CN211270634U

CN211270634U - Cleaning tube for endoscope

Info

Publication number: CN211270634U
Application number: CN201921550398.0U
Authority: CN
Inventors: 缪东林
Original assignee: Jiangsu Weidekang Medical Science & Technology Co ltd
Current assignee: Jiangsu Weidekang Medical Science & Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-08-18
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses a cleaning tube for an endoscope, which comprises a cleaning tube and a handle which are connected in a straight line; the handle is used for holding, the cleaning tube is used for conveying cleaning liquid, the cleaning tube is suitable for extending into a forceps channel hole of the endoscope, and one end of the cleaning tube, which is far away from the handle, is a bendable cleaning head; the circumference side of handle is equipped with infusion hole and gas transmission hole, the inside of handle with the scavenge pipe link up, infusion hole and gas transmission hole all pass through the handle with the scavenge pipe intercommunication. Cleaning tube for scope, the shape of cleaning tube is variable, can not cause the injury to the surface of a wound during use, can be respectively from outside clear washing liquid of input and gas through infusion hole and gas transmission hole on the handle simultaneously, through washing liquid cleaning lens, rethread gaseous blowdown the camera lens of endoscope to avoid the camera lens surface to leave water stain, ensure that the camera lens is clear.

Description

Cleaning tube for endoscope

Technical Field

The utility model relates to an endoscope technical field especially relates to a scavenge pipe for scope.

Background

The endoscope is a medical instrument commonly used in the prior art, and is mainly used for being inserted into a human body to observe the internal state of the human body and shoot related pictures.

The patent number is CN201721363117.1, has proposed an endoscope camera lens in the patent of "endoscope with integrated camera lens washing unit" and has washed the structure, and wherein spray pipe and sprinkler bead all fix on the camera module of endoscope, and the shape is fixed, cause the injury to the wound easily in the use, and factor of safety is low.

In addition, the lens brush consisting of the brush head and the brush handle is also arranged in the prior art, the brush head is automatically bent by depending on the shape memory characteristic of the brush head, then the brush head is close to the endoscope lens and is cleaned by rotating the brush handle, and the endoscope brush has the advantages of low manufacturing cost and high safety coefficient, and has the defects of water stain left on the endoscope lens, blurred vision of a user and possibility of causing certain degree of abrasion on the endoscope lens.

To sum up, how to design an endoscope cleaning tool with high safety factor and capable of thoroughly cleaning the lens of the endoscope is the technical problem which needs to be solved at present.

SUMMERY OF THE UTILITY MODEL

In order to solve among the prior art endoscope camera lens and wash that structure factor of safety is low or wash not thoroughly, cause the blurred technical problem of user's sight easily, the utility model provides an above-mentioned problem is solved to scavenge pipe for scope.

The utility model provides a technical scheme that its technical problem adopted is: a cleaning tube for an endoscope comprises a cleaning tube and a handle which are connected in a straight line; the handle is used for holding, the cleaning tube is used for conveying cleaning liquid, the cleaning tube is suitable for extending into a forceps channel hole of the endoscope, and one end of the cleaning tube, which is far away from the handle, is a bendable cleaning head; under a normal state, the cleaning pipe and the handle are in a straight line, when the cleaning pipe extends into a clamp passage hole of the endoscope, the cleaning head is bent to be opposite to a lens of the endoscope, a transfusion hole and a gas transmission hole are formed in the circumferential side face of the handle, the inside of the handle is communicated with the cleaning pipe, and the transfusion hole and the gas transmission hole are communicated with the cleaning pipe through the handle.

Furthermore, the cleaning head is made of shape memory materials, the cleaning head can be automatically bent and deformed under the condition of no resistance obstruction, and when the cleaning pipe is taken out, the cleaning head automatically restores to a linear state under the limitation of the aperture of the clamp path hole.

Furthermore, the cleaning head is made of flexible materials, the circumferential side surface of the handle is also provided with a guy cable hole, and guy cable channels which are mutually communicated are arranged in the handle and the cleaning pipe; one end of the inhaul cable extends to the inhaul cable hole, the other end of the inhaul cable passes through the inhaul cable channel and is connected with the cleaning head, and the cleaning head is controlled to be bent through the inhaul cable.

Preferably, the guy cable channel is arranged to deviate from the central axis of the cleaning pipe, so that the cleaning head can be pulled to be bent.

Preferably, the stay cable channel extends to the cleaning head, and the stay cable is fixed on the inner surface of the end part of the cleaning head through the stay cable channel.

Preferably, the inhaul cable channel extends to the cleaning head, an opening is formed in the side face of the inhaul cable channel, and the inhaul cable passes through the opening and is fixed to the outer surface of the end portion of the cleaning head.

Furthermore, a guy cable handle which is suitable for reciprocating along the axial direction of the guy cable hole is further arranged at the guy cable hole, the inner end face of the guy cable handle is connected with the guy cable, and the guy cable is pulled by the guy cable handle.

Preferably, the inhaul cable handle comprises a head part, an intermediate connecting part and an extrusion friction part which are connected in sequence, the head part is provided with a shoulder which is suitable for abutting against the end face of the inhaul cable hole, and the peripheral side face of the extrusion friction part is in extrusion contact with the inner wall of the inhaul cable hole.

Preferably, the cleaning head is made of memory alloy or memory plastic.

The utility model has the advantages that:

(1) cleaning tube for scope, the shape of cleaning head is variable, can not cause the injury to the surface of a wound during use, can be respectively from outside clear washing liquid of input and gas through infusion hole and gas transmission hole on the handle simultaneously, through washing liquid cleaning lens, rethread gaseous blow-down the camera lens of endoscope to avoid the camera lens surface to leave water stain, ensure that the camera lens is clear.

(2) Cleaning tube for scope, only through washing liquid and gaseous washing camera lens, need not friction camera lens surface, can not cause wearing and tearing to the endoscope camera lens.

(3) Cleaning tube for scope, wash and to take out at any time after accomplishing, can not shelter from the camera lens to vacate observation space for the endoscope.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a front view of a cleaning tube for endoscopes according to example 1 of the present invention (in the figure, a dotted line portion indicates a curved state of a cleaning head);

FIG. 2 is a view showing a simulated state in which the endoscope cleaning tube shown in FIG. 1 is not extended out of the channel hole of the endoscope;

FIG. 3 is a view showing a simulated state in which the cleaning tube for an endoscope shown in FIG. 1 is extended out of a track hole of the endoscope;

fig. 4 is a schematic view illustrating a straightened state of an embodiment of the endoscope cleaning tube according to the present invention;

FIG. 5 is a schematic view showing a bending state of an embodiment of the endoscope cleaning tube according to the present invention;

FIG. 6 is a view showing a simulated state (including a partially enlarged view) when the endoscope cleaning tube shown in FIG. 4 is not drawn out of the channel hole of the endoscope;

FIG. 7 is a view showing a simulated state in which the cleaning tube for an endoscope shown in FIG. 4 is extended out of a track hole of the endoscope;

FIG. 8 is a schematic view showing a bending state of an embodiment of the endoscope cleaning tube according to the present invention;

FIG. 9 is a view showing a simulated state (including a partially enlarged view) when the endoscope cleaning tube shown in FIG. 8 is not drawn out of the channel hole of the endoscope;

FIG. 10 is a view showing a simulated state in which the scope cleaning tube shown in FIG. 8 is extended out of the channel hole of the endoscope.

In the figure, 1, a cleaning pipe 101, a cleaning head 2, a handle 3, a transfusion hole 4, a gas transmission hole 5, a guy hole 6, a guy channel 7, a guy 8, an opening 9, a clamping path hole 10, a guy handle 10-1, a head 10-2, an intermediate connecting part 10-3 and an extrusion friction part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the terms "inner", "outer", "axial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Embodiment 1, as shown in fig. 1 to 3, a cleaning tube for an endoscope belongs to a self-bending cleaning tube for an endoscope, and includes a cleaning tube 1 and a handle 2 which are linearly connected, the cleaning tube 1 and the handle 2 are both substantially in a tubular structure, the cross sections are circular, the outer diameter of the handle 2 is larger than that of the cleaning tube 1, and the cleaning tube 1 and the handle 2 are in arc transition to avoid sharp corners from damaging skin or damaging a channel hole 9; the handle 2 is used for holding, the cleaning tube 1 is used for conveying cleaning liquid, the cleaning tube 1 is suitable for extending into a forceps channel hole 9 of the endoscope, and one end of the cleaning tube 1, which is far away from the handle 2, is a bendable cleaning head 101; the circumference side of handle 2 is equipped with infusion hole 3 and gas transmission hole 4, and the inside of scavenge pipe 1 through handle 2 communicates with infusion hole 3 and gas transmission hole 4 respectively, and the circulation passageway of washing liquid and gas in handle 2 and scavenge pipe 1 communicates with each other, can be right simultaneously the circulation passageway washs.

In this embodiment, the cleaning head 101 is made of a shape memory material, specifically, a memory alloy or a memory plastic, the cleaning head 101 can be bent and deformed by itself without resistance, and when the cleaning head 101 is held in the forceps channel hole 9, the cleaning head 101 is pressed to be in a linear state by the limitation of the aperture and the shape of the forceps channel hole 9; when the cleaning head 101 is extended out of the jaw hole 9, the cleaning head 101 can be bent and deformed by itself since the restraint is released.

The endoscope lens cleaning device can output air pressure or cleaning liquid to clean the endoscope lens. Harmless liquid is input through the infusion hole 3 to wash the endoscope lens, and then harmless gas is input through the infusion hole 4 to blow the endoscope lens clean. The movement process is that the endoscope enters the forceps channel hole 9, and the shape of the cleaning tube 1 is limited by the forceps channel hole 9, so when the cleaning head 101 extends out of the forceps channel hole 9, the cleaning head automatically restores to a bending state, thereby aligning with the lens of the endoscope and washing or blowing the lens of the endoscope.

Referring to fig. 2 and 3, which are simulation state diagrams of the endoscope channel hole 9 of the present embodiment, when the cleaning tube 1 is not extended out of the endoscope channel hole 9, the cleaning tube is constrained by the channel hole 9 to be in a straight state, and after the cleaning tube 1 is extended out of the endoscope channel hole 9, the cleaning head 101 is automatically bent by using the memory property thereof, so that the end of the cleaning tube 1 is aligned with the lens of the endoscope.

Embodiment 2, a cleaning tube for an endoscope as shown in fig. 4-7, belonging to a cleaning tube for a pull-cord type endoscope, comprising a cleaning tube 1 and a handle 2 which are connected in a straight line, wherein the external shapes of the cleaning tube 1 and the handle 2 are the same as those of embodiment 1; the cleaning tube 1 is suitable for extending into a forceps channel hole 9 of the endoscope, and one end of the cleaning tube 1 far away from the handle 2 is a bendable cleaning head 101; cleaning head 101 adopts flexible material to make, the circumference side of handle 2 still is equipped with cable hole 5, infusion hole 3 and gas transmission hole 4, be equipped with the cable passageway 6 of mutual intercommunication in handle 2 and the scavenge pipe 1, the one end of cable 7 extends to cable hole 5, the other end is connected with cleaning head 101 through cable passageway 6, scavenge pipe 1 passes through the inside of handle 2 and communicates with infusion hole 3 and gas transmission hole 4 respectively, the circulation passageway of washing liquid and gas in handle 2 and scavenge pipe 1 is the same, infusion hole 3 and gas transmission hole 4 are located the homonymy of handle 2, cable hole 5 and infusion hole 3 and gas transmission hole 4 mutual disposition, be convenient for separate the circulation passageway of cable passageway 6 and washing liquid.

Under natural state, the whole form of cleaning tube 1 is the state of straightening, and when pulling the cable, the cable drives cleaning head 101, makes it be crooked state, confirms whether cleaning head 101 aims at the camera lens through the endoscope eyepiece, and misalignment then makes cleaning head 101 rotatory through twist grip 2, or the length increase cleaning head 101's of adjusting the cable crooked deflection, puts in place until the adjustment. Harmless liquid is input through the infusion hole 3, and harmless liquid is sprayed out from the end of the cleaning head 101 to wash the endoscope lens, and harmless gas is input through the infusion hole 4, and the harmless gas is sprayed out from the end of the cleaning head 101 to blow the endoscope lens clean. When the cleaning tube 1 is withdrawn from the forceps channel hole 9, firstly the inhaul cable is loosened, then the cleaning tube 1 is slowly drawn out from the endoscope forceps channel tube, and the cleaning tube 1 is gradually straightened in the drawing-out process.

Preferably, the cable passage 6 is disposed to be offset from the central axis of the cleaning tube 1, and when the cable 7 is pulled, a torque is generated at the end of the cleaning tube 1, which is advantageous for pulling the cleaning head 101 to bend.

In this embodiment the cable channel 6 extends to the cleaning head 101 and the cable 7 is fixed to the inner surface of the end of the cleaning head 101 via the cable channel 6, i.e. the cable 7 is completely inside the cleaning tube 1.

As shown in fig. 6 and 7, which are simulation state diagrams in the endoscopic forceps channel hole 9 according to the embodiment, when the cleaning tube 1 does not extend out of the endoscopic forceps channel hole 9, the pull cable 7 is released, and the cleaning tube 1 is in a whole straightening state; when the cleaning tube 1 is extended out of the endoscopic forceps channel hole 9, the pulling cable 7 is gradually pulled to bend the end portion of the cleaning tube 1, that is, the cleaning head 101, and the pulling cable 7 is deformed together with the cleaning head 101.

Embodiment 3, as shown in fig. 8-10, this embodiment is different from embodiment 2 in the fixing position of the end of the pulling cable 7, specifically, the pulling cable channel 6 extends to the cleaning head 101, and the side of the pulling cable channel 6 is provided with the opening 8, and the pulling cable 7 is fixed on the outer surface of the end of the cleaning head 101 through the opening 8, that is, this embodiment is different from embodiment 2 in that the head fixing position of the pulling cable 7 is shifted from the inside of the cleaning tube 1 to the outside of the cleaning tube 1.

As shown in fig. 9 and 10, which are simulation state diagrams in the endoscopic forceps channel hole 9 according to the embodiment, when the cleaning tube 1 does not extend out of the endoscopic forceps channel hole 9, the pull cable 7 is released, and the cleaning tube 1 is in a whole straightening state; when the cleaning tube 1 stretches out the endoscope forceps channel hole 9, pull the cable 7 gradually, make the tip of cleaning tube 1 the cleaning head 101 is crooked promptly, lie in the cable 7 between cleaning head 101 and the forceps channel hole 9 simultaneously and stretch out from opening 8, when the cleaning tube 1 is just to the camera lens, cable 7 is the right angle in forceps channel hole 9 department, and cable 7 divide into two straightways, and the bending that this embodiment more is favorable to cleaning head 101.

Embodiment 4, as shown in fig. 4, 5, and 8, in addition to embodiment 2 or embodiment 3, a cable handle 10 adapted to reciprocate along an axial direction of the cable hole 5 is further provided at the cable hole 5, an inner end surface of the cable handle 10 is connected to a cable 7, and the cable 7 is pulled by the cable handle 10, specifically, the cable handle 10 includes a head portion 10-1, an intermediate connecting portion 10-2, and a pressing friction portion 10-3 connected in sequence, the head portion 10-1 has a shoulder adapted to abut against an end surface of the cable hole 5, and a peripheral side surface of the pressing friction portion 10-3 is in pressing contact with an inner wall of the cable hole 5. After the adjustment of the bending angle of the cleaning tube 1 is finished, under the condition of no external force or small external force, the position of the stay handle 10 can be fixed through the extrusion action of the extrusion friction part 10-3 and the stay hole 5, the shoulder of the head part 10-1 is used as the maximum releasing length of the stay 7, and usually, when the shoulder is in contact with the end face of the stay hole 5, the cleaning tube 1 is just in a straight state.

In this specification, the schematic representations of the terms are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A cleaning tube for an endoscope is characterized in that: comprises a cleaning tube (1) and a handle (2) which are connected in a straight line;

the cleaning tube (1) is suitable for extending into a forceps channel hole (9) of an endoscope, and one end of the cleaning tube (1) far away from the handle (2) is provided with a bendable cleaning head (101);

the circumferential side face of the handle (2) is provided with a transfusion hole (3) and a gas transmission hole (4), and the transfusion hole (3) and the gas transmission hole (4) are communicated with the cleaning pipe (1) through the handle (2).

2. The cleaning tube for an endoscope according to claim 1, characterized in that: the cleaning head (101) is made of shape memory materials.

3. The cleaning tube for an endoscope according to claim 1, characterized in that: the cleaning head (101) is made of flexible materials, the circumferential side surface of the handle (2) is also provided with a guy cable hole (5), and guy cable channels (6) which are communicated with each other are arranged in the handle (2) and the cleaning pipe (1); one end of the inhaul cable (7) extends to the inhaul cable hole (5), and the other end of the inhaul cable is connected with the cleaning head (101) through the inhaul cable channel (6).

4. The cleaning tube for an endoscope according to claim 3, characterized in that: the inhaul cable channel (6) is arranged in a mode of deviating from the central shaft of the cleaning pipe (1).

5. The cleaning tube for an endoscope according to claim 3, characterized in that: the inhaul cable channel (6) extends to the cleaning head (101), and the inhaul cable (7) is fixed on the inner surface of the end part of the cleaning head (101) through the inhaul cable channel (6).

6. The cleaning tube for an endoscope according to claim 3, characterized in that: inhaul cable passageway (6) extend to cleaning head (101), just the side of inhaul cable passageway (6) is equipped with opening (8), inhaul cable (7) warp opening (8) are fixed in the surface of cleaning head (101) tip.

7. The cleaning tube for an endoscope according to claim 3, 5 or 6, characterized in that: the cable pulling device is characterized in that a cable pulling handle (10) suitable for reciprocating along the axial direction of the cable pulling hole (5) is further arranged at the cable pulling hole (5), and the inner end face of the cable pulling handle (10) is connected with the cable pulling (7).

8. The cleaning tube for an endoscope according to claim 7, characterized in that: the inhaul cable handle (10) comprises a head portion (10-1), an intermediate connecting portion (10-2) and an extrusion friction portion (10-3), wherein the head portion (10-1) is connected in sequence, the head portion (10-1) is provided with a convex shoulder which is suitable for abutting against the end face of the inhaul cable hole (5), and the peripheral side face of the extrusion friction portion (10-3) is in extrusion contact with the inner wall of the inhaul cable hole (5).

9. The cleaning tube for an endoscope according to claim 2, characterized in that: the cleaning head (101) is made of memory alloy or memory plastic.