CN213429972U

CN213429972U - Medical endoscope handle with limiting structure

Info

Publication number: CN213429972U
Application number: CN202021200041.2U
Authority: CN
Inventors: 王飞; 刘维
Original assignee: Hangzhou Kunbo Biotechnology Co Ltd
Current assignee: Hangzhou Kunbo Biotechnology Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-06-15
Anticipated expiration: 2030-06-24

Abstract

The utility model relates to an endoscope handle technical field specifically is a take limit structure's medical endoscope handle, including the near-end handle, be equipped with the guide bar on the near-end handle, just the guide bar with the cooperation of pegging graft of near-end handle, the distal end of guide bar is equipped with bushing spare, just bushing spare with the cooperation of pegging graft of guide bar, still be equipped with on the guide bar and carry out spacing lock ring to its grafting length, just lock ring sliding connection is in on the guide bar, the surface of guide bar is equipped with a plurality of arcs, it is right still to be equipped with on the guide bar the lock ring carries out spacing separation blade, just spacing separation blade with the cooperation of pegging graft of arcs. This take limit structure's medical endoscope handle, the medical personnel of being convenient for adjust the endoscope when using and stretch out external length, prevent the situation of excessive puncture.

Description

Medical endoscope handle with limiting structure

Technical Field

The utility model relates to an endoscope handle technical field specifically is a take limit structure's medical endoscope handle.

Background

The endoscope is a detection instrument integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics and software into a whole. One has an image sensor, optical lens, light source illumination, mechanical device, etc. that can enter the stomach orally or through other natural orifices. Since a lesion which cannot be displayed by X-ray can be seen by an endoscope, it is very useful for a doctor. For example, with the aid of an endoscopist, an ulcer or tumor in the stomach can be observed, and an optimal treatment plan can be developed accordingly.

At present, in the existing endoscope technology, a sight glass is stretched into the body of a patient through an endoscope handle, and when the endoscope handle is used, the length of a lens of the endoscope stretching out of the outside is too long, so that the situation of excessive puncture occurs, and the operation result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take limit structure's medical endoscope handle to avoid appearing that the camera lens of endoscope stretches out external length overlength, and lead to the problem of excessive puncture.

In order to achieve the above object, the utility model provides a following technical scheme:

a medical endoscope handle with a limiting structure comprises a near-end handle, wherein a guide rod is arranged on the near-end handle and is in insertion fit with the near-end handle, a sleeve connecting piece is arranged at the far end of the guide rod and is in insertion fit with the guide rod, a locking ring for limiting the insertion length of the guide rod is further arranged on the guide rod and is in sliding connection with the guide rod, a plurality of arc-shaped grooves are formed in the outer surface of the guide rod, limiting blocking pieces for limiting the locking ring are further arranged on the guide rod and are in insertion fit with the arc-shaped grooves, the guide rod is subjected to limiting locking effect through the mutual cooperation of the locking ring and the limiting blocking pieces, the depth of the guide rod inserted into the near-end handle is adjusted, and medical staff can adjust the length of the endoscope extending out of the outside when in use, preventing the occurrence of an over-penetration condition.

Preferably, the limiting blocking piece is in a semicircular ring shape, so that the semicircular limiting blocking piece can be conveniently pulled out and inserted.

Preferably, the surface both sides of guide bar all are provided with the straight flute, just the lock ring passes through the straight flute with guide bar sliding connection, the gliding effect is realized to the direction that the lock ring of being convenient for extends along the straight flute.

Preferably, the both sides of lock ring inner wall all are provided with the arch, one side of straight flute is equipped with a plurality of side channels, the arch is in slide in the straight flute, rotate the lock ring makes protruding card inserts in the side channel, the realization is right the grafting length of guide bar carries on spacingly.

Preferably, the guide rod is provided with scale marks, so that the length of the guide rod in an inserted connection mode can be displayed visually by the aid of the scale marks conveniently.

Preferably, the near end of the guide rod is fixedly connected with a limiting ring, so that the insertion length of the sleeve connecting piece is limited by the limiting ring.

Preferably, the proximal end of the proximal handle is connected with a first gasket, the distal end of the proximal handle is connected with a luer connector, the luer connector is used for connecting the proximal handle with an external medical pipeline, and the first gasket prevents the proximal handle from being in rigid contact with the guide rod, so that a protection effect is achieved.

Preferably, the first gasket with luer all is provided with the buckle on the joint, just first gasket with luer all through buckle structure with the mutual joint of draw-in groove that sets up in the near-end handle, be convenient for first gasket and luer connect and install on the near-end handle.

Preferably, the near-end of bushing spare is connected with the second gasket, just the second gasket with bushing spare joint cooperation, the second gasket can prevent to take place rigid contact between bushing spare and the guide bar, plays the effect of protection.

Preferably, the second gasket is provided with a buckle, and the second gasket is matched with a clamping groove in a clamping manner through a buckle structure, so that the second gasket can be conveniently installed on the near-end handle.

Preferably, the limiting blocking piece and the locking ring are connected with an anti-lost rope, and the anti-lost rope is convenient to use to prevent the limiting blocking piece from being lost.

Preferably, the anti-lost rope is an elastic rope, and the elastic rope has a good stretching effect and is convenient to store and use.

Preferably, the upper surface of spacing separation blade is equipped with first screw, the surface of lock ring is equipped with the second screw, the both ends of preventing losing the rope all are provided with the bolt, just the both ends of preventing losing the rope are passed through the bolt respectively with first screw and second screw threaded connection, be convenient for will prevent losing the both ends of rope and be connected and install with lock ring and spacing separation blade respectively.

Preferably, the diapire of arc wall is provided with first anti-skidding line, the inner wall of spacing separation blade is provided with second anti-skidding line, utilizes first anti-skidding line and second anti-skidding line, improves the frictional force between spacing separation blade and the arc wall diapire, prevents that spacing separation blade from droing on the arc wall.

According to the technical scheme, the medical endoscope handle with the limiting structure has the advantages that the effect of limiting and locking the guide rod is achieved by mutually matching the locking ring and the limiting blocking piece, the depth of the guide rod in the handle at the near end is adjusted, medical workers can adjust the length of the endoscope extending out of the outside when using the medical endoscope handle, and the situation of excessive puncture is prevented.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the proximal handle of the present invention;

FIG. 3 is a schematic view of the guide bar of the present invention;

FIG. 4 is a schematic structural view of the middle sleeve connector of the present invention;

fig. 5 is a partial schematic structural view of a guide bar in embodiment 2 of the present invention;

fig. 6 is a schematic structural view of an anti-lost rope in embodiment 2 of the present invention.

In the figure: 1. a proximal handle; 11. a first gasket; 12. a luer fitting; 2. a guide bar; 21. scale marks; 211. an arc-shaped slot; 212. a first anti-skid pattern; 22. a limiting baffle plate; 221. a first screw hole; 222. a second anti-skid pattern; 23. a limiting ring; 24. a straight groove; 241. a side groove; 25. a locking ring; 251. a protrusion; 3. a casing connector; 31. a second gasket; 4. preventing the rope from being lost; 41. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but 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 therefore should not be construed as limiting the present invention.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

According to the existing endoscope technology, the endoscope is inserted into a patient body through the endoscope handle, and when the endoscope handle is used, the length of the lens of the endoscope extending out of the outside is too long, so that the situation of excessive puncture occurs, and the operation result is influenced.

The inventor of the present application has found that the reason why the length of the lens of the endoscope extending outside is too long occurs in the endoscope of the prior art because the endoscope of the prior art does not have the capability of adjusting and locking the length of the handle. In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:

example 1

A medical endoscope handle with a limiting structure is disclosed, as shown in figures 1-4, comprising a near-end handle 1, a guide rod 2 is arranged on the near-end handle 1, the guide rod 2 is in insertion fit with the near-end handle 1, a sleeve connector 3 is arranged at the far end of the guide rod 2, the sleeve connector 3 is in insertion fit with the guide rod 2, a locking ring 25 for limiting the insertion length of the guide rod 2 is further arranged on the guide rod 2, the locking ring 25 is slidably connected on the guide rod 2, a plurality of arc-shaped grooves 211 are arranged on the outer surface of the guide rod 2, a limiting baffle 22 for limiting the locking ring 25 is further arranged on the guide rod 2, the limiting baffle 22 is in a semi-circular shape, the limiting baffle 22 is in insertion fit with the arc-shaped grooves 211, straight grooves 24 are arranged on both sides of the outer surface of the guide rod 2, the locking ring 25 is slidably connected with the guide rod 2 through the straight grooves 24, protrusions 251 are, one side of straight flute 24 is equipped with a plurality of side grooves 241, arch 251 slides in straight flute 24, rotation lock ring 25, make in protruding 251 joint income side groove 241, the realization is spacing to the grafting length of guide bar 2, when the guide bar 2 is pegged graft and is gone into near-end handle 1 interior suitable position department, lock ring 25 can play limiting displacement to guide bar 2, prevent that guide bar 2 from continuing to stretch into near-end handle 1, and spacing separation blade 22 can play limiting displacement to lock ring 25, prevent that lock ring 25 from taking place to become flexible in side groove 241, with this degree of depth that regulation and locking guide bar 2 insert near-end handle 1, be convenient for medical personnel adjust the endoscope when using and stretch out external length, the situation of excessive puncture prevents to appear.

In this embodiment, the side grooves 241 of the two straight grooves 24 are arranged clockwise, so that the protrusions 251 can slide into the side grooves 241 clockwise when the locking ring 25 is locked by rotating clockwise.

Further, the arc-shaped slot 211 is perpendicularly intersected with the straight slot 24, and the arc-shaped slot 211 is positioned on one side of the side slot 241 and is attached to the side slot 241.

Besides, the guide rod 2 is provided with the scale marks 21, so that the length of the guide rod 2 in insertion can be visually displayed by using the scale marks 21.

It should be noted that the proximal end of the guide rod 2 is fixedly connected with a limiting ring 23, so that the insertion length of the sleeve connector 3 is limited by the limiting ring 23.

Specifically, one end of the near-end handle 1 close to the guide rod 2 is connected with a first gasket 11, the other end of the near-end handle 1 is connected with a luer connector 12, the first gasket 11 and the luer connector 12 are provided with buckles, the first gasket 11 and the luer connector 12 are mutually clamped with a clamping groove formed in the near-end handle 1 through a buckle structure, the luer connector 12 is used for connecting the near-end handle 1 with an external medical pipeline, the first gasket 11 prevents the near-end handle 1 from being in rigid contact with the guide rod 2, and a protection effect is achieved.

It is worth noting that the near end of the casing pipe connecting piece 3 is connected with a second gasket 31, the second gasket 31 is in clamping fit with the casing pipe connecting piece 3, a buckle is arranged on the second gasket 31, the second gasket 31 is in clamping fit with a clamping groove arranged on the casing pipe connecting piece 3 through a buckle structure, and the second gasket 31 prevents the casing pipe connecting piece 3 and the guide rod 2 from being in rigid contact, so that the protection effect is achieved.

In this embodiment, the protrusions 251 on both sides of the inner wall of the locking ring 25 are abutted with the straight slot 24 and then sleeved on the guide rod 2, and the guide rod 2 is inserted into the proximal handle 1 by a suitable length, and the locking ring 25 slides to the connecting end of the guide rod 2 and the proximal handle 1 through the straight slot 24, and the locking ring 25 is rotated clockwise, so that the protrusions 251 slide into the side slot 241 on one side of the straight slot 24, therefore, the position of the locking ring 25 is locked, and the locking ring 25 can limit the guide rod 2 to prevent the guide rod 2 from continuing to extend into the proximal handle 1, and meanwhile, the limiting blocking piece 22 is inserted into the arc-shaped slot 211 on one side close to the locking ring 25, so that the limiting blocking piece 22 can limit the locking ring 25 to prevent the locking ring 25 from loosening in the side slot 241, thereby adjusting and locking the depth of the guide rod 2 inserted into the proximal handle 1, and facilitating the medical staff to adjust the length of the endoscope extending out of the outside when in use, preventing the occurrence of an over-penetration condition.

Example 2

Referring to fig. 5 and fig. 6, the second technical solution provided by the present invention:

in order to prevent the loss of the limiting blocking piece 22 in the using process, the structure of the limiting blocking piece 22 is improved by the invention, as a preferred embodiment, an anti-lost rope 4 is connected between the limiting blocking piece 22 and the locking ring 25, so that the limiting blocking piece 22 is conveniently connected to the locking ring 25 by using the anti-lost rope 4, and the loss of the limiting blocking piece 22 is prevented.

In this embodiment, the anti-lost rope 4 is an elastic rope, and may be a connection rope made of other elastic materials such as rubber bands.

Further, the upper surface of spacing separation blade 22 is equipped with first screw 221, the surface of lock ring 25 is equipped with second screw 252, the both ends of preventing losing rope 4 all are provided with bolt 41, and the both ends of preventing losing rope 4 pass through bolt 41 respectively with first screw 221 and second screw 252 threaded connection, be convenient for will prevent losing the both ends of rope 4 and fix with spacing separation blade 22 and lock ring 25 respectively, also can adopt modes such as bolt will prevent losing the both ends of rope 4 and fix with spacing separation blade 22 and lock ring 25 respectively.

It is worth to be noted that the bottom wall of the arc-shaped groove 211 is provided with first anti-slip threads 212, the inner wall of the limiting blocking piece 22 is provided with second anti-slip threads 222, and the first anti-slip threads 212 and the second anti-slip threads 222 are utilized to improve the friction force between the limiting blocking piece 22 and the bottom wall of the arc-shaped groove 211 and prevent the limiting blocking piece 22 from falling off from the arc-shaped groove 211.

In this embodiment, be connected with between spacing separation blade 22 and the lock ring 25 and prevent losing rope 4, be convenient for utilize prevent losing rope 4 and connect spacing separation blade 22 on the lock ring 25, prevent that spacing separation blade 22 from losing, simultaneously, utilize first anti-skidding line 212 and second anti-skidding line 222, improve the frictional force between spacing separation blade 22 and the arc wall 211 diapire, prevent that spacing separation blade 22 from coming off from arc wall 211.

When the medical endoscope handle with the limit structure is used, the bulges 251 on both sides of the inner wall of the locking ring 25 are butted and matched with the straight groove 24 and then are sleeved on the guide rod 2, the guide rod 2 is inserted into the near-end handle 1 by a proper length, the locking ring 25 slides to the connecting end of the guide rod 2 and the near-end handle 1 through the straight groove 24 and rotates the locking ring 25 clockwise, so that the bulges 251 slide into the side groove 241 on one side of the straight groove 24, therefore, the position of the locking ring 25 is locked, the locking ring 25 can play a limiting role for the guide rod 2, the guide rod 2 is prevented from continuously extending into the near-end handle 1, meanwhile, the limit baffle 22 is inserted into the arc-shaped groove 211 close to one side of the locking ring 25, the limit baffle 22 can play a limiting role for the locking ring 25, the locking ring 25 is prevented from loosening in the side groove 241, the depth of the guide rod 2 inserted into the near-end handle 1 is adjusted and locked, be convenient for medical personnel adjust the endoscope when using and stretch out external length, prevent the situation of excessive puncture, furthermore, be connected with between spacing separation blade 22 and the lock ring 25 and prevent losing rope 4, be convenient for utilize and prevent losing rope 4 and connect spacing separation blade 22 on lock ring 25, prevent that spacing separation blade 22 from losing, and simultaneously, utilize first anti-skidding line 212 and second anti-skidding line 222, improve the frictional force between spacing separation blade 22 and the arc wall 211 diapire, prevent that spacing separation blade 22 from droing from arc wall 211, and is easy and simple to handle, moreover, the steam generator is simple in structure, and is convenient for popularize and promote.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a take limit structure's medical endoscope handle, includes near-end handle, its characterized in that: be equipped with the guide bar on the near-end handle, just the guide bar with the cooperation of pegging graft of near-end handle, the distal end of guide bar is equipped with bushing spare, just bushing spare with the cooperation of pegging graft of guide bar, still be equipped with on the guide bar and carry out spacing lock ring to its grafting length, just lock ring sliding connection be in on the guide bar, the surface of guide bar is equipped with a plurality of arc walls, it is right still to be equipped with on the guide bar the lock ring carries out spacing separation blade, just spacing separation blade with the cooperation of pegging graft of arc wall.

2. The medical endoscope handle with the position limiting structure according to claim 1, characterized in that: the limiting blocking piece is in a semicircular ring shape.

3. The medical endoscope handle with the position limiting structure according to claim 1, characterized in that: the outer surface both sides of guide bar all are provided with the straight flute, just the lock ring passes through the straight flute with guide bar sliding connection.

4. The medical endoscope handle with the position limiting structure according to claim 3, characterized in that: the both sides of lock ring inner wall all are provided with the arch, one side of straight flute is equipped with a plurality of side channels, the arch is in slide in the straight flute, rotate the lock ring makes protruding card inserts in the side channel, the realization is right the grafting length of guide bar carries on spacingly.

5. The medical endoscope handle with the position limiting structure according to claim 1, characterized in that: the proximal end of the proximal handle is connected with a first gasket, and the distal end of the proximal handle is connected with a luer connector.

6. The medical endoscope handle with the position limiting structure according to claim 1, characterized in that: the near-end of bushing spare is connected with the second gasket, just the second gasket with bushing spare joint cooperation.

7. The medical endoscope handle with the position limiting structure according to claim 1, characterized in that: an anti-lost rope is connected between the limiting blocking piece and the locking ring.

8. The medical endoscope handle with the position limiting structure according to claim 7, wherein: the anti-lost rope is an elastic rope.

9. The medical endoscope handle with the position limiting structure according to claim 7, wherein: the upper surface of spacing separation blade is equipped with first screw, the surface of lock ring is equipped with the second screw, the both ends of preventing losing the rope all are provided with the bolt, just the both ends of preventing losing the rope are passed through the bolt respectively with first screw and second screw threaded connection.

10. The medical endoscope handle with the position limiting structure according to claim 7, wherein: the bottom wall of the arc-shaped groove is provided with first anti-slip lines, and the inner wall of the limiting blocking piece is provided with second anti-slip lines.