JP5134038B2 - Sample collection device for aspiration and testing of otorrhea, nasal discharge and other secretions - Google Patents

Description

  The present invention relates to a sample collection device for aspiration and test of otorrhea, nasal discharge and other secretions.

  For example, as a suction device for sucking nasal discharge, as shown in Patent Document 1 below, a doctor holds a rod-shaped tube provided with an air inflow hole with the right hand, and presses the air inflow hole with the index fingertip while holding the rod-shaped tube. Attach the tip with a through hole attached to the front opening of the patient to the patient's nostril so that the outside air flows through the air inflow hole when the fingertip is released. There has been proposed one that relieves the suction force against the nostril without acting on.

Microfilm of Japanese Utility Model No. 61-101893 (Act No. 63-8042)

  However, the thing of the said patent document 1 is that a front-end | tip part is larger diameter than a rod-shaped tube, and when collecting a nasal discharge which applies a front-end | tip part to a nostril, the front-end | tip part disturbs a doctor's eyes and the inside of a nostril is Not only has the problem of being difficult to see, but also holds the rod-shaped tube at the four points between the index finger, thumb, middle finger, and thumb and index finger while holding the air inflow hole with the tip of the index finger. May be forced to perform a correct collection operation.

  The present invention has been made in consideration of the above-described matters, and the purpose thereof is otorrhea and nasal discharge that can reduce the burden on the doctor during the collection operation when collecting secretions such as otorrhea, nasal discharge and sputum. To provide a sample collection device for aspiration and testing of other secretions.

In order to achieve the above-mentioned object, the sample collection device for aspiration and inspection of otorrhea, nasal discharge and other secretions of the present invention is used for otorrhea, nasal discharge and other secretions for examining secretions such as otorrhea, nasal discharge and sputum. A sample collection device for aspiration and inspection,
A hollow instrument body having a front opening, a rear opening that is an intake port, an air inflow hole, and a specimen container connection port;
A nozzle communicating with the front opening;
A suction tube inserted into the interior of the sample container, the front end of which can be inserted into the ear canal, nostril and throat, the intermediate part is inserted into the instrument body, and the rear end is connected to the sample container connection port. Prepared,
Otorrhea in the intake port the specimen container by suction with a suction pump from nasal, configured to collect secretions sputum or the like, separately from the rear opening is the air inlet, the lower side of the instrument body The auxiliary intake port is provided at the lower end of the cylindrical portion provided with a predetermined inclination angle, and the lid of the specimen container is configured to be used as either the rear opening or the auxiliary intake port that is the intake port. is characterized in that there (claim 1).

Moreover, in this invention, it is preferable that an instrument main body consists of the welded split part, and has a substantially ball-point pen-shaped appearance (Claim 2),
The sample container is a bottomed cylindrical body having an upper opening, and is detachable from the sample container connection port located at the lower end of the cylindrical portion provided at a lower side of the instrument body with a predetermined inclination angle. (Claim 3),
Further, the front end of the suction tube is straight, and when the straight front end is kept horizontal, the curve angle of the nozzle and the cylinder so that the sample container connected to the sample container connection port faces in the vertical direction. It is preferable that the inclination angle of the shape portion is set (Claim 4) .
Also, preventing the rear opening or the auxiliary air inlet is the inlet port, that the threaded portion of the screw portion or auxiliary inlet of the rear opening when the pipe for connecting a hose communicating with the suction pump is attached is damaged It is preferable that a reinforcing ring for preventing cracking is provided (claim 5 ),
Furthermore, the air inflow hole is formed on the upper side of the instrument main body and in a substantially dharma-shaped hole in plan view, and a recess is formed around the air inflow hole in the instrument main body. A recess is formed so that a human finger comes into contact with the base of the cylindrical part having the sample container connection port, and the cylindrical part and the It is preferable that the cylindrical portion is arranged at the front and back (Claim 6 ),
Further, at least the nozzle, that the instrument body and said sample container is formed of a transparent synthetic resin preferably (claim 7).

  In the invention according to claim 1 of the present application, when collecting secretions such as otorrhea, nasal discharge, sputum, etc., the intermediate part is inserted into the instrument body through a nozzle connected to the front opening of the instrument body. A suction tube is used whose front end is inserted into the ear canal, nostril, and throat. That is, the front end of the suction tube protrudes from the nozzle, and the front end of the suction tube does not interfere with the eyes of the doctor, so that it can be easily seen in the ear canal, in the nostril, and in the throat. The burden on the doctor can be reduced.

  For example, when the instrument body has a substantially ball-point pen-like appearance (Claim 2) and the front end of the suction tube is linear (Claim 4), the suction is thinner than the instrument body through the nozzle. Since the front end portion of the tube is located on the front opening side of the instrument main body, it is possible to easily see the inside of the ear canal, the nostril, and the throat.

  In the invention according to claim 1 of the present application, the device body is held at four positions between the index finger, the thumb, the middle finger, and the thumb and the index finger while pressing the air inlet hole with the fingertip of the doctor's index finger. Since the sample container connection port is provided in the instrument main body and the sample container connected to the sample container connection port is provided, at least the ring finger that was not involved in holding the instrument main body in the conventional example can be applied to the sample container. Compared to an instrument main body (for example, a rod-shaped tube of a conventional example) in which a sample container is not mounted, a stable holding state can be obtained, and the burden on the doctor during the collection operation can be further reduced. That is, the invention according to claim 1 of the present application includes a configuration in which the instrument main body is held between the thumb and the middle finger, and between the thumb and the index finger while holding the air inflow hole with the tip of the doctor's index finger, and at least the ring finger and the palm. The sample container can be sandwiched between the four fingers, the palm, the thumb, and the index finger. The instrument body can be securely held in place without being slightly shaken inside. This effect is that the sample container is a bottomed cylindrical body having an upper opening, and the sample container connection port located at the lower end of the cylindrical portion provided with a predetermined inclination angle below the instrument body. A case in which a recess is formed so that a human finger comes into contact with the base of a cylindrical part having a sample container connection port during use (Claim 7). Is particularly effective. In this case, the middle finger is placed on the base, and the fit property between the middle finger and the tubular portion can be improved, and as a result, the retainability of the instrument body can be improved. In the present invention, the size and shape of the sample container can be appropriately set so that the little finger can be entangled. In this case, the sample container can be sandwiched between the little finger, the ring finger, and the palm of the right hand.

  In the present invention, as shown in FIGS. 1 and 2, the rear end portion 13 of the aspiration tube 8 is inserted into the sample container 14 through the upper opening 14 a without closing the upper opening 14 a. For example, in the case where the front end 10 of the suction tube 8 is inserted into the middle ear of the patient and the ear leakage is collected in the sample container 14, an amount S (see FIG. 3) necessary for the examination is taken. It is necessary to collect otorrhea in the specimen container 14. Therefore, the invention according to claim 4 of the present application is effective for storing as much amount S as possible. That is, in the invention according to claim 4 of the present application, as shown in FIG. 3, as long as the front end portion 10 of the suction tube 8 is kept horizontal, the sample container connection port 5 is inserted. The sample container 14 connected to is directed vertically. On the other hand, since the instrument body 6 is kept horizontal, the maximum amount S ′ that can be accumulated without spilling ear leakage in the state of FIG. 1 in which the specimen container 14 is inclined from the vertical direction (shown by a dotted line in FIG. 1) ) Is smaller than the required amount S shown in FIG. 3 (S ′ <S). That is, in the invention according to claim 4 of the present application, when the front end portion of the suction tube is linear and the straight front end portion is kept horizontal, the sample container connected to the sample container connection port is vertically oriented. Since the nozzle bending angle and the cylindrical part inclination angle are set so as to face, secretions such as otorrhea, nasal discharge and sputum accumulated in the sample container can be made difficult to spill into the instrument body outside the sample container. it can.

It is composition explanatory drawing which shows the aspiration of otorrhea, nasal discharge, other secretions, and the sample collection device for a test | inspection which concern on one Embodiment of this invention. It is structure explanatory drawing which shows the structural member of the said embodiment. It is a figure which shows the use condition of the said embodiment. (A) is a top view which shows the state before the suction tube attachment in the said embodiment. (B) is a figure which shows the structure for positioning the split part of the instrument main body in the said embodiment.

  Embodiments of the present invention will be described below. 1 to 4 show an embodiment of the present invention in which a nozzle is connected to an instrument body, for example, by welding. FIG. 1 shows a state in which a suction tube is provided on one side of the instrument body that is divided into two parts, FIG. 2 shows various constituent members excluding the suction tube, and FIG. It shows the state of collecting otorrhea to administer antibiotics according to the above. FIG. 4A shows the above embodiment viewed from above. FIG. 4B shows a configuration for positioning the halved portion of the instrument body viewed from the front side of the instrument body. 1 to 4, a sample collecting device 1 for sucking and testing otorrhea, nasal discharge, and other secretions has a front opening 2, a rear opening 3 that is an intake port, an air inflow hole 4, and a specimen container connection port 5. A hollow instrument body 6, a nozzle 7 communicating with the front opening 2, and a front end part 10 can be inserted into the ear hole 11, and an intermediate part 12 is inserted into the instrument body 6, and a rear end The part 13 mainly includes a suction tube 8 inserted into the specimen container 14 connected to the specimen container connection port 5, and sucks the suction container 3 through a suction pump (not shown) and sucks the specimen container. 14 is configured to collect otorrhea. The front opening 2 is formed by an annular inward flange L. The air intake state can be changed by adjusting the opening of the air inflow hole 4 with the index finger f. Furthermore, the instrument body 6 is composed of welded split parts 6a and 6b, and has a substantially ball-point pen-shaped appearance. D in the enlarged portion indicated by an arrow K in FIG. 1 indicates a welded portion of the split portions 6a and 6b. The sample container 14 is a bottomed cylindrical body having an upper opening 14 a formed by the male screw portion F, and the lower end of the cylindrical portion 15 provided at a lower side of the instrument body 6 with a predetermined inclination angle θ. It is detachably attached to the sample container connection port 5 located in the position. In this embodiment, the specimen container connection port 5 is formed by a female thread part that is screwed into the male thread part F, and the upper surface u of the outward flange 14b formed immediately below the male thread part F of the specimen container 14 is the specimen container. The sample container 14 is screwed to the sample container connection port 5 while being in contact with the lower surface 5 of the connection port 5. Further, the front end portion 10 of the suction tube 8 is linear, and as shown in FIG. 3, when the linear front end portion 10 is kept horizontal, the sample container 14 connected to the sample container connection port 5 The bending angle α of the nozzle 7 and the inclination angle β of the cylindrical portion 15 are set so that the center line Q is directed in the vertical direction. In FIG. 3, the direction indicated by the double arrow X is the horizontal direction, and the direction indicated by the double arrow Z is the vertical direction perpendicular to the X direction. Since the front end portion 10 of the suction tube 8 thinner than the instrument body 6 is projected from the nozzle 7 and the curve angle α of the nozzle 7 is set to a desired angle, the front end portion 10 of the suction tube 8 is By simply positioning the patient so as to be kept horizontal, the front end portion 10 of the suction tube 8 does not obstruct the eyes of the doctor 100 and can easily see the inside of the ear hole 11, and the burden on the doctor 100 during the collecting operation can be realized. Can be reduced.

  The front end portion 10 of the suction tube 8 is linearly formed in a state of protruding outward from a tube insertion hole H formed in the nozzle 7, while the nozzle 7 is positioned on the axis P of the instrument body 6. It is attached to the front opening 2 of the instrument body 6 by welding via a step G provided on the back side of the nozzle body 7a. The step portion G includes a fitting groove t into which an annular inward flange L is fitted, and an annular outward flange L ′ sandwiching the inward flange L between the back surface e of the nozzle body 7a. Thus, the inward flange L of the instrument body 6 is fitted into the fitting groove t formed in the step portion G provided on the back side of the nozzle body 7a, and the front opening 2 and the step portion G are welded. Since the nozzle 7 is fixed to the front opening 2 of the instrument body 6 in a sealable manner, air leakage from the fixed portion can be prevented. As another method of communicating the nozzle 7 with the front opening 2, the nozzle 7 and the instrument body 6 may be formed integrally. Further, the nozzle 7 has a nozzle tip portion 7b extending from the nozzle body 7a downward and outwardly with a predetermined curve angle α, and the nozzle body 7a and the nozzle tip portion 7b are both at least The outer peripheral surfaces M and N are formed in a taper and are formed with a small diameter toward the tip, and the tube insertion hole H is formed in the nozzle tip portion 7b and a small diameter hole portion a into which the suction tube 8 can be inserted. The hole portion b is formed to have a larger diameter than the hole portion a and is tapered, and the hole portion b is formed to have a larger diameter toward the front opening 2 side.

  As shown in FIG. 2, the inclination angle θ is an angle (acute angle) formed by the axis P of the instrument body 6 and the center line Q of the sample container 14. The bending angle α is an angle (acute angle) between the axis P of the instrument body 6 and the center line R of the nozzle tip portion 7b. The bending angle α is preferably 25 to 35 °, and more preferably 30 °. In addition, the inclination angle β of the cylindrical portion 15 is an angle (acute angle) formed by the axis P of the instrument body 6 and the center line T of the cylindrical portion 15. In this embodiment, the inclination angle β is screwed to the sample container connection port 5. The center line Q of the sample container 14 and the center line T coincide with each other, and the inclination angle β is equal to the inclination angle θ.

  In addition, the instrument body 6 is provided at the lower end of the cylindrical portion 20 provided at the lower side of the instrument body 6 with the same inclination angle β as the inclination angle β of the cylindrical portion 15 separately from the rear opening 3 that is an air inlet. An auxiliary inlet 21 is provided. Therefore, the intake port can be changed according to the position of the suction pump and other various situations. As shown in FIG. 2, the lid 22 of the sample container 14 is configured so as to be able to be used as a lid for either the rear opening 3 serving as the intake port or the auxiliary intake port 21. In this embodiment, the outer peripheral surface of the rear opening 3 that is an air inlet and the outer peripheral surface of the auxiliary air inlet 21 are formed as male screws, while the lid 22 has female screws that are screwed into these male screws. Furthermore, an internal thread is formed on the inner peripheral surface of the rear opening 3 that is an intake port and the inner peripheral surface of the auxiliary intake port 21. Further, when the pipe 25 for connecting the hose h communicating with the suction pump is attached to the rear opening 3 or the auxiliary inlet 21 which is the intake port, the rear opening 3 or male screw / A cracking reinforcing ring 26 is provided to prevent the auxiliary air inlet 21 formed by the female screw portion from being damaged. In this embodiment, as shown in FIG. 1, a hose h is connected to a rear opening 3 that is an intake port via a pipe 25. FIG. 4 shows a state where the reinforcing ring 26 for preventing cracking is not provided.

  The pipe 25 has an outward flange 25a, and a male screw portion 25b and a hose h mounting pipe portion 25c that can be screwed into the female screw of the rear opening 3 before and after the flange 25a. The outward flange 25a has the same outer diameter as the end surface 3a of the rear opening 3, and abuts on the end surface 3a. In addition, it is preferable to use the male thread portion 25b with an O-ring because air leakage can be reliably prevented. In addition, it is preferable to provide an O-ring on the male thread portion F of the specimen container 14, and it is also preferable to provide an O-ring on the female thread portion of the lid 22. The hose h mounting pipe portion 25c is formed in multiple stages so that the hose mounting pipe portions A and B having different diameters become smaller toward the outer side so as to be able to correspond to the hoses h having different inner diameters or outer diameters. ing. In this embodiment, a hose h is fitted on the outer peripheral surface of the hose mounting pipe portion A, and a hose having an inner diameter smaller than the hose h is fitted in a hose mounting pipe portion B having a smaller diameter than the hose mounting pipe portion A. A hose that can be fitted into the pipe hole J of the pipe 25 can also be applied. In this case, a metal fitting is attached to the tip of the hose to be fitted, and is fitted into the pipe hole J with this metal fitting attached. Thus, the hose h mounting pipe portion 25c is configured so that it can be used properly according to the thickness of the hose h.

  Further, the air inflow hole 4 is formed on the upper side of the instrument body 6 and, as shown in FIG. When the instrument main body 6 is viewed from the front side (when viewed from the direction indicated by the arrow E), the air inflow hole 4 is composed of a front head portion 4a and a body portion 4b provided continuously therewith. Further, a recess 30 is formed around the air inflow hole 4 in the instrument body 6. Therefore, the fit between the index finger f and the instrument main body 6 can be improved, and as a result, the opening adjustment operation of the air inflow hole 4 with the index finger f can be easily performed. On the other hand, a recess 31 is formed in the base 15a of the cylindrical portion 15 having the sample container connection port 5 so that the middle finger m abuts in use. In addition, the cylindrical portion 15 and the cylindrical portion 20 are disposed at the front and rear with an appropriate interval so that the palm abuts on the cylindrical portion 20 having the auxiliary intake port 21. Therefore, it is easy for a doctor to hold the instrument body 6 as if holding a ballpoint pen. At this time, the cylindrical portion 20 comes into contact with the palm. In this embodiment, the nozzle 7, the instrument body 6, the sample container 14 and the pipe 25 are made of a transparent synthetic resin. These may be colored and transparent, or may be colorless and transparent. Therefore, an internal state can be grasped visually. The lid 22 is also formed from a transparent synthetic resin.

  Further, of the split parts 6a and 6b of the instrument main body 6, the left part 6a in the E direction is used for clamping with the intermediate part 12 being sandwiched and guided at a position corresponding to the intermediate part 12 of the suction tube 8 on the inner surface. The two pin-like protrusions 40 and 41 are formed vertically, and the pin-like protrusion 40 is located at a position corresponding to the position between the two pin-like protrusions 40 and 41 on the inner surface of the right portion 6b in the E direction. , 41 is formed with a single pin-like protrusion 42 for preventing the suction tube from coming off. In this embodiment, in order to make sure that the guide of the intermediate portion 12 of the suction tube 8 and the removal of the intermediate portion 12 in the instrument main body 6 are more reliably prevented, the left portion 6 a is located downstream of the pin-like protrusions 40 and 41. A pair of pin-like protrusions 43 and 44 having the same function as the pin-like protrusions 40 and 41 are provided. In this case, the pin-shaped protrusions 43 and 44 are formed on the inner surface of the left portion 6a in the E direction at a position directly above the recess 31 formed in the base 15a of the cylindrical portion 15. Further, the left portion 6 a has a pair of pin-like protrusions 43 a and 44 a in the cylindrical portion 15 that have the same function as the pin-like protrusions 40 and 41 on the downstream side of the pin-like protrusions 43 and 44. ing. In this case, the pin-shaped protrusions 43a and 44a are formed on the inner surface on the left side of the cylindrical portion 15 in the E direction. In the enlarged portion indicated by an arrow K in FIG. 1, the intermediate portion 12 of the suction tube 8 is fitted and inserted along the direction of the axis P of the instrument body 6 between the two pin-like projections 40 and 41 positioned above and below. At the same time, the tip of the pin-like protrusion 42 is fitted between the pin-like protrusions 40 and 41 and is sandwiched between the pin-like protrusions 40 and 41 in order to prevent the intermediate portion 12 from coming off between the pin-like protrusions 40 and 41. The state where the tip of the pin-like protrusion 42 is in contact with the intermediate portion 12 of the suction tube 8 is shown. Further, it is possible to prevent the intermediate portion 12 sandwiched between the pin-shaped protrusions 43 and 44 from coming off at a position corresponding to the position between the two pin-shaped protrusions 43 and 44 on the inner surface of the right portion 6b in the E direction. One pin-like projection (not shown) for preventing the suction tube from coming off is formed. Furthermore, one pin-shaped protrusion (not shown) for preventing the suction tube from coming off, which prevents the intermediate portion 12 sandwiched between the pin-shaped protrusions 43a and 44a from coming off, is provided on the left side of the cylindrical portion 15 in the E direction. It is formed on the inner surface.

  In addition, one pin-like protrusion 52 having an inner engagement hole 51 on the inner side in the direction along the axis P of the instrument body 6 on the inner surface of the left part 6a of the split part 6a, 6b of the instrument body is formed. On the inner surface of the right portion 6b corresponding to the pin-shaped protrusion 52, a single pin-shaped protrusion 53 is formed which engages with the inner engagement hole 51 and positions the split portions 6a and 6b. . These pin-shaped protrusions 52 and 53 are located immediately above the cylindrical portion 15. And pin-like protrusions 52 and 53 having the same function as the pin-like protrusions 52 and 53 are provided between the cylindrical portion 20 and the rear opening 3 in order to more reliably position the split parts 6a and 6b.

  After the collection, the specimen container 14 in which the ear leakage has been collected is covered with a lid 22, subjected to the inspection, and thereafter the specimen container 14 and the lid 22 are discarded. In addition, the nozzle 7, the instrument body 6, the pipe 25, and the lid 22 are also disposed of once.

  The lid 22 may be a male screw. In this case, the sample container 14 has a female screw on the inner peripheral surface of the male screw portion F. The present invention is not limited to otorrhea, but can also be applied to devices that suck in secretions such as nasal discharge and sputum by inserting a suction tube into the nostril or throat.

1 Sample collection device for aspiration and testing of otorrhea, nasal discharge and other secretions 2 Front opening 3 Rear opening (intake port)
4 Air Inflow Hole 5 Specimen Container Connection Port 6 Hollow Instrument Body 7 Nozzle 8 Suction Tube 10 Front End 11 Ear Hole 12 Middle Part 13 Rear End Part 14 Sample Container

Claims (7)

A sample collection device for aspiration and inspection of otorrhea, nasal discharge and other secretions for examining secretions such as otorrhea, nasal discharge, sputum, etc.
A hollow instrument body having a front opening, a rear opening that is an intake port, an air inflow hole, and a specimen container connection port;
A nozzle communicating with the front opening;
A suction tube inserted into the interior of the sample container, the front end of which can be inserted into the ear canal, nostril and throat, the intermediate part is inserted into the instrument body, and the rear end is connected to the sample container connection port. Prepared,
It is configured to collect a secretion such as ear leakage, nasal discharge, sputum, etc. in the sample container by inhaling with a suction pump from the intake port. The auxiliary intake port is provided at the lower end of the cylindrical portion provided with a predetermined inclination angle, and the lid of the specimen container is configured to be used as either the rear opening or the auxiliary intake port that is the intake port. A sample collection device for aspiration and inspection of otorrhea, nasal discharge and other secretions characterized by   2. The sample collection device for aspiration and testing of otorrhea, nasal discharge and other secretions according to claim 1, wherein the device main body is composed of a welded split part and has a substantially ball-point pen-shaped appearance.   The specimen container is a bottomed cylindrical body having an upper opening, and is detachably attached to the specimen container connection port located at the lower end of the cylindrical part provided at a lower side of the instrument body with a predetermined inclination angle. The sample collection device for aspiration and test of otorrhea, nasal discharge and other secretions according to claim 1 or 2.   When the front end portion of the suction tube is linear, and the linear front end portion is kept horizontal, the curve angle of the nozzle and the cylindrical portion so that the sample container connected to the sample container connection port faces in the vertical direction. The sample collection device for aspiration and inspection of otorrhea, nasal discharge and other secretions according to any one of claims 1 to 3, wherein an inclination angle is set. To prevent damage to the screw part of the rear opening or the screw part of the auxiliary inlet when a pipe for connecting a hose communicating with the suction pump is attached to the rear opening or auxiliary inlet that is the inlet The sample collection device for suction and inspection of otorrhea, nasal discharge, and other secretions according to any one of claims 1 to 4 , further comprising a reinforcing ring for crack prevention. The air inflow hole is formed on the upper side of the instrument main body and in a substantially dharma-shaped hole in plan view, and a recess is formed around the air inflow hole in the instrument main body,
The cylindrical shape is formed such that a recess is formed so that a human finger comes into contact with the base of the cylindrical portion having the sample container connection port during use, and the palm is in contact with the cylindrical portion having the auxiliary intake port. The sample collection device for aspiration and inspection of otorrhea, nasal discharge, and other secretions according to any one of claims 1 to 5 , wherein the portion and the tube portion are arranged in the front-rear direction. 7. The sample collection device for aspiration, nasal discharge, and other secretions collection according to any one of claims 1 to 6 , wherein at least the nozzle, the device body, and the specimen container are formed of a transparent synthetic resin.

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