CN213429969U

CN213429969U - Medical endoscope handle with telescopic locking mechanism

Info

Publication number: CN213429969U
Application number: CN202021199197.3U
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 medical endoscope handle of flexible locking mechanism in area, 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, be equipped with bushing piece on the guide bar, just the guide bar with bushing piece cooperation of pegging graft, the surface both sides of guide bar all are provided with the straight flute, still be equipped with on the guide bar and carry out spacing lock ring to its grafting length, just the lock ring passes through the straight flute with guide bar sliding connection. This medical endoscope handle of flexible locking mechanism in area utilizes the locking ring to play limiting displacement to the guide bar, realizes carrying out spacing effect to guide bar grafting length, and the flexible volume when can adjusting guide bar and near-end handle grafting, the medical personnel of being convenient for use in actual operation.

Description

Medical endoscope handle with telescopic locking mechanism

Technical Field

The utility model relates to an endoscope handle technical field specifically is a medical endoscope handle of flexible locking mechanism in area.

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, current endoscope technique stretches into the patient internal with the speculum through the endoscope handle, and the endoscope handle is when using, and the flexible volume at the regulation handle position of being not convenient for, or the locking is unstable after adjusting flexible volume, causes the phenomenon that the handle rocked when the operation, influences the operation effect. In view of this, we propose a medical endoscope handle with a telescopic locking mechanism.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical endoscope handle of flexible locking mechanism in area to solve the problem that provides among the above-mentioned background art.

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

a medical endoscope handle with a telescopic locking mechanism comprises a near-end handle, a guide rod is arranged on the near-end handle, the guide rod is matched with the near-end handle in an inserting way, a sleeve connecting piece is arranged on the guide rod, the guide rod is matched with the sleeve connecting piece in an inserting way, both sides of the outer surface of the guide rod are provided with straight grooves, the guide rod is also provided with a locking ring for limiting the inserting length of the guide rod, the locking ring is connected with the guide rod in a sliding way through the straight groove, the locking ring is used for limiting the guide rod, the effect of limiting the insertion length of the guide rod is realized, and the telescopic amount of the guide rod when the guide rod is inserted into the near-end handle can be adjusted, the problem that the telescopic amount of the handle part is inconvenient to adjust is solved, or the handle is unstable after the telescopic amount is adjusted, so that the handle is rocked during operation, and the medical staff can use the handle in actual operation conveniently.

Preferably, be equipped with a plurality of side channels on the straight flute, the inner wall both sides of lock ring all are provided with the thread slipping, just the thread slipping is in the straight flute with slide in the side channel, be convenient for slide the thread slipping and slide in the side channel, realize the fixed and locking of lock ring position.

Preferably, when the guide bar is inserted near end handle to assigned position, will the lock ring passes through the straight flute slides to pressing close to the one end of near end handle, and rotates the lock ring makes the thread slipping slides in the side inslot, with this realization to guide bar grafting length carries out spacing effect.

Preferably, be located the both sides of side groove tip all are provided with the breach, four surfaces of thread slipping all are provided with the telescopic resistance piece, the one end of resistance piece all protrudes the surface of thread slipping, just the thread slipping is located when being located the straight flute, lie in about the both sides inner wall laminating of resistance piece and straight flute on the terminal surface, the thread slipping is located when being located on the side flute, be located the front and back terminal surface the resistance piece with the cooperation of breach joint makes the static friction grow between thread slipping and the straight flute both sides inner wall through the resistance piece, prevents that the lock ring from sliding at will in the straight flute, and can prevent that the lock ring from appearing droing after the locking.

Preferably, four surfaces of thread slipping all are provided with the recess, the resistance is located in the recess, still be equipped with the spring in the recess, just the one end of spring with resistance fixed connection, the other end of spring with the diapire fixed connection of recess, the elastic action of the spring of being convenient for utilize, when the resistance received the extrusion, in the indentation recess.

Preferably, one end of the resistance piece protruding out of the outer surface of the slide fastener is rotatably connected with a pulley, the dynamic friction force between the resistance piece and the inner walls of the two sides is reduced by the pulley, and the sliding locking ring is more convenient to slide.

Preferably, the pulley is connected with the resistance part in a rotating mode through a rotating shaft, and the pulley is convenient to rotate around the rotating shaft.

Preferably, the outer surface of guide bar is provided with the scale mark, is convenient for utilize the audio-visual length that shows the guide bar grafting of scale mark.

Preferably, the position department that the diapire of straight flute is close to near-end handle one end is provided with right the lock ring plays limiting displacement's arch, prevents that the lock ring from droing from the guide bar.

Preferably, the both ends of guide bar all are provided with the block, just the block with the cooperation of guide bar joint, the block can play certain guard action to the both ends of guide bar.

Preferably, the both ends of guide bar all are provided with the card hole, be provided with the buckle on the block, just the block passes through the buckle with the cooperation of card hole joint is convenient for install the block at the both ends of guide bar.

Preferably, the near end of the guide rod is fixedly connected with a limiting ring, so that the depth of the sleeve connecting piece inserted into the guide rod 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 first gasket can prevent the proximal handle from being in rigid contact with the guide rod, a protection effect is achieved, and the luer connector is used for being connected with an external pipeline.

Preferably, the first gasket with luer all is provided with the buckle on the joint, just first gasket with luer all through the buckle 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 bushing piece is close to the one end of guide bar is provided with the second gasket, just the second gasket with bushing piece joint cooperation, the second gasket can prevent to take place rigid contact between bushing piece 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 arranged on the sleeve connecting piece in a clamping manner through the buckle, so that the second gasket can be conveniently installed on the near-end handle.

Based on the above, this medical endoscope handle of flexible locking mechanism in area mutually supports through lock ring and straight flute and side groove for the lock ring can play limiting displacement to the guide bar, realizes carrying out spacing effect to guide bar grafting length, and can adjust the flexible volume when guide bar and near-end handle are pegged graft, the medical personnel of being convenient for use in actual operation.

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 structural 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 top view of the slide fastener according to embodiment 2 of the present invention;

fig. 7 is an enlarged view of a structure in fig. 6 according to the present invention.

In the figure: 1. a proximal handle; 11. a first gasket; 12. a luer fitting; 2. a guide bar; 21. a straight groove; 211. a side groove; 212. a protrusion; 213. a clamping hole; 214. a notch; 22. a locking ring; 221. sliding and buckling; 222. a groove; 223. a resistance member; 224. a spring; 225. a pulley; 226. a rotating shaft; 23. scale marks; 24. capping; 241. buckling; 25. a limiting ring; 3. a casing connector; 31. a second gasket.

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.

The endoscope handle is inconvenient to adjust the telescopic quantity of the handle part or unstable after adjusting the telescopic quantity, so that the handle shakes during operation to influence the operation effect. The inventors of the present application have found that the above-described problem arises because the medical endoscope handle of the related art does not have a telescopic locking mechanism. 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 telescopic locking mechanism 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 connecting piece 3 is arranged on the guide rod 2, the guide rod 2 is in insertion fit with the sleeve connecting piece 3, straight grooves 21 are arranged on two sides of the outer surface of the guide rod 2, a locking ring 22 for limiting the insertion length of the guide rod 2 is further arranged on the guide rod 2, the locking ring 22 is in sliding connection with the guide rod 2 through the straight grooves 21, a plurality of side grooves 211 are arranged on the straight grooves 21, sliding buckles 221 are arranged on two sides of the inner wall of the locking ring 22, the sliding buckles 221 slide in the straight grooves 21 and the side grooves 211, when the guide rod 2 is inserted into the near-end handle 1 to a designated position, the locking ring 22 slides to one end close to the near-end handle 1 through the straight grooves 21 and rotates the locking ring, with this realization to 2 grafting lengths of guide bar carry out spacing effect, and can adjust the flexible volume when 2 pegs graft with near-end handle 1 of guide bar, the use of the medical personnel in actual operation of being convenient for.

In this embodiment, the side slots 211 disposed on the two straight slots 21 are arranged clockwise, so that the sliding fastener 221 can slide into the side slots 211 clockwise when the locking ring 22 is locked by rotating clockwise.

Furthermore, the outer surface of the guide rod 2 is provided with a scale mark 23, so that the length of the guide rod 2 in insertion can be visually displayed by using the scale mark 23.

Furthermore, a protrusion 212 for limiting the locking ring 22 is disposed at a position of the bottom wall of the straight groove 21 near one end of the proximal handle 1, so that the protrusion 212 can block the sliding buckle 221 sliding in the straight groove 21, and the locking ring 22 can be prevented from falling off from the guide rod 2.

It is worth to say that, both ends of guide bar 2 all are provided with block 24, and block 24 and the cooperation of guide bar 2 joint, and block 24 can play certain guard action to the both ends of guide bar 2, and is provided with the perforation on the block 24, and the endoscope camera lens of being convenient for and other circuits run through whole handle through the perforation.

Specifically, both ends of guide bar 2 all are provided with card hole 213, are provided with buckle 241 on block 24, and block 24 passes through buckle 241 and the cooperation of card hole 213 joint, are convenient for utilize the mode of joint to fix two blocks 24 respectively at the both ends of guide bar 2.

In addition, the near end of the guide rod 2 is fixedly connected with a limiting ring 25, so that the depth of the sleeve connecting piece 3 inserted into the guide rod 2 is limited by the limiting ring 25.

It is worth noting that the proximal end of the proximal handle 1 is connected with a first gasket 11, the distal end of the proximal handle 1 is connected with a luer 12, the first gasket 11 and the luer 12 are both provided with a buckle, and the first gasket 11 and the luer 12 are both mutually clamped with a clamping groove arranged in the proximal handle 1 through the buckle, the first gasket 11 can prevent the proximal handle 1 and the guide rod 2 from being in rigid contact to play a role in protection, and the luer 12 is used for connecting an external pipeline.

Further, the one end that bushing piece 3 is close to guide bar 2 is provided with second gasket 31, and second gasket 31 and the cooperation of the 3 joints of bushing piece, is equipped with the buckle on the second gasket 31, and second gasket 31 passes through the draw-in groove joint cooperation that the buckle set up on buckle and the bushing piece 3, and second gasket 31 can prevent to take place rigid contact between bushing piece 3 and the guide bar 2, plays the effect of protection.

In this embodiment, the slide fasteners 221 on both sides of the inner wall of the locking ring 22 are all abutted with the straight slot 21 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 22 slides to the connecting end of the guide rod 2 and the proximal handle 1 through the straight slot 21, and the locking ring 22 is rotated clockwise, so that the slide fasteners 221 slide into the side slots 211 on one side of the straight slot 21, therefore, the position of the locking ring 22 is locked, and the locking ring 22 can limit the guide rod 2, and prevent the guide rod 2 from continuing to extend into the proximal handle 1, thereby limiting the insertion length of the guide rod 2, adjusting the amount of extension when the guide rod 2 is inserted into the proximal handle 1, and facilitating the use of medical care personnel in actual operation.

Example 2

Referring to fig. 5-7, the second technical solution provided by the present invention is:

in order to facilitate the sliding of the sliding buckle 221 in the straight groove 21 and prevent the locking ring 22 from falling off after being locked, the inventor improves the structures of the side groove 211 and the locking ring 22, as a preferred embodiment, notches 214 are provided on both sides of the end portion of the side groove 211, telescopic resistance members 223 are provided on all four outer surfaces of the sliding buckle 221, one end of each resistance member 223 protrudes out of the outer surface of the sliding buckle 221, when the sliding buckle 221 is located on the straight groove 21, the resistance members 223 located on the left and right end surfaces are attached to the inner walls of both sides of the straight groove 21, when the sliding buckle 221 is located on the side groove 211, the resistance members 223 located on the front and rear end surfaces are in clamping fit with the notches 214, grooves 222 are provided on all four outer surfaces of the sliding buckle 221, the resistance members 223 are located in the grooves 222, springs 224 are further provided in the grooves 222, one ends of the springs 224 are fixedly connected with the resistance members 223, and the other ends of the springs 224, when the slider 221 is in the straight groove 21, the inner wall of the straight groove 21 extrudes the resistance piece 223 of the left and right end faces inwards, so that the resistance piece 223 is contracted in the groove 222, the static friction force between the slider 221 and the inner walls of the two sides of the straight groove 21 is increased through the resistance piece 223, the locking ring 22 is prevented from sliding randomly in the straight groove 21, meanwhile, when the locking ring 22 is rotated to enable the slider 221 to slide into the side groove 211, the space of the resistance piece 223 of the front and rear end faces at the position of the notch 214 is widened, the resistance piece 223 is ejected out by the spring 224, the clamping effect is realized, and the locking ring 22 is prevented from falling off after being locked.

Furthermore, one end of the resistance member 223 protruding the outer surface of the slider 221 is rotatably connected with a pulley 225, the pulley 225 is rotatably connected with the resistance member 223 through a rotating shaft 226, and the sliding of the locking ring 22 is facilitated by the pulley 225, so that the dynamic friction between the resistance member 223 and the inner walls on the two sides is reduced under the condition of applying force to the locking ring 22.

It should be noted that the part of the pulley 225 protruding the end surface of the resistance member 223 is semispherical or less than semispherical, so as to ensure that the pulley 225 on the front and rear end surfaces of the slider 221 can be clamped when sliding into the notch 214, and can slide out of the notch 214 again without hindering the unlocking action of the lock ring 22.

In this embodiment, when the slider 221 is in the straight groove 21, the inner wall of the straight groove 21 extrudes the resistance piece 223 of the left and right end surfaces inwards, so that the resistance piece 223 is contracted in the groove 222, the static friction between the slider 221 and the inner walls of the two sides of the straight groove 21 is increased through the resistance piece 223, and the locking ring 22 is prevented from sliding freely in the straight groove 21, meanwhile, when the slider 221 slides into the side groove 211 by rotating the locking ring 22, the space of the resistance piece 223 of the front and rear end surfaces at the position of the notch 214 is widened, so that the spring 224 ejects out the resistance piece 223, thereby realizing the clamping effect, preventing the locking ring 22 from falling off after being locked, meanwhile, the resistance piece 223 is rotatably connected with the pulley 225, so as to reduce the dynamic friction between the resistance piece 223 and the inner walls of the two sides under the condition of applying force to the locking ring 22, and the sliding of the locking ring 22 is more convenient, the structure is simple, and the.

When the medical endoscope handle with the telescopic locking mechanism of the utility model is used, the slide fasteners 221 on both sides of the inner wall of the locking ring 22 are sleeved on the guide rod 2 after being butted and matched with the straight groove 21, the guide rod 2 is inserted into the near-end handle 1 by a proper length, the locking ring 22 slides to the connecting end of the guide rod 2 and the near-end handle 1 through the straight groove 21, and the locking ring 22 is rotated clockwise, so that the slide fasteners 221 slide into the side groove 211 on one side of the straight groove 21, therefore, the position of the locking ring 22 is locked, the locking ring 22 can play a limiting role on the guide rod 2, the guide rod 2 is prevented from continuously extending into the near-end handle 1, thereby realizing the limiting effect on the inserting length of the guide rod 2, and the telescopic amount of the guide rod 2 and the near-end handle 1 can be adjusted, the medical personnel can use the handle in actual operation conveniently, in addition, when the slide fasteners 221 are in the straight groove 21, the inner wall of the straight groove 21 extrudes the resistance piece 223 of the left and right, make resistance 223 shrink in recess 222, make the static frictional force grow between thread slipping 221 and the straight flute 21 both sides inner wall through resistance 223, prevent that lock ring 22 from sliding at will in straight flute 21, and simultaneously, when rotating lock ring 22 and making thread slipping 221 slide in the side groove 211, the space widen of resistance 223 in breach 214 position department of front and back terminal surface, make spring 224 ejecting resistance 223, with this effect that realizes the joint, prevent that lock ring 22 from appearing droing after the locking, and simultaneously, it is connected with pulley 225 to rotate on resistance 223, be convenient for under the condition to lock ring 22 application of force, reduce the dynamic frictional force between resistance 223 and the both sides inner wall, it is more convenient when sliding lock ring 22, moreover, the steam generator is simple in structure, and convenient for operation, and the popularization and popularization are facilitated.

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 medical endoscope handle of flexible locking mechanical system in area, includes the near-end handle, its characterized in that: the utility model discloses a locking device, 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, be equipped with bushing spare on the guide bar, just the guide bar with bushing spare is pegged graft and is cooperated, the surface both sides of guide bar all are provided with the straight flute, still be equipped with on the guide bar and carry out spacing lock ring to its grafting length, just the lock ring passes through the straight flute with guide bar sliding connection.

2. The medical endoscope handle with telescopic locking mechanism of claim 1, wherein: the straight flute is provided with a plurality of side grooves, the two sides of the inner wall of the locking ring are both provided with sliding buckles, and the sliding buckles are arranged in the straight flute and the side grooves to slide.

3. The medical endoscope handle with telescopic locking mechanism of claim 2, wherein: the guide bar inserts when near-end handle to assigned position, will the lock ring passes through the straight flute slides to pressing close to the one end of near-end handle, and rotate the lock ring makes the thread slipping slides in the side inslot, with this realization is right guide bar grafting length carries out spacing effect.

4. The medical endoscope handle with telescopic locking mechanism of claim 2, wherein: lie in the both sides of side cut tip all are provided with the breach, four surfaces of thread slipping all are provided with telescopic resistance piece, the one end of resistance piece all protrudes the surface of thread slipping, just the thread slipping is located when being located the straight flute, lie in about the both sides inner wall laminating of resistance piece and straight flute on the terminal surface, the thread slipping is located when being located on the side flute, lie in the front and back terminal surface the resistance piece with the cooperation of breach joint.

5. The medical endoscope handle with telescopic locking mechanism of claim 4, wherein: four surfaces of the slide fastener are provided with grooves, the resistance pieces are located in the grooves, springs are further arranged in the grooves, one ends of the springs are fixedly connected with the resistance pieces, and the other ends of the springs are fixedly connected with the bottom walls of the grooves.

6. The medical endoscope handle with telescopic locking mechanism of claim 4, wherein: one end of the resistance piece, which protrudes out of the outer surface of the slide fastener, is rotatably connected with a pulley.

7. The medical endoscope handle with telescopic locking mechanism of claim 6, wherein: the pulley is connected with the resistance piece through the rotating shaft.

8. The medical endoscope handle with telescopic locking mechanism of claim 1, wherein: the bottom wall of the straight groove is provided with a bulge which is used for limiting the locking ring at the position close to one end of the near-end handle.

9. The medical endoscope handle with telescopic locking mechanism of claim 1, wherein: the two ends of the guide rod are provided with caps, and the caps are matched with the guide rod in a clamping manner.

10. The medical endoscope handle with telescopic locking mechanism of claim 9, wherein: the both ends of guide bar all are provided with the card hole, be provided with the buckle on the block, just the block passes through the buckle with card hole joint cooperation.