CN215024923U

CN215024923U - Mechanical plug-in self-locking balloon three-way handle and balloon catheter system using same

Info

Publication number: CN215024923U
Application number: CN202022853263.0U
Authority: CN
Inventors: 张小奎
Original assignee: CHANGZHOU JIUHONG MEDICAL INSTRUMENT CO LTD
Current assignee: CHANGZHOU JIUHONG MEDICAL INSTRUMENT CO LTD
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-12-07
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a mechanical type grafting auto-lock sacculus tee bend handle and use its sacculus pipe system, include: one port of the three-way balloon handle is used as a first connecting end; the locking device comprises a locking pipe and an elastic block arranged in the locking pipe, wherein a through hole along the axial direction is reserved between the elastic block and the locking pipe, a locking nut used for connecting the first connecting end and the locking pipe is sleeved at the front end of the locking pipe, a guide rail gradually approaching the axis of the locking pipe from back to front, a rack arranged along the guide rail and a locking assembly in sliding guide fit with the guide rail are arranged at the rear part of the locking pipe, and a locking button capable of being meshed with the rack is arranged on the locking assembly; when the locking assembly is pushed forwards along the guide rail, the locking assembly extrudes the elastic block along the radial direction passing through the hole, then the guide wire passing through the hole is locked and fixed, and when the locking assembly is positioned at the rear end of the guide rail, the guide wire can move back and forth along the axial direction in the passing hole. Simple structure, the locking locks sacculus pipe and seal wire when making things convenient for clinical use.

Description

Mechanical plug-in self-locking balloon three-way handle and balloon catheter system using same

Technical Field

The utility model belongs to the technical field of medical instrument, specifically be a mechanical type grafting auto-lock sacculus tee bend handle and use its sacculus pipe system.

Background

The endoscope treatment has become the main treatment method of the digestive tract stenosis, 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 first choice treatment. At present, balloon dilatation catheters used in hospitals are matched with guide wires without fixing devices, and when the balloons reach the position of pathological changes in clinic, patients have discomfort and small actions and gastrointestinal peristalsis to enable the balloons to move. Thereby enabling doctors to find the position of the pathological changes again, increasing the operation time and prolonging the discomfort time of patients.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a make things convenient for clinical operation's mechanical type grafting auto-lock sacculus three-way handle and use its sacculus pipe system, convenient locking is with sacculus pipe and seal wire locking during clinical use.

In order to realize the purpose, the utility model discloses a technical scheme is: a mechanical plug-in self-locking balloon three-way handle comprises:

the three-way balloon handle is used as a first connecting end at one port;

the locking device comprises a locking pipe and an elastic block arranged in the locking pipe, an axial through hole is reserved between the elastic block and the locking pipe, a locking nut used for connecting the first connecting end with the locking pipe is sleeved at the front end of the locking pipe, a guide rail gradually approaching the axis of the locking pipe from back to front, a rack arranged along the guide rail and a locking assembly matched with the guide rail in a sliding and guiding manner are arranged at the rear part of the locking pipe, and a locking button capable of being inserted into the rack and meshed with the rack is arranged on the locking assembly; when the locking assembly is pushed forwards along the guide rail, the locking assembly extrudes the elastic block along the radial direction passing through the hole, then the guide wire passing through the hole is locked and fixed, and when the locking assembly is positioned at the rear end of the guide rail, the guide wire can move back and forth along the axial direction in the passing hole.

Furthermore, the rear part of the locking nut is connected with the locking pipe, an annular gap is reserved between the front part of the locking nut and the locking pipe, an internal thread is arranged on the inner wall of the front part of the locking nut, an external thread matched with the internal thread is arranged on the outer wall of the first connecting end, and the first connecting end can be inserted into the annular gap and is in threaded connection with the locking nut.

Furthermore, the part of the locking pipe positioned at the annular gap is in luer taper, and the luer taper is convenient to insert into the first connecting end and further is convenient to be connected with the balloon catheter handle.

Furthermore, the locking pipe positioned behind the annular gap is provided with an axial sliding guide part, and the front end and the rear end of the sliding guide part are respectively provided with a limiting part; the locking nut is characterized in that an annular flange is arranged on the inner side of the rear end of the locking nut, the annular flange is sleeved on the sliding guide part, when the locking nut is rotated clockwise or anticlockwise, the first connecting end and the locking pipe are alternately connected and disconnected in a locking mode, and the locking nut moves back and forth between the 2 limiting parts of the locking pipe along the sliding guide part. Through this step optimization, can just need not rotatory locking device just can be connected locking pipe and tee bend sacculus handle through rotatory locking nut.

Furthermore, the rack has 2 and interval setting around and, and the one side that is equipped with 2 racks and is equipped with the tooth is relative, the cartridge has the locking button respectively on the terminal surface around locking Assembly, and the locking button can be relative locking Assembly back-and-forth movement, is equipped with the meshing tooth that meshes with the rack that the locking button is located same one side on the locking button, still includes the spring, the both ends of spring respectively with be located locking button elasticity butt on the terminal surface around the locking Assembly and maintain the meshing state of meshing tooth and rack, when pressing the locking button relatively simultaneously, the spring is further compressed and makes the meshing tooth break away from with the meshing state of rack.

Furthermore, the elastic block is arranged on the inner wall of the locking pipe on one side of the guide rail, and the periphery of the elastic block is bonded with the inner wall.

Furthermore, another port of the three-way balloon handle is used as a second connecting end and is used for being connected with the balloon catheter, when the three-way balloon handle is used, the guide wire axially penetrates through the balloon catheter, the rear end of the guide wire extends out of the rear end of the balloon catheter and penetrates into the locking pipe from the first connecting end through the second connecting end, and the guide wire penetrates through the through hole and then continuously extends out of the rear end of the locking pipe.

The utility model also provides a sacculus pipe system, the sacculus handle including sacculus pipe and operatable sacculus pipe position, the sacculus handle is aforementioned arbitrary item mechanical type grafting auto-lock sacculus tee bend handle.

The utility model discloses a theory of operation does: the utility model discloses a mechanical type auto-lock sacculus three-way handle of pegging graft passes through the sacculus pipe with the sacculus under the endoscope state as required and fixes on three-way sacculus handle, then reachs the pathological change position along the guide wire of placing in advance, inserts the guide wire earlier with locking device locking nut end again, is connected with the first link of sacculus handle and screws fixedly. When the guide wire needs to be fixed, the locking assembly on the locking device is pushed forwards, and then the balloon catheter and the guide wire are fixed together.

Compared with the prior art, the utility model discloses the technological effect who gains does: the utility model discloses a mechanical type auto-lock sacculus three-way handle of pegging graft, simple structure, the wire is drawn to the lockable, and the convenience is connected with the sacculus handle with drawing the wire, locks when making things convenient for clinical use with sacculus pipe and seal wire locking.

Drawings

Fig. 1 is a schematic structural view of a mechanical plug-in self-locking balloon three-way handle in an embodiment of the present invention.

Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.

Fig. 3 is a schematic structural view of a locking device of the mechanical plug-in self-locking balloon three-way handle in the embodiment of the present invention.

Fig. 4 is a schematic structural view (in a top view direction) of a locking button and a rack of the locking device of the mechanical plug-in self-locking balloon three-way handle according to the embodiment of the present invention.

The reference numbers in the figures are: 1. the three-way balloon handle comprises a three-way balloon handle body, 1-1 parts of a first connecting end, 1-2 parts of a second connecting end, 2 parts of a guide wire, 3 parts of a locking pipe, 3-1 parts of Ruhr taper, 3-2 parts of a sliding guide part, 4 parts of an elastic block, 5 parts of a through hole, 6 parts of a locking nut, 6-1 parts of an annular flange, 7 parts of a guide rail, 8 parts of a rack, 9 parts of a locking assembly, 10 parts of a locking button, 11 parts of an annular gap, 12 parts of a balloon catheter, 13 parts of meshing teeth, 14 parts of a spring and 15 parts of a balloon.

Detailed Description

The utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment 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 protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The embodiments of the present invention are illustrated in fig. 1-4, wherein with reference to fig. 1,

this embodiment provides a mechanical type grafting auto-lock sacculus tee bend handle, includes:

the three-way balloon handle comprises a three-way balloon handle 1, wherein one port of the three-way balloon handle 1 is used as a first connecting end 1-1;

the locking device comprises a locking pipe 3 and an elastic block 4 arranged in the locking pipe 3, a through hole 5 along the axial direction is reserved between the elastic block 4 and the locking pipe 3, a locking nut 6 used for connecting the first connecting end 1-1 with the locking pipe 3 is sleeved at the front end of the locking pipe 3, a guide rail 7 gradually approaching the axis of the locking pipe 3 from back to front, a rack 8 arranged along the guide rail 7 and a locking assembly 9 matched with the guide rail 7 in a sliding and guiding manner are arranged at the rear part of the locking pipe 3, and a locking button 10 capable of being inserted into the rack 8 and meshed with the rack 8 is arranged on the locking assembly 9; when the locking assembly 9 is pushed forwards along the guide rail 7, the locking assembly 9 presses the elastic block 4 along the radial direction of the through hole 5, so that the guide wire 2 passing through the through hole 5 is locked and fixed, and when the locking assembly 9 is positioned at the rear end of the guide rail 7, the guide wire 2 can move forwards and backwards along the axial direction in the through hole 5.

Specifically, the rear portion of the lock nut 6 is connected with the locking pipe 3, an annular gap 11 is reserved between the front portion of the lock nut 6 and the locking pipe 3, an inner thread is arranged on the inner wall of the front portion of the lock nut 6, an outer thread matched with the inner thread is arranged on the outer wall of the first connection end 1-1, and the first connection end 1-1 can be inserted into the annular gap 11 and is in threaded connection with the lock nut 6.

The part of the locking pipe 3 positioned in the annular gap 11 is luer taper 3-1, and the luer taper 3-1 is conveniently inserted into the first connecting end 1-1 so as to be conveniently connected with the balloon catheter 12 handle.

The locking pipe 3 positioned behind the annular gap 11 is provided with an axial sliding guide part 3-2, and the front end and the rear end of the sliding guide part 3-2 are respectively provided with a limiting part; the inner side of the rear end of the locking nut 6 is provided with an annular flange 6-1, the annular flange 6-1 is sleeved on the sliding guide part 3-2, when the locking nut 6 is rotated clockwise or anticlockwise, the first connecting end 1-1 and the locking pipe 3 are alternately connected and disconnected in a locking mode, and the locking nut 6 moves back and forth between 2 limiting parts of the locking pipe 3 along the sliding guide part 3-2. The locking tube 3 can be connected with the three-way balloon handle 1 only by rotating the locking nut 6 without rotating the locking device.

The rack 8 has 2 and front and back interval settings, 2 rack 8 is equipped with the one side of tooth relative, lock button 10 has been inserted respectively on the front and back terminal surface of locking Assembly 9, lock button 10 can be relative locking Assembly 9 back-and-forth movement, be equipped with on the lock button 10 with the locking button 10 be located the rack 8 engaged with meshing tooth 13 of the same side rack 8, still include spring 14, the both ends of spring 14 respectively with be located locking button 10 elasticity butt on the front and back terminal surface of locking Assembly 9 and maintain meshing state of meshing tooth 13 and rack 8 (also locking Assembly 9 is locked firmly and is fixed on guide rail 7), when pressing locking button 10 relatively simultaneously, spring 14 is compressed further and makes meshing tooth 13 break away from the state with the rack 8 meshing, and then locking Assembly 9 can slide along guide rail 7.

The specific installation method of the locking button 10 and the spring 14 on the locking assembly 9 is as follows: the mounting hole is seted up at locking Assembly 9's top, and locking button 10 sets up in the mounting hole relatively, sets up the guide way of perpendicular to locking pipe axis direction on the lateral wall of the mounting hole left and right sides respectively, and the left and right sides of locking button 10 is equipped with the guide protrusion respectively, and the both ends of spring 14 are established respectively on these two guide protrusions, make things convenient for locking button 10 and locking Assembly 9's relatively fixed on the one hand, and on the other hand makes 2 locking buttons 10 more smooth and easy along the relative motion of fore-and-aft direction.

The elastic block 4 is arranged on the inner wall of the locking pipe 3 on one side of the guide rail 7, and the periphery of the elastic block 4 is bonded with the inner wall.

The other port of the three-way balloon handle 1 is used as a second connecting end 1-2 and is used for being connected with a balloon catheter 12, when in use, the guide wire 2 axially penetrates through the balloon catheter 12, the rear end of the guide wire 2 extends out of the rear end of the balloon catheter 12, penetrates through the locking tube 3 from the first connecting end 1-1 through the second connecting end 1-2, and penetrates through the through hole 5 to continuously extend backwards out of the rear end of the locking tube 3.

According to the mechanical plug-in self-locking balloon three-way handle 1, a balloon is fixed on the three-way balloon handle 1 through the balloon catheter 12 according to needs in an endoscope state, then the balloon reaches a lesion position along the guide wire 2 placed in advance, the end of the locking device locking nut 6 is inserted into the guide wire 2, the locking device locking nut is connected with the first connecting end 1-1 of the balloon handle and screwed and fixed, and when the balloon handle needs to be fixed, the locking assembly 9 is pushed forwards, so that the balloon catheter 12 and the guide wire 2 can be fixed together. When the guide wire 2 or the balloon catheter needs to be withdrawn or adjusted, the locking button 10 is pressed relatively, the spring 14 is further compressed, the meshing teeth 13 are disengaged from the rack 8, the locking assembly 9 on the locking device is pushed backwards, after the balloon catheter 12 and the guide wire 2 are withdrawn or adjusted to the needed position, the locking button 10 stops being pressed, the meshing teeth 13 are meshed with the rack 8, the locking assembly 9 is locked and fixed on the guide rail 7, and the balloon catheter 12 and the guide wire 2 are also fixed relatively.

According to another embodiment, not shown, there is also provided a balloon catheter system, which includes a balloon catheter and a balloon handle for operating the position of the balloon catheter, wherein the balloon handle of this embodiment is a mechanical plug-in self-locking balloon three-way handle as described above.

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

1. The utility model provides a mechanical type grafting auto-lock sacculus tee bend handle which characterized in that: the method comprises the following steps:

the three-way balloon handle (1), wherein one port of the three-way balloon handle (1) is used as a first connecting end (1-1);

the locking device comprises a locking pipe (3) and an elastic block (4) arranged in the locking pipe (3), an axial through hole (5) is reserved between the elastic block (4) and the locking pipe (3), a locking nut (6) used for connecting the first connecting end (1-1) with the locking pipe (3) is sleeved at the front end of the locking pipe (3), a guide rail (7) which is gradually close to the axis of the locking pipe (3) from back to front is arranged at the rear part of the locking pipe (3), a rack (8) arranged along the guide rail (7) and a locking assembly (9) matched with the guide rail (7) in a sliding and guiding manner, and a locking button (10) capable of being inserted into the rack (8) and meshed with the rack (8) is arranged on the locking assembly (9); when the locking assembly (9) is pushed forwards along the guide rail (7), the locking assembly (9) extrudes the elastic block (4) along the radial direction passing through the hole (5) so as to lock and fix the guide wire (2) passing through the hole (5), and when the locking assembly (9) is positioned at the rear end of the guide rail (7), the guide wire (2) can move forwards and backwards along the axial direction in the hole (5).

2. The mechanical plug-in self-locking balloon three-way handle according to claim 1, characterized in that: the rear portion of the locking nut (6) is connected with the locking pipe (3), an annular gap (11) is reserved between the front portion of the locking nut (6) and the locking pipe (3), an inner thread is arranged on the inner wall of the front portion of the locking nut (6), an outer thread matched with the inner thread is arranged on the outer wall of the first connecting end (1-1), and the first connecting end (1-1) can be inserted into the annular gap (11) and is in threaded connection with the locking nut (6).

3. The mechanical plug-in self-locking balloon three-way handle according to claim 2, characterized in that: the part of the locking pipe (3) positioned at the annular gap (11) is luer taper (3-1).

4. The mechanical plug-in self-locking balloon three-way handle according to claim 2, characterized in that: the locking pipe (3) positioned behind the annular gap (11) is provided with an axial sliding guide part (3-2), and the front end and the rear end of the sliding guide part (3-2) are respectively provided with a limiting part; the inner side of the rear end of the locking nut (6) is provided with an annular flange (6-1), the annular flange (6-1) is sleeved on the sliding guide part (3-2), when the locking nut (6) is rotated clockwise or anticlockwise, the first connecting end (1-1) and the locking pipe (3) are alternately connected and disconnected in a locking mode, and the locking nut (6) moves back and forth between 2 limiting parts of the locking pipe (3) along the sliding guide part (3-2).

5. The mechanical plug-in self-locking balloon three-way handle according to claim 1, characterized in that: rack (8) have 2 and around interval setting, 2 rack (8) are equipped with the one side of tooth relative, it has respectively to cartridge on the front and back terminal surface of locking Assembly (9) locking button (10), locking button (10) locking Assembly (9) back-and-forth movement relatively, be equipped with on locking button (10) with locking button (10) lie in rack (8) the engaged tooth (13) of meshing with the same side, still include spring (14), the both ends of spring (14) respectively with be located locking button (10) elasticity butt on locking Assembly (9) front and back terminal surface and maintain the engaged state of engaged tooth (13) and rack (8), when pressing locking button (10) relatively simultaneously, spring (14) are compressed and make engaged tooth (13) break away from rack (8) one step.

6. The mechanical plug-in self-locking balloon three-way handle according to claim 1, characterized in that: the elastic block (4) is arranged on the inner wall of the locking pipe (3) on one side of the guide rail (7), and the periphery of the elastic block (4) is bonded with the inner wall.

7. The mechanical plug-in self-locking balloon three-way handle according to claim 1, characterized in that: the elastic block (4) is made of silica gel.

8. A balloon catheter system comprising a balloon catheter (12) and a balloon handle operable to position the balloon catheter, characterized by: the balloon handle is the mechanical plug-in self-locking balloon three-way handle of any one of claims 1-7.

9. The balloon catheter system according to claim 8, wherein: the other port of the three-way balloon handle (1) is used as a second connecting end (1-2) and is used for being connected with the balloon catheter (12), when the three-way balloon handle is used, the guide wire (2) penetrates through the balloon catheter (12) along the axial direction, the rear end of the guide wire (2) extends out of the rear end of the balloon catheter (12), penetrates into the locking pipe (3) from the first connecting end (1-1) through the second connecting end (1-2), and penetrates through the through hole (5) and then continuously extends out of the rear end of the locking pipe (3) backwards.