CN215687733U - Intranasal electron skull base sight glass that visual angle is adjustable - Google Patents

Abstract

The utility model discloses a visual angle adjustable electronic skull base observation mirror through nose, which comprises a television monitor, a handle and a connecting wire; the connecting wire is used for connecting the television monitor and the handle; the method is characterized in that: the handle comprises a shell and an insertion section arranged on the shell; the insertion section comprises a rigid inner tube arranged on the shell, a flexible tube connected with the rigid inner tube and a lens arranged on the flexible tube; the insertion section further comprises at least one guide wire which is associated with the flexible tube, and the flexible tube deforms under the traction of the guide wire to realize multi-angle observation of the lens. By arranging the flexible tube to be connected with the lens, the original hard lens body is changed into a rigid structure with a flexible front end and a flexible rear end, so that the deep structure can be observed conveniently in an operation, and the damage to surrounding tissues during exploration is greatly reduced; in addition, the guide wire is arranged, so that the flexible pipe can turn to an adjustable angle, and the observation range and the visual angle are greatly increased.

Description

Intranasal electron skull base sight glass that visual angle is adjustable

Technical Field

The utility model belongs to the technical field of neuroendoscopy, and particularly relates to an electronic skull base observation mirror through nose, which is adjustable in visual angle.

Background

At present, a skull base inspectoscope used for neurosurgery via nose generally adopts rigid optical endoscope equipment used for clinical operation to inspect skull base lesions, but the current inspectoscope body with a rigid structure cannot be turned to adjust the visual angle, seriously influences the observation range and the visual angle and brings visual field obstruction for exploration; and the rigid tip is susceptible to damage to surrounding tissue when accessed.

Disclosure of Invention

The utility model provides the electronic skull base observation mirror through the nose, which is convenient to use and has an adjustable visual angle, so as to overcome the defects of the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme: an electronic skull base observation mirror through nose with adjustable visual angle comprises a television monitor, a handle and a connecting wire; the connecting wire is used for connecting the television monitor and the handle; the method is characterized in that: the handle comprises a shell and an insertion section arranged on the shell; the insertion section comprises a rigid inner tube arranged on the shell, a flexible tube connected with the rigid inner tube and a lens arranged on the flexible tube; the insertion section further comprises at least one guide wire which is associated with the flexible tube, and the flexible tube deforms under the traction of the guide wire to realize multi-angle observation of the lens.

By arranging the flexible tube to be connected with the lens, the original hard lens body is changed into a rigid structure with a flexible front end and a flexible rear end, so that the deep structure can be observed conveniently in an operation, and the damage to surrounding tissues during exploration is greatly reduced; in addition, the steerable adjustable angle of the flexible pipe is realized by arranging the guide wire, so that the observation range and the visual angle are greatly increased; in addition, when the posture of the lens needs to be adjusted, the flexible tube is controlled to deform only by the guide wire without rotating the handle and the rigid inner tube, so that multi-angle observation of the lens can be realized, and the rigid inner tube is prevented from rotating to damage tissues of a patient. The skull base observation mirror disclosed by the utility model fills the blank that no professional transnasal skull base inspection equipment exists in neurosurgery at present, and is more in line with clinical diagnosis and treatment habits of neurosurgery in China.

Optionally, a steering control member associated with the guide wire is provided on the handle. Through the structure, the guide wire can be controlled to act through the steering control piece, and further the bending angle and the direction of the flexible pipe are controlled. And the steering control piece is arranged on the handle, thereby being convenient for the operation of the operator.

Optionally, the handle further comprises an outer sleeve detachably connected with the housing, and the outer sleeve is sleeved outside the insertion section; through the setting of above-mentioned structure, a overcoat has been cup jointed in the insertion section outside to make the insertion section can not direct and contact such as patient's body fluid, tissue, reduce patient's uncomfortable and feel, simultaneously because the overcoat is detachable, after accomplishing the inspection to a patient, only need the overcoat of renewal, can inspect next patient, need not numerous and diverse disinfection procedure, it is more convenient to use, and the inspection is more high-efficient.

Optionally, the outer sleeve is detachably connected to the housing through a third connecting portion, and a channel through which the rigid inner tube and/or the outer sleeve pass is formed in the third connecting portion. Through the arrangement of the structure, the detachable connection of the outer sleeve is realized, and the convenience and the rapidness are realized.

Optionally, the outer casing is made of a flexible transparent material. Through the structure, the micro sensor can conveniently identify images and transmit light rays

Optionally, the outer sleeve is made of a medical silica gel material.

Optionally, the lens is further provided with a miniature image sensor, and the miniature image sensor is connected with the connecting line through a third transmission line. Through the arrangement of the structure, the electronic lens formed by the miniature image sensor and the like replaces the traditional optical structure lens, so that the whole structure is simpler, the handle is lighter, the burden of the operator on the arm of the endoscope after long-term operation is reduced, and the body health of the operator is protected; meanwhile, the accessories such as the miniature image sensor and the like are mature in domestic industrialization, the cost of production equipment is only one fifth of that of an optical structure, and the clinical use cost is greatly reduced; moreover, images are shot and conducted through the miniature image sensor, and compared with the traditional optical fiber endoscope images, the miniature image sensor is clearer, more vivid in color and higher in resolution.

Optionally, an auxiliary device is arranged on the lens, and the auxiliary device is connected with the connecting line through a second transmission line.

Optionally, the housing further includes a first connection portion, a light source element disposed in the first connection portion, and a light guide bundle for guiding light emitted from the light source element to the lens. Through the setting of above-mentioned structure, installed light source spare in the handle for the light source is closer from miniature image sensor distance, only can realize light conduction with the leaded light bundle, and cooperates the image recognition throughput of going up the sensor, when making the structure more simple, image display is more clear, and replaced the traditional numerous and diverse light source system, it is littleer to make the equipment volume, convenient to use, and avoided the drawback that former optical fiber structure is not durable, has prolonged life.

Optionally, the housing further includes a second connecting portion detachably connected to the first connecting portion, and a through groove provided on the second connecting portion, and the through groove is used for the rigid inner tube and the light guide bundle to pass through.

In conclusion, the utility model has the following beneficial effects:

1. by arranging the flexible tube to be connected with the lens, the original hard lens body is changed into a rigid structure with a flexible front end and a flexible rear end, so that the deep structure can be observed conveniently in an operation, and the damage to surrounding tissues during exploration is greatly reduced;

2. the steerable adjustable angle of the flexible pipe is realized by arranging the guide wire, so that the observation range and the visual angle are greatly increased;

3. when the posture of the lens is required to be adjusted, the flexible tube is controlled to deform only by the guide wire without rotating the handle and the rigid inner tube, so that multi-angle observation of the lens can be realized, and the rigid inner tube is prevented from rotating to damage tissues of a patient.

4. The skull base observation mirror disclosed by the utility model fills the blank that no professional transnasal skull base inspection equipment exists in neurosurgery at present, and is more in line with clinical diagnosis and treatment habits of neurosurgery in China.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cutaway perspective view of fig. 1.

Fig. 3 is a first partial cross-sectional view of fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

FIG. 5 is a partial schematic view of one embodiment of a flexible pipe

Fig. 6 is a second partial cross-sectional view of fig. 2.

Fig. 7 is a third partial sectional view of fig. 2.

Fig. 8 is a perspective view of a flexible pipe in a bent state according to the present invention.

Fig. 9 is a schematic structural view of the conductive element.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-6, a transnasal skull base endoscope comprises a television monitor 3, a handle 1 and a television information system center; the television information system center is installed in the television monitor, and at least plays a role in converting an electric signal into an image to be displayed on the television detector, which is the prior art and therefore is not described herein again.

Specifically, the handle 1 comprises a shell and an insertion section, wherein the insertion section is connected with the shell and used for extending into the body of a patient to check the patient. The casing comprises a first connecting portion 11, a second connecting portion 12, a third connecting portion 13 and a connecting wire 14, the connecting wire 14 comprises a plug wire 141 and a plug 142, one end of the plug wire is connected with one end of the first connecting portion far away from the second connecting portion, the other end of the plug wire is connected with the plug 142, and an interface corresponding to the plug is arranged on the television monitor 3, so that the plug can be detachably connected with the television monitor. The second connecting part 12 is connected with one end of the first connecting part 11 far away from the connecting line 14, and in the embodiment, the two parts are in threaded fit to realize detachability; further, the surface of the second connecting portion 12 is formed in an arc structure, and a connecting member 122 is disposed on one side of the second connecting portion close to the first connecting portion, and the connecting member is a nut. The third connecting portion are connected with the one end that first connecting portion were kept away from to the second connecting portion, and in this embodiment, both are the buckle cooperation, realize simple and convenient dismantlement connection.

In other embodiments, the connection portion 14 and the first connection portion 11 may be detachably connected, such as a plug-and-socket type fitting.

In other embodiments, the first connection portion and the second connection portion may be detachably engaged with each other through other connection structures, such as an insertion, a clamping, a locking, and the like.

In other embodiments, the third connecting portion and the second connecting portion can be detachably engaged with each other through other connecting structures, such as plug-in, clip-in, and lock

Further, the insertion section includes a rigid inner tube 6, a lens 4 and a micro image sensor 41. One end of the rigid inner pipe is connected with the shell, specifically, a through groove is formed in the second connecting part, the rigid inner pipe penetrates through the through groove, and one end of the rigid inner pipe penetrates through the through groove and penetrates into the first connecting part; a conductive piece 111 is arranged in the first connecting part, a through hole 112 is formed in the conductive piece, and a rigid inner pipe can penetrate into the through hole; a connecting table 61 is arranged at one end of the rigid inner tube, which is far away from the second connecting part, the lens is connected with the connecting table through a flexible tube 71, and the flexible tube 71 is bendable and/or flexible, so that the flexible tube 71 can be bent in multiple directions, and the angle of the lens is adjusted; the flexible tube 71 is controlled through the guide wire 72, and the guide wire is connected with one end of the flexible tube, which is far away from the rigid inner tube, so that an operator can control the lens in the patient body to perform multi-angle steering outside, and the miniature image sensor on the lens can see more directions and angles, and the observation range is wider; the micro image sensor is a CCD sensor, which is a prior art and therefore not described herein. The guide wire 72 is made of a thin steel wire.

Furthermore, a positioning protrusion 73 is arranged on the flexible tube 71, the positioning protrusion 73 is arranged on the inner wall of the flexible tube 71 close to the lens portion, a positioning hole 731 is arranged on the positioning protrusion 73, a guide wire 72 penetrates through the positioning hole 731, a blocking portion 721 is arranged at one end of the guide wire 72 close to the lens portion, and the blocking portion 721 and the positioning protrusion 73 are abutted against each other, so that when the guide wire 72 is pulled, the flexible tube 71 can be guided to bend. In order to make the guide wire 72 capable of bending in multiple directions, four sets of the guide wire 72 and the positioning protrusion 73 are provided, so that the required direction bending can be realized only by pulling the guide wire 72 as required.

Further, the rigid inner tube 6 is arranged in a hollow cylindrical structure, and the guide wire 72 can penetrate into the rigid inner tube to realize the operation of the lens; the handle 1 is provided with a steering control piece for controlling the guide wire 72, the steering control piece can be rotatably arranged on the handle 1 and controls two guide wires which are arranged in the flexible pipe at an angle of 180 degrees, and the flexible pipe is bent to a required position by manually controlling the rotation angle of the steering control piece to pull the guide wires; wherein the steering control member controls the bending of the flexible tube through the guide wire, which is the prior art, and the specific connection structure of the steering control member and the guide wire is not repeated.

Alternatively, the steering control member may be designed in a desired number according to the number of the guide wires 72; in this embodiment, two sets of the steering control members are provided, so as to realize bending of the flexible pipe in 360 ° directions.

In some embodiments, the flexible tube 71 is formed by sequentially arranging a plurality of hollow serpentines 74 end to end, specifically, the serpentines 74 are provided with protrusions 741 and recesses 742, the plurality of serpentines 74 are connected end to form the flexible tube 71, and the protrusions 741 and the recesses 742 between two adjacent serpentines 74 are arranged in a staggered manner, specifically, when the upper side of the protrusion 741 on a first serpentine is located corresponding to the recess 742 on a second serpentine above the first serpentine, the upper side of the recess 742 on the second serpentine is located corresponding to the protrusion 741 on a third serpentine above the second serpentine, and the serpentines 74 are arranged alternately in this order to form the flexible tube 71. It is anticipated that the flexible tube 71 is made up of a plurality of snake bone units, and necessarily has a better bending ability.

Of course, in other embodiments, the flexible tube 71 may be formed from a superelastic material, such as a shape memory material.

Further, the micro image sensor is connected to the connection line 14 through a third transmission line 144, so that after the micro image sensor converts the optical signal into an electrical signal, the electrical signal can be transmitted to the tv monitor through the third transmission line and the connection line, and the third transmission line is installed in the hollow rigid inner tube.

In some embodiments, the through holes are formed along the axial line direction of the conducting element, and a plurality of rows of slots 113 are circumferentially formed in the side wall of the conducting element, and the slots are non-uniformly distributed along the side wall and have different widths.

In some embodiments, the lens is provided with an auxiliary device 42, which is connected to the connection line 14 through a second transmission line 145; the auxiliary device may be one or more of a video recorder, a camera, an aspirator, and a keyboard for inputting various information and various treatment instruments for diagnostic treatment.

Further, a light source part 2 is installed in the first connecting part, and the light source part is an LED light source and can be various forms of LED light sources such as an LED lamp panel or an LED lamp bead; the light source element is connected to the connection line 14 through a first transmission line 143. Still be connected with leaded light bundle 3 on the light source spare, this leaded light bundle one end is connected with the light source spare, arranges in on the outer wall of conduction spare, and the other end passes the logical groove on the second connecting portion, arranges in near miniature image sensor, conducts near miniature image sensor with the light that light source spare sent, provides the illumination for miniature image sensor can be better discernment patient internal picture.

In some embodiments, the light guide bundle is helically coiled around or otherwise conformed to the outer wall of the rigid inner tube in the axial direction of the rigid inner tube.

Further, the outer side of the insertion section is sleeved with an outer sleeve 43, the outer sleeve is sleeved on the outer side of the insertion section, and components such as a lens, a miniature image sensor, a light guide bundle and a rigid inner tube are all sleeved with the outer sleeve, so that the components are protected by the outer sleeve to avoid direct contact with organism tissues of a patient, and the outer sleeve 43 is made of transparent flexible materials, so that image recognition of the miniature image sensor cannot be influenced, and illumination of light rays cannot be influenced.

In some embodiments, the outer sleeve can be made of medical silica gel materials, or medical plastic materials or other transparent flexible materials; it is also possible that the body is made of a flexible material and that the end near the miniature image sensor is made of a transparent material.

Specifically, overcoat and casing are for dismantling the connection, and the convenience is accomplishing the back to the detection of a patient, the new overcoat of quick replacement to in to next patient's detection, need not loaded down with trivial details disinfection procedure, use more convenient and fast.

In some embodiments, a channel is formed in the third connecting portion, the insertion section can pass through the channel, namely the outer sleeve is sleeved on the insertion section, the insertion section passes through the channel on the third connecting portion, at the moment, the third connecting portion can play a role of smoothing out the outer sleeve, when the third connecting portion is connected with the second connecting portion, part of the body at the opening of the outer sleeve can be pressed between the third connecting portion and the second connecting portion, the outer sleeve is fixed, and meanwhile, the outer sleeve is convenient to detach and replace.

In some embodiments, a clamping groove may be formed on an outer surface of the third connecting portion, and the outer sleeve is fixed in the clamping groove by a binding tape or a tying band, and the outer sleeve may also be detachably connected.

In some embodiments, the outer sleeve may also be detachably connected to the insertion section, and the specific detachable connection structure may be any structure such as a ribbon or a buckle, which is not described herein.

When the device is used, the rigid inner tube extends into the nose under the protection of the outer sleeve, the light guide beam conducts light rays of the LED light source to the lens, the CCD sensor converts light signals into electric signals, and the electric signals are displayed on a screen of a television monitor after being processed by the image processor; the operator can adjust the angle of the lens by pulling the guide wire 72, so as to detect and observe different angles; after the use, the jacket can be detached and replaced, and then the subsequent use can be carried out.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although a large number of terms are used here more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (10)

1. An electronic skull base observation mirror through nose with adjustable visual angle comprises a television monitor, a handle and a connecting wire; the connecting wire is used for connecting the television monitor and the handle; the method is characterized in that: the handle comprises a shell and an insertion section arranged on the shell; the insertion section comprises a rigid inner tube arranged on the shell, a flexible tube connected with the rigid inner tube and a lens arranged on the flexible tube; the insertion section further comprises at least one guide wire which is associated with the flexible tube, and the flexible tube deforms under the traction of the guide wire so as to realize multi-angle and multi-azimuth observation of the lens.

2. The transnasal electronic craniofacial viewing scope with adjustable viewing angle of claim 1, wherein: and a steering control piece which is associated with the guide wire is arranged on the handle.

3. The transnasal electronic craniofacial viewing scope with adjustable viewing angle of claim 1, wherein: the handle further comprises an outer sleeve detachably connected with the shell, and the outer side of the insertion section is sleeved with the outer sleeve.

4. The transnasal electronic craniofacial observation scope with adjustable visual angle of claim 3, wherein: the outer sleeve is detachably connected to the shell through a third connecting portion, and a channel for the rigid inner pipe and/or the outer sleeve to penetrate through is formed in the third connecting portion.

5. The transnasal electronic craniofacial observation scope with adjustable visual angle of claim 3, wherein: the outer sleeve is made of a flexible transparent material.

6. The transnasal electronic craniofacial observation scope with adjustable visual angle of claim 3, wherein: the outer sleeve is made of medical silica gel materials.

7. The transnasal electronic craniofacial viewing scope with adjustable viewing angle of claim 1, wherein: the camera lens is also provided with a miniature image sensor, and the miniature image sensor is connected with the connecting wire through a third transmission line.

8. The transnasal electronic craniofacial viewing scope with adjustable viewing angle of claim 1, wherein: the lens is provided with an auxiliary device, and the auxiliary device is connected with the connecting line through a second transmission line.

9. The transnasal electronic craniofacial viewing scope with adjustable viewing angle of claim 1, wherein: the shell further comprises a first connecting part, a light source part arranged in the first connecting part and a light guide beam used for transmitting light rays emitted by the light source part to the lens.

10. The transnasal electronic craniofacial viewing scope as defined in claim 9, wherein: the shell further comprises a second connecting part detachably connected with the first connecting part and a through groove arranged on the second connecting part, and the through groove is used for allowing the rigid inner pipe and the light guide beam to pass through.

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