WO2022163144A1 - 照明付き口腔内吸引装置 - Google Patents
照明付き口腔内吸引装置 Download PDFInfo
- Publication number
- WO2022163144A1 WO2022163144A1 PCT/JP2021/045106 JP2021045106W WO2022163144A1 WO 2022163144 A1 WO2022163144 A1 WO 2022163144A1 JP 2021045106 W JP2021045106 W JP 2021045106W WO 2022163144 A1 WO2022163144 A1 WO 2022163144A1
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- WIPO (PCT)
- Prior art keywords
- vacuum
- tip
- light
- hose
- face
- Prior art date
Links
- 239000013307 optical fiber Substances 0.000 claims description 184
- 238000012986 modification Methods 0.000 description 17
- 230000004048 modification Effects 0.000 description 17
- 210000003296 saliva Anatomy 0.000 description 17
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- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 208000016247 Soft tissue disease Diseases 0.000 description 1
- 208000026062 Tissue disease Diseases 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
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- 239000008280 blood Substances 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/06—Saliva removers; Accessories therefor
Definitions
- the present invention relates to an oral suction device having a vacuum tip.
- the oral cavity is one of the important organs connected to other organs.
- soft tissue diseases early detection of tumors in the base of the tongue, in particular, has been extremely difficult because the light does not easily reach the lesions in the oral cavity even when using a general operating light.
- Even in the case of hard tissue disease it was difficult to clearly identify the affected area, especially in the distal buccal side of the maxillary molars and the root canal ostium of the mesial buccal root, because the light from the operating light is difficult to reach.
- a dentist's cutting handpiece or mirror or an assistant's suction vacuum tip enters the narrow space of the oral cavity, a shadow is created. I had to illuminate the affected area so as to avoid Therefore, the angle of the conventional operating light had to be adjusted every time the angle of the patient's mouth changed even slightly.
- a suction device In dentistry, a suction device is used that attaches a suction tool to the tip of a vacuum hose to suck and remove unnecessary matter from the oral cavity.
- the main tip suction tool is a saliva ejector (for example, Patent Document 3) that sucks only liquids (saliva, blood, or water), and both liquids and solids (teeth, metal fragments, etc. that have fallen into the oral cavity). It is a vacuum tip that can be sucked (for example, Patent Documents 1 and 2).
- the suction port of the saliva ejector is provided with a slit or a filter to prevent solids from being sucked.
- the vacuum tip has a tube body with a diameter larger than that of the saliva ejector, and its suction port is also wide open. In dentistry, these two types of tip suction tools are used according to need.
- Patent Document 2 discloses a dental suction mirror in which an optical fiber is fitted in a grip tube.
- Patent Literature 3 discloses a dental suction device provided with an illumination function by attaching an optical fiber to the saliva ejector.
- Patent Document 4 discloses a device in which a bite block fixed in the oral cavity for stably protecting a patient's tongue in dentistry is provided with a lighting function.
- a light source is provided in the part of the device that is chewed by the patient.
- Patent Document 5 Although it is a completely different technical field from the dental medical field, in the lighting of roads and passages, the lighting for photography, etc., the light from the light source is guided and propagated while being reflected inside, and the light is emitted from the side or the tip. is known (Patent Document 5).
- a light emitting chip that also functions as a filter is attached to the suction port at the tip of the bendable saliva ejector.
- An optical fiber extends from a branch point in the middle of the saliva ejector to the tip of the saliva ejector.
- the optical fiber on the saliva ejector is connected to another optical fiber led from the light source at a branch point. Light from the light source is transmitted by the optical fiber along the saliva ejector via the branch point and is scattered and projected by the light emitting tip.
- a flexible hose is connected to the proximal end of the saliva ejector, and the flexible hose is connected to a suction source.
- the illuminated saliva ejector of Patent Document 3 has the problem that two operations are required when setting the suction device.
- the first operation is to connect the saliva ejector and the tip of the flexible hose to set the suction source
- the second operation is to connect the optical fiber from the light source to the branch point in the middle of the saliva ejector. It is to connect and set the light source. Since there are many preparations to be made before dental treatment, it is important to simplify the preliminary operations as much as possible.
- an object of the present invention to provide an intraoral suction device that has a vacuum tip, that enables efficient setting operations before use, and that has a lighting function.
- a first aspect of the present invention includes a vacuum hose connected to a suction source, and a vacuum tip having a tubular body having a proximal end that can be inserted into the distal end of the vacuum hose and a distal end that is a suction port.
- An intraoral suction device comprising: a hose-side light emitting end surface provided on the vacuum hose and arranged to face the tip side of the vacuum hose for outputting light from a light source;
- a guide that is provided on the vacuum chip has a chip-side light incident end surface that is arranged to face the base end of the vacuum chip, and can guide and project light input from the chip-side light incident end surface.
- a light element When the connection between the vacuum chip and the vacuum hose is completed, the hose-side light emitting end face and the tip-side light entering end face can transmit light from the hose-side light emitting end face to the tip-side light entering end face.
- each is positioned as 2)
- the above aspect is characterized in that a light source is fixed on the outer surface or the inner surface of the vacuum hose, and the light emitting surface of the light source is the hose side light emitting end surface.
- a light source fixed on the outer surface or the inner surface of the vacuum hose; a hose-side optical fiber having a proximal end connected to the light emitting surface of the light source and fixed to the vacuum hose; 4)
- the tip surface of the hose-side optical fiber is the hose-side light emitting end surface, and the light from the light source is input and passes through the hose wall of the vacuum hose or through the vacuum hose.
- a hose-side optical fiber mounted on the outer surface or the inner surface, extending along the longitudinal direction, and having a tip surface located at or near the tip of the vacuum hose;
- a tip surface of the hose-side optical fiber is the hose-side light emitting end surface.
- the tubular body of the vacuum tip itself is formed of a light guide that can be guided in the longitudinal direction by total reflection of light
- the tube itself of the vacuum tip is the light guide element
- a base end surface of a tubular body of the vacuum tip is the tip-side light incident end surface.
- the vacuum tip includes a tubular body formed of a core portion extending longitudinally through the inside of the pipe wall and a clad portion forming the pipe wall other than the core portion, and The core part and the clad part are connected to the core and the clad of the input optical fiber branched from the outer surface of the tubular body in the vicinity of the proximal end of the tubular body and extending to the proximal end side of the vacuum tip, the tube itself of the vacuum tip and the input optical fiber are the light guide elements, and A free end of the input optical fiber is characterized by being the chip-side light-incident end face.
- the above aspect is characterized in that the core portion spirally extends within the tube wall with the axis of the tubular body serving as a spiral axis.
- the vacuum tip extends along the longitudinal direction through the tube wall of the vacuum tip, is pulled out from the outer surface of the tubular body near the proximal end of the tubular body, and extends to the proximal end side of the vacuum tip.
- a chip-side optical fiber is the light guide element, and A base end surface of the chip-side optical fiber is the chip-side light incident end surface.
- the tubular body of the vacuum tip itself is formed by a light guide that can guide light in the longitudinal direction by total internal reflection, and a part of the light guide is located near the proximal end of the tubular body. forming a branching portion that branches from the outer surface of the tubular body and extends toward the base end of the vacuum tip,
- the tubular body itself and the branch portion of the vacuum tip are the light guide elements, and A free end of the branch portion is the chip-side light incident end surface.
- one end has a notch and the other end has a locking projection
- an illuminated oral suction device comprising: an attachment having a tubular body having a proximal end that can be inserted into the distal end of a vacuum hose connected to a suction source and a distal end into which a proximal end of a vacuum tip can be inserted; a light source fixed on the outer surface or the inner surface of the tube of the attachment; a light output end face fixed on the outer surface or inner surface of the tubular body of the attachment toward the distal end side of the attachment to output light from the light source; a vacuum tip having a tubular body having a proximal end that can be inserted into the distal end of the attachment and a distal end that is a suction port; a light guide element provided in the vacuum chip, having a light incident end surface arranged to face the base end of the vacuum chip, and capable of guiding and projecting light input from the light incident end surface; has In a state in which connection between the vacuum chip and the attachment is completed, the light output end
- an illuminated oral suction device comprising: an attachment having a tubular body having a proximal end that can be inserted into the distal end of a vacuum hose connected to a suction source and a distal end into which a proximal end of a vacuum tip can be inserted;
- the proximal end is connected to a light source, the distal end and the vicinity of the distal end are fixed on the tubular body outer surface or the tubular inner surface of the attachment, and the light emitting end face for outputting the light from the light source faces the distal end side of the attachment.
- a vacuum tip having a tubular body having a proximal end that can be inserted into the distal end of the attachment and a distal end that is a suction port; a light guide element provided in the vacuum chip, having a light incident end surface arranged to face the base end of the vacuum chip, and capable of guiding and projecting light input from the light incident end surface; has In a state in which connection between the vacuum chip and the attachment is completed, the light output end surface and the light input end surface are positioned so that light can be transmitted from the light output end surface to the light input end surface.
- an intraoral suction device in which a vacuum tip having a light guide element is connected to the tip of a vacuum hose, by performing a suction source setting operation for connecting the vacuum tip to the vacuum hose, at the same time, the vacuum tip An optical connection between the light guide element and the light source is automatically established. Therefore, there is no need to perform two separate setting operations for the suction source and the light source, and preparations before treatment can be made more efficient.
- the vacuum tip can be freely moved within the oral cavity as needed. Therefore, a desired site in the oral cavity can be immediately illuminated with the illuminated vacuum tip.
- FIG. 1 is a schematic cross-sectional view of an illuminated intraoral suction device according to the present invention, where (a) shows a state in which a vacuum tip is connected to a vacuum hose, and (b) shows a state in which it is removed. (c) shows a modified form.
- 2(a) is a schematic enlarged view of region I in FIG. 1
- (b) is a schematic cross-sectional view along line II-II in FIG. 1
- (c) is line III in FIG. -III is a schematic cross-sectional view.
- FIG. 3 is a schematic cross-sectional view of a second embodiment of an illuminated intraoral suction device, in which (a) shows a state in which the vacuum tip is connected to the vacuum hose, and (b) shows a state in which it has been removed.
- (c) is another embodiment of the light source unit.
- 4(a) is a schematic enlarged view of the IVa area in FIG. 3
- (b) is a schematic cross-sectional view along the line Va-Va in FIG. 3
- (c) is the VI area in FIG. is a schematic enlarged view of.
- 5(a) is a schematic enlarged view of the IVb region of FIG.
- (b) is a schematic cross-sectional view along the line Vb-Vb of FIG.
- FIG. 6 is a schematic cross-sectional view of a third embodiment of an illuminated intraoral suction device, in which (a) shows a state in which the vacuum tip is connected to the vacuum hose, and (b) shows a state in which it has been removed.
- 7(a) is a schematic enlarged view of the VIIa region in FIG. 3
- (b) is a schematic enlarged view of the VIIb region in FIG. 3
- (c) is a schematic enlarged view of the VIIc region in FIG. is.
- 8A is a schematic cross-sectional view along line VIIIa-VIIIa in FIG. 3, and FIG.
- FIG. 8B is a schematic cross-sectional view along line VIIIb-VIIIb in FIG.
- FIG. 9 is a schematic cross-sectional view of a fourth embodiment of an illuminated intraoral suction device, in which (a) shows a state in which the vacuum tip is connected to the vacuum hose, and (b) shows a state in which it has been removed.
- 10A and 10B are schematic cross-sectional views of a modification of the fourth embodiment, in which (a) shows the state in which the vacuum chip is connected to the vacuum hose, and (b) shows the state in which it is removed.
- FIG. 11 shows a schematic cross section of an embodiment of an illuminated intraoral suction device including an attachment.
- Figure 12 shows a schematic cross section of another embodiment of an illuminated intraoral suction device including an attachment.
- FIG. 13 is a schematic side view of an embodiment of an illuminated intraoral suction device provided with a lock mechanism, where (a) is the state before connection, and (b) is the vacuum tip of (a) viewed in the IX direction. It is a diagram. (c) shows the state after connection is completed.
- FIG. 14 shows an example of another combination of vacuum hose and vacuum tip in an embodiment with a locking mechanism.
- FIG. 15 shows a schematic side view of the connecting portion of the attachment and the vacuum tip in the illuminated intraoral suction device, where (a) shows the state before connection, and (b) shows the state after the completion of connection.
- FIG. 16 shows an example of another combination of attachment and vacuum tip in an embodiment having a locking mechanism.
- FIG. 1 is a schematic cross-sectional view of a first embodiment of an illuminated intraoral suction device, in which (a) shows a state in which a vacuum tip 1 is connected to a vacuum hose 2, and (b) indicates the removed state.
- This cross section is a vertical cross section that appears when the vacuum chip 1 and the vacuum hose 2 are divided in half along their longitudinal direction (the same applies to similar drawings below).
- the vacuum tip 1 the side connected to the vacuum hose 2 is referred to as the "base end”, and the opposite side is referred to as the "tip end”.
- the suction source side is referred to as the "base end”
- the connection side with the vacuum chip 1 is referred to as the "tip end”.
- the intraoral suction device has a vacuum tip 1 having a rigid tubular body and a flexible vacuum hose 2 .
- a base end of the vacuum hose 2 is connected to a suction source (not shown) such as an exhaust pump.
- a suction source such as an exhaust pump.
- Common vacuum tip materials are plastic, for example polypropylene, or metal.
- the material of the vacuum hose 2 is, for example, soft vinyl chloride, silicone rubber, polyurethane resin, or the like.
- the insertion port 17 at the base end of the vacuum chip 1 can be inserted into the tip of the vacuum hose 2.
- the insertion port 17 of the vacuum chip 1 is inserted into the vacuum hose 2 by a predetermined length (for example, 1 to 2 cm).
- a joint portion 3 indicates an overlapping portion of the vacuum chip 1 and the vacuum hose 2 .
- a stopper such as a projection may be provided on the inner surface of the vacuum hose 2 so that the length of the joint portion 3 is always constant.
- a suction port 11 is provided at the tip of the vacuum chip 1 . The operator holds the vicinity of the base end portion of the vacuum tip 1 by hand and moves the vacuum tip 1 in the oral cavity to perform necessary suction.
- the tubular body of the vacuum tip 1 extends curvedly at least partially from the proximal end to the distal end in the illustrated example.
- the approximate length from the proximal end to the distal end of the vacuum tip 1 is, for example, 10 to 15 cm.
- the vacuum tip 1 may be a generally curved tube, a tube extending straight, or a tube bent at a 90° or obtuse angle along the way.
- the cross-sectional shape perpendicular to the longitudinal direction of the tubular body is generally circular or elliptical.
- the suction port 11 has a shape in which the tip of the tubular body is cut obliquely with respect to the longitudinal direction. Since the vacuum tip 1 is usually used with the side facing the suction port 11 facing the object to be suctioned, the convex curved surface on the side facing the suction port 11 is the working side surface 12, and the concave curved surface on the opposite side. becomes the non-working side 13 . As another example, the suction port 11 may be fitted with a rubber chip. Since the vacuum tip 1 sucks both solids and liquids in the oral cavity, it is preferable that the opening area of the suction port 11 is large, assuming that solids are sucked. The suction port 11 may be shaped like a trumpet to expand the opening area. As an example, the inner diameters of the insertion port 17 and the suction port 11 of the vacuum chip 1 are about 8 mm to 20 mm.
- the vacuum tip 1 has a lighting function for illuminating the oral cavity.
- the working side 12 and/or the perimeter of the suction opening 11 are preferably illuminated.
- the illumination range is not limited to this, and can be configured so that the entire circumference of the vacuum tip 1 including the non-working side 13 is illuminated.
- the intraoral suction device of the present invention has at least the following configuration.
- hose-side light emitting end face provided on the vacuum hose 2 and arranged to face the tip side of the vacuum hose 2 for outputting light from the light source; - having a light guide element 6 provided on the vacuum tip 1 and having a tip-side light-entering end face arranged to face the proximal side of the vacuum tip 1; - in a state in which the connection between the vacuum tip 1 and the vacuum hose 2 is completed, the hose-side light emitting end face and the tip-side light entering end face are capable of transmitting light from the hose-side light emitting end face to the tip-side light entering end face; located respectively.
- the hose-side light emitting end surface is, for example, the light emitting surface of the light source or the tip end surface of the optical fiber connected to the light source.
- the light guide element 6 guides the light input from the chip-side light incident end face to the tip side of the vacuum chip 1 and can project it from the side surface and/or the tip of the light guide element 6 .
- the light guide element 6 can be provided on the tube outer surface of the vacuum tip 1, on the tube inner surface or in the tube wall. Alternatively, the light guide element 6 can also be formed by the tube of the vacuum tip 1 itself.
- the position where "light can be transmitted from the hose-side light emitting end face to the tip-side light entering end face” is preferably a position where the hose-side light emitting end face and the tip-side light entering end face face each other and contact each other without a gap. is.
- the term "abutting” is used herein in a broader sense. If the contact state allows most of the light (e.g., 90% or more) emitted from the hose-side light emitting end face to enter the tip-side light entering end face, there may be a slight gap between the two end faces. are included in the "abutting" position.
- FIG. 2(a) is a schematic enlarged view of region I in FIG. 1
- (b) is a schematic cross-sectional view along line II-II in FIG. 1
- (c) is line III in FIG. -III is a schematic cross-sectional view.
- the approximate traveling direction of light is schematically indicated by white arrows (the same applies to similar drawings below).
- a light source section 4A is attached to the outer surface of the vacuum hose 2 near its tip.
- the light source unit 4A includes an appropriate housing fixed on the outer surface of the vacuum hose 2, and a light source device 41 housed in the housing.
- the light source device 41 is, for example, a light emitting diode (LED) or a halogen lamp.
- the light source device 41 is configured to emit light toward the tip side of the vacuum hose 2 .
- the light emitting surface 42 is exposed on the housing side surface facing the tip side of the vacuum hose 2 .
- a proximal end of a hose-side optical fiber 43 is connected to the light-emitting surface 42 , and light from the light source device 41 enters the hose-side optical fiber 43 .
- the hose-side optical fiber 43 is, for example, integrally formed with the housing of the light source section 4A and supported by a support section 45 having a through hole.
- the tip surface 44 of the hose-side optical fiber 43 is fixed so as to face the tip side of the vacuum hose 2 .
- the tip surface 44 is perpendicular to the axis of the cylindrical joint portion 3 shown in FIG. 1(a).
- the tip surface 44 of the hose-side optical fiber 43 is the hose-side light emitting end surface.
- This relatively short hose-side optical fiber 43 is not an essential element, but plays a role in adjusting the position of the hose-side light emitting end surface in the axial direction.
- the control section 7 is attached near the light source section 4A.
- the control unit 7 is connected to a power supply (not shown) such as a commercial power supply or a storage battery via a conductor, and is supplied with power.
- the control unit 7 and the light source unit 4A are electrically connected and can supply power to the light source device 41 .
- the control unit 7 has at least a switch for turning on and off the power.
- a switch operating portion is provided on the outer surface of the housing of the control portion 7 .
- the control unit 7 can also have a function of adjusting the intensity of illumination. In that case, an operation unit for adjustment is also provided on the outer surface of the housing. An operator can turn on/off or adjust the lighting function by operating a switch or the like.
- the light source section 4A and the control section 7 are provided separately, but in another example, they may be provided in one housing.
- the power source is a small battery or rechargeable battery
- the power source can be housed in the controller 7 .
- the controller 7 may not be attached to the vacuum hose 2 and may be provided at a location other than the intraoral suction device.
- the components of the control unit 7 can be integrated into the operating panel of the dental unit.
- reference numeral 1 indicates a vacuum chip as a higher concept
- the reference numeral 1 is denoted by 1A, 1B, . . etc. indicate the vacuum chip of each embodiment.
- reference numeral 6 indicates a light guide element as a higher concept
- the reference numerals 6A, 6B, . . etc. indicate the light guide element of each embodiment.
- the term "light guide element” is used as a generic concept meaning a member capable of transmitting light.
- a tip-side optical fiber 6A extending along the longitudinal direction is attached to the outer surface of the tubular body of the vacuum tip 1A (the boundary between the core and the clad of the optical fiber is schematically indicated by a broken line. but same).
- this chip-side optical fiber 6A is a light guide element in the vacuum chip 1A.
- the tubular body of the vacuum chip 1A does not need a light guiding function, the tubular body can be made of an opaque material such as a material used for general vacuum chips.
- the tip-side optical fiber 6 A is mounted on the working side 12 .
- the chip-side optical fiber 6A is fixed to the outer surface of the vacuum chip 1A by a fixing portion 64 such as an adhesive.
- the light emitting portion 62 at the tip of the tip-side optical fiber 6A is positioned near the suction port 11, as an example.
- the position of the light emitting portion 62 is not limited to the illustrated position, and may be closer to the suction port 11 or farther from the suction port 11 .
- the light output portion 62 may be provided with a member that scatters or diffuses light.
- the optical fiber can emit light from the side, light can be projected from the side surface of the tip-side optical fiber 6A instead of or in addition to the light emitting portion 62 at the tip. In that case, for example, the tip-side optical fiber 6A can be irradiated only near the tip, half of the tip, or the entire tip.
- a light entrance portion 61 near the base end of the chip-side optical fiber 6A is raised slightly away from the outer surface of the vacuum chip 1A and extends toward the base end side of the vacuum chip 1A.
- the rise of the light entrance portion 61 of the tip-side optical fiber 6 A is provided for alignment with the hose-side optical fiber 43 .
- a base end surface 63 of the tip-side optical fiber 6A faces the base end side of the vacuum tip 1A.
- the base end surface 63 is perpendicular to the axis of the cylindrical joint portion 3 shown in FIG. 1(a).
- the base end face 63 of this chip-side optical fiber 6A is the chip-side light incident end face.
- the light entrance portion 61 may be surrounded and sealed with a member made of hard resin or the like.
- a recess 46 is formed at the tip of a support portion 45 formed in the housing of the light source portion 4A.
- the proximal end of the chip-side optical fiber 6A can be inserted into this concave portion 46 .
- Recess 46 is useful for positioning and support, but is not required.
- one light source unit 4A and one chip-side optical fiber 6A are shown, but as another example, a plurality of light source units 4A and a plurality of chip-side optical fibers 6A corresponding to them are connected to a vacuum hose. 2 and the vacuum chip 1 may be arranged on the outer surface of each at a predetermined interval along the circumferential direction. In that case, power can be supplied from one control unit 7 to a plurality of light source units 4A.
- the tip surface 44 of the hose-side optical fiber 43 which is the hose-side light emitting end surface, faces the base end surface 63 of the chip-side optical fiber 6A, which is the tip-side light input end surface, so that light is emitted. They can abut each other in a communicable manner.
- the insertion operation is basically performed by moving the vacuum chip 1A in the axial direction of the joint portion 3. As shown in FIG.
- the position of the hose-side light emitting end face of the vacuum hose 2 and the position of the chip-side light entering end face of the vacuum chip 1 are set so as to realize this contact state.
- the contact surfaces of the hose-side light emitting end face and the tip-side light entering end face are not necessarily perpendicular to the axial direction of the joint portion 3, and may be inclined. Alternatively, if one of the hose-side light-emitting end face and the tip-side light-entering end face is convex and the other is concave, the contact surface is a curved surface.
- the hose-side light-emitting end face (distal face 44) and the tip-side light-entering end face (base end face 63) are in contact with each other so that all the light emitted from the hose-side light-emitting end face enters the tip-side light-entering end face. is optimal. For this reason, it is preferable to set the positions of both so that the entire region of the hose-side light emitting end face is included in the region of the tip-side light entering end face when viewed from the axial direction of the joint portion 3 . This also applies to the following other embodiments.
- FIG. 1(c) shows a modified form of the first embodiment.
- a tip-side optical fiber 6A which is a light guide element, is attached on the inner surface of the tube. This inner surface corresponds to the back surface of the non-working side 13 .
- a light emitting portion 62 at the tip of the tip-side optical fiber 6A is positioned near the suction port 11 and can illuminate the surroundings of the suction port 11 from the inside.
- a light incident portion 61 in the vicinity of the proximal end of the tip-side optical fiber 6A penetrates the tubular body of the vacuum tip 1A and is pulled out to the outside.
- a base end surface 63 of the chip-side optical fiber 6A is a chip-side light incident end surface.
- FIG. 1(c) also shows a modified form of the light source part 4A provided on the vacuum hose 2.
- the light source unit 4A fixed on the outer surface near the tip of the vacuum hose 2 is not provided with the hose-side optical fiber 43 shown in FIG. This is the light output end face.
- the light entrance portion 61 of the tip-side optical fiber 6A is moved along the inner surface of the tubular body to the vacuum tip 1A. may extend to the proximal surface of the In that case, vacuum hoses in some embodiments described later can be combined. In these combinable vacuum hoses, the hose-side light-outgoing end face is provided inside the vacuum hose.
- FIG. 3 is a schematic cross-sectional view of a second embodiment of an illuminated intraoral suction device, in which (a) shows the state in which the vacuum tip 1 is connected to the vacuum hose 2, and (b) shows the state in which it is removed. .
- (c) is another embodiment of the light source unit 4B.
- 4(a) is a schematic enlarged view of the IVa area in FIG. 3
- (b) is a schematic cross-sectional view along the line Va-Va in FIG. 3
- (c) is the VI area in FIG. is a schematic enlarged view of.
- FIG. 5(a) is a schematic enlarged view of the IVb region in FIG. 3
- (b) is a schematic cross-sectional view along line Vb-Vb in FIG.
- the subscripts a and b in FIGS. 4 and 5 mean different variations.
- each light source part 4B is arranged along the circumferential direction of the inner surface of the vacuum hose 2 at predetermined intervals.
- the light source unit 4B includes an appropriate housing fixed on the inner surface of the vacuum hose 2, and a light source device 41 housed in the housing. In this case, the size of the light source section 4B is designed so as not to affect the suction function of the suction device.
- the internal configuration of the light source section 4B is the same as that of the light source section 4A of the first embodiment described above, and the light source device 41 is, for example, an LED or a halogen lamp.
- a light emitting surface 42 of the light source device 41 faces the tip side of the vacuum hose 2 .
- the light emitting surface 42 is perpendicular to the axis of the cylindrical joint portion 3 shown in FIG. 3(a).
- the light emitting surface 42 of this light source device 41 is the hose side light emitting end face.
- the light source unit 4B may be configured so that the tip surface 44 of the vacuum hose 2 faces the tip side of the vacuum hose 2 .
- the tip surface 44 of the hose-side optical fiber 43 becomes the hose-side light emitting end surface.
- control section 7 is attached on the outer surface of the vacuum hose 2 .
- the control unit 7 is connected to a power supply (not shown) via a lead wire.
- the control unit 7 is configured in the same manner as in the above-described first embodiment, has a switch for turning on/off the power supply to the light source unit 4B, and has an illumination intensity adjusting unit as necessary.
- the controller 7 and the light source 4B are electrically connected by a lead wire 71 that passes through a through hole 72 in the tube wall of the vacuum hose 2.
- a lead wire 71 that passes through a through hole 72 in the tube wall of the vacuum hose 2.
- power can be supplied from one control unit 7 to the plurality of light source units 4B.
- the vacuum chip 1B is almost entirely formed of a tubular light guide made of a uniform material. publication).
- This light guide is formed by molding, for example, a transparent acrylic resin into the shape of the vacuum chip 1B.
- the inner surface and the outer surface of the tube wall are configured to be mirror surfaces with respect to the inside of the tube wall, except for the light entrance section and the light projection section.
- suitable reflective coatings may be provided on the inner and outer surfaces of the tube wall. Therefore, this light guide takes in light from a light source arranged outside, causes the taken-in light to be totally reflected inside the tube wall, and projects it to the outside from the tip or from the side surface in the middle as necessary. can be done. Therefore, in the second embodiment, the tube itself of the vacuum tip 1B is the light guide element in the vacuum tip 1B.
- the base end surface 15 of the tubular body of the vacuum chip 1B is perpendicular to the axis of the cylindrical joint portion 3 shown in FIG. 3(a).
- the base end surface 15 naturally faces the base end side of the vacuum chip 1B.
- the base end face 15 of this vacuum chip 1B is the chip-side light incident end face.
- a part of the tube wall of the vacuum chip 1B is formed with, for example, a plurality of grooves or protrusions, or a prism portion 16 having a rough surface, so that the external It is also possible to project light onto the In addition, in the light projecting part, no reflective coating layer is provided on the outer surface of the tubular body.
- Various methods of projecting light from the sides of a light guide are well known.
- one or a plurality of light emitting surfaces 42 which are the hose-side light emitting end surfaces, and the base end surface 15 of the tubular body of the vacuum chip 1B, which is the chip-side light incident end surface, face each other, They can abut against each other in a light transmissible state.
- light emitting surfaces 42 which are the hose-side light emitting end surfaces
- base end surface 15 of the tubular body of the vacuum chip 1B which is the chip-side light incident end surface
- the tip surface 44 of the hose-side optical fiber 43 connected to the light source unit 4B and the base end surface 15 of the tubular body of the vacuum chip 1B, which is the chip-side light incident end surface, are They can face each other and abut each other in a state capable of transmitting light.
- FIG. 3 the light-guiding elements of the vacuum chip 1C in the variant are not specifically represented in FIG. 3, but are shown in FIG.
- the light guide element in the vacuum chip 1C is different from that of the second embodiment of FIG. 4, but the configuration other than that is the same as that of the second embodiment. Therefore, the hose-side light emitting end surface is also the light-emitting surface 42 of the light source device 41 (the tip surface 44 of the hose-side optical fiber 43 in the case of the light source unit 4B in FIG. 3C).
- the vacuum tip 1C is provided with one or a plurality of tip-side optical fibers 6B extending along the longitudinal direction through the inside of its tube wall.
- the tip of the tip-side optical fiber 6B is located at or near the tip of the vacuum tip 1C.
- the tip-side optical fiber 6B is the light guide element in the vacuum tip 1C.
- a base end surface 63 of the chip-side optical fiber 6B is a chip-side light incident end surface.
- a base end surface 63 of the tip-side optical fiber 6B is located in the same plane as the base end surface of the vacuum chip 1C. Therefore, the base end surface 63 of the chip-side optical fiber 6B naturally faces the base end side of the vacuum chip 1C.
- a plurality of chip-side optical fibers 6B corresponding to each of them are provided on the vacuum chip 1C.
- the number of light source units 4B can be, for example, two to six. In that case, when the vacuum chip 1 is inserted into the vacuum hose 2, the position of each chip-side optical fiber 6B is adjusted so that the position of the base end surface 63 of each chip-side optical fiber 6B coincides with the position of each light emitting surface 42. is set.
- the vacuum chip 1C has four chip-side optical fibers 6B 1 , 6B 2 , 6B 3 and 6B 4 (each chip side optical fibers are distinguished by subscripts), which are embedded at angular intervals of 90° in the circumferential direction.
- the position in the circumferential direction of the chip-side optical fiber 6B is not limited to the illustrated example.
- a plurality of light source units 4B may be arranged so that more chip-side optical fibers 6B are arranged closer to the working side surface 12 shown in FIG. 3(a).
- the light input to the chip-side optical fiber 6B can be projected from the tip of the chip-side optical fiber 6B. If the tip-side optical fiber 6B extends to the tip of the vacuum tip 1C and projects light only from the tip, it is not necessary to make the tubular body of the vacuum tip 1C transparent or translucent. As another example, the light can be projected from the side surface of the tip-side optical fiber 6B, preferably from the side surface near the tip. When light is projected from the side surface of the tip-side optical fiber 6B, the tubular body of the vacuum chip 1C must be transparent or translucent so as to transmit light at least at the light projecting portion.
- the transparent or translucent material is, for example, an acrylic resin, but is not limited to this.
- FIGS. 5(c) and 5(d) are schematic side views of the portion near the tip of the vacuum chip 1C, illustrating still another modification.
- the tip or the vicinity of the tip of one or more tip-side optical fibers 6B is exposed on the tube outer surface or the tube inner surface of the vacuum chip 1C.
- tips 6B 11 and 6B 21 of tip-side optical fibers 6B 1 and 6B 2 are exposed on the outer surface of the tubular body, respectively, and tips 6B 31 of tip-side optical fiber 6B 3 are exposed on the inner surface of the tubular body. exposed to In FIG.
- the tip-side optical fiber 6B3 has its tip vicinity 6B32 exposed on the tube outer surface for a predetermined length and penetrates the tube wall, and its tip 6B31 is on the tube inner surface. exposed to In this modification, light is emitted from at least the portion exposed on the outer surface of the tubular body or on the inner surface of the tubular body. In this case, the tubular body of the vacuum chip 1C does not have to be transparent or translucent.
- one or a plurality of light emitting surfaces 42 that are hose side light emitting end surfaces (in the case of the light source part 4B in FIG. 3C, the tip surface 44 of the hose side optical fiber 43).
- FIG. 6 is a schematic cross-sectional view of a third embodiment of an illuminated intraoral suction device, in which (a) shows the state in which the vacuum tip 1 is connected to the vacuum hose 2, and (b) shows the state in which it is removed.
- . 7(a) is a schematic enlarged view of the VIIa region in FIG. 3
- (b) is a schematic enlarged view of the VIIb region in FIG. 3
- (c) is a schematic enlarged view of the VIIc region in FIG. is.
- Subscripts a, b, and c represent different variations.
- 8A is a schematic cross-sectional view along line VIIIa-VIIIa in FIG. 3
- FIG. 8B is a schematic cross-sectional view along line VIIIb-VIIIb in FIG. Subscripts a and b represent different variations.
- a third embodiment of the intraoral suction device will be described with reference to FIGS.
- the light guide element of the vacuum chip 1C of the third embodiment is not specifically shown in FIG. 6, but is shown in FIG. 7(a).
- a light source section 4A is attached to the outer surface of the vacuum hose 2 near its tip.
- the light source unit 4A includes an appropriate housing fixed on the outer surface of the vacuum hose 2, and a light source device 41 housed in the housing.
- the internal configuration of the light source section 4A is the same as that of the light source section 4A of the first embodiment, and the light source device 41 is, for example, an LED or a halogen lamp.
- a light emitting surface 42 of the light source device 41 faces the tip side of the vacuum hose 2 .
- the light emitting surface 42 is perpendicular to the axis of the cylindrical joint portion 3 shown in FIG. 6(a).
- the light emitting surface 42 of this light source device 41 is the hose side light emitting end surface.
- the control unit 7 connected to the light source unit 4A can have the same configuration as in the first embodiment.
- a plurality of light source units 4 ⁇ /b>A may be provided along the circumferential direction of the vacuum hose 2 .
- the vacuum chip 1D has a branch portion 14 near its proximal end and at a position closer to the distal side than the joint portion 3.
- the branch portion 14 is branched from the outer surface of the tubular body and slightly raised, and extends by a predetermined length toward the base end side of the vacuum tip 1D.
- the branch portion 14 includes part of the light guide elements of the vacuum chip 1D.
- the rise of branch 14 is provided for alignment of the light guide elements.
- FIG. 7(a) shows an enlarged area including the branch portion 14.
- FIG. The tubular body of the vacuum tip 1D is formed of a core portion 6C1 extending longitudinally through the inside of the tube wall, and a clad portion 6C2 forming a tube wall region other than the core portion 6C1.
- the core portion 6C1 is made of the same material as the core of a general resin-based optical fiber
- the clad portion 6C2 is made of the same material as the clad of a general resin-based optical fiber. Therefore, the tubular body of the vacuum chip 1D has the same structure as a general resin optical fiber.
- Light transmitted through the core portion 6C1 can be projected from the suction port 11 at the tip. Also, the light propagating through the core portion 6C1 can be projected from the side of the tube, preferably from the side near the tip, instead of or in addition to the projection from the tip.
- the input optical fiber 6C runs along the longitudinal direction inside the branch portion 14 .
- the input optical fiber 6C is protected and fixed by being surrounded and sealed by an optical fiber supporting portion 18 made of hard resin or the like.
- the core of the input optical fiber 6C is continuous with the core portion 6C1 of the tube and is made of the same material.
- the clad of the input optical fiber 6C is continuous with the clad portion 6C2 of the tube and is made of the same material. Therefore, in the third embodiment, the tube itself of the vacuum chip 1D and the input optical fiber 6C are light guiding elements.
- the free end 63 of the input optical fiber 6C is in the same plane as the free end of the branch portion 14.
- a portion of the input optical fiber 6C including the free end 63 can be inserted into the concave portion 46 of the support portion 45 formed on the tip side of the housing of the light source portion 4A. This recess 46 is useful for positioning and support, but is not required.
- a free end 63 of the input optical fiber 6C is the chip-side light receiving end face.
- FIG. 8(a) A modification of the third embodiment shown in FIG. 7(a) will be described with reference to FIGS. 8(a) and 8(b).
- a core portion 6C1 inside the tube wall of the vacuum tip 1D spirally extends toward the tip inside the tube wall with the axis of the tube as the spiral axis.
- a plurality of input optical fibers 6C are passed through the branch portion 14 as a bundle, and the core of each input optical fiber 6C is arranged within the tube wall. It is continuous with each of the plurality of core portions 6C1. Each of the plurality of core portions 6C1 spirally extends toward the distal end within the tube wall with the axis of the tubular body serving as the helical axis.
- the entire periphery of the vacuum tip 1D can be illuminated by projecting light from the side of the tube.
- the light guide elements are arranged in a spiral with the axis of the tube as the helical axis. can be placed.
- FIG. 7(b) shows an enlarged view of a region including the branch portion 14.
- a tip-side optical fiber 6D extends along the longitudinal direction inside its tube wall.
- the tip of the tip-side optical fiber 6D is positioned at or near the suction port 11 .
- the tip-side optical fiber 6D has a core 6D1 and a clad 6D2 like a normal optical fiber. Therefore, in this variant, the tip-side optical fiber 6D is the light guide element in the vacuum tip 1E. Light transmitted through the chip-side optical fiber 6D can be projected from the tip of the chip-side optical fiber 6D.
- light may be projected from the side of the tip-side optical fiber 6D, preferably from the side near the tip.
- the tube material surrounding the tip-side optical fiber 6D does not need to be transparent.
- the tubular body is made of a transparent or translucent material.
- the tip or the vicinity of the tip of the tip-side optical fiber 6D is exposed on the outer surface or the inner surface of the tubular body of the vacuum tip 1E in the same manner as the embodiment shown in FIG. 5(c).
- the tip-side optical fiber 6D is pulled out from the outer surface of the tubular body in the vicinity of the proximal end of the tubular body, passes through the inside of the branch portion 14, and extends a predetermined length toward the proximal end side of the vacuum tip 1E.
- the proximal end of the chip-side optical fiber 6D is located in the same plane as the free end of the branch portion 14. As shown in FIG. At the branch portion 14, the chip-side optical fiber 6D is protected and fixed by being surrounded and sealed by an optical fiber support portion 18 made of hard resin or the like.
- the proximal end of the chip-side optical fiber 6D can be inserted into the concave portion 46 of the support portion 45 formed on the distal end side of the housing of the light source portion 4A. This recess 46 is useful for positioning and support, but is not required.
- a base end surface 63 of the chip-side optical fiber 6D is a chip-side light incident end surface.
- FIG. 7(c) shows an enlarged region including the branch portion 14.
- FIG. 7(c) shows an enlarged region including the branch portion 14.
- the tubular body of the vacuum chip 1F and its branch portion 14 are formed of a light guide.
- This light guide is the same as the tubular body of the vacuum chip 1B of the second embodiment described above, and is made of, for example, a transparent acrylic resin, and is provided with a reflective coating layer on its surface if necessary.
- the light input from the free end of the branch portion 14 enters the tubular body from the branch portion 14 while being totally reflected, and is guided toward the tip. Similar to the vacuum chip 1B described above, light can be projected from the tip or from the side in the middle as needed. Therefore, in this variant, the tube itself and the branch 14 of the vacuum tip 1F are light guide elements in the vacuum tip 1F.
- the branch portion 14 can be inserted into the recess 46 of the support portion 45 formed in the housing of the light source portion 4A. This recess 46 is useful for positioning, but is not essential.
- a free end 15 of the branch portion 14 is the chip-side light incident end face.
- one light source unit 4A and one branching unit 14 are illustrated, but as another example, a plurality of light source units 4A and a plurality of branching units 14 corresponding to them can be combined with a vacuum.
- the hose 2 and the vacuum chip 1 can also be arranged at predetermined intervals along the circumferential direction of the respective outer surfaces.
- FIG. 9 is a schematic cross-sectional view of a fourth embodiment of an illuminated intraoral suction device, in which (a) shows the state in which the vacuum tip 1 is connected to the vacuum hose 2, and (b) shows the state in which it is removed. .
- the configuration of the vacuum hose 2 is different from each embodiment described above.
- the light source section 4A that houses the light source device 41 is not attached to the vacuum hose 2.
- the light source unit 4A is installed at an arbitrary location (for example, on the floor of the dental treatment room).
- the control section for controlling the power supply can be incorporated in the light source section 4A or the operation panel of the dental unit, for example.
- the proximal end of the hose-side optical fiber 43 is connected to the light emitting surface 42 of the light source section 4A.
- the hose-side optical fiber 43 is introduced into the hose wall of the vacuum hose 2 at a predetermined point in the middle of the vacuum hose 2 .
- the hose-side optical fiber 43 extends to the tip of the vacuum hose 2 through the inside of the hose wall.
- the portion near the tip of the hose-side optical fiber 43 is pulled out from the outer surface of the vacuum hose 2 and extends to the tip of the vacuum hose 2 .
- the periphery of the pulled-out tip portion of the hose-side optical fiber 43 is protected and fixed by sealing with an optical fiber support portion 28 made of hard resin or the like.
- the tip surface 44 of the hose-side optical fiber 43 is the hose-side light emitting end surface.
- FIG. 9 as the vacuum chip 1 combined with the vacuum hose 2, the vacuum chip 1D (in which the core portion 6C1 is spirally arranged) shown in FIG. 8(a) is combined.
- the vacuum chips 1A, 1E, and 1F described above can also be combined as the vacuum chip 1.
- FIG. That is, the vacuum hose 2 of FIG. 9 can be combined with a vacuum tip having a tip-side light-incident end face on the outside of the tubular body.
- the tip of the hose-side optical fiber 43 may be extended straight to the tip of the hose wall without being pulled out of the vacuum hose 2 .
- the positions of the chip-side light incident end faces of the vacuum chips 1A, 1D, 1E, and 1F to be combined are set at positions facing the tip end face 44 of the hose-side optical fiber 43 .
- FIG. 10A and 10B are schematic cross-sectional views of a modification of the fourth embodiment, in which (a) shows a state in which the vacuum chip 1 is connected to the vacuum hose 2, and (b) shows a state in which it is removed.
- the tip of the hose-side optical fiber 43 is pulled out from the inner surface of the vacuum hose 2 and extends toward the tip of the vacuum hose 2 by a predetermined length.
- the pulled-out tip of the hose-side optical fiber 43 is protected and fixed by sealing with an optical fiber support 28 made of hard resin or the like.
- the vacuum hose 2 shown in FIG. 10 can be combined with the vacuum chips 1B and 1C shown in FIG. 3 described above. That is, the vacuum hose 2 of FIG. 10 can be combined with a vacuum tip having a tip-side light incident end face on the base end face of the tubular body.
- the hose-side optical fiber 43 can be placed on the outer surface or the inner surface of the vacuum hose 2 along the longitudinal direction instead of passing through the hose wall of the vacuum hose 2. can also be installed.
- hose-side optical fiber 43 Although only one hose-side optical fiber 43 is shown in FIGS. 9 and 10, a plurality of hose-side optical fibers 43 (for example, 2 to 6) are arranged along the circumferential direction of the vacuum hose 2 at appropriate intervals. may be placed. In that case, the vacuum chip 1 is combined with light guide elements corresponding to the plurality of hose-side optical fibers 43 . Also, one hose-side optical fiber 43 may be one bundle of a plurality of optical fibers.
- FIG. 11 shows a schematic cross-section of an illuminated intraoral suction device including attachment 8A.
- the light source section 4A or 4B and the control section 7 are fixed to the vacuum hose 2.
- the hose-side optical fiber 43 is fixed to the vacuum hose 2 .
- the attachment 8A has a tubular body that can be connected to the vacuum tip 1 and the vacuum hose 2.
- the tube is preferably generally cylindrical.
- the material of the tube may be the same material as the vacuum tip 1, eg plastic or metal.
- the proximal end 82 of the tubular body can be inserted into the distal end of the vacuum hose 2 , and the proximal end of the vacuum tip 1 can be inserted into the distal end 81 .
- the length of the joint portion at both ends of the attachment 8A is set to be the same as the length of the joint portion when the vacuum chip 1 and the vacuum hose 2 are directly connected to each other. For this reason, for example, a step 82a is provided at the boundary between the proximal end 82 and the tubular body central portion. Also, at the tip 81, a stopper (not shown) such as a projection can be provided on the inner surface of the tube.
- the internal space of the attachment 8A serves as a passage for the aspirant.
- a housing containing the light source section 4A and the control section 7 shown in FIG. 1 is attached to the outer surface of the tubular body of the attachment 8A.
- an operation switch is also provided on this housing.
- the controller 7 may be provided on the operation panel of the dental unit.
- a relatively short optical fiber 43 is connected to the side surface of the housing of the light source unit 4A on the vacuum chip side, and the tip surface 44 of the optical fiber 43 serves as the light emitting end surface of the light from the light source.
- the optical fiber 43 may be omitted and the light emitting surface 42 of the light source device 41 may be used as the light output end surface. In either case, the light output end face faces the tip side of the attachment 8A.
- the light emitting end surface of the attachment 8A is an element corresponding to the hose side light emitting end surface in each of the above-described embodiments.
- the housing is also provided with a connector for connecting to an external power supply. If the battery or rechargeable battery is built into the housing, no external power supply is required.
- the length in the axial direction of the attachment 8A may be any length necessary and sufficient for mounting these equipments.
- a vacuum chip having a chip-side light incident end face on the outer surface of the tubular body can be combined with the attachment 8A having the light source part 4A.
- they are the vacuum chips 1A, 1D, 1E, and 1F of the intraoral suction device described above.
- the light source section 4B shown in FIG. 3 can be provided on the inner surface of the tube of the attachment 8A (in that case also, the control section 7 is provided on the outer surface).
- the control section 7 is provided on the outer surface.
- a vacuum chip having a tip-side light incident end face can be combined with the base end face of the tubular body, for example, the vacuum chips 1B and 1C described above.
- the attachment 8A may be provided with one control section 7 and a plurality of light source sections 4A or 4B.
- the plurality of light source units 4A or 4B are arranged at predetermined intervals along the circumferential direction on the outer surface or the inner surface of the attachment 8A.
- the vacuum hose 2 and the attachment 8A may always be connected.
- the vacuum chip 1 is removed from the attachment 8A and a new vacuum chip 1 is inserted.
- the optical connection with the light source is also completed.
- FIG. 12 shows a schematic cross-section of another embodiment of an illuminated intraoral suction device with an attachment.
- the attachment 8B has a tubular body connectable with the vacuum tip 1 and the vacuum hose 2.
- the tube of attachment 8B is similar to the tube of attachment 8A of FIG.
- the tip and the vicinity of the tip of the optical fiber 43 are fixed on the outer surface of the tubular body of the attachment 8B. For this reason, the tip portion of the optical fiber 43 is protected and fixed by being sealed with an optical fiber support portion 28 made of hard resin or the like.
- a tip surface 44 of the optical fiber 43 faces the tip side of the attachment 8B. This tip end face 44 serves as a light emitting end face.
- the length in the axial direction of the attachment 8B may be any length necessary and sufficient for stably fixing the tip portion of the optical fiber 43 .
- the proximal end of the optical fiber 43 is connected to the light source section 4A.
- the light source unit 4A and the control unit 7 are accommodated in one housing and placed at an arbitrary location (for example, on the floor of the dental treatment room).
- the optical fiber 43 has a sufficient length corresponding to the distance between the attachment 8B and the light source section 4A.
- An operation switch or the like for controlling the power supply may be provided on the housing of the control unit 7, or a hand switch or a foot switch for operation may be provided at the tip of an appropriate conductor (not shown) connected to the control unit 7.
- a switch may be provided.
- the controller 7 may be provided on the operation panel of the dental unit.
- a vacuum tip having a tip-side light incident end face on the outer surface of the tubular body can be combined with the attachment 8B having the tip portion of the optical fiber 43 .
- they are the vacuum chips 1A, 1D, 1E, and 1F of the intraoral suction device described above.
- the method of use is the same as that of the attachment 8A shown in FIG.
- the optical fiber 43 is passed through the tube wall of the attachment 8B from the outside to the inside, and the tip portion of the optical fiber 43 is fixed on the inner surface of the tube by the fiber support portion 28.
- a vacuum chip having a tip-side light incident end face can be combined with the base end face of the tubular body, for example, the vacuum chips 1B and 1C described above.
- the tip portion of the optical fiber 43 may be branched into a plurality of optical fibers.
- the plurality of optical fibers are arranged at predetermined intervals along the circumferential direction on the outer surface or the inner surface of the attachment 8B.
- FIG. 13 shows an embodiment of an illuminated intraoral suction device in which a locking mechanism is provided to the joint portion 3 of the vacuum hose and the vacuum tip. Here, only the joint portion 3 and its vicinity are shown.
- FIG. 13(a) is a schematic side view of the state before connection
- (b) is a view of the vacuum chip 1C in (a) seen in the IX direction.
- (c) is a schematic side view of a state after completion of connection.
- connection between the vacuum chip 1 and the vacuum hose 2 is completed by inserting the vacuum chip 1 into the vacuum hose 2 along the longitudinal direction.
- connection between the vacuum chip 1 and the vacuum hose 2 is completed by inserting the vacuum chip 1 into the vacuum hose 2 and rotating it in the circumferential direction.
- a notch 21 is formed in a portion of the hose wall.
- the notch 21 has a portion 21a extending longitudinally from the tip of the hose wall and a portion 21b extending circumferentially from the innermost portion of the portion 21a. That is, the notch 21 extends in a substantially L shape as a whole.
- the length of the portion 21 a is approximately equal to the length of the joint portion 3 .
- the angular range occupied by the portion 21b in the circumferential direction is, for example, 20 degrees to 90 degrees, but is not limited to this range.
- a locking projection 19 projecting radially outward is formed on the outer surface of the tubular body adjacent to the base end of the vacuum tip 1.
- the locking projection 19 has a substantially cylindrical shape.
- the maximum length of the locking projection 19 in the circumferential direction of the vacuum chip 1 substantially corresponds to the width of the notch 21 of the vacuum hose 2 .
- the projection height of the locking projection 19 is equal to or greater than the thickness of the hose wall of the vacuum hose 2 .
- notch portion 21 and the locking projection 19 It is sufficient to provide at least one set of the notch portion 21 and the locking projection 19 .
- multiple sets of notches 21 and locking protrusions 19 may be provided.
- two sets of notches 21 and locking protrusions 19 may be provided at 0° and 180° positions with respect to the axis of the joint portion 3 .
- FIG. 13 as an example, the vacuum hose 2 shown in FIG. 3 and the vacuum chip 1C shown in FIG. 5 are combined.
- three light source devices 41 (only two are shown) are provided on the inner surface of the vacuum hose 2 along the circumferential direction.
- three optical fibers 6B 1 , 6B 2 and 6B 3 are provided inside the tube wall of the vacuum chip 1C.
- various combinations of the vacuum hose 2 and the vacuum chip 1 are possible.
- the notch 21 of the vacuum hose 2 is provided at a position that does not interfere with the light source device or the hose-side optical fiber provided on the vacuum hose 2 .
- the locking projection 19 of the vacuum chip 1 is provided at a position where it does not interfere with the light guide element of the vacuum chip 1 .
- a method of connecting the vacuum chip 1C and the vacuum hose 2 will be described with reference to FIG. 13(c).
- the locking projection 19 of the vacuum chip 1C is aligned with the notch 21 of the vacuum hose 2, and the vacuum chip 1C is longitudinally inserted into the vacuum hose 2 (see the white arrow).
- the vacuum chip 1C is rotated in the circumferential direction with respect to the vacuum hose 2 (see the white arrow).
- the locking projection 19 enters the portion 21b and reaches the deepest part of the portion 21b.
- the connection between the vacuum chip 1C and the vacuum hose 2 is completed.
- Locking projection 19 is constrained within portion 21b to prevent longitudinal movement of vacuum tip 1C. In this locked state, it is preferable that there is a moderate amount of friction between the two so that the vacuum chip 1C does not easily rotate with respect to the vacuum hose 2 in the circumferential direction.
- Fig. 14 is a schematic side view in a connected state showing another example of combination of vacuum hose and vacuum tip in an embodiment having a locking mechanism.
- the vacuum hose 2 is similar to the embodiment shown in FIG.
- a hose-side optical fiber 43 is embedded in the hose wall of the vacuum hose 2 , pulled out of the hose wall in the vicinity of the tip, and supported and fixed by the fiber support portion 28 .
- the vacuum chip 1E is similar to the embodiment shown in FIG. 7(b).
- a tip-side optical fiber 6 ⁇ /b>D is embedded in the tube wall of the vacuum tip 1 ⁇ /b>E, drawn out of the tube wall in the vicinity of the base end, and supported and fixed by a fiber support portion 18 .
- a notch portion 21 is formed on the hose side, and a locking projection 19 is formed on the tip side.
- the connection between the vacuum chip 1E and the vacuum hose 2 is completed by inserting the vacuum chip 1E in the longitudinal direction as indicated by the white arrow and then turning it in the circumferential direction.
- the light emitting end face at the tip of the hose-side optical fiber 43 and the light entering end face at the base end of the tip-side optical fiber 6D abut each other.
- the vacuum tip may be provided with a notch, and the vacuum hose may be provided with a locking projection.
- the locking projection of the vacuum hose protrudes radially inward from the inner surface of the hose wall.
- FIG. 15 shows an embodiment of an illuminated intraoral suction device in which a locking mechanism is provided at the joint portion 3 of the attachment and the vacuum tip. Here, only the joint portion 3 and its vicinity are shown.
- FIG. 15(a) is a schematic side view of the state before connection
- FIG. 15(b) is a schematic side view of the state after completion of connection.
- the attachment is similar to the attachment 8A shown in FIG. 11, and three light source devices 41 (only two are shown) are provided along the circumferential direction on the inner surface of the tube.
- three optical fibers 6B 1 , 6B 2 and 6B 3 extend inside the tube wall of the vacuum chip 1C (same as the embodiment of FIG. 13). In addition to this, various combinations of attachments and vacuum tips are possible.
- a notch 21 is formed in a portion of the tube wall at the distal end 81 of the tubular body of the attachment 8A.
- the notch 21 has a portion 21a that extends longitudinally from the tip of the tube wall and a portion 21b that extends circumferentially from the innermost portion of the portion 21a. That is, the notch 21 extends in a substantially L shape.
- the length of the portion 21 a is approximately equal to the length of the joint portion 3 .
- the angular range occupied by the portion 21b in the circumferential direction is, for example, 20 degrees to 90 degrees, but is not limited to this range.
- a locking projection 19 is formed on the vacuum chip 1C.
- the locking projection 19 is as described for the embodiment shown in FIG.
- At least one set of the notch 21 and the locking projection 19 may be provided. However, multiple sets of notches 21 and locking protrusions 19 may be provided. For example, two sets of notches 21 and locking protrusions 19 may be provided at 0° and 180° positions with respect to the axis of the joint portion 3 .
- the vacuum chip 1C is axially inserted into the attachment 8A by aligning the locking projection 19 of the vacuum chip 1C with the notch 21 of the attachment 8A.
- the vacuum chip 1C is rotated in the circumferential direction with respect to the attachment 8A.
- the locking projection 19 enters the portion 21b and reaches the deepest position. This completes the connection between the vacuum chip 1C and the attachment 8A.
- Axial movement of the vacuum tip 1C is prevented by constraining the locking projection 19 within the portion 21b. In this locked state, it is preferable that there is a moderate amount of friction between the two so that the vacuum chip 1C does not easily rotate in the circumferential direction with respect to the attachment 8A.
- each light emitting surface of the three light source devices 41 of the attachment 8A and each chip side light input of the optical fibers 6B 1 , 6B 2 and 6B 3 of the vacuum chip 1C Alignment with the end face is also completed, and both come into contact with each other.
- the positions of the light source device 41 and the optical fibers 6B 1 , 6B 2 and 6B 3 are set.
- the notch 21 can be similarly formed in the attachment 8A (see FIG. 11) in which the light source device 41 is provided on the outer surface of the tubular body.
- the vacuum chip to be combined in that case is of the type having the light incident end surface of the light guide element outside the outer surface of the tubular body.
- the notch 21 of the attachment 8A is provided at a position that does not interfere with the light source device or optical fiber provided on the attachment 8A.
- the locking projection 19 of the vacuum chip 1 is provided at a position that does not interfere with the light guide elements provided on the vacuum chip 1 .
- FIG. 16 shows an example of another combination of attachment and vacuum tip in an embodiment with a locking mechanism.
- Attachment 8B is similar to the embodiment shown in FIG.
- An optical fiber 43 is mounted on the outer surface of the tube of attachment 8B.
- the vacuum chip 1E is similar to the embodiment shown in FIG. 7(b).
- a tip-side optical fiber 6 ⁇ /b>D is embedded in the tube wall of the vacuum tip 1 ⁇ /b>E, drawn out of the tube wall in the vicinity of the base end, and supported and fixed by a fiber support portion 18 .
- a notch portion 21 is formed on the attachment side, and a locking projection 19 is formed on the tip side.
- the connection between the vacuum chip 1E and the attachment 8B is completed by inserting the vacuum chip 1E in the axial direction as indicated by the white arrow and then turning it in the circumferential direction.
- the respective positions are set so that the light emitting end face at the tip of the attachment side optical fiber 43 and the light entering end face at the base end of the tip side optical fiber 6D are in contact with each other.
- the notch 21 can be similarly formed in the attachment 8B (see FIG. 12) in which the optical fiber 43 is provided on the inner surface of the tube.
- the vacuum tip to be combined in that case is of the type in which the tube itself is the light guide element or has the light guide element in the tube wall.
- the vacuum tip may be provided with a notch and the attachment may be provided with a locking projection.
- the locking projection of the attachment protrudes inward from the inner surface of the pipe wall.
- the vacuum tip according to the present invention is used in the illuminated intraoral suction device of any one of the above embodiments.
- the vacuum tip has a light-guiding element.
- the light-guiding element is provided longitudinally on the outer surface of the tube of the vacuum tip, on the inner surface of the tube, in the wall of the tube, or is formed by the tube of the vacuum tip itself.
- the light guide element has a chip-side light-incident end face arranged to face the base end side of the vacuum chip, guides light input from the chip-side light-incident end face, It can be projected from the tip.
- the vacuum hose according to the present invention is used in any embodiment of the illuminated intraoral suction device except for the embodiment using the above attachment.
- the vacuum hose has a hose-side light emitting end surface arranged to face the tip side of the vacuum hose for outputting light from the light source.
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Abstract
Description
1)本発明の第1の態様は、吸引源に接続されたバキュームホースと、前記バキュームホースの先端に差し込み可能な基端及び吸引口である先端を具備する管体を有するバキュームチップと、を備えた口腔内の吸引装置であって、
前記バキュームホースに設けられ、かつ光源からの光を出力するために前記バキュームホースの先端側に向くように配置されたホース側出光端面と、
前記バキュームチップに設けられ、前記バキュームチップの基端側に向くように配置されたチップ側入光端面を具備し、かつ前記チップ側入光端面から入力された光を誘導して投射可能な導光要素と、を有し、
前記バキュームチップと前記バキュームホースとの間の接続が完了した状態において、前記ホース側出光端面及び前記チップ側入光端面が、前記ホース側出光端面から前記チップ側入光端面に光を伝達可能であるようにそれぞれ位置することを特徴とする。
2)上記態様において、前記バキュームホースの外面上又は内面上に固定された光源を有し、前記光源の発光面が前記ホース側出光端面であることを特徴とする。
3)上記態様において、前記バキュームホースの外面上又は内面上に固定された光源と、
前記光源の発光面に基端を接続され、かつ前記バキュームホースに固定されたホース側光ファイバと、を有し、
前記ホース側光ファイバの先端面が前記ホース側出光端面であることを特徴とする
4)上記態様において、光源からの光を入力され、前記バキュームホースのホース壁内を通って又は前記バキュームホースの外面上又は内面上に取り付けられて、長手方向に沿って延在し、かつ前記バキュームホースの先端又は先端近傍に位置する先端面を具備するホース側光ファイバを有し、
前記ホース側光ファイバの先端面が、前記ホース側出光端面であることを特徴とする。
5)上記態様において、前記バキュームチップの管体外面上、管体内面上、又は管壁内に、長手方向に沿って延在するチップ側光ファイバを有し、
前記チップ側光ファイバが前記導光要素であり、かつ、
前記チップ側光ファイバの基端面が前記チップ側入光端面であることを特徴とする。
6)上記態様において、前記バキュームチップの管体自体が、光を全反射することにより長手方向に誘導可能なライトガイドにより形成されており、
前記バキュームチップの管体自体が前記導光要素であり、かつ、
前記バキュームチップの管体の基端面が前記チップ側入光端面であることを特徴とする。
7)上記態様において、前記バキュームチップが、管壁内を通って長手方向に延在するコア部と前記コア部以外の管壁を形成するクラッド部とから形成された管体を具備し、かつ前記コア部及び前記クラッド部は、前記管体の基端近傍において前記管体の外面から分岐して前記バキュームチップの基端側に延びる入力用光ファイバのコア及びクラッドとそれぞれ連続しており、
前記バキュームチップの管体自体及び前記入力用光ファイバが前記導光要素であり、かつ、
前記入力用光ファイバの自由端が前記チップ側入光端面であることを特徴とする。
8)上記態様において、前記コア部が、前記管体の軸を螺旋軸として前記管壁内で螺旋状に延びていることを特徴とする。
9)上記態様において、前記バキュームチップの管壁内を通って長手方向に沿って延在し、かつ管体の基端近傍において管体の外面から引き出されて前記バキュームチップの基端側に延びるチップ側光ファイバと、を有し、
前記チップ側光ファイバが前記導光要素であり、かつ、
前記チップ側光ファイバの基端面が前記チップ側入光端面であることを特徴とする。
10)上記態様において、前記バキュームチップの管体自体が、光を全反射することにより長手方向に誘導可能なライトガイドにより形成され、かつ前記ライトガイドの一部は、管体の基端近傍において管体の外面から分岐して前記バキュームチップの基端側に延びる分岐部を形成しており、
前記バキュームチップの管体自体及び前記分岐部が前記導光要素であり、かつ、
前記分岐部の自由端が前記チップ側入光端面であることを特徴とする。
11)上記態様において、前記バキュームチップと前記バキュームホースの互いに接続される各端部のうち、一方の端部が切欠き部を、他方の端部が係止突起を有し、
前記バキュームチップを前記バキュームホースに差し込むとき、前記バキュームチップと前記バキュームホースのジョイント部において、前記係止突起が、前記切欠き部内を長手方向に移動させられた後に周方向に移動させられることによって、前記バキュームチップと前記バキュームホースとの間の接続が完了することを特徴とする。
12)本発明の別の態様は、照明付き口腔内吸引装置であって、
吸引源に接続されたバキュームホースの先端に差し込み可能な基端及びバキュームチップの基端を差し込み可能な先端を具備する管体を有するアタッチメントと、
前記アタッチメントの管体外面上又は管体内面上に固定された光源と、
前記光源からの光を出力するべく前記アタッチメントの先端側に向いて前記アタッチメントの管体外面上又は管体内面上に固定された出光端面と、
前記アタッチメントの先端に差し込み可能な基端及び吸引口である先端を具備する管体を有するバキュームチップと、
前記バキュームチップに設けられ、前記バキュームチップの基端側に向くように配置された入光端面を具備し、かつ前記入光端面から入力された光を誘導して投射可能な導光要素と、を有し、
前記バキュームチップと前記アタッチメントとの間の接続が完了した状態において、前記出光端面及び前記入光端面が、前記出光端面から前記入光端面に光を伝達可能であるようにそれぞれ位置することを特徴とする照明付き口腔内吸引装置。
13)本発明のさらに別の態様は、照明付き口腔内吸引装置であって、
吸引源に接続されたバキュームホースの先端に差し込み可能な基端及びバキュームチップの基端を差し込み可能な先端を具備する管体を有するアタッチメントと、
基端が光源に接続され、先端及び先端近傍が前記アタッチメントの管体外面上又は管体内面上に固定され、かつ前記光源からの光を出力する出光端面が前記アタッチメントの先端側に向いている光ファイバと、
前記アタッチメントの先端に差し込み可能な基端及び吸引口である先端を具備する管体を有するバキュームチップと、
前記バキュームチップに設けられ、前記バキュームチップの基端側に向くように配置された入光端面を具備し、かつ前記入光端面から入力された光を誘導して投射可能な導光要素と、を有し、
前記バキュームチップと前記アタッチメントとの間の接続が完了した状態において、前記出光端面及び前記入光端面が、前記出光端面から前記入光端面に光を伝達可能であるようにそれぞれ位置することを特徴とする。
図1は、照明付き口腔内吸引装置の第1の実施形態の概略断面図であり、(a)はバキュームチップ1をバキュームホース2に接続した状態、(b)は取り外した状態を示している。なお、この断面は、バキュームチップ1及びバキュームホース2をそれらの長手方向に沿ってほぼ半分に割ったときに現れる縦断面である(以下の類似の図においても同じ)。以下、バキュームチップ1については、バキュームホース2との接続側を「基端」と称し、その反対側を「先端」と称する。バキュームホース2については、吸引源側を「基端」とし、バキュームチップ1との接続側を「先端」と称する。バキュームチップ1又はバキュームホース2に装着されるその他の部材又は要素の「基端」及び「先端」についても、同様とする。
- バキュームホース2に設けられ、光源からの光を出力するためにバキュームホース2の先端側に向くように配置されたホース側出光端面を有する。
- バキュームチップ1に設けられ、バキュームチップ1の基端側を向くように配置されたチップ側入光端面を具備する導光要素6を有する。
- バキュームチップ1とバキュームホース2との間の接続が完了した状態において、ホース側出光端面及びチップ側入光端面が、ホース側出光端面からチップ側入光端面に光を伝達可能であるようにそれぞれ位置する。
また、「ホース側出光端面からチップ側入光端面に光を伝達可能である」ような位置とは、好ましくは、ホース側出光端面とチップ側入光端面が互いに対向して隙間なく当接する位置である。しかしながら、本明細書における「当接する」という用語は、より広い意味で用いている。ホース側出光端面から出る光の大部分(例えば90%以上)がチップ側入光端面に入ることができる接触状態であれば、2つの端面の間に僅かな隙間が存在するような場合であっても「当接する」位置に含まれる。
図3、図4、及び図5を参照して、本発明の口腔内吸引装置の第2の実施形態及びその変形形態を説明する。
図3は、照明付き口腔内吸引装置の第2の実施形態の概略断面図であり、(a)はバキュームチップ1をバキュームホース2に接続した状態、(b)は取り外した状態を示している。(c)は光源部4Bの別の実施形態である。
図4(a)は、図3のIVa領域の概略拡大図であり、(b)は、図3のラインVa-Vaに沿った概略断面図であり、(c)は、図3のVI領域の概略拡大図である。
図5(a)は、図3のIVb領域の概略拡大図であり、(b)は、図3のラインVb-Vbに沿った概略断面図である。図4及び図5におけるa, bの添え字は、それぞれ別のバリエーションであることを意味する。
図6、図7及び図8を参照して、本発明の口腔内吸引装置の第3の実施形態及びその幾つかの変形形態を説明する。
図6は、照明付き口腔内吸引装置の第3の実施形態の概略断面図であり、(a)はバキュームチップ1をバキュームホース2に接続した状態、(b)は取り外した状態を示している。
図7(a)は、図3のVIIa領域の概略拡大図であり、(b)は、図3のVIIb領域の概略拡大図であり、(c)は、図3のVIIc領域の概略拡大図である。a, b, cの添え字はそれぞれ別のバリエーションを意味する。
図8(a)は、図3のラインVIIIa-VIIIaに沿った概略断面図であり、(b)は、図3のラインVIIIb-VIIIbに沿った概略断面図である。a, bの添え字はそれぞれ別のバリエーションを意味する。
図9を参照して、本発明の口腔内吸引装置の第4の実施形態を説明する。図9は、照明付き口腔内吸引装置の第4の実施形態の概略断面図であり、(a)はバキュームチップ1をバキュームホース2に接続した状態、(b)は取り外した状態を示している。
本発明による別の態様は、バキュームホースとバキュームチップとの間に取付可能なアタッチメントを有する実施形態である。図11は、アタッチメント8Aを含む照明付き口腔内吸引装置の概略断面を示している。
図12は、アタッチメントを有する照明付き口腔内吸引装置の別の実施形態の概略断面を示している。
図13は、バキュームホースとバキュームチップのジョイント部3にロック機構を設けた照明付き口腔内吸引装置の実施形態を示している。ここでは、ジョイント部3及びその近傍部分のみを示している。図13(a)は、接続前の状態の概略側面図であり、(b)は(a)のバキュームチップ1CをIX方向に見た図である。(c)は接続完了後の状態の概略側面図である。
図15は、アタッチメントとバキュームチップのジョイント部3にロック機構を設けた照明付き口腔内吸引装置の実施形態を示している。ここでは、ジョイント部3及びその近傍部分のみを示している。図15(a)は、接続前の状態の概略側面図であり、(b)は接続完了後の状態の概略側面図である。
本発明によるバキュームチップは、上記いずれかの実施形態の照明付き口腔内吸引装置に用いられる。その場合、バキュームチップは、導光要素を有する。導光要素は、バキュームチップの管体外面上、管体内面上、もしくは管壁内に、長手方向に沿って設けられるか、又は、バキュームチップの管体自体により形成される。導光要素は、バキュームチップの基端側に向くように配置されたチップ側入光端面を具備し、かつチップ側入光端面から入力された光を誘導し、その長手方向に沿った側面又は先端から投射可能である。
11 吸引口
12 作業側面
13 非作業側面
14 分岐部
15 基端面(自由端)
16 プリズム部
17 差込口
18 光ファイバ支持部
19 係止突起
2 バキュームホース
21 切欠き部
28 光ファイバ支持部
3 ジョイント部
4A、4B 光源部
41 光源デバイス
42 発光面
43 ホース側光ファイバ
44 先端面
45 支持部
46 凹部
6 導光要素
6A、6A’、6B、6C、6D チップ側光ファイバ
6C1 コア部
6C2 クラッド部
6D1 コア
6D2 クラッド
61 入光部
62 出光部
63 入光端面
64 固着部
7 制御部
71 導線
72 貫通孔
8A、8B アタッチメント
81 アタッチメント先端
82 アタッチメント基端
PS 電源
Claims (18)
- 吸引源に接続されたバキュームホース(2)と、前記バキュームホース(2)の先端に接続可能な基端及び吸引口(11)である先端を具備する管体を有するバキュームチップ(1)と、を備えた口腔内の吸引装置であって、
前記バキュームホース(2)に設けられ、かつ光源からの光を出力するために前記バキュームホース(2)の先端側に向くように配置されたホース側出光端面と、
前記バキュームチップ(1)に設けられ、前記バキュームチップ(1)の基端側に向くように配置されたチップ側入光端面を具備し、かつ前記チップ側入光端面から入力された光を誘導して投射可能な導光要素(6)と、を有し、
前記バキュームチップ(1)と前記バキュームホース(2)との間の接続が完了した状態において、前記ホース側出光端面及び前記チップ側入光端面が、前記ホース側出光端面から前記チップ側入光端面に光を伝達可能であるようにそれぞれ位置することを特徴とする照明付き口腔内吸引装置。 - 前記バキュームホース(2)の外面上又は内面上に固定された光源(41)を有し、前記光源(41)の発光面(42)が前記ホース側出光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。
- 前記バキュームホース(2)の外面上又は内面上に固定された光源(41)と、
前記光源(41)の発光面(42)に基端を接続され、かつ前記バキュームホース(2)に固定されたホース側光ファイバ(43)と、を有し、
前記ホース側光ファイバ(43)の先端面(44)が前記ホース側出光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 光源(41)からの光を入力され、前記バキュームホース(2)のホース壁内を通って又は前記バキュームホース(2)の外面上又は内面上に取り付けられて、長手方向に沿って延在し、かつ前記バキュームホース(2)の先端又は先端近傍に位置する先端面(44)を具備するホース側光ファイバ(43)を有し、
前記ホース側光ファイバ(43)の先端面(44)が、前記ホース側出光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 前記バキュームチップ(1A、1C)の管体外面上、管体内面上、又は管壁内に、長手方向に沿って延在するチップ側光ファイバ(6A、6B)を有し、
前記チップ側光ファイバ(6A、6B)が前記導光要素(6)であり、かつ、
前記チップ側光ファイバ(6A、6B)の基端面(63)が前記チップ側入光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 前記バキュームチップ(1B)の管体自体が、光を全反射することにより長手方向に誘導可能なライトガイドにより形成されており、
前記バキュームチップ(1B)の管体自体が前記導光要素(6)であり、かつ、
前記バキュームチップ(1B)の管体の基端面(15)が前記チップ側入光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 前記バキュームチップ(1D)が、管壁内を通って長手方向に延在するコア部(6C1)と前記コア部(6C1)以外の管壁を形成するクラッド部(6C2)とから形成された管体を具備し、かつ前記コア部(6C1)及び前記クラッド部(6C2)は、前記管体の基端近傍において前記管体の外面から分岐して前記バキュームチップ(1D)の基端側に延びる入力用光ファイバ(6C)のコア及びクラッドとそれぞれ連続しており、
前記バキュームチップ(1D)の管体自体及び前記入力用光ファイバ(6C)が前記導光要素(6)であり、かつ、
前記入力用光ファイバ(6C)の自由端(63)が前記チップ側入光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 前記コア部(6C1)が、前記管体の軸を螺旋軸として前記管壁内で螺旋状に延びていることを特徴とする請求項7に記載の照明付き口腔内吸引装置。
- 前記バキュームチップ(1E)の管壁内を通って長手方向に沿って延在し、かつ管体の基端近傍において管体の外面から引き出されて前記バキュームチップ(1E)の基端側に延びるチップ側光ファイバ(6D)と、を有し、
前記チップ側光ファイバ(6D)が前記導光要素(6)であり、かつ、
前記チップ側光ファイバ(6D)の基端面(63)が前記チップ側入光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 前記バキュームチップ(1F)の管体自体が、光を全反射することにより長手方向に誘導可能なライトガイドにより形成され、かつ前記ライトガイドの一部は、管体の基端近傍において管体の外面から分岐して前記バキュームチップ(1F)の基端側に延びる分岐部(14)を形成しており、
前記バキュームチップ(1F)の管体自体及び前記分岐部(14)が前記導光要素(6)であり、かつ、
前記分岐部(14)の自由端(15)が前記チップ側入光端面であることを特徴とする請求項1に記載の照明付き口腔内吸引装置。 - 前記バキュームチップ(1)と前記バキュームホース(2)の互いに接続される各端部のうち、一方の端部が切欠き部(21)を、他方の端部が係止突起(19)を有し、
前記バキュームチップ(1)を前記バキュームホース(2)に差し込むとき、前記バキュームチップ(1)と前記バキュームホース(2)のジョイント部(3)において、前記係止突起(19)が、前記切欠き部(21)内を長手方向に移動させられた後に周方向に移動させられることによって、前記バキュームチップ(1)と前記バキュームホース(2)との間の接続が完了することを特徴とする請求項1~10のいずれかに記載の照明付き口腔内吸引装置。 - 照明付き口腔内吸引装置であって、
吸引源に接続されたバキュームホース(2)の先端に差し込み可能な基端(82)及びバキュームチップ(1)の基端(17)を差し込み可能な先端(81)を具備する管体を有するアタッチメント(8A)と、
前記アタッチメント(8A)の管体外面上又は管体内面上に固定された光源(41)と、
前記光源(41)からの光を出力するべく前記アタッチメント(8A)の先端側に向いて前記アタッチメント(8A)の管体外面上又は管体内面上に固定された出光端面(44)と、
前記アタッチメント(8A)の先端に差し込み可能な基端及び吸引口(11)である先端を具備する管体を有するバキュームチップ(1)と、
前記バキュームチップ(1)に設けられ、前記バキュームチップ(1)の基端側に向くように配置された入光端面を具備し、かつ前記入光端面から入力された光を誘導して投射可能な導光要素(6)と、を有し、
前記バキュームチップ(1)と前記アタッチメント(8A)との間の接続が完了した状態において、前記出光端面及び前記入光端面が、前記出光端面から前記入光端面に光を伝達可能であるようにそれぞれ位置することを特徴とする照明付き口腔内吸引装置。 - 照明付き口腔内吸引装置であって、
吸引源に接続されたバキュームホース(2)の先端に差し込み可能な基端(82)及びバキュームチップ(1)の基端(17)を差し込み可能な先端(81)を具備する管体を有するアタッチメント(8B)と、
基端が光源に接続され、先端及び先端近傍が前記アタッチメント(8B)の管体外面上又は管体内面上に固定され、かつ前記光源からの光を出力する出光端面(44)が前記アタッチメント(8B)の先端側に向いている光ファイバ(43)と、
前記アタッチメント(8B)の先端に差し込み可能な基端及び吸引口(11)である先端を具備する管体を有するバキュームチップ(1)と、
前記バキュームチップ(1)に設けられ、前記バキュームチップ(1)の基端側に向くように配置された入光端面を具備し、かつ前記入光端面から入力された光を誘導して投射可能な導光要素(6)と、を有し、
前記バキュームチップ(1)と前記アタッチメント(8B)との間の接続が完了した状態において、前記出光端面及び前記入光端面が、前記出光端面から前記入光端面に光を伝達可能であるようにそれぞれ位置することを特徴とする照明付き口腔内吸引装置。 - 前記導光要素(6)が、前記バキュームチップ(1)の管体外面上、管体内面上、もしくは管壁内に、長手方向に沿って設けられているか、又は、前記導光要素(6)が、前記バキュームチップ(1)の管体自体により形成されていることを特徴とする請求項12又は13に記載の照明付き口腔内吸引装置。
- 前記バキュームチップ(1)と前記アタッチメント(8A、8B)の互いに接続される各端部のうち、一方の端部が切欠き部(21)を、他方の端部が係止突起(19)を有し、
前記バキュームチップ(1)を前記アタッチメント(8A、8B)に差し込むとき、前記バキュームチップ(1)と前記アタッチメント(8A、8B)のジョイント部(3)において、前記係止突起(19)が、前記切欠き部(21)内を長手方向に移動させられた後に周方向に移動させられることによって、前記バキュームチップ(1)と前記アタッチメント(8A、8B)との間の接続が完了することを特徴とする請求項12又は13に記載の照明付き口腔内吸引装置。 - 請求項12~15のいずれかの記載の照明付き口腔内吸引装置に用いられるアタッチメント。
- 請求項1~15のいずれかに記載の照明付き口腔内吸引装置に用いられるバキュームチップ(1)であって、
前記バキュームチップ(1)の管体外面上、管体内面上、もしくは管壁内に長手方向に沿って設けられた、又は、前記バキュームチップ(1)の管体自体により形成された導光要素(6)を有し、
前記導光要素(6)は、前記バキュームチップ(1)の基端側に向くように配置された入光端面を具備し、かつ前記入光端面から入力された光を誘導して投射可能であることを特徴とするバキュームチップ。 - 請求項1~11のいずれかに記載の照明付き口腔内吸引装置に用いられるバキュームホース(2)であって、
光源(41)からの光を出力するために前記バキュームホース(2)の先端側に向くように配置されたホース側出光端面を有することを特徴とするバキュームホース。
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JP2002506676A (ja) * | 1998-03-19 | 2002-03-05 | デービス,ウオレン | 使い捨てチップを備える自照式吸引器具 |
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JP2002506676A (ja) * | 1998-03-19 | 2002-03-05 | デービス,ウオレン | 使い捨てチップを備える自照式吸引器具 |
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