CN212630719U - Endoscope with a detachable handle - Google Patents

Abstract

The utility model provides an endoscope, which comprises a handle, a connecting cable and a protective sleeve, wherein the handle comprises a handle main body and a connecting part arranged on the handle main body; one end of the connecting cable is detachably connected with the connecting part of the handle, and the other end of the connecting cable is used for being connected with the host machine so as to electrically connect the endoscope with the host machine; the two ends of the protective sleeve are open and the interior of the protective sleeve is hollow; one end of the protective sleeve is fixed on the handle main body and sleeved outside the connecting part, so that the connecting cable penetrates through the inner cavity of the protective sleeve. The protective sleeve is fixedly connected with the handle main body, and the connecting cable is arranged in the inner cavity of the protective sleeve in a penetrating mode. To reuse's connecting cable, this connecting cable can dismantle with the handle and be connected the back, and protective case can be with the whole cladding of connecting cable to isolated connecting cable and handle prevent that medical personnel from touching connecting cable, on avoiding connecting cable to go up the germ and spreading the handle, thereby guarantee reuse connecting cable's endoscope operation process's security.

Description

Endoscope with a detachable handle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an endoscope.

Background

An endoscope is a commonly used medical apparatus, which can enter into a patient through a natural duct of the human body or an incision formed by an operation, so that medical staff can observe a diseased part in the patient and perform treatment in a targeted manner.

To ensure the safety of the operation, the endoscope may be provided for one-time use. At present, disposable endoscope products are divided into two types, one type is that the endoscope is discarded integrally, and an operation part and a connecting cable are discarded together; the other is that the connecting cable and the operation part in the endoscope are designed in a body mode, when the endoscope is discarded, the connecting cable is reserved for subsequent use, and only the operation part is discarded.

In the actual use process, the first integral type is abandoned, so that the cost is high and the resource waste is large; the second is relatively economical, but the connecting cable can not guarantee the completeness of cleaning when being used for the second time, and medical personnel easily bring germs on the connecting cable into other parts of the endoscope when using the connecting cable, so that the germs enter the body of a patient, and the safety of the endoscopic surgery is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve prior art's endoscope, the connecting cable can't guarantee abluent completeness when the secondary is used, and medical personnel bring the germ on the connecting cable into other positions of endoscope easily when using, and then lead to the germ to get into the disease internal, seriously influence the technical problem of endoscopic surgery's security.

In order to solve the technical problem, the utility model provides an endoscope, which comprises a handle, a connecting cable and a protective sleeve, wherein the handle comprises a handle main body and a connecting part arranged on the handle main body; one end of the connecting cable is detachably connected with the connecting part of the handle, and the other end of the connecting cable is used for being connected with a host machine so as to electrically connect the endoscope with the host machine; the two ends of the protective sleeve are open and the interior of the protective sleeve is hollow; one end of the protective sleeve is fixed on the handle main body and sleeved outside the connecting part, so that the connecting cable penetrates through the inner cavity of the protective sleeve.

Optionally, the protection sleeve is of a pre-folded pipe body structure, and the protection sleeve in the unfolded state can be sleeved and wrapped outside the connection cable.

Optionally, the protective sleeve is a corrugated tube.

Optionally, the endoscope further comprises a connecting ring, the connecting ring is fixed on the inner wall of the protective sleeve and is arranged close to the end portion, connected with the handle body, of the protective sleeve, and the connecting ring is used for being fixed with the handle body.

Optionally, the connection ring is a plastic ring or a metal ring.

Optionally, the protective sleeve is a polyethylene tube, a polypropylene tube, a polyurethane tube, or a polyvinyl chloride tube.

Optionally, the protective sleeve and the handle are in a hot-press combination structure.

Optionally, the protective sleeve and the handle are in an ultrasonic welding structure.

Optionally, the protective sleeve has a length greater than or equal to a length of the connection cable.

According to the above technical scheme, the beneficial effects of the utility model are that:

in the endoscope of the utility model, the protective sleeve is fixedly connected with the handle main body, and the connecting cable is arranged in the inner cavity of the protective sleeve in a penetrating way. To reuse's connecting cable, this connecting cable can dismantle with the handle and be connected the back, and protective case can be with the whole cladding of connecting cable to isolated connecting cable and handle prevent that medical personnel from touching connecting cable, on avoiding connecting cable to go up the germ and spreading the handle, thereby guarantee reuse connecting cable's endoscope operation process's security.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the endoscope of the present invention;

FIG. 2 is a schematic view of the handle and insert of the endoscope shown in FIG. 1;

FIG. 3 is a schematic configuration of a connection cable in the endoscope shown in FIG. 1;

fig. 4 is a schematic view of the structure of the protective sheath and the coupling ring in the endoscope shown in fig. 1.

The reference numerals are explained below: 100. an endoscope; 10. a handle; 11. a handle body; 111. a housing; 112. operating a hand wheel; 113. a control button; 114. connecting grooves; 12. a connecting portion; 20. connecting a cable; 21. a plug-in part; 22. a transition section; 23. a cable portion; 30. protecting the sleeve; 40. an insert; 41. a fixed part; 42. a bending section; 43. a head end portion; 50. and (7) connecting rings.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

The present application provides an endoscope that is a split-type disposable endoscope. The disposable endoscope is discarded in partial structure after being used, so that cross infection among human bodies is avoided, and the safety of the endoscope operation is ensured.

Referring to fig. 1 to 3, an endoscope 100 according to an embodiment of the present application includes a handle 10, a connection cable 20, and a protection sleeve 30. The handle 10 includes a handle body 11 and a connecting portion 12 provided on the handle body 11. One end of the connection cable 20 is detachably connected to the connection portion 12 of the handle 10, and the other end is used for connection to a host computer to electrically connect the endoscope 100 to the host computer. The two ends of the protection sleeve 30 are open and hollow, and one end of the protection sleeve 30 is fixed on the handle body 11 and sleeved outside the connecting portion 12, so that the connection cable 20 is inserted into the inner cavity of the protection sleeve 30.

In this embodiment, the endoscope 100 further comprises an insert 40, and the insert 40 is fixedly connected to the handle 10. The insert 40 includes a fixing portion 41, a bending portion 42, and a head end portion 43. The fixed portion 41 is fixedly connected to the handle 10, the bent portion 42 is connected to the fixed portion 41, and the head end portion 43 is provided at an end of the bent portion 42 away from the fixed portion 41.

The head end 43 includes a camera for capturing images of organs or tissues within the patient's body to enable medical personnel to understand the condition of the lesion within the patient's body. The bending portion 42 is in the form of an elongated tube, which may be made of a flexible material to bend appropriately to conform the endoscope 100 to the body passage.

In the actual use process of the endoscope 100, the insert 40 enters the inside of the human body, and the medical staff controls the endoscope 100 through the handle 10, so that the bending part 42 of the insert 40 is bent to conform to the human body channel, and the head end part 43 is close to the lesion part, thereby realizing the acquisition of the lesion image inside the human body by the camera, and enabling the medical staff to accurately know the lesion condition.

Further, the handle main body 11 of the present embodiment includes a housing 111, and an operating handwheel 112 and control buttons 113 provided on the housing 111. The housing 111 may be injection molded to provide a contoured configuration to the handle 10 as a whole for carrying functionality.

The operating handwheel 112 may be provided in a plurality coaxially above and below for bending rotation of the curved portion 42 of the insert 40 to conform the insert 40 to irregular passageways within the body. The insert 40 is provided with a pull wire inside, and the operating hand wheel 112 is connected to the curved portion 42 via the pull wire. The operating handwheel 112 rotates to drive the traction wire to move so as to control the bending state of the bending part 42. Control buttons 113 may be provided in plurality to control different passages in insert 40 to achieve ventilation and water passage of head end 43.

In the present embodiment, the connection portion 12 of the handle 10 is provided on the housing 111 of the handle body 11, and a digital signal processing circuit may be provided inside the connection portion 12. One side of the case 111 is provided with a connection region recessed at a surface of the case 111 to form a connection groove 114. The connecting portion 12 is disposed in the connecting groove 114, and the connecting portion 12 is protruded at the groove bottom of the connecting groove 114.

Further, the connection cable 20 of the present embodiment is detachably connected to the connection portion 12 of the handle 10. In the present embodiment, the connection cable 20 includes a socket part 21, a transition part 22, and a cable part 23 connected in this order.

Wherein, the end of the insertion part 21 departing from the transition part 22 is provided with a slot. The connecting portion 12 is adapted to be inserted into the insertion groove of the insertion portion 21 to achieve detachable connection of the connecting cable 20 with the handle 10. The connecting part 12 is connected with the plug part 21 in a matching way, so that the electric connection of the circuit can be realized.

The transition portion 22 is a tapered tubular structure, and the caliber of the transition portion is gradually reduced from the end close to the insertion portion 21 to the end far from the insertion portion 21, i.e. the port of the insertion portion 21 close to the transition portion 22 is a large caliber, and the port of the insertion portion 21 far from the transition portion 22 is a small caliber.

In the present embodiment, the large-diameter port of the socket 21 is used to partially receive the socket 21. The transition part 22 and the insertion part 21 are in smooth transition, so that the medical staff can conveniently hold and insert the insertion part 21.

The cable part 23 is arranged at one end of the transition part 22 far away from the plug part 21, and the free end of the cable part 23 is used for being connected with a host computer to realize the electric connection of the endoscope 100 and the host computer, namely, an image signal shot by the endoscope 100 can be processed by the digital signal lines of the plug part 21 and the cable part 23 and then transmitted to the host computer, so that medical staff can obtain an image of a lesion part.

In use of the endoscope 100 of the present embodiment, a medical professional can control the handle 10 to introduce the insert 40 into the patient. After use of the endoscope 100, the insert 40 is contaminated along with the handle 10. Since the connection cable 20 is detachably connected to the handle 10, the endoscope 100 can be used by detaching the connection cable 20 from the handle 10, retaining the connection cable 20, and discarding the handle 10 and the insert 40.

Further, the endoscope 100 of the present embodiment further includes a protective sleeve 30. The protective sleeve 30 is used for being sleeved outside the secondary-use connecting cable 20 to prevent viruses on the connecting cable 20 which are not completely cleaned from entering the handle 10, or prolong the time for germs on the connecting cable 20 to enter the handle 10, so as to ensure the safety of the operation of the endoscope 100. The secondary connection cable 20 can be directly used in the subsequent operation under the isolation and protection effect of the protective sleeve 30, thereby saving a large amount of disinfection and cleaning time.

Specifically, the protection sleeve 30 is open at both ends and hollow inside. One end of the protective sleeve 30 is fixed on the handle body 11 and sleeved outside the connecting portion 12, so that the connecting cable 20 can be inserted into the inner cavity of the protective sleeve 30. Further, the end of the protective sleeve 30 may also be fixed between the handle body 11 and the joint of the connection cable 20.

In this embodiment, the end of the protection sleeve 30 is connected to the slot of the connection slot 114, and the connection portion 12 provided in the connection slot 114 is located in the inner cavity of the protection sleeve 30. The port diameter of the connection part of the protection sleeve 30 and the handle 10 is matched with the size of the notch of the connection groove 114, so as to ensure the tightness of the connection of the protection sleeve 30 and the handle 10.

The protective sleeve 30 of this embodiment is a pre-folded tube structure, and the protective sleeve 30 is integrally packaged with the handle 10. The protective sleeve 30 is pre-folded before installation of the secondary connection cable 20. When the endoscope 100 is used, the connection cable 20 is attached to the handle 10, and the protective sleeve 30 in the unfolded and folded state is stretched.

The length of the stretched protection sleeve 30 is greater than or equal to the length of the connection cable 20, so that the connection cable 20 is entirely wrapped by the protection sleeve 30, and the protection sleeve 30 is ensured to be isolated from the connection cable 20.

The protective sleeve 30 is arranged on the handle 10 in a pre-folding state, so that the volume of the protective sleeve 30 and the handle 10 in a non-use state can be reduced, the integral packaging of the protective sleeve 30 and the handle 10 is facilitated, and the integral disinfection and sterilization of the protective sleeve 30 and the handle 10 are facilitated.

In this embodiment, the protective sleeve 30 is a corrugated tube. The bellows may be pre-folded onto the handle 10 after being attached to the handle 10. After the installation of the handle 10 and the connection cable 20 is completed, the bellows is stretched again so that the connection cable 20 is located in the inner cavity of the bellows.

In addition, the protection sleeve 30 of the present embodiment may also be a through-long straight tube structure, i.e. may be a slender plastic sleeve, and the outer wall thereof has no folding structure. The length of the protective sleeve 30 is greater than or equal to the length of the connection cable 20 to ensure the overall wrapping and isolation of the protective sleeve 30 from the connection cable 20.

The protective sleeve 30 with the full-length tube body structure is connected and fixed with the handle 10 and then is packaged and disinfected integrally. When the endoscope 100 is used, the connection cable 20 which is recycled firstly passes through the inner cavity of the protection sleeve 30, so that the end part of the connection cable 20 is fixedly connected with the connecting part 4112 of the handle 10 in an inserting mode, the connection cable 20 is fixedly connected with the handle 10, the connection cable 20 is ensured to be completely accommodated in the inner cavity of the protection sleeve 30, and the protection sleeve 30 is used for protecting the connection cable 20 in a wrapping mode.

In this embodiment, the protective sleeve 30 is a polyethylene tube, a polypropylene tube, a polyurethane tube, or a polyvinyl chloride tube.

The protective sleeve 30 made of polyethylene, polypropylene, polyurethane or polyvinyl chloride can not only ensure the isolation protection of the connecting cable 20 and the handle 10 by the protective sleeve 30, but also realize the foldability and stretchability of the protective sleeve 30, avoid the protective sleeve 30 occupying a large space at the handle 10, and ensure the integral packaging and integral disinfection and sterilization of the handle 10, the insert 40 and the protective sleeve 30.

The protective sleeve 30 and the handle 10 of this embodiment are in a thermal compression structure, that is, the protective sleeve 30 is fixed on the handle 10 by thermal compression.

The hot-pressing combination mode can ensure the connection strength between the protective sleeve 30 and the handle 10, and can also ensure the sealing property of the connection part of the protective sleeve 30 and the handle 10, so as to ensure the tight protection of the protective sleeve 30 on the connection position of the handle 10.

Besides, the protection sleeve 30 and the handle 10 may be ultrasonically welded, that is, fixed by ultrasonic welding or the like, as long as the stability and the sealing property of the connection between the protection sleeve 30 and the handle 10 can be ensured.

Further, as shown in fig. 4, the endoscope 100 of the present embodiment further includes an attachment ring 50 (not shown). The connection ring 50 is fixed to the inner wall of the protection sleeve 30 and is disposed near the end of the protection sleeve 30 connected to the handle body 11.

Furthermore, a connection ring 50 may also be provided between the connection cable 20 and the interface of the handle 10. The connection ring 50 may be first coupled to the connector of the connection cable 20 and then coupled to the handle 10 through the connector of the connection cable 20.

In the present embodiment, the connection ring 50 is a plastic ring or a metal ring. The connecting ring 50 is disposed on the inner wall of the end portion of the protecting sleeve 30, and can support and shape the protecting sleeve 30. By the connection of the connection ring 50 with the handle body 11, the fixed connection of the protection sleeve 30 with the handle 10 can be realized, and the stability of the connection of the protection sleeve 30 with the handle 10 can be ensured.

In use of the endoscope 100 of the present embodiment, the handle 10, the insert 40, and the protective sleeve 30 are integrally sterilized and the protective sleeve 30 is pre-folded over the handle 10. The recycled connection cable 20 is inserted into the handle 10, and then the pre-folded protection sleeve 30 is stretched and unfolded, so that the protection sleeve 30 integrally wraps the connection cable 20, and the protection sleeve 30 forms a barrier between the handle 10 and the connection cable 20.

In the present embodiment, the protective sleeve 30 may or may not be fixedly connected to the handle 10 when the endoscope 100 is shipped. When the user uses the endoscope 100 and the protection sleeve 30 is separated from the handle 10, the medical staff may mount the protection sleeve 30 on the handle 10 before using. Specifically, when installing, the connection cable 20 may be coupled first, and then the protection sleeve 30 may be installed; it is also possible to install the protective sleeve 30 first and then to connect the connection cable 20.

The inventor of the present application finds, during experiments, that even if the connecting cable 20 used repeatedly is not completely cleaned and sterilized, the propagation time of germs from the connecting cable 20 to the handle 10 can be prolonged under the isolation and protection effect of the protective sleeve 30, so that the time for reaching the contamination concentration of the handle 10 is prolonged, that is, the protective sleeve 30 can ensure the safety of the endoscope 100 operation when the connecting cable 20 is used secondarily.

With the endoscope of the present embodiment, the protective sleeve is fixedly connected to the handle main body, and the connection cable is inserted into the lumen of the protective sleeve. To reuse's connecting cable, this connecting cable can dismantle with the handle and be connected the back, and protective case can be with the whole cladding of connecting cable to isolated connecting cable and handle prevent that medical personnel from touching connecting cable, on avoiding connecting cable to go up the germ and spreading the handle, thereby guarantee reuse connecting cable's endoscope operation process's security.

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 (9)

1. An endoscope, comprising:

a handle including a handle main body and a connection part provided on the handle main body;

one end of the connecting cable is detachably connected with the connecting part of the handle, and the other end of the connecting cable is used for being connected with a host machine so as to electrically connect the endoscope with the host machine;

the protective sleeve is provided with openings at two ends and is hollow inside; one end of the protective sleeve is fixed on the handle main body and sleeved outside the connecting part, so that the connecting cable penetrates through the inner cavity of the protective sleeve.

2. The endoscope of claim 1, wherein the protective sleeve is a pre-folded tube structure, and the protective sleeve in an unfolded state can be sleeved and wrapped outside the connecting cable.

3. An endoscope according to claim 1 or 2, wherein said protective sleeve is a bellows.

4. The endoscope of claim 1, further comprising an attachment ring secured to an inner wall of the protective sleeve and disposed proximate an end of the protective sleeve that is connected to the handle body, the attachment ring adapted to be secured to the handle body.

5. The endoscope of claim 4, wherein the attachment ring is a plastic ring or a metal ring.

6. The endoscope of claim 1, wherein the protective sleeve is a polyethylene tube, a polypropylene tube, a polyurethane tube, or a polyvinyl chloride tube.

7. The endoscope of claim 1, wherein the protective sleeve and the handle are of a shrink-fit construction.

8. The endoscope of claim 1, wherein the protective sleeve and the handle are ultrasonically welded.

9. The endoscope of claim 1, wherein the protective sleeve has a length greater than or equal to a length of the connection cable.

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