CN217907857U - Proximal rotating handle device of adjustable-bending guide sheath - Google Patents

Abstract

The utility model provides a proximal end rotating handle device of an adjustable bending guide sheath, which comprises a handle, a transmission part, a rotating handle, a sheath tube and a connecting piece, wherein the transmission part is arranged in the handle; the swing handle is rotatable locate the grab handle on, the rear end of grab handle is located to the swing handle, the swing handle is connected with the driving medium, inside the grab handle is worn to locate by the sheath pipe near-end, the guide seal wire is worn to establish by the sheath intraduct, connecting piece one end and sheath union coupling, the connecting piece other end is connected with the driving medium, can pass through connecting piece pulling sheath pipe distal end when the driving medium moves to the grab handle rear end. The grab handle is held to the left hand, hold the thumb orientation swing handle direction that the direction is the left hand, only need rotate the swing handle with the finger of left hand, drive the driving medium through the swing handle and remove to the rear end of grab handle, the driving medium passes through the connecting piece and stimulates the bending of sheath pipe distal end, make the operator can use the left hand to operate the bending of sheath pipe distal end, cooperation right hand operation guide wire, can realize operating alone and use, and then can reduce the degree of difficulty that the operation cooperation of guide wire and adjustable curved guide sheath was used.

Description

Proximal end rotating handle device of adjustable bending guide sheath

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to adjustable curved guide sheath near-end swing handle device.

Background

The adjustable bent guide sheath is used when a channel is established in interventional diagnosis or treatment operation, the bent head shape of the distal end of the sheath tube is adjusted through the handle, in recent years, the use proportion of the adjustable bent sheath tube is gradually increased, early-stage research shows that the adjustable bent sheath tube is used for performing operation, the operation of the catheter is facilitated, the catheter is in place, the catheter attaching stability is improved, and the operation efficiency and the success rate are improved.

The adjustable bending guide sheath in the prior art comprises an adjustable bending guide sheath handle and a guide sheath, in the conventional operation process, the guide sheath needs to be matched with a guide wire for use, an operator needs to operate the adjustable bending guide sheath handle with the right hand to control the bending angle of the distal end of a sheath tube, and the operation of the guide wire often needs to be matched by an assistant.

However, in the above-mentioned bendable guide sheath, since the operation of operating the bendable guide sheath handle and the guide wire needs to be completed by multiple persons, in the actual operation process, the operator needs to observe the image device at any time, and the difficulty of the operation of the guide wire and the bendable guide sheath is increased by the multiple persons.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model aims to solve the technical problem that the adjustable curved guide sheath among the prior art lies in, because the operation of operation adjustable curved guide sheath handle and guide wire needs many people to cooperate the completion, in the actual operation process, the operator need observe image equipment constantly, and many people cooperate the operation to increase the operation cooperation use degree of difficulty of guide wire and adjustable curved guide sheath.

Therefore, the utility model provides an adjustable crooked guide sheath near-end swing handle device, include:

a handle;

the transmission piece is arranged inside the grab handle;

the rotating handle is rotatably arranged on the grab handle, is arranged at the rear end of the grab handle, is connected with the transmission piece and is rotated to drive the transmission piece to move in the grab handle;

the sheath tube proximal end is arranged in the grab handle in a penetrating mode, and the sheath tube distal end is suitable for being connected with the guide wire so as to control the sheath tube to move through the guide wire;

the connecting piece, connecting piece one end with the sheath pipe is connected, the connecting piece other end with the driving medium is connected, can pass through the connecting piece pulling sheath pipe distal end when the driving medium moves to grab handle rear end, so that the sheath pipe distal end is crooked.

Optionally, the turning handle is provided with a stop limiting part inside one end close to the grab handle, and the stop limiting part is used for abutting against the transmission member to limit the transmission member to move towards the rear end.

Optionally, the inside spacing portion that begins that is equipped with of grab handle front end, spacing portion that begins is used for with the driving medium butt in order to restrict the driving medium to the front end motion.

Optionally, the proximal rotating handle device of the bendable guide sheath further comprises an adapter, the adapter is connected between the transmission member and the rotating handle, the rotating handle drives the transmission member to move through the adapter, the adapter comprises an extension portion, and the extension portion is arranged in a gap between the transmission member and the handle to limit the transmission member to swing.

Optionally, the adaptor further comprises a clamping portion, a clamping groove is formed in the rotary handle, and the clamping groove is clamped with the clamping portion, so that the rotary handle drives the adaptor to move.

Optionally, an internal thread is arranged inside the adaptor, an external thread is arranged on the outer surface of the transmission member, and the external thread is meshed with the internal thread, so that the adaptor can rotate to drive the transmission member to move inside the grab handle along the axis of the grab handle.

Optionally, the inside arch that is equipped with of grab handle, the driving medium surface is equipped with smooth portion, smooth portion butt is in on the arch, in order to restrict the driving medium is in the inside rotation of grab handle.

Optionally, the proximal rotating handle device of the adjustable bending guide sheath further comprises a fixing member, the fixing member is provided with a positioning groove and a wire hole which are communicated with each other, the transmission member is provided with a fixing groove, the fixing member is arranged in the fixing groove, the connecting member is arranged in the wire hole in a penetrating manner, the proximal rotating handle device of the adjustable bending guide sheath further comprises a positioning pin, and the positioning pin is arranged in the positioning groove to connect the connecting member with the fixing member.

Optionally, the proximal rotating handle device of the bendable guiding sheath further comprises a blocking piece, the blocking piece is arranged at one end, far away from the holding handle, of the rotating handle, and the blocking piece and the rotating handle can rotate relatively.

Optionally, the proximal rotating handle device of the bendable guide sheath further comprises a hemostatic valve seat, the hemostatic valve seat comprises a valve seat body, a side branch and a connecting pipe which are connected with each other, the connecting pipe is connected with the sheath pipe, the valve seat body is arranged inside the blocking piece, the side branch is communicated with the connecting pipe, and the side branch penetrates through the side wall of the blocking piece and is connected with an external catheter.

The technical scheme provided by the utility model, following advantage has:

1. the utility model provides a proximal end rotating handle device of an adjustable bending guide sheath, which comprises a grab handle, a transmission part, a rotating handle, a sheath tube and a connecting piece, wherein the transmission part is arranged inside the grab handle; the rotating handle is rotatably arranged on the grab handle, is arranged at the rear end of the grab handle, is connected with the transmission piece and is rotated to drive the transmission piece to move in the grab handle; one end of the sheath tube is arranged in the grab handle in a penetrating way, and a guide wire is arranged in the sheath tube in a penetrating way; one end of the connecting piece is connected with the sheath tube, the other end of the connecting piece is connected with the transmission piece, and the sheath tube can be pulled by the connecting piece when the transmission piece moves to the rear end of the grab handle, so that the far end of the sheath tube is bent.

This structure can adjust crooked sheath near-end swing handle device, through locating the swing handle the rear end of grab handle, when using, the user can hold the grab handle with the left hand, the thumb that the direction was the left hand is held towards the swing handle direction, when needs make the bending of sheath pipe distal end, only need rotate the swing handle with the finger of left hand, drive the rear end removal of driving medium to the grab handle through the swing handle, the driving medium passes through the connecting piece and stimulates the bending of sheath pipe distal end, make the operator can use the bending of left hand operation sheath pipe distal end, cooperation right hand operation guide wire, can realize operating alone and using, and then can reduce the degree of difficulty that the operation cooperation of guide wire and adjustable crooked guide sheath was used.

2. The utility model provides an adjustable curved guide sheath near-end swing handle device still includes the adaptor, the adaptor connect in the driving medium with between the swing handle, the swing handle passes through the adaptor drives the driving medium removes, the adaptor includes the extension, the extension is located the driving medium with in the clearance between the grab handle, in order to restrict the driving medium rocks.

The near-end rotating handle device of the bending-adjustable guide sheath with the structure is provided with the adapter, the adapter comprises the extension part, the extension part is arranged in a gap between the transmission part and the grab handle, when the rotating handle drives the transmission part to move through the adapter, the transmission part can shake in the moving process due to the gap between the transmission part and the grab handle, and the shake of the transmission part in the moving process can be reduced by arranging the extension part in the gap.

Drawings

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 embodiments or the technical solutions in the prior art will be briefly described 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 perspective view of a proximal rotating handle device of an adjustable bending guide sheath provided in an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of the proximal rotating handle device of the adjustable bending guide sheath provided in the embodiment of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at circle A;

fig. 4 is a schematic structural view of the proximal rotating handle device of the adjustable bending guide sheath provided in the embodiment of the present invention after the handle, the rotating handle and the blocking member are removed;

fig. 5 is a schematic view of a connection structure of a fixing member, a positioning pin and a sheath tube in the proximal rotating handle device of the adjustable bending guide sheath according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a rotating handle and an adaptor in the proximal rotating handle device of the adjustable bending guide sheath according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a rotating handle of the proximal rotating handle device of the adjustable bending guide sheath provided in the practical embodiment of the present invention;

fig. 8 is a schematic structural view of a handle of the proximal swing handle device of the adjustable bending guide sheath according to an embodiment of the present invention;

description of reference numerals:

1-a grab handle; 11-an initial limit part; 12-a bump;

2-a transmission part; 21-a smooth portion;

3-rotating the handle; 31-a card slot; 32-ring shaped slider; 33-a stop limit portion;

4-sheath tube;

5-a connecting piece;

6-an adapter; 61-an extension; 62-a clamping part;

7-a fixing member; 71-a positioning groove; a 72-wire hole;

8-positioning the tip;

9-plugging piece;

10-a hemostatic valve seat; 101-a valve seat body; 102-side branch; 103-connecting tube.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

For convenience of describing the handle structure, the extending end of the sheath tube is the front end of the grab handle, and the end provided with the rotary handle is the rear end of the grab handle; one end of the sheath tube extending into the grab handle is the near end of the sheath tube, and the other end of the sheath tube far away from the grab handle is the far end of the sheath tube.

Examples

The present embodiment provides a proximal rotating handle device of an adjustable bending guide sheath, as shown in fig. 1 to 8, comprising a handle 1, a transmission member 2, a rotating handle 3, a sheath tube 4, a connection member 5, an adaptor 6, and a plugging member 9; wherein, the driving medium 2 is located inside 1 grab handle, and on 3 rotatable locates grab handle 1 of swing handle, adaptor 6 is connected between driving medium 2 and swing handle 3, and inside 1 grab handle was worn to locate by 4 near-ends of sheath pipe, connecting piece 5 connected driving medium 2 and sheath pipe 4, and shutoff 9 is located swing handle 3 and is kept away from 1 one end of grab handle.

As shown in fig. 1, fig. 2, fig. 4 and fig. 7, the back end of grab handle 1 is located to swing handle 3, the inside draw-in groove 31 that is equipped with of swing handle 3, be equipped with joint portion 62 on adaptor 6, draw-in groove 31 and joint portion 62 joint, so that swing handle 3 can drive adaptor 6 motion, as shown in fig. 2 and fig. 6, the inside internal thread that is equipped with of adaptor 6, driving medium 2 surface is equipped with the external screw thread, external screw thread and internal thread meshing, so that adaptor 6 can drive driving medium 2 and move along grab handle 1 axis inside grab handle 1 in the rotation. Wherein, as shown in fig. 6, adaptor 6 includes extension 61, and extension 61 is located in the clearance between driving medium 2 and the grab handle 1, and when turning handle 3 and driving medium 2 through adaptor 6 and removing, because the clearance between driving medium 2 and the grab handle 1, consequently, driving medium 2 can appear rocking at the removal in-process, through set up extension 61 among the clearance, can reduce the rocking of driving medium 2 at the removal in-process.

As shown in fig. 2 and 3, a stop limiting portion 33 is disposed inside one end of the rotary handle 3 close to the handle 1, the stop limiting portion 33 is used for abutting against the transmission member 2 to limit the movement of the transmission member 2 to the rear end, and in order to make the stop limiting portion 33 abut against the transmission member 2 better, the stop limiting portion 33 is connected to the inner wall of the handle 1 in a ring shape. The far end of the handle 1 is provided with an initial limiting part 11, and the initial limiting part 11 is used for being abutted against the transmission piece 2 to limit the transmission piece 2 to move towards the front end.

As shown in fig. 4 and 8, the inside of the handle 1 is provided with the protrusion 12, the outer surface of the transmission member 2 is provided with the smooth portion 21, when the transmission member 2 is driven by the adaptor 6 and moves inside the handle 1, the smooth portion 21 abuts against the protrusion 12 to limit the rotation of the transmission member 2 inside the handle 1, so that the transmission member 2 can be ensured to move inside the handle 1 along the axis direction of the handle 1 under the driving of the transmission member 2, wherein, in order to prevent the protrusion 12 from limiting the rotation of the adaptor 6, a gap is provided between the protrusion 12 and the extension portion 61.

As shown in fig. 4 and 5, the proximal rotating handle device of the adjustable bending guide sheath further includes a fixing member 7, the fixing member 2 is provided with a fixing groove 22, the fixing member 7 is disposed in the fixing groove 22, the fixing member 7 is provided with a positioning groove 71 and an aperture 72 which are mutually communicated, the connecting member 5 is disposed in the aperture 72, the proximal rotating handle device of the adjustable bending guide sheath further includes a positioning pin 8, after the connecting member 5 is disposed in the aperture 72, the positioning pin 8 is inserted into the positioning groove 71 to fix the connecting member 5 in the aperture 72, so that the connecting member 5 is fixed to the driving member 2; one end of the connecting piece 5, which is far away from the fixing piece 7, is fixed with the sheath tube 4, when the transmission piece 2 moves to the rear end of the grab handle 1, the distal end of the sheath tube 4 can be pulled to bend through the connecting piece 5, wherein a guide wire is suitable to penetrate through the interior of the sheath tube 4; here, it is prior art that the connecting member 5 pulls the distal end of the sheath tube 4 to bend, and is not the focus of the present invention, so too much description is not provided here.

As shown in fig. 3, in order to facilitate the installation of the plugging member 9 and the rotating handle 3, the plugging member 9 may be formed by splicing two halves, an annular groove is formed at one end of the plugging member 9 close to the rotating handle 3, an annular slider 32 corresponding to the annular groove is arranged on the rotating handle 3, and the annular slider 32 can rotate in the annular groove, so that the plugging member 9 can rotate relative to the rotating handle 3.

As shown in fig. 2 and fig. 3, the proximal rotating handle device of the adjustable bending guide sheath further includes a hemostatic valve seat 10, the hemostatic valve seat 10 includes a valve seat body 101, a side branch 102 and a connecting pipe 103 which are connected to each other, the connecting pipe 103 is connected to the sheath tube 4, the valve seat body 101 is disposed inside the blocking piece 9, the side branch 102 is communicated with the connecting pipe 103, and the side branch 102 penetrates through the side wall of the blocking piece 9 and is connected to an external catheter.

The proximal rotating handle device of the guide sheath with adjustable bending of the embodiment, during use, a user can hold the holding handle 1 with the left hand, the holding direction is the direction of the thumb of the left hand towards the rotating handle 3, when the distal end of the sheath tube 4 needs to be bent, the rotating handle 3 only needs to be rotated by the fingers of the left hand, the rotating handle 3 drives the transmission member 2 to move towards the rear end of the holding handle 1, the transmission member 2 pulls the distal end of the sheath tube 4 to be bent through the connecting member 5, so that an operator can use the left hand to operate the bending of the distal end of the sheath tube 4, and the guide wire inside the sheath tube 4 is operated by the right hand of the user in a matching way, so that the proximal rotating handle device of the guide sheath with adjustable bending can be operated and used by one person, and the proximal rotating handle device can be operated by the operator separately for multiple persons, and the utility model can reduce the difficulty in the operation and the matching use of the guide wire and the guide sheath with adjustable bending;

when the distal end of the sheath tube 4 needs to be straightened, the rotating handle 3 is rotated by the fingers of the left hand in the opposite direction, so that the transmission piece 2 moves towards the front end of the holding handle 1, and the connecting piece 5 drives the distal end of the sheath tube 4 to be straightened.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. An adjustable bending guide sheath proximal end rotating handle device, which is characterized by comprising:

a handle (1);

the transmission piece (2) is arranged inside the grab handle (1);

the rotating handle (3) is rotatably arranged on the grab handle (1), the rotating handle (3) is arranged at the rear end of the grab handle (1), the rotating handle (3) is connected with the transmission piece (2), and the rotating handle (3) is rotated to drive the transmission piece (2) to move in the grab handle (1);

the proximal end of the sheath tube (4) is arranged in the grab handle (1) in a penetrating manner, and a guide wire is arranged in the sheath tube (4) in a penetrating manner;

connecting piece (5), connecting piece (5) one end with sheath pipe (4) are connected, connecting piece (5) other end with driving medium (2) are connected, can pass through connecting piece (5) pulling sheath pipe (4) when driving medium (2) move to grab handle (1) rear end, so that sheath pipe (4) distal end is crooked.

2. The proximal swing handle device of the adjustable bending guide sheath according to claim 1, wherein a stop limiting part (33) is arranged inside one end of the swing handle (3) close to the handle (1), and the stop limiting part (33) is used for abutting against the transmission member (2) to limit the transmission member (2) to move towards the rear end of the handle (1).

3. The proximal swing handle device of the adjustable bending guide sheath according to claim 2, wherein the front end of the handle (1) is internally provided with a starting limit part (11), and the starting limit part (11) is used for being abutted with the transmission member (2) to limit the transmission member (2) to move towards the front end.

4. The proximal rotating handle device of the adjustable bending guide sheath according to claim 3, further comprising an adaptor (6), wherein the adaptor (6) connects the transmission member (2) and the rotating handle (3), the rotating handle (3) drives the transmission member (2) to move through the adaptor (6), the adaptor (6) comprises an extension part (61), and the extension part (61) is arranged between the transmission member (2) and the handle (1) to limit the transmission member (2) from swinging.

5. The proximal rotating handle device of the adjustable bending guide sheath according to claim 4, wherein the adaptor (6) further comprises a clamping portion (62), a clamping groove (31) is formed in the rotating handle (3), and the clamping groove (31) is clamped with the clamping portion (62) so that the rotating handle (3) drives the adaptor (6) to move.

6. The proximal rotating handle device of the adjustable bending guide sheath according to claim 5, characterized in that the adaptor (6) is internally provided with internal threads, and the external surface of the transmission member (2) is provided with external threads which are engaged with the internal threads, so that the rotation of the adaptor (6) can drive the transmission member (2) to move along the axis of the handle (1) in the handle (1).

7. The proximal swing handle device of the adjustable bending guide sheath according to claim 6, characterized in that the handle (1) is provided with a protrusion (12) inside, the transmission member (2) is provided with a smooth part (21) on the outer surface, and the smooth part (21) abuts against the protrusion (12) to limit the transmission member (2) from rotating inside the handle (1).

8. The proximal rotating handle device of the adjustable bending guide sheath according to any one of claims 5 to 7, further comprising a fixing member (7), wherein the fixing member (7) is provided with a positioning groove (71) and a wire hole (72) which are communicated with each other, the transmission member (2) is provided with a fixing groove, the fixing member (7) is arranged in the fixing groove, the connecting member (5) is arranged in the wire hole (72) in a penetrating manner, the proximal rotating handle device of the adjustable bending guide sheath further comprises a positioning pin (8), and the positioning pin (8) is arranged in the positioning groove (71) to connect the connecting member (5) and the fixing member (7).

9. The proximal rotating handle device of the adjustable bending guide sheath according to any one of claims 5-7, characterized in that the device further comprises a blocking piece (9), the blocking piece (9) is arranged at one end of the rotating handle (3) far away from the handle (1), and the blocking piece (9) and the rotating handle (3) can rotate relatively.

10. The proximal handle device of the adjustable bending guide sheath according to claim 9, further comprising a hemostatic valve seat (10), wherein the hemostatic valve seat (10) comprises a valve seat body (101), a side branch (102) and a connecting pipe (103) which are connected with each other, the connecting pipe (103) is connected with the sheath tube (4), the valve seat body (101) is arranged inside the blocking piece (9), the side branch (102) is communicated with the connecting pipe (103), and the side branch (102) penetrates through the side wall of the blocking piece (9) and is suitable for being connected with an external catheter.

Images