CN221242810U - Endoscope system - Google Patents

Abstract

The application relates to an endoscope system, which comprises a handle, a scope body and a scope sheath; the handle is provided with a first channel; the mirror body is detachably arranged on the handle, and an installation channel coaxial with the first channel and/or an installation guide groove are arranged in the mirror body; the mirror sheath is detachably arranged on the mirror body, and a second channel coaxial with the first channel is arranged in the mirror sheath; according to the endoscope system, the handle, the endoscope body and the endoscope sheath are arranged to be of the detachable structure, so that an operator can quickly replace the endoscope body and the endoscope sheath with different types and sizes in the operation process, the requirement of quickly replacing surgical instruments in the operation process is met, and the requirements of operations in various fields on endoscope systems with different specifications can be met; and through setting up the first passageway, installation guide slot and the second passageway that supply surgical instruments to pass on handle, mirror body and mirror sheath respectively, make the operator need not additionally to establish the passageway and can carry out the operation, make endoscope system's application scope wider.

Description

Endoscope system

Technical Field

The application relates to the technical field of endoscopes, in particular to an endoscope system.

Background

With the development and popularization of minimally invasive surgery, an endoscope system has become an indispensable device for disease diagnosis and treatment in modern medicine, and is applied in the fields of orthopaedics, spinal surgery, gynecology, neurosurgery and the like in a large scale.

The current endoscope system is generally composed of a handle, a scope body and a scope sheath, wherein the scope body is arranged on the handle, the scope body is provided with an insertion part, the scope sheath is arranged on the scope body and partially accommodates the insertion part, and a liquid channel for liquid circulation is arranged on the scope sheath, so that after the scope sheath extends into a body cavity of a patient along with the insertion part, liquid or medicament can be input into the body cavity of the patient through the liquid channel so as to clean or treat the body cavity of the patient.

Although the above-described endoscope system can perform substantially the same function, the fields to which different types and sizes of endoscope bodies and sheaths are applied are different, and thus in order to be able to provide a proper endoscope system to surgeons in different fields, hospitals need to maintain a large number of different types and sizes of endoscope systems, which are not only costly, but also difficult to manage and maintain; and when a plurality of operations are required to be carried out on the same patient in the same operation, a plurality of endoscope systems are required to be prepared in the operation process, so that the operation cost is increased, a large number of disinfection facilities and sterile facilities are required to be matched with the operation cost in the operation process, and the operation cost and the operation risk are further increased.

Disclosure of utility model

Accordingly, it is necessary to provide an endoscope system for the problems of high equipment cost, management cost, operation cost and operation risk.

An endoscope system, comprising:

The handle is provided with a first channel;

The endoscope comprises an endoscope body shell and an insertion part, wherein the proximal end of the endoscope body shell is detachably connected with the handle, the endoscope body shell is provided with a mounting channel coaxial with the first channel and/or a mounting guide groove, and the insertion part is detachably connected with the distal end of the endoscope body shell;

The mirror sheath is detachably arranged on the mirror body shell, and a second channel coaxial with the first channel is arranged in the mirror sheath;

The first channel, the second channel and the mounting channel, and/or the mounting guide groove are coaxially communicated to form the endoscopic instrument operation channel.

In one embodiment, the sheath is provided with an instrument tube which is coaxial with and communicated with the second channel, and the instrument tube passes through the mounting channel and/or the mounting guide groove and is accommodated in the first channel.

In one embodiment, an endoscope channel is also provided in the sheath parallel to the second channel, the insertion portion passing through the endoscope channel.

In one embodiment, at least two liquid channels parallel to the second channel are further provided in the sheath, and the at least two liquid channels are each provided between the second channel and the endoscope channel.

In one embodiment, the mirror housing is snap-fit with the handle, and the mirror sheath is snap-fit with the mirror housing.

In one embodiment, the handle is provided with a first bayonet structure, the mirror body shell is provided with a first pressing handle, the first pressing handle is provided with a first buckle, and the first buckle can be clamped into the first bayonet structure and can move relative to the mirror body shell under the drive of the first pressing handle so as to move out of the first bayonet structure.

In one embodiment, the handle is provided with a mounting groove communicated with the first bayonet structure, the mirror housing is provided with a mounting protrusion matched with the mounting groove, and the first buckle can be accommodated in the mounting groove along with the mounting protrusion and is in clamping connection with the first bayonet structure.

In one embodiment, the mirror body casing is provided with a second bayonet structure, the mirror sheath is provided with a second pressing handle, the second pressing handle is provided with a second buckle, and the second buckle can be clamped into the second bayonet structure and can move relative to the mirror sheath under the drive of the second pressing handle so as to move out of the second bayonet structure.

In one embodiment, the mounting groove and the second bayonet structure are respectively arranged on two sides of the mirror body housing facing away from each other.

In one embodiment, the mirror sheath is provided with a guide groove, the mirror body shell is provided with a blocking lug matched with the guide groove, and the second buckle can be accommodated in the guide groove and connected with the second bayonet structure in a clamping manner when being abutted to the guide groove.

According to the endoscope system, the handle, the endoscope body and the endoscope sheath are arranged in the detachable structure, so that operators can quickly replace the endoscope bodies and the endoscope sheaths in different types and sizes in the operation process so as to meet the requirement of quickly replacing surgical instruments in the operation process, the operation safety is improved, and the endoscope sheath is arranged as a disposable product, so that the possibility of additional bacteria caused by recycling the instruments is avoided, and the risk of surgical infection is reduced; in addition, the handle, the mirror body and the mirror sheath are arranged in a detachable structure, so that one operation department can cope with the requirements of operations in various fields on endoscope systems with different specifications by only providing a small number of handles and different types and sizes of mirror bodies and mirror sheaths, thereby reducing the purchase cost and the management cost of hospitals and further reducing the operation cost; and the first channel, the installation guide groove and the second channel which are respectively arranged on the handle, the endoscope body and the endoscope sheath can be used for the surgical instruments such as rongeur, abrasive drilling, osteotome to pass through in the surgical process, so that an operator can perform surgical operations in the fields such as joint, hysteroscope, abdominal cavity and the like without additionally establishing channels, and the application range of the endoscope system is wider.

Drawings

Fig. 1 is a schematic view of an endoscope system according to some embodiments of the present application.

Fig. 2 is a schematic view of an endoscope system in a split configuration according to some embodiments of the present application.

Fig. 3 is a schematic view of an endoscope system according to other embodiments of the present application.

Fig. 4 is a schematic view showing a structural separation of an endoscope system according to other embodiments of the present application.

Fig. 5 is a schematic view showing an internal structure of a sheath of an endoscope system according to some embodiments of the present application.

Fig. 6 is a schematic structural view of a joint of an endoscope system according to some embodiments of the present application.

Fig. 7 is a schematic view of a portion of the structure of a scope of an endoscope system according to some embodiments of the present application.

Fig. 8 is a schematic view of a part of the internal structure of a scope body of an endoscope system according to some embodiments of the present application.

Fig. 9 is a schematic view of the distal end configuration of a sheath of an endoscope system according to some embodiments of the present application.

FIG. 10 is a schematic view illustrating a structure between a sheath and a lens of an endoscope system according to some embodiments of the present application.

FIG. 11 is a schematic view showing the structure between a sheath and a lens of an endoscope system according to another embodiment of the present application.

Reference numerals:

1. A handle; 11. a first channel; 12. a first bayonet structure; 13. a mounting groove; 14. a second connector; 15. a charging cable; 16. a power adapter; 17. a second electrical connection;

2. A mirror body; 21. a mirror body shell, 22, an inserting part, 23 and a mounting guide groove; 24. a first pressing handle; 25. a first buckle; 26. mounting the bulge; 27. a first connector; 28. a second bayonet structure; 29. a blocking lug;

3. A sheath; 31. a connector; 32. a sheath; 321. a second channel; 322. an endoscope channel; 323. a liquid channel; 324. an injection hole group; 33. a conduit; 34. an instrument tube; 35. a second pressing handle; 36. a second buckle; 37. a guide groove;

4. a charging base; 41. A first electrical connection;

5. An optical coupling assembly; 51. A light emitter; 52. An illumination fiber bundle;

6. an image conduction assembly; 61. a lens component; 62. an image sensor; 63. an image transmission optical fiber bundle;

7. a lens;

8. and a reflecting prism member.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The current endoscope system is generally composed of a handle, a scope body and a scope sheath, and the scope bodies and the scope sheaths of different types and sizes are applied in different fields, for example, the endoscope is applied to an arthroscope of an orthopaedics (large joint) department, the diameter of an insertion part of the scope body is 4mm, the working length is 170mm, the pipe diameter of the matched scope sheath is 6mm, and the working length is 140mm; the endoscope is applied to an arthroscope of an orthopaedics department (facet joint), the diameter of an insertion part of the endoscope body is 2.7mm, the working length is 110mm, the pipe diameter of a matched endoscope sheath is 5mm, and the working length is 80mm. Thus, in order to be able to provide suitable endoscope systems for surgeons in different fields, hospitals need to maintain a large number of different types and sizes of endoscope systems, which are not only costly, but also not easy to manage and maintain; and when a plurality of operations are required to be carried out on the same patient in the same operation, a plurality of endoscope systems are required to be prepared in the operation process, so that the operation cost is increased, a large number of disinfection facilities and sterile facilities are required to be matched with the operation cost in the operation process, and the operation cost and the operation risk are further increased.

In addition, the existing arthroscope applied to orthopaedics is applied to hysteroscopes of gynaecology, is applied to endoscopes such as laparoscopes of general surgery and the like, is not provided with an instrument channel, and a doctor needs to additionally establish a channel to enable surgical instruments such as bone forceps, grinding drills, osteotomes and the like to pass through the endoscope so as to perform surgical operation, so that surgical wounds of patients are large, the wounds are more, complications are easy to occur, and the appearance of the patients is attractive to a certain extent. Accordingly, there is a need to provide an endoscope system to solve the above-described problems.

Referring to fig. 1-4, an embodiment of the present application provides an endoscope system including a handle 1, a scope 2, and a scope sheath 3. Wherein, handle 1 is used for assisting medical personnel to take and remove operation such as mirror body 2. The endoscope body 2 is provided with an insertion part 22 which can be used for shooting, and medical staff can shoot by extending the insertion part 22 into the operation site so as to observe the condition in the operation site. The sheath 3 is used for partially accommodating the insertion portion 22, so that after the insertion portion 22 is inserted into the body cavity of the patient, liquid or medicament can be input into the body cavity of the patient, or the liquid in the body cavity of the patient can be pumped out, so that the body cavity of the patient can be cleaned or treated.

When specifically set, the scope 2 includes a scope housing 21 and a tubular insertion portion 22, and the insertion portion 22 is provided on the scope housing 21 and detachably connected to the distal end of the scope housing 21. The mirror body shell 21 is connected with the handle 1 in a near detachable way, so that the mirror bodies 2 with different types and sizes can be conveniently assembled with the handle 1 for use.

The sheath 3 is axially provided with through holes penetrating opposite ends thereof to partially house the insertion portion 22. The mirror sheath 3 is detachably arranged on the mirror body shell 21, so that the mirror sheath 3 with different types and sizes can be conveniently assembled with the mirror body 2.

Referring to fig. 1-5, a first channel 11 is provided on the handle 1, a mounting channel coaxial with the first channel 11 and/or a mounting guide slot 23 is provided on the mirror housing 21, a second channel 321 coaxial with the first channel 11 is provided in the mirror sheath 3, and the first channel 11, the second channel 321 and the mounting channel and/or the mounting guide slot 23 are coaxially communicated to form an operation channel of the endoscopic instrument.

Specifically, in one embodiment, the scope body 2 is provided with a mounting guide groove 23 coaxial with the first channel 11, and the mounting guide groove 23, the first channel 11 and the second channel 321 together form an instrument channel through which surgical instruments such as rongeurs, grinding drills, osteotomes and the like pass. In another embodiment, not shown, a mounting channel is provided in the body coaxial with the first channel, the mounting channel and the first and second channels together forming an instrument channel for the passage of surgical instruments such as rongeurs, drills, osteotomes and the like.

When the endoscope system is used, a proper scope body 2 and a proper scope sheath 3 can be selected according to the operation type and the requirement, then the scope body 2 and the handle 1 are assembled, the scope sheath 3 and the scope body 2 are assembled, after the endoscope system is assembled, medical staff can hold the handle 1 to extend the insertion part 22 into an operation part to pick up an image, observe the situation in the operation part, and simultaneously can input liquid or medicament into a body cavity of a patient through the scope sheath 3 or extract the liquid in the body cavity of the patient to realize cleaning or treatment of the body cavity of the patient; in addition, in performing operations in the fields of joints, hysteroscopes, abdominal cavities, and the like, surgical instruments such as rongeurs, abrasive drills, osteotomes, and the like may be passed through the handle 1, the scope body 2, and the scope sheath 3 through the first channel 11, the installation guide channel 23, and the second channel 321 to perform surgical operations on surgical sites within the body cavity of the patient.

According to the endoscope system, the handle 1, the endoscope body 2 and the endoscope sheath 3 are arranged in a detachable structure, so that operators can quickly replace the endoscope body 2 and the endoscope sheath 3 with different types and sizes in the operation process so as to adapt to the requirement of quickly replacing surgical instruments in the operation process, the safety of the operation is improved, and the endoscope sheath 3 is arranged as a disposable product, so that the possibility of additional bacteria caused by recycling the instruments is avoided, and the risk of surgical infection is reduced; in addition, the handle 1, the mirror body 2 and the mirror sheath 3 are arranged in a detachable structure, so that one operation department can cope with the requirements of operations in various fields on endoscope systems with different specifications by only providing a small number of handles 1 and different types and sizes of mirror bodies 2 and mirror sheaths 3, thereby reducing the purchase cost and the management cost of hospitals and further reducing the operation cost; and because the endoscope system can be used for surgical instruments to pass through for surgical operation without additionally establishing a channel, the application range is wider.

Referring to fig. 1, 2 and 5, in one embodiment, the sheath 3 is provided with an instrument tube 34 coaxial with and in communication with the second channel 321, the instrument tube 34 passing through the mounting channel and/or the mounting channel 23 and being received within the first channel 11. The instrument tube 34 may assist in the passage of a surgical instrument through the handle 1, scope 2, and scope sheath 3 via the first channel 11, mounting channel 23, and second channel 321 to perform a surgical procedure on a surgical site within a patient's body cavity.

Specifically, in one embodiment, one end of the instrument tube 34 is located inside the second channel 321 and is connected to the inner peripheral surface of the second channel 321, the other end of the instrument tube 34 is disposed on the first channel 11 in a penetrating manner and is in contact with the inner peripheral surface of the first channel 11, and the bottom surface of the middle part of the instrument tube 34 is in contact with the mounting guide groove 23, so that the stability of the instrument tube 34 on the handle 1, the mirror body 2 and the mirror sheath 3 is ensured.

In another embodiment, not shown, one end of the instrument tube is located inside the second channel and is connected to the inner peripheral surface of the second channel, the other end of the instrument tube is threaded on the first channel and contacts the inner peripheral surface of the first channel, the middle part of the instrument tube is threaded on the mounting channel and contacts the inner peripheral surface of the mounting channel, and the stability of the instrument tube on the handle, the mirror body and the mirror sheath is ensured.

In one embodiment, the mirror body 2 is in a snap-fit connection with the handle 1.

Referring to fig. 2-4, specifically, in one embodiment, the handle 1 is provided with a first bayonet structure 12, the mirror body 2 is provided with a first pressing handle 24, the first pressing handle 24 is provided with a first buckle 25, and the first buckle 25 can be clamped into the first bayonet structure 12 and can move relative to the mirror body 2 under the driving of the first pressing handle 24 so as to move out of the first bayonet structure 12. In another embodiment, not shown, the mirror body is provided with a first bayonet structure, the handle is provided with a first pressing handle, the first pressing handle is provided with a first buckle, and the first buckle can be clamped into the first bayonet structure and can move relative to the handle under the drive of the first pressing handle so as to move out of the first bayonet structure.

In addition, in order to improve the fixing effect between the mirror body 2 and the handle 1, at least two first bayonet structures 12, first pressing handles 24 and first fastening buckles 25 are provided, the two first pressing handles 24 are symmetrically disposed on two sides of the mirror body 2 with the axial direction of the insertion portion 22 of the mirror body 2 as an axis, and the two first fastening buckles 25 are respectively disposed on the two first pressing handles 24. The two first bayonet structures 12 are symmetrically arranged on two sides of the handle 1 by taking the axial direction of the insertion part 22 of the mirror body 2 as an axis. When the mirror body 2 is mounted on the handle 1, the two first buckles 25 are respectively snapped into the two first bayonet structures 12. When the mirror body 2 is detached from the handle 1, the two first pressing handles 24 are pressed to enable the two first buckles 25 to be separated from the two first bayonet structures 12 respectively, so that the mirror body 2 can be separated from the handle 1.

Referring to fig. 2, 4 and 7, in one embodiment, the handle 1 is provided with a mounting groove 13 in communication with the first bayonet structure 12, the mirror body 2 is provided with a mounting protrusion 26 matched with the mounting groove 13, and the first buckle 25 can be accommodated in the mounting groove 13 along with the mounting protrusion 26 and is in snap fit connection with the first bayonet structure 12.

Specifically, the side of the mirror body 2 facing the handle 1 is provided with a mounting projection 26 facing the handle 1, and the first pressing handle 24 is provided on the mounting projection 26. The handle 1 is provided with a mounting groove 13 facing the mirror body 2, and the first bayonet structure 12 is arranged on the groove wall of the mounting groove 13. That is, a slot for inserting the insertion portion 22 is provided on one side of the mirror housing 21, a mounting projection 26 is provided on the other side, and the slot and the mounting projection 26 are arranged in a staggered manner. It is understood that the offset placement of the socket and mounting boss 12 means that the central axis of the socket is not coaxial with the central axis of the mounting boss 12. When the mirror body 2 is mounted on the handle 1, the mounting protrusion 26 can be inserted into the mounting groove 13, so that the first buckle 25 enters the mounting groove 13 and gradually approaches the first bayonet structure 12 until being inserted into the first bayonet structure 12, and the fixation between the handle 1 and the mirror body 2 is realized.

More specifically, a sealing ring is further provided on the outer peripheral surface of the mounting protrusion 26, and the outer peripheral surface of the mounting protrusion 26 and the sealing ring are both in contact with the inner peripheral surface of the mounting groove 13, so as to ensure the connection stability and tightness between the lens body 2 and the handle 1 after the mounting is completed.

It should be noted that, referring to fig. 4 and 7, in order to ensure the electrical connection effect between the mirror body 2 and the handle 1. The mirror body 2 is provided with a first connector 27, the handle 1 is provided with a second connector 14 matched with the first connector 27, and the second connector 14 is detachably connected with the first connector 27. By connecting the first connector 27 with the second connector 14, current can be transferred between the first connector 27 and the second connector 14. The handle 1 is provided with a battery module, and the battery module is electrically connected with the second connector 14, and the battery module can transmit electric quantity to the first connector 27 through the second connector 14 so as to provide electric quantity for the mirror body 2.

Specifically, the first connector 27 is provided on the side of the mounting boss 26 facing the handle 1. The second connector 14 is provided on the side of the mounting groove 13 facing the mirror body 2. When the lens body 2 is mounted on the handle 1, the mounting protrusion 26 can be inserted into the mounting groove 13, so that the second connector 14 gradually approaches the first connector 27 until being inserted into the first connector 27 or contacting with the first connector 27, and the connection between the second connector 14 and the first connector 27 is realized, so that the handle 1 can provide the electric quantity required by the operation for the lens body 2.

The handle 1 is also provided with an insertion part and a main control part, a connecting circuit board electrically connected with the second connector 14 is arranged in the handle 1, the connecting circuit board and the insertion part are electrically connected with the main control part, the main control part is electrically connected with a battery module, and the battery module supplies power to the second connector 14, the insertion part and the main control part simultaneously. The main control part is provided with a first wireless communication module, the mirror body 2 is internally provided with a second wireless communication module which is matched with the first wireless communication module, and the second wireless communication module is electrically connected with the insertion part 22 of the mirror body 2. The user can give a signal to the main control unit through the insertion unit and transmit data information in a wireless communication mode, so that the handle 1 can control the insertion part 22 of the mirror body 2 to work through the insertion unit.

In summary, after the lens body 2 and the handle 1 are assembled, the second connector 14 is electrically connected with the first connector 27, and the battery module can provide electricity for the lens body 2 through the second connector 14 and the first connector 27, and control the insertion portion 22 of the lens body 2 to work through the insertion component, so that the lens body 2 can be used normally. After the mirror body 2 and the handle 1 are detached, the second connector 14 is separated from the first connector 27, the battery module cannot provide electric quantity for the mirror body 2 through the second connector 14 and the first connector 27, the mirror body 2 is in a power-off state, and at the moment, the mirror body 2 can be cleaned, disinfected or maintained.

It will be appreciated that in embodiments of the present application, the first connector 27 and the second connector 14 may be selected from mating connectors, spring contact connectors, TYPE-C connectors, USB connectors, and the like. Referring to fig. 1 and 2, in order to maintain the battery module in an amount of electricity, in one embodiment, a charging cable 15 and a power adapter 16 are provided on the handle 1, and the battery module is electrically connected to the power adapter 16 through the charging cable 15. After the power adapter 16 is plugged into the power outlet, the mains electricity can be led into the battery module via the charging cable 15 for a charging operation of the battery module.

Referring to fig. 3 and 4, in another embodiment, the endoscope system further includes a charging base 4, a charging cable 15, and a power adapter 16, the charging base 4 is electrically connected with the power adapter 16 through the charging cable 15, a first electrical connector 41 is disposed on the charging base 4, a second electrical connector 17 adapted to the first electrical connector 41 is disposed on the handle 1, and the second electrical connector 17 is electrically connected with the battery module. After the power adapter 16 is plugged into the power outlet, the utility power can be guided into the first electrical connector 41 by the charging cable 15, so that the battery module can be charged after the first electrical connector 41 is connected with the second electrical connector 17.

It will be appreciated that in the embodiment of the present application, the first electrical connector 41 and the second electrical connector 17 may be selected from mating connectors, spring contact connectors, TYPE-C connectors, USB connectors, and the like. The wireless charging structure has the advantages of easy cleaning, easy disinfection, small damage and infection and the like compared with the traditional wired equipment. The wireless charging transmitting coil and the wireless charging receiving coil can be annular coils or common plane coils.

Referring to fig. 1, 2, 5, 6 and 8, in one embodiment, the sheath 3 is snap-fit to the body 2. Specifically, in one embodiment, the mirror body 2 is provided with a second bayonet structure 28, the mirror sheath 3 is provided with a second pressing handle 35, the second pressing handle 35 is provided with a second buckle 36, and the second buckle 36 can be clamped into the second bayonet structure 28 and can move relative to the mirror sheath 3 under the drive of the second pressing handle 35 so as to move out of the second bayonet structure 28. In another embodiment, not shown, a second bayonet structure is provided on the sheath, a second pressing handle is provided on the mirror body, a second buckle is provided on the second pressing handle, and the second buckle can be clamped into the second bayonet structure and can move relative to the mirror body under the drive of the second pressing handle so as to move out of the second bayonet structure.

More specifically, referring to fig. 2 and 5, an endoscope channel 322 parallel to the second channel 321 is provided in the sheath 3. The middle part of the top surface of the second pressing handle 35 is connected with the bottom surface of the sheath 3, the second buckle 36 is arranged on one end part of the second pressing handle 35, and an operator can drive the second buckle 36 to move relative to the sheath 3 by pressing the other end part of the second pressing handle 35. The second bayonet structure 28 opens onto the bottom surface of the mirror body 2 and extends a distance into the interior of the mirror body 2. When the endoscope sheath 3 is mounted on the endoscope body 2, the insertion portion 22 of the endoscope body 2 can pass through the endoscope channel 322 of the endoscope sheath 3, so that the second bayonet structure 28 gradually approaches the second bayonet structure 36 until the second bayonet structure 36 is clamped into the second bayonet structure 28, and the fixation between the handle 1 and the endoscope body 2 is realized. When the sheath 3 is detached from the scope body 2, the second pressing handle 35 is pressed to release the second buckle 36 from the second bayonet structure 28, and then the sheath 3 is moved to separate the scope body 2 from the sheath 3.

Referring to fig. 6-8, in one embodiment, the sheath 3 is provided with a guide groove 37, the mirror body 2 is provided with a blocking ear 29 matching with the guide groove 37, and the second buckle 36 can be in snap connection with the second bayonet structure 28 when the blocking ear 29 is accommodated in the guide groove 37 and abuts against the guide groove 37.

Specifically, the guide groove 37 opens on the side of the sheath 3 facing the scope body 2, and extends a distance toward the inside of the sheath 3 in the axial direction of the endoscope channel 322. The blocking lug 29 is arranged on the side surface of the mirror body 2 facing the mirror sheath 3, when the insertion part 22 of the mirror body 2 passes through the endoscope channel 322 of the mirror sheath 3 and the mirror body 2 between the mirror sheath 3 and the mirror body is contracted, the blocking lug 29 gradually approaches the guide groove 37, the second bayonet structure 28 gradually approaches the second buckle 36, and after the second buckle 36 is clamped into the second bayonet structure 28, the blocking lug 29 is abutted with the guide groove 37, so that the fixation between the handle 1 and the mirror body 2 is realized.

Referring to fig. 7 and 8, in one embodiment, the mounting channel 23 and the second bayonet structure 28 are respectively disposed on two sides of the mirror body 2 facing away from each other to reasonably distribute the space of the mirror body 2. Specifically, the mirror body 2 has a top surface, a bottom surface, and four side surfaces connecting the top surface and the bottom surface. The mounting guide groove 23 and the second bayonet structure 28 are provided on the top and bottom surfaces of the mirror body 2, respectively, and the insertion portion 22, the first connector 27, and the two first press handles 24 are provided on four side surfaces, respectively. Wherein, two sides of the insertion part 22 and the first connector 27 are parallel to each other, and two sides of the first pressing handle 24 are parallel to each other.

Referring to fig. 5 and 9, in one embodiment, a liquid channel 323 and an endoscope channel 322 are also provided in the sheath 3, parallel to the second channel 321. The endoscope channel 322 is used for penetrating the insertion portion 22 of the endoscope body 2, and the liquid channel 323 is used for assisting an operator to perfuse and/or attract liquid to the diagnosis or treatment site so as to complete the corresponding diagnosis or treatment.

In order to make the sheath 3 have a simpler structure, so as to effectively reduce the difficulty of processing, producing and assembling the sheath 3, and further reduce the comprehensive cost of the sheath 3, the sheath 3 only comprises a connector 31, a sheath tube 32 and a catheter 33.

Specifically, referring to fig. 1, 5 and 9, an endoscope channel 322 and a second channel 321 parallel to the axis are provided inside the sheath tube 32, and the insertion portion 22 of the scope 2 and the surgical instrument can be respectively inserted through the endoscope channel 322 and the second channel 321 on the sheath tube 32, so that the sheath tube 32 partially accommodates the insertion portion 22 of the scope 2 and the surgical instrument. The insertion portion 22 of the scope body 2 and the surgical instrument can be inserted through the sheath 32, so that the surgical instrument can enter the human body simultaneously with the insertion portion 22 of the scope body 2, and the corresponding diagnosis or treatment can be completed in a matching manner. At least two liquid channels 323 parallel to the axis of the sheath tube 32 are further arranged inside the sheath tube 32, at least two guide tubes 33 are arranged, at least the guide tubes 33 are communicated with the at least two liquid channels 323 in a one-to-one correspondence manner, at least two jet hole groups 324 are arranged on the outer peripheral surface of the sheath tube 32, the at least two jet hole groups 324 are communicated with the at least two liquid channels 323 in a one-to-one correspondence manner, and the number of the liquid channels 323 and the guide tubes 33 is controlled to be two, so that the purpose of simultaneously pouring and sucking operation of the sheath tube 3 assembly can be achieved, the purpose of pouring two liquid agents can be achieved, and the operation efficiency is improved.

The connector 31 is used for connecting the sheath tube 32 and the catheter 33, so that the sheath tube 32 and the catheter 33 are communicated with each other. The conduit 33 is used for feeding liquid into the connector 31 or extracting liquid from the connector 31. That is, when it is necessary to clean the diagnosis or treatment site during the operation, the liquid is introduced into the connector 31 through the conduit 33, and is discharged through the injection hole group 324 of the sheath tube 32, so as to clean the diagnosis or treatment site; when it is desired to pump the fluid at the diagnosis or treatment site during the operation, the air inside the connector 31 is pumped through the conduit 33, so that the fluid at the diagnosis or treatment site can enter the sheath 32 through the injection hole group 324 and be pumped out through the connector 31 and the conduit 33.

More specifically, the connector 31 is internally provided with a fixing passage and a fixing port communicating with the fixing passage. The end of the sheath 32 is inserted into the fixing channel and connected with the connector 31 in an interference fit, and an adhesive is provided on the outer surface of the end of the sheath 32 to further fix the sheath 32 and the connector 31. The end of the sheath tube 32 is also provided with a limit groove, the inside of the working channel is provided with a limit table matched with the limit groove, and the limit table can be abutted with the limit groove when the end of the sheath tube 32 is fixed in the working channel. The fixed depth of the end of the sheath 32 in the connector 31 is limited by the cooperation of the limit groove and the limit table.

The sheath tube 32 is provided with a through hole through which liquid flows, the fixed port is communicated with the liquid channel 323, the end part of the catheter 33 is inserted into the fixed port and the inside of the through hole and is connected with the connecting part in an interference fit manner, the outer surface of the end part of the catheter 33 is provided with an adhesive, and the catheter 33 and the connecting part are further fixed by the adhesive.

Referring to fig. 9, along the radial direction of the sheath tube 32, the outer profile of the cross section of the sheath tube 32 is in a long hole shape, the outer profiles of the cross sections of the endoscope channel 322 and the second channel 321 are in two circles with the same diameter, two liquid channels 323 are arranged between the second channel 321 and the endoscope channel 322, the two liquid channels 323 are arranged in the sheath tube 32 with the axis of the sheath tube 32 as the axis symmetry, and the outer profiles of the cross sections of the two liquid channels 323 are in a triangle-like shape. The above structure makes the maximum use of the internal space of the sheath tube 32 without affecting the use of the sheath 3. Jet orifice group 324 includes a plurality of through-holes, and the plurality of through-holes are provided on sheath tube 32 along the axis of sheath tube 32 to perfuse and/or aspirate liquid through liquid channel 323 to the diagnostic or therapeutic site.

It will be appreciated that in the present application, the conduit 33 is a flexible tube for bending.

It should be noted that, referring to fig. 8, in order to ensure the photographing effect, in the embodiment of the present application, the optical coupling assembly 5 and the image transmission assembly 6 are disposed in the mirror body 2, and the optical coupling assembly 5 and the image transmission assembly 6 are electrically connected to the first connector 27. After the operator stretches the insertion portion 22 of the endoscope 2 into the body cavity of the patient, the in-vivo image of the body cavity of the patient can be obtained through the image conduction assembly 6, and the inside of the body cavity of the subject is illuminated through the optical coupling assembly 5, so that the image conduction assembly 6 can be assisted in obtaining a clear image of the body cavity of the patient.

Specifically, referring to fig. 4 and 8, the mirror body 2 includes a mirror body housing 21 and a tubular insertion portion 22, and the insertion portion 22 is provided on the mirror body housing 21. That is, the insertion portion 22 can be inserted into the mirror housing 21 through the insertion slot. The insertion portion 22 is made of stainless steel, and the mirror housing 21 is made of plastic. By integrally designing the stainless steel insertion portion 22, the plastic mirror body housing 21, the image transmission assembly 6 and the optical coupling assembly 5, the entire structure of the mirror body 2 can be simplified, and the production cost can be reduced. In addition, the lens housing 21 is further provided with a mounting cavity which is communicated with the slot and the mounting protrusion 26, and the mounting cavity can mount the image conduction component 6, the optical coupling component 5 and some heat dissipation components, so that the structure is more compact. And a ventilation structure communicated with the mounting cavity can be arranged on the mirror body shell 21 so as to help the optical coupling assembly 3 to dissipate heat.

The optical coupling assembly 5 includes a light emitter 51 and an illumination fiber bundle 52, the first connector 27 is provided on the mirror housing 21, the light emitter 51 is provided in the mirror housing 21 and electrically connected to the first connector 27, and the illumination fiber bundle 52 is provided in the insertion portion 22 and connected to the light emitter 51. After the first connector 27 is connected to the second connector 14, the light emitter 51 may be powered to illuminate the light coupling assembly 5. By arranging the light emitter 51 in the mirror body housing 21, the light emitter 51 does not occupy the space in the insertion part 22, the illumination optical fiber bundle 52 is arranged in the insertion part 22, and the insertion part 22 can have smaller pipe diameter by utilizing the characteristic that the illumination optical fiber bundle 52 occupies small space so as to meet the clinical application requirements of various small-size requirements, thereby expanding the application range of the application scene; and because the illuminator 51 generating heat is arranged in the mirror body shell 21, the far end of the inserting part 22 does not have the heat loss generated by the electro-optical conversion, so that the illumination optical fiber bundle 52 in the inserting part 22 can not emit a large amount of heat energy when in use, the overtemperature risk is avoided, and the burn phenomenon of a patient can not be generated.

The image transmission assembly 6 includes a lens member 61, an image sensor 62, and an image sensing optical fiber bundle 63, the image sensor 62 being disposed in the mirror housing 21 and electrically connected to the first connector 27, the image sensing optical fiber bundle 63 being disposed in the insertion portion 22, and the second lens member 61 being disposed in the mirror housing 21 between the image sensor 62 and the image sensing optical fiber bundle 63. After the first connector 27 is connected to the second connector 14, the image sensor 62 may be powered to convert the received optical image into an electronic signal, and the image-transmitting optical fiber bundle 63 is used to transmit the optical image located at the distal end of the insertion portion 22 to the image sensor 62 through the lens member 61, so that the doctor can grasp the situation at the distal end of the insertion portion 22 from the display electrically connected to the image sensor 62. And the lens component 61 and the image sensor 62 are arranged in the lens body housing 21, so that the lens component 61 and the image sensor 62 cannot occupy the space in the insertion part 22, the image transmission optical fiber bundle 63 is arranged in the insertion part 22, and the insertion part 22 can have smaller pipe diameter by utilizing the characteristic that the image transmission optical fiber bundle 63 occupies small space so as to meet the clinical application requirements of various small-size requirements, and further expand the range of application scenes of the image transmission optical fiber bundle.

In addition, referring to fig. 4, 8 and 10, the proximal end of the insertion portion 22 is connected to the lens housing 21, and the lens 7 is provided on the distal end of the insertion portion 22 to protect the optical coupling assembly 5 and the image transmission assembly 6 within the insertion portion 22 through the lens 7. The included angle between the lens 7 and the axis of the insertion portion 22 is a right angle or an acute angle, so as to meet the clinical application requirements of various angle viewing angles.

Specifically, referring to fig. 10, in one embodiment, the angle between the lens 7 and the axis of the insertion portion 22 is a right angle, and the lens 7 contacts the optical coupling element 5 and the image transmission element 6 to further enhance the stability between the lens 7 and the optical coupling element 5 and the image transmission element 6.

Referring to fig. 11, in another embodiment, the angle between the lens 7 and the axis of the insertion portion 22 is an acute angle, and a reflecting prism member 8 is disposed between the lens 7 and the optical coupling assembly 5 and the image transmission assembly 6. The reflecting prism member 8 has a standard shape of 0 °, 30 °, 45 °, 70 °, etc., and different shapes can show different viewing angles, so that it is possible to satisfy various clinical application requirements under different slave surgical scenes (for example, different shaped joints, different portions, etc.), and an operator can select the endoscope body 2 having the appropriate distal end 22 according to the requirements when using the endoscope body. In addition, the reflecting prism member 8 may be manufactured at other angles matching the lens 7 according to the requirements, in order to effectively avoid the problems of shading, blocking light, etc. affecting the imaging of the endoscope.

In one embodiment, the handle 1 further comprises a housing accommodating the second connector 14. The shell comprises a connecting section, a transition section and a holding section which are sequentially connected, wherein the transition section is of an arc-shaped columnar structure, so that an included angle between the connecting section and the holding section is an obtuse angle, a user can drive the connecting section to operate after holding the holding section by hand, the endoscope handle is convenient to cooperate with an endoscope instrument, and the operation is convenient for an operator to hold.

In addition, the handle is also provided with a key assembly in signal connection with the optical coupling assembly 5 and the image conduction assembly 6, and the key assembly is arranged on the holding section so that a user can control the key assembly after holding the holding section by hand. Part of the key assembly protrudes out of the outer surface of the shell so that a user can press the key assembly.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. An endoscope system, comprising:

The handle is provided with a first channel;

The endoscope comprises an endoscope body shell and an insertion part, wherein the proximal end of the endoscope body shell is detachably connected with the handle, the endoscope body shell is provided with a mounting channel coaxial with the first channel and/or a mounting guide groove, and the insertion part is detachably connected with the distal end of the endoscope body shell;

The mirror sheath is detachably arranged on the mirror body shell, and a second channel coaxial with the first channel is arranged in the mirror sheath;

The first channel, the second channel and the mounting channel, and/or the mounting guide groove are coaxially communicated to form the endoscopic instrument operation channel.

2. An endoscope system according to claim 1 and wherein said sheath is provided with an instrument tube coaxial with and communicating with said second channel, said instrument tube passing through said mounting channel and/or said mounting channel and being received within said first channel.

3. The endoscope system of claim 1, wherein an endoscope channel is further provided within the sheath parallel to the second channel, the insertion portion passing through the endoscope channel.

4. An endoscope system according to claim 3 and wherein said sheath further comprises at least two fluid channels disposed parallel to said second channel, said at least two fluid channels each disposed between said second channel and said endoscope channel.

5. The endoscope system of claim 1, wherein the scope housing is snap-fit with the handle and the scope sheath is snap-fit with the scope housing.

6. The endoscope system of claim 1, wherein the handle is provided with a first bayonet structure, the endoscope housing is provided with a first pressing handle, the first pressing handle is provided with a first buckle, and the first buckle can be clamped into the first bayonet structure and can move relative to the endoscope housing under the drive of the first pressing handle so as to move out of the first bayonet structure.

7. The endoscope system of claim 6, wherein the handle is provided with a mounting groove communicated with the first bayonet structure, the endoscope body housing is provided with a mounting protrusion matched with the mounting groove, and the first buckle can be accommodated in the mounting groove along with the mounting protrusion and is in clamping connection with the first bayonet structure.

8. The endoscope system according to claim 1, wherein a second bayonet structure is provided on the endoscope housing, a second pressing handle is provided on the sheath, a second buckle is provided on the second pressing handle, and the second buckle can be clamped into the second bayonet structure and can move relative to the sheath under the drive of the second pressing handle so as to move out of the second bayonet structure.

9. The endoscope system of claim 8, wherein the mounting channel and the second bayonet structure are disposed on opposite sides of the housing, respectively.

10. The endoscope system according to claim 8, wherein the sheath is provided with a guide groove, the sheath housing is provided with a stop lug matched with the guide groove, and the second buckle can be in clamping connection with the second bayonet structure when the stop lug is accommodated in the guide groove and is abutted with the guide groove.