, wall thickness 0.01～1mm according to its difference of inserting the position.For example, under the situation that per nasal inserts, the sacculus wall thickness is such with what do not thicken as far as possible, for example is made as about 0.1～0.3mm, under the situation that esophagus is used, making length is about 3～10cm, and the footpath of expanding is about 30mm, under the situation that stomach is used, making length is 5～20cm, and the footpath of expanding is about 200mm.
In addition, formation material as sacculus 2, usually select synthetic resin, hardness JISA is that 20～80 degree, tensile strength are that 8～25MPa, tearing strength are that 20～60kg/cm, 100% film amount are that 3～6MPa, elongation are 300～460%, the material of the intrinsic pressure 2.8～75psi of being of sacculus, preferably use for example flexible vinyl chloride resin, polyurethane resin, silicone rubber etc., but be not limited only to these, also can be polyethylene, polyester and natural rubber latex etc.
In addition, using silicone rubber, natural rubber to wait in the situation that forms sacculus 2, because in the moment of utilizing its elasticity puncture puncture needle, sacculus 2 might break, so make in the sacculus 2 by impregnation, lamination and to form nylon screen etc., perhaps painting synthetic resin on the surface of sacculus 2 or the back side or multilamellar, the research of working hard is in order to avoid break in the moment of puncture puncture needle.
As an example, under the situation of the sacculus 2 when in esophagus, inserting with flexible vinyl chloride resin making per os, selected hardness is 60 degree, tensile strength is that 16MPa, tearing strength are that 45kg/cm, 100% film amount are that 4.5MPa, elongation are about 400% material, is made into about 2/3 the external diameter in the required footpath of expanding with the sacculus wall thickness about 0.1～0.3mm.Thus, after making sacculus 2 expand into required expansion footpath, in the puncture puncture needle is extracted then during pin,, intrinsic pressure in the sacculus use intrinsic pressure that liquid can be from the such appropriateness of pin base portion outflow because forming inflation.The molding of sacculus 2 can be shaped to required shape by the forming method of blow molding, dip molding, extrusion modling, compression forming etc.
In addition, installation method about sacculus 2, be preferably and shorten as described above as far as possible from the outstanding outstanding length of endoscope distal end, the sacculus installation portion 7 of the preferred front relative with body tube 1 at least is with installations of turning back like that of the inboard that is configured in sacculus 2, methods such as selection is bonding, fusion that it is installed.
Endoscope's installation portion 3, as long as can satisfy charge and discharge operations with endoscope 10 according to body tube 1 selected material, just can be with the rear end of body tube 1 itself as endoscope's installation portion 3, cooperate but also can distinguish suitably, for example, also be preferably as follows and state such unlike material that forms, promptly, body tube 1 selects the flexible vinyl chloride resin to prevent penetrating of puncture needle, and endoscope's installation portion 3 is selected silicone rubber in order to obtain flexibility.
Branched pipe 4, be to connect above-mentioned sacculus 2 and connector 5 described later in the mode that gas-liquid circulates, the parts of the liquid communication of be used in sacculus 2 expansions, shrinking, as long as flexibility and full intensity are arranged, just there is no particular limitation to materials used, is fit to use flexible vinyl chloride resin, polyurethane resin, silicone rubber etc.
Below, as an example of the using method of the balloons for puncture that utilizes first invention that Fig. 1, Fig. 2 illustrate, can enumerate and guarantee that percutaneously the insertion route method from the cervical region to the esophagus describes.As shown in Figure 4, front end in the endoscope 10 that top digestive appartus usefulness, bronchus usefulness or other purposes are used, endoscope's installation portion 3 of balloons for puncture 2 is installed, per os inserts, and by being connected with the connector 5 of syringe 11 grades in advance, injects normal saline etc. in the position of crossing esophagus inlet portion 13, sacculus 2 is expanded, and then in order to ensure the site of puncture broad, traction endoscope 10 uses by body surface and is attached to the position that ultrasonic probe on the cervical region is confirmed sacculus 2.
And then, firmly pushing ultrasonic probe and form thyroid, trachea, tremulous pulse, vein etc. with respect to the isolating state in sacculus 2 left and right sides, aiming sacculus 2 thrusts puncture needle 12 under this state.In the moment of thrusting puncture needle 12, sacculus 12 does not break, does not shrink, and looks like to confirm that with endoscopic images and ultrasound wave the front end of puncture needle 12 is positioned at the inside of sacculus 2 really.
Then, insert the guide wire (figure does not show) of necessary amount, take out puncture needle 12 from the end of puncture needle 12.Endoscope 10 and balloons for puncture 2 are pushed, Yi Bian draw, make it from sacculus 2, to break away from towards the direction of stomach side guide wire on one side simultaneously.Then, the normal saline that utilizes syringe 11 to draw in the sacculus 2, this sacculus 2 is shunk, endoscope 10 is returned to esophagus top, and utilize endoscope 10 to observe affirmation on one side, on one side from the terminal dilator (figure does not show) that inserts with sheath of guide wire, make the site of puncture expansion, by only taking out dilator, guarantee to intraesophageal path with this.Thus, can insert suitable conduit later on.
Employed position of balloons for puncture of the present invention and method, arrive the method for above-mentioned explanation in intraesophageal introducing path except making percutaneously from cervical region, by the size or the material of appropriate change, the employed endoscope 10 of selection, balloons for puncture 2, puncture needle 12 and other guide wires, dilator, sheath, can guarantee to be used for percutaneously importing to the safe and reliable path of all tube chamber internal organs (esophagus, stomach, bile duct, intestinal, urinary catheter, bladder etc.).
Then, the puncture position of second invention is confirmed that the balloons for puncture of the endoscope-equipped type of usefulness describes.The balloons for puncture of second invention, as Fig. 5, shown in Figure 6, be that the biplate type that body tube 1 with first invention forms inner core 21 and the sliding cylinder 22 that sacculus 2 is installed on the leading section that is installed in endoscope 10 forms, in illustrated example, by inner core 21, surface with endoscope's installation portion 3 be equipped with the sliding cylinder 22 of sacculus 2 and branched pipe 4, connector 5 constitutes.
With inner core 21 integrated endoscope's installation portion 3, in order to be not easy to come off from endoscope 10, and for can be on the contrary because chimeric tension and not cause damage to endoscope 10, the preferred material that uses with appropriate flexibility.So long as satisfy the material of this condition, just there is no particular limitation, particularly preferred example such as thermoplastic elastomer (TPE), various rubber.
Sliding cylinder 22 is cylinder molding product of thin-walled, and the non-resistance ground that can make progress in front and back is enclosed within movably on the above-mentioned inner core 21, is provided with sacculus 2 from the teeth outwards.In order when inserting endoscope, not reduce its property inserted, front position when making sliding cylinder 22 retreat into portable terminal is configured in and the essentially identical position of the front end of inner core 21 (with reference to Fig. 5), and this moment, importantly its length should be the length that the back-end location of sliding cylinder 22 can not cause obstacle to the bending adjustment of endoscope distal end.
Here, in the inner chamber of sliding cylinder 22, be provided with and be used to avoid the retainer 23 that (with reference to Fig. 6) this sliding cylinder 22 retreats when sliding cylinder 22 is pushed into mobile front end.There is no particular limitation to the shape of retainer 23, and the projection of the front end that blocks inner core 21 for example can be set, and perhaps also can on inner core 21 projection be set in contrast, and chimeric ditch is set on sliding cylinder 22.In addition, retainer 23 is preferably the shape of the resistance to sliding that does not as far as possible produce inner core 21 and sliding cylinder 22.
Sliding cylinder 22, select to satisfy and same the requiring item, be suitable for the material of the installation of sacculus 2 and branched pipe 4 of above-mentioned inner core 1, for example optimization polycarbonate resin, Corvic, acrylic resin, ABS resin, polymethylpentene resin, polyamide, polyurethane resin, mylar, their polymer alloy.
Condition, material or the method for forming of the shape, size, wall thickness of the sacculus 2 in the balloons for puncture of second invention etc., the method for installing to endoscope etc. are identical with situation in the example of first invention recited above.Equally, also identical for branched pipe 4, connector 5 with the situation of example in first invention.
The balloons for puncture of above-mentioned second invention, by on the inner core 21 of the leading section of installing endoscope 10, the sliding cylinder 22 that sacculus 2 is installed can be set with being free to slide, make at sacculus 2 when the tube chamber internal organs insert, make above-mentioned sliding cylinder 22 retreat into last position, front can not stretched out very long from curved part of endoscope.Thus, just can not destroy the insertion to esophagus here, after sacculus 2 was crossed esophagus inlet portion 13 (with reference to Fig. 7), traction endoscope 10 was transformed into the position relation of Fig. 6 with the sacculus 2 and the front end of endoscope 10, observes puncture procedure easily.This be because, if front is stretched out longer from the bending section of endoscope 10, then can destroy insertion to esophagus, that works that it is avoided and by above-mentioned, on the other hand, if be with sacculus or sliding cylinder, can cause then that puncture procedure is difficult to observe, puncture endoscope and make the problem of its breakage etc., and that works in advance it is avoided by above-mentioned in endoscope distal end portion.Therefore, if the balloons for puncture of second invention, behind the regulation position (with reference to Fig. 7) of inserting the tube chamber internal organs, endoscope 10 retracts it (with reference to Fig. 8) by traction, and (with reference to Fig. 9) just can puncture no problemly.
Then, the example for the endoscope of the 3rd invention inserts the balloons for puncture of having extension pipe of usefulness describes with reference to Figure 10～Figure 12.As shown in figure 10, the extension pipe in the balloons for puncture of the 3rd invention is made of body tube 1, sacculus 2, connector 4.Body tube 1 is formed by light-wall pipe, have endoscope and insert tube chamber 5 and sublumen 6, this tube chamber 5 from its front end penetrate into the rear end, have the form that can make internal diameter that endoscope 10 comes in and goes out etc., character and the tube chamber that forms, this sublumen 6, the front end sealing, have the side opening 6a at the inner chamber split shed of sacculus 2, the rear end is communicated with above-mentioned connector 4, and inflation is come in and gone out in sacculus 2 inner chambers with liquid.In addition, for the chamfer machining of implementing at the front end of the body tube 1 of Figure 11 that is used to improve the property inserted, the shape of cutting sth. askew etc., also identical with the mode example of implementing above.
Above-mentioned body tube 1, though preferably guarantee to insert the internal diameter of employed endoscope and reduce external diameter as far as possible, that is, thin-walled preferably will be with the size of the degree design appropriateness that can not produce the occlusion obstruction that causes because of bending.Therefore, screen cloth that body tube 1 is set as multiple tube and buries resin, metal underground etc. also is one of preferred embodiment.The length of body tube 1 can be set arbitrarily according to the purpose position.In addition, body tube 1 has the flexibility and the elasticity of appropriateness under common room temperature, forms material as it, uses synthetic resin usually aptly, for example flexible vinyl chloride resin, polyurethane resin, silicone rubber etc., but the present invention is not limited only to this.
In addition, body tube 1 among the present invention, also preferably implement the lubricity processing in its periphery or inner chamber, example as its processing, except the coating of fluororesin or silicone oil to material mixed rubs etc., the coating of various halogen gels also is practical, the halogen gel, if consider its toxicity to human body, preferred collagen, polyvinylpyrrolidone, polyacrylamide etc.They are fixing to body tube 1, can utilize following method, that is, after these halogen gel coating that will be pre-formed solution are on conduit, utilize glutaraldehyde to carry out crosslinked method; After the monomer with these halogen gels is coated with, utilize polymerization initiator to carry out crosslinked method; To with the solution coat of the halogen gel after the degeneration of light reactant cross-linker on body tube 1, utilize rayed to carry out fixed method etc.And then body tube 1 preferably has under endoscope can be with the material of the transparency of the inside of observing sacculus 2.
The concrete example of the length of above-mentioned sacculus 2, expand footpath, wall thickness etc., same with the example of first invention recited above, second invention.The layer structure of the moulding material of this sacculus 2 and the physical property of the sacculus after the molding 2, mechanical property or sacculus 2 or concrete mode example, the method for forming, to loading and unloading of body tube 1 etc., all the example with top is identical.And then, about employed connector 3, also identical with above-mentioned example.
In addition, the body tube 1 of the 3rd invention, as described above, for endoscope is come in and gone out, connect to the rear end by its front end and make endoscope insert tube chamber 5, but when disposing, under the situation of the endoscopic procedure of needs attraction etc., in order to ensure the vacuum degree of front, in the rear end of endoscope's insertion tube chamber 5 membranaceous sealing 4 is set sometimes, this membranaceous sealing 4 is provided with otch or hole.Set hole or otch are arranged to the size than endoscope's 10 little circles, and its material is fit to use synthetic resin, and for example flexible vinyl chloride resin, polyurethane resin or silicone rubber etc. still are not subjected to these qualification.
Industrial utilizability
The present invention is equipped with the balloons for puncture of the present invention of endoscope by use as mentioned above, can Can to all tube chamber internal organs (esophagus, stomach, bile duct, ductus pancreaticus, intestines, urinary catheter, bladder etc.) safety By ground make to be used for various purposes through the path of skin, in addition, in the past because use X-ray apparatus The operation that must in operating room etc., be undertaken by a plurality of people, by the combination of endoscope and ultrasonic probe, 2 people and just can carry out at bedside.
Claims (14)
1. the balloons for puncture of an endoscope-equipped type, it is characterized in that, comprise body tube and branched pipe, this body tube is that the front surface is provided with sacculus, possesses the body tube of the thin-walled of endoscope's installation portion in rearward end, this branched pipe be with above-mentioned sacculus in the gas-liquid flow earthing be connected, set up the branched pipe of the connector that is connected usefulness in the rear end, above-mentioned sacculus forms, when it being punctured, can not break immediately, can guarantee that inner chamber is till this sacculus shrinks behind the liquid that is attracting in this sacculus with puncture needle;
The sacculus wall thickness is 0.01～1mm, and tensile strength is 8～25MPa, and 100% modulus is 3～6Mpa, elongation 300～460%, and sacculus is intrinsic pressure to be 2.8～75psi.
2. the balloons for puncture of endoscope-equipped type as claimed in claim 1, body tube has can be by the transparency in the endoscopic observation sacculus.
3. the balloons for puncture of endoscope-equipped type as claimed in claim 1, the length from body tube front end or sacculus front end to endoscope's installation portion front end is smaller or equal to 50mm.
4. the total length longitudinally the when balloons for puncture of endoscope-equipped type as claimed in claim 1, above-mentioned inflation is configured in the front side of endoscope's installation portion front end.
5. the balloons for puncture of endoscope-equipped type as claimed in claim 1, the sacculus installation portion of front is set to the inboard that vertically is configured in sacculus with respect to sacculus at least.
6. the balloons for puncture of an endoscope-equipped type is characterized in that, comprising: the inner core that possesses the thin-walled of endoscope's installation portion in rearward end; On front end surface, possess sacculus, outside be enclosed within on the above-mentioned inner core and be formed and make the sliding cylinder of the thin-walled that can move along the direction of principal axis of endoscope; And with above-mentioned sacculus in the gas-liquid flow earthing be connected, set up the branched pipe of the connector that is connected usefulness in the rear end; Above-mentioned sacculus forms, and can not break immediately when with puncture needle it being punctured, and can guarantee that inner chamber is till this sacculus shrinks behind the liquid that is attracting in this sacculus;
The sacculus wall thickness is 0.01～1mm, and tensile strength is 8～25MPa, and 100% modulus is 3～6Mpa, elongation 300～460%, and sacculus is intrinsic pressure to be 2.8～75psi.
7. the balloons for puncture of endoscope-equipped type as claimed in claim 6, inner core and sliding cylinder, having can be by the transparency in the endoscopic observation sacculus.
8. the balloons for puncture of endoscope-equipped type as claimed in claim 6, sliding cylinder front end when making sliding cylinder retreat into portable terminal is to the length of the front end of endoscope's installation portion, length with front end from the inner core front end to endoscope's installation portion, all smaller or equal to 10mm, and be the length that sliding cylinder can not touch curvature section of endoscope when making sliding cylinder retreat into portable terminal.
9. the balloons for puncture of endoscope-equipped type as claimed in claim 6 on any one party or two sides of inner core and sliding cylinder, is provided with the retainer that retreats that stops or suppress this sliding cylinder when being pushed into mobile front end with respect to inner core before with sliding cylinder.
10. endoscope as claimed in claim 6 adorns the balloons for puncture of the type of putting forth energy, and the sacculus installation portion of front is set to the inboard that vertically is configured in sacculus with respect to sacculus at least.
11. the balloons for puncture of endoscope's insert type, it is characterized in that, the body tube that possesses sacculus in front end surface, have from its rear end connect to the endoscope of front end insert with tube chamber and with sacculus in the sublumen of gas-liquid circulation, simultaneously above-mentioned endoscope inserts possesses endoscope insertion part in its back-end with tube chamber, sublumen possesses the expansion of above-mentioned sacculus and the connector that shrinkage operation is used in the rear end, above-mentioned sacculus forms, when it being punctured, can not break immediately with puncture needle, can guarantee that sacculus shrinks behind the liquid of inner chamber in attracting this sacculus till;
The sacculus wall thickness is 0.01～1mm, and tensile strength is 8～25MPa, and 100% modulus is 3～6Mpa, elongation 300～460%, and sacculus is intrinsic pressure to be 2.8～75psi.
12. the balloons for puncture of endoscope as claimed in claim 11 insert type, body tube have can be by the transparency in the endoscopic observation sacculus.
13. the balloons for puncture of endoscope as claimed in claim 11 insert type, the sacculus installation portion of front is set to the inboard that vertically is configured in this sacculus with respect to sacculus at least.
14. the balloons for puncture of endoscope as claimed in claim 11 insert type, insertion has been set up membranaceous seal member with the rearward end of tube chamber in endoscope, and this membranaceous seal member is provided with otch or hole.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22050/2003 | 2003-01-30 | ||
| JP2003022050 | 2003-01-30 | ||
| JP68551/2003 | 2003-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1744926A CN1744926A (en) | 2006-03-08 |
| CN100496635C true CN100496635C (en) | 2009-06-10 |
Family
ID=36139952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800031979A Expired - Fee Related CN100496635C (en) | 2003-01-30 | 2004-01-30 | Endoscope-equipped puncture balloon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100496635C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2709783C (en) * | 2007-12-18 | 2014-08-12 | Sumitomo Bakelite Co., Ltd. | Guide tube equipped with balloon for puncture |
| US9545263B2 (en) * | 2014-06-19 | 2017-01-17 | Limflow Gmbh | Devices and methods for treating lower extremity vasculature |
| JPWO2020017534A1 (en) * | 2018-07-17 | 2021-03-25 | 富士フイルム株式会社 | Composition for insertion assisting tube, insertion assisting tube, set of insertion assisting tube and endoscope, endoscope device, and method for manufacturing the insertion assisting tube. |
-
2004
- 2004-01-30 CN CNB2004800031979A patent/CN100496635C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1744926A (en) | 2006-03-08 |
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Granted publication date: 20090610 Termination date: 20220130 |