CN217244540U - Balloon three-way handle with position locking function - Google Patents

Abstract

The utility model belongs to the technical field of medical instruments and discloses a balloon three-way handle with a position locking function, which comprises a handle body with a first connecting end and a guide wire locking device; the guide wire locking device comprises: the locking pipe of guiding hole, the locking frame that is equipped with first lock portion are seted up to the lateral wall, wear to establish the locking button on the locking frame and its periphery be equipped with be used for with first lock portion hasp complex second lock portion, one end is connected the other end with the locking button and is stretched into the inside locking post of locking pipe by the guiding hole. The first locking part and the second locking part which are matched in a locking way can enable the locking button to alternate between a rotatable state and a non-rotatable state, and the locking column can be driven to abut against and lock the guide wire or release the guide wire by rotating the locking button. When the device is used clinically, interventional therapy instruments such as a balloon catheter and the like and the guide wire are locked, the matching degree is improved, balloon movement is avoided, discomfort of a patient is reduced, the operation time is shortened, and the device has the characteristics of simple structure and convenience in operation.

Description

Balloon three-way handle with position locking function

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to sacculus three-way handle of area position locking function.

Background

The guide wire is used as an important device in the interventional medical field, firstly enters a diseased region of a human body by the assistance of an image device such as an endoscope and the like in the operation process, provides a path guiding function for a subsequent interventional therapy instrument (the interventional therapy generally needs to simultaneously meet three conditions of the need of introducing the guide wire, the clinical requirement of fixing the instrument and the guide wire, and the luer connector of a handle of the instrument introducing the guide wire) to enter the human body and enable the instrument to smoothly enter the human body, such as saccule expansion, local medicine injection, endoscopic incision, stent implantation, tissue engineering and the like, and the saccule expansion has the advantages of small wound, simple operation and quick response, and is generally the preferred therapy. At present, the interventional therapy apparatus used in hospitals is not provided with a fixing device in cooperation with a guide wire, for example, when a balloon catheter reaches a lesion position in clinic, the body discomfort of a patient can cause small actions and gastrointestinal peristalsis to cause the balloon catheter to move. Thereby enabling the doctor to find the position of the lesion again, increasing the time of the operation and prolonging the discomfort time of the patient.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a sacculus three-way handle with position locking function, which is used for interventional therapy equipment and seal wire locking when in clinical use, improves the matching degree and has the characteristics of simple structure and convenient operation.

In order to realize the purpose of the invention, the adopted technical scheme is as follows: a balloon three-way handle with a position locking function comprises a three-way tubular handle body and a guide wire locking device, wherein one port of the handle body is used as a first connecting end;

the guide wire locking device comprises:

the side wall of the locking pipe is provided with a guide hole communicated with the inside and the outside of the locking pipe, when the locking pipe is used, the guide wire can movably penetrate through the locking pipe along the axial direction, and one end of the locking pipe is provided with a Ruhr taper for being detachably inserted into the first connecting end and detachably connecting the handle body with the locking pipe;

the locking frame is arranged outside the locking pipe, and a first locking part is arranged on the locking frame;

the locking button penetrates through the locking frame, a second locking part used for being in locking fit with the first locking part is arranged on the peripheral surface of the locking button, the locking button can move relative to the locking frame, and the first locking part and the second locking part are enabled to be in an alternative locking state and a releasing state; the locking state is that the second locking part is locked with the first locking part, and then the locking button is in a non-rotatable state, and the releasing state is that the second locking part is released from the limitation of the first locking part, and then the locking button is in a rotatable state.

One end of the locking column is connected with the locking button, the other end of the locking column extends into the locking tube through the guide hole, the locking column can be enabled to alternate between locking the guide wire and releasing the guide wire by rotating the locking button around the axis of the locking button under the tripping state, and the guide wire is fixed relative to the locking tube when the guide wire is locked by the locking column.

In order to increase the friction force between the locking column and the guide wire when the locking column abuts against the guide wire, the locking device preferably further comprises an elastic device, the elastic device can be the locking column per se, can also be an elastic cushion arranged at the other end of the elastic column, can also be an elastic tube or an elastic block which is arranged in the locking tube in advance and is opposite to the guide hole, when the elastic tube is used, the guide wire penetrates through the locking tube through the elastic tube, and the locking column abuts against the elastic tube or the elastic block so that the guide wire is pressed in the locking tube by the elastic tube or the elastic block.

The elastic device is preferably made of a silica gel material.

The present application further defines several forms of the first and second lock portions, but this is not intended to represent a limitation on the first and second lock portions, and all of the above-described latching and unlatching functions can be achieved. The first form: the first locking part is a first locking tooth, the second locking part is a second locking tooth arranged around the outer peripheral surface of the locking button, the first locking tooth and the second locking tooth can be meshed and matched, and the meshing state is the locking state. The second form: the first locking part is a first locking groove or a first boss, the second locking part is a plurality of second bosses or a plurality of second locking grooves which are arranged around the periphery of the locking button at intervals, and the locking state is achieved when the second bosses are inserted into the first locking grooves or the first bosses are inserted into the second locking grooves.

Furthermore, be equipped with the mounting hole on the locking frame, locking button cartridge is in the mounting hole, and the axis direction reciprocating motion of mounting hole can be followed to the locking button, the axis direction of mounting hole can be for can realizing above-mentioned locking and release function wantonly, but as preferred, the axis direction perpendicular to of mounting hole locking pipe's axial, and the guiding hole is for the axial setting along locking pipe.

In order to facilitate the connection stability of the handle body and the guide wire locking device, as the optimization, the locking pipe is sleeved with a locking nut used for connecting and locking the first connecting end and the locking pipe, the inner wall of the front part of the locking nut is provided with an internal thread, and the outer wall of the first connecting end is provided with an external thread matched with the internal thread.

The utility model discloses a take position locking function's sacculus three-way handle's theory of operation does:

the balloon catheter reaches a lesion position along a guide wire which is placed in advance in an endoscope state, if the balloon catheter needs to be fixed, the handle body is connected with the locking device, the locking button on the locking device is pushed and pulled to be in a tripping state, then the locking button is rotated to drive the locking column to lock the guide wire, and then the locking button is pushed and pulled to be in a locking state, so that the balloon catheter and the guide wire are fixed into a whole; after the operation is finished, the locking button is pushed and pulled to be in a tripping state, and then the locking button is rotated to drive the locking column to release the guide wire, so that the balloon catheter is separated from the guide wire.

Compared with the prior art, the utility model discloses the technological effect who gains does: the utility model discloses a take sacculus three way handle of position locking function, with sacculus pipe and seal wire locking when making things convenient for clinical use, improve the degree of cooperation, avoid sacculus pipe drunkenness, reduce the uncomfortable sense of patient, shorten operation time, have simple structure and convenient operation's characteristics.

Drawings

Fig. 1 is a schematic structural view of a balloon three-way handle with a position locking function in an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a locking device in an embodiment of the present invention.

Fig. 3 is a sectional view taken along a-a in fig. 2.

The reference numbers in the figures are: 1. the handle comprises a handle body, 1-1 parts of a first connecting end, 2 parts of a locking pipe, 3 parts of a guide hole, 4 parts of a locking frame, 5 parts of a locking button, 6 parts of a locking column, 7 parts of a guide wire, 8 parts of an elastic device, 9 parts of a locking nut, 10 parts of Ruhr taper, 11 parts of a balloon catheter, 12 parts of a first locking part and 13 parts of a second locking part.

Detailed Description

The utility model discloses not confine the following embodiment to, general technical staff in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a scope of protection. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The specific embodiment of the present invention is shown in fig. 1 to fig. 3 (the arrow head direction in fig. 2 is the rotating direction of the locking button when the guide wire needs to be released), and is used for cooperating with the interventional therapy apparatus, specifically, is a balloon three-way handle with position locking function, which comprises a handle body 1 and a handle body 1, wherein the handle body 1 is in a three-way tube shape, i.e. has three ports, one of which is located at the front end of the handle body 1, and the end is provided with a balloon catheter 11, the other two ports are located at the rear end of the handle body 1, one of the other two ports is used as a first connecting end 1-1, the guide wire can pass through the first connecting end 1-1 to enter the balloon catheter 11, the other one of the other two ports is used for inflating or injecting liquid into the balloon catheter 11, the guide wire locking device comprises a locking tube 2, The locking device comprises alocking frame 4 arranged outside the locking pipe 2, alocking button 5 arranged on thelocking frame 4 in a penetrating way and alocking column 6.

The side wall of the locking pipe 2 is provided with a guide hole 3 communicating the inside and the outside of the locking pipe 2, when in use, the guide wire 7 is movably arranged in the locking pipe 2 in a penetrating way along the axial direction, thelocking frame 4 is provided with afirst locking part 12, the peripheral surface of thelocking button 5 is provided with a second locking part used for being matched with thefirst locking part 12 in a locking way, thelocking button 5 can move relative to thelocking frame 4, and thefirst locking part 12 and thesecond locking part 13 are enabled to be in an alternative locking state and a releasing state; the locked state is that thesecond lock part 13 is locked with thefirst lock part 12, and thelock knob 5 is in a non-rotatable state, and the unlocked state is that thesecond lock part 13 is separated from the limit of thefirst lock part 12, and thelock knob 5 is in a rotatable state.

Thefirst lock portion 12 and thesecond lock portion 13 have various shapes, and can perform both the locking and releasing functions, and can be adjusted by those skilled in the art as needed. For example, the present embodiment gives the form: thefirst lock part 12 is a first lock tooth, thesecond lock part 13 is a second lock tooth arranged around the outer peripheral surface of thelock knob 5, the first lock tooth and the second lock tooth can be engaged, and the engaged state is the lock catch state.

In another embodiment, thefirst locking portion 12 is a first locking groove or a first boss, and thesecond locking portion 13 is a plurality of second bosses or a plurality of second locking grooves spaced around the outer circumference of thelocking knob 5, and the locking state is achieved when the second bosses are inserted into the first locking grooves or the first bosses are inserted into the second locking grooves.

One end of thelocking column 6 is connected with thelocking button 5, the other end of the locking column extends into the locking pipe 2 through the guide hole 3, under the tripping state, thelocking button 5 is rotated around the axis of thelocking button 5, so that thelocking column 6 can alternate between the locking guide wire 7 and the releasing guide wire 7, and when thelocking column 6 locks the guide wire 7, the guide wire 7 is fixed relative to the locking pipe 2.

In order to increase the friction force between thelocking column 6 and the guide wire 7 when thelocking column 6 is abutted against the guide wire 7, the locking device further comprises anelastic device 8, theelastic device 8 is preferably made of a silica gel material, theelastic device 8 can be thelocking column 6 per se, can also be an elastic pad arranged at the other end of the elastic column, and can also be an elastic tube or an elastic block which is arranged in the locking tube 2 in advance and is opposite to the guide hole 3, and thelocking column 6 enables the guide wire 7 to be pressed in the locking tube 2 by the elastic tube or the elastic block by abutting against the elastic tube or the elastic block.

More specifically, be equipped with the mounting hole on thelocking frame 4,locking button 5 cartridge is in the mounting hole, andlocking button 5 can be followed the axis direction reciprocating motion of mounting hole, and the axis direction of mounting hole can be for can realizing above-mentioned locking and release function wantonly, but as preferred, the axis direction perpendicular to of mounting hole locks the axial of pipe 2, and guiding hole 3 is for following the axial setting of locking pipe 2.

In order to facilitate the connection of the handle body 1 and the guide wire locking device, preferably, one end of the locking tube 2 is provided with aluer taper 10 inserted into the first connecting end 1-1, the locking tube 2 is sleeved with alocking nut 9 for connecting the first connecting end 1-1 and the locking tube 2, the inner wall of the front part of thelocking nut 9 is provided with internal threads, and the outer wall of the first connecting end 1-1 is provided with external threads matched with the internal threads.

The working method of the handle capable of locking the guide wire 7 and used with the balloon catheter of the embodiment comprises the following steps: the balloon catheter reaches a lesion position along a guide wire 7 which is placed in advance in an endoscope state, if the balloon catheter needs to be fixed, the luer taper 10 of the locking device is inserted into the first connecting end 1-1 of the handle body 1, the handle body 1 is connected and fixed with the locking device through thelocking nut 9, then thelocking button 5 on the locking device is pushed and pulled to be in a tripping state, then thelocking button 5 is rotated to drive thelocking column 6 to lock the guide wire 7, and then thelocking button 5 is pushed and pulled to be in a locking state to enable the balloon catheter and the guide wire 7 to be relatively fixed; after the operation is finished, thelocking button 5 is pushed and pulled to be in a tripping state, then thelocking button 5 is rotated to drive thelocking column 6 to release the guide wire 7, and then the balloon catheter 11 is separated from the guide wire 7.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.

Claims (7)

1. The utility model provides a take balloon three-way handle of position locking function which characterized in that: the guide wire locking device comprises a three-way tubular handle body (1) and a guide wire locking device, wherein one port of the handle body (1) is used as a first connecting end (1-1);

the guide wire locking device comprises: the side wall of the locking pipe (2) is provided with a guide hole (3) for communicating the inside and the outside of the locking pipe (2), when the locking pipe is used, the guide wire (7) can penetrate through the locking pipe (2) in an axially movable manner, and one end of the locking pipe (2) is provided with a luer taper (10) for being detachably inserted in the first connecting end (1-1) and detachably connecting the handle body (1) and the locking pipe (2);

a locking frame (4) arranged outside the locking pipe (2), and provided with a first locking part (12);

the locking button (5) penetrates through the locking frame (4), the outer peripheral surface of the locking button is provided with a second locking part (13) which is used for being matched with the first locking part (12) in a locking mode, the locking button (5) can move relative to the locking frame (4), and the first locking part (12) and the second locking part (13) are enabled to be in an alternative locking state and a tripping state;

and one end of the locking column (6) is connected with the locking button (5), the other end of the locking column extends into the locking pipe (2) through the guide hole (3), the locking column (6) can be alternately locked between the guide wire (7) and the release guide wire (7) by rotating the locking button (5) around the axis of the locking button (5) in a tripping state, and the guide wire (7) is fixed relative to the locking pipe (2) when the guide wire (7) is locked by the locking column (6).

2. The balloon three-way handle with the position locking function of claim 1, wherein: the locking device also comprises an elastic device (8), wherein the elastic device (8) is a locking column (6); or an elastic pad arranged at the other end of the elastic column; or an elastic tube or an elastic block which is arranged in the locking tube (2) in advance and is opposite to the guide hole (3), and when the elastic tube is used, the guide wire penetrates out of the elastic tube.

3. The balloon three-way handle with the position locking function as claimed in claim 2, wherein: the elastic device (8) is made of a silica gel material.

4. The balloon three-way handle with the position locking function of claim 1, wherein: the first locking part (12) is a first locking tooth, the second locking part (13) is a second locking tooth arranged around the outer peripheral surface of the locking button (5), the first locking tooth and the second locking tooth can be meshed and matched, and the meshed state is the locking state.

5. The balloon three-way handle with the position locking function of claim 1, wherein: the first locking part (12) is a first locking groove or a first boss, the second locking part (13) is a plurality of second bosses or a plurality of second locking grooves which are arranged around the outer peripheral surface of the locking button (5) at intervals, and the locking state is achieved when the second bosses are inserted into the first locking groove or the first bosses are inserted into the second locking groove.

6. The balloon three-way handle with the position locking function of claim 1, wherein: the locking frame (4) is provided with a mounting hole, the locking button (5) is inserted into the mounting hole, the locking button (5) can move back and forth along the axis direction of the mounting hole, the axis direction of the mounting hole is perpendicular to the axial direction of the locking pipe (2), and the guide hole (3) is arranged along the axial direction of the locking pipe (2).

7. The balloon three-way handle with the position locking function of claim 1, wherein: the locking pipe (2) is sleeved with a locking nut (9) used for connecting and locking the first connecting end (1-1) and the locking pipe (2), the inner wall of the front part of the locking nut (9) is provided with internal threads, and the outer wall of the first connecting end (1-1) is provided with external threads matched with the internal threads.

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