WO2017146255A1 - 口腔関連圧力測定用プローブ - Google Patents
口腔関連圧力測定用プローブ Download PDFInfo
- Publication number
- WO2017146255A1 WO2017146255A1 PCT/JP2017/007528 JP2017007528W WO2017146255A1 WO 2017146255 A1 WO2017146255 A1 WO 2017146255A1 JP 2017007528 W JP2017007528 W JP 2017007528W WO 2017146255 A1 WO2017146255 A1 WO 2017146255A1
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- WO
- WIPO (PCT)
- Prior art keywords
- balloon
- tube portion
- oral cavity
- pressure
- probe
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
Definitions
- the present invention relates to an oral pressure measuring probe used for measuring oral pressure such as, for example, tongue pressure, sublingual muscle pressure, lip pressure, and cheek pressure, and in particular, applies pressure to a balloon inserted into the oral cavity. It belongs to the technical field of a structure that makes it possible to measure the pressure by adding.
- the pressure detection unit communicating with the balloon detects a change in air pressure in the balloon.
- the tongue pressure can be measured by converting the air pressure change into an electric signal.
- the probe of Patent Document 2 includes a balloon, a hollow tube portion communicating with the balloon, and a sliding member disposed outside the hollow tube portion.
- the sliding member is sandwiched and held between teeth and lips when the probe is used, and is configured so that the position can be changed according to the insertion length of the probe into the oral cavity.
- As the shape of the sliding member a plurality of shapes having a flat cross section are disclosed.
- Patent Document 3 a flange portion protruding outward is provided at the proximal end portion of the balloon of the probe.
- the cross-sectional shape on the proximal end side of the balloons of Patent Documents 1 and 3 is made to be a flat cross-sectional shape that is close to the cross-sectional shape of the sliding member of Patent Document 2, and this flat part is held between teeth and lips. It is possible. This makes it possible to stabilize the balloon as compared with the balloon having a circular cross section on the proximal end side.
- the balloon and the hollow tube portion connected to the balloon are configured as separate members, and need to be assembled and integrated after forming each member. is there.
- a collar as shown in Patent Document 3 is provided on the balloon, and the balloon is assembled to the hollow tube so as to sandwich the collar in the thickness direction.
- the cross section on the base end side of the balloon is flat, a curved portion and a flat portion can be formed on the peripheral wall portion on the base end side.
- a curved part and a flat part can also be made in the collar part.
- the buttock has such a shape, the pulling strength of the balloon becomes a problem. That is, a pulling force may act on the balloon during use of the probe.
- the inventor has a curved portion and a flat portion on the heel portion of the balloon, and when a pulling force is applied to the balloon, there is a large difference in pulling resistance between the curved portion and the flat portion of the heel portion. I found out.
- the flat part of the heel part has a significantly lower pull-out resistance than the curved part, and therefore the buttock part comes out starting from the flat part, which in turn reduces the pull-out resistance of the balloon. There was a problem of doing.
- the present invention has been made in view of such a point, and an object of the present invention is to stabilize the balloon at the time of measuring the pressure related to the oral cavity and to prevent the balloon from coming off from the hollow tube portion. It is to suppress.
- the cross-sectional shape of the connecting tube portion in the balloon is flattened so that it can be easily sandwiched between teeth and lips, and an engaging portion is provided on the buttocks formed on the connecting tube portion.
- the pulling resistance of the balloon is improved by fitting the engaging portion to the member constituting the empty tube portion.
- the 1st invention is equipped with the balloon which consists of an elastic material inserted in the oral cavity of the to-be-measured person who measures oral-related pressure, and the hollow tube part to which the said balloon is connected,
- the said hollow tube part In the oral cavity-related pressure measurement probe used by being connected to an oral cavity-related pressure measurement device having a pressure detection unit that detects a pressure change of the gas in the balloon, the balloon includes a pressure receiving part that receives a pressing force in the oral cavity;
- a connecting tube portion connected to the hollow tube portion, and the connecting tube portion of the balloon has a flat cross-sectional shape and has a flange portion protruding outward, and the flange of the balloon
- the portion has an engaging portion that protrudes toward one side in the thickness direction of the collar portion, and the hollow tube portion holds the balloon collar portion so as to sandwich the collar portion from one side and the other side in the thickness direction.
- One member and a second member, the first member includes The engaging portion of the balloon, characterized in that the fitting
- the probe can be easily and reliably held by the teeth and lips while the pressure receiving portion of the balloon is inserted into the oral cavity. This stabilizes the balloon when measuring oral pressure.
- the flange portion of the connecting tube portion of the balloon is sandwiched from both sides in the thickness direction by the first member and the second member constituting the hollow tube portion, whereby the balloon is integrated with the hollow member.
- the engaging part of the collar part of the balloon is fitted to the first member of the hollow tube part, the engaging part of the balloon is detached from the first member when a pulling force acts on the balloon. This makes it difficult for the buttocks of the balloon to escape from between the first member and the second member. Therefore, the drawing resistance of the balloon is improved.
- the second invention is characterized in that, in the first invention, the engaging portion of the balloon is continuously formed in a circumferential direction of the collar portion.
- This configuration makes it difficult for the balloon collar to escape from between the first member and the second member over the entire circumference, thereby further improving the balloon's pull-out resistance.
- the flange is formed at an end of the connection tube portion of the balloon, and the first member of the hollow tube portion is an end portion of the connection tube portion.
- the second member of the hollow tube portion has an inner cylinder portion inserted inward of an end portion of the connection tube portion, and an end of the connection tube portion. The part is elastically deformed by being pressed in the thickness direction by the outer cylinder part and the inner cylinder part.
- the end of the connecting tube portion of the balloon is pressed in the thickness direction by the outer tube portion of the first member of the hollow tube portion and the inner tube portion of the second member of the hollow tube portion. Since it is elastically deformed, the end portion of the connecting tube portion is firmly held. Since the hook part is formed at the end of the connecting cylinder part, the hook part becomes difficult to move when a pulling force is applied to the balloon. It becomes more difficult to leave.
- the second member is formed with a contact surface that contacts the end surface of the connection tube portion of the balloon, and the contact surface is formed by the connection tube of the balloon. It is characterized by extending in the radial direction of the part.
- the contact surface of the second member of the hollow tube portion contacts the end surface of the connection tube portion of the balloon. Since this contact surface extends in the radial direction, it is possible to securely hold the collar portion between the first member and the second member, and the engagement portion of the collar portion is further detached from the first member. It becomes difficult to do.
- the first member is formed with a stepped portion that expands in a radial direction of the connecting tube portion of the balloon, and the engagement of the balloon on the inner surface of the stepped portion. The parts are fitted.
- the first cover is formed on the first member so as to cover the connection tube portion of the balloon, and is made of a material harder than an elastic material constituting the balloon. Is provided.
- the probe since the cross-sectional shape of the connecting tube portion in the balloon is flattened, the probe can be easily sandwiched between teeth and lips, and the balloon at the time of measuring oral pressure can be stabilized. And since the engaging part was provided in the collar part formed in the connection cylinder part of a balloon, and the engaging part was made to fit in the 1st member which comprises a hollow tube part, the drawing-out resistance of a balloon is improved. be able to.
- the pullout resistance of the balloon can be further improved.
- the end of the connecting tube portion of the balloon is pressed and elastically deformed in the thickness direction by the outer tube portion of the first member of the hollow tube portion and the inner tube portion of the second member. Therefore, the end portion of the connecting tube portion can be firmly held, and this makes it difficult for the collar portion to move when a pulling force acts on the balloon. As a result, it is possible to make the engagement portion of the collar portion more difficult to separate from the first member.
- the contact surface of the second member of the hollow tube portion contacts the end surface of the connecting tube portion of the balloon, the contact surface extends in the radial direction.
- the part can be securely held between the first member and the second member.
- the engaging part of a collar part can be made still more difficult to detach
- the step member that expands in the radial direction of the connecting tube portion of the balloon is formed in the first member of the hollow tube portion, and the balloon is fitted to the inner surface of the step portion. Further, the drawing resistance of the balloon can be further improved.
- the connecting tube portion of the balloon can be covered with the hard cover portion, deformation of the connecting tube portion can be suppressed when sandwiched and held between teeth and lips.
- FIG. 5 is a sectional view taken along line VV in FIG. 3.
- FIG. 6 is a sectional view taken along line VI-VI in FIG. 1. It is the VII-VII sectional view taken on the line in FIG. It is a figure explaining the point of the pull-out test of a balloon. It is a graph which compares the drawing-out force of the balloon of this invention and the comparative examples 1 and 2.
- FIG. 5 is a sectional view taken along line VV in FIG. 3.
- FIG. 6 is a sectional view taken along line VI-VI in FIG. 1.
- VII-VII sectional view taken on the line in FIG.
- It is a figure explaining the point of the pull-out test of a balloon. It is a graph which compares the drawing-out force of the balloon of this invention and the comparative examples 1 and 2.
- FIG. 5 is a sectional view taken along line VV in FIG. 3.
- FIG. 6 is a sectional view taken along line VI-VI in FIG. 1. It is the VII-VI
- FIG. 1 is a plan view of a probe 1 for measuring an oral cavity related pressure according to an embodiment of the present invention.
- the probe 1 for measuring oral cavity related pressure is provided with a balloon 2 made of an elastic material inserted into the oral cavity of a person to be measured for oral cavity related pressure, and a hollow tube portion 3 to which the balloon 2 is connected.
- oral pressure include, but are not limited to, tongue pressure, sublingual muscle pressure, lip pressure, and cheek pressure, and can be used to measure various oral pressures. Tongue pressure is the force that presses the tongue against the palate, sublingual muscle pressure is the force that presses the tongue down, lip pressure is the force that closes the upper lip and lower lip, and cheek pressure is the pressure on the cheek. It is a force pushing inward.
- examples of the person to be measured include an elderly person and a disabled person, but may be a healthy person.
- the probe 1 for measuring oral pressure can also be used as a training tool for recovering oral function.
- the probe 1 for oral cavity related pressure measurement is used with the hollow tube portion 3 connected to the oral cavity related pressure measuring device 100 (shown in FIG. 2).
- the devices disclosed in Patent Documents 1 to 3 can be used as the oral pressure measurement device 100.
- the pressure detection unit 101, the display unit 102, the power supply unit 103, and these are accommodated.
- Casing 104 is provided.
- the pressure detection unit 101 is configured by a known pressure sensor or the like, and is configured to obtain air pressure.
- the display unit 102 can be configured by, for example, a liquid crystal display panel, an LED, and the like, and specifically displays the air pressure obtained by the pressure detection unit 101 as a numerical value, It is configured so that it can be displayed in multiple stages such as medium and low.
- the power supply unit 103 is a battery, for example, and supplies power to the pressure detection unit 101 and the display unit 102.
- the casing 104 includes a connecting pipe 105 to which the hollow pipe portion 3 of the oral cavity related pressure measurement probe 1 is connected.
- the connection pipe 105 communicates with the pressure detection unit 101.
- the balloon 2 includes a pressure receiving portion 20 that receives a pressing force in the oral cavity of the measurement subject, and a connecting tube portion 21 that is connected to the hollow tube portion 3.
- the pressure receiving part 20 and the connecting cylinder part 21 are integrally formed.
- the elastic material constituting the balloon 2 for example, a material having airtightness and watertightness such as rubber such as natural rubber, synthetic rubber, silicone rubber, or elastomer can be used.
- the pressure receiving unit 20 is a portion that is inserted into the oral cavity of the person to be measured, and is disposed at a site to be measured in the oral cavity.
- the shape of the pressure receiving portion 20 is a hollow shape having a cross section close to an ellipse as shown in FIGS. 1, 2, 5 and the like, and as a whole, the left-right direction of FIG. It has a long shape in the insertion direction. Since the pressure related to the oral cavity can be measured by pressing the pressure receiving portion 20 and elastically deforming it, it has a shape restoring property that restores the original shape when the external force is removed after pressing. . In addition, when the pressure receiving part 20 is pressed in a state where the connection cylinder part 21 is opened, the hardness of the elastic material is set to be low so that the pressure receiving part 20 can be elastically deformed with an extremely small force.
- the connecting cylinder portion 21 is formed so as to protrude outward from the end portion on one side in the longitudinal direction of the pressure receiving portion 20 (the proximal end side in the insertion direction to the oral cavity). ing.
- the protruding direction of the connecting cylinder part 21 is a direction along the longitudinal direction of the pressure receiving part 20.
- the inside of the connecting cylinder part 21 communicates with the inside of the pressure receiving part 20.
- the connecting cylinder portion 21 has a flat cross-sectional shape. Specifically, the cross section in the direction orthogonal to the longitudinal direction of the connecting tube portion 21 is long in the width direction of the oral cavity related pressure measurement probe 1 (vertical direction in FIGS. 1, 2, 6, 7, etc.).
- the connecting tube portion 21 includes a pair of flat wall portions 21a and 21a extending in the width direction, and curved wall portions 21b and 21b continuous to the flat wall portions 21a and 21a.
- the flat wall portions 21a and 21a extend in the width direction of the oral cavity related pressure measurement probe 1 and are substantially parallel to each other.
- the curved wall portions 21 b and 21 b are wall portions curved toward the outside of the connecting tube portion 21.
- a wall portion that is gently curved toward the outside of the connecting tube portion 21 may be used, and for example, an elliptical shape or the like may be used.
- a flange portion 23 is formed that protrudes radially outward of the connection tube portion 21 and extends continuously in the circumferential direction.
- the brim portion 23 is substantially similar to the cross-sectional shape of the connection tube portion 21 so as to correspond to the cross-sectional shape of the connection tube portion 21 being a flat shape.
- the thickness direction of the flange portion 23 is the longitudinal direction of the connecting tube portion 21. In this embodiment, one side in the thickness direction of the flange portion 23 is the left side in FIGS. Is defined as the right side in FIG.
- An engaging portion 23 a is formed on the collar portion 23 of the balloon 2. That is, the engaging portion 23a protrudes from the surface on one side in the thickness direction of the flange portion 23 toward the one side in the thickness direction, and forms a continuous ridge over the entire circumference in the circumferential direction of the flange portion 23. Is formed.
- the engaging portion 23a is located at the outermost peripheral portion of the flange portion 23, and a gap is provided between the engaging portion 23a and the outer peripheral surface of the connecting tube portion 21, and this gap is the engaging portion.
- a groove is formed between the joint portion 23 a and the outer peripheral surface of the connecting cylinder portion 21.
- the hollow tube portion 3 includes an outer cylinder member (first member) 30 and an inner cylinder member (second member) 40, and the outer cylinder member 30 and the inner cylinder member 40.
- the outer cylinder member 30 is made of a resin material harder than the elastic material constituting the balloon 2, and is an integrally molded product made of the resin material.
- Examples of the hard resin material constituting the outer cylinder member 30 include polypropylene and polyethylene.
- the inner cylinder member 40 is also made of a resin material harder than the elastic material constituting the balloon 2, and is an integrally molded product made of the resin material. Examples of the hard resin material constituting the inner cylinder member 40 include polycarbonate.
- the flange 31 is formed in the base end part of the outer cylinder member 30 when the insertion direction to an oral cavity is made into the reference
- An outer cylindrical portion 32 into which the connecting cylindrical portion 21 of the balloon 2 is inserted is formed at the distal end portion of the outer cylindrical member 30.
- the entire cross-sectional shape over both ends in the longitudinal direction is flat like the cross-sectional shape of the connection cylinder part 21 of the balloon 2.
- the outer cylinder part 32 has a proximal end side cylinder part 32a constituting the proximal end side thereof, and a distal end side cylinder part 32b constituting the distal end side.
- the proximal end side cylinder part 32a is formed to have a larger diameter than the distal end side cylinder part 32b. Therefore, the outer cylinder part 32 has a balloon at the boundary between the proximal end side cylinder part 32a and the distal end side cylinder part 32b.
- the step part 32c expanded in the radial direction of the 2 connection cylinder part 21 will be formed.
- the distal end side cylinder part 32 b is a hard cover part formed so as to cover the connection cylinder part 21 of the balloon 2, and the inner peripheral surface of the distal end side cylinder part 32 b is connected to the outer peripheral surface of the connection cylinder part 21 of the balloon 2. On the other hand, it is formed so as to be in close contact over the entire circumference.
- the distal end side cylinder part 32b has a predetermined rigidity or more so that it is not crushed when the person to be measured is pinched by teeth or lips during use, which will be described later.
- the distal end portion of the distal end side cylindrical portion 32 b is located in the vicinity of the end portion on the pressure receiving portion 20 side in the connection tubular portion 21 of the balloon 2, and most of the connection tubular portion 21 is the distal end side tube. It is covered by the part 32b.
- An annular convex portion 32d is formed at the distal end portion of the distal end side cylindrical portion 32b. The annular convex portion 32d protrudes radially outward from the outer peripheral surface of the distal end side cylindrical portion 32b and continuously extends in the circumferential direction of the distal end side cylindrical portion 32b.
- the annular protrusion 32d is formed so that the measurement subject's teeth and lips are caught when the oral cavity related pressure measurement probe 1 is used, and is a drop prevention convex part of the oral cavity related pressure measurement probe 1.
- the projecting height of the annular convex portion 32d is set low so that it does not get in the way when inserted into the oral cavity.
- the flange 23 in the connection cylinder part 21 of the balloon 2 is inserted into the proximal end side cylinder part 32a.
- the inner peripheral surface of the base end side cylinder part 32a is formed so that it may closely_contact
- a fitting recess 32 e into which the engaging portion 23 a of the balloon 2 is fitted is formed on the inner surface of the step portion 32 c of the outer cylindrical portion 32.
- the fitting recess 32 e extends in an annular shape over the entire circumference in the circumferential direction of the inner surface of the outer cylindrical portion 32.
- the proximal end of the inner cylinder member 40 is connected to the proximal end side of the cylindrical tube connected to the connection pipe 105 of the oral cavity related pressure measuring device 100.
- a portion 41 is provided.
- a protruding plate portion 42 that protrudes radially outward is provided on the distal end side of the proximal end side connecting portion 41 of the inner cylinder member 40.
- An inner cylinder portion 43 that is inserted inward of the connection cylinder portion 21 of the balloon 2 is formed at the distal end portion of the inner cylinder member 40. As shown in FIG.
- the length of the inner cylinder portion 43 is set to be shorter than the length of the distal end side cylinder portion 32 b of the outer cylinder portion 32, and the distal end portion of the inner cylinder portion 43 is the connecting cylinder of the balloon 2. It is located in the vicinity of the central portion in the longitudinal direction of the portion 21.
- the cross-sectional shape of the inner cylinder portion 43 is a flat shape similar to the cross-sectional shape of the connection cylinder portion 21 of the balloon 2.
- the outer diameter of the inner cylinder portion 43 is set to be larger than the inner diameter of the connection cylinder portion 21 of the balloon 2, so that the entire outer peripheral surface of the inner cylinder portion 43 is connected to the connection cylinder portion 21 of the balloon 2.
- the inner peripheral surface is pressed radially outward over the entire circumference. Accordingly, at least the end portion of the connecting tube portion 21 is pressed in the thickness direction by the outer tube portion 32 and the inner tube portion 43 and elastically deforms.
- an abutting surface 44 that abuts on the end surface of the connecting cylinder portion 21 of the balloon 2 is formed.
- the contact surface 44 is formed over the entire circumference of the inner cylinder member 40 and extends in the radial direction of the connection cylinder portion 21 of the balloon 2.
- the base end side of the abutting surface 44 of the inner cylinder member 40 is provided with a large diameter portion 45 having a diameter larger than that of the inner cylinder portion 43.
- the large diameter portion 45 is inserted into the proximal end side cylindrical portion 32a of the outer cylinder member 30 and fixed in a state of being in close contact with the inner peripheral surface of the proximal end side cylindrical portion 32a.
- the connecting tube portion 21 of the balloon 2 is inserted into the outer tube portion 32 of the outer tube member 30.
- the connecting tube portion 21 of the balloon 2 may be pushed into the outer tube portion 32 of the outer tube member 30 while being elastically deformed.
- the flange portion 23 of the balloon 2 is inserted into the proximal end side tubular portion 32 a of the outer tubular portion 32 of the outer tubular member 30, and the engaging portion 23 a of the balloon 2 is fitted into the fitting concave portion 32 e of the outer tubular member 30.
- the engaging portion 23a and the fitting recess 32e are engaged.
- the inner cylinder member 40 is inserted into the outer cylinder member 30, the large diameter portion 45 of the inner cylinder member 40 is inserted into the proximal end side cylinder portion 32 a of the outer cylinder member 30, and the inner cylinder portion 43 is inserted into the balloon 2.
- the connecting tube portion 21 is elastically deformed by being pressed in the thickness direction by the outer tube portion 32 and the inner tube portion 43, compared with other portions. Thinner and sufficient sealability can be obtained.
- the contact surface 44 of the inner tube member 40 contacts the end surface of the connection tube portion 21 of the balloon 2. Accordingly, the collar portion 23 of the balloon 2 is held in a state of being sandwiched by the outer cylinder member 30 and the inner cylinder member 40 from one side and the other side in the thickness direction.
- connection cylinder part 21 of the probe 1 for oral cavity related pressure measurement ie, the front end side cylinder part 32b
- the cross-sectional shape of the connecting tube portion 21 of the probe 1 and the cross-sectional shape of the tip-side tube portion 32b are flat, and the top and bottom surfaces of the tip-side tube portion 32b are substantially flat. It is possible to stabilize the balloon 2 when measuring the oral pressure.
- a tensile tester 200 and a support jig 201 are prepared.
- a conventionally known tensile tester 200 can be used.
- the tensile tester 200 has at least a load cell 202 and a chuck 203, and the load cell 202 can obtain a tensile load in real time.
- the maximum tensile load can be stored.
- the chuck 203 is configured to be able to grip the balloon 2.
- the support jig 201 is configured so that the hollow tube portion 3 of the oral cavity related pressure measurement probe 1 can be fixed in a vertically extending posture.
- the chuck 203 is moved upward as indicated by the white arrow, and a tensile load is applied to the balloon 2 in the pulling direction.
- the maximum tensile load immediately before exiting from the part 3 is obtained.
- FIG. 9 is a graph showing the maximum tensile load of the present invention and Comparative Examples 1 and 2.
- the present invention is an oral pressure measuring probe 1 configured as in the above embodiment.
- the comparative example 1 is a case where the connecting tube portion of the balloon has a circular cross section and has a structure in which the engaging portion 23a and the fitting concave portion 32e are omitted from the configuration of the above embodiment. This is a case in which the engaging portion 23a and the fitting recess 32e are omitted from the configuration of the embodiment.
- the tensile load is significantly improved in the present invention compared to Comparative Examples 1 and 2. That is, the pullout resistance of the balloon 2 is improved.
- the engagement portion 23 a is provided in the collar portion 23 formed in the connection tube portion 21 of the balloon 2, and the engagement portion 23 a is fitted in the fitting recess 32 e of the outer tube member 30 constituting the hollow tube portion 3. Therefore, the pullout resistance of the balloon 3 can be improved.
- the engaging portion 23a of the balloon 2 is continuously formed in the circumferential direction of the flange portion 23, the pullout resistance of the balloon 2 can be further improved.
- the end portion of the connecting tube portion 21 of the balloon 2 is pressed and elastically deformed by the outer tube portion 32 and the inner tube portion 43 in the thickness direction, the end portion of the connecting tube portion 21 is firmly held. Can do.
- the collar part 23 becomes difficult to move when the drawing force is applied to the balloon 2, the engagement part 23a of the collar part 23 can be made more difficult to separate from the fitting recess 32e.
- the contact surface 44 of the inner tube member 40 of the hollow tube portion 3 contacts the end surface of the connection tube portion 21 of the balloon 2, the contact surface 44 extends in the radial direction.
- the portion 23 can be securely held between the outer cylinder member 30 and the inner cylinder member 40. Thereby, the engaging part 23a of the collar part 23 can be made still more difficult to detach
- the oral pressure measuring probe according to the present invention can be used for measuring oral pressure such as tongue pressure, sublingual muscle pressure, lip pressure, and cheek pressure.
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Abstract
Description
図4、図5及び図7に示すように、バルーン2は、被測定者の口腔内で押圧力を受ける受圧部20と、中空管部3に接続される接続筒部21とを備えており、受圧部20及び接続筒部21とは一体成形されている。バルーン2を構成する弾性材としては、例えば、天然ゴム、合成ゴム、シリコーンゴム等のゴムやエラストマー等の気密性及び水密性を有する材料を使用することができる。
図4に示すように、中空管部3は、外筒部材(第1部材)30と、内筒部材(第2部材)40とを有しており、外筒部材30と内筒部材40とでバルーン2の鍔部23を該鍔部23の厚み方向一側及び他側から挟むようにして保持するように構成されている。外筒部材30は、バルーン2を構成する弾性材よりも硬質な樹脂材料からなるものであり、該樹脂材料による一体成形品である。外筒部材30を構成する硬質樹脂材料としては、例えばポリプロピレン、ポリエチレン等を挙げることができる。また、内筒部材40もバルーン2を構成する弾性材よりも硬質な樹脂材料からなるものであり、該樹脂材料による一体成形品である。内筒部材40を構成する硬質樹脂材料としては、例えばポリカーボネート等を挙げることができる。
上記のように構成された口腔関連圧力測定用プローブ1を組み立てる際には、まず、バルーン2の接続筒部21を、外筒部材30の外側筒部32に挿入する。このとき、バルーン2の接続筒部21を弾性変形させながら外筒部材30の外側筒部32に押し込むようにすればよい。そして、バルーン2の鍔部23を外筒部材30の外側筒部32の基端側筒部32aに挿入し、バルーン2の係合部23aを外筒部材30の嵌合凹部32eに嵌合させて係合部23aと嵌合凹部32eとを係合させる。
以上のようにして得られた口腔関連圧力測定用プローブ1を使用する際には、口腔関連圧力測定用プローブ1を口腔関連圧力測定装置100に接続した後、口腔関連圧力測定用プローブ1のバルーン2を被測定者の口腔内に挿入する。このとき、口腔関連圧力測定用プローブ1の幅方向が測定者の左右方向と一致するように、口腔関連圧力測定用プローブ1の姿勢を設定しておく。被測定者の歯や唇がバルーン2の接続筒部21と対応する位置となるまで受圧部20を挿入する。そして、被測定者の歯や唇で口腔関連圧力測定用プローブ1の接続筒部21に対応する部位、即ち、先端側筒部32bを上下方向に挟むようにして保持する。このとき、プローブ1の接続筒部21の断面形状及び先端側筒部32bの断面形状が扁平形状で、先端側筒部32bの上面及び下面が略平坦であることから、歯や唇で挟み易くすることができ、口腔関連圧力測定時のバルーン2を安定させることができる。
2 バルーン
3 中空管部
20 受圧部
21 接続筒部
23 鍔部
23e 係合部
30 外筒部材(第1部材)
32 外側筒部
32b 先端側筒部(硬質カバー部)
32c 段部
40 内筒部材(第2部材)
43 内側筒部
44 当接面
Claims (6)
- 口腔関連圧力を測定する被測定者の口腔内に挿入される弾性材からなるバルーンと、
上記バルーンが接続される中空管部とを備え、
上記中空管部が、上記バルーン内の気体の圧力変化を検知する圧力検知部を有する口腔関連圧力測定装置に接続されて使用される口腔関連圧力測定用プローブにおいて、
上記バルーンは、口腔内で押圧力を受ける受圧部と、上記中空管部に接続される接続筒部とを備え、
上記バルーンの上記接続筒部は、扁平な断面形状を有するとともに、外方へ突出する鍔部を有し、
上記バルーンの上記鍔部は、該鍔部の厚み方向一側へ向けて突出する係合部を有し、
上記中空管部は、上記バルーンの鍔部を厚み方向一側及び他側から挟むように保持する第1部材及び第2部材を有し、
上記第1部材には、上記バルーンの上記係合部が嵌合することを特徴とする口腔関連圧力測定用プローブ。 - 請求項1に記載の口腔関連圧力測定用プローブにおいて、
上記バルーンの上記係合部は、上記鍔部の周方向に連続して形成されていることを特徴とする口腔関連圧力測定用プローブ。 - 請求項1に記載の口腔関連圧力測定用プローブにおいて、
上記鍔部は、上記バルーンの上記接続筒部の端部に形成され、
上記中空管部の上記第1部材は、上記接続筒部の端部が挿入される外側筒部を有し、
上記中空管部の上記第2部材は、上記接続筒部の端部の内方へ挿入される内側筒部を有し、
上記接続筒部の端部は、上記外側筒部及び上記内側筒部により厚み方向に押圧されて弾性変形していることを特徴とする口腔関連圧力測定用プローブ。 - 請求項1に記載の口腔関連圧力測定用プローブにおいて、
上記第2部材には、上記バルーンの上記接続筒部の端面に当接する当接面が形成され、
上記当接面は、上記バルーンの上記接続筒部の径方向に延びていることを特徴とする口腔関連圧力測定用プローブ。 - 請求項1に記載の口腔関連圧力測定用プローブにおいて、
上記第1部材には、上記バルーンの上記接続筒部の径方向に拡大する段部が形成され、該段部の内面に上記バルーンの上記係合部が嵌合することを特徴とする口腔関連圧力測定用プローブ。 - 請求項1に記載の口腔関連圧力測定用プローブにおいて、
上記第1部材には、上記バルーンの上記接続筒部を覆うように形成され、上記バルーンを構成する弾性材よりも硬質な材料からなる硬質カバー部が設けられていることを特徴とする口腔関連圧力測定用プローブ。
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AU2003252399A1 (en) * | 2002-08-13 | 2004-03-03 | Satoru Hashimoto | Fluid control device |
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JP5674011B2 (ja) * | 2010-10-04 | 2015-02-18 | 株式会社ジェイ・エム・エス | 口腔関連圧力測定装置及び圧力測定プローブ |
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US5452727A (en) * | 1994-01-21 | 1995-09-26 | Tura; Ronald E. | Orofacial myographic measurement apparatus |
JP2007090054A (ja) * | 2005-08-31 | 2007-04-12 | Jms Co Ltd | 口腔関連圧力測定用プローブおよびこれを用いた口腔関連圧力測定装置 |
JP2008237366A (ja) * | 2007-03-26 | 2008-10-09 | Jms Co Ltd | 口腔関連圧力測定用バルーンおよびその製造方法 |
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