CN100420419C - Capsule-type medical apparatus, medical capsule housing, and production method thereof - Google Patents
Capsule-type medical apparatus, medical capsule housing, and production method thereof Download PDFInfo
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- CN100420419C CN100420419C CNB2005800021350A CN200580002135A CN100420419C CN 100420419 C CN100420419 C CN 100420419C CN B2005800021350 A CNB2005800021350 A CN B2005800021350A CN 200580002135 A CN200580002135 A CN 200580002135A CN 100420419 C CN100420419 C CN 100420419C
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00131—Accessories for endoscopes
- A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
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Abstract
Plasma processing is performed, by using, for example, an atmospheric plasma processing, on the outer surface (21a) of a forward end cover (21), the joint surface (24a) of the joint end (24) of the forward end cover (21) and the joint surface (25a) of the joint end (25) of a trunk cover to form many fine irregularities on the outer surface (21a) and the joint surfaces (24a, 25a) and enhance the hydrophilicity of the outer surface (21a) and the joint surfaces (24a, 25a), and then these joint surfaces (24a, 25a) are engaged and bonded together with an adhesive, thereby ensuring the liquid-tightness of the container, enhancing safety further, and improving the light transmittance of the container.
Description
Technical field
The present invention relates to a kind of capsule medical apparatus such as capsule type endoscope that are directed in the subject, collect the type of for example swallowing of tested intravital information, relate in particular to the medical capsule housing and the manufacture method thereof that keep high fluid-tight capsule medical apparatus and constitute the exterior component of the medical capsule that carries out tested intravital observation, inspection or disposal.
Background technology
In recent years, in the field of endoscope, the capsule type endoscope of camera function and radio function has appearred assembling.The structure of this capsule type endoscope is, after the those who are investigated that are used as subject in order to observe (inspection) swallow, viewing duration before discharging naturally from those who are investigated's organism, this capsule type endoscope is accompanied by the vermicular movement of stomach, small intestinal etc., and move in internal organs inside (in the body cavity) such as stomach, small intestinals, use camera function to make a video recording successively.
In addition, based on moving and the viewing duration that carries out in these internal organs, the view data that is photographed in body cavity by capsule type endoscope is sent to the external device (ED) that is arranged at the subject outside successively by radio functions such as radio communications, is stored in the memorizer that is arranged in the external device (ED).Those who are investigated carry the external device (ED) that possesses this radio function and memory function, thereby in the viewing duration before extremely discharging after swallowing capsule type endoscope, those who are investigated can freely take action.After the observation, doctor or nurse can make endoceliac pictorial display in display devices such as display according to the view data in the memorizer that is stored in external device (ED), diagnose.
In this capsule type endoscope,, the capsule type endoscope of the type of swallowing shown in the patent documentation 1 is for example arranged in order to carry out above-mentioned functions.About this capsule type endoscope, following capsule type endoscope is proposed: possess in inside lighting unit, CCD (charge-coupled image sensor) or CMOS solid-state imagers such as (complementary metal oxide semiconductors (CMOS)s), these lighting units or solid-state imager such as LED drive circuit, comprise battery etc. at interior power supply unit be used for and will these function executing unit be accommodated in the container of airtight capsule shape from the image data transmission of solid-state imager function executing unit such as sending part to external device (ED).The container of capsule shape is split into the external shell of the transparency cover of semi-spherical shape and drum and forms, wherein this transparency cover is used for lighting unit to the illumination of external container or accept for example reflected light of this illumination light, carry out the shooting of external container, this external shell is taken in these function executing unit, during fabrication, by this transparency cover is thickly engaged with external shell liquid, come the container of airtight capsule shape.
Patent documentation 1: TOHKEMY 2001-91860 communique
In this capsule type endoscope, in order to realize lightweight, form transparency cover and external shell by the resin component of thin-walled, and, guarantee the close property of liquid by engage this transparency cover and external shell with bonding agent.But, because capsule type endoscope will be swallowed from mouth by those who are investigated, in the body cavity by subject, so preferably multiplely guarantee safety.In addition, in the capsule type endoscope of described TOHKEMY 2001-91860 communique, in the bonding process that utilizes bonding transparency cover of bonding agent and tubular lid, exist to be difficult to manage so that the coating weight of bonding agent is a certain amount of problem.In addition, when bonding, can form jog or mountain valley shape portion by unnecessary bonding agent, in this case, form slick and slyly, must carry out complicated post-treatment procedures in order to make the capsule outer surface at capsular outer surface.
Summary of the invention
The present invention proposes in view of the above problems, and its purpose is, a kind of capsule medical apparatus is provided, and can guarantee the close property of liquid of container, further improves safety.In addition, another object of the present invention is to, the hydrophilic of container is improved, the photopermeability of container is improved.And the present invention is in view of the above problems and proposes, and its purpose is, provide can easily carry out the 1st exterior member and described the 2nd exterior member connect airtight fixed medical capsule housing and manufacture method thereof.
In order to address the above problem, achieve the goal, capsule medical apparatus of the present invention is characterised in that to possess: drive end bearing bracket, it is made of hemispheric domed shape roughly, and has the engagement end portion of opening; The trunk lid, it constitutes the barrel shape of hollow, and has the engagement end portion of opening; The function executing unit, it is incorporated in the inside of described trunk lid, carries out predefined predetermined function; And electricity accumulating unit, its savings is used to drive the unitary driving electric of described function executing, after the engagement end portion that engagement end portion and described trunk to described drive end bearing bracket cover is implemented surface treatment, the engagement end portion of this drive end bearing bracket is engaged with the engagement end portion of this trunk lid, form and to import to tested intravital capsule shape, form the external shell that inner liquid is thickly sealed.
In addition, the capsule medical apparatus of the second aspect of invention is characterized in that, in foregoing invention, surface treatment is implemented on the surface of described drive end bearing bracket.
In addition, the capsule medical apparatus of the third aspect of invention is characterized in that, in foregoing invention, described surface treatment is made of Cement Composite Treated by Plasma.
In addition, the capsule medical apparatus of the fourth aspect of invention is characterized in that, in foregoing invention, described capsule medical apparatus also possesses the joint holding unit, the state that engages that it keeps described drive end bearing bracket and described trunk to cover.
In addition, the capsule medical apparatus of the 5th aspect of invention is characterized in that, in foregoing invention, described joint holding unit is by constituting with lower unit: projection, and it is arranged on the side of engagement end portion of described drive end bearing bracket and described trunk lid; And groove, it is arranged on the engagement end portion on the opposing party who is located in described drive end bearing bracket and the described trunk lid, can with described protrusions snap, when engaging described drive end bearing bracket and cover with described trunk, described projection is engaged with described groove, keep the engagement state of drive end bearing bracket and trunk lid.
In addition, the medical capsule housing of the 6th aspect of invention is characterised in that to possess: the 1st exterior member, and it forms tubular by resin material, has the peristome with predetermined internal diameter size opening an end; The 2nd exterior member, it forms tubular by resin material, has the peristome with the diameter opening bigger than the outside dimension of the peristome of described the 1st exterior member an end; With thermal weld portion, scheduled volume constitutes for the inner peripheral surface of the peristome of described the 2nd exterior member of outer peripheral face side direction of the peristome of described the 1st exterior member is inserted, the fitting portion of described the 1st exterior member and described the 2nd exterior member, utilizes it to be connected airtight fixing by the thermal weld from the effect generation of outside.According to this structure, the peristome side by making the 1st exterior member and the peristome side of the 2nd exterior member are inserted scheduled volume, become the state of relative configuration, be used to carry out thermal weld from outside effect, the fitting portion of the 1st exterior member and the 2nd exterior member is carried out thermal weld, constitute the medical capsule that connects airtight stationary state of one.
In addition, the manufacture method of the medical capsule housing of the 14 aspect of invention, the ultrasonic welding machine that utilization possesses soldering tip (horn) and mould carries out the ultrasonic bonding of the peristome of the peristome of the 1st exterior member and the 2nd exterior member, possess in the structure of hollow hemisphere portion in the end of the 1st exterior member and the 2nd exterior member, on the outer peripheral face of the hollow hemisphere portion of side's exterior member, be provided for being configured in the stage portion on the mould, on the outer peripheral face of the hollow hemisphere portion of the opposing party's exterior member, be provided for disposing the stage portion of described soldering tip.Constitute according to this, for example the position of the stage portion by making the 2nd exterior member is aimed at mould, and the 2nd exterior member is configured on the mould.In addition, become the state that the 1st exterior member is inserted be disposed in the 2nd exterior member that is configured on the mould, the location positioning that makes soldering tip is in the stage portion of the 1st exterior member.Afterwards, by sending ultrasonic vibration from soldering tip, the peristome of the peristome of the 1st exterior member and described the 2nd exterior member is constituted the medical capsule that connects airtight stationary state of one by thermal weld.
Capsule medical apparatus of the present invention is implemented Cement Composite Treated by Plasma to the composition surface of drive end bearing bracket and the composition surface of trunk lid, the hydrophilic on these composition surfaces is improved, make these composition surface engagings and bonding then, so can form the cementability that improved the composition surface, to the external shell of inner liquid-tight seal, can reach the close property of the liquid of guaranteeing container thus, further improve the effect of safety.
Capsule medical apparatus of the present invention is implemented Cement Composite Treated by Plasma to the surface of drive end bearing bracket, and the hydrophilic of drive end bearing bracket is improved, and the photopermeability of container is improved, and can reach the effect that can obtain good observation image thus.
According to the present invention, can provide can easily carry out the 1st exterior member and described the 2nd exterior member connect airtight fixed medical capsule housing and manufacture method thereof.
Description of drawings
Fig. 1 is the sectional side view of structure of the embodiment 1 of expression capsule medical apparatus of the present invention.
Fig. 2 is with the unfolded vertical view of rigid and flexible circuit board shown in Figure 1.
Fig. 3 is the figure of structure that the blood processor of atmospheric plasma treatment is carried out in expression.
The figure of state when Fig. 4 is the assembling of expression capsule medical apparatus shown in Figure 1.
Fig. 5 is that explanation constitutes the capsule type endoscope of in-subject information acquisition system and the figure of external device (ED).
Fig. 6 is that explanation constitutes the external device (ED) of in-subject information acquisition system and the figure of termination.
Fig. 7 is the sectional side view of structure of the embodiment 2 of expression capsule medical apparatus.
Fig. 8 is the figure of the structure of the explanation peristome that constitutes the observation side cover of A shown in Figure 7 portion and capsule body.
The figure of the observation side cover when Fig. 9 is explanation formation A shown in Figure 7 portion and the position relation of capsule body.
Figure 10 is the figure that is illustrated in the state that has disposed capsule body in the mould.
Figure 11 is the figure that the state of side cover is observed in configuration in the capsule body of explanation in being disposed at mould.
Figure 12 is that explanation is disposed at soldering tip in the figure that observes the ultrasonic bonding initial state of beginning ultrasonic bonding on the side cover.
Figure 13 is the figure of the ultrasonic bonding operation example of explanation embodiments of the invention 3.
Symbol description
1,12 capsule type endoscopes; 2 hermetic containers; 3 lighting units; 4 image units; 5 control units; 6 electricity accumulating units; 7 wireless transmission unit; 8 rigid and flexible circuit boards; 21 drive end bearing brackets; The outer surface of 21a drive end bearing bracket; 22 trunks lid; 23 trunks; 24,25 engagement end portion; 24a, 25a composition surface; The 24b projection; The 25b groove; 26 rearward end; 30 illuminating board; The 30a through hole; 31 luminous bodys; 32,44,52 chip parts; 40 shooting substrates; 41 solid-state imagers; 42 imaging lens; 42a, 42b camera lens; 43 focus guiding mechanisms; The 43a fixed frame; The 43b movable frame; 61 button type aneroid battery; 62 switch substrate; 63 switch portion; The 63a reed switch; The 63b biasing magnet; 64 power supply units; The 64a transducer; 65 contacts; 66 power supply boards; 71 send substrate; 72 oscillating circuits; 73 antenna substrates; 74 antennas; 80 flexible base, boards; 82 sealing resins; 90 atmospheric plasma treatment devices; 91,92 gas bombs; 93 gas mixing/control parts; 93a, 93b mass flow measuring device; The 93c blender; 94 reactors; 95 high frequency electric sources; 96 plasma injectors; 97 conveyer devices; 98 transport paths; 99 valves; 110 medical capsule housings (capsule); 111 observe side cover; 112 capsule bodies; 113 thermal weld portions.
The specific embodiment
Below, describe the embodiment of capsule medical apparatus of the present invention in detail with reference to accompanying drawing 1～13.In addition, the invention is not restricted to these embodiment, in the scope that does not break away from aim of the present invention, various distortion embodiments can be arranged.
Fig. 1 is the sectional side view of structure of the embodiment 1 of expression capsule medical apparatus of the present invention, and Fig. 2 is the vertical view after rigid and flexible circuit board shown in Figure 1 is launched.In addition, in this embodiment,, illustrate from being directed to as mouth of the people of subject etc. in the body cavity, being examined the capsule type endoscope of photographing in the position to endoceliac as an example.
This capsule type endoscope 1 possesses as shown in Figure 1: the hermetic container 2 as external shell that forms capsule shape; Lighting unit 3, it is as the function executing unit that is used to carry out predefined predetermined function, and ejaculation is used for being examined the illumination light of position illumination in body cavity; Image unit 4, it accepts the reflected light of illumination light as the function executing unit, takes to be examined the position; Carry out lighting unit 3 and the driving control of image unit 4 and the control unit 5 of signal processing; Savings is used to drive the electricity accumulating unit 6 of the unitary driving electric of function executing; And will be wirelessly transmitted to by the view data that image unit 4 is obtained and be examined external wireless transmission unit 7.
Hermetic container 2 is the size about being swallowed by the people, and it is chimeric and form to make the trunk of roughly hemispheric drive end bearing bracket 21 and barrel shape cover 22 elasticity.Drive end bearing bracket 21 is hemispheric domed shape roughly, the circular shape of the rear openings of dome.This drive end bearing bracket 21 is by the transparent component with the transparency or light transmission, for example be suitable for guaranteeing formation such as the cycloolefine polymer of optical property or intensity or PC, can make the outside that penetrates into hermetic container 2 from the illumination light of lighting unit 3, and, can make from tested reflected light that have a medical check-up, this illumination light and penetrate into inside.
In addition, trunk lid 22 is positioned at the rear side of drive end bearing bracket 21, is the parts that cover the above-mentioned functions performance element.This trunk lid 22 forms the trunk 23 of drum and the rearward end 26 of hemispheric domed shape roughly, the circular shape of the front openings of this trunk 23.This trunk lid 22 is formed by the polysulfones that is suitable for guaranteeing intensity etc., and lighting unit 3, image unit 4, control unit 5 are accommodated in the trunk 23, and wireless transmission unit 7 is accommodated in the rearward end 26.
At the peristome of drive end bearing bracket 21, be provided with the engagement end portion 24 of drum along the edge of open end.In addition, at the peristome of trunk 23, be provided with the engagement end portion 25 of drum along the edge of open end.Each engagement end portion 24,25 has composition surface 24a, 25a, and when the drive end bearing bracket 21 that is bonded with each other covered 22 with trunk, this composition surface 24a, 25a contacted with each other in the inside and outside coincidence of hermetic container 2.In this embodiment, the engagement end portion 24 of drive end bearing bracket 21 is positioned at the inboard of hermetic container 2, its outer surface becomes composition surface 24a, the engagement end portion 25 of trunk lid 22 is positioned at the outside of hermetic container 2, its inner surface becomes composition surface 25a, and the internal diameter of the external diameter of composition surface 24a and composition surface 25a forms roughly consistent.In addition, the angle of the pattern draft when each engagement end portion 24,25 for example forms contour forming is the straight and roughly the same barrel shape of interior external diameter of 0 degree, makes joint transfiguration each other easy.
On the 24a of composition surface, boundless shape ground forms projection 24b on its complete cycle, on the 25a of composition surface, and boundless shape landform grooving 25b on its complete cycle.This projection 24b and groove 25b engage with each other under composition surface 24a and state that 25a overlaps.Like this, projection 24b and groove 25b constitute by engaging with each other of projection 24b and groove 25b and keep drive end bearing bracket 21 and trunk to cover the holding unit that engages of 22 engagement state.
Lighting unit 3 possesses as shown in Figure 1: form the illuminating board 30 of circular plate shape, part is provided with through hole 30a in the central; Be arranged on the light emitting diode of the front surface (among Fig. 1 for drive end bearing bracket 21 sides) of this illuminating board 30, for example 4 luminous bodys 31 such as White LED; With chip part 32, its circuit that (being shooting substrate 40 sides among Fig. 1) is configured for driven for emitting lights body 31 as shown in Figure 2 in the rear surface comes the illumination light of self-luminous body 31 to shine the outside through drive end bearing bracket 21.
Image unit 4 possesses as shown in Figure 1: the shooting substrate 40 that forms circular plate shape; Be arranged on solid-state imagers 41 such as the CCD of front surface (among Fig. 1 for illuminating board 30 sides) of this shooting substrate 40 or CMOS; With make shot object image image in imaging lens 42 on the solid-state imager 41.Imaging lens 42 is arranged on the front surface (among Fig. 1 for illuminating board 30 sides) of solid-state imager 41, is arranged on the 1st camera lens 42a on the fixed frame 43a and is positioned at the 2nd camera lens 42b that solid-state imager 41 sides are arranged on the movable frame 43b and constitute by being positioned at object side.Fixed frame 43a and movable frame 43b are configured for focus guiding mechanism 43 that the 2nd camera lens 42b is moved along optical axis.In addition, fixed frame 43a inserts and leads among the through hole 30a of illuminating board 30, makes the front surface of the axial plane of imaging lens 42 to illuminating board 30.Thus, image unit 4 can be taken the light-struck scope of illumination of illuminated unit 3.In addition, as depicted in figs. 1 and 2,,, be provided with the chip part 44 of the circuit that is configured for driving solid-state imager 41 in the mode of encirclement solid-state imager 41 front surface and rear surface (be switch substrate 62 sides among Fig. 1) of shooting substrate 40.
Control unit 5 has DSP (digital simulation processor) 51 as shown in Figure 1, and DSP 51 is arranged on the rear surface of shooting substrate 40 in the mode of being surrounded by chip part 52.This DSP 51 is as the maincenter of the driving control of capsule type endoscope 1, and driving control and the output signal of carrying out solid-state imager 41 handled, the driving control of lighting unit 3.In addition, the chip part 44 of rear surface of shooting substrate 40 is the semiconductor devices with following function etc.: when 7 when sending from the video signal of DSP 51 outputs and clock signal, these two signals being mixed into a signal from the wireless transmission unit.
Electricity accumulating unit 6 as shown in Figure 1, possess button type aneroid battery 61, the switch substrate 62 that forms circular plate shape, switch portion 63 and power supply units 64 such as silver oxide cell, this switch portion 63 has reed switch 63a and biasing magnet 63b, is arranged on the front surface (being shooting substrate 40 sides among Fig. 1) of switch substrate 62.A plurality of, for example be 61 series connection of 3 button type aneroid battery in the present embodiment, be configured to the negative cover side towards rear side.In addition, battery 61 is not limited to silver oxide cell, for example also can use TunePower, power generating type battery etc., and number also is not limited to 3.
In addition, the contact 65 that is formed by leaf spring is set on the rear surface of switch substrate 62, this contact 65 contacts with the anodal jar of button type aneroid battery 61, the application of force of utilizing leaf spring with button type aneroid battery 61 to rear side (being power supply board 66 sides among Fig. 1) application of force.
Power supply unit 64 has the power supply board 66 of the circular plate shape of forming and is arranged on the DC/DC transducer 64a of the rear surface of power supply board 66 (being rearward end 26 sides among Fig. 1).DC/DC transducer 64a is in order to obtain the required constant voltage of system all the time, to controls such as the voltage that is obtained by button type aneroid battery 61 for example boost.In addition, though do not express among the figure, the front surface (being switch substrate 62 sides among Fig. 1) at power supply board 66 is provided with the contact that contacts with the negative cover of button type aneroid battery 61.In the present embodiment, electricity accumulating unit 6 is connected in series between switch substrate 62 and power supply board 66 and has disposed a plurality of button type aneroid battery 61, can be to each function executing unit power supply.
Above-mentioned illuminating board 30, shooting substrate 40, switch substrate 62, power supply board 66 and send substrate 71 and constitute by rigid substrates.As shown in Figure 2, these rigid substrates are provided with in the mode of a series of flexible base, board 80 of clamping respectively, constitute rigid and flexible circuit board 8.That is, each rigid substrates is across flexible base, board 80, separates predetermined space according to Benq's plate 30, shooting substrate 40, switch substrate 62, power supply board 66 and the order that sends substrate 71 and is configured, and is electrically connected to each other.Afterwards, by flexible base, board 80 bendings that make this rigid and flexible circuit board, by mode shown in Figure 1, laminated configuration illuminating board 30, shooting substrate 40, switch substrate 62, power supply board 66 and transmission substrate 71 on the fore-and-aft direction of drive end bearing bracket 21 sides and rearward end 26 sides.
Usually, under the state after making these flexible base, board 80 bendings, rigid and flexible circuit board 8 is accommodated in the hermetic container 2, but in the present embodiment, as the processing of last stage of this step, engagement end portion 24,25 is carried out atmospheric plasma treatment, realize the raising of zygosity.In this embodiment, the polysulfones etc. that forms trunk lid 22 is not the material good to the cementability of bonding agent.Therefore, in the present embodiment, composition surface 24a, the 25a of engagement end portion 24,25 carried out atmospheric plasma treatment, and atmospheric plasma treatment is carried out on the surface of drive end bearing bracket, realize hydrophilic raising.
Fig. 3 is the figure of structure that the blood processor of atmospheric plasma treatment is carried out in expression.Among the figure, atmospheric plasma treatment device 90 by reactor 94, the high frequency electric source 95 of the gas mixings/control part 93 of the control of filling argon and the gas bomb 91,92 of oxygen, the mixing of carrying out these gases and combined amount, plasma, carry out plasma injector 96 that the ejector of plasma sprays, carry as the drive end bearing bracket 21 of object being treated and trunk covers 22 conveyer devices such as conveyer 97, transfer of gas path 98 and the valve 99 that is arranged on the transport path 98 constitutes.In this atmospheric plasma treatment device 90, at first mass flow measuring device 93a, the 93b in the gas mixing/control part 93 recently adjusts the mixed traffic of argon and oxygen by predetermined mixing, this adjusted argon and oxygen mix, pass out to reactor 94 by blender 93c.
In reactor 94, be used to high frequency voltage from high frequency electric source 95, make mist ionization, generate plasma.The plasma of this generation becomes injection stream behind plasma injector 96, the outer surface 21a and the drive end bearing bracket 21 that are ejected into the drive end bearing bracket of being carried by conveyer device 97 21 cover 22 composition surface 24a, 25a with trunk, as shown in Figure 4, implement surface treatment.At this moment, the outer surface of drive end bearing bracket 21 is towards the top, and in addition, the peristome of trunk lid 22 is loaded on the conveyer device 97 towards the top.In addition, implement also to comprise in the part that this plasma handles the part of projection 24b and groove 25b.
Thus, in composition surface 24a, the 25a of the outer surface 21a of drive end bearing bracket 21 and drive end bearing bracket 21 and trunk lid 22, form a plurality of trickle concavo-convex, the surface area on composition surface increases, outer surface 21a at drive end bearing bracket 21, hydrophilic improves, at composition surface 24a, the 25a of drive end bearing bracket 21, to the cementability raising of bonding agent with trunk lid 22.
Below, in the present embodiment, cover under 22 situations about engaging at drive end bearing bracket 21 that Cement Composite Treated by Plasma has been finished and trunk, in each gap to illuminating board 30 and shooting substrate 40 and switch substrate 62, and filled under the state of sealing resin 82 in each gap of power supply board 66 and transmission substrate 71 and antenna substrate 73, rigid and flexible circuit board 8 is installed on the drive end bearing bracket 21.Afterwards, drive end bearing bracket 21 is installed on the maintenance platform (not shown), to cover the outer surface 21a of drive end bearing bracket 21.To the outer surface of unitary each constituting body of function executing except antenna substrate 73, coating is used for being filled into the sealing resin 82 in gap of the inner surface of this outer surface and hermetic container 2.And, coating adhesive on the composition surface 24a of the engagement end portion 24 of drive end bearing bracket 21.Afterwards, the engagement end portion 25 of trunk lid 22 is coincided with the engagement end portion 24 of drive end bearing bracket 21, engage, make as the projection 24b that engages holding unit to engage with groove 25b.Thus, bonding agent soaks between each composition surface 24a, 25a that cementability has been improved.At last, in the engagement state that keeps projection 24b and groove 25b, each composition surface 24a, 25a are rotated relatively.Thus, the bonding agent that soaks between each composition surface 24a, 25a arrives between the projection 24b and groove 25b engage with each other, and drive end bearing bracket 21 and trunk cover 22 and be engaged under the fluid-tight state having guaranteed.
Like this, in the present embodiment, by utilizing plasma that the outer surface of the drive end bearing bracket of formation hermetic container and the composition surface of drive end bearing bracket and trunk lid are carried out surface treatment, form a plurality of trickle concavo-convex on the surface, improve hydrophilic, so outer surface at transparent drive end bearing bracket, outside moisture (for example tested intravital moisture) equalization is adhered on the outer surface, the photopermeability of drive end bearing bracket is improved, thus, can enlarge the field of view in drive end bearing bracket the place ahead, image unit can obtain good observation image.
In addition, in the present embodiment, owing to be formed at a plurality of trickle concavo-convex on the composition surface that drive end bearing bracket and trunk cover, it is big that surface area becomes, a large amount of bonding agent equalizations are attached on the composition surface, and cementability improves, can form the interface be difficult to peel off, with the external shell of inner liquid-tight seal, can guarantee the close property of liquid of container thus, further improve safety.
In addition, in the present embodiment, projection and groove are set on the composition surface, this projection and groove engage with each other during assembling, thereby keep the engagement state of drive end bearing bracket and trunk lid, so can further guarantee further to improve safety under the fluid-tight state of container.
In addition, in the present embodiment, the surface-treated situation of utilizing Cement Composite Treated by Plasma to cover has been described, but the invention is not restricted to this, also can use plasma active gases, for example ozone or ultraviolet in addition to wait the surface treatment of covering, and, also can use the chemical treatment that utilizes medicine, or bottoming (primer) is handled to make as the outer surface of the lid of processed portion or the hydrophilic on composition surface and is improved.
Embodiment 2
Fig. 5～Figure 12 relates to embodiments of the invention 2, Fig. 5 is that explanation constitutes the capsule type endoscope of capsule endoscope device (below be called " in-subject information acquisition system ") and the figure of external device (ED), Fig. 6 is that explanation constitutes the external device (ED) of in-subject information acquisition system and the figure of termination, Fig. 7 is the sectional side view of structure of the embodiment 2 of expression capsule medical apparatus, Fig. 8 is the figure of the structure of the explanation peristome that constitutes the observation side cover of A shown in Figure 7 portion and capsule body, the figure of the observation side cover when Fig. 9 is explanation formation A shown in Figure 7 portion and the position relation of capsule body, Figure 10 is the figure that is illustrated in the state that has disposed capsule body in the mould, Figure 11 is the figure that the state of side cover is observed in configuration in the capsule body of explanation in being disposed at mould, and Figure 12 is that explanation is disposed at the figure that the observation side cover begins the ultrasonic bonding initial state of ultrasonic bonding to soldering tip.In addition, in the present embodiment, medical capsule is illustrated as capsule type endoscope.
As shown in Figure 5 and Figure 6, in-subject information acquisition system 11 mainly is made of capsule type endoscope 12 and external device (ED) 13 as capsule medical apparatus of the present invention.Capsule type endoscope 12 is directed in the body cavity by for example being swallowed by subject (following also be recited as " those who are investigated ") 14.The endoceliac capsule type endoscope 12 that is directed to subject is obtained subject information such as this endoceliac image information.The subject information that capsule type endoscope 12 is obtained sends to external device (ED) 13 by wireless mode.
External device (ED) 13 is configured in the external of those who are investigated 14.External device (ED) 13 for example is a box shape, and the front surface in case portion is provided with the operating portion 13b that is used to carry out the LCD monitor 13a of pictorial display and is used to operate indication etc.In addition, possess the antenna element 15 of reception in the external device (ED) 13 from the subject information of capsule endoscope 12 wireless transmissions.Possess in the antenna element 15 a plurality of antennas 16,16 ....Antenna element 15 is arranged on the jacket 17 that for example those who are investigated 14 wear.
When utilizing capsule type endoscope 12 to check in the body cavitys, externally install in 13, as mobile model subject information recording unit, recording mediums 18 such as compact flash memory (CF, compact flash) (registered trade mark) memorizer for example are installed.To send from capsule type endoscope 12, receive, be recorded in subject information the recording medium 18 by external device (ED) 13 and be taken in the termination 19 such as computer.
In addition, the shape of antenna element 15 is not limited to illustrated shape.In addition, in the present embodiment, antenna element 15 is arranged on the jacket 17 that those who are investigated 14 wear, but also can replaces being arranged on the jacket 17, and directly be attached to those who are investigated 14 body surface.And, utilize hook etc. external device (ED) 13 detachables be installed in those who are investigated 14 for example and be worn on one's body the belt.In addition, can be provided for also in the external device (ED) 13 reporting that the battery allowance battery allowance that there is not much left warning shows use LED, also can constitute replacement described operating portion 13b is set, and on and off switch only is set.
As shown in Figure 6, external device (ED) 13 is installed among the cradle shape support 19a of double as charger, or is electrically connected with termination 19 through not shown USB cable etc.The subject information such as image that are stored in the external device (ED) 13 are taken in the terminal body 19b of termination 19.Carry out image etc. be taken into operation the time, input/operating equipments such as operation keyboard 19c or mouse 19d.Can be shown on the monitoring unit 19e being taken into image in the termination 19 etc. by operation keyboard 19c or mouse 19d etc.
As shown in Figure 7, the capsule type endoscope 12 of present embodiment constitutes the inside that viewing optics described later portion, Lighting Division, peripheral circuit parts, power supply unit is configured in medical capsule housing (below abbreviate capsule as) 110.
Described capsule 110 is by constituting as the observation side cover 111 of the 1st exterior member with as the capsule body 112 of the 2nd exterior member.Observing side cover 111 and described capsule body 112 is tubular, and at one end portion's side has peristome, and the other end forms for example hollow hemisphere portion.Observing boundary face that the main body side peristome end 112a of the end 111a of lid side opening portion of side cover 111 and capsule body 112 constitutes is connected airtight by thermal weld portion 113 watertight ground and is fixed into one.
In addition, in the present embodiment, observing side cover 111 and capsule body 112 is the resin component of thermoplasticity, is formed by the water white PC that has predetermined photopermeability, has an organism fitness simultaneously.
Precalculated position at the private side of the hollow hemisphere portion of observing side cover 111 is provided with the objective lens optical system 114 that makes through these observation side cover 111 incident optical image imagings.Objective lens optical system 114 is made of object lens 115 and the not shown optical lens that is configured in the camera lens frame 116.On the image space of objective lens optical system 114,, dispose for example CCD imager 117 as imaging apparatus.In addition, around objective lens optical system 114, will dispose at grade as a plurality of (for example 4) White LED 118 of lamp optical system.
In the rear side of CCD imager 117, dispose for example a plurality of button cells 121 of signal processing circuit 119, communication processing circuit 120, supply power.Signal processing circuit 119 possesses: make the circuit of White LED 118 luminous drivings, the circuit of driven CCD imager 117 and the circuit of the processing that execution will be generated as picture signal from the image pickup signal of CCD imager 117 outputs etc.Communication processing circuit 120 is carried out the picture signal that signal processing circuit 119 is generated sends to external device (ED) 13 as electric wave processing.The rear end side of button cell 121, be the private side of the hollow hemisphere portion of capsule body 112, dispose antenna 122.This antenna 122 is electrically connected with communication processing circuit 120.Thus, send the signal of handling by communication processing circuit 120 through antenna 122 to external device (ED) 13.
In addition, in the present embodiment, tubular part 123 is arranged in the internal configurations of capsule 110.In the inside of tubular part 123, configuration CCD imager 117, signal processing circuit 119, communication processing circuit 120 and button cell 121.In addition, symbol 124a, 124b are filling parts described later.
Here, with reference to Fig. 8 and Fig. 9 specify that peristome end by the peristome end of observing side cover 111 and capsule body 112 constitutes, as the structure of the boundary face of thermal weld portion.
As shown in Figure 8, in the end 111a of lid side opening portion that constitutes the peristome end of observing side cover 111, be formed with the inner peripheral surface side protuberance 131 of formation with the lid side opening portion of predetermined internal diameter size opening.At the leading section of this inner peripheral surface side protuberance 131, be provided with the 131a of crest line portion that the edge by point forms along complete cycle.
On the other hand, the main body side peristome end 112a in the end of the peristome that constitutes capsule body 112 is formed with the outer peripheral face side protuberance 141 that constitutes the main body side peristome.The diameter dimension of the main body side peristome that outer peripheral face side protuberance 141 constitutes is than the big preliminary dimension of outside dimension that constitutes the inner peripheral surface side protuberance 131 that covers side opening portion.That is, 141 pairs of inner peripheral surface side protuberance 131 chimeric configurations of observing side cover 111 of the outer peripheral face side protuberance of capsule body 112.
The inner peripheral surface of outer peripheral face side protuberance 141 and capsule body 112 is linked by the facial 141a that tilts, and forms continuously.This pass that tilts facial 141a and the 131a of crest line portion is, observes side cover 111 and capsule body 112 when connecting airtight configuration status making, and shown in dotted line, the 131a of crest line portion constitutes the facial 141a interference scheduled volume t that tilts.Therefore, under with the capsule body 112 chimeric states that are configured in the observation side cover 111, the 131a of crest line portion and the facial 141a that tilts become the butt state.
Promptly, as shown in Figure 9, in order to form capsule 110, and make capsule body 112 chimeric being configured in when observing in the side cover 111, become the state that closed space side in the inner peripheral surface side that constitutes capsule 110 is provided with the abutting part that the 131a of crest line portion constitutes with tilting facial 141a butt.
Under this butt state, between the lid outer circumferential side peristome end face 132 of observing side cover 111 and main body outer circumferential side peristome end face 142, be formed with the clearance t of the amount corresponding with interferential part as the leading section of capsule body 112.In addition, this interferential part becomes the part that is melted in ultrasonic bonding operation described later.
On the outer peripheral face of observing side cover 111 and capsule body 112, be formed with stage portion (symbol 125 of Fig. 7), it disposes soldering tip and the mould that constitutes ultrasonic welding machine described later respectively when carrying out ultrasonic bonding.Being formed on the formation position of observing the stage portion 125 in side cover 111 and the capsule body 112 is on the hemisphere face periphery.In addition, in stage portion 125, be formed with and the center of hollow hemisphere portion that link to observe side cover 111 and the ring-shaped flat face 125a of the axis normal at the center of the hollow hemisphere portion of capsule body 112.
Here, explanation will be observed the ultrasonic bonding operation that side cover 111 engages with capsule body 112.In addition, in the inner surface of capsule body 112, in the operation before this ultrasonic bonding operation, assembled the tubular part 123 that disposes CCD imager 117, signal processing circuit 119, communication processing circuit 120, button cell 121 and antenna 122 in advance.
As shown in figure 10, in the mould 151 that constitutes ultrasonic welding machine, the capsule body 112 of tubular part 123 grades has been assembled in configuration.At this moment, the stage portion 125 that is formed in the capsule body 112 is configured on the precalculated position of mould 151.Thus, capsule body 112 is loaded on the mould 151.
Afterwards, as shown in figure 11, dispose observation side cover 111 mutually opposed to each other with respect to the capsule body 112 that is loaded on the mould 151.Afterwards, shown in arrow among the figure, make and observe side cover 111 to capsule body 112 side shiftings, shown in chain-dotted line, of the inner peripheral surface chimeric configuration of the outer peripheral face of inner peripheral surface side protuberance 131 with respect to outer peripheral face side protuberance 141, afterwards, as above-mentioned shown in Figure 9, make the 131a of crest line portion of observation side cover 111 and the facial 141a butt of inclination of capsule body 112.Thus, become the state that between lid outer circumferential side peristome end face 132 and main body outer circumferential side peristome end face 142, forms predetermined gap t.
Below, as shown in figure 12, being formed at the stage portion 125 of observing side cover 111, the butt configuration constitutes the soldering tip 152 of ultrasonic welding machine 150.Thus, finish the preceding setting of processing.Afterwards, ultrasonic welding machine 150 beginning ultrasonic bonding.That is, give trickle ultrasonic vibration to observing side cover 111, simultaneously, give the plus-pressure shown in the arrow to observing side cover 111 from soldering tip 152.
If give ultrasonic vibration to observing side cover 111, then at first, the partial vibration friction of tilt facial 141a and the 131a of crest line portion butt.Thus, produce the ultrasound wave heating, the beginning fusion.
In addition,, only make the amount fusion of interference sections by giving the plus-pressure of the direction of arrow, afterwards, the boundary face butt of lid outer circumferential side peristome end face 132 and main body outer circumferential side peristome end face 142.Like this, this bearing surface is because of ultrasound wave heating fusion.Afterwards, stop to give ultrasonic vibration, cool off.Like this, fused partly solidified because of ultrasound wave heating, form and have the capsule 110 that described observation side cover 111 shown in Figure 7 and capsule body 112 watertight ground is welded integratedly fixed thermal weld portion 113.
Afterwards, from the stage portion 125 of observing side cover 111, unload soldering tip 152, from mould 151, take out and observe side cover 111 and capsule 112 all-in-one-piece capsule 110, for example be accommodated in the containing box.Afterwards, the capsule body 112 that is assembled with new tubular part 123 grades is configured on the mould 151 of ultrasonic welding machine 150, carries out the weld job of back.
In addition, the stage portion 125 in being formed at the observation side cover 111 that is accommodated in the capsule of finishing welding 110 in the containing box and capsule body 112 is filled for example bonding agent, and filling part 124a, 124b are set.Thus, constitute described capsule endoscope shown in Figure 7 12.
In addition, in the present embodiment, show in observing side cover 111 inner peripheral surface side protuberance 131 is set, the structure of outer peripheral face side protuberance 141 is set in capsule body 112, but also can on observation side cover 111, outer peripheral face side protuberance be set, inner peripheral surface side protuberance is set in capsule body 112.
And, also can in advance under making the observation side cover 111 chimeric states that are configured in the capsule body 112, capsule body 112 be configured in the mould 151.
Like this, fetch by the supersonic welding of using ultrasonic welding machine and to observe engaging of side cover and capsule body, thereby only weld part is set, can carry out the one of watertight and fix in the boundary face of observation side cover and capsule body.Thus, by only forming weld part, can not needed the few watertight structure of difference of post-treatment by being easy to process management in boundary face.
In addition, observe side cover and capsule body, can prevent the thermal weld defective that the difference because of parts causes, obtain reliable thermal weld effect by constituting by the same resin parts.
And, front end at the inner peripheral surface side protuberance of observing side cover is provided with crest line portion, and, the inclination face of the inner peripheral surface of outer peripheral face side protuberance that links capsule body continuously and capsule body is formed only by crest line portion interference scheduled volume, thereby the ultrasound wave adstante febre that causes in ultrasonic vibration, begin fusion from the capsule inner surface side of the crest line portion and the facial butt that tilts, can guarantee the watertightness in the capsule really.In addition,, can realize the further raising of watertightness, simultaneously, weld force is increased substantially by welding fixing front end face until outer peripheral face side protuberance.
In addition; by on the precalculated position on the hemisphere face periphery of observing side cover and capsule body; setting has the stage portion with the ring-shaped flat face of orthogonal axe; can dispose under the state of the mould that constitutes ultrasonic welding machine or soldering tip in each stage portion; give uniform plus-pressure in the boundary face of observing side cover and capsule body, carry out ultrasonic bonding, simultaneously; can limit the mould of formation ultrasonic welding machine and the part of soldering tip butt, prevent from by mistake to damage the surface of observing side cover and capsule body.
In addition, in the present embodiment, medical capsule is illustrated as the capsule type endoscope of obtaining subject information such as image information, but medical capsule is not limited to capsule type endoscope, also load the medical capsule of ultrasonic oscillator, or loaded the medical capsule of various pick offs such as temperature sensor, pressure transducer, pH pick off.
Embodiment 3
Figure 13 is the figure of the ultrasonic bonding operation example of explanation embodiments of the invention 3.As shown in the figure, in the present embodiment, configuration ultrasonic welding machine 150 in vacuum drying oven 160 is carried out the ultrasonic bonding operation in vacuum environment.
Promptly, in the present embodiment, shown in Figure 12 as described, to capsule body 112 on the mould 151 that is disposed at ultrasonic welding machine 150, that be assembled with tubular part 123 etc., press the predetermined state configuration and observe side cover 111, and, in the moment that the setting that soldering tip 152 butts is disposed on the stage portion 125 of observing side cover 111 is finished, carry out vacuum drawn, afterwards, carry out weld job.
Thus, by observing in the capsule space that side cover 111 and capsule body 112 form, residual air not.Therefore, beginning during finish the expansion that does not produce the air under the volume-variation from weld job.
Therefore, can prevent to be subjected to the power opposite, can keep reliable welded condition with the direction that will peel off the weld part that forms by ultrasonic bonding.
In addition, the invention is not restricted to the foregoing description, without departing from the spirit and scope of the invention, can carry out various distortion and implement.
As mentioned above, capsule medical apparatus of the present invention can be used for importing to inside of human body, observes the medical finder at tested position, be particularly suitable for guaranteeing the close property of liquid of container, further improve safety, and the hydrophilic of container is improved, the photopermeability of container is improved.
Claims (7)
1. medical capsule housing is characterized in that possessing:
The 1st exterior member, it forms tubular by resin material, has the peristome with predetermined internal diameter size opening an end;
The 2nd exterior member, it forms tubular by resin material, has the peristome with the diameter opening bigger than the outside dimension of the peristome of described the 1st exterior member an end; With
Thermal weld portion, scheduled volume constitutes for the inner peripheral surface of the peristome of described the 2nd exterior member of outer peripheral face side direction of the peristome of described the 1st exterior member is inserted, the fitting portion of described the 1st exterior member and described the 2nd exterior member, utilization is connected airtight it fixing by the thermal weld that the effect from the outside produces
Wherein, described thermal weld portion forms by ultrasonic bonding, on by the boundary face of utilizing described ultrasonic bonding to be constituted by the peristome end of the peristome end of described the 1st exterior member of thermal weld and described the 2nd exterior member, be provided with abutting part, this abutting part is used on described boundary face forming with respect to the capsule housing long axis direction gap of predetermined space, and the ultrasonic bonding starting point that is delivered to the earliest of the vibrational energy when becoming ultrasonic bonding.
2. medical capsule housing according to claim 1 is characterized in that:
Described the 1st exterior member is formed by identical resin material with described the 2nd exterior member.
3. medical capsule housing according to claim 1 is characterized in that:
Described abutting part is by constituting with the lower part: crest line portion, and it forms the peristome end of described the 1st exterior member, is the sharp edges shape; With the face that tilts, it forms the peristome end of described the 2nd exterior member, with the crest line portion butt of described the 1st exterior member.
4. medical capsule housing according to claim 1 is characterized in that:
Described abutting part is arranged on the closed space side that is made of described the 1st exterior member and described the 2nd exterior member.
5. medical capsule housing according to claim 1 is characterized in that:
Described thermal weld portion comprises the peristome front end face of described the 2nd exterior member.
6. medical capsule housing according to claim 1 is characterized in that:
Be provided with hollow hemisphere portion in the end of described the 1st exterior member and described the 2nd exterior member,
The outer peripheral face of this hollow hemisphere portion is provided with stage portion, and this stage portion has the ring-shaped flat face of complete cycle, the axis normal at the center of this ring-shaped flat face and the described hollow hemisphere of binding portion.
7. medical capsule housing according to claim 1 is characterized in that:
The ultrasonic welding machine of ultrasonic bonding of carrying out the peristome end of the peristome end of described the 1st exterior member and described the 2nd exterior member is configured in the vacuum drying oven.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP002424/2004 | 2004-01-07 | ||
| JP2004002424A JP2005192820A (en) | 2004-01-07 | 2004-01-07 | Capsule type medical device |
| JP075066/2004 | 2004-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1909824A CN1909824A (en) | 2007-02-07 |
| CN100420419C true CN100420419C (en) | 2008-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800021350A Expired - Fee Related CN100420419C (en) | 2004-01-07 | 2005-01-07 | Capsule-type medical apparatus, medical capsule housing, and production method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005192820A (en) |
| CN (1) | CN100420419C (en) |
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| US7833151B2 (en) * | 2002-12-26 | 2010-11-16 | Given Imaging Ltd. | In vivo imaging device with two imagers |
| JP4578874B2 (en) * | 2004-07-15 | 2010-11-10 | オリンパス株式会社 | Capsule medical device |
| JP5003486B2 (en) * | 2005-06-03 | 2012-08-15 | コニカミノルタエムジー株式会社 | Capsule endoscope |
| KR101089395B1 (en) * | 2006-11-24 | 2011-12-07 | 올림푸스 메디칼 시스템즈 가부시키가이샤 | Encapsulated endoscope |
| JP5242101B2 (en) * | 2007-08-31 | 2013-07-24 | オリンパスメディカルシステムズ株式会社 | Capsule endoscope |
| JP5269532B2 (en) * | 2008-09-22 | 2013-08-21 | オリンパスメディカルシステムズ株式会社 | Capsule medical device |
| EP2685880A4 (en) * | 2011-03-17 | 2014-08-27 | Given Imaging Ltd | Reusable in-vivo device, system and method of assembly thereof |
| WO2016157529A1 (en) * | 2015-04-03 | 2016-10-06 | 三菱電機株式会社 | Hinge mechanism and electronic device provided with same |
| CN109963499B (en) * | 2016-10-26 | 2022-02-25 | 大冢制药株式会社 | Method for manufacturing capsules with ingestible event markers |
| CN109774163B (en) * | 2017-12-27 | 2024-07-02 | 上海和初医疗科技有限公司 | Capsule welding device and welding method |
| CN108742484B (en) * | 2018-05-30 | 2019-09-13 | 广州众健医疗科技有限公司 | A kind of Novel internal medicine gastroscope |
| CN110089991B (en) * | 2019-04-23 | 2021-07-23 | 南通市传染病防治院(南通市第三人民医院) | Digestive tract lesion treatment operation endoscope positioning device and positioning method thereof |
| CN109998457B (en) * | 2019-04-29 | 2021-07-16 | 大连理工大学 | Active and passive double-hemisphere high-integration capsule robot capable of wirelessly transmitting images |
| CN112674700A (en) * | 2019-10-18 | 2021-04-20 | 华中科技大学鄂州工业技术研究院 | Capsule endoscope system |
| KR102106244B1 (en) * | 2019-10-30 | 2020-05-04 | 한국광기술원 | Capsule type photodynamic therapy apparatus with anchor |
| CN110893689A (en) * | 2019-12-23 | 2020-03-20 | 无锡安之卓医疗机器人有限公司 | Capsule endoscope, hot melting system and hot melting connection method |
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| Publication number | Publication date |
|---|---|
| CN1909824A (en) | 2007-02-07 |
| JP2005192820A (en) | 2005-07-21 |
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