Rigid endoscopic device
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a rigid endoscope device.
Background
In recent years, endoscopes and surgical instruments thereof are widely used in the field of minimally invasive diagnosis and treatment, and with the rapid development of minimally invasive medical technology, higher requirements are put on the endoscopes. The classification is carried out according to different positions reached by the endoscope: it is divided into neuroscope, urethrocystoscope, resectoscope, laparoscope, arthroscope, nasosinusitis, laryngoscope, etc. According to the bending of the endoscope head, the endoscope can be divided into a soft endoscope and a hard endoscope. The endoscopic device may be reusable or disposable.
The repeated use of the endoscope requires a treatment such as sterilization because the endoscope apparatus comes into contact with a patient, a medical staff, and the like, and the repeated use of the endoscope involves complicated cleaning and sterilization and risks of cross-infection, while the cost of the disposable endoscope apparatus is too high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rigid endoscope device to solve the loaded down with trivial details cross infection's risk in addition of endoscope washing sterilization that uses repeatedly, and the too high problem of disposable endoscope device cost.
According to a first aspect of the present invention, there is provided a rigid endoscope apparatus, comprising a disposable endoscope body structure, a disposable sterilization thread mechanism, and a reusable imaging mechanism; a light source is arranged near the front end of the mirror body structure; the mirror body structure and the sterilization line mechanism are integrated or separable;
the camera shooting mechanism can be inserted into the mirror body structure from the rear end of the mirror body structure along the linear direction, and the sterilization line mechanism can be in butt joint with the rear end of the mirror body structure along the linear direction and is sealed at the rear end of the mirror body structure, so that the camera shooting mechanism in the mirror body structure is isolated from the outside;
the sterilizing line mechanism is provided with a disposable power line, a power supply interface of the sterilizing line mechanism is butted with a first power interface of the camera shooting mechanism, and power supply of the power line can be supplied to the first power interface through the power supply interface; the camera shooting mechanism can be connected with a light source power supply interface of the light source in a conduction mode through a second power connection interface after being connected into the mirror body structure, and power supply of the first power connection interface can be supplied to the light source through the light source power supply interface and a light source wire.
Optionally, the camera shooting mechanism includes a camera shooting handle, a camera shooting channel tube and a camera shooting packaging structure; the first power connection port and the second power connection port are arranged on the camera shooting handle, a camera shooting wire connected with the camera shooting packaging structure is arranged in the camera shooting channel tube in a penetrating mode, and power supply of the second power connection port can be supplied to the camera shooting packaging structure through the camera shooting wire;
the rear end of the camera shooting channel tube is connected with the camera shooting handle, and the front end of the camera shooting channel tube is connected with the camera shooting packaging structure; after the camera shooting mechanism is inserted into the mirror body structure, the camera shooting handle, the camera shooting channel tube and the camera shooting packaging structure are all positioned in the mirror body structure;
the linear direction is the length direction of the camera shooting channel tube.
Optionally, the scope structure includes a scope handle, a scope passage tube and a scope head; the rear end of the endoscope body passage tube is connected with the endoscope body handle, the front end of the endoscope body passage tube is connected with the endoscope body head, and the tail end of the endoscope body head is provided with a lens;
after the camera shooting mechanism is inserted into the endoscope body mechanism, the camera shooting handle is positioned in the endoscope body handle, and the camera shooting packaging structure is positioned at the head of the endoscope body;
the endoscope body passage tube is internally provided with a light source wire passage and a camera shooting mechanism passage, the light source is arranged at the head of the endoscope body, the light source wire penetrates through the light source wire passage, and the camera shooting passage tube penetrates through the camera shooting mechanism passage.
Optionally, the cross section of the scope channel tube is crescent, the number of the light source wire channels is two, and the two light source wire channels are symmetrically distributed on two sides of the camera shooting mechanism channel.
Optionally, the mirror body structure further comprises a medium channel for allowing gas or liquid to flow through, and a medium valve assembly communicated with the medium channel; the medium channel sequentially penetrates through the endoscope body channel tube and the endoscope body head, and the medium valve assembly is arranged on the endoscope body handle.
Optionally, the device further includes an outer tube structure, and the outer tube structure is sleeved outside the scope passage tube.
Optionally, the outer tube structure includes outer tube channel pipe, outer tube handle to and spacing portion, outer tube channel pipe box is located the mirror body channel outside of tubes, the outer tube handle is located the outer tube channel outside of tubes, spacing portion is located in the outer tube channel is intraductal, be used for the restriction outer tube channel pipe with position along its length direction between the mirror body channel intraductal.
Optionally, the sterilization line mechanism includes sterilization line handle and wiring interface, the power supply interface with the wiring interface is all located the sterilization line handle, the power cord warp the wiring interface inserts in the sterilization line handle, and connect the power supply interface.
Optionally, if the scope structure and the sterilization line mechanism are separable, then: the mirror body structure is connected with the sterilization line mechanism in a locking mode through a locking structure.
Optionally, the scope body structure and/or the sterilization line mechanism are further provided with an instrument channel.
The utility model provides an among the rigid endoscope device, through the aseptic nature of disposable endoscope body structure and disposable sterilization line mechanism guarantee device, avoided processing such as disinfection to and cross infection's risk, the utility model discloses still avoid making a video recording the waste of relevant part through used repeatedly's the mechanism of making a video recording, effectively the cost is reduced. And simultaneously, the utility model discloses a mechanism of making a video recording can insert to the mirror body structure and keep apart with the external world, has avoided used repeatedly's mechanism of making a video recording and external contact, and it can need not to take place to contact with doctor, patient etc. can effectively ensure its aseptic nature.
Furthermore, the utility model discloses in, because the mirror body structure is located to the light source, the mechanism of making a video recording can be the light source power supply after inserting, and it can avoid the device for the power supply of light source independent configuration, and the power supply device that also can avoid independent configuration is extravagant because of disposable to can be favorable to reduce cost. Meanwhile, compared with the scheme of packaging the camera shooting component and the light source component together, the problem of light scattering and light reflection caused by the fact that the light source is integrated in the endoscope body can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a first schematic structural view of a rigid endoscopic device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of a rigid endoscopic device in an embodiment of the present invention;
fig. 3 is a second schematic structural view of a rigid endoscope apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a camera mechanism in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a mirror structure in an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view taken along line A-A of the scope channel tube according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a lens head according to an embodiment of the present invention;
fig. 8 is a rear end view of the mirror structure according to an embodiment of the present invention;
fig. 9 is a schematic structural view of a sterilization line mechanism according to an embodiment of the present invention;
fig. 10 is a schematic structural view of a mirror body structure and a sterilization thread mechanism according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of an outer tube structure according to an embodiment of the present invention;
fig. 12 is a schematic end view of an outer tube structure according to an embodiment of the present invention.
Description of reference numerals:
1-a camera mechanism;
11-a first electrical interface;
12-a second electrical interface;
13-a camera handle;
14-a camera channel tube;
15-a camera package structure;
2-mirror body structure;
21-a scope handle;
22-a scope channel tube;
221-camera mechanism channel;
222-light source wire channel;
223-media channel;
23-a gaseous medium valve assembly;
24-a liquid medium valve assembly;
25-a lens body head;
251-a lens;
252-a media channel;
3-a sterilization line mechanism;
31-a power supply interface;
32-sterilization thread handle;
33-a wiring interface;
34-an instrument access port;
35-a locking button;
4-a power line;
5-a light source;
51-light source wire;
52-light source power interface;
6-outer tube structure;
61-an outer tube passage tube;
62-outer tube handle;
63-inner channel of outer tube;
64-a limiting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is a first schematic structural view of a rigid endoscopic device according to an embodiment of the present invention; FIG. 2 is a schematic view of a portion of a rigid endoscopic device in an embodiment of the present invention; fig. 3 is a schematic structural diagram of a rigid endoscope apparatus according to an embodiment of the present invention.
The rigid endoscope apparatus according to the present embodiment can be applied to scenes such as an intervertebral foramen endoscope, an arthroscope, and a hysteroscope.
Referring to fig. 3, the rigid endoscope apparatus includes a disposable endoscope body structure 2, a disposable sterilization thread mechanism 3, and a reusable imaging mechanism 1. The mirror body structure 2 and the sterilizing line mechanism 3 are integrated or separable.
The imaging means 1 can be understood as a structure provided with imaging means for image acquisition and can be connected to the mirror structure 2.
The scope structure 2 can be understood as any structure capable of accommodating the camera mechanism 1 and contacting with a doctor and a patient during medical activities, and any structure capable of being sleeved outside the camera mechanism 1 can be applied to the present embodiment as the scope structure 2.
The sterilization line mechanism 3 can be understood as being capable of isolating the camera shooting mechanism 1 from the outside through the mechanism connecting mirror body structure 2, thereby achieving the sterilization effect and being capable of connecting the power supply of the power line to any structure of the camera shooting mechanism 1.
Above embodiment has avoided processing such as disinfection and sterilization through disposable mirror body structure and disposable sterilization line mechanism guarantee device's sterility to and the risk of cross infection, above embodiment has still avoided the waste of the relevant part of making a video recording through used repeatedly's mechanism of making a video recording, effectively the cost is reduced. Wherein, the camera shooting mechanism can be used repeatedly, is not easy to damage and has low cost.
In this embodiment, the camera shooting mechanism 1 can be inserted into the mirror body structure 2 from the rear end of the mirror body structure 2 along the linear direction, and the sterilizing line mechanism 3 can be butted with the rear end of the mirror body structure 2 along the linear direction and sealed at the rear end of the mirror body structure 2, so that the camera shooting mechanism 1 in the mirror body structure 2 is isolated from the outside.
Wherein, because this embodiment is applicable to hard endoscope device, so can realize the inserting of mechanism 1 of making a video recording through the rectilinear motion of rectilinear direction, it can play the positive effect of being convenient for the assembly.
Referring to fig. 2, an inner space capable of accommodating the camera mechanism 1 and the sterilization line mechanism 3 may be formed inside the lens body mechanism 2, and then, after the camera mechanism 1 and the sterilization line mechanism 3 are inserted, the camera mechanism 1 and the sterilization line mechanism 3 may be located in the inner space, thereby achieving the purpose of isolation.
In the above embodiment, the camera shooting mechanism can be inserted into the endoscope body structure to be isolated from the outside, so that the camera shooting mechanism which is repeatedly used is prevented from contacting the outside, the camera shooting mechanism does not need to contact doctors, patients and the like, and the sterility of the camera shooting mechanism can be effectively guaranteed.
In other words, the camera shooting mechanism which is completely covered and reused can ensure that the part which can be contacted by a doctor and a patient is a sterilization instrument, can completely isolate a non-sterilization area from a sterile area, and is convenient to use, safe and reliable.
In addition, the camera shooting mechanism of the embodiment can be repeatedly used, other related components do not have camera shooting related components, the camera shooting related components are not easy to damage even if the camera shooting related components are damaged, and the camera shooting mechanism is convenient to use and low in maintenance cost.
In this embodiment, a light source 5 is disposed near the front end of the mirror body structure 2; the front end can be understood as an end of the scope structure 2 for inserting into a natural cavity or an incision cavity of a human body, as an end of the scope structure 2 close to the camera component, and as an end of the scope structure 2 far away from the power line and the handle.
The sterilizing line mechanism 3 is provided with a disposable power line 4, a power supply interface 31 of the sterilizing line mechanism 3 is butted with the first power interface 11 of the image pickup mechanism 1, and the power supply of the power line 4 can be supplied to the first power interface 11 through the power supply interface 31.
After the camera mechanism 1 is connected to the mirror body structure 2, the second power interface 12 can be used to connect the light source power supply interface 52 of the light source 5, and the power supply of the first power interface 11 can be supplied to the light source through the light source power supply interface and the light source wire. Meanwhile, the camera shooting component is communicated with the first power interface 11 through the light source power supply interface, so that power supply of the camera shooting component and transmission of image acquisition are guaranteed.
In one embodiment, the first power interface 11 and the second power interface 12 may be protruded structures, so as to be inserted into the corresponding power supply interface 31 and the corresponding light source power supply interface 52. This embodiment does not exclude an embodiment in which the power supply interface 31 and the light source power supply interface 52 are protruded so as to be inserted into the first power interface 11 and the second power interface 12.
In the above embodiment, since the light source is disposed in the mirror body structure, the camera shooting mechanism can supply power to the light source after being connected, which can avoid independently configuring power supply devices for the light source, and also can avoid waste of the independently configured power supply devices due to disposable use, thereby being beneficial to reducing cost. Meanwhile, compared with the scheme of packaging the camera shooting component and the light source component together, the problem of light scattering and light reflection caused by the fact that the light source is integrated in the endoscope body can be avoided.
In addition, the channel for the camera circuit and the channel for the lighting circuit are not the same channel, and the interference problem of light can be effectively prevented due to the physical isolation of the tube wall.
Fig. 4 is a schematic structural diagram of a camera mechanism in an embodiment of the present invention.
Referring to fig. 4, the camera mechanism 1 includes a camera handle 13, a camera channel tube 14 and a camera package structure 15.
The camera package structure 15 can be understood as any entity having camera components and packaged together using a packaging process to form a complete structure. Compared with the package structure in the prior art, the light source component is not packaged in the above embodiment, and the structure is simplified. Further, the structure can be more compact, thereby being beneficial to the effect of not increasing the outer diameter of the endoscope.
In a specific implementation process, a circuit board, a component or a combination of components for adjusting an optical path and processing an electrical signal may be further configured in the image pickup package structure 15. The camera package structure 15 may be connected to the camera cable through a circuit board, and the connection may be, for example, soldering.
First connect electric port 11 with second connects electric port 12 to all locate handle 13 makes a video recording, and what correspond for being suitable for first connect electric port 11 and second to connect the conductive connection between electric port 12, handle 13 makes a video recording inside can be equipped with corresponding connecting circuit to satisfy the demand of power supply. Meanwhile, this embodiment does not exclude the arrangement of a processing circuit for processing electric signals such as voltage and current while realizing circuit connection. The connection circuit and the processing circuit may be provided in a circuit board, and the connection circuit, the processing circuit and the circuit board may be provided in a space inside the camera handle 13.
A camera cable connected to the camera package 15 is inserted into the camera channel tube 14, and power supplied to the first power port 11 can be supplied to the camera package 15 through the camera cable.
The rear end of the camera channel tube 14 is connected with the camera handle 13, and the front end of the camera channel tube 14 is connected with the camera packaging structure 15; after the camera shooting mechanism 1 is inserted into the mirror body structure 2, the camera shooting handle 13, the camera shooting channel tube 14 and the camera shooting packaging structure 15 are all located in the mirror body structure 2. To facilitate insertion of the imaging channel tube 14 into the scope channel tube 22, the linear direction may be the length direction of the imaging channel tube 14.
The camera handle 13 is understood to be adapted to be hand-held, so that by holding the camera handle 13 the camera mechanism 1 can be inserted into the mirror construction 2.
Fig. 5 is a schematic structural diagram of a mirror structure in an embodiment of the present invention; FIG. 6 is a schematic cross-sectional view taken along line A-A of the scope channel tube according to an embodiment of the present invention; fig. 7 is a schematic structural diagram of a lens head according to an embodiment of the present invention; fig. 8 is a schematic rear end view of a mirror structure according to an embodiment of the present invention.
Referring to fig. 5 to 8, the scope structure 2 includes a scope handle 21, a scope passage tube 22 and a scope head 25.
The rear end of the endoscope body passage tube 22 is connected with the endoscope body handle 21, and the front end of the endoscope body passage tube 22 is connected with the endoscope body head 25.
After the camera shooting mechanism 1 is inserted into the endoscope body mechanism 2, the camera shooting handle 13 is positioned in the endoscope body handle 21, and the camera shooting packaging structure 15 is positioned at the endoscope body head 25.
Referring to fig. 6, the scope channel tube 22 has a light source wire channel 222 and a camera mechanism channel 221 therein, the light source 5 is disposed on the scope head 25, the light source wire 51 is disposed through the light source wire channel 222, and the camera mechanism channel tube 14 is disposed through the camera mechanism channel 221.
Corresponding to the passage in the scope passage tube 22, the scope head 25 also has a light source receiving cavity capable of receiving the light source 5, which can also be connected to a light source wire passage in the scope head 25, which can be directly or connected to the light source wire passage 222 for the light source wire to pass through.
The lens head 25 may be provided with a lens 251, and the lens 251 may be a simple transparent medium that does not affect the optical path, or a prism that forms a package structure and can refract the optical path, so that the camera mechanism 1 can collect images of the lens head in different directions. The lens 251 is disposed at the front end of the camera mechanism channel 221 and seals the camera mechanism channel 221, so as to ensure that the camera mechanism in the camera mechanism channel 221 is isolated from human tissue, doctors, and the like. In one embodiment, the lens 251 may be an integrated prism that can form a viewing angle within a range of angles, such as 0 to 60 degrees.
The light source wire passage 222 is understood to be a passage through which the light source wire 51 can pass.
Meanwhile, the camera mechanism channel 221 and the light source wire channel 222 can be understood as straight channels along the straight direction. The cross-sectional shape of the camera mechanism channel 221 can be varied, and the cross-sectional shape of the light source wire channel 222 can also be varied, such as circular, rectangular, trapezoidal, or other regular or irregular shapes, which can facilitate maximum space utilization.
In one embodiment, the cross section of the scope passage tube 22 is crescent, which is understood to have two arcs, such as a first arc and a second arc, the first end of the first arc can be directly or indirectly connected to the first end of the second arc, the second end of the first arc can be directly or indirectly connected to the second end of the second arc, and the centers of the two arcs are located on the same side of the arcs, and the arcs of the two arcs can be different, which does not exclude the case where the arcs are the same.
In addition, between the first end of first arc and the first end of second arc to and between the second end of first arc and the second end of second arc, but the lug connection also can be through connection such as straight line, pitch arc, curve.
The crescent-shaped mirror body passage tube 22 can facilitate uniform distribution of the camera mechanism passage 221 and the light source wire passage 222, and in a specific example, can also facilitate uniform distribution of the medium passage.
The number of the light source wire channels 222 is two, and the two light source wire channels 222 are symmetrically distributed on two sides of the camera mechanism channel 221, and the size of the light source wire channels is usually smaller than that of the camera mechanism channel 221, so that the light source wire channels can be matched with the crescent-shaped mirror body channel tube 22. In a specific implementation process, the number of the light source wire channels 222 in each group is one light source wire channel 222, and this embodiment does not exclude a case where the number of the light source wire channels 222 in each group is multiple.
In one embodiment, the mirror structure 2 further comprises a medium channel for allowing gas or liquid to flow through, and a medium valve assembly in communication with the medium channel. The medium channel sequentially penetrates through the endoscope body channel tube and the endoscope body head, and the medium valve assembly is arranged on the endoscope body handle.
The medium passage can include, for example, a medium passage 223 in the scope passage tube 22 and a medium passage 252 in the scope head 25, and the medium passage 223 and the medium passage 252 can be communicated along the linear direction. Meanwhile, the two medium channels 223 in the lens body channel tube 22 can be respectively communicated with liquid and gas, and the two medium channels 252 in the lens body head 25 can be respectively communicated with liquid and gas.
Referring to fig. 3 and 5, the media valve assembly may include a gas media valve assembly 23 and a liquid media valve assembly 24 respectively communicating with a media channel for gas flow and a media channel for liquid flow.
In addition, the disposable mirror body structure 2 and the camera shooting mechanism 1 can be separated, and are not simple to sleeve a sheath outside the mirror, so that the space can be effectively utilized, the outer diameter cannot be increased, and the mounting and the use are convenient.
Fig. 9 is a schematic structural view of a sterilization line mechanism according to an embodiment of the present invention.
Referring to fig. 9, the sterilizing line mechanism 3 may include: the sterilization line handle 32 and the interface 33 of working a telephone switchboard, power supply interface 31 with the interface 33 of working a telephone switchboard all locates sterilization line handle 32, power cord 4 is through the interface 33 of working a telephone switchboard inserts in sterilization line handle 32, and connect power supply interface 31.
The sterilization cord handle 32 can be understood as a structure suitable for hand holding, which can have an internal space, and the power cord 4 can be connected with the power supply interface 31 after being connected into the internal space through the wiring interface 33, so as to supply power. In a specific implementation process, the power line 4 may be directly connected to the power supply interface 31, or may be indirectly connected to the power supply interface 31.
In one embodiment, the scope structure 2 and/or the sterilization thread mechanism 3 are further provided with an instrument passage port. Such as instrument access port 34 shown in fig. 9.
Fig. 10 is a schematic structural view of a mirror body structure and a sterilization thread mechanism according to an embodiment of the present invention.
Referring to fig. 10, if the scope structure 2 and the sterilization wire mechanism 3 are separable, then: the mirror body structure 2 and the sterilizing line mechanism 3 can be locked and connected through a locking structure. The locking mechanism may be operable to lock by means of a locking button 35.
The locking structure is understood to be any structure which can realize relative locking between two components, such as a thread structure, a locking structure, a latch structure and the like.
In the specific implementation process, the sterilization line handle 32 can be pushed into the endoscope body handle 21 when the locking button 35 is pressed, then the locking button 35 is loosened to realize automatic locking, and the locking button 35 can be pressed to realize unlocking if the sterilization line handle is required to be separated, so that the two sterilization line handles 32 can be conveniently combined with and separated from the endoscope body handle 21.
In another embodiment, the scope structure 2 and the sterilization wire mechanism 3 may be integrated, wherein the sterilization wire mechanism 3 may also include a sterilization wire housing and a connection interface, the power supply interface and the connection interface are both disposed on the sterilization wire handle, the power line is connected to the sterilization wire handle through the connection interface, and the power supply interface is connected to the power supply interface, wherein the sterilization wire housing may be understood with reference to the sterilization wire handle 32 according to the previous embodiment, and the power supply interface and the connection interface may be understood with reference to the power supply interface 31 and the connection interface 33 according to the previous embodiment.
In the specific implementation process, a plug interface can be formed between the lens body structure 2 and the sterilizing line mechanism 3, the camera shooting mechanism can be clamped to fix the position of the camera shooting mechanism after being plugged, and the conducting requirements related in the foregoing can be met through direct or indirect conducting connection between the interfaces after being plugged.
Therefore, the sterilization line mechanism is provided with the sterilization line handle, the corresponding interface and other parts, so that the bacteria-containing area can be completely isolated, and the inconvenience in use caused by the sterilization sheath and other interfaces is solved.
Fig. 11 is a schematic structural diagram of an outer tube structure according to an embodiment of the present invention; fig. 12 is a schematic end view of an outer tube structure according to an embodiment of the present invention.
Referring to fig. 11 and 12, the device further includes an outer tube structure 6, and the outer tube structure 6 is sleeved outside the scope passage tube 22. Through the outer tubular structure 6, a working channel can be provided for the instrument and/or scope passage tube 22, while at the same time serving as a support.
In one embodiment, the outer tube structure 6 includes an outer tube passage tube 61, an outer tube handle 62, and a position-limiting portion 64, the outer tube passage tube 61 is sleeved outside the scope body passage tube, the outer tube handle 62 is disposed outside the outer tube passage tube 61, and the position-limiting portion 64 is disposed inside the outer tube passage tube 61 and is used for limiting the position between the outer tube passage tube 61 and the scope body passage tube 22 along the length direction thereof. Wherein the outer tube passage tube 61 may be formed with an outer tube inner passage 63, the outer tube inner passage 63 being accessible by the scope passage tube 22 and/or instruments.
In a specific implementation, the position-limiting part 64 may be disposed near the front end of the outer tube passage tube 61, so as to block the endoscope body passage tube 22 from passing through the outer tube passage tube 61. It can be seen that the position fixation between the endoscope body passage tube 22 and the outer tube structure 6 can be conveniently realized through the limiting part 64.
In addition, the cross section of the outer tube passage tube 61 of the outer tube structure 6 may be circular or elliptical, or may be any other irregular shape, so as to change the size of the instrument passage, meet more surgical requirements, and utilize the space to the maximum extent. Furthermore, since the outer tubular structure 6 is manufactured separately, it is also possible to design an elliptical structure, which is advantageous for increasing the size of the passage.
In summary, in the rigid endoscope apparatus provided in this embodiment, the sterility of the apparatus is ensured by the disposable endoscope body structure and the disposable sterilization line mechanism, so that the risk of sterilization, disinfection and cross infection is avoided, and the waste of imaging related components is avoided by the reusable imaging mechanism, thereby effectively reducing the cost. Simultaneously, the mechanism of making a video recording of this embodiment can insert to the mirror body structure and keep apart with the external world, has avoided used repeatedly's mechanism of making a video recording and external contact, and it can need not to take place the contact with doctor, patient etc. can effectively ensure its sterility.
In addition, in the embodiment, because the light source is arranged in the mirror body structure, the camera shooting mechanism can supply power to the light source after being connected, the device for supplying power to the light source independently can be avoided, the waste of the independently configured power supply device due to disposable use can also be avoided, and the cost can be reduced. Meanwhile, compared with the scheme of packaging the camera shooting component and the light source component together, the problem of light scattering and light reflection caused by the fact that the light source is integrated in the endoscope body can be avoided.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.