CN210520934U

CN210520934U - Disposable endoscope

Info

Publication number: CN210520934U
Application number: CN201920768446.7U
Authority: CN
Inventors: 李奕; 刘红宇; 孙平
Original assignee: Daichuan Medical Shenzhen Co ltd; Shenzhen Xianzan Technology Co ltd
Current assignee: Daichuan Medical Shenzhen Co ltd; Shenzhen Xianzan Technology Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-05-15
Anticipated expiration: 2029-05-24

Abstract

The utility model provides a disposable endoscope. The disposable endoscope includes a handle and a coupling device. A first joint is accommodated in the housing of the handle. The shell is provided with a jack portion, a through hole is formed in the bottom of the jack portion, and the first connector and the through hole are arranged oppositely. One end of the connecting device is provided with a plug part, a second connector is arranged in the plug part, the plug part is detachably connected with the jack part, the second connector is electrically connected with the first connector, a digital signal processing circuit is arranged in the plug part, and the second connector is electrically connected with the digital signal processing circuit. The handle of the disposable endoscope is discarded after being used, the connecting device does not need to be discarded, the reserved connecting device can be used for multiple times, resource waste is avoided, and the use cost is saved.

Description

Disposable endoscope

Technical Field

The utility model relates to an endoscope part, in particular to a disposable endoscope.

Background

An endoscope is a medical detection instrument which can be inserted into a body cavity or viscera of a human body to perform direct observation, diagnosis and treatment. Generally, the surgical instrument includes an insertion portion that is insertable into a body cavity or an organ, and a handle that is held by an operator. The insert often includes an image sensor, an optical lens, a light source illumination and/or mechanical devices, etc. The endoscope can collect image signals through the optical lens and the image sensor, transmit the image signals to the host through the output lead at the handle end, and display the image signals through the host.

However, the existing endoscopes are all integrated, and the insertion part cannot be separated from the handle. Due to the requirement of the medical use of the human body for the hygiene of the endoscope, the endoscope is mostly discarded in its entirety after being used once. Parts which do not enter the human body are discarded, so that resource waste is caused, and the use cost is also increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an avoid wasting of resources's disposable endoscope.

A disposable endoscope, comprising:

the handle comprises a shell, a first joint is contained in the shell, the shell is provided with a jack part, the bottom of the jack part is provided with a via hole, and the first joint and the via hole are arranged oppositely; and

one end of the connecting device is provided with a plug part, a second joint is arranged in the plug part, the plug part is detachably connected with the jack part, the second joint is electrically connected with the first joint, a digital signal processing circuit is arranged in the plug part, and the second joint is electrically connected with the digital signal processing circuit.

In other embodiments, the jack portion is provided with an annular convex edge, a guide rail is arranged on the inner side wall of the convex edge, the guide rail extends to the via hole from an outer opening of the convex edge, and the second connector moves to the via hole along the guide rail.

In another embodiment, the guide rail is provided in plurality, and the guide rails are oppositely disposed on both sides of the inner side wall of the protruding edge.

In another embodiment, the plug portion is snap-fit connected to the receptacle portion.

In other embodiments, the plug portion is rotatably disposed at an outer side of the second joint, an elastic member is rotatably sleeved at the outer side of the second joint, the plug portion is in driving connection with the elastic member, the plug portion rotates to enable the elastic member to elastically deform, the plug portion is in clamping connection with the convex edge, and the elastic member restores to elastically deform.

In another embodiment, a slide rail is arranged on the outer side wall of the convex edge, the slide rail is provided with a clamping part, the plug part is provided with a clamping protrusion, and the clamping protrusion is clamped and connected with the clamping part.

In another embodiment, the slide rail further includes a guide portion extending from an outer opening of the protruding edge to the locking portion, and the engaging protrusion slides along the guide portion until the locking portion engages with the guide portion.

In other embodiments, the housing has a slope for guiding on an inner sidewall of the through hole.

In other embodiments, the digital signal processing circuit includes a chip, and the chip is housed in the plug portion.

In other embodiments, a first installation mark is arranged on the outer side wall of the jack portion, a second installation mark is arranged on the plug portion, the plug portion is matched and plugged with the jack portion, and the first installation mark is opposite to the second installation mark.

In the disposable endoscope, the connecting device is detachably connected with the handle. When the disposable endoscope is used, the connecting device can be detached from the shell of the handle, so that the connecting device is prevented from being discarded together with the handle. Because the connecting device can not be polluted in the using process of the disposable endoscope, the connecting device does not need to be discarded, the reserved connecting device can be used for multiple times, the resource waste is avoided, and the use cost is saved.

Drawings

Fig. 1 is a perspective view of a disposable endoscope of the present embodiment;

FIG. 2 is a partially exploded view of the disposable endoscope shown in FIG. 1;

FIG. 3 is a schematic diagram of the electrical modules of the disposable endoscope shown in FIG. 1;

FIG. 4 is an exploded view from another perspective of the disposable endoscope shown in FIG. 2;

FIG. 5 is an exploded view from another perspective of the disposable endoscope shown in FIG. 2;

FIG. 6 is a perspective view of the attachment device of the disposable endoscope shown in FIG. 1;

fig. 7 is a cross-sectional view of the connection device shown in fig. 6.

The reference numerals are explained below: 10. a handle; 11. a housing; 111. a via hole; 112. a socket portion; 113. a convex edge; 114. a guide rail; 115. a bevel; 116. a slide rail; 117. a locking part; 118. a guide portion; 12. a drive section; 121. a rotating wheel; 13. a connecting device; 130. a digital signal processing circuit; 131. a plug portion; 132. a second joint; 133. connecting a lead; 1321. a base; 1322. a joint portion; 134. clamping the protrusion; 135. an elastic member; 136. a transition section; 137. a chip; 14. a first installation identifier; 15. a second installation identifier; 16. an insertion portion; 161. an insertion tube; 162. a bending section; 163. a head end; 164. an image acquisition module; 20. a host.

Detailed Description

While the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail only some specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.

Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, directional references (such as upper, lower, left, right, front and rear) are used to explain the structure and movement of the various elements of the invention not absolutely, but relatively. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

The preferred embodiments of the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a disposable endoscope. The disposable endoscope can be used for discarding parts after being used, so that the sanitation degree of the endoscope can be improved, and the safe use of a patient can be ensured.

Referring to fig. 1, the disposable endoscope includes a handle 10, a connecting device 13, and an insertion portion 16. The connection device 13 electrically connects the handle 10 of the disposable endoscope with the host machine. The insertion part 16 is used to enter the body cavity, and the insertion part 16 may gradually enter the affected part as the body cavity is bent. The insertion portion 16 is connected to the handle 10 of the disposable endoscope. The insertion portion 16 includes an insertion tube 161, a bent portion 162, and a head end 163.

Referring to fig. 2 and 3, the handle 10 of the disposable endoscope of the present embodiment includes a housing 11. The housing 11 accommodates a first joint 110. The head end 163 is provided with an image acquisition module 164. The image acquisition module 164 acquires image signals inside the internal body cavity of the human body. The first connector 110 is electrically connected to the image capture module 134.

Housing 11 has a through hole 111, and housing 11 has a socket 112. Via 111 is located at the bottom of receptacle section 112. The first tab 110 is disposed opposite to the via hole 111. The connecting device 13 has a plug portion 131 at one end thereof. A second connector 132 is provided in the plug portion 131. The plug portion 131 is detachably connected to the jack portion 112. The second connector 132 is electrically connected to the first connector. A digital signal processing circuit 130 is provided in the plug portion 131, and a second connector 132 is electrically connected to the digital signal processing circuit 130.

The image signal is transmitted to the digital signal processing circuit 130 through the first connector and the second connector 132. The digital signal processing circuit 130 may perform processing such as compressing the data amount, amplifying the signal intensity, and the like on the image signal.

The connection device 13 further comprises a connection wire 133, the second terminal is electrically connected to the connection wire 133, and one end of the connection wire 133 is used for connecting with the host 20. The other end of the connection device 13 is used for connection with the host 20. Thereby realizing the electrical connection between the first connector and the host 20 through the connecting device 13. The image signal can be processed by the digital signal processing circuit 130 and then transmitted to the host 20, and the host 20 can complete the final processing of the image signal. The disposable endoscope can be electrically connected between the first connector 110 and the second connector 132 by detachably connecting the handle 10 and the connecting device 13, so as to ensure that signals can be transmitted to the host 20 for signal processing. And, when the plug portion 131 and the socket portion 112 are detached from each other, the connecting device 13 is detached from the handle 10. In the using process of the disposable endoscope, only the handle 10 is polluted, so that only the handle 10 needs to be discarded, the connecting device 13 can be reserved for recycling, the connecting device 13 is prevented from being discarded along with the handle 10, resource waste is avoided, and the using cost is saved.

In particular, in this embodiment, the housing 11 provides a general outer shape to the handle of the disposable endoscope. The housing 11 provides a load bearing function. The housing 11 is of injection molded construction. Referring to fig. 1, the handle 10 is provided with a driving portion 12. The handle 10 is drivingly connected to the curved portion 162 via the drive portion 12.

The driving part 12 includes a plurality of rotating wheels 121. The plurality of rotating wheels 121 are coaxially arranged up and down. The rotary wheel 121 is connected to the bending part 162 by a traction wire (not shown), and the rotary wheel 121 rotates to drive the traction wire to move, thereby operating the bending direction of the bending part 162. The handle 10 of the disposable endoscope controls the operation such as the forward movement and bending of the bending portion 162 by operating the driving portion 12.

The housing 11 is provided with a receiving cavity. The receiving cavity is used for receiving components such as the first connector 110. The housing 11 is provided with a via hole 111. The via 111 is used to connect the first connector 110 with the second connector 132. The via hole 111 is provided with a jack portion 112. Jack portion 112 is provided around hole 111. Via hole 111 opens at the bottom of jack portion 112.

It is understood that jack portion 112 may be provided in the housing cavity of housing 11, and jack portion 112 is provided inside via hole 111. Alternatively, the insertion hole portion 112 may be disposed on an outer side wall of the housing 11, and the insertion hole portion 112 is disposed around the through hole 111 on an outer side of the housing 11.

The connecting device 13 is substantially linear, and the plug portion 131 is located at one end of the connecting device 13, and the other end of the connecting device is provided with a plug or a jack for connection of a host. The plug portion 131 is a circular cavity structure.

The digital signal processing circuit 130 also includes a chip 137. The chip 137 may be an image processing chip or a position positioning chip. The second connector 132 and the chip 137 may be accommodated in the plug portion 131, and the connecting wire 133 extends from the plug portion 131 to the other end of the connecting device 13. The connection wire 133 is electrically connected to the host 20.

Since the image signal collected by the image collecting module 164 at the head end is not convenient for long-distance transmission, it needs to be amplified by the image processing chip and then transmitted. The chip 137 is disposed in the connecting device 13, so that the problem of signal transmission distance can be solved, and the image signal amplified by the chip 137 can be conveniently and accurately transmitted to the host 20 for signal processing. Moreover, the chip 137 is placed in the connecting device 13, and cannot be discarded, and can be retained together with the connecting device 13, thereby further avoiding resource waste and saving the cost of the disposable endoscope.

Referring to fig. 4, the plug portion 131 is detachably connected to the socket portion 112, and the second connector 132 is electrically connected to the first connector. The handle of the endoscope is electrically connected to the chip inside the connector 13 through the second connector 132 and the first connector, so that other electrical signals such as image signals collected by the endoscope can be transmitted to the host.

Referring to fig. 2 again, in the present embodiment, the insertion hole portion 112 is provided with a ring-shaped convex edge 113. The protruding edge 113 is protruded from the outer side wall of the housing 11. Raised edge 113 is disposed around via 111.

The inner side wall of the convex edge 113 is provided with a guide rail 114. The rail 114 extends from the opening of the ledge 113 to the opening of the via 111. The extension direction of the guide rail 114 is parallel to the axial direction of the convex rim 113.

The guide rail 114 is a plurality of rails. The guide rails 114 are oppositely disposed at both sides of the inner sidewall of the ledge 113. The guiding space defined by the plurality of guide rails 114 is adapted to the shape of the second joint 132, so that the second joint 132 can be limited in the guiding space, and the second joint 132 is prevented from being dislocated during the insertion and movement process, which affects the smooth connection between the second joint 132 and the first joint.

Referring to fig. 4 again, the plug portion 131 is in a horn shape, one end has a larger caliber and a larger caliber, and the other end has a smaller caliber and a smaller caliber. The second fitting 132 is disposed proximate the large mouth end. The large opening end and the convex edge 113 of the jack part 112 are in butt joint with each other.

Specifically, in the present embodiment, the second connector 132 further includes a base 1321 and a connector portion 1322. The tab 1322 is mounted to the base 1321.

When the second connector 132 is inserted into the plug portion 131, the base 1321 of the second connector 132 and the rail 114 abut against each other. The second joint 132 moves to the opening of the via hole 111 along the guide space defined by the guide rail 114. The tab portion 1322 of the second tab 132 is inserted into the via 111. Therefore, when the second connector 132 is mated with the first connector, the base 1321 of the second connector 132 can contact the guide rail 114, and the guide rail 114 can prevent the second connector 132 from being displaced, so as to ensure that the connector portion 1322 of the second connector 132 can be aligned with the opening of the via 111.

Referring again to fig. 2, in the present embodiment, the guide rails 114 are ribs. The guide rail 114 includes three. The three guide rails 114 are distributed in a triangular shape on the inner side wall of the convex edge 113. Therefore, the three guide rails 114 all abut against the outer side wall of the second joint 132, so that the stress of the second joint 132 is kept balanced, and the second joint can stably move along the guide rails 114.

It is understood that the guide rail 114 can be a guide groove, and the second connector 132 is provided with a protruding structure matching with the guide groove, as long as the guide function is achieved between the guide rail 114 and the second connector 132.

In other embodiments, the number of the guide rails 114 may be four or five, and the plurality of guide rails 114 may be uniformly distributed around the outer periphery of the second joint 132. At least two guide rails 114 of the plurality of guide rails 114 can be oppositely arranged on two opposite sides of the second joint 132, so that the stress of the second joint 132 is balanced.

And, the inner sidewall of the via hole 111 is provided with a slope 115. The slope 115 is inclined toward the outside of the housing 11. The aperture size of the via hole 111 gradually increases in the direction from the inside to the outside along the housing 11. Therefore, the slope 115 makes the diameter of the via hole 111 toward the outside of the housing 11 larger than the diameter of the via hole 111 toward the inside of the housing 11. When the second connector 132 enters the via hole 111, the inclined surface 115 may guide the second connector 132, so that the second connector 132 can smoothly enter the via hole 111.

Specifically, in the present embodiment, the plug portion 131 is engaged with the receptacle portion 112. It is understood that the plug portion 131 and the socket portion 112 can also be detachably connected by a fastening nut, a latch, and the like.

The plug portion 131 is an annular structure, and the plug portion 131 is sleeved outside the second connector 132. The plug portion 131 protects the second connector 132 at an outer side of the second connector 132.

Referring to fig. 5 again, the outer side wall of the protruding edge 113 is provided with a sliding rail 116. The slide rail 116 is provided with a locking portion 117. The inner sidewall of the plug portion 131 is provided with a catching protrusion 134. The engaging projection 134 engages with the engaging portion 117. Specifically, in the present embodiment, the locking portion 117 is a bent structure, and a detent is formed on an outer side wall of the protruding edge 113 to cooperate with the engaging protrusion 134 for locking.

The slide rail 116 is also provided with a guide 118. The guide portion 118 is a smooth guide surface. The guide portion 118 extends from the outer opening of the flange 113 to the locking portion 117. A catching projection 134 is provided near the outer opening of the plug portion 131. When plug portion 131 is fitted into and connected to socket portion 112, engaging projection 134 slides smoothly along guide portion 118 to engaging portion 117, and is engaged in engaging portion 117. The locking portion 117 protrudes from the guide portion 118, and moves along the guide portion 118 to the locking portion 117. The guide portion 118 smoothly transitions to the locking portion 117, so that the engaging projection 134 can smoothly slide to the locking portion 117.

The plug portion 131 is rotatably provided outside the second joint 132. The plug portion 131 can rotate relative to the second connector 132, that is, when the second connector 132 moves along the guide rail 114, the plug portion 131 can rotate relative to the second connector 132, so that the plug portion 131 can move to the latch portion 117 and can be mutually latched with the latch portion 117.

Referring to fig. 6 and 7, an elastic member 135 is rotatably sleeved outside the second joint 132. Plug portion 131 is drivingly connected to elastic member 135, and rotation of plug portion 131 elastically deforms elastic member 135, and plug portion 131 engages with ledge 113, and elastic member 135 returns to elastically deform. When the plug portion 131 rotates relative to the second connector 132, the plug portion 131 drives the elastic member 135 to rotate. The elastic member 135 rotates to elastically deform the elastic member 135. When the engaging protrusion 134 is engaged with the engaging portion 117, the elastic member 135 is elastically deformed, so that the engaging protrusion 134 can be stably engaged with the engaging portion 117.

It is understood that the elastic member 135 is a torsion spring. One end of the torsion spring is connected to the plug portion 131, and the other end is fixedly connected to the second connector 132. The plug portion 131 rotates relative to the second joint 132, so that the two torsion arms of the torsion spring relatively rotate, thereby elastically deforming the torsion spring.

When the engaging projection 134 slides into the locking portion 117, the torsion spring is elastically deformed, and the engaging projection 134 can be stably engaged with the locking portion 117.

Specifically, in the present embodiment, the engaging protrusion 134 has a rectangular convex pillar structure. The shape of the engaging protrusion 134 is not limited herein, as long as the engaging connection can be achieved.

Also, the connection device 13 further comprises a transition portion 136. One end of the transition portion 136 is connected to the small-mouth end of the plug portion 131. The transition portion 136 is a tapered tubular structure. The transition portion 136 has a diameter gradually decreasing from one end near the small-mouth end of the plug portion 131 toward the other end. The transition portion 136 is used to gather the connecting wires 133. The connecting wire 133 is led out from one end of the transition portion 136. In addition, the transition part 136 and the plug part 131 smoothly transition to each other, so that the operator can hold and rotate the plug part 131 conveniently.

Referring to fig. 2 again, the outer side wall of the protruding edge 113 is provided with a first installation mark 14. The plug portion 131 is provided with the second mounting mark 15. The plug portion 131 is inserted into the ledge 113, and the first mounting mark 14 is opposite to the second mounting mark 15. When the protruding edge 113 and the insertion hole portion 112 are mutually matched and inserted, the first installation mark 14 and the second installation mark 15 can play a fool-proof role.

Specifically, in the present embodiment, the first mounting mark 14 is a through hole. When the plug portion 131 is inserted into the protruding edge 113, the second installation mark 15 can be displayed through the through hole for the operator to check and confirm.

Therefore, in the disposable endoscope of the above-described embodiment, when the use operation of the endoscope is completed, since the portion of the connection device 13 does not enter the human body and the portion of the connection device 13 is not contaminated, there is no risk of the patient to use the connection device 13 repeatedly, because the connection device 13 is mutually contaminated. Therefore, the disposable endoscope can ensure safe use, simultaneously can reduce discarded and wasted elements as much as possible, and saves cost.

Moreover, the plug portion of the handle 10 is matched with the plug portion 131 of the connecting device 13, when the plug portion 131 is butted with the plug portion, accurate alignment is not needed, and only the plug portion is aligned in the general direction, so that the handle is automatically guided, automatically locked and convenient to operate.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. A disposable endoscope, comprising:

2. The disposable endoscope of claim 1, wherein the socket portion has an annular flange, the flange having a guide track on an inner sidewall thereof, the guide track extending from an outer opening of the flange to the through hole, the second connector moving along the guide track to the through hole.

3. The disposable endoscope of claim 2, wherein said guide rail is a plurality of rails, and a plurality of said rails are oppositely disposed on both sides of an inner sidewall of said convex edge.

4. The disposable endoscope of claim 1, wherein the plug portion is snap-fit connected to the socket portion.

5. The disposable endoscope of claim 2, wherein the outer side wall of the protruding edge is provided with a slide rail, the slide rail is provided with a clamping part, the plug part is provided with a clamping protrusion, and the clamping protrusion is clamped and connected with the clamping part.

6. The disposable endoscope of claim 5, wherein said slide rail is further provided with a guide portion extending from an outer opening of said ledge to said latch portion, said engaging projection sliding along said guide portion until said latch portion engages.

7. The disposable endoscope of claim 2, wherein the plug portion is rotatably disposed outside the second joint, an elastic member is rotatably sleeved outside the second joint, the plug portion is drivingly connected to the elastic member, the elastic member is elastically deformed by the rotation of the plug portion, the plug portion is engaged with the convex edge, and the elastic member is elastically deformed.

8. The disposable endoscope of claim 1, wherein the housing has a ramp surface on the inner sidewall of the through hole for guiding.

9. The disposable endoscope of claim 1, wherein the digital signal processing circuitry comprises a chip, the chip being housed within the plug portion.

10. The disposable endoscope of claim 1, wherein a first mounting mark is provided on an outer sidewall of the socket portion, a second mounting mark is provided on the plug portion, the plug portion is inserted into the socket portion, and the first mounting mark is opposite to the second mounting mark.