WO2010140660A1 - オーラルケア具 - Google Patents
オーラルケア具 Download PDFInfo
- Publication number
- WO2010140660A1 WO2010140660A1 PCT/JP2010/059448 JP2010059448W WO2010140660A1 WO 2010140660 A1 WO2010140660 A1 WO 2010140660A1 JP 2010059448 W JP2010059448 W JP 2010059448W WO 2010140660 A1 WO2010140660 A1 WO 2010140660A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- head body
- brush
- neck
- oral care
- oral
- Prior art date
Links
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- 210000003128 head Anatomy 0.000 claims description 191
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
- A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
- A46B11/002—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs pressurised at moment of use manually or by powered means
- A46B11/0024—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs pressurised at moment of use manually or by powered means with a permanently displaceable pressurising member that remain in position unless actuated, e.g. lead-screw or ratchet mechanisms, toothpaste tube twisting or rolling devices
- A46B11/0027—Lead-screw mechanisms
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
- A46B11/0072—Details
- A46B11/0079—Arrangements for preventing undesired leakage or dispensing
- A46B11/0086—Means for closing or sealing, e.g. toothpaste outlet when brush not in use thereby preventing leakage or drying out
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
- A46B11/0072—Details
- A46B11/0079—Arrangements for preventing undesired leakage or dispensing
- A46B11/0089—Caps or covers for bristles
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/0095—Removable or interchangeable brush heads
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B7/00—Bristle carriers arranged in the brush body
- A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/005—Brushes for applying dental compositions
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B2200/00—Brushes characterized by their functions, uses or applications
- A46B2200/10—For human or animal care
- A46B2200/1066—Toothbrush for cleaning the teeth or dentures
- A46B2200/108—Inter-dental toothbrush, i.e. for cleaning interdental spaces specifically
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
- A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
- A46B3/10—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
- A61C19/063—Medicament applicators for teeth or gums, e.g. treatment with fluorides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C5/00—Filling or capping teeth
- A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
- A61C5/62—Applicators, e.g. syringes or guns
Definitions
- the present invention relates to an oral care device for discharging an oral composition from a nozzle part at the tip and applying it to the oral cavity.
- the cleaning liquid supply means and a cleaning liquid discharge pipe attached to the cleaning liquid supply means, and a cleaning body protruding at the tip of the cleaning liquid discharge pipe in a direction intersecting the axial direction of the discharge pipe;
- a cleaning liquid having a cleaning liquid discharge port that communicates with the discharge flow path of the cleaning liquid discharge pipe and opens to the outside from a position near the root of the cleaning body, and jets the cleaning liquid toward a protruding middle portion or a tip portion of the cleaning body.
- What comprises the injection part is also provided (for example, refer patent document 2).
- the cleaning liquid can be surely ejected over the interdental area, the cleaning liquid is less scattered to the periphery, and the interdental portion of the interdental portion is reliably removed with the cleaning liquid. Can be washed.
- the cleaning liquid can be effectively supplied to the back through the cleaning body. Sterilization and suppression of tissue inflammation can be effectively performed by supplying a chemical solution containing an antibacterial agent or an anti-inflammatory agent to the gap, gingival margin, periodontal pocket, or the like.
- the present invention intends to solve the problem that the remaining amount of the drug after use is small while maintaining sufficient support strength for the long neck, and there is a risk of contamination from the nozzle tip. It is low and improves the discharge of chemicals at the beginning of use. At the same time, when a gel or cream-like composition for oral cavity is circulated in the internal supply channel, it is possible to prevent an excessive amount from being produced. It is in the point of providing an oral care device that can maintain durability.
- the present invention is an oral care device for discharging a gel-like or cream-like oral composition from a nozzle part at the tip and applying it to the oral cavity, and is held during use.
- a characteristic oral care device was constructed (claim 1).
- a plurality of ribs protruding in the axial center direction and extending in the axial direction are provided on the inner peripheral wall of the neck body, and the outer peripheral surface is supported by the plurality of ribs, so that the oral composition supply path It is preferable to insert a tubular tube member having an inner diameter of 1 to 2 mm constituting the body into the neck (claim 2).
- the nozzle body of the head body is provided with an application body made of a bundle of filament hairs (Claim 3).
- the application body is provided with only one filament bundle of the filament (claim 4).
- the application body is provided with a base in which base ends of a plurality of filaments constituting the hair bundle are fused and integrated with each other to bulge outward, and the opening of the nozzle portion is provided on the base.
- a communicating hole is provided, and a ring-shaped application body stopping member is externally mounted from the tip side of the application body, and the application body stopping member locked to the bulging portion of the base is attached to the head body together with the application body. What is mounted around the nozzle portion is preferred (claim 5).
- the head body is formed in a bent shape.
- an interdental brush body made of a member different from the head body, which includes the brush body and a brush support portion for supporting the brush body, is provided, and the brush support portion is externally fitted to a distal end portion of the head body.
- An attaching portion to be held may be provided (claim 8).
- a locking portion that bulges outward is formed at the base of the brush support portion, and is externally fitted to the brush support portion and fixed to the mounting portion by internal fitting. It is preferable that a ring-shaped stop member is provided, and an end portion of the stop member can be engaged with the locking portion.
- a communication path communicating with the supply path of the head body can be formed in the brush support section, and a nozzle section can be formed at the end of the communication path.
- the head body When the brush body is provided integrally with the head body, the head body is formed in a bent shape, and the supply path on the base side and the supply path on the distal end side of the head body are formed at an angle.
- the supply path on the distal end side of the head body is formed by a through hole that penetrates the distal end side portion of the head body, and a lid body that closes the proximal end opening of the through hole is fixed to the base portion of the distal end side portion of the head body. (Claim 11).
- caps that are detachably mounted are provided at positions that cover the nozzle portion on the tip side of the head body and positions that cover the tip portion of the neck body with the head body removed. (Claim 12).
- the head body is configured in a bent shape, and a plurality of protrusions are provided on the outer peripheral surface of the distal end portion of the neck body at intervals in the circumferential direction, and the distal end portion of the neck body on the inner peripheral wall of the head body Is provided at a position corresponding to the protrusion, and the protrusion is engaged with the groove formed between the protrusions.
- a detent claim 13
- the handle body is provided with a storage chamber for storing the oral composition and a screw-type delivery mechanism for extruding the oral composition to the supply path (Claim 15).
- the oral care device as described above has a supply path for the oral composition from the handle body to the nozzle portion of the head body through the neck body, and the head body is attached to and detached from the neck body. Since they are connected freely, the head body can be removed after use to clean and dry the nozzle part at the tip, and a good hygiene can be obtained.
- the inner peripheral wall of the neck body is provided with a plurality of ribs protruding in the axial center direction and extending in the axial direction, and the outer peripheral surface is supported by the plurality of ribs so as to constitute the supply path for the oral composition. Since a tubular tube member of 1 to 2 mm is inserted into the neck, sufficient strength can be obtained even if the outer diameter or thickness of the neck is reduced, and insertion into details in the oral cavity While being able to improve property, the dimension of the said tube member can be set, and a supply channel can be made into a required minimum cross-sectional area, and the excessive supply of the composition for oral cavity can also be prevented.
- the neck body is required to have a strength sufficient to support the force received from the head body during use. Therefore, a certain amount of outer diameter is required, and the internal space can be reduced by reducing the wall thickness in consideration of material costs. growing.
- the conventional way of thinking is to distribute the composition for the oral cavity using the internal space as it is as the supply channel. However, if the supply channel is wider than necessary, it is difficult to produce a chemical solution at the beginning of use, and the remaining amount of the drug after use. There is also a problem that the risk of contamination from the nozzle tip increases.
- the rib is projected on the inner peripheral surface as in the present invention, and a tube member is provided on the inner side to provide a supply path, thereby reducing the outer diameter and thickness of the neck due to the presence of the rib. Even so, it becomes possible to obtain the required strength, and since the composition for oral cavity is supplied through the tube member inside the rib, the cross-sectional area of the tube member is appropriately set according to the flow characteristics of the composition, It becomes possible to prevent surplus supply.
- the mold that forms the internal space has a concavo-convex structure for producing ribs, so that the durability and strength of the mold can be maintained, and the neck It becomes possible to accurately mold a cervical body having a small outer diameter and thickness. Furthermore, the operation of mounting such a separately formed tube member in the neck body is supported and guided by the rib when the tube member is inserted due to the presence of the rib. Since the body and the axis can be positioned at the center, and the contact area that becomes a resistance during insertion is small, it can be mounted easily and reliably, and the assembly work is facilitated.
- the nozzle body of the head body is provided with an application body composed of a bundle of filaments, it is possible to apply or apply the oral composition to a finer part of the oral cavity.
- the composition for oral cavity can also be applied after removing dirt with a hair bundle.
- the application body is provided with only one filament bundle of filaments, it is easy to manufacture and can efficiently apply and apply to the oral cavity details during use.
- the application body is provided with a base in which base ends of a plurality of filaments constituting the hair bundle are fused and integrated with each other to bulge outward, and the opening of the nozzle portion is provided on the base.
- a communicating hole is provided, and a ring-shaped application body stopping member is externally mounted from the tip side of the application body, and the application body stopping member locked to the bulging portion of the base is attached to the head body together with the application body. Since it is mounted around the nozzle part, it is mounted in a state where the application body made of the hair bundle is constrained by a ring-shaped application body stopping member, so that the filament can be prevented from falling off. It can be carried out easily and efficiently simply by assembling the application body stopping member and the application body integrally.
- an interdental cleaning brush body is provided at the tip of the head body, and when the nozzle portion is opened toward the brush portion of the brush body, the composition for the oral cavity is directed toward the brush portion.
- the composition for oral cavity can be discharged and applied to the space between the teeth by the brush body.
- an interdental brush body made of a member different from the head body, which includes the brush body and a brush support portion for supporting the brush body, is provided, and the brush support portion is externally fitted to a distal end portion of the head body.
- a locking portion that bulges outward is formed at the base portion of the brush support portion, and is fitted to the brush support portion and is attached to the attachment portion.
- the ring-shaped stop member to be fitted and fixed is provided, and the end of the stop member can be engaged with the locking portion, so that the number of parts increases, but the interdental brush body from the mounting portion of the head body It is preferable because it can effectively prevent the dropout. That is, in the interdental brush, since the core material is bent in the vicinity of the main body portion to adjust the angle of the brush portion, the core portion is prevented from breaking at the bent portion and the durability of the interdental brush body is increased.
- the main body is made of a soft synthetic resin material, the main body easily becomes elastically deformed. If the main body is directly fitted and fixed to the mounting portion, the pull-out strength of the interdental brush body decreases.
- the stopper member can employ the same hard synthetic resin material as that of the head body, the pulling strength of the stopper member with respect to the head body can be sufficiently secured, and the body portion also bulges outward. Since the pull-out strength of the main body can be easily and sufficiently secured by the engagement between the stopper and the base end of the stopper, it is possible to effectively prevent the interdental brush body from falling off from the mounting portion of the head body. .
- the composition for oral cavity can be discharged toward the brush body.
- the head body When the brush body is provided integrally with the head body, the head body is formed in a bent shape, and the supply path on the base side and the supply path on the distal end side of the head body are formed at an angle.
- the supply path on the distal end side of the head body is formed by a through hole that penetrates the distal end side portion of the head body, and a lid body that closes the proximal end opening of the through hole is fixed to the base portion of the distal end side portion of the head body. You can also.
- the head body since the head body is formed in a bent shape, the operability of inserting the brush body between the teeth can be improved, and particularly the back teeth can be cleaned smoothly.
- caps that can be detachably attached are provided at positions that cover the nozzle portion on the distal end side of the head body and positions that cover the distal end portion of the neck body when the head body is detached. Therefore, during storage when not in use, the cap can be put on the tip of the head body to prevent the oral composition from being dried (moisture of water and chemicals) and to protect the application part, etc. When removing, cleaning, drying, etc., the same cap can be attached to the neck, and the handle and neck without the head can be stored while preventing the oral composition from drying out. It is possible to ensure sealing (virginity) until the start of use.
- the cap When reassembling the head body, the cap is removed from the neck body, the head body is attached, and the same cap can be attached to the nozzle portion of the head body, which is efficient and convenient.
- the hair bundle is sealed by providing such a cap, and drying can be prevented.
- nylon resin can be used as the material for the filament of the hair bundle, but PBT resin, PPT resin, and PPT / PBT resin with low water absorption are used in order to prevent deterioration of the physical properties of the filament due to water absorption. It is preferable to use it.
- it is also preferable to use a filament subjected to antibacterial treatment from the viewpoint of hygiene.
- the head body is configured in a bent shape, and a plurality of protrusions are provided on the outer peripheral surface of the distal end portion of the neck body at intervals in the circumferential direction, and the distal end portion of the neck body on the inner peripheral wall of the head body Is provided at a position corresponding to the projection, and a convex portion engaged with a concave groove portion formed between the projections is provided, and when the distal end portion of the neck body is inserted and connected to the head body, the convex portion and the Since the protrusion engages and functions as a detent, even if a force is applied to the head when the head is pressed into the oral cavity, the head is held at a constant angular position without rotating. By pressing the head portion against the site in the oral cavity and applying it, the front tooth portion and the molar portion can be efficiently and reliably performed.
- one or both of the side end portion on the distal end side in the neck axis direction of the projection and the side end portion on the proximal end side in the head body axis direction of the convex portion that face each other in the axial direction at the time of connection Since it has a mountain-shaped taper shape, it can be avoided that the projection and the convex part collide with each other at the time of connection and the fitting is not successful, or the fitting is insufficient, and the attachment and detachment work can be performed reliably and easily. it can. In other words, the user removes the head body and cleans it, etc., but it is possible to easily and reliably perform such attachment and detachment work by the user, and prevent the dropout during use due to insufficient fitting. It becomes possible.
- the handle body is provided with a storage chamber for storing the oral composition and a screw-type delivery mechanism for pushing the oral composition into the supply path, the gel-like or cream-like oral composition is provided. It can be used with exactly the required amount and can be operated with light force.
- FIG. 3 is a sectional view taken along line AA in FIG. 2.
- the longitudinal cross-sectional view which shows the connection structure of the neck, head body, and cap of the oral care device.
- A) is the perspective view which notched a part of head body of the oral care tool
- (b) is the perspective view which notched some head bodies of other embodiment which changed the shape of the hair
- FIG. 3 is a sectional view taken along line BB in FIG. 2.
- the disassembled sectional view which shows the attachment structure of the application body in the head body of the oral care tool.
- the longitudinal cross-sectional view which shows the connection structure which attaches a cap to the front-end
- the exploded longitudinal cross-sectional view which shows the connection structure of the neck body, head body, interdental brush body, and cap of the oral care tool provided with the interdental brush body instead of the application body.
- the longitudinal cross-sectional view which shows the connection structure of the neck body of the same oral care device, a head body, an interdental brush body, and a cap.
- (A) is a left side view
- (b) is a front view
- (c) is a right side view
- (d) is a cross-sectional view taken along the line DD of (a) of the interdental brush body of the oral care device.
- the longitudinal cross-sectional view which shows the connection structure of a neck body, a head body, an interdental brush body, and a cap at the time of changing partially the structure of the brush support part of the oral care tool.
- the exploded longitudinal cross-sectional view which shows the connection structure of the neck body of the oral care tool provided with the interdental brush body of another structure, a head body, an interdental brush body, a stop member, and a cap.
- the longitudinal cross-sectional view which shows the connection structure of the neck body, head body, interdental brush body, stop member, and cap of the oral care device.
- (A) of the brush support part of the interdental brush body of the oral care device is a plan view, (b) is a left side view, (c) is a front view, (d) is a right side view, and (e) is (b) EE line sectional drawing of).
- (A) of the stop member of the oral care device is a left side view, (b) is a front view, (c) is a right side view, and (d) is a sectional view taken along line DD of (a).
- the exploded longitudinal cross-sectional view which shows the connection structure of the head body and interdental brush body of an oral care tool provided with the interdental brush body of another structure.
- (A) of the interdental brush body of the oral care device is a plan view, (b) is a front view, and (c) is a sectional view taken along the line CC of (a).
- (A) of the oral care device is a cross-sectional view taken along the line AA in FIG. 20,
- (b) is a cross-sectional view taken along the line BB, and
- (c) is a cross-sectional view taken along the line CC.
- FIG. 1 is a perspective view showing the overall configuration of an oral care device according to the present invention
- FIG. 2 is a longitudinal sectional view in which the tip side is partially broken away from a handle body 2.
- 1 to 8 show typical embodiments of the present invention, in which reference numeral 1 denotes an oral care device, 2 denotes a handle body, 3 denotes a head body, and 4 denotes a cervical body.
- the oral care device 1 is a device for discharging a gel-like or cream-like oral composition from a nozzle portion 10 at the tip and applying it to the oral cavity, and at the time of use.
- an oral composition supply path 11 is provided from the handle body 2 to the nozzle portion 10 of the head body 3 through the inside of the neck body 4, and the head body 3 is detachably connected to the neck body 4. It is characterized by becoming.
- a cap 7 that closes the nozzle portion 10 is provided at the tip of the head body 3, and the distal end portion of the neck body 4 after the head body 3 is removed as shown in FIG.
- the structure is such that the same cap 7 can be mounted, the cap 7 is omitted, a dedicated cap is provided only for the head body 3, or different dedicated caps are provided for the head body 3 and the neck body 4, respectively.
- a dedicated cap is provided only for the head body 3 or different dedicated caps are provided for the head body 3 and the neck body 4, respectively.
- a storage chamber 23 for storing the oral composition and a screw-type delivery mechanism 24 for extruding the oral composition to the supply path 11.
- the screw-type delivery mechanism 24 of this example has the same structure as the liquid pressing mechanism disclosed in Japanese Patent Application Laid-Open No. 2007-330814. Specifically, a rotation operation member 26 that is rotatable with respect to the main body 25 is provided at the base end portion of the handle body 2, and the screw rod 28 is moved in the axial direction via a holding member 27 that is connected to and rotates integrally with the rotation operation member 26.
- the piston body 29 fixed to the tip of the screw rod 28 by moving is used as a mechanism for extruding the oral composition in the storage chamber 23.
- a ratchet is formed at a meshing portion of the holding member 27 and the rotation operation member 26, and the rotation operation member 26 is configured to integrally rotate the holding member 27 only in one direction.
- the screw rod 28 is screwed into a female screw formed in the central hole of the holding member 27.
- the piston body 29 moves forward along with the screw rod 28 toward the distal end, and presses the oral composition in the storage chamber 23.
- the piston body 29 is moved in accordance with the rotation amount.
- the delivery mechanism of the oral composition is not limited to this example.
- the pump mechanism described in JP 2008-1332099 A, JP 3-261469 A, JP 9-2854477 A, etc. Consisting of containers having elasticity described in Japanese Patent No. 1961489, US Pat. No. 3,199,510, US Pat. No. 3,391,696, Japanese Patent Laid-Open No. 11-28120, Japanese Patent Laid-Open No. 2001-57908 No. 2000-300349, Japanese Utility Model Laid-Open No. 08-858, Japanese Utility Model Laid-Open No. 07-44148, Japanese Utility Model Laid-Open No. 05-72224, Japanese Utility Model Registration No. 3121384, and the like.
- an apparatus having an electric and mechanical automatic drive pump mechanism may be used, and a separate container for containing the oral composition is connected as described in JP-A-7-59801. It is also possible to have a tank attached to the main body as disclosed in JP-A-8-117254.
- oral composition if it is a gel or cream oral care composition, medicinal solution containing antibacterial and anti-inflammatory agents effective for blood flow up and prevention and treatment of periodontal disease, etc.
- Various compositions such as prophylactic / therapeutic agents, hypersensitivity prophylactic / therapeutic agents, stomatitis preventive / therapeutic agents, oral moisturizers, denture stabilizers, whitening ingredients for tooth whitening agents, sealants, fluoride burnishes, oral anesthetics, etc.
- An aqueous gel-like composition is more suitable in consideration of dischargeability, applicability, and the like.
- the neck body 4 is configured in a cylindrical shape having a smaller outer diameter toward the distal end side.
- the distal end portion is provided with a fitting portion 4a for detachably mounting the head body 3, and the proximal end portion is provided with a handle body.
- the fitting part 4b for connecting with the upper end part of 2 is provided.
- the supply path 11 for the composition for oral cavity in the cervical body 4 can be formed directly on the inner peripheral wall of the cervical body 4.
- a tubular member 5 is housed, and the internal space of the tube member 5 is used as a supply path 11.
- the tube member 5 has an inner diameter of preferably 1 to 2 mm, more preferably 1.3 to 1.7 mm, and still more preferably about 1.6 mm, and the distal end portion 5 a is formed on the distal end side of the neck 4. It is inserted in the hole 42 in a close contact state, and the base end portion 5b is also inserted in the close contact state in the mounting hole 21 formed on the upper end side of the handle body 2.
- the back side (front end side) of the mounting hole 42 is a through hole that communicates with the lead-out path 43 that guides the oral composition to the nozzle part 10 of the head body 3 through the step part 42a as shown in FIG.
- the distal end portion 5a of the tube member 5 is stopped by the step portion 42a.
- the back side (base end side) of the mounting hole 21 communicates with the delivery path 22 extending from the pump mechanism of the handle body 2 via the step portion 21a, and the base end portion 5b of the tube member 5 is the step portion 21a.
- the movement in the axial direction is restricted by both of these step portions.
- the composition for oral cavity supplied from the delivery path 22 of the handle body 2 moves to the distal end side using the internal space of the tube member 5 as the supply path 11, moves to the head body 3 through the outlet path 43, and from the nozzle unit 10. It is discharged into the application body 6.
- a plurality of ribs 41,... Projecting in the axial center direction and extending in the axial direction are provided on the inner peripheral wall 40 of the neck 4.
- the protruding heights of the ribs 41 at the same position in the axial direction are the same, and a virtual inner diameter formed by connecting the protruding end surfaces of the ribs 41 in the circumferential direction (virtual contact with the protruding end surfaces inside the ribs 41 surrounded by the protruding end surfaces)
- the diameter of the circle is set so that the diameter gradually decreases toward the tip end in the axial direction.
- the end of the rib 41 on the distal end side of the neck 4 is formed continuously with the mounting hole 42 so that the inner diameter is substantially flush with the inner peripheral surface of the mounting hole 42. Therefore, when the tube member 5 is inserted and assembled into the neck 4 from the proximal end side, the distal end portion 5a is inside the mounting hole 42 with the outer peripheral surface 50 of the tube member 5 supported by the end surface of the rib 41. It is guided smoothly and can be assembled easily and reliably. Further, since the strength is increased by providing such a plurality of ribs 41,..., The thickness of the neck 4 can be made thinner than that without ribs, and the neck 4 has a thinner outer shape. It can be.
- the head body 3 is detachably connected to the neck body 4, and a nozzle portion 10 that discharges the oral composition is provided on the distal end side.
- An applicator body 6 comprising a filament bundle 60 is provided.
- the composition for the oral cavity discharged from the nozzle unit 10 is supplied into the hair bundle 60 and is efficiently applied to the site in the oral cavity through the hair bundle 60.
- the head body 3 includes a straight attachment portion 31 attached to the distal end portion of the neck body 4 and a cylindrical attachment portion 32 whose distal end side is bent in a predetermined direction from the attachment portion 31, and is bent as a whole. It is formed into a shape.
- the bending angle of the head body 3 is set to 110 ° in the head body 3 shown in FIG. 4, but considering the workability of the application of the oral composition by the application body 6, it is 80 ° to 130 °, preferably It is desirable to set between 85 ° and 120 °. As will be described later, when the brush body 81 for interdental cleaning is provided on the head body 3 instead of the application body 6, the bending angle of the head body 3 is the same as that when the application body 6 is provided. It is desirable to set the angle range. However, the head body 3 may be of a straight shape or other shapes in addition to the bent one. As a fitting seal structure for fitting this head body 3 in a sealed state with respect to the distal end portion of the neck body 4, as shown in FIG.
- annular protrusions 46 and 47 are provided, and the annular protrusions are respectively provided at positions corresponding to the annular protrusions 46 and 47 on the inner peripheral wall of the fitting hole 31a to which the distal end portion of the neck body 4 of the head body 3 is fitted.
- Annular protrusions 37 and 38 that are engaged and adhered to 46 and 47 are provided.
- a detent mechanism is provided at the connecting portion between the head body 3 and the neck body 4. Specifically, a plurality of protrusions 44 are provided on the outer peripheral surface of the fitting portion 4a of one neck body 4 at intervals in the circumferential direction, and the fitting portion of the mounting portion 31 of the other head body 3 is provided.
- a convex portion 33 is provided that engages with a concave groove 45 portion formed between the protrusions 44 and 44 and opened in the distal direction.
- two convex portions 33, 33 that are opposed to each other by 180 ° are provided at the corresponding positions on the inner peripheral wall of the fitting hole 31 a, and on the outer peripheral surface of the fitting portion 4 a.
- the positional relationship between the push button and the projecting direction of the application body 6 can be selected and attached from a plurality of directions so that the user can easily use it. It is possible to select the relationship between the push button and the protruding direction of the applicator 6 in a direction that is easy to use depending on the difference between the dominant hand and where it is applied in the oral cavity.
- the form of the number of the concave grooves 45 and the convex portions 33 that function as a rotation preventing structure is not limited to this example.
- only one convex portion 33 is provided and a plurality of concave grooves 45 are provided.
- the angle can be changed similarly, which is a preferred embodiment.
- the angle cannot be changed, even if only one of the convex portion 33 and the concave groove 45 is provided, it can function as a detent.
- the width of the concave groove 45 is set to be substantially the same as the width of the convex portion 33 so that no play occurs in the rotational direction in the connected state, and the convex portion 33 can be smoothly engaged with the concave groove 45. Therefore, as shown in FIG. 4 and FIG. 5, the side end portion 44 a on the distal end side in the neck direction of the neck of the projection 44 facing each other in the axial direction at the time of connection, and the proximal end side in the head body axial direction of the convex portion 33.
- One or both of the side end portions 33a are formed in a mountain-shaped tapered shape. As a result, it is possible to prevent the engagement between the two members from being collided with each other and becoming insufficient, and the user can easily and surely perform the attaching / detaching operation, and can prevent the dropout during use. .
- the taper shape is a mountain shape, but it may be a trapezoidal shape or a knife shape having only one slope.
- both the side end portions 44a and 33a are trapezoidal or knife-shaped, it is preferable to have an inclined surface on the opposite side along the rotation direction so that the inclined surfaces come into contact with each other.
- a trapezoidal shape, an arc shape, or a combination of them the upper side of the trapezoid may be an arc shape.
- the application body 6 is a tip cone-shaped one-tuft brush provided with only one filament hair bundle 60, and cleans the dirt in the oral cavity to create a periodontal pocket or interdental space.
- the composition for oral cavity can be supplied to the inside thereof while removing plaque such as the hourglass gap between the gums and the gum margin.
- a plurality of filaments are bundled into a cylindrical shape to form a cylindrical shape, and the tooth surface is cleaned with the tip surface of the hair bundle 60A. What was comprised so that the composition for oral cavity could be smoothly applied to the tooth
- gear surface can also be employ
- tip structure of an applicator can be designed suitably.
- it may be a toothbrush type having a plurality of bristles, in addition to providing bristles, a protruding rod of elastomer or silicone rubber, or a protruding interdental brush made of wire and filament
- various application bodies such as a tongue brush, a sponge-like cleaning body, an application body made of a cloth material such as felt, cotton, gauze, and non-woven fabric.
- a simple rod-shaped nozzle may be provided.
- the hair bundle 60 as the application body 6 is mounted together with the application body fixing member 30 in the attachment hole 34 at the tip opening formed in the attachment portion 32 of the head body 3. And is fixed by fitting with the mounting hole 34.
- the base ends of a plurality of filaments constituting the hair bundle 60 are fused and integrated with each other, and a base 61 having a bulging portion 61a bulging outward is provided.
- the ring-shaped application body stopping member 30 is externally mounted from the distal end side of the hair bundle 60 and is engaged with the bulging portion 61 a of the base 61.
- the stop member 30 is attached to the attachment hole 34 together with the hair bundle 60, and is fitted and fixed.
- the tip of the hair bundle 60 is cut into a tapered shape.
- This hair cutting process is performed before the application body 6 is assembled to the head body 3. You may go. It is also possible to use the hair bundle 60 as a hair bundle 60A of the application body 6A shown in FIG. 5B without cutting the hair bundle 60 into a tapered shape.
- the nozzle portion 10 is opened at the bottom of the attachment hole 34, and the bristles 60 are fixed to the attachment hole 34, whereby the oral composition discharged from the nozzle portion 10 is passed through the hole 62 as shown in FIG. 4.
- the application body 6 composed of the hair bundle 60 can be easily and reliably assembled, which is advantageous from the viewpoint of automation of manufacturing, and the filaments of the hair bundle 60 can be prevented from coming off.
- the structure in which the composition for oral cavity can be supplied from the nozzle portion 10 to the inside of the application body 6 is adopted.
- the application body is used. It is also preferable that the composition for oral cavity is sprayed in an oblique direction toward the outer peripheral surface of the application body on the outer peripheral surface of the head body near the base of No. 6 and the nozzle part to be attached is opened.
- the cap 7 is a cap for preventing dryness with the tip closed, and the coating body 6 and the nozzle portion 10 of the head body 3 are closed to leave the altered composition of the oral composition and each part (application body, nozzle portion, supply path).
- the composition for oral cavity and the composition for oral cavity in the storage chamber are prevented from drying and solidifying.
- the cap 7 has a structure in which the same cap can be attached to the distal end portion of the head body 3 and the distal end portion of the neck body 4 as shown in FIG. 4 or FIG.
- a seal structure is provided to be attached to the distal end portion of the body 4 and closed in a sealed state.
- the attachment portion 32 on the distal end side of the head body 3 includes a flange portion 35 that stops the opening end 7 a of the cap 7, and a protrusion 71 that is formed near the opening end of the inner peripheral surface of the cap 7.
- An annular protrusion 36 for locking is provided, and the mounting portion 32 of the head body 3 is attached to the inner peripheral surface of the cap 7 on the back side (tip side) of the protrusion 71 in the mounted state.
- An annular sealing protrusion 72 is formed which is in close contact with the outer peripheral surface and performs a sealing function.
- an annular stepped portion 73 that stops against the protrusion 44 of the neck 4 is provided on the back side of the inner peripheral surface of the same cap 7.
- an annular sealing protrusion 74 is formed which is in close contact with the outer peripheral surface of the fitting portion 4a of the neck 4 and performs a sealing function.
- each member of the handle body 2, the head body 3 excluding the application body 6, the neck body 4, and the inner tube member 5 is, for example, a polyolefin resin such as polypropylene or polyethylene, a polyamide resin, a polyester resin, a polycarbonate resin, or a polyacetal resin.
- a polyolefin resin such as polypropylene or polyethylene
- a polyamide resin such as polypropylene or polyethylene
- a polyester resin such as polyamide resin
- a polycarbonate resin such as polycarbonate resin
- a polyacetal resin such as polyethylene
- Synthetic resins such as ABS resin, PS resin and blended resins thereof, metals such as glass and stainless steel, and various other materials can be used.
- An oral care device 1A shown in FIGS. 9 to 11 has an interdental brush body having a brush body 81 and a brush support portion 82 for supporting the brush body 81 in place of the application body 6 and the application body stopping member 30. 80 is detachably attached to the tip of the head body 3.
- the brush body 81 has a known configuration including a core material 81a made of a fine metal wire, and a brush portion 81b in which a plurality of filaments are radially planted along the length direction of the core material 81a. Fold the thin wire in half and arrange the filaments orthogonally between them, twist this metal thin wire, plant the filament radially into the core material 81a made of metal thin wire, and then cut the filament to the desired length It was produced.
- the outer shape of the brush portion 81b may be formed in a truncated cone shape as shown in FIG. 9, or in a barrel shape in which the outer diameter of the middle portion in the cylindrical shape or the length direction is set larger than the outer diameter of both end portions. It may be formed.
- the size of the brush part can be changed as appropriate. However, as the brush part 81b, it is also possible to adopt a structure in which synthetic resin or synthetic rubber filaments are radially integrated integrally with a synthetic resin or metal core.
- the brush support portion 82 includes a substantially cylindrical main body portion 82a, an annular flange portion 82b that protrudes radially outward from the distal end portion of the main body portion 82a, and a middle portion in the length direction of the main body portion 82a. And an annular protrusion 82c that protrudes outward in the radial direction.
- the length of the main body 82a is set to be substantially the same as the depth of the mounting hole 34
- the outer diameter of the main body 82a is set to be substantially the same as the inner diameter of the mounting hole 34 of the head body 3
- the outer diameter of the annular flange 82b is set.
- the diameter is set to be substantially the same as the outer diameter of the mounting portion 32, and the outer diameter of the annular protrusion 82c is set to be slightly larger than the outer diameter of the main body portion 82a.
- An annular protrusion 32 a that protrudes toward the inside of the attachment hole 34 is formed in the middle in the length direction of the attachment part 32 of the head body 3.
- the brush body 81 is attached to the brush support portion 82 by insert molding the core material 81a of the brush body 81 during molding of the brush support portion 82, or previously attached to the brush support portion 82 as shown in FIG.
- An insertion hole 82d for inserting the core material 81a is formed, and the core material 81a can be attached by an appropriate method, such as being inserted and fixed in the insertion hole 82d of the brush support portion 82 by heat fusion.
- the main body 82 a of the brush support 82 is inserted into the mounting hole 34 of the head body 3 until the annular flange 82 b abuts on the front end of the mounting section 32.
- the annular protrusion 82c of the main body part 82a gets over the annular protrusion 32a of the attachment part 32 and engages with the annular protrusion 32a.
- the interdental brush body 80 does not easily fall off only by the operation force in the extraction direction during interdental cleaning due to the engagement of both the annular protrusions 82c and 32a, but the extraction operation is performed with more force than that.
- the head body 3 can be removed and replaced.
- a communication passage 83 extending from the distal end portion to the base end portion is provided in the main body portion 82a at a position eccentric from the center of the main body portion 82a, and a groove portion 84 extending to the central portion of the main body portion 82a is provided at the base end portion of the communication passage 83.
- the communication path 83 is formed so as to communicate with the lead-out path 43 and the supply path 11 through the groove section 84 in a state where the brush support section 82 is assembled to the head body 3.
- a nozzle portion 83 a that opens toward the brush portion 81 b is formed at the distal end portion of the communication passage 83, and the oral composition is supplied from the nozzle portion 83 a to the brush through the supply passage 11, the outlet passage 43, the groove portion 84, and the communication passage 83. It is discharged toward the part 81b.
- a receiving portion for receiving the composition for oral cavity discharged from the nozzle portion 83a is formed in a protruding shape at the tip of the main body portion 82a below the opening of the nozzle portion 83a.
- the protruding length from the main body part 82a of the annular collar part 82Bb is set larger than the annular collar part 82b, It is also a preferred embodiment to be configured so that the interdental brush body 80B can be easily attached and detached by picking the annular collar 82Bb.
- the stop member 87 includes a cylindrical body part 87a, an annular flange part 87b formed to protrude radially outward from the tip part of the body part 87a, and a radial part in the middle of the body part 87a in the length direction. And an annular protrusion 87c that protrudes outward.
- the outer diameter of the body portion 87a is set to be substantially the same as the inner diameter of the mounting hole 34, the length of the body portion 87a is set slightly shorter than the depth of the mounting hole 34, and the outer diameter of the annular flange 87b is set to the mounting portion.
- the outer diameter of the annular protrusion 87c is set to be slightly larger than the outer diameter of the body part 87a.
- the brush body 81 includes a core material 81a made of a fine metal wire, and a brush portion 81b in which a plurality of filaments are radially planted along the length of the core material 81a. It is of a well-known configuration.
- the brush support portion 86 includes a substantially cylindrical main body portion 86a, and an annular locking portion 86b that is formed on the outer peripheral portion of the base end of the main body portion 86a so as to protrude radially outward.
- the outer diameter of the main body portion 86a is set to be substantially the same as the inner diameter of the stopper member 87
- the length of the main body portion 86a is set to be substantially the same as the length of the stopper member 87
- the outer diameter of the locking portion 86b is the head.
- the diameter is set to be approximately the same as the inner diameter of the mounting hole 34 of the body 3.
- An annular protrusion 32 a that protrudes toward the inside of the attachment hole 34 is formed in the middle in the length direction of the attachment part 32 of the head body 3.
- the brush body 81 is attached to the brush support portion 86 by insert molding the core material 81a of the brush body 81 when the brush support portion 86 is formed, or previously attached to the brush support portion 86 as shown in FIG.
- An insertion hole 86e for inserting the core material 81a can be formed, and the core material 81a can be attached by an appropriate method such as inserting and fixing the core material 81a to the insertion hole 86e of the brush support portion 86 by heat fusion.
- the brush body 86 When the interdental brush body 85 is assembled to the head body 3, the brush body 86 is mounted in the mounting hole 34 of the head body 3, and the head body until the annular flange 87 b comes into contact with the tip of the mounting section 32.
- the stop member 87 is inserted and inserted between the third mounting portion 32 and the brush support portion 86.
- the annular projection 87c of the stop member 87 gets over the annular projection 32a of the mounting portion 32 and engages with the annular projection 32a, and the engagement portion 87d of the base end portion of the body portion 87a
- the engaging portion 86b of the brush support portion 86 is disposed between the back end surfaces of the mounting holes 34 and a force in the pulling direction acts on the interdental brush body 85
- the engaging portion 86b of the brush support portion 86 is The interdental brush body 85 is held by the head body 3 so as not to drop off through the stop member 87 in contact with the engaging portion 87d of the stop member 87.
- the interdental brush body 85 when the interdental brush body 85 is replaced due to deterioration of the brush portion 81b, the interdental brush body 85 is removed and replaced after the stopper member 87 is extracted.
- the brush support portion 86 is fixed to the mounting portion 32 with a stop member 87 so as not to be removable, and the interdental brush body 85 is replaced with the head body 3 when the brush portion 81b deteriorates. It is also possible.
- a groove portion 86c extending from the distal end portion to the proximal end portion is provided in the outer peripheral portion of the main body portion 86a, and a groove portion 86d extending in the center portion of the main body portion 86a is recessed in the proximal end portion of the groove portion 86c.
- the groove portion 86c and the groove portion 86d form a communication passage 88 that extends from the distal end portion to the base end portion of the main body portion 86a and communicates with the lead-out passage 43 and the supply passage 11.
- a nozzle part 88a that opens toward the brush part 81b is formed at the tip of the communication path 88, and the oral composition passes from the nozzle part 88a to the brush part 81b via the supply path 11, the outlet path 43, and the communication path 88. It is discharged toward.
- the fitting position of the main body part 86a with respect to the attachment part 32 is set so that the nozzle part 88a is always opened above the core material 81a. It is also possible to form an uneven fitting portion or the like for positioning in the circumferential direction.
- a receiving part for receiving the composition for oral cavity discharged from the nozzle part 88a is formed in a protruding shape at the tip of the main body part 86a below the opening of the nozzle part 88a.
- the number of parts is increased by providing the stop member 87, but the interdental brush body 85 is effectively removed from the mounting portion 32 of the head body 3. Therefore, it can be prevented. That is, in the interdental brush body 85, the core material 81a is bent in the vicinity of the main body portion 86a to adjust the angle of the brush portion 81b, so that the core material 81a is prevented from being broken at the bent portion.
- the main body 86a is preferably made of a synthetic resin material that is softer than the head body 3.
- the main body 86a is made of a soft synthetic resin material in this way, the main body 86a is easily elastically deformed, and the teeth can be obtained only by engaging the two annular protrusions 82c and 32a as in the oral care devices 1A and 1B.
- the pull-out strength of the intermediate brush bodies 80, 80A decreases.
- the stop member 87 is locked to the head body 3 by the engagement of the two annular protrusions 87c and 32a, but the stop member 87 is the same hard as the head body 3.
- the pulling strength of the stopper member 87 with respect to the head body 3 can be sufficiently secured, and the hook portion 86b of the main body portion 86a is also engaged with the engaging portion 87d of the base end portion of the stopper member 87.
- the pullout strength can be sufficiently secured. For this reason, the extraction strength of the interdental brush body 85 can be easily increased.
- the oral care device 1D shown in FIG. 17 to FIG. 19 is provided with a cylindrical mounting portion 32D provided on the upper end portion of the mounting portion 31 in an inclined manner ascending upward on the tip side as a head body 3D instead of the head body 3.
- a mounting hole 34D having a base end opened in the portion 32D is formed, a nozzle portion 90 having a smaller diameter than the mounting hole 34D is formed on the distal end side of the mounting portion 32D, and an annular protrusion is formed on the base end of the mounting hole 34D.
- the part 32Dc is formed so as to protrude inward.
- the interdental brush body 92 which has the brush support part 91 which supports the brush body 81 and the brush body 81 is provided, and the interdental brush body 92 is provided for the head body 3D.
- the fitting portion 32D is internally fitted and fixed so as to be detachable from the proximal end side or the distal end side.
- the brush body 81 includes a core material 81a made of a fine metal wire, and a brush portion 81b in which a plurality of filaments are radially planted along the length of the core material 81a. It is of a well-known configuration.
- the brush support portion 91 includes a substantially columnar main body portion 91a, an annular flange 91b formed in a protruding shape radially outward on the base end outer peripheral portion of the main body portion 91a, and a base end vicinity portion of the main body portion 91a.
- a linear seal portion 91e formed so as to protrude radially outward from the annular seal portion 91d to the distal end portion of the main body portion 91a at a set interval in the circumferential direction of the main body portion 91a.
- the outer diameter of the main body 91a is set to be approximately the same as the inner diameter of the mounting hole 34, the length of the main body 91a is set to be substantially the same as the depth of the mounting hole 34, and the outer diameter of the annular flange 91b is the mounting
- the outer diameter of the portion 32D is set to be substantially the same diameter
- the annular protrusion 91c is set to be slightly larger than the outer diameter of the main body 91a
- the outer diameter of the annular seal portion 91d and the linear seal portion 91e is the annular protrusion 91c. It is set to be approximately the same as the outer diameter of.
- the brush body 81 is attached to the brush support portion 91 by insert molding the core material 81a of the brush body 81 when the brush support portion 91 is formed, or previously attached to the brush support portion 91 as shown in FIG.
- the insertion hole 91h for inserting the core material 81a is formed, and the core material 81a can be attached by an appropriate method, such as being inserted and fixed in the insertion hole 91h of the brush support portion 91 by heat fusion.
- the interdental brush body 92 When the interdental brush body 92 is assembled to the head body 3, the main body of the brush support section 91 is inserted until the brush section 81b is inserted into the nozzle section 90 and the annular flange 91b contacts the rear end of the mounting section 32D.
- the portion 91a is inserted into the mounting hole 34 of the head body 3 from the proximal end side to the distal end side.
- the annular protrusion 91c of the main body portion 91a gets over the annular protrusion 32Da of the mounting portion 32D and engages with the annular protrusion 32Da, and the interdental brush body 92 includes both the annular protrusions 91c and 32Da.
- the operation force in the pushing direction at the time of interdental cleaning does not easily fall off, but it can be removed from the head body 3 and replaced by operating in the pushing direction with a force greater than that. .
- a groove portion 91f extending from the tip portion to the vicinity of the annular seal portion 91d is formed between the adjacent linear seal portions 91e at the lower portion of the main body portion 91a, and a groove portion 91g extending toward the central portion of the main body portion 91a is formed at the tip portion of the groove portion 91f.
- a communication passage 93 is formed by the groove portion 91f and the groove portion 91g to communicate the lead-out passage 43 and the supply passage 11 with the nozzle portion 90.
- the ink is discharged from the nozzle portion 90 toward the brush portion 81b through the supply passage 11, the outlet passage 43, and the communication passage 93.
- the fitting portion 32D and the main body include an uneven fitting portion that positions the main body portion 91a in the circumferential direction with respect to the mounting portion 32D so that the groove portion 91f is positioned below the main body portion 91a. It is preferable to form between the portions 91a. It is also a preferred embodiment that a receiving part for receiving the composition for oral cavity discharged from the nozzle part 90 is formed in a protruding shape at the tip part of the main body part 91a below the opening of the nozzle part 90.
- the protruding portion 91i is bent at the time of use, whereby the core material of the brush body 81 This is preferable because the attachment angle of the brush body 81 can be changed while preventing the 81a from being broken.
- this oral care device 1A it is possible to reliably prevent the interdental brush body 92 from dropping in the pulling direction with respect to the head body 3. Moreover, since the composition for oral cavity can be discharged along the core material 81a of the brush body 81, the fall of the composition for oral cavity can be prevented effectively.
- a brush body for interdental cleaning is used in place of the application body 6 and the application body stopping member 87 in the mounting portion 32E of the head body 3E instead of the head body 3. 81 is provided integrally.
- the brush body 81 includes a core material 81a made of a thin metal wire, and a brush portion 81b in which a plurality of filaments are radially planted along the length of the core material 81a. It is of a well-known configuration.
- a cylindrical mounting portion 32E is provided on the upper end portion of the mounting portion 31 so as to be inclined upward from the distal end side.
- the brush body 81 places the brush portion 81b on the distal end side of the mounting portion 32E.
- the base portion of the core member 81a is embedded in the central portion of the attachment portion 32E and is provided integrally with the head body 3.
- a communication passage 95 that penetrates the attachment portion 32E in the axial direction is formed in the upper part of the attachment portion 32E from the distal end portion to the base end portion, and a nozzle portion 95a that opens toward the brush portion 81b side at the distal end portion of the communication passage 95.
- a semicircular groove 96 communicating with the communication path 95 is formed in the vicinity of the proximal end of the mounting portion 32E.
- An annular groove 97 having an opening on the base end side is formed at the base end portion of the attachment portion 32E so as to continue to the groove portion 96, and an annular protrusion 32Ea projecting inward of the annular groove 97 is formed at the base end portion of the attachment portion 32E. Is formed.
- the brush body 81 is attached to the head body 3E by insert molding the core material 81a of the brush body 81 when the head body 3E is molded, or as shown in FIG. 20, the core material 81a is previously attached to the head body 3E.
- Can be attached by an appropriate method such as forming the insertion hole 99 for inserting the core member 81a and inserting and fixing the core member 81a to the insertion hole 99 of the head body 3E by heat fusion.
- a lid 98 is detachably provided at the base end of the head body 3E.
- the lid body 98 protrudes outward in the radial direction at a cylindrical portion 98a fitted and fixed in the annular groove 97, an annular flange 98b formed at the proximal end portion of the lid member 98, and a proximal end portion of the tubular portion 98a. And an annular protrusion 98c.
- the annular protrusion 98c of the lid 98 is attached to the attachment portion 32E in a state where the cylindrical portion 98a of the lid 98 is fitted in the annular groove 97 and the lid 98 is assembled to the head body 3E.
- the annular projecting portion 32Ea is overcome and engaged with the annular projecting portion 32Ea, and the lid body 98 is fitted and fixed to the attachment portion 32E in a liquid-tight manner by the engagement of both the annular projecting portions 98c and 32Ea.
- the outlet passage 43 and the supply passage 11 and the nozzle portion 95a are communicated with each other between the communication passage 95 and the groove portion 96, and the oral cavity composition is communicated with the groove portion 96 and the communication passage 95 from the supply passage 11 and the outlet passage 43.
- the nozzle portion 95a is discharged toward the brush portion 81b.
- the brush body 81 is exchanged together with the head body 3E.
- the brush body 81 is provided integrally with the head body 3E, the head of the brush body 81 is replaced. The drop-off from the body 3E can be reliably prevented.
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Abstract
Description
3 ヘッド体 4 頸体
4a 嵌合部 4b 嵌合部
5 チューブ部材 5a 先端部
5b 基端部 6 塗布体
7 キャップ 7a 開口端
10 ノズル部 11 供給路
21 取付孔 21a 段差部
22 送出路 23 収容室
24 ねじ込み式送出機構 25 本体
26 回転操作部材 27 保持部材
28 ねじ棒 29 ピストン体
30 塗布体止め部材 31 装着部
31a 嵌合孔 32 取付部
32a 環状突部
33 凸部 33a 側端部
34 取付孔 35 フランジ部
36 環状突部 37 環状突部
38 環状突部
40 内周壁 41 リブ
42 取付孔 42a 段差部
43 導出路 44 突起
44a 側端部 45 凹溝
46 環状突部 47 環状突部
50 外周面
60 毛束 61 基台
61a 膨出部分 62 通孔
71 突起 72 シール用突部
73 環状段部 74 シール用突部
6A 塗布体 60A 毛束
1A オーラルケア具 80 歯間ブラシ体
81 ブラシ体 81a 芯材
81b ブラシ部 82 ブラシ支持部
82a 本体部 82b 環状鍔部
82c 環状突部 82d 挿通孔
83 連通路 83a ノズル部
84 溝部
1B オーラルケア具 80B 歯間ブラシ体
82B ブラシ支持部 82Bb 環状鍔部
1C オーラルケア具 85 歯間ブラシ体
86 ブラシ支持部 86a 本体部
86b 係止部 86c 溝部
86d 溝部 86e 挿通孔
87 止め部材 87a 胴体部
87b 環状鍔部 87c 環状突部
87d 係合部 88 連通路
88a ノズル部
1D オーラルケア具 3D ヘッド体
32D 取付部 32Da 環状突部
34D 取付孔
90 ノズル部 91 ブラシ支持部
91a 本体部 91b 環状鍔部
91c 環状突部 91d 環状シール部
91e 直線シール部 91f 溝部
91g 溝部 91h 挿通孔
91i 突出部
92 歯間ブラシ体 93 連通路
1E オーラルケア具 3E ヘッド体
32E 取付部 32Ea 環状突部
95 連通路 95a ノズル部
96 溝部 97 環状溝
98 蓋体 98a 筒部
98b 環状鍔部 98c 環状突部
99 挿通孔
Claims (15)
- ジェル状若しくはクリーム状の口腔用組成物を先端のノズル部から吐出して口腔内に塗布するためのオーラルケア具であって、使用時に把持されるハンドル体と、口腔用組成物を吐出するノズル部を先端側に有するヘッド体と、これらハンドル体及びヘッド体の間に介在し、前記ヘッド体を口腔内の奥まで挿入可能とするための頸体とを備え、前記頸体内を介して前記ハンドル体からヘッド体のノズル部に至る口腔用組成物の供給路を設けるとともに、前記頸体に対して前記ヘッド体を着脱自在に連結したことを特徴とするオーラルケア具。
- 前記頸体の内周壁に、軸中心方向に突出し且つ軸方向に長く延びるリブを複数設け、これら複数のリブに外周面を支持されるようにして、前記口腔用組成物の供給路を構成する内径1~2mmの筒状のチューブ部材を当該頸体内に挿着してなる請求項1記載のオーラルケア具。
- 前記ヘッド体のノズル部に、フィラメントの毛束よりなる塗布体を設けてなる請求項1又は2記載のオーラルケア具。
- 前記塗布体が、前記フィラメントの毛束を1つのみ設けてなる請求項3記載のオーラルケア具。
- 前記塗布体に、前記毛束を構成している複数のフィラメントの基端を互いに融着一体化して外側に膨出させた基台を設けるとともに、該基台に前記ノズル部の開口に連通する通孔を設け、リング状の塗布体止め部材を該塗布体の先端側より外装し、前記基台の膨出部分に係止される当該塗布体止め部材を塗布体とともに前記ヘッド体のノズル部周囲に装着してなる請求項3又は4記載のオーラルケア具。
- 前記ヘッド体の先端部に歯間清掃用のブラシ体を設け、前記ノズル部をブラシ体のブラシ部に向けて開口させた請求項1又は2記載のオーラルケア具。
- 前記ヘッド体を屈曲した形状に構成した請求項6記載のオーラルケア具。
- 前記ブラシ体と、該ブラシ体を支持するブラシ支持部とを有する、前記ヘッド体とは別部材からなる歯間ブラシ体を設け、前記ヘッド体の先端部に前記ブラシ支持部を外嵌保持する取付部を設けた請求項6又は7記載のオーラルケア具。
- 前記ブラシ支持部の基部に外側に膨出する係止部を形成し、前記ブラシ支持部に外嵌されるとともに、取付部に内嵌固定されるリング状の止め部材を設け、前記止め部材の端部を係止部に係合可能となした請求項8記載のオーラルケア具。
- 前記ブラシ支持部にヘッド体の供給路に連通する連通路を形成し、該連通路の端部にノズル部を形成した請求項8又は9記載のオーラルケア具。
- 前記ヘッド体を屈曲した形状に構成するとともに、前記ヘッド体の基部側の供給路と先端側の供給路とを角度を付けて形成し、前記ヘッド体の先端側の供給路をヘッド体の先端側部分を貫通する貫通孔により形成し、ヘッド体の先端側部分の基部に貫通孔の基端開口を閉鎖する蓋体を固定した請求項6又は7記載のオーラルケア具。
- 前記ヘッド体の先端側の前記ノズル部を覆う位置、及び該ヘッド体を取り外した状態における前記頸体の先端部を覆う位置に、それぞれ着脱自在に装着されるキャップを付け替え可能に設けてなる請求項1~11の何れか1項に記載のオーラルケア具。
- 前記ヘッド体を屈曲した形状に構成するとともに、前記頸体の先端部の外周面に周方向に間隔をおいて複数の突起を設け、前記ヘッド体の内周壁の前記頸体の先端部に対応する位置に、前記突起間に形成される凹溝部分に係入される凸部を設け、前記頸体の先端部を前記ヘッド体に挿着して連結するとき前記凸部と前記突起が係合し、回り止めとして機能する請求項1~12の何れか1項に記載のオーラルケア具。
- 連結の際に互いに軸方向に対面することとなる前記突起の頸体軸方向先端側の側端部、及び前記凸部のヘッド体軸方向基端側の側端部の一方又は双方を、山形の先細形状としてなる請求項13記載のオーラルケア具。
- 前記ハンドル体に、口腔用組成物を収容する収容室と該口腔用組成物を供給路に押し出すためのねじ込み式の送出機構を設けてなる請求項1~14の何れか1項に記載のオーラルケア具。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011518495A JP5505414B2 (ja) | 2009-06-04 | 2010-06-03 | オーラルケア具 |
US13/375,967 US9173478B2 (en) | 2009-06-04 | 2010-06-03 | Oral care instrument |
CA2764471A CA2764471C (en) | 2009-06-04 | 2010-06-03 | Oral care instrument |
ES10783442.6T ES2635090T3 (es) | 2009-06-04 | 2010-06-03 | Instrumento de higiene bucal |
CN2010800324570A CN102458298A (zh) | 2009-06-04 | 2010-06-03 | 口腔护理器具 |
EP10783442.6A EP2438886B1 (en) | 2009-06-04 | 2010-06-03 | Oral care instrument |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009-135563 | 2009-06-04 | ||
JP2009135563 | 2009-06-04 |
Publications (1)
Publication Number | Publication Date |
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WO2010140660A1 true WO2010140660A1 (ja) | 2010-12-09 |
Family
ID=43297793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/059448 WO2010140660A1 (ja) | 2009-06-04 | 2010-06-03 | オーラルケア具 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9173478B2 (ja) |
EP (1) | EP2438886B1 (ja) |
JP (1) | JP5505414B2 (ja) |
CN (1) | CN102458298A (ja) |
CA (1) | CA2764471C (ja) |
ES (1) | ES2635090T3 (ja) |
WO (1) | WO2010140660A1 (ja) |
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US9597168B2 (en) * | 2009-12-23 | 2017-03-21 | Koninklijke Philips N.V. | Guidance assembly tip for a liquid droplet spray teeth cleaning appliance |
US20120270178A1 (en) * | 2009-12-23 | 2012-10-25 | Koninklijke Philips Electronics N.V. | Guidance assembly tip for a liquid droplet spray teeth cleaing appliance |
US10849726B2 (en) | 2013-11-21 | 2020-12-01 | Koninklijke Philips N.V. | Air-driven interproximal toothbrush |
JP2015204905A (ja) * | 2014-04-17 | 2015-11-19 | ライオン株式会社 | 歯間ケア用具 |
KR101490081B1 (ko) | 2014-07-07 | 2015-02-04 | 이상근 | 휴대용 치간 칫솔 |
JP2016526938A (ja) * | 2014-07-17 | 2016-09-08 | グン リ,サン | 携帯用歯間ブラシ |
JP2017042623A (ja) * | 2014-09-02 | 2017-03-02 | グン リ,サン | 携帯用歯間ブラシ |
JP2019500973A (ja) * | 2016-01-08 | 2019-01-17 | ブルーレオ インコーポレイテッド | 密閉型の歯洗浄器具 |
JP2017213092A (ja) * | 2016-05-30 | 2017-12-07 | 大平工業株式会社 | 歯間ブラシ及び歯間ブラシセット |
WO2020189584A1 (ja) * | 2019-03-15 | 2020-09-24 | 三菱鉛筆株式会社 | 塗布具 |
US11766110B2 (en) | 2019-03-15 | 2023-09-26 | Mitsubishi Pencil Company, Limited | Applicator |
JP2021074309A (ja) * | 2019-11-11 | 2021-05-20 | パナソニックIpマネジメント株式会社 | 口腔洗浄器用ノズル |
WO2021095320A1 (ja) * | 2019-11-11 | 2021-05-20 | パナソニックIpマネジメント株式会社 | 口腔洗浄器用ノズル |
JP7390645B2 (ja) | 2019-11-11 | 2023-12-04 | パナソニックIpマネジメント株式会社 | 口腔洗浄器用ノズル |
Also Published As
Publication number | Publication date |
---|---|
US20120077145A1 (en) | 2012-03-29 |
US9173478B2 (en) | 2015-11-03 |
CN102458298A (zh) | 2012-05-16 |
EP2438886A1 (en) | 2012-04-11 |
JPWO2010140660A1 (ja) | 2012-11-22 |
EP2438886B1 (en) | 2017-05-10 |
JP5505414B2 (ja) | 2014-05-28 |
EP2438886A4 (en) | 2015-08-05 |
CA2764471A1 (en) | 2010-12-09 |
CA2764471C (en) | 2016-09-20 |
ES2635090T3 (es) | 2017-10-02 |
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