CN209696032U - A kind of pigtail drainage catheter being not easily broken - Google Patents
A kind of pigtail drainage catheter being not easily broken Download PDFInfo
- Publication number
- CN209696032U CN209696032U CN201920173728.2U CN201920173728U CN209696032U CN 209696032 U CN209696032 U CN 209696032U CN 201920173728 U CN201920173728 U CN 201920173728U CN 209696032 U CN209696032 U CN 209696032U
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- China
- Prior art keywords
- connector
- straight tube
- hole
- cushion collar
- handheld terminal
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Abstract
The utility model provides a kind of pigtail drainage catheter being not easily broken, including straight tube, connector and cushion collar.Hollow connector is fixedly connected with the right end of straight tube, and connector is connected to straight tube, and the outer diameter of connector is greater than the outer diameter of straight tube.Preferably, connector includes handheld terminal and the connecting pin of connection, and the outer diameter of handheld terminal is greater than the outer diameter of connecting pin, and handheld terminal is located at the left end of connecting pin, and the center overlapping of axles of the central axis of handheld terminal and connecting pin.Further, the external dense arrangement of handheld terminal has the more friction lines for increasing friction force, and more friction lines, each parallel to the central axis of handheld terminal, more friction lines are an integral molding structure with handheld terminal.In practical applications, screw thread is distributed in the outside of connecting pin.The pigtail drainage catheter of the utility model has installed cushion collar additional between straight tube and connector, and by straight tube and connector nature transition, the intersection of straight tube and connector will not be bent, and straight tube would not also twist off.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of pigtail drainage catheters being not easily broken.
Background technique
Pigtail drainage catheter percutaneous puncture in the prior art is gradually to be expanded minimally invasive hole by the method for puncturing expansion
It opens to required size, then guides pigtail drainage catheter to enter lesions position by seal wire, catheter proximal end is processed into tapered
Wedge shape, in order to be entered in human body by expanded bore.Currently, pigtail drainage catheter includes hose and connector, led in drainage
After pipe insertion in patient body, it is constantly movable that patient needs, and then drainage catheter is driven constantly to be bent and reverse, due to connector
Hardness is larger, and the hardness of hose is smaller, and between the two repeatedly after friction, hose is easy to be broken off, cause its internal drug or
Flushing liquor is flowed out from fracture.Also, current connector outer diameter is greater than hose outside diameter, is formed a step, adds connector
For hard, if patient is very uncomfortable if connector is pressed under body during sleep.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of pigtail drainage catheters being not easily broken, it is therefore an objective to solve soft
The problem of tube capacity is easily broken off.
To achieve the above object, the utility model adopts the technical scheme that
The utility model proposes a kind of pigtail drainage catheters being not easily broken, including straight tube, connector and cushion collar；It is hollow
The connector be fixedly connected with the right end of the straight tube, and the connector is connected to the straight tube, and the outer diameter of the connector is big
In the outer diameter of the straight tube；The cushion collar is an integral molding structure, and the centre of the outside of the cushion collar is cylindrical body, described
The left and right ends of the outside of cushion collar are the circular platform type that side is outer convex globoidal, the inside of the cushion collar have the first hole and
Second hole, first hole are located at the left end in second hole, the central axis of the central axis in first hole and second hole
It is overlapped, first hole and second hole are interconnected and run through the left and right ends of the cushion collar, first hole
Diameter is not more than the outer diameter of the straight tube, and the diameter in second hole is not more than the outer diameter of the connector, and first hole
Diameter is less than the diameter in second hole, and the cushion collar is movably socketed on the periphery of the straight tube, and the cushion collar
Positioned at the left end of the connector.
Preferably, the connector includes handheld terminal and the connecting pin of connection, the outer diameter of the handheld terminal is greater than the connection
The outer diameter at end, the handheld terminal are located at the left end of the connecting pin, and in the central axis of the handheld terminal and the connecting pin
Mandrel is overlapped.
Preferably, the external dense arrangement of the handheld terminal has the more friction lines for increasing friction force, and more institutes
Friction line is stated each parallel to the central axis of the handheld terminal, the more friction lines are an integral molding structure with the handheld terminal.
Preferably, screw thread is distributed in the outside of the connecting pin.
Preferably, the pigtail drainage catheter being not easily broken of the utility model further includes bend pipe, the bend pipe curled
It is communicatively fixedly connected with the left end of the straight tube, multiple apertures is distributed on the inside of the bend pipe.
Preferably, the hardness of the cushion collar is greater than the straight tube, the hardness of the cushion collar is less than the connector.
Preferably, the axial length in second hole is greater than the axial length of the connector.
Compared with prior art, the pigtail drainage catheter of the utility model has installed buffering additional between straight tube and connector
It covers, the shape inside cushion collar is set according to the shape of straight tube and connector, and the outside of cushion collar is cocoon type, and surface is smooth song
Face, by straight tube and connector nature transition, the intersection of straight tube and connector will not be bent, and straight tube would not also twist off.Also, it buffers
By fitting sleeve in inside, human body does not contact directly set with connector, but contacts with smooth cushion collar, substantially increases patient's
Comfort level will not feel good accidentally cushion collar is pressed under body yet.In addition, the cushion collar of the utility model does not make
Used time does not cover on connector, and is moveable design, can after connecting connector mobile cushioning set again, cushion collar is just
Entire connector can completely be covered in inside, operation is also more convenient.
Detailed description of the invention
Fig. 1 be the pigtail drainage catheter being not easily broken of an embodiment of the present invention it is unused when whole signal
Figure；
Fig. 2 is the diagrammatic cross-section of the cushion collar of an embodiment of the present invention；
Whole signal when Fig. 3 is the use of the pigtail drainage catheter being not easily broken of an embodiment of the present invention
Figure；
In figure: 1- straight tube；2- connector；21- handheld terminal；The connecting pin 22-；3- cushion collar；The first hole 31-；The second hole 32-；
4- bend pipe；41- aperture；5- connecting tube.
Specific embodiment
To make to have further understanding to the purpose of this utility model, construction, feature and its function, hereby cooperate embodiment
Detailed description are as follows.
Incorporated by reference to referring to Fig. 1 and Fig. 2, Fig. 1 is the pigtail drainage catheter being not easily broken of an embodiment of the present invention
It is unused when overall schematic, Fig. 2 be an embodiment of the present invention cushion collar diagrammatic cross-section.The utility model
It is related to a kind of pigtail drainage catheter being not easily broken, including straight tube 1, connector 2 and cushion collar 3.
Hollow connector 2 is fixedly connected with the right end of straight tube 1, and connector 2 is connected to straight tube 1, and the outer diameter of connector 2 is greater than straight
The outer diameter of pipe 1.Preferably, connector 2 includes handheld terminal 21 and the connecting pin 22 of connection, and the outer diameter of handheld terminal 21 is greater than connecting pin 22
Outer diameter, handheld terminal 21 is located at the left end of connecting pin 22, and the center overlapping of axles of the central axis of handheld terminal 21 and connecting pin 22.Into
One step, the external dense arrangement of handheld terminal 21 has the more friction lines for increasing friction force, and more friction lines are parallel
In the central axis of handheld terminal 21, more friction lines are an integral molding structure with handheld terminal 21.In practical applications, connecting pin 22
Screw thread is distributed in outside.
Cushion collar 3 is an integral molding structure, and the centre of the outside of cushion collar 3 is cylindrical body, the left and right of the outside of cushion collar 3
Both ends are the circular platform type that side is outer convex globoidal, and the inside of cushion collar 3 has the first hole 31 and the second hole 32, the first 31, hole
In the left end in the second hole 32, the center overlapping of axles of the central axis in the first hole 31 and the second hole 32,32 phase of the first hole 31 and the second hole
Left and right ends that are intercommunicated and running through cushion collar 3, the diameter in the first hole 31 are not more than the outer diameter of straight tube 1, the second hole 32 it is straight
Diameter is not more than the outer diameter of connector 2, and the diameter in the first hole 31, less than the diameter in the second hole 32, cushion collar 3 is movably socketed on
The periphery of straight tube 1, and cushion collar 3 is located at the left end of connector 2.
Preferably, the pigtail drainage catheter being not easily broken of the utility model further includes bend pipe 4, the bend pipe 4 curled with
The left end of straight tube 1 is communicatively fixedly connected, and multiple apertures 41 are distributed in the inside of bend pipe 4, when bend pipe 4 is located at patient's body,
Medical fluid or flushing liquor can be flowed out from aperture 41, and then be treated.
Incorporated by reference to referring to Fig. 1 and Fig. 3, Fig. 3 is the pigtail drainage catheter being not easily broken of an embodiment of the present invention
Use when overall schematic.Specific mode of operation are as follows: firstly, the connecting pin 22 of connector 2 is connect with connecting tube 5, even
Adapter tube 5 is connected to the equipment equipped with medical fluid or flushing liquor, and since there is screw thread in 22 periphery of connecting pin, and 5 inner shaft of connecting tube also has spiral shell
Connecting pin 22 can be spun in connecting tube 5 by line by holding handheld terminal 21, and the friction line on handheld terminal 21 can effectively increase
The frictional force of itself and hand；Then, cushion collar 3 is moved right, it is preferable that the axial length in the second hole 32 is greater than connector 2
Cushion collar 3 can thus be moved to the intersection that its right end is more than connector 2 and connecting tube 5 by axial length, that is to say, that
Second hole 32 is placed on the outside of connector 2 Yu connecting tube 5, and the first hole 31 is placed on the outside of straight tube 1, the first hole 31 and the second hole 32 it
Between ladder be stuck in the intersection of connector 2 Yu straight tube 1, this design can move right automatically to avoid cushion collar 3, and then prevent connector
2 are exposed again；Finally, bend pipe 4 is slowly inserted into the patient, connecting tube 5 passes sequentially through straight tube 1 and bend pipe 4 for medical fluid
Or flushing liquor inputs patient's body.In practical applications, the hardness of cushion collar 3 is greater than straight tube 1, and the hardness of cushion collar 3, which is less than, to be connect
First 2, the intersection that straight tube 1 and connector 2 so can be effectively prevented is bent, and straight tube 1 would not twist off.
Compared with prior art, the pigtail drainage catheter of the utility model has installed buffering additional between straight tube and connector
It covers, the shape inside cushion collar is set according to the shape of straight tube and connector, and the outside of cushion collar is cocoon type, and surface is smooth song
Face, by straight tube and connector nature transition, the intersection of straight tube and connector will not be bent, and straight tube would not also twist off.Also, it buffers
By fitting sleeve in inside, human body does not contact directly set with connector, but contacts with smooth cushion collar, substantially increases patient's
Comfort level will not feel good accidentally cushion collar is pressed under body yet.In addition, the cushion collar of the utility model does not make
Used time does not cover on connector, and is moveable design, can after connecting connector mobile cushioning set again, cushion collar is just
Entire connector can completely be covered in inside, operation is also more convenient.
The utility model is described by above-mentioned related embodiment, however above-described embodiment is only to implement the utility model
Example.It must be noted that the embodiment disclosed is not limiting as the scope of the utility model.On the contrary, not departing from this
It is changed and retouched made by the spirit and scope of utility model, belongs to the scope of patent protection of the utility model.
Claims (7)
1. a kind of pigtail drainage catheter being not easily broken, it is characterised in that including straight tube, connector and cushion collar；Hollow is described
Connector is fixedly connected with the right end of the straight tube, and the connector is connected to the straight tube, and the outer diameter of the connector is greater than described
The outer diameter of straight tube；The cushion collar is an integral molding structure, and the centre of the outside of the cushion collar is cylindrical body, the cushion collar
The left and right ends of outside be circular platform type that side is outer convex globoidal, the inside of the cushion collar has the first hole and second
Hole, first hole are located at the left end in second hole, the center overlapping of axles of the central axis in first hole and second hole,
First hole and second hole are interconnected and run through the left and right ends of the cushion collar, and the diameter in first hole is not
Greater than the outer diameter of the straight tube, the diameter in second hole is not more than the outer diameter of the connector, and the diameter in first hole is small
Diameter in second hole, the cushion collar is movably socketed on the periphery of the straight tube, and the cushion collar is located at institute
State the left end of connector.
2. a kind of pigtail drainage catheter being not easily broken as described in claim 1, it is characterised in that the connector includes connecting
Logical handheld terminal and connecting pin, the outer diameter of the handheld terminal are greater than the outer diameter of the connecting pin, and the handheld terminal is located at the company
Connect the left end at end, and the center overlapping of axles of the central axis of the handheld terminal and the connecting pin.
3. a kind of pigtail drainage catheter being not easily broken as claimed in claim 2, it is characterised in that outside the handheld terminal
Portion's dense arrangement has the more friction lines for increasing friction force, and the more friction lines are each parallel in the handheld terminal
Mandrel, the more friction lines are an integral molding structure with the handheld terminal.
4. a kind of pigtail drainage catheter being not easily broken as claimed in claim 3, it is characterised in that outside the connecting pin
Part is furnished with screw thread.
5. a kind of pigtail drainage catheter being not easily broken as described in claim 1, it is characterised in that further include bend pipe, curl
The bend pipe be communicatively fixedly connected with the left end of the straight tube, multiple apertures are distributed on the inside of the bend pipe.
6. a kind of pigtail drainage catheter being not easily broken as described in claim 1, it is characterised in that the cushion collar it is hard
Degree is greater than the straight tube, and the hardness of the cushion collar is less than the connector.
7. a kind of pigtail drainage catheter being not easily broken as described in claim 1, it is characterised in that the axis in second hole
It is greater than the axial length of the connector to length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173728.2U CN209696032U (en) | 2019-01-31 | 2019-01-31 | A kind of pigtail drainage catheter being not easily broken |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920173728.2U CN209696032U (en) | 2019-01-31 | 2019-01-31 | A kind of pigtail drainage catheter being not easily broken |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209696032U true CN209696032U (en) | 2019-11-29 |
Family
ID=68642525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920173728.2U Expired - Fee Related CN209696032U (en) | 2019-01-31 | 2019-01-31 | A kind of pigtail drainage catheter being not easily broken |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209696032U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190826A (en) * | 2020-09-21 | 2021-01-08 | 北京嘉和博龙医疗科技有限公司 | Ureter expansion sacculus seal wire |
-
2019
- 2019-01-31 CN CN201920173728.2U patent/CN209696032U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190826A (en) * | 2020-09-21 | 2021-01-08 | 北京嘉和博龙医疗科技有限公司 | Ureter expansion sacculus seal wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 Termination date: 20210131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |