CN217390672U - Soft lens insertion tube and soft lens - Google Patents

Abstract

A soft lens insertion tube comprises a tube body and a limiting piece, wherein the tube body comprises a plurality of ring penetrating holes, the ring penetrating holes are distributed on the surface of the tube body and are arranged in the axial direction of the tube body, the limiting piece is connected with the ring penetrating holes, and the limiting piece is used for limiting the position of a traction piece; a traction member; the traction piece is connected with the limiting piece and used for drawing the pipe body to bend; the limiting part penetrates through two adjacent ring penetrating holes, the limiting part is bound with the traction part at the position where the ring penetrating holes are located, and the traction part is arranged between the limiting part and the pipe body. The pipe body is provided with a ring penetrating hole, the traction piece is arranged on the surface of the pipe body, the limiting piece limits the moving track of the traction piece, the limiting piece is bound on the ring penetrating hole, an installer can use the limiting piece to bind the traction piece at the position of the ring penetrating hole, the limiting piece can adapt to traction pieces with various diameters, the diameter of the traction piece is prevented from being limited by the limiting groove of the pull rope, the pipe body is suitable for pull ropes with various diameters, and the universality of equipment is improved. A soft lens comprising the soft lens insertion tube of any one of the preceding claims.

Description

Soft lens insertion tube and soft lens

Technical Field

The application relates to the technical field of medical instruments, in particular to a soft lens insertion tube and a soft lens.

Background

When the soft lens passes through a natural channel of a human body, the soft lens needs to bend the soft lens per se so as to adapt to the natural channel of the human body. For the pipeline bending of the soft lens, a pull rope is usually arranged in the pipeline, one end of the pull rope is connected with the tail end of the soft lens, the other end of the pull rope is connected with an operation part, and the soft lens is bent at a corner in a natural channel of a human body through the traction of the pull rope. The pipeline is provided with stay cord limiting grooves on the pipe body, the stay cord limiting grooves are curved grooves formed in the pipe wall of the pipe body and sunken into the pipe body, and the stay cord grooves are distributed on the pipe wall of the snake on two sides of the curved plane and are arranged at intervals along the axis direction of the snake pipe. The track of the movement of the pull rope in the pull rope limiting groove is limited by the gap between the pull rope limiting groove and the pull rope.

The spacing recess of stay cord can't change after the body processing of soft mirror is accomplished, and it is suitable for the scene and is limited, and the commonality is relatively poor. Particularly, in the installer passed the stay cord spacing recess, the diameter size of stay cord was subject to the size of the spacing recess of stay cord, when the soft mirror changed the diameter demand of stay cord, especially when needing the stay cord that the diameter is bigger, the spacing recess of stay cord can't be passed to this stay cord, can not satisfy the demand.

Disclosure of Invention

In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides a soft lens insertion tube and a soft lens.

In a first aspect, the present application provides a soft lens insertion tube comprising:

the pipe comprises a pipe body, wherein a plurality of ring penetrating holes are sequentially distributed on the surface of the pipe body along the axial direction;

the number of the limiting pieces is multiple, and each limiting piece is connected with the ring penetrating hole;

the traction piece is connected with the limiting pieces, and two ends of the traction piece are respectively connected with the distal end part of the tube body and the soft lens body;

and each limiting part fixes the traction part between the limiting part and the pipe body at the through ring hole where the limiting part is located.

Preferably, each ring penetrating hole comprises a first ring penetrating hole and a second ring penetrating hole, and the first ring penetrating hole and the second ring penetrating hole are symmetrical about the central axis of the pipe body;

the first ring penetrating hole and the second ring penetrating hole respectively comprise two grooves which are connected together to form an L-shaped structure;

one groove in the first ring penetrating hole is parallel to and adjacent to one groove in the second ring penetrating hole, and the limiting part is bound to the first ring penetrating hole and the second ring penetrating hole.

Preferably, any one of the cross sections which are perpendicular to the axial direction of the pipe body is provided with two or four ring penetrating holes; the radian between any two ring penetrating holes on the same section is 90 degrees or 180 degrees.

Preferably, the first grommet hole comprises a first hole section and a second hole section, and the first hole section is connected with the second hole section;

the first hole section is used for the limiting part to penetrate through, and the limiting part is bound on the second hole section.

Preferably, the limiting member comprises a binding piece, and the binding piece is bound between the first ring penetrating hole and the second ring penetrating hole;

the two ends of the binding piece are connected with the surface of the pipe body.

Preferably, the arc width of the second hole segment is greater than the diameter of the limiting member and less than twice the diameter of the limiting member.

Preferably, a plurality of the ring-through holes are arranged at equal intervals in the axial direction.

Preferably, the pipe body is a coil pipe;

the pipe body comprises a head end part, a bent part and an insertion part, and the head end part, the bent part and the insertion part are integrally formed;

the traction piece penetrates through the limiting piece on the ring penetrating hole at the bending part, and the traction piece is cut off at a ring penetrating hole position of the head end part far away from the bending part.

Preferably, the pulling element runs through the inner wall of the tube or through the outer wall of the tube.

In a second aspect, the present application provides a soft lens comprising the soft lens insertion tube of any one of the preceding claims.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the soft lens insert tube that this application embodiment provided, the body sets up the eye of wearing, draw the piece setting on the body surface, the trend orbit that the locating part restriction was drawn the piece, the locating part is binded on wearing the eye, installer can use the locating part to bind the piece of drawing at the position of wearing the eye place, the adaptable multiple diameter of piece that draws of locating part, the diameter of avoiding drawing the piece receives the restriction of the spacing recess of stay cord, make the body be suitable for the stay cord of multiple diameter, improve equipment's commonality.

The embodiment of the application provides a soft lens, it includes foretell soft lens insert tube, the piece that pulls of adaptable different diameters to let soft lens adapt to the piece that pulls of more diameters, improve the commonality of soft lens, simultaneously, pull the piece and bind on wearing the ring hole through the locating part, avoid pulling the stop gear that the piece directly passed the stay cord, improve the convenient degree of pulling the installation.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of a soft lens insertion tube according to an embodiment of the present disclosure;

FIG. 2 is an enlarged schematic view of the structure at A;

FIG. 3 is an enlarged view of the structure at B;

FIG. 4 is a schematic structural diagram of a soft lens insertion tube according to an embodiment of the present application from a second viewing angle;

FIG. 5 is a schematic structural view of an external traction member of a soft lens insertion tube according to an embodiment of the present disclosure;

FIG. 6 is an enlarged view of the structure at C;

FIG. 7 is a schematic structural diagram of an external side view of a traction member of a soft lens insertion tube according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural view of an externally-arranged head end portion of a traction member of a soft lens insertion tube according to an embodiment of the present application;

fig. 9 is an enlarged schematic view of D.

In the figure:

1. a soft lens insertion tube;

11. a pipe body; 111. perforating a ring hole; 1111. a first loophole; 1112. a second loophole; 112. a head end portion; 113. A bending section; 114. an insertion portion; 12. a traction member; 13. a limiting member; 131. a binding;

1113. a first bore section; 1114. a second bore section;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

The first embodiment is as follows:

as shown in fig. 1 to 9, the present embodiment provides a soft lens insertion tube 1, which includes a tube body 11, a limiting member 13, and a pulling member 12, wherein the limiting member 13 is connected to the pulling member 12, the tube body 11 is a coil, the pulling member 12 is a pulling rope, the tube body 11 is used for transmitting the pulling rope, an electric cable, a working channel, etc., and the pulling member 12 is used for pulling the insertion tube to bend the insertion tube; the stopper 13 is used for limiting the stopper of the pulling member 12, and the pulling member 12 is disposed in the pipe body 11.

The pipe body 11 includes a head end portion 112, a bent portion 113, and an insertion portion 114, and the head end portion 112, the bent portion 113, and the insertion portion 114 are integrally formed. The pipe body 11 is provided with a plurality of ring penetrating holes 111, the limiting piece 13 is connected with the ring penetrating holes 111, the limiting piece 13 binds the traction piece 12 at the position of the ring penetrating holes 111, and the traction piece 12 is arranged between the limiting piece 13 and the pipe body 11.

Any two adjacent ring penetrating holes 111 are distributed at equal intervals, the limiting pieces 13 are fixed at the positions of the ring penetrating holes 111 to limit the motion track of the traction piece 12, the difficulty that the traction piece 12 penetrates through a stay cord limiting groove is avoided, and the convenience in manufacturing is improved.

The ring-through hole 111 includes a first ring-through hole 1111 and a second ring-through hole 1112, and the first ring-through hole 1111 and the second ring-through hole 1112 are symmetrical with respect to a central axis of the pipe body 11; the first ring penetrating hole 1111 and the second ring penetrating hole 1112 are disposed adjacent to each other, and the limiting member 13 is bound to the first ring penetrating hole 1111 and the second ring penetrating hole 1112.

Specifically, the first ring penetrating hole 1111 and the second ring penetrating hole 1112 are arranged in an L shape; the limiting part 13 passes through the first ring penetrating hole 1111 and the second ring penetrating hole 1112, the limiting part 13 forms an annular structure, the traction part 12 passes through the annular structure formed by the limiting part 13, the limiting part 13 limits the installation position of the traction part 12, and fixes the traction part 12 on the surface of the tube body 11, the traction part 12 is limited at the preset position of the tube body 11, the traction part 12 is limited in the tube body 11 by the limiting part 13, and the winding with other wires in the tube body 11 can be avoided, thereby improving the safety of the operation.

Two or four ring-through holes 111 are arranged on the same cross section of the pipe body 11, and the included angle of the straight lines of any two ring-through holes 111 on the same cross section is 180 degrees. Specifically, when two ring penetrating holes 111 are formed in the pipe body 11, the ring penetrating holes 111 are arranged at 180 degrees, the pipe body 11 is provided with two traction pieces 12, and the pipe body 11 can be bent in two directions; when the pipe body 11 is bent, the pulling piece 12 is pulled, the pulling piece 12 is limited by the limiting piece 13, and the pulling piece 12 is close to the surface of the pipe body 11.

The limiting piece 13 is fixed with the pipe body 11 through glue, the limiting piece 13 is prevented from being separated from the pipe body 11, the limiting piece 13 is prevented from being connected with the pipe body 11 through a welding process, and the influence of the welding process on the environment and production personnel in production is prevented.

The traction piece 12 passes through the limiting pieces 13 on the ring-through hole 111 at the bending portion 113, in the bending portion 113, the traction piece 12 passes through the plurality of limiting pieces 13, and the limiting pieces 13 limit the trend track of the traction piece 12, so that the traction piece 12 is prevented from being separated from the preset trend.

The pulling member 12 is cut at a position of the looping hole 111 where the head end part 112 is far away from the bending part 113, the pulling member 12 is cut at the head end part 112, the pulling member 12 is fixedly connected with the head end part 112, and the head end part 112 is pulled by the pulling member 12, so that the bending part 113 is bent.

The first grommet hole 1111 includes a first hole segment 1113 and a second hole segment 1114, the first hole segment 1113 connecting with the second hole segment 1114; the first hole segment 1113 is used for the insertion of the limiting element 13, and the limiting element 13 is bound on the second hole segment 1114.

Specifically, a second bore segment 1114 of the first grommet hole 1111 is parallel to and adjacent to a second bore segment 1114 of the second grommet hole 1112, a first bore segment 1113 of the first grommet hole 1111 is perpendicular to the second bore segment 1114 of the second grommet hole 1112, and the first bore segment 1114 of the second grommet hole 1112 is perpendicular to the second bore segment 1114 of the first grommet hole 1111.

The arc of second hole section 1114 is greater than 1 time and is less than 2 times to the width the diameter of locating part 13 can let locating part 13 adapt to the aperture of ring-through hole 111, and the locating part 13 of multiple external diameter can penetrate into ring-through hole 111, can be according to 11 bending property needs of body with pull 12 spacing in 11 inner walls of body, improves the commonality of soft mirror insert tube 1.

The limiting member 13 includes a binding member 131, the binding member 131 is bound between the first ring penetrating hole 1111 and the second ring penetrating hole 1112, the binding member 131 penetrates through the first hole segment 1113, and the first ring penetrating hole 1111 and the second ring penetrating hole 1112 are bound at the position of the second hole segment 1114 to form a ring shape, and the passing traction member 12 can be bound to the pipe body 11 by being arranged in the ring shape.

The binding member 131 is wound around the first and second through holes 1111 and 1112 by a plurality of turns, and the number of turns around the binding member 131 is adjusted to suit the outer diameter of the traction member 12, thereby improving the versatility of the soft lens insertion tube 1.

The two ends of the binding piece 131 are connected with the surface of the pipe body 11, the two ends of the binding piece 131 are fixedly connected with the surface of the pipe body 11 through glue, and the binding piece 131 is fixed on the surface of the pipe body 11, so that the limiting piece 13 is fixed on the pipe body 11, and the traction pieces 12 are distributed on the pipe body 11 along the arrangement direction of the through holes. Will bind piece 131 and body 11 fixed surface through glue and be connected, need use the tool to fix the stay cord form, simultaneously, still need avoid the stay cord to be bonded fixedly.

Example two:

the present application provides a soft lens insertion tube 1, which is different from the first embodiment in that: when the four ring-penetrating holes 111 are formed in the pipe body 11, the pipe body 11 is provided with the four traction pieces 12, the pipe body 11 can be bent in four directions, the included angle of the straight lines where any two ring-penetrating holes 111 are located on the same cross section is 90 degrees, the pipe body 11 is provided with the four traction pieces 12, and the pipe body 11 can be bent in four directions; when the pipe body 11 is bent, the pulling piece 12 is pulled, the pulling piece 12 is limited by the limiting piece 13, and the pulling piece 12 is close to the surface of the pipe body 11.

The tube body 11 can be bent along four directions, so that the bending precision of the soft lens insertion tube 1 is increased, the blind area of the operation is reduced, and the safety, efficiency and effect of the operation are improved.

Example three:

the present application provides a soft lens insertion tube 1, which is different from the first embodiment in that: the traction piece 12 is arranged on the outer surface of the tube body, the limiting piece limits the track of the traction piece 12, and meanwhile, the position of the traction piece 12 is limited, so that the outer diameter of the tube body 11 can be reduced, the occupied space ratio of a useless channel in the soft lens insertion tube 1 is reduced, the tube diameter of the soft lens insertion tube 1 is reduced, the soft lens insertion tube 1 can be inserted into a small natural channel of a human body, and the safety of the operation is improved.

The embodiment of the application also provides a soft lens, which comprises the soft lens insertion tube 1 and the operation part, wherein the soft lens insertion tube 1 is connected with the operation part. The tube body 11 on the soft lens insertion tube 1 is provided with a ring penetrating hole 111, the traction piece 12 is arranged along the surface of the tube body 11, the limiting pieces 13 are arranged on two adjacent ring penetrating holes 111 in a surrounding mode, the traction piece 12 is bound on the positions of the ring penetrating holes 111, and the limiting pieces 13 can adapt to the diameter of the traction piece 12 when being bound, so that the soft lens can adapt to the traction pieces 12 with more diameters, the universality of the soft lens is improved, meanwhile, the traction piece 12 is bound on the ring penetrating holes 111 through the limiting pieces 13, the traction piece 12 is prevented from directly penetrating through a limiting mechanism of a pull rope, and the convenience in installation of the traction piece 12 is improved.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A soft lens insertion tube, comprising:

the pipe comprises a pipe body, wherein a plurality of ring penetrating holes are sequentially distributed on the surface of the pipe body along the axial direction;

the number of the limiting pieces is multiple, and each limiting piece is connected with the ring penetrating hole;

the traction piece is connected with the limiting pieces, and two ends of the traction piece are respectively connected with the distal end part of the tube body and the soft lens body;

and each limiting part limits the trend of the traction part between the limiting part and the pipe body at the through ring hole where the limiting part is located.

2. The soft lens insertion tube according to claim 1, wherein each of the ring-through holes includes a first ring-through hole and a second ring-through hole, the first ring-through hole and the second ring-through hole being symmetrical with respect to a central axis of the tube body;

the first ring penetrating hole and the second ring penetrating hole respectively comprise two grooves which are connected together to form an L-shaped structure;

one groove in the first ring-through hole is parallel to and adjacent to one groove in the second ring-through hole, and the limiting part is bound on the first ring-through hole and the second ring-through hole.

3. The soft lens insertion tube according to claim 1, wherein two or four of the annular through holes are provided on any one of the cross sections perpendicular to the axial direction of the tube body;

the radian between any two ring penetrating holes on the same section is 90 degrees or 180 degrees.

4. The soft lens insertion tube according to claim 2, wherein the first grommet hole includes a first hole section and a second hole section, the first hole section being connected to the second hole section;

the first hole section is used for the limiting piece to penetrate through, and the limiting piece is bound on the second hole section.

5. The soft lens insertion tube according to claim 4, wherein the stopper includes a binding member that is bound between the first grommet passing hole and the second grommet passing hole;

the two ends of the binding piece are connected with the surface of the pipe body.

6. The soft lens insertion tube according to claim 4, wherein the second hole segment has an arcuate width greater than the diameter of the retainer and less than twice the value of the diameter of the retainer.

7. The soft lens insertion tube according to claim 1, wherein a plurality of the grommet holes are provided at equal intervals in the axial direction.

8. The soft lens insertion tube according to claim 1, wherein the tube body is a coil;

the pipe body comprises a head end part, a bent part and an insertion part, and the head end part, the bent part and the insertion part are integrally formed;

the traction piece penetrates through the limiting piece on the ring penetrating hole at the bending part, and the traction piece is cut off at a ring penetrating hole position of the head end part far away from the bending part.

9. The soft lens insertion tube according to claim 1, wherein the traction member passes through an inner wall of the tube body or an outer wall of the tube body.

10. A soft lens comprising the soft lens insertion tube according to any one of claims 1 to 9.

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