CN100413459C - Method for collecting/transporting a medical capsule and endoscopic apparatus for the method - Google Patents
Method for collecting/transporting a medical capsule and endoscopic apparatus for the method Download PDFInfo
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- CN100413459C CN100413459C CNB2006101055149A CN200610105514A CN100413459C CN 100413459 C CN100413459 C CN 100413459C CN B2006101055149 A CNB2006101055149 A CN B2006101055149A CN 200610105514 A CN200610105514 A CN 200610105514A CN 100413459 C CN100413459 C CN 100413459C
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Abstract
This endoscope device is provided with an endoscope (10) provided with an observation optical system (52) and a forceps port (58) at a tip part (44) of an insert part (12), a suction pump (51) communicated with the forceps port (58), and a roughly cylindrical hood member (200) installed on the tip part (44). As the suction pump (51) is actuated, the inside of the hood member (200) is sucked through the forceps port 58, and the medical capsule (220) is sucked to the hood member (200) to be held. The invention provided a method for collecting/transporting a medical capsule, capable of securely holding a medical capsule in a body cavity to be collected/transported, and an endoscope device used for that.
Description
Technical field
The present invention relates to recovery, the transport method of medical capsule and the endoscope apparatus that uses therein, relate in particular to recovery/transport method that in deep digestive tract such as small intestinal or large intestine, keeps medical capsule and recovery or conveyance and the endoscope apparatus that uses therein
Background technology
In recent years, in the field of medical endoscope, just developing the various built-in capsule type endoscopes of minicam.This capsule type endoscope can utilize by radio, so compare with the insertion section being inserted endoceliac endoscope, can alleviate patient's misery.
Yet the medical capsule of capsule type endoscope etc. will wait for that generally it is discharged to outside the body cavity naturally, but wishes to reclaim medical capsule at endoceliac assigned position.In addition, medical capsule is stuck in endoceliac narrow sometimes, in this case, needs to seek and keep medical capsule, reclaims or send the place ahead to narrow.And then, in recent years, wish endoceliac assigned position is arrived in the medical capsule conveyance, and begin to observe from its position.In such various uses, need in body cavity, keep medical capsule.
Therefore, just developing various endoscope apparatus with function that endoceliac medical capsule is kept.For example, the leading section of the endoscope apparatus of patent documentation 1 in the insertion section of endoscope has the peristome that attracts usefulness, attracts to keep medical capsule by this peristome.
Patent documentation 1: the spy opens the 2004-194976 communique
But, about patent documentation 1, owing to be generally medical capsule about 10mm, and be that the peristome of the very little attraction usefulness of 2～4mm adsorbs the maintenance medical capsule by internal diameter with respect to external diameter, so retentivity is very weak, medical capsule might come off.
In addition, about patent documentation 1, because the medical capsule that is kept is difficult to enter the field of view scope of endoscope, so be difficult to visuognosis, even medical capsule come off also discover less than, thereby have the problem must seek the medical capsule after coming off once again.
And, about patent documentation 1, because a display (scope) normally, go to reclaim or the conveyance medical capsule so be difficult to enter into gastral inside, deep such as small intestinal.
Summary of the invention
The invention that the present invention In view of the foregoing finishes just, its purpose be, provides can keep endoceliac medical capsule to reclaim or recovery, the transport method of the medical capsule of conveyance and the endoscope apparatus that uses therein infalliblely.
In order to reach described purpose, technical scheme 1 described invention is the recovery of medical capsule, transport method, it uses endoscope apparatus to keep medical capsule to reclaim or conveyance, described endoscope apparatus has endoscope, attract mechanism and the outer housing of tubular (hood) parts roughly, described endoscope has the observation portion of observing subject and the peristome that attracts usefulness at the leading section that is inserted in endoceliac insertion section, described attraction mechanism is communicated with the peristome of described attraction usefulness, the outer cover part of described roughly tubular is installed in the leading section of described insertion section, this recovery, transport method has following step: attract step, by making the work of described attraction mechanism, peristome via described attraction usefulness attracts, and makes the inside of described outer cover part become the attraction state; With the maintenance step, adsorb the described medical capsule of maintenance by the outer cover part that attracts in this attraction step.
Invention according to technical scheme 1, owing to attracting to make the inside of outer cover part become the attraction state via the peristome that attracts usefulness, keep medical capsule by this outer cover part absorption, so can attract the big outer cover part of peristome of usefulness to keep medical capsule by open area ratio.Thus, it is big that the retentivity of medical capsule becomes, and can keep medical capsule reliably.
In addition, according to the invention of technical scheme 1, owing to keep medical capsule with outer cover part, so the medical capsule that can come observation post to keep with the observation portion of endoscope.
In order to achieve the above object, technical scheme 2 described inventions are endoscope apparatus, and it has: endoscope, and it has the observation portion of observing subject and the peristome that attracts usefulness at the leading section that is inserted in endoceliac insertion section; Attract mechanism, its peristome with described attraction usefulness is communicated with; The outer cover part of tubular roughly, it is installed on the leading section of described insertion section; Wherein, described outer cover part has maintaining part, and when making the work of described attraction mechanism and attracting to make the inside of described outer cover part to become the attraction state via described attraction with peristome, described maintaining part absorption keeps medical capsule.
According to the invention of technical scheme 2, owing on outer cover part, be provided with the maintaining part of medical capsule, so can keep medical capsule by outer cover part.Thus, owing to can keep medical capsule reliably, so can prevent coming off of medical capsule.
In addition, according to the invention of technical scheme 2, owing to keep medical capsule with outer cover part, so the medical capsule that can come observation post to keep with the observation portion of endoscope.
Technical scheme 3 described inventions are in the invention of technical scheme 2, and the structure of described outer cover part is: enter at least a portion of described medical capsule under the state of inside of described outer cover part and keep.By keeping medical capsule like this under at least a portion of medical capsule enters the state of inside of outer cover part, it is big that its retentivity becomes, and can prevent coming off of medical capsule more reliably.
Technical scheme 4 described inventions are in the invention of technical scheme 2 or 3, and at least a portion of described outer cover part is transparent or semitransparent.Invention according to technical scheme 4, because at least a portion of outer cover part is transparent or semitransparent, so in the insertion process of seeking medical capsule, obtain the good visual field, even and keeping by outer cover part under the state of medical capsule, also can observe the outside of outer cover part by observation portion.
Technical scheme 5 described inventions are in each invention of record in technical scheme 2～4, have: first sacculus, and its swollen contracting freely, and be installed in the outer peripheral face of the leading section of described insertion section; Insert assistive device, it guides this insertion section to insert in body cavity by inserting described insertion section; With second sacculus, its swollen contracting freely, and be installed in the outer peripheral face of this insertion assistive device.
The invention of technical scheme 5 is endoscope apparatus of two sacculus formulas, by using the endoscope apparatus of this pair sacculus formula, can keep medical capsule in gastral inside in deeps such as small intestinals.
Technical scheme 6 described inventions are in each invention of record in technical scheme 2～5, form the curved face part corresponding with the curve form of described medical capsule by the front end inner peripheral surface at described outer cover part and constitute described maintaining part.
Invention according to technical scheme 6, because the front end inner peripheral surface at outer cover part forms the curved face part corresponding with the curve form of medical capsule, so the air-tightness of the state of attraction uprises, the connecting airtight property raising of outer cover part and medical capsule, the retentivity of medical capsule improves.Thus, can keep medical capsule reliably by the maintaining part of outer cover part.
Technical scheme 7 described inventions are in each invention of record in technical scheme 2～5, and described maintaining part is to form than other thin being configured of part by the leading section with described outer cover part.
Invention according to technical scheme 7, owing to form the leading section of outer cover part thinner, so the easy deflection of the front end of outer cover part even make under the outer cover part situation approaching with it obliquely with respect to medical capsule, also can be guaranteed the connecting airtight property of outer cover part and medical capsule.Thus, owing to the air-tightness under the attraction state of medical capsule uprises retentivity is improved, so can keep medical capsule reliably by the maintaining part of outer cover part.
Technical scheme 8 described inventions are in each invention of record in technical scheme 2～5, and described maintaining part is to be configured by the groove that forms circumferencial direction at the front end inner peripheral surface of described outer cover part.
Invention according to technical scheme 8, because the front end inner peripheral surface at outer cover part forms groove, so the easy deflection of the front end of outer cover part even make under the outer cover part situation approaching with it obliquely with respect to medical capsule, also can be guaranteed the connecting airtight property of outer cover part and medical capsule.Thus, owing to the air-tightness under the attraction state of medical capsule uprises retentivity is improved, so can keep medical capsule reliably by the maintaining part of outer cover part.
Technical scheme 9 described inventions are in each invention of record in technical scheme 2～5, and described maintaining part forms groove by the front end outer peripheral face at described outer cover part and constitutes.
Invention according to technical scheme 9, because the front end outer peripheral face at outer cover part forms groove, so the easy deflection of the front end of outer cover part even make under the outer cover part situation approaching with it obliquely with respect to medical capsule, also can be guaranteed the connecting airtight property of outer cover part and medical capsule.Thus, owing to the air-tightness under the attraction state of medical capsule uprises retentivity is improved, so can keep medical capsule reliably by the maintaining part of outer cover part.
According to the invention of technical scheme 10, by on outer cover part, forming axial groove, can obtain flexibility, can obtain appropriate rigidity by rib simultaneously.
According to the present invention, owing to attracting to make the inside of outer cover part become the attraction state, keep medical capsule by this outer cover part absorption via the peristome that attracts usefulness, so can keep medical capsule reliably, can prevent coming off of medical capsule.In addition, according to the present invention, owing to keep medical capsule by outer cover part, so the medical capsule that can come observation post to keep by the observation portion of endoscope.
Description of drawings
Fig. 1 is the system construction drawing of endoscope apparatus involved in the present invention.
Fig. 2 is the leading section of expression endoscope insertion part and the axonometric chart of outer cover part.
Fig. 3 is the leading section of expression endoscope insertion part and the profile of outer cover part.
Fig. 4 is the profile of leading section that expression is equipped with the endoscope insertion part of outer cover part.
Fig. 5 is the profile of the expression outer cover part approaching with respect to the medical capsule inclination.
Fig. 6 is the key diagram of the operational approach of expression endoscope apparatus involved in the present invention.
Fig. 7 is the profile of the outer cover part of expression and Fig. 4 different structure.
Fig. 8 makes the outer cover part of Fig. 7 approach the profile of medical capsule obliquely.
Fig. 9 is the profile of the outer cover part of expression and Fig. 7 different structure.
Figure 10 makes the outer cover part of Fig. 9 approach the profile of medical capsule obliquely.
Figure 11 is the axonometric chart of the outer cover part of expression and Fig. 2 different structure.
Figure 12 is the profile of the outer cover part of expression and Fig. 4 different structure.
Figure 13 is the profile of the outer cover part of expression and Figure 12 different structure.
Figure 14 is the axonometric chart of the outer cover part of expression and Fig. 2 different structure.
Figure 15 is the side view of the outer cover part of expression Figure 14.
Among the figure: 10-endoscope; The 12-insertion section; 14-hand-held portion; The 26-processor; The 50-monitor; The 51-suction pump; The 52-viewing optical system; The 58-forceps channel; 60-first sacculus; 70-inserts assistive device; 80-second sacculus; The 100-balloon control apparatus; The 200-outer cover part; The 22-medical capsule.
The specific embodiment
With reference to the accompanying drawings recovery, the transport method of medical capsule involved in the present invention and the preferred implementation that is used for its endoscope apparatus are elaborated.
Fig. 1 is the system construction drawing of the embodiment of expression endoscope apparatus involved in the present invention.As shown in Figure 1, endoscope apparatus mainly is made of endoscope 10, insertion assistive device 70 and balloon control apparatus 100.
In hand-held portion 14, be set side by side with the water button 28 of supplying gas/send, attract button 30, shutter release button 32 and function switching push button 34, and be provided with a pair of angle knob 36,36.Base end part in hand-held portion 14 is formed with sacculus air taking port 38 by the pipe with the L sigmoid.By attracting the air-flow of air etc., first sacculus 60 described later is expanded or shrink to the air-flow of this sacculus air taking port 38 air supplies etc. or from this sacculus air taking port 38.
As shown in Figure 2, the front end face 45 at leading section 44 be provided with viewing optical system 52, lamp optical system 54,54, supply gas/delivery nozzle 56, forceps channel (being equivalent to attract the peristome of usefulness) 58.
Be provided with prism shown in Figure 3 53 at the rear of viewing optical system 52, the bending downwards of the light path of the subject light of obtaining via viewing optical system 52 owing to prism 53.Below prism 53, be provided with the CCD55 that is supported by basal disc 57, by of the sensitive surface imaging of the subject light of prism 53 bendings at CCD55.Then, subject light is transformed into the signal of telecommunication by CCD55, and this signal of telecommunication is sent out via signal cable 59.Signal cable 59 is inserted the insertion section 12 that leads at Fig. 1, hand-held portion 14, universal cordage 16 etc. and is extended to electric connector 24, and is connected with processor 26.Thus, the observation picture of being obtained by viewing optical system 52 is in the sensitive surface imaging of CCD55 and be transformed to the signal of telecommunication, and this signal of telecommunication is output to processor 26 via signal cable 59 then, is transformed to video signal.Thus, with monitor 50 that processor 26 is connected on show and observe image.
Be provided with the exit end of light guide member (not shown) at the rear of the lamp optical system 54,54 of Fig. 2.This light guide member is inserted insertion section 12, hand-held portion 14, the universal cordage 16 that leads at Fig. 1, and the incident end is arranged in the LG adapter 18.Thus, link by making LG adapter 18 and light supply apparatus 20, the illumination light of shining from light supply apparatus 20 is sent to lamp optical system 54,54 via light guide member, forwards shine from lamp optical system 54,54.
The supplying gas of Fig. 2/delivery nozzle 56 is communicated with the valve of operating by the water button 28 of supplying gas/send of Fig. 1 (not shown), and this valve is communicated with the water connector 48 of supplying gas/send that is provided with at LG adapter 18.Supplying gas/sending and be connected with not shown supplying gas/water feeding machine structure, air supply or water on the water connector 48.Thus, by the operation water button 28 of supplying gas/send, can from supply gas/delivery nozzle 56 is towards viewing optical system 52 injection airs or water.
The forceps channel 58 of Fig. 2 is communicated with the conduit (pipe) 61 that leading section main body 65 by Fig. 3 supports, and pipe (tube) 63 and conduit 61 bindings.Pipe 63 is inserted logical being configured in the insertion section 12 of Fig. 1, and is communicated with pliers insertion section 46.Thus, by 46 inserting treatment instrument such as pliers, can derive these treatment instruments from forceps channel 58 from the pliers insertion section.In addition, the pipe 63 of Fig. 3 is bifurcated halfway, is communicated with the valve of being operated by the attraction button 30 of Fig. 1 (not shown), and this valve further is connected with the attraction adapter 49 of LG adapter 18.Attracting to be connected with suction pump (being equivalent to attract mechanism) 51 on the adapter 49.By making suction pump 51 work,, can attract body fluid or air etc. thus from forceps channel 58 by attracting button 30 to come operated valve.
In addition, the symbol 67 of Fig. 3 is medicated caps of installing at the front end face of leading section main body 65, and symbol 69 is the shell components that cover the outer peripheral face of insertion section 12.
As shown in Figure 2,12 outer peripheral face is installed first sacculus 60 that is made of elastomers such as rubber in the insertion section.First sacculus 60 is formed the roughly tubular that both ends dwindle, after making insertion section 12 insert logical and first sacculus 60 be configured in desirable position, as shown in Figure 2, be embedded into the both ends of first sacculus 60 by retainer ring 62,62, and first sacculus 60 is fixed on insertion section 12 rubber system.
Outer peripheral face in the insertion section 12 of the installation site that becomes first sacculus 60 is formed with passage 64.Passage 64 is communicated with the sacculus air taking port 38 that is provided with in the hand-held portion 14 of Fig. 1.This sacculus air taking port 38 is connected with balloon control apparatus 100 via pipe 110.Thus, by attract by balloon control apparatus 100, air supply, first sacculus 60 is expanded shrink.In addition, by air supply, first sacculus 60 expand into roughly spherical, and by attracting air, first sacculus 60 is attached to the outer surface of insertion section 12.
On the other hand, insertion assistive device 70 shown in Figure 1, by constituting at the handle part 72 of the hard of the tubular of base end side setting and the main body pipe of installing at the front end of this handle part 72 73, the insertion section 12 of described endoscope 10 is inserted in the main body pipe 73 from handle part 72.
Be provided with inlet 78 at the base end part that inserts assistive device 70.This inlet 78 is communicated with the opening (not shown) that forms at the inner peripheral surface that inserts assistive device 70.Thereby, by injecting lubricants (for example water etc.) from inlet 78 with syringe etc., can be to the internal feed lubricant that inserts assistive device 70.Thus, insertion section 12 is being inserted into when inserting assistive device 70, can reducing the friction between the outer peripheral face of the inner peripheral surface that inserts assistive device 70 and insertion section 12, can successfully carry out insertion section 12 and insert relatively moving of assistive device 70.
Be provided with on and off switch SW1, shutdown switch SW2, the first pressure display part 106, the second pressure display part 108, the first function stop switch SW 3 and the second function stop switch SW 4 in the front of apparatus main body 102.The first pressure display part 106 and the second pressure display part 108 are respectively the panels that shows the force value of first sacculus 60 and second sacculus 80, when to take place that sacculus breaks etc. unusual, show error code on this pressure display part 106,108.
The first function stop switch SW 3 and the second function stop switch SW 4 are respectively to endoscope-use control system A described later, insert assistive device carries out ON/OFF (ON/OFF) with the function of control system B switch, when only using a side of first sacculus 60 and second sacculus 80, operation is not used a side function stop switch SW 3, SW4 and closing function.By function is control system A or the B that closes, and the supply of air, attraction stop fully, and the pressure display part 106 or 108 of this system also becomes closes.By closing function shutdown switch SW3, SW4 two sides, can carry out the setting of A-stage etc.For example, by closing two sides' function stop switch SW 3, SW4, and push down whole switch SW 5～SW9 of hand switch 104 simultaneously, carry out for atmospheric calibration.
In addition, pressure display part 106,108, function stop switch SW 3, SW4 and adverse current are prevented stop element 112,122, become endoscope 10 and insert certain configuration that assistive device 70 often adopts.That is, the anti-stop element 112 of endoscope's 10 usefulness pressure display parts 106, function stop switch SW 3 and adverse current is configured in the right side with respect to inserting the anti-stop element 122 of assistive device 70 usefulness pressure display parts 108, function stop switch SW 4 and adverse current respectively.
On the other hand, the on/off switch SW6 that is provided with the shutdown switch SW5 the same with the shutdown switch SW2 of apparatus main body 102 sides on hand switch 104, the pressurization/decompression of first sacculus 60 is indicated, be used to keep the pause switch SW 7 of the pressure of first sacculus 60, on/off switch SW8 that the pressurization/decompression of second sacculus 80 is indicated, be used to keep the pause switch SW9 of the pressure of second sacculus 80, this hand switch 104 is electrically connected with apparatus main body 102 via flexible cord 130.In addition, though in Fig. 1, do not illustrate, on hand switch 104, be provided with demonstration first sacculus 60 or the state of supplying gas of second sacculus 80 or the display part of exhaust condition.
As shown in Figure 2, the leading section 44 in the insertion section 12 of endoscope 10 is equipped with outer cover part 200.Outer cover part 200 is formed cylindric by resin or rubber etc.As shown in Figure 3, the inner diameter d of outer cover part 200 is formed with the roughly the same size of the external diameter of leading section 44 or than its smaller size, by making the base end part 200C strain of outer cover part 200 on one side,, be installed in thus on the leading section 44 Yi Bian make it be embedded into leading section 44.
The aperture area of the front end of outer cover part 200 is formed greatlyyer than the aperture area of the forceps channel 58 of leading section 44.In addition, the shape of outer cover part 200 is not limited to cylindric, for example also can be pointed shape.But preferably the area mode bigger than the area of forceps channel 58 with the front opening of outer housing 200 forms.
At the inner peripheral surface of outer cover part 200, outstanding formation is useful on the position restriction portion 202 of the minimum overhang of restriction outer housing, when outer cover part 200 is installed to leading section 44, and front end face 45 butts of position restriction portion 202 and insertion section 12.Thus, when outer cover part 200 is installed to the leading section 44 of insertion section 12, keep the state that outer cover part 200 is given prominence to.Position restriction portion 202 is the parts that are used to limit the minimum overhang of outer housing, can increase overhang according to the hobby of operator.
In addition, the leading section 200A of outer cover part 200 is by forming than the softish material of pars intermedia 200B.Thus, in the inside that makes outer cover part 200 be attraction state and during by the front end 200A absorption medical capsule 220 of outer cover part 200, because strain takes place the leading section 200A of outer cover part 200, so can keep medical capsule 220 reliably.Promptly, as shown in Figure 4, under the situation that the state with the central shaft almost parallel of the length direction of medical capsule 220 and outer cover part 200 adsorbs, because the interior perimembranous generation strain of the leading section 200A of outer cover part 200, so can keep medical capsule 220 reliably.In addition, as shown in Figure 5, when medical capsule 220 tilts,,, can keep medical capsule 220 reliably so air-tightness uprises because the leading section 200A of outer cover part 200 along medical capsule 220 strain takes place.Like this, the leading section 200A of the outer cover part 200 of present embodiment is constituted as the maintaining part that is used to keep medical capsule 220.
On the other hand, the pars intermedia 200B of outer cover part 200 is by forming than the hard material of leading section 200A, so even be under the situation of attraction state (or decompression state) in the inside that makes outer cover part 200, pars intermedia 200B also can keep barrel shape.Thus, the pars intermedia 200B breakage of outer cover part 200 can be prevented, coming off of medical capsule 220 can be prevented.
In addition, the 200B of pars intermedia at least of outer cover part 200 is formed by transparent or semitransparent material.Thus, in the insertion process of seeking medical capsule 220, can obtain the good visual field, even and keeping by the leading section 200A of outer cover part 200 under the state of medical capsule 220, also can observe the outside of outer cover part 200 via transparent or semitransparent pars intermedia 200B.In addition, also can form the integral body of outer cover part 200 by transparent or semitransparent material.
Then, according to Fig. 6 (a)～(j),, insertion section 12 is inserted into endoceliac method describes in the endoscope apparatus as constituted above.In addition, Fig. 6 (a)～(j) is the example that inserts through the oral cavity, but also can insert through anus.
At first, first sacculus 60 and second sacculus 80 are shunk, insertion section 12 is inserted lead in inserting assistive device 70, the insertion of beginning insertion section 12 under this state.Then, shown in Fig. 6 (a), when 12 front end arrived the inside of stomach 90A in the insertion section, 12 inserted assistive device 70 along the insertion section, shown in Fig. 6 (b), the front end that inserts assistive device 70 were arrived in the stomach 90A.
Then, insert assistive device 70 so that under its state that can not come off in the body cavity, insertion section 12 is pressed into to the inside of inserting assistive device 70, shown in Fig. 6 (c) controlling, the front end of insertion section 12 is inserted into, and (inserts operation) till arriving descendant duodenum 90B.Then, first sacculus 60 is expanded, the front end of insertion section 12 is fixed on descendant duodenum (fixing operation).
Then, insert assistive device 70 by being pressed into, 12 insert assistive device 70 (push operation) along the insertion section.Then, shown in Fig. 6 (d), the leading section that inserts assistive device 70 maintain first sacculus 60 near after, make its expansion to second sacculus, 80 air supplies.Thus, second sacculus 80 is fixed on descendant duodenum 90B, and descendant duodenum 90B becomes the state (controlling operation) that is inserted into assistive device 70 and controls via second sacculus 80.
Under this state, pull back simultaneously and insert assistive device 70 and insertion section 12 (pullback operation).Thus, eliminate the unnecessary deflection or the bending till the descendant duodenum 90B of digestive tract 90.
Then, attract air that first sacculus 60 is shunk from first sacculus 60 after, shown in Fig. 6 (e), make insertion section 12 advance to the inside (inserting operation) of small intestinal 90C.At this moment, owing to eliminate the unnecessary deflection till the descendant duodenum 90B of digestive tract 90 by inserting assistive device 70, so can easily insert insertion section 12.
Then, shown in Fig. 6 (f), first sacculus 60 is expanded and the front end of insertion section 12 is fixed on digestive tract 90 (fixing operation).Then, second sacculus 80 is shunk, afterwards shown in Fig. 6 (g), make and insert assistive device 70 and 12 insert (push operation) along the insertion section, make second sacculus 80 expand (controlling operation) under near near the state first sacculus 60 at the front end that inserts assistive device 70.
Then, shown in Fig. 6 (h), make under first sacculus 60 and second sacculus, the 80 expansible states, pull back and insert assistive device 70 and insertion section 12 (pullback operation).Thus, eliminate the unnecessary deflection or the bending of digestive tract 90.
By carrying out above-mentioned a series of operation (insert operation, fixing operation, push operation, control operation, pullback operation) repeatedly, thereby the digestive tract 90 of complicated bend or deflection is oversimplified like that shown in Fig. 6 (i).Thus, shown in Fig. 6 (j), insertion section 12 can be inserted into the more deep of digestive tract 90.
Then, the effect to endoscope apparatus involved in the present invention describes.Describe with the example that keeps endoceliac medical capsule 220 and be recovered to outside the body cavity below.
At first, will be inserted in the body cavity in the insertion section 12 that leading section 44 is equipped with outer cover part 200.For example, carry out described Fig. 6 (a)～such operation of Fig. 6 (j), the leading section 44 of insertion section 12 is inserted into deep digestive tract such as small intestinal.
Then, after the leading section 44 with insertion section 12 is inserted into the position of medical capsule 220, Yi Bian watch the observation picture that obtains by viewing optical system 52, Yi Bian make the leading section 200A of outer cover part 200 approach endoceliac medical capsule 220.
Then, attract button 30 to begin the attraction operation of carrying out from forceps channel 58 by operation.Thus, from the gas (or liquid) that forceps channel 58 attracts in the outer cover part 200, the inside of outer cover part 200 becomes the attraction state.
Because the inside of outer cover part 200 becomes the attraction state, thereby medical capsule 220 is adsorbed by the leading section 200A of outer cover part 200.At this moment because the leading section 200A of outer cover part 200 forms by softish material, so no matter the state posture of medical capsule 220 how, can both be infalliblely by the leading section 200A absorption maintenance medical capsule 220 of outer cover part 200.In addition, keep medical capsule 220,, can keep medical capsule 220 reliably so that retentivity becomes is big because the front opening by the big outer cover part 200 of open area ratio forceps channel 58 adsorbs.And, be held because medical capsule 220 enters in its part under the state of inside of outer cover part 200, thus the air-tightness between medical capsule 220 and the outer cover part 200 uprise, thereby degree of connecting airtight uprises, it is big that the retentivity of medical capsule 220 becomes.Thus, can keep medical capsule 220 more reliably.
After keeping medical capsule 220, by in body cavity, extracting the insertion section 12 of endoscope 10, thereby the outside that medical capsule 220 transports body cavity is reclaimed.At this moment owing in the range of observation of viewing optical system 52, keep medical capsule 220, so can by observe image always visual confirmation keeping medical capsule 220 these states.Thus, when coming off, medical capsule 220 can grasp this situation immediately.
In addition, when in body cavity, extracting the insertion section 12 of endoscope 10, because the pars intermedia 200B of outer cover part 200 is transparent or semitransparent formation, so can observe the outside of outer cover part 200.Thus, the medical capsule 220 that can avoid being kept hangs on endoceliac wall etc.
Like this according to the endoscope apparatus of present embodiment, attract and make the inside of outer cover part 200 become the attraction state via forceps channel 58, adsorb by the leading section 200A of this outer cover part 200 and keep medical capsule 220.So the aperture area of the open area ratio forceps channel 58 of the leading section 200A of outer cover part 200 is big, so keep the retentivity of medical capsule 220 big.Thus,, can keep medical capsule 220 reliably, can reclaim not making under medical capsule 220 dropping situations according to present embodiment.
In addition, according to present embodiment, owing to keep medical capsule 220 by outer cover part 200, so can be by the observation image medical capsule 220 that visual confirmation kept that obtains by viewing optical system 52 always.
In addition, the structure of the maintaining part of outer cover part 200 is not limited to above-mentioned embodiment, so long as be suitable for keeping the structure of medical capsule 220 to get final product.For example, outer cover part 206 as shown in Figure 7, the thickness of its leading section 206A is formed thinlyyer than pars intermedia 206B, and leading section 206A is constituted as easy deflection.Thus, as shown in Figure 8, even make outer cover part 206 with respect to medical capsule 220 obliquely with its near the time, the leading section 206A deflection of outer cover part 206 and connecting airtight with medical capsule 220.Thus, the air-tightness by outer cover part 206 and medical capsule 220 uprises and can keep connecting airtight property, can improve the retentivity of medical capsule 220, so can keep medical capsule 220 reliably.In addition, the pars intermedia 206B of the outer cover part 206 of Fig. 7 and Fig. 8 is formed thicklyer than leading section 206A owing to inner circumferential surface is side-prominent, and this pars intermedia 206B is used for the location by front end face 45 butts with insertion section 12.In addition, because pars intermedia 206B forms thicklyer, so even be under the situation of attraction state in the inside that makes outer cover part 206, pars intermedia 206B also can keep barrel shape.Thus, can not produce the situation that pars intermedia 200B breakage, absorption affinity die down, can prevent coming off of medical capsule 220.
About outer cover part shown in Figure 9 208, between leading section 208A and pars intermedia 208B, be formed with groove 208D.Groove 208D is formed on the inner peripheral surface of outer cover part 208, and forms a week at circumferencial direction.By forming such groove 208D, the less rigid of the leading section 208A of outer cover part 208, the easier deflection of leading section 208A.Thus, because the air-tightness of the leading section 208A of outer cover part 208 and medical capsule 220 uprises feasible connecting airtight property height,, can keep medical capsule 220 more reliably so the retentivity of medical capsule 220 becomes greatly.Especially, as shown in figure 10, even make outer cover part 208 with respect to medical capsule 220 obliquely with its near the time, the leading section 208A deflection of outer cover part 208 and connecting airtight with medical capsule 220 is so can keep medical capsule 220 reliably.
About outer cover part shown in Figure 11 210, be formed with a plurality of groove 210E, 210E at the outer peripheral face of leading section 210A ...Each groove 210E is formed on the direction of principal axis of outer cover part 210, is formed circular-arc with the orthogonal cross section of its direction of principal axis.In addition, groove 210E forms with certain interval in a circumferential direction, is formed with rib 210F between groove 210E, 210E.The outer cover part 210 of Xing Chenging has been by having formed groove 210E like this, makes the leading section 210A easy deflection that becomes, and by having formed rib 210F, guaranteed appropriate rigidity.And, owing to formed groove 210E,, connect airtight easily on medical capsule 220 so inner peripheral surface is smooth at outer peripheral face.Thus, because the connecting airtight property increase of outer cover part 210 and medical capsule 220, so can keep medical capsule 220 more reliably.
About outer cover part shown in Figure 13 214, form tapered portion 214H by inner peripheral surface and constituted maintaining part at its leading section 214A.Thus, when keeping medical capsule 220 by outer cover part 214 absorption, the curvature portion of medical capsule 220 and tapered portion 214H butt are so the connecting airtight property raising of outer cover part 214 and medical capsule 220 can keep medical capsule 220 more reliably.
About Figure 14 and outer cover part 216 shown in Figure 15, be formed with circular-arc groove 216I at its leading section 216A.In this case, because entering into groove 216I, the lateral parts of medical capsule 220 keeps capsule, so can keep medical capsule 220 reliably.
In addition, above-mentioned embodiment is illustrated keeping endoceliac medical capsule 220 and being recovered to the outer example of body cavity, but also can be as the medical capsule 220 that is kept is carried out conveyance in body cavity purposes.For example, when medical capsule 220 is blocked by endoceliac narrow, the medical capsule 220 that kept to the place ahead of narrow conveyance, is removed the maintenance of medical capsule 220.The maintenance of medical capsule 220 is removed, and by the attraction button 30 of application drawing 1, stops to attract operation to carry out from forceps channel 58.
In addition, be not only keeping and also can in following purposes, use under the situation of endoceliac medical capsule 220, promptly insertion section 12 is inserted in the body cavitys with the state that outside body cavity, has kept medical capsule 220, with medical capsule 220 conveyances in body cavity.
In addition, above-mentioned embodiment is to use example of the present invention in the endoscope apparatus of the two sacculus formulas with first sacculus 60 and second sacculus 80, but the structure of endoscope apparatus of the present invention is not only for therewith, at the endoscope apparatus that does not have first sacculus 60, second sacculus 80 or do not use in the endoscope apparatus that inserts assistive device 70 and can use the present invention yet.Promptly, outer cover part 200 is installed on the leading section 44 of the insertion section 12 of endoscope 10, utilize forceps channel 58 to make the inside of this outer cover part 200 become the attraction state, by bringing in absorption medical capsule 220 before this outer cover part 200, can keep medical capsule 220 to reclaim or conveyance thus reliably.
Claims (9)
1. endoscope apparatus has:
Endoscope, it has the observation portion of observing subject and the peristome that attracts usefulness at the leading section that is inserted in endoceliac insertion section;
Attract mechanism, its peristome with described attraction usefulness is communicated with; With
The outer cover part of tubular roughly, it is installed on the leading section of described insertion section;
Described outer cover part has maintaining part, and when making the work of described attraction mechanism and attracting to make the inside of described outer cover part to become the attraction state via described attraction with peristome, described maintaining part absorption keeps medical capsule,
The front opening area of wherein said outer cover part is bigger than the peristome that attracts usefulness.
2. endoscope apparatus according to claim 1 is characterized in that,
The structure of described outer cover part is: enter at least a portion of described medical capsule under the state of inside of described outer cover part and keep.
3. endoscope apparatus according to claim 1 and 2 is characterized in that,
At least a portion of described outer cover part is transparent or semitransparent.
4. endoscope apparatus according to claim 1 and 2 is characterized in that having:
First sacculus, it expands freely and is installed in the outer peripheral face of the leading section of described insertion section;
Insert assistive device, it guides this insertion section to insert in body cavity by inserting described insertion section; With
Second sacculus, it expands freely and is installed in the outer peripheral face of this insertion assistive device.
5. endoscope apparatus according to claim 1 and 2 is characterized in that,
Described maintaining part is in the front end inner peripheral surface formation curved face part corresponding with the curve form of described medical capsule of described outer cover part.
6. endoscope apparatus according to claim 1 and 2 is characterized in that,
Described maintaining part forms to such an extent that constitute than other part is thin by the leading section with described outer cover part.
7. endoscope apparatus according to claim 1 and 2 is characterized in that,
Described maintaining part constitutes by the groove that the front end inner peripheral surface at described outer cover part forms circumferencial direction.
8. endoscope apparatus according to claim 1 and 2 is characterized in that,
Described maintaining part forms groove by the front end outer peripheral face at described outer cover part and constitutes.
9. endoscope apparatus according to claim 8 is characterized in that,
Described groove is via rib and form a plurality of along the central axis direction of described outer cover part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005207535 | 2005-07-15 | ||
| JP2005207535 | 2005-07-15 | ||
| JP2005278438 | 2005-09-26 |
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| CN1895156A CN1895156A (en) | 2007-01-17 |
| CN100413459C true CN100413459C (en) | 2008-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101055149A Active CN100413459C (en) | 2005-07-15 | 2006-07-07 | Method for collecting/transporting a medical capsule and endoscopic apparatus for the method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008029527A (en) * | 2006-07-27 | 2008-02-14 | Olympus Medical Systems Corp | Endoscope system |
| CN101897573B (en) * | 2010-09-03 | 2012-05-23 | 吴正奇 | Capsule endoscope pusher |
| CN103156568A (en) * | 2012-08-22 | 2013-06-19 | 武汉安康通光电技术有限公司 | Filament tube capsule oesophagoscope capable of being released and magnetically controlled |
| JP2019042075A (en) * | 2017-08-31 | 2019-03-22 | シャープ株式会社 | In-vivo imaging apparatus and in-vivo monitor camera system |
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| WO1999032028A2 (en) * | 1997-12-22 | 1999-07-01 | Given Imaging Ltd. | System and method for in vivo delivery of autonomous capsule |
| JP2004194976A (en) * | 2002-12-19 | 2004-07-15 | Pentax Corp | Method of holding and releasing medical capsule, method of introducing the same, and method of collecting the same |
| JP2004305505A (en) * | 2003-04-08 | 2004-11-04 | Pentax Corp | Endoscope system capable of holding and releasing capsule type endoscope for medical care |
| JP2004358222A (en) * | 2003-05-15 | 2004-12-24 | Hironori Yamamoto | Method of operating endoscope apparatus, and endoscope apparatus |
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- 2006-07-07 CN CNB2006101055149A patent/CN100413459C/en active Active
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|---|---|---|---|---|
| WO1999032028A2 (en) * | 1997-12-22 | 1999-07-01 | Given Imaging Ltd. | System and method for in vivo delivery of autonomous capsule |
| JP2004194976A (en) * | 2002-12-19 | 2004-07-15 | Pentax Corp | Method of holding and releasing medical capsule, method of introducing the same, and method of collecting the same |
| JP2004305505A (en) * | 2003-04-08 | 2004-11-04 | Pentax Corp | Endoscope system capable of holding and releasing capsule type endoscope for medical care |
| JP2004358222A (en) * | 2003-05-15 | 2004-12-24 | Hironori Yamamoto | Method of operating endoscope apparatus, and endoscope apparatus |
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| CN1895156A (en) | 2007-01-17 |
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Effective date of registration: 20091023 Address after: Japan in Tochigi County Co-patentee after: Fuji Film Corp. Patentee after: SRJ company Address before: Japan in Tochigi County Co-patentee before: Fujinon Corp. Patentee before: SRJ company |