CN203749375U - Medical examination device for hole - Google Patents

Abstract

The utility model discloses a medical examination device for a hole. The device comprises a light source (18), a connector (24), a dilator (12), a dilator actuator (20) and an internal structure (34), wherein the light source (18) is used for illuminating the hole; the connector (24) is used for detachably mounting the dilator (12) for inserting and dilating the hole; the dilator actuator (20) is used for operating the mounted dilator (12); the mounted dilator (16) comprises components which can be operated separately; the internal structure is used for stabilizing the actuator during use; the actuator (12) can be L-shaped on a cross section.

Description

The device that is used for the medical inspection in hole

Technical field

This utility model relates to a kind of device that is conducive to the medical inspection in hole, relates in particular to a kind of for checking patient's nostril and/or the device of ear.

Background technology

At present, otorhinolaryngology expert checks patient's nose, with hand hold speculum, expands each nostril.When checking nostril, frontal mirror imports light in the nostril from external light source to patient.Complicated arrangement is difficult to grasp for non-expert like this.Therefore, non-expert do the routine examination of nose be difficulty and be inadequate sometimes.And metal specula, must sterilization before can re-using for each patient.

Non-expert often uses hand-held otoscopy nose.Otoscope is a kind of equipment that is designed for checking ear.So it is problematic using otoscopy nose due to some reasons.Otoscope has an integrated camera lens, and this camera lens is understood quick atomization, thereby makes doctor's blurred vision.In addition, the hole of otoscope is fixed, and therefore, it does not allow the expansion in nostril.Finally, otoscope does not for example allow to carry out to the program of administration in nostril.

Asoscope comprises that integrated optical source and specula are well-known.But, because asoscope comprises integrated specula, so be necessary this device of cleaning and disinfection between patient.Insufficient cleaning of these devices, likely causes infecting the transfer from a patient to another patient.

Summary of the invention

According to first aspect of the present utility model, a kind of device that is conducive to the inspection in hole is provided, this device comprises the fixed part of light source, light source is used for illuminating hole; Adapter, for removably installing for inserting the dilator with expanded bore, and for operating the dilator actuator of the dilator after installation, the dilator after this installation comprises the functional unit that can mutually remove; Wherein, the dilator of this dilator actuator with respect to this adapter and after installing is movably, and this device also comprises the internal structure in use guiding dilator actuator to move.

Such design provides a kind of device that can either illuminate hole again can expanded bore, allows again medical expert and non-expert to operate simply and effectively simultaneously.It is upper that dilator is removably mounted on this device, and can easily remove and clean or replace between different patients.In this device, comprising that dilator actuator rather than dilator mean, can be simple structure for the dilator of this device, therefore manufactures cheaply, preferably can disposablely use.In addition, this dilator actuator can coordinate with a part for this dilator, and a part for this dilator is separated with the connector part of dilator.Dilator adapter goes for dilator to be fastened on the fixed position of the housing with respect to this device of this device.

This internal structure can comprise the guide rail of elongation.A plurality of internal structures can be provided.This or each internal guide rail can extend upward in the side that is basically parallel to the longitudinal axis of this device.This internal structure can adopt one or more pillar, sleeve pipe or similar form.Actuator can be by shore supports and in use can for example be moved and move linearly along pillar.

This internal structure can be separated from the housing wall in enclosure interior.

This dilator actuator goes for impelling adjacent component or the wing separation of dilator, thereby functional unit is removed mutually, thus expanded bore.This actuator can comprise for inserting the activation projection between the adjacent component of the dilator after installation, thereby makes movement with respect to the projection of the actuator of dilator cause each other mobile separated of the functional unit of dilator.It is circular cross section that activation projection can have basic.The shape of activation projection can be for roughly cylindrical.

Actuator can comprise and is arranged on this device case annular element around.This activation projection can be extended from the front portion of actuator annulus.

Actuator can be resiliently biased under idle state.This device can comprise one or more elastomeric element, and for example one or more spring, is biased on actuator.

Actuator can comprise projection, for the person's of being used in conjunction with thumb, actuator is in use moved.

This actuator can be slidably mounted in the outside of the housing of device.Housing can comprise one or more groove, and actuator can coordinate with one or more groove.

Actuator comprises that one or more extends to the parts of enclosure interior by one or more groove.These parts can extend internally radially from annulus.

Actuator can comprise the interior section that is arranged on device case inside.This interior section can comprise a body, its be shaped as device inner tight receive one or more internal structure.Interior section can comprise a sliding part, and this sliding part is arranged in use along internal structure, move.

Actuator can coordinate with the internal structure of device, thereby in use stablizes actuated components.Internal structure can have basic for circular cross section and shape can be for roughly cylindrical.Internal structure is typical rigidity.The diameter that one or more pillar has can be slightly less than the diameter of the respective openings in inside body part of actuator.

The upper end of each pillar can arrange screw thread ditch.

This device can comprise end cap.End cap can be fixed in internal structure.End cap can be fixed in internal structure by screw, securing member, binding agent or other fixed forms.

End cap can comprise light source fixing structure.Light source fixing structure can adopt the form of opening or sleeve.

This device is preferably applicable to provide the inspection to nostril, is therefore a kind of asoscope.But more preferably, this device is also applicable to provide the inspection to ear, so or a kind of otoscope.This device can comprise amplifying lens, and it can provide for example view of the amplification of the inside of auditory meatus of hole.

For removably receiving the holder of this device of dilator, preferably include the structure coordinating with the corresponding construction of this dilator, to dilator is arranged on this device.This holder goes for receiving in closely fixing mode a part for dilator.

According to second aspect of the present utility model, a kind of dilator for using together with the device with first aspect is provided, this dilator comprises the first and second adjacent foil that extend out from shared connector construction, this connector construction is set to coordinate with this device when it is mounted use, wherein, the wing comprises erection part and blade part, this blade part is set in use for patchhole, wherein blade part and connector construction are spaced apart by erection part, and the erection part of each wing has the edge of a wing that a central part and extends laterally.

The advantage that the edge of a wing has is the elasticity that increases each wing, thereby while making in use to be separated by dilator brake, the wing is opened the plane that is side direction, and can distortion or rotation, thereby avoids bringing sense of discomfort to patient.

The erection part of each wing can be roughly L shaped on cross section.The edge of a wing can limit the rear surface of erection part.Central part can be to the place ahead projection on the side edge of a wing.

The shape of erection part can be set to, and defines the ditch of the elongation of alongst going up the vicissitudinous width of tool between the adjacent wing, and on the length direction along this ditch, the width of this ditch has minimum widith between the two ends of this ditch.

When blade is closed, blade can form the at one end infundibulate of opening.Each blade can be semicircle on cross section.

Accompanying drawing explanation

Below only by embodiment and in conjunction with relevant accompanying drawing, narrate preferred embodiment of the present utility model, wherein:

Fig. 1 is the 3-D view of device of being convenient to check nose or ear according to an embodiment of the present utility model;

Fig. 2 be according to the device of another embodiment of the present utility model 3-D view;

Fig. 3 is by the cross section of the device of Fig. 2;

Fig. 4 is the top view of the device of Fig. 2;

Fig. 5 is by the sectional view of the plane D-D of the device shown in Fig. 4;

Fig. 6 is the 3-D view of dilator that is in use connected to the device of Fig. 2;

Fig. 7 is by the cross section of the erection part of the dilator of Fig. 6.

The specific embodiment

Fig. 1 shows a kind of asoscope 10 with dilator, and this dilator is the form of additional nasal speculum 12.This asoscope comprises external shell 14, and this external shell 14 has suitable electric connector, for connecting hand-held battery unit 16.This battery unit 16 provides the handle portion of this device 10 or the portion of holding with a firm grip, and it can be hold by one hand by user.Housing 14 is arranged on the top of battery unit.The light source 18 of bulb form is arranged on the upper end of this device 10, and is electrically connected to the battery unit in housing 14.Light source 18 is configured to when nasal speculum 12 is arranged on device 10, the enlarged portion by photoconduction to the top of nasal speculum 12.

The actuator 20 of outer shroud form arranges round housing 14, and in the direction of the longitudinal axis along housing 14, moves slidably for example about 2cm of one section of little distance.Component 22 is arranged on the rear surface of outer shroud 20, when grasping device 10 in use, allows the thumb of user to carry out actuated actuators.Component 22 adopts from encircling 20 and towards rear portion, extends the form of projection, and can have textured surface or have the structure of uprightly holding with a firm grip thereon.

Ring 20 is with respect to longitudinal axis certain angle that tilts of device, makes to encircle 20 front portion and is positioned at the rear portion higher than ring, and the thumb component 22 that starts this from rear portion extends out.

Nasal speculum 12 for this asoscope is disposable and is removably mounted on housing 14.A relative stiffness of specula 12 use but plastic material manufacture that can strain and is observed " L " being roughly down from the side.It has the erection part of the about 4cm of length.The cross section extending out from upright cross section with the angle of about 100-110 ° in the top.

The embodiment of Fig. 2 has end cap structure 32 in the top.Lamp 18 in Fig. 2 is installed in the inside of end cap 32.End cap 32 has opening, and light source 18 is arranged on open interior, allows light to send from end cap.

Housing 14 has the holder 24 of specula 12 in its front portion.Holder 24 is from housing 14 to front protrusion and be configured to receive the bottom of specula 12.Specula is dismountablely to coordinate with base 24, makes as shown in Figure 1 in use specula be held tightly, but can dismantle after using.

Outer shroud 20 comprise be arranged on this device anterior activation projection 26(as shown in Figure 2), radially relative with thumb component 22.Activation projection 26 is roughly cylindrical in shape, and in use matches with specula 12, in the manner as described below.Activation projection is extended towards the place ahead of outer shroud 20.

Outer shroud 20 also has rib 28(and sees Fig. 3), this rib starts radially inwardly to stretch from the inner surface of outer shroud 20.Within rib 28 is engaged in the vertical channel 30 that housing 14 provides, to keep outer shroud 20 around housing 14.Three grooves 30 and corresponding rib 28 are arranged on around housing 14 with substantially equal spacing.A groove 30 is arranged on the place ahead of housing 14, and other two grooves 30 are arranged on its both sides.The length of groove defines the linearly moving mobile range of use procedure medium ring 20.

In housing 14, be provided with two inner supporting structures, its form is upright pillar 34.This pillar provides the linear guide of the movement of the ring in use.This be particularly conducive to guarantee ring level and smooth movement and without swing, thereby avoid the stuck of activation projection 26 or move suddenly.This contributes to user to be avoided bringing discomfort to patient when activating specula 12.This corbeling 34 is cylindrical in shape substantially.

Pillar 34 extends between the base 36 of housing 14 and cap 32.Can use screw 38 or other traditional fixed forms as shown in Figure 4 that pillar is fixed to cap.The upper end of each pillar 34 can be provided with threaded recess.

In Fig. 3, can find out that sliding part 40 is arranged in shell 14.Sliding part has the corresponding opening of shape a pair of and pillar 34.This opening is tightly around pillar and be typical circle.Sliding part 40 is connected to outer shroud 20 by rib 28.The parts that inner sliding part 40 and outer shroud 20 can form as one.

In Fig. 5, can find out, the inside of this device comprises spring 42, not when using state its fexible bias pressure outer shroud 20 towards the top of this device.Spring 42 is between sliding part 40 and base 36.Sliding part can have an opening, closely receives the spring in it.Pillar 34 is arranged on the both sides of spring 42.

An embodiment of this device is included in the amplifying lens 50 shown in Fig. 1, and these lens 50 are installed on the upper surface of this device by arm 52.Arm 52 is rotatably installed on the upper surface of this device, makes lens 50 move to off position from operating position.At described operating position, lens 50 are in the sight line that enters the user in examine hole between the blade of specula 12, and at off position, lens 50 depart from the sight line of user completely.This feature also provides in the embodiment of Fig. 2.In all figure of Fig. 1-5, the upper surface of housing 14 and outer shroud 20 is all at an angle with the longitudinal axis of this device, thereby the front end of the upper surface of housing 14 and the front portion of this device have been raised with respect to rear portion.

Figure 6 illustrates the specula 12 of seeing from behind.This specula comprises the first and second adjacent foil 44A, 44B, and they are connected to their lower end by common connector structure 46.Specula 12 is that injection moulding becomes a global facility that comprises described first and second wings and common connector 46.The bottom connector end 46 of specula with guaranteed coordinating of the holder 24 of this device under the driving of projection 26 that there is no outer shroud 20, the structure of specula 12 in its sealing.This adapter 46 and holder 24 have corresponding structure, can form when mounted to disturb to coordinate or frictional fit, for example, be called the setting of sucking fit (push-fit arrangement).

Wing 44A, the 44B of each specula 12 have erection part roughly, and are transverse part 46A in the upper end of this erection part, 46B.This transverse part 46A and 46B are crooked on cross section, have defined relative blade.When specula is sealing or resting state, if blade 46A and 46B combine, they have defined the funnel shaped parts of open port.Blade 46A and 46B are all semicircles roughly on cross section, towards their far-end 47, come to a point.So the near-end of blade forms the relatively large circle of diameter, 47 of its far-ends, form a less circle.If blade combines, forming is probably hollow frusto-conical.

The width of the erection part of wing 44A, 44B is equal to, or greater than the width of blade 46A, 46B substantially.This can provide larger intensity to specula, and reduces the stress on use procedure Leaf 46A and 46B.So the rear surface of wing 44A, 44B forms the smooth rear surface of specula.

Fig. 7 represents that erection part 44A, 44B are roughly L shaped on cross section, defines thus central part 44C and edge of a wing 44D, and the edge of a wing starts to meet at right angles to the lateral edges of the wing from central part.When blade is applied power by user and separately time, L shaped cross section stops the internal rotating of blade 46A and 46B in nose.It is in use not expect very much to occur that such internal rotating of blade is proved, because specula end 47 curves inwardly rather than correctly expands nasal meatus.

Wing 44A, 44B all have and are recessed to form on the rear surface of its erection part, and these two are recessed in specula and when closed structure, are closely adjacent to each other and define together the ditch 48 extending along the central longitudinal axis of the rear surface of specula thus.The ditch of specula has 48AHe bottom, top 48B.

The transfer point of 48AHe bottom, top 48B is to be positioned at the point that this ditch has minimum widith place.The profile of at least one depression in wing 44A, 44B forms side along its length upward to having the ditch of change width between smallest point 49.From 48AHe bottom, top, 48 beginnings narrow down towards point 49 ditch simultaneously.

In use, medical science practitioner (for example user of device) inserts the end of specula 12 47 in the nostril of examine lightly.By thumb being placed on thumb component 22, user can be expanded nostril.Especially, move down lightly therefore mobile outer shroud 20 of thumb component 22(), be biased on spring 42, activation projection 26 is moved down along the V-arrangement ditch 48 between the wing of nasal speculum.Along with the width of ditch reduces, moving down of activation projection 26 separates blade gently, makes thus blade 46A, the 46B of nasal speculum divide out, to expand nostril.

Once this projection 26 is by the minimum widith point 49 of ditch, the bottom 48B width of ditch increases gradually so.Therefore, this point 49 is that in use blade is the point of maximum separation.The geometry of this ditch contributes to stop the over-separation of blade, and increases thus patient's comfort level and reduction is applied to the excessive danger of strength on blade.

When checking end, user can unload this specula and be discarded safely from holder 24 simply.From installing 10 implementations that remove specula 12, be forefinger to be placed between two relative blade 46A, 46B and to carry out ectatic speculum 12, and it is unloaded from activation projection 26.By by the top bend forward of specula 12, the clamped condition of its passive holder 24 discharges, thereby allows it to remove.Before next patient, new disposable nasal speculum 12 can be installed to this housing 10.

Only it will be understood by those skilled in the art that and described a lot of features preferred embodiment by the mode of embodiment, and also have a lot of distortion to make, also can obtain the advantage that this utility model is given simultaneously.

Claims (10)

1. a device that is conducive to the inspection in hole, this device comprises:

Light source, for illuminating this hole,

Adapter, for removably installing for inserting the dilator with expanded bore,

Dilator actuator, when dilator be arranged on this device when upper for operating this dilator;

Wherein, the dilator of this dilator actuator with respect to adapter and after installing is movably, to promote the adjacent wing of this dilator separated;

This device also comprises internal structure, and this internal structure is in use guiding the movement of this dilator actuator.

2. device according to claim 1, wherein, this internal structure comprises the guide rail of one or more elongation, this guide rail extends along the direction of the movement of the actuator in use procedure.

3. device according to claim 1, wherein, this actuator comprises that shape is roughly columniform activation projection, in use from the front portion of this device, the dilator towards installing stretches this activation projection.

4. device according to claim 1, wherein, this actuator comprises the annular element around of housing that is arranged on this device, and wherein, this housing has one or more groove, and wherein this actuator extends into the inside of housing from described one or more groove.

5. device according to claim 1, wherein, this device comprises housing, and this actuator comprises the first in this hull outside for being activated by user and is positioned at the second portion for matching with internal structure of this enclosure interior.

6. device according to claim 5, wherein, this second portion comprises sliding part, this sliding part is set in use for receiving internal structure and moving along internal structure.

7. device according to claim 1, wherein, this device comprises end cap, in this end cap, light source is installed, wherein, this internal structure is connected to this end cap.

8. a dilator, for using together with being conducive to the device of inspection in hole, this dilator comprises:

The first and second adjacent foil, from common connector extensibility of structure out, this connector construction is configured to coordinate with this device when it is mounted use,

Wherein, the wing comprises erection part and blade part, and this blade part is set in use for patchhole, and wherein blade part and connector construction are spaced apart by erection part, and the erection part of each wing has the edge of a wing that a central part and extends laterally.

9. dilator according to claim 8, wherein, it is L shaped that the erection part of each wing is essentially on cross section.

10. the dilator according to Claim 8 or described in 9, wherein, the shape of this erection part is set to, the ditch on defining alongst between the adjacent wing with the elongation of varying width, on the length direction along this ditch, the width of this ditch has minimum widith between the two ends of this ditch.