CN112914480A

CN112914480A - Disposable electronic endoscope

Info

Publication number: CN112914480A
Application number: CN202110329189.9A
Authority: CN
Inventors: 陈兴旺; 毛云峰; 杨天恩; 温一平
Original assignee: Hanmei Information Technology Shanghai Co ltd
Current assignee: Hanmei Information Technology Shanghai Co ltd
Priority date: 2021-03-27
Filing date: 2021-03-27
Publication date: 2021-06-08

Abstract

The invention relates to a disposable electronic endoscope, which comprises an insertion part (1) and a handle (2) which are detachably connected, wherein the handle (2) is connected with a host through a video connecting line when in use, the insertion part (1) comprises a head end (11), a bending part (12) and a conduit (13) which are sequentially connected, the conduit (13) is connected with the handle (2), the head end (11) is provided with a steam opening, an instrument channel opening, a lens (113) and a lens base for mounting the lens (113), the interior of the conduit (13) is provided with a through inner cavity, the inner cavity comprises an instrument channel, a steam channel, a signal line channel and a steel wire channel which are independently arranged, and the handle (2) is provided with a bending control device (223) for connecting a steel wire. Compared with the prior art, the invention has the advantages of reducing cost, preventing cross infection and the like.

Description

Disposable electronic endoscope

Technical Field

The invention relates to the field of medical equipment, in particular to a disposable electronic endoscope.

Background

An electronic endoscope is a common medical instrument, enters a human body through a natural pore canal of the human body or a small incision made by operation, and can directly peep the change of a related part. Most of the existing endoscopes are repetitive endoscopes, and because of the need of repeated use, in order to avoid cross infection among patients, each endoscope must pass through strict and complex disinfection procedures after being used, so that the structural design of the endoscope is extremely complicated, and the production and design costs are high. Since each disinfection process takes at least 20 minutes, hospitals also need to set up special disinfection rooms and equip special washing and disinfecting equipment and corresponding washing and disinfecting personnel, which further increases the use cost of endoscopes, and the frequent washing and disinfecting processes generate a large amount of liquid chemical wastes and further aggravate environmental pollution. On the other hand, since the completeness of the disinfection cannot be determined, the patient still needs to bear the risk of cross-infection and the like due to incomplete disinfection. That is, the traditional endoscope is difficult to realize the functions of the endoscope by low cost and relatively simple composition structure, and the lens assembly is disposable.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned deficiencies of the prior art and to providing a disposable electronic endoscope.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a disposable electronic endoscope, is including inserting portion and the handle that can dismantle the connection, when using, the handle passes through the video connecting line and is connected with the host computer, inserting portion is including head end, flexion and the pipe that connects gradually, pipe connection the handle, the head end is equipped with steam opening, apparatus channel opening, camera lens and is used for installing the microscope base of camera lens, the inside of pipe is equipped with the interior cavity that link up, interior cavity is including independently set up apparatus channel, steam channel, signal line passageway and steel wire passageway, the handle is equipped with the controlling means that bends that is used for connecting the steel wire.

The head end still includes transparent cover, protective housing and locates illumination LED and the image sensor in the protective housing, image sensor is connected with the camera lens, the steam opening with instrument passage opening locates on the protective housing, the transparent cover lid is established the one end of protective housing, the microscope base is located and is close to on the inner edge of the protective housing of transparent cover one end, the camera lens is located the central point of microscope base puts, illumination LED locates transparent cover with between the microscope base, image sensor locates the microscope base is inboard.

The flexion includes snake bone, protective sheath and internal connection hose, be equipped with internal connection hose in the snake bone, internal connection hose connects multicavity pipe and protective housing, the protective sheath cover is established the snake bone is outside. The internal connection hose comprises a moisture hose and an instrument hose connected between the protective shell and the multi-lumen tube.

The handle comprises a rotatable part and a non-rotatable part which are connected with each other, the rotatable part comprises a conical sleeve used for connecting the catheter and a rotatable body connected with the conical sleeve, and a water vapor interface and an instrument interface are arranged on the rotatable body; the non-rotatable part comprises a non-rotatable body connected with the rotatable body and a hand-holding end connected with the non-rotatable body, and the hand-holding end is provided with a signal interface, a mechanical bayonet and the bending control device. The bilateral symmetry of holding the end is equipped with the mechanical bayonet socket of being connected with the video connecting wire, is equipped with the pothook that structure, position and mechanical bayonet socket are to joining in marriage the setting on the video connecting wire, when using, the host computer is connected to the video connecting wire.

The bending control device comprises a control handle, a gear and a steel wire, the gear is fixed on the control handle, the steel wire is wound on the gear, and the other end of the steel wire penetrates through a steel wire channel in the catheter to be connected with the head end.

Further, the lens is a high-definition camera with a resolution HD1280x 720.

Further, the image sensor is a CMOS image sensor.

Further, the rotatable body is slidably connected with the non-rotatable body.

Compared with the prior art, the disposable electronic endoscope provided by the invention at least has the following beneficial effects:

1) after medical examination or operation, all insertion parts contacting patients and operators and handles held by the operators can be discarded and enter the recovery device of biological waste in hospitals, so that the probability of cross infection is effectively reduced;

2) the handle is provided with a rotatable part and a non-rotatable part, and the rotatable part can be used by medical staff for conveniently using and operating related instruments;

3) the handle is provided with a mechanical bayonet, and the mechanical bayonet and the clamping hook of the video connecting line are matched to ensure the reliable connection of the handle and the video connecting line;

4) the disposable sterile medical electronic endoscope disclosed by the invention is a disposable sterile medical electronic endoscope, does not need to be disinfected, and can effectively reduce the cost; in addition, the disposable part comprises the insertion part and the handle, the disposable part is disconnected from the handle, and the video connecting line is removed from the disposable cost, so that the cost consumption can be further reduced.

Drawings

FIG. 1 is a schematic side view of a disposable electronic endoscope in an embodiment;

FIG. 2 is a perspective view of a disposable electronic endoscope in an embodiment;

FIG. 3 is a schematic structural view of an insertion portion in the embodiment;

FIG. 4 is a schematic structural diagram of a head end in an embodiment;

FIG. 5 is a schematic structural view of a handle in the embodiment;

FIG. 6 is a schematic diagram of the connection of the handle and the video cable in the embodiment;

the reference numbers in the figures indicate:

1. the endoscope comprises an insertion part, 2, a handle, 3, a video connecting line, 11, a head end, 12, a bending part, 13, a catheter, 111, a transparent cover, 112, a protective shell, 113, a lens, 114, an endoscope base, 21, a rotatable part, 22, a non-rotatable part, 211, a conical sleeve, 212, a water vapor interface, 213, an instrument interface, 221, a signal interface, 222, a mechanical bayonet, 223, a bending control device, 224, a hand holding end, 31 and a clamping hook.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

Examples

As shown in fig. 1 and 2, the present invention relates to a disposable electronic endoscope comprising an insertion section 1 and a handle 2, wherein the insertion section 1 is a part capable of entering a human body as shown in fig. 1; the handle 2 is connected to the rear end of the insertion part 1, is not accessible to the human body, and is a part operated by medical staff. Meanwhile, the handle 2 is connected with the host through a video connecting line. After one use, the handle 2 is disconnected from the main body, and the handle 2 and the insertion part 1 are disposed of as medical waste.

Specifically, as shown in fig. 3 and 4, the insertion portion 1 includes a tip 11, a bending portion 12, and a catheter 13 connected in this order. The head end 11 includes a transparent cover 111, a protective case 112, a lens 113, a lens mount 114, an illumination LED, and an image sensor. The lens 113, the lens holder 114, the illumination LED, and the image sensor are disposed in the protective case 112, and the transparent cover 111 is covered at one end of the protective case 112. The lens base 114 is used for fixing the lens 113, the LED and the image sensor, the lens base 114 is arranged inside the protective shell 112 near one end of the transparent cover 111, the lens 113 is arranged at the center of the lens base 114, the LED is arranged between the transparent cover 111 and the lens base 114, and the image sensor is arranged inside the lens base 114. The image sensor is connected with the lens 113, and the lens 113 is used for imaging, so that the image sensor obtains enough depth of field and view; the image sensor is used for converting the optical image into an electronic signal and outputting the electronic signal; LEDs are used for illumination to ensure that sufficient brightness is produced in the active area. The transparent cover 111 is used to protect a patient from being injured by a sharp object of the head end 11, and also protects the lens 113 and the illumination LED from liquid entering the head end 11 to cause a short circuit. The protective case 112 is used to protect the lens holder 114 and the LED. Further, the protective shell 112 is provided with moisture openings and instrument channel openings. Medical instruments may enter the body through the opening of the protective shell 112.

In the present embodiment, the lens 113 preferably adopts a high-definition camera with a resolution HD1280x 720. The image sensor preferably adopts an image sensor which can support the resolution of 720P at the highest, such as a CMOS image sensor.

The curved portion 12 includes a snake bone, a protective sheath, and an internal connection hose. The snake bone serves to reduce the bending resistance, making the head end 11 easy to bend. An internal connection hose is arranged in the snake bone and is used for connecting the multi-cavity tube and the protective shell 112, and the internal connection hose comprises a water vapor hose and an instrument hose which are connected between the protective shell 112 and the multi-cavity tube. The protective sleeve is sleeved outside the snake bone and used for sealing the snake bone to enable the snake bone to be smooth, protecting a patient from being scratched by the snake bone and preventing liquid from entering the snake bone.

One end of the conduit 13 is connected to the bending part 12, and the other end is connected to the handle 2. The inside of the catheter 13 is provided with a through inner cavity, and the inner cavity comprises an instrument channel, a water vapor channel, a signal wire channel and a steel wire channel which are respectively and independently arranged. The instrument channel is used for medical instruments to enter a human body through the catheter, and the independent channel is isolated from other channels. The water vapor channel is used for liquid suction, and the suction device sucks out liquid in a human body through the water vapor channel by connecting the handle interface. The signal channel is used for connecting the image sensor at the joint end and the signal interface of the handle through the conduit by a signal wire. The wire passage is used for the wire to pass through the conduit 13 to connect the head end 11 and the bending control 223 of the handle 2.

As shown in fig. 5, the handle 2 comprises a rotatable portion 21 and a non-rotatable portion 22, the rotatable portion 21 comprising a conical sleeve 211, a rotatable body, a steam interface 212 and an instrument interface 213; the non-rotatable portion 22 includes a non-rotatable body, a hand grip 224, a signal interface 221, a mechanical bayonet 222, and a bend control 223.

For the rotatable portion 21: the moisture interface 212 and the instrument interface 213 are provided on a rotatable body, with a tapered sleeve 211 provided at one end of the rotatable body. Moisture interface 212 is used to connect the suction device to the moisture channel, and instrument interface 213 is the entrance of the instrument into the instrument channel. The tapered sleeve 211 serves to secure the catheter and handle 2 against relative movement between the catheter and handle 2. Preferably, the end of the catheter connected to the handle 2 may be provided with a socket matching the tapered tip of the tapered sleeve 211 to allow connection to the handle 2. The other end of the rotatable housing is connected to a non-rotatable part 22.

For the non-rotatable portion 22: the non-rotatable body is connected with the rotatable body, in this embodiment, the rotatable portion 21 slides in the track of the non-rotatable portion 22 to realize rotation, specifically, the end portion of the rotatable body of the rotatable portion 21 is provided with a sliding protrusion, the inner side of the end portion of the non-rotatable body of the non-rotatable portion 22 is provided with a sliding groove, and the sliding groove is matched with the sliding protrusion and used for sliding the rotatable portion 21 in the track of the non-rotatable portion 22 to realize rotation.

The handheld end 224 is connected to the non-rotatable body, a signal interface 221 and a mechanical bayonet 222 are disposed on one side of the handheld end 224, the signal interface 221 is used for transmitting signals of the image sensor to the high-definition image processor, the signal interface 221 is mainly implemented by a circuit board and a connector, the connector is a spring terminal connector, and the structure of the signal interface 221 is the prior art and will not be described herein. The mechanical bayonet 222 is used to fix the video cable 3 and the handle 2. Specifically, two mechanical bayonets 222 are symmetrically disposed on two sides of the hand-held end 224 for connecting with the video cable connection line 3, and further, hooks 31 having structures and positions corresponding to the mechanical bayonets 222 are disposed on the video cable connection line 3 to be connected, so that reliable connection between the handle 2 and the video cable connection line 3 is ensured by cooperation of the mechanical bayonets 222 and the hooks 31, as shown in fig. 6. After connection, the video connection line 3 is connected to the host. The video cable 3 is a cable structure including a cable and a connector in the prior art, and the hook 31 is disposed on the connector of the video cable 3.

The hand grip end 224 is provided with a bend control 223 remote from the end of the rotatable body. The bending control device 223 includes a lever, gears and wires. The gear is fixed on the control handle, and the steel wire is wound on the gear. The lever is used for hand force to act on the lever, which transmits the force to the gear. The gear is used to transmit the force of the handle 2 to the wire. The other end of the wire is connected to the head 11 through a wire channel inside the guide tube 13, the wire being used to transmit the force of the gear to the bend 12.

The working principle of the endoscope is as follows:

the head end of the invention adopts a CMOS image sensor to capture an optical image, converts the optical image into an electronic signal and transmits the electronic signal to the image processing controller end. The LED light source provides illumination. The control handle of the handle realizes the bending and the steering of the head end through a steel wire. Medical instruments enter the human body through instrument channels in the multi-cavity tube, and the suction device is connected to the water vapor channel of the multi-cavity tube. After the endoscope is used, the product can be conveniently separated from the video connecting line and discarded to be treated as medical waste, so that the aim of a disposable endoscope is fulfilled.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a disposable electronic endoscope, its characterized in that, is including inserting portion (1) and handle (2) that can dismantle the connection, when using, handle (2) are connected with the host computer through video connecting line (3), inserting portion (1) is including head end (11), flexion (12) and pipe (13) that connect gradually, pipe (13) are connected handle (2), head end (11) are equipped with steam opening, apparatus channel opening, camera lens (113) and are used for microscope base (114) of installing camera lens (113), the inside of pipe (13) is equipped with the interior cavity that link up, interior cavity is including independently set up apparatus channel, steam channel, signal line passageway and steel wire passageway, handle (2) are equipped with bending controlling means (223) for connecting the steel wire.

2. The disposable electronic endoscope of claim 1, wherein the head end (11) further comprises a transparent cover (111), a protective shell (112), and an illumination LED and an image sensor disposed in the protective shell (112), the image sensor is connected to a lens (113), the vapor opening and the instrument channel opening are disposed on the protective shell (112), the transparent cover (111) covers one end of the protective shell (112), the lens holder (114) is disposed on an inner edge of the protective shell (112) near one end of the transparent cover (111), the lens (113) is disposed at a center position of the lens holder (114), the illumination LED is disposed between the transparent cover (111) and the lens holder (114), and the image sensor is disposed inside the lens holder (114).

3. The disposable electronic endoscope according to claim 2, characterized in that said bending portion (12) comprises a snake bone, a protective sheath and an internal connection hose, said snake bone is provided with an internal connection hose, said internal connection hose connects the multilumen tubing and a protective sheath (112), said protective sheath is provided outside said snake bone.

4. The disposable electronic endoscope of claim 3, wherein the internal connection hoses comprise a moisture hose and an instrument hose connected between the protective shell (112) and the multilumen tubing.

5. The disposable electronic endoscope according to claim 1, characterized in that the handle (2) comprises a rotatable portion (21) and a non-rotatable portion (22) connected to each other, the rotatable portion (21) comprises a conical sleeve (211) for connecting the catheter (13) and a rotatable body connected to the conical sleeve (211), the rotatable body is provided with a water vapor interface (212) and an instrument interface (213); the non-rotatable part (22) comprises a non-rotatable body connected with the rotatable body and a hand-held end (224) connected with the non-rotatable body, wherein a signal interface (221), a mechanical bayonet (222) and the bending control device (223) are arranged on the hand-held end (224).

6. The disposable electronic endoscope of claim 5, wherein the hand-held end (224) is symmetrically provided with mechanical bayonets (222) connected with the video cable (3) at two sides, the video cable (3) is provided with hooks (31) which are arranged and matched with the mechanical bayonets (222) in structure and position, and the video cable (3) is connected with a host computer when in use.

7. The disposable electronic endoscope according to claim 5, characterized in that the bending control device (223) comprises a control handle, a gear wheel fixed on the control handle, and a steel wire wound on the gear wheel, the other end of the steel wire passing through a steel wire channel inside the catheter (13) to be connected with the head end (11).

8. The disposable electronic endoscope of claim 1, wherein the lens (113) is a high definition camera with a resolution HD1280x 720.

9. The disposable electronic endoscope of claim 2, wherein the image sensor is a CMOS image sensor.

10. The disposable electronic endoscope of claim 5, wherein the rotatable body is slidingly coupled with the non-rotatable body.