CN215605585U - Wheel disc traction type sheath pipe bending adjusting handle - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of sheath pipe bending adjustment. The utility model discloses a wheel disc traction type sheath pipe bending adjusting handle, which comprises: the handle comprises a handle body, a sheath tube and a wheel disc traction assembly; the handle body is formed by oppositely buckling an upper handle cover and a lower handle cover; the sheath tube is connected to the far end of the handle body, a pull rope is arranged in the sheath tube, and one end of the pull rope extending out of the sheath tube is connected with an electrode tip; the wheel disc traction assembly is arranged on the holding part of the handle body and used for drawing the pull rope to be retracted and retracted so as to realize the bending adjustment action of the sheath tube. According to the wheel disc traction type sheath tube bending adjusting handle, the pulling rope is pulled through the wheel disc traction assembly to bend the sheath tube, the operation is simpler and more convenient, the flexibility of the sheath tube is easy to control, and the problems that the position of the sheath tube is difficult to adjust and the sheath tube is difficult to stabilize after the position is adjusted in the prior art are solved.

Description

Wheel disc traction type sheath pipe bending adjusting handle

Technical Field

The embodiment of the utility model relates to the technical field of sheath pipe bending adjustment, in particular to a wheel disc traction type sheath pipe bending adjustment handle.

Background

In the operation processes of biopsy sampling, bacteriology, cytology examination and the like of a diseased region clinically by using a respiratory endoscope, a sheath tube (catheter) is often used as a channel to conveniently reach the diseased region.

In the prior art, the position of the sheath is difficult to adjust, the operation requirement of a doctor is extremely high, and the sheath is difficult to stably maintain at the current position after the position adjustment is finished.

Therefore, how to increase and provide an adjustable bent sheath tube adjusting handle with simple operation and accurate positioning is an urgent problem to be solved, and in view of this, a wheel disc traction type sheath tube bending adjusting handle is provided.

SUMMERY OF THE UTILITY MODEL

The wheel disc traction type sheath pipe bending adjusting handle has the advantages that the wheel disc traction assembly is arranged to pull the pull rope to bend the sheath pipe, operation is simpler and more convenient, the flexibility of the sheath pipe is easy to control, and the problems that in the prior art, the position of the sheath pipe is difficult to adjust, and the sheath pipe is difficult to stabilize after the position is adjusted are solved.

The embodiment of the utility model provides a wheel disc traction type sheath pipe bending adjusting handle, which comprises: the handle comprises a handle body, a sheath tube and a wheel disc traction assembly;

the handle body is formed by oppositely buckling an upper handle cover and a lower handle cover; the sheath tube is connected to the far end of the handle body, a pull rope is arranged in the sheath tube, and one end of the pull rope extending out of the sheath tube is connected with an electrode tip; the wheel disc traction assembly is arranged on the holding part of the handle body and used for drawing the pull rope to be retracted and retracted so as to realize the bending adjustment action of the sheath tube. The wheel disc traction assembly pulls the stay cord to enable the sheath pipe to be bent, the operation is simpler and more convenient, the flexibility of the sheath pipe is easy to control, and the problem that the position of the sheath pipe is difficult to adjust in the prior art is solved.

In one possible approach, the disc traction assembly includes: the wheel disc, the crank and the locking bolt;

the wheel disc is rotatably connected inside the handle body, and one end of the pull rope extending into the handle body is wound on the wheel disc; the crank is arranged outside the handle body and used for driving the wheel disc to rotate along the axial direction, so that the pull rope is retracted and extended on the wheel disc; the locking bolt is in threaded connection with one side of the lower handle cover, and one end of the locking bolt screwed into the lower handle cover abuts against the wheel disc to be locked. The mode that the crank is adopted to pull the wheel disc to rotate is convenient to use in the actual treatment process, so that the pull rope is wound and unwound on the wheel disc, and the operation is convenient and fast.

In a feasible scheme, the pull rope further comprises a limiting block, the limiting block is fixed on the lower handle cover, and one end of the pull rope penetrates through a through hole in the limiting block and is wound on the wheel disc. The limiting block can limit the pull rope to enable one end of the pull rope to be wound on the outer surface of the wheel disc in a more uniform mode.

In a feasible scheme, a first rotating shaft is arranged on the upper end face of the wheel disc, and a second rotating shaft is arranged on the lower end face of the wheel disc; the first rotating shaft extends out of the upper handle cover and is fixedly connected with the crank; the second rotating shaft is rotatably connected in the groove on the lower handle cover. The two rotating shafts are used for facilitating the rotation of the crank traction wheel around the central axis where the first rotating shaft and the second rotating shaft are located.

In a possible scheme, a through hole is formed in the upper handle cover, and the first rotating shaft extends out of the upper handle cover through the through hole; one end of the first rotating shaft, which extends out of the upper handle cover, is fixedly connected with the crank through a fixed bolt. The through holes are convenient to use, so that the first rotating shaft extends out of the upper handle cover to be fixed with the crank, the crank can pull the wheel disc to rotate, and the fixing bolt is convenient to connect and fix the first rotating shaft and the crank.

In a possible solution, an annular groove is provided at an end of the first rotating shaft, and the annular groove is used for limiting the first rotating shaft in the through hole. The use of ring channel can be spacing first pivot and through-hole contact site, prevents that the pivoted in-process of first pivot from taking place to rock.

In a feasible scheme, a soft rubber sleeve is sleeved on the crank handle. Utilize the flexible glue sleeve pipe can increase the frictional force on user's finger and crank surface, the rotation of the better handle control crank of user of being convenient for.

In one possible embodiment, the locking bolt is screwed to one side of the lower handle cover by a threaded pipe fixed to an outer surface of the lower handle cover and communicating with an inside of the lower handle cover. Utilize the screwed pipe can increase the spiral stroke of locking bolt, make the structure of its spiral position more firm to this realization utilizes the locking of locking bolt to the rim plate.

In one possible embodiment, the distal end of the handle body is screwed with a joint, and the proximal end of the sheath is fixed to the joint and extends into the handle body. The proximal end of the sheath tube is conveniently fixed at the distal end of the handle body by the joint, and the detachment is convenient.

In one possible embodiment, the proximal end face of the handle body is provided with two preformed holes. One of the two prefabricated holes is used for being connected with an external lead to electrify the electrode tip, and the other prefabricated hole is used for being connected with an external heat exchange medium conveying pipeline.

Based on the scheme, the pulling rope is pulled by the wheel disc traction assembly to bend the sheath pipe, specifically, the crank is used for pulling the wheel disc to axially rotate, so that the pulling rope is wound and unwound on the wheel disc, the pulling rope penetrating into the sheath pipe pulls the sheath pipe to bend, the operation is simpler and more convenient, the flexibility of the sheath pipe is easy to control, and the problems that the position of the sheath pipe is difficult to adjust in the prior art and the sheath pipe is difficult to stabilize after the position is adjusted are solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a transverse cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the handle body according to the present invention;

FIG. 4 is a longitudinal sectional view of a portion of the handle body of the present invention;

fig. 5 is a schematic view of the construction of the disc traction assembly of the present invention.

Reference numbers in the figures:

1. a handle body; 11. a handle cover is arranged; 111. a through hole; 12. a lower handle cover; 121. a groove; 13. a joint; 14. prefabricating holes; 2. a sheath tube; 21. pulling a rope; 3. a sheave traction assembly; 31. a wheel disc; 311. a first rotating shaft; 312. a second rotating shaft; 313. fixing the bolt; 32. a crank; 321. a soft rubber sleeve; 33. locking the bolt; 331. a threaded pipe; 34. a limiting block; 341. and (6) perforating.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the drawings for convenience in describing and simplifying the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

In the operation processes of biopsy sampling, bacteriology, cytology examination and the like of a diseased region clinically by using a respiratory endoscope, a sheath tube (catheter) is often used as a channel to conveniently reach the diseased region.

In the prior art, the position of the sheath is difficult to adjust, the operation requirement of a doctor is extremely high, and the sheath is difficult to stably maintain at the current position after the position adjustment is finished.

Fig. 1 is a schematic overall structure diagram of the present invention, fig. 2 is a transverse cross-sectional view of the overall structure of the present invention, fig. 3 is a schematic structural diagram of a handle body of the present invention, and as shown in fig. 1 to fig. 3, a wheel-disc traction type sheath bending adjusting handle of the present embodiment includes: the handle comprises a handle body 1, a sheath tube 2 and a wheel disc traction assembly 3;

the handle body 1 is formed by oppositely buckling an upper handle cover 11 and a lower handle cover 12, optionally, the upper handle cover 11 and the lower handle cover 12 of the handle body 1 in the embodiment can be buckled in a snap-fit manner, can also be buckled in a bolt and nut manner, and can also be integrally formed by injection molding; the sheath tube 2 is connected to the far end of the handle body 1, a pull rope 21 is arranged in the sheath tube 2, and one end of the pull rope 21 extending out of the sheath tube 2 is connected with an electrode tip 22, so that a complete sheath tube bending adjusting handle body is formed, and the sheath tube 2 is used for probing into subcutaneous tissues of a patient to send the electrode tip into the focus of the patient for radio frequency treatment;

fig. 4 is a longitudinal sectional view of a part of the structure of the handle body of the present invention, fig. 5 is a schematic structural view of the wheel disc traction assembly of the present invention, and as shown in fig. 4 and 5, the wheel disc traction assembly 3 is disposed at the grip portion of the handle body 1, and is used for retracting and releasing the traction rope 21 to realize the bending adjustment of the sheath tube 2, specifically, the wheel disc traction assembly 3 includes: a wheel disc 31, a crank 32, and a lock bolt 33; wherein, the wheel disc 31 is rotatably connected inside the handle body 1, and one end of the pull rope 21 extending into the handle body 1 is wound on the wheel disc 31; the crank 32 is arranged outside the handle body 1 and is used for driving the wheel disc 31 to rotate along the axial direction, so that the pull rope 21 is retracted and extended on the wheel disc 31; the locking bolt 33 is connected with one side of the lower handle cover 12 by screw thread, and one end of the locking bolt 33 screwed into the lower handle cover 12 is abutted against the wheel disc 31 for locking, therefore, when the wheel disc assembly 3 bends the sheath tube 2 at the far end of the handle body 1, the wheel disc 31 is axially rotated by rotating the crank 32, in the embodiment, when the crank 32 is rotated anticlockwise, the pull rope 21 is wound on the wheel disc 31, so that the electrode tip 22 connected with the end part of the pull rope 21 is pulled to be folded back in the winding process of the pull rope 21, at the moment, the sheath tube 2 is bent under the action of the traction force, when the crank 32 is rotated clockwise, the pull rope 21 is released from the wheel disc 31, similarly, in the releasing process of the pull rope 21, the sheath tube 2 is released, and the rotating position of the wheel disc 31 is fixed by using the locking bolt 33 after adjustment, so as to realize the effect of bending the sheath tube 2 at the far end of the handle body 1 by using the wheel disc traction assembly 3, the medical personnel of being convenient for transfer the curved handle to the sheath pipe and transfer the curve at the in-process of operation treatment, it is more simple and convenient to operate, easily the crookedness of accuse sheath pipe 2, and can realize the position locking.

In addition, the wheel disc traction assembly 3 further comprises a limiting block 34, the limiting block 34 is fixed on the lower handle cover 12, one end of the pull rope 21 penetrates through a through hole 341 in the limiting block 34 and is wound on the wheel disc 31, and the limiting block 34 is convenient for limiting the pull rope 21 so that one end of the pull rope can be wound on the outer surface of the wheel disc 31 more closely.

It should be noted that the upper end surface of the wheel disc 31 is provided with a first rotating shaft 311, and the lower end surface of the wheel disc 31 is provided with a second rotating shaft 312; wherein, the first rotating shaft 311 extends out of the upper handle cover 11 and is fixedly connected with the crank handle 32; the second rotating shaft 312 is rotatably connected in the groove 121 on the lower handle cover 12, and the two rotating shafts are used for respectively rotatably connecting the wheel disc 31 in the cavity between the upper handle cover 11 and the lower handle cover 12, so that the crank 32 pulls the wheel disc 31 to rotate around the central axis where the first rotating shaft 311 and the second rotating shaft 312 are located.

Specifically, the upper handle cover 11 is provided with a through hole 111, and the first rotating shaft 311 extends out of the upper handle cover 11 through the through hole 111; one end of the first rotating shaft 311 extending out of the upper handle cover 11 is fixedly connected with the crank 32 through the arranged fixing bolt 313, so that the first rotating shaft 311 can extend out of the upper handle cover 11 to be fixed with the crank 32 by utilizing the through hole 111, and the crank 32 can pull the wheel disc 31 to rotate.

Furthermore, an annular groove is formed in the end of the first rotating shaft 311 and used for limiting the first rotating shaft 311 in the through hole 111, and the contact position of the first rotating shaft 311 and the through hole 111 can be limited by the annular groove, so that the first rotating shaft 311 is prevented from shaking in the rotating process.

It is worth noting that the soft rubber sleeve 321 is sleeved on the crank handle 32, and the friction force between the fingers of the user and the surface of the crank handle 32 can be increased by using the soft rubber sleeve 321, so that the user can rotate the control crank handle 21 better.

Specifically, the locking bolt 33 is screwed on one side of the lower handle cover 12 through the threaded pipe 331, the threaded pipe 331 is fixed on the outer surface of the lower handle cover 12 and is communicated with the interior of the lower handle cover 12, the threaded pipe 311 can increase the spiral stroke of the locking bolt 33, so that the structure of the spiral position is more stable, and the locking of the wheel disc 31 by the locking bolt 33 is realized.

Further, the distal end screw thread of handle body 1 has connect 13 soon, and the proximal end portion of sheath pipe 2 is fixed on connecting 13 to stretch into in the handle body 1, be convenient for utilize to connect 13 to fix the proximal end of sheath pipe 2 at the distal end of handle body 1, the split is convenient.

In addition, the terminal surface of handle body 1 near-end is equipped with two prefabricated holes 14, and two prefabricated holes 14 one is used for connecting external wire and carries out the circular telegram to electrode tip 22, and another is then be used for connecting external heat transfer medium conveying line for carry heat transfer medium to electrode tip 22 on, and pass through electrode tip 22 with heat transfer medium and coat the focus position at the patient, and common heat transfer medium is physiological saline.

As can be seen from the above, when the wheel disc traction type sheath bending adjusting handle is used, the two prefabricated holes 14 at the proximal end of the handle body 1 are respectively used for connecting an external conducting wire and a heat exchange medium conveying pipeline, the electrode tip 22 is electrified and the focus of a patient is coated with a heat exchange medium through the electrode tip 22, meanwhile, the sheath 2 is punctured into the subcutaneous tissue of the patient through the traction of the handle body 1, and the electrode tip 22 reaches the focus position in the body of the patient, and in the traction process, the sheath 2 needs to be bent in order to facilitate the accurate arrival position of the electrode tip 22, so that the sheath can conveniently pass through the subcutaneous tissue, and the specific bending adjusting process is as follows: the handle body 1 pulls the pull rope 21 to drive the sheath tube 2 to bend through the arranged wheel disc traction assembly 3, specifically, the wheel disc 31 is enabled to rotate along the axial direction through rotating the crank 32, when the crank 32 is rotated anticlockwise in the embodiment, the pull rope 21 is wound on the wheel disc 31, so that the electrode tip 22 connected with the end part of the pull rope 21 is pulled to be folded back in the winding process of the pull rope 21, the sheath tube 2 is bent under the action of the traction force at the moment, when the crank 32 is rotated clockwise, the pull rope 21 is released from the wheel disc 31, similarly, in the releasing process of the pull rope 21, the sheath tube 2 is relaxed, and the rotating position of the locking bolt 33 disc 31 is utilized to fix the wheel after adjustment, so that the effect of utilizing the wheel disc traction assembly 3 to adjust the sheath tube 2 at the far end of the handle body 1 is realized, medical personnel can adjust the bending of the sheath tube in the operation treatment process, the operation is simpler and more convenient, and the bending of the sheath tube 2 is easy to control the bending degree of the sheath tube 2, and can realize the position locking, solve the position control difficulty of sheath pipe among the prior art, and after the position control finishes, difficult sheath pipe stable problem.

In the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first feature and the second feature or indirectly contacting the first feature and the second feature through an intermediate.

Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The utility model provides a wheel dish towed sheath pipe accent curved handle which characterized in that includes: the handle comprises a handle body, a sheath tube and a wheel disc traction assembly;

the handle body is formed by oppositely buckling an upper handle cover and a lower handle cover;

the sheath tube is connected to the far end of the handle body, a pull rope is arranged in the sheath tube, and one end of the pull rope extending out of the sheath tube is connected with an electrode tip;

the wheel disc traction assembly is arranged on the holding part of the handle body and used for drawing the pull rope to be retracted and retracted so as to realize the bending adjustment action of the sheath tube.

2. The wheel-pulling sheath bending adjustment handle according to claim 1, wherein the wheel-pulling assembly comprises: the wheel disc, the crank and the locking bolt;

the wheel disc is rotatably connected inside the handle body, and one end of the pull rope extending into the handle body is wound on the wheel disc;

the crank is arranged outside the handle body and used for driving the wheel disc to rotate along the axial direction, so that the pull rope is retracted and extended on the wheel disc;

the locking bolt is in threaded connection with one side of the lower handle cover, and one end of the locking bolt screwed into the lower handle cover abuts against the wheel disc to be locked.

3. The wheel disc traction type sheath pipe bending adjusting handle according to claim 2, further comprising a limiting block, wherein the limiting block is fixed on the lower handle cover, and one end of the pull rope penetrates through a through hole in the limiting block and is wound on the wheel disc.

4. The wheel disc traction type sheath bending adjusting handle according to claim 2, wherein a first rotating shaft is arranged on the upper end face of the wheel disc, and a second rotating shaft is arranged on the lower end face of the wheel disc;

the first rotating shaft extends out of the upper handle cover and is fixedly connected with the crank;

the second rotating shaft is rotatably connected in the groove on the lower handle cover.

5. The wheel disc traction type sheath bending adjusting handle as claimed in claim 4, wherein a through hole is formed in the upper handle cover, and the first rotating shaft extends out of the upper handle cover through the through hole;

one end of the first rotating shaft, which extends out of the upper handle cover, is fixedly connected with the crank through a fixed bolt.

6. The wheel-disc-traction-type sheath bending adjusting handle as claimed in claim 5, wherein an annular groove is provided at an end of the first rotating shaft, and the annular groove is used for limiting the first rotating shaft in the through hole.

7. The wheel disc traction type sheath pipe bending adjusting handle according to claim 2, wherein a soft rubber sleeve is sleeved on the crank.

8. The wheel disc traction type sheath bending handle according to claim 2, wherein the locking bolt is screwed on one side of the lower handle cover through a threaded pipe, and the threaded pipe is fixed on the outer surface of the lower handle cover and is communicated with the inside of the lower handle cover.

9. The wheel-traction-type sheath bending handle according to claim 1, wherein a joint is screwed on the distal end of the handle body, and the proximal end portion of the sheath is fixed on the joint and extends into the handle body.

10. The wheel-disc-traction-type sheath bending adjusting handle as claimed in claim 1, wherein the end face of the proximal end of the handle body is provided with two prefabricated holes.

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