CN215821867U - Drainage bag capable of being connected with central venous catheter - Google Patents
Drainage bag capable of being connected with central venous catheter Download PDFInfo
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- CN215821867U CN215821867U CN202122174656.3U CN202122174656U CN215821867U CN 215821867 U CN215821867 U CN 215821867U CN 202122174656 U CN202122174656 U CN 202122174656U CN 215821867 U CN215821867 U CN 215821867U
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Abstract
The utility model discloses a drainage bag capable of being connected with a central venous catheter, which comprises a bag body, wherein the bottom of the bag body is connected with a drainage tube, the bottom end of the drainage tube is spirally sleeved with a sleeve cap, one side of the bag body is connected with a backflow prevention device, the backflow prevention device comprises an input tube and an output tube, and the output tube is connected with the bag body. When one end of the input pipe is clamped into the guide pipe, the input pipe is clamped into the guide pipe through the ring, the ring expands and deforms under the extrusion of the input pipe until the end part of the input pipe is completely clamped into the output end of the guide pipe, the screw cap is rotated at the moment, the screw cap moves on the surface of the elastic sheet through the spiral effect of the screw cap and the elastic sheets until the screw cap is attached to the inner sides of the baffle strips at the end parts of the elastic sheets, the extrusion force of the screw cap on the elastic sheets extrudes the input pipe through the ring, and the guide pipe is closely attached to the outer side surface of the input pipe through the ring on the inner side of the elastic sheets, so that the tight connection effect of the guide pipe and the backflow prevention device is improved.
Description
Technical Field
The utility model belongs to the technical field of medical appliances, and particularly relates to a drainage bag which can be connected with a central venous catheter.
Background
The drainage bag generally refers to a transparent plastic bag which is used for specially containing the liquid drained out from the drainage tube and is led out by a pipeline when the blood seepage, the effusion and the like in the body or in the deep part of the operation need to be led out after the operation.
The existing PTCD drainage catheter, abdominal cavity drainage catheter and thoracic cavity drainage catheter are placed by using a central venous catheter, however, the joint of the central venous catheter is not matched with the interface of the existing drainage bag and can not be connected with the central venous catheter, and the central venous catheter is connected by using a rubber tube clinically, so that the PTCD drainage catheter, the abdominal cavity drainage catheter and the thoracic cavity drainage catheter are unsanitary and unsafe.
Therefore, it is desirable to provide a drainage bag that can be connected to a central venous catheter to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a drainage bag connectable to a central venous catheter to solve the problems set forth in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a can with central venous catheter's drainage bag that meets, includes the bag body, the drainage tube is connected to bag body bottom, the spiral cover cap that cup joints in drainage tube bottom, bag body one side is connected and is prevented the adverse current device, prevent that the adverse current device includes input tube and output tube, output tube and bag body coupling, the input tube is connected with the pipe output, the pipe is through preventing that the adverse current device is connected with the bag body coupling.
Furthermore, a plurality of elastic pieces are arranged on the annular outer side of the output end of the guide pipe, one end of each elastic piece is fixedly connected with the circumferential side face of the guide pipe, a barrier strip is arranged at the other end of each elastic piece, and each elastic piece is made of a polyurethane material.
Furthermore, nuts are arranged on the outer sides of the elastic pieces, the nuts are in threaded connection with the outer side faces of the elastic pieces, rings are arranged on the inner sides of the elastic pieces, the outer side faces of the rings are connected with the inner side faces of the elastic pieces, and the inner sides of the rings are sleeved on the surface of the input pipe.
Furthermore, the backflow prevention device comprises a middle pipe, the input pipe and the output pipe are communicated through the middle pipe, and the input pipe, the middle pipe and the output pipe are integrated.
Further, the middle pipe is internally provided with a baffle, one side of the baffle is fixedly connected with a boss, and the baffle corresponds to the end part of the input pipe through the boss.
Further, baffle another side is provided with the baffle, the corresponding laminating of baffle and baffle side, the baffle surface is provided with a plurality of through-holes, input tube and output tube pass through the through-hole intercommunication.
Furthermore, a movable plate is further arranged inside the middle pipe, the side face of the movable plate corresponds to the output end of the input pipe, a plurality of elastic pieces are fixedly connected to the other side face of the movable plate, the elastic pieces are arranged in a crossed mode, and the end portions of the elastic pieces are correspondingly attached to the inner side wall of the middle pipe.
Furthermore, the output end of the conduit is sleeved on the surface of the input pipe, an inner thread is arranged on the inner annular surface of the output end of the conduit, and an outer thread which is in threaded connection with the output end of the conduit is arranged on the outer side surface of the input pipe.
The utility model has the technical effects and advantages that:
1. when one end of the input pipe is clamped into the guide pipe, the input pipe is clamped into the guide pipe through the ring, the ring expands and deforms under the extrusion of the input pipe until the end part of the input pipe is completely clamped into the output end of the guide pipe, the screw cap is rotated at the moment, the screw cap moves on the surface of the elastic sheet through the spiral effect of the screw cap and the elastic sheets until the screw cap is attached to the inner sides of the baffle strips at the end parts of the elastic sheets, the extrusion force of the screw cap on the elastic sheets extrudes the input pipe through the ring, and the guide pipe is closely attached to the outer side surface of the input pipe through the ring on the inner side of the elastic sheets, so that the tight connection effect of the guide pipe and the backflow prevention device is improved.
2. Liquid is led into the bag body through the guide pipe, the liquid can impact the side face of the movable plate, the movable plate extrudes the elastic sheets by the impact force of the liquid until the elastic force of the elastic sheets is the same as the impact force of the liquid, and the liquid is shunted under the limitation of the movable plate and led into the output pipe at the moment and then led into the bag body through the output pipe; when the liquid inside the bag body reversely flows, the elastic force of the elastic pieces rebounds, the elastic force of the elastic pieces enables the movable plate to plug the output end of the input pipe, and the liquid inside the output pipe cannot pass through the movable plate, so that the liquid inside the bag body is prevented from flowing back.
3. According to the utility model, liquid is introduced into the bag body through the guide pipe, the liquid can impact the side face of the movable plate, the movable plate extrudes the elastic sheets by the impact force of the liquid until the elastic force of the elastic sheets is the same as the impact force of the liquid, and at the moment, the liquid is shunted and introduced into the output pipe under the limitation of the movable plate and then introduced into the bag body through the output pipe. When the liquid inside the bag body reversely flows, the elastic force of the elastic pieces rebounds, the elastic force of the elastic pieces enables the movable plate to plug the output end of the input pipe, and the liquid inside the output pipe cannot pass through the movable plate, so that the liquid inside the bag body is prevented from flowing back.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
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 description of the embodiments or 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 those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic view of an overall cross-sectional configuration of a drainage bag that may be interfaced with a central venous catheter in accordance with an embodiment of the present invention;
FIG. 2 is a schematic sectional view showing a reverse flow preventing device according to example 1 of the present invention;
FIG. 3 shows a schematic side view of a separator according to an embodiment of the utility model;
FIG. 4 is a schematic sectional view showing the reverse flow preventing device according to example 2 of the present invention;
FIG. 5 is a schematic diagram illustrating a side structure of a movable plate according to an embodiment of the present invention;
in the figure: 1. a bag body; 2. a drainage tube; 3. sleeving a cap; 4. an input tube; 5. an output pipe; 6. a conduit; 7. an elastic sheet; 8. a nut; 9. a loop; 10. an intermediate pipe; 11. a baffle plate; 12. a partition plate; 13. a through hole; 14. a movable plate; 15. an elastic sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a drainage bag capable of being connected with a central venous catheter, which comprises a bag body 1, wherein the bottom of the bag body 1 is connected with a drainage tube 2, the bottom end of the drainage tube 2 is spirally sleeved with a sleeve cap 3, one side of the bag body 1 is connected with an anti-reflux device, the anti-reflux device comprises an input tube 4 and an output tube 5, the output tube 5 is connected with the bag body 1, the input tube 4 is connected with the output end of a catheter 6, and the catheter 6 is connected with the bag body 1 through the anti-reflux device. When pipe 6 lets in liquid to bag body 1 inside through preventing against current device, utilize and prevent against current device and prevent the liquid of bag body 1 inside against current, improve the sealed effect of the inside liquid of bag body 1, when the inside liquid of bag body 1 needs the drainage, open set cap 3, the inside liquid of bag body 1 passes through drainage tube 2 and flows, flows completely until the inside liquid of bag body 1, then utilizes set cap 3 to cup joint on drainage tube 2, realizes the working process of the bag body 1.
In fig. 1, a plurality of elastic pieces 7 are arranged on the annular outer side of the output end of the conduit 6, one end of each elastic piece 7 is fixedly connected with the circumferential side surface of the conduit 6, a barrier strip is arranged at the other end of each elastic piece 7, and each elastic piece 7 is made of polyurethane material. A plurality of the elastic sheets 7 are provided with screw caps 8 on the outer sides, the screw caps 8 are in threaded connection with the outer side faces of the elastic sheets 7, the inner sides of the elastic sheets 7 are provided with ring rings 9, the outer side faces of the ring rings 9 are connected with the inner side faces of the elastic sheets 7, and the inner sides of the ring rings 9 are sleeved on the surface of the input pipe 4. When the input tube 4 of the anti-reflux device is connected with the guide tube 6, one end of the input tube 4 is clamped into the guide tube 6, when the input tube 4 is clamped into the guide tube 6 through the ring 9, the ring 9 expands and deforms under the extrusion of the input tube 4 until the end part of the input tube 4 is completely clamped into the output end of the guide tube 6, at the moment, the screw cap 8 is rotated, the screw cap 8 moves on the surface of the elastic sheet 7 due to the spiral effect of the screw cap 8 and the elastic sheets 7 until the screw cap 8 is attached to the inner side of the baffle at the end part of the elastic sheet 7, the extrusion force of the screw cap 8 on the elastic sheets 7 extrudes the input tube 4 through the ring 9, the guide tube 6 is closely attached to the outer side surface of the input tube 4 through the ring 9 on the inner side of the elastic sheets 7, and therefore the tight connection effect of the guide tube 6 and the anti-reflux device is improved. Illustratively, the diameter of the conduit 6 is larger than the outer diameter of the existing inlet pipe 4, which facilitates communication between the conduit 6 and inlet pipes 4 of different diameters.
In fig. 2 and 3, the backflow prevention device includes a middle pipe 10, the input pipe 4 and the output pipe 5 are communicated through the middle pipe 10, and the input pipe 4, the middle pipe 10 and the output pipe 5 are integrally provided. The middle pipe 10 is internally provided with a baffle 11, one side surface of the baffle 11 is fixedly connected with a boss, and the baffle 11 corresponds to the end part of the input pipe 4 through the boss. Baffle 11 another side is provided with baffle 12, baffle 12 corresponds the laminating with baffle 11 side, baffle 12 surface is provided with a plurality of through-holes 13, input tube 4 and output tube 5 communicate through-hole 13. When the liquid in the guide tube 6 is introduced into the bag body 1, the liquid impacts the side surface of the movable plate 14, the movable plate 14 is pressed by the impact force of the liquid until the elastic force of the elastic plates 15 is the same as the impact force of the liquid, the liquid is shunted under the limitation of the movable plate 14 and introduced into the output tube 5, and then introduced into the bag body 1 through the output tube 5. When the liquid in the bag body 1 reversely flows, the elastic force of the elastic pieces 15 rebounds, the movable plate 14 blocks the output end of the input pipe 4 by the elastic force of the elastic pieces 15, and the liquid in the output pipe 5 cannot pass through the movable plate 14, so that the liquid in the bag body 1 is prevented from flowing back.
In fig. 4 and 5, a movable plate 14 is further disposed inside the middle tube 10, a side surface of the movable plate 14 corresponds to the output end of the input tube 4, a plurality of elastic pieces 15 are fixedly connected to the other side surface of the movable plate 14, the elastic pieces 15 are arranged in a crossed manner, and end portions of the elastic pieces 15 are correspondingly attached to the inner side wall of the middle tube 10. When the liquid in the guide tube 6 is introduced into the bag body 1, the liquid impacts the side surface of the movable plate 14, the movable plate 14 is pressed by the impact force of the liquid until the elastic force of the elastic plates 15 is the same as the impact force of the liquid, the liquid is shunted under the limitation of the movable plate 14 and introduced into the output tube 5, and then introduced into the bag body 1 through the output tube 5. When the liquid in the bag body 1 reversely flows, the elastic force of the elastic pieces 15 rebounds, the movable plate 14 blocks the output end of the input pipe 4 by the elastic force of the elastic pieces 15, and the liquid in the output pipe 5 cannot pass through the movable plate 14, so that the liquid in the bag body 1 is prevented from flowing back.
In fig. 2 and 4, the output end of the conduit 6 is sleeved on the surface of the input pipe 4, an inner thread is arranged on the inner ring surface of the output end of the conduit 6, and an outer thread which is in threaded connection with the output end of the conduit 6 is arranged on the outer side surface of the input pipe 4. When connecting pipe 6 and input tube 4, thereby the spiral buckle effect of the internal thread of the inboard anchor ring of pipe 6 and the external screw thread of 4 lateral surfaces of input tube is connected pipe 6 and input tube 4 zonulae occludens, through the mode of screwed connection with pipe 6 and input tube 4, and screwed connection's pipe 6 and input tube 4 have guaranteed the connectivity dismantled of pipe 6 and input tube 4.
The working principle of the utility model is as follows:
referring to fig. 1 to 5 of the specification, when a liquid needs to be introduced into the bag body 1, the liquid needs to be connected to the duct 6 by a backflow prevention device. When the input tube 4 of the anti-reflux device is connected with the guide tube 6, one end of the input tube 4 is clamped into the guide tube 6, when the input tube 4 is clamped into the guide tube 6 through the ring 9, the ring 9 expands and deforms under the extrusion of the input tube 4 until the end part of the input tube 4 is completely clamped into the output end of the guide tube 6, at the moment, the screw cap 8 is rotated, the screw cap 8 moves on the surface of the elastic sheet 7 due to the spiral effect of the screw cap 8 and the elastic sheets 7 until the screw cap 8 is attached to the inner side of the baffle at the end part of the elastic sheet 7, the extrusion force of the screw cap 8 on the elastic sheets 7 extrudes the input tube 4 through the ring 9, the guide tube 6 is closely attached to the outer side surface of the input tube 4 through the ring 9 on the inner side of the elastic sheets 7, and therefore the tight connection effect of the guide tube 6 and the anti-reflux device is improved.
When the conduit 6 is connected with the input pipe 4, the inner thread of the inner annular surface of the conduit 6 and the outer thread of the outer side surface of the input pipe 4 have the spiral buckling effect, so that the conduit 6 is tightly connected with the input pipe 4, and the conduit 6 is connected with the input pipe 4 in a spiral connection mode.
Utilize one kind to prevent that device lets in liquid to bag body 1 inside against current, when the inside liquid of pipe 6 accesss to bag body 1 inside, liquid can strike on the boss of baffle 11, the impact force of liquid makes baffle 11 be close to baffle 12, correspond the laminating until baffle 11 side and baffle 12 side, liquid shunts under the restriction of boss and baffle 11 this moment, then flows into inside the output tube 5 through the through-hole 13 of baffle 12 table, then lets in inside the bag body 1 through output tube 5. When the liquid inside the bag body 1 reversely flows, the liquid inside the output pipe 5 pushes the baffle plate 11 to move through the through hole 13, and the baffle plate 11 and the boss are matched to directly plug the output end of the input pipe 4, so that the liquid inside the bag body 1 is prevented from flowing back.
When liquid is introduced into the bag body 1 by using another anti-reflux device, when the liquid in the guide pipe 6 is introduced into the bag body 1, the liquid impacts the side surface of the movable plate 14, the movable plate 14 extrudes the elastic sheets 15 by the impact force of the liquid until the elastic force of the elastic sheets 15 is the same as the impact force of the liquid, the liquid is shunted under the limitation of the movable plate 14 and introduced into the output pipe 5, and then introduced into the bag body 1 through the output pipe 5. When the liquid in the bag body 1 reversely flows, the elastic force of the elastic pieces 15 rebounds, the movable plate 14 blocks the output end of the input pipe 4 by the elastic force of the elastic pieces 15, and the liquid in the output pipe 5 cannot pass through the movable plate 14, so that the liquid in the bag body 1 is prevented from flowing back.
When the liquid in the bag body 1 needs to be drained, the cap 3 is opened, the liquid in the bag body 1 flows out through the drainage tube 2 until the liquid in the bag body 1 completely flows out, and then the cap 3 is sleeved on the drainage tube 2 to realize the working process of the bag body 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The utility model provides a can with the drainage bag that central venous catheter meets, includes bag body (1), its characterized in that: the drainage tube (2) is connected to bag body (1) bottom, drainage tube (2) bottom spiral cover cap 3, the device against current is prevented in the connection of bag body (1) one side, prevent against current the device including input tube (4) and output tube (5), output tube (5) are connected with bag body (1), and input tube (4) are connected with pipe (6) output, pipe (6) are connected with bag body (1) through preventing against current the device.
2. A drainage bag connectable to a central venous catheter as in claim 1, wherein:
the utility model discloses a catheter, including pipe (6), pipe (6) output end annular outside is provided with a plurality of flexure strips (7), flexure strip (7) one end and pipe (6) circumference side fixed connection, and the flexure strip (7) other end is provided with the blend stop, flexure strip (7) are made by the polyurethane material.
3. A drainage bag connectable to a central venous catheter as in claim 2, wherein:
a plurality of nut (8) is arranged on the outer side of the elastic sheet (7), the nut (8) is in threaded connection with the outer side faces of the elastic sheets (7), a ring (9) is arranged on the inner side of the elastic sheet (7), the outer side faces of the ring (9) are connected with the inner side faces of the elastic sheets (7), and the inner side of the ring (9) is sleeved on the surface of the input pipe (4).
4. A drainage bag connectable to a central venous catheter as in claim 1, wherein:
the backflow prevention device comprises a middle pipe (10), the input pipe (4) and the output pipe (5) are communicated through the middle pipe (10), and the input pipe (4), the middle pipe (10) and the output pipe (5) are integrated.
5. A drainage bag connectable to a central venous catheter as in claim 4, wherein:
the middle pipe (10) is internally provided with a baffle (11), one side surface of the baffle (11) is fixedly connected with a boss, and the baffle (11) corresponds to the end part of the input pipe (4) through the boss.
6. A drainage bag connectable to a central venous catheter as in claim 5, wherein:
baffle (11) another side is provided with baffle (12), baffle (12) correspond the laminating with baffle (11) side, baffle (12) surface is provided with a plurality of through-holes (13), through-hole (13) intercommunication is passed through in input tube (4) and output tube (5).
7. A drainage bag connectable to a central venous catheter as in claim 4, wherein:
the middle pipe (10) is internally provided with a movable plate (14), the side surface of the movable plate (14) corresponds to the output end of the input pipe (4), the other side surface of the movable plate (14) is fixedly connected with a plurality of elastic sheets (15), the elastic sheets (15) are arranged in a crossed mode, and the end portions of the elastic sheets (15) are correspondingly attached to the inner side wall of the middle pipe (10).
8. A drainage bag connectable to a central venous catheter as in claim 1, wherein:
the output end of the conduit (6) is sleeved on the surface of the input pipe (4), an internal thread is arranged on the inner side ring surface of the output end of the conduit (6), and an external thread which is in threaded connection with the output end of the conduit (6) is arranged on the outer side surface of the input pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174656.3U CN215821867U (en) | 2021-09-09 | 2021-09-09 | Drainage bag capable of being connected with central venous catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174656.3U CN215821867U (en) | 2021-09-09 | 2021-09-09 | Drainage bag capable of being connected with central venous catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821867U true CN215821867U (en) | 2022-02-15 |
Family
ID=80198992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122174656.3U Active CN215821867U (en) | 2021-09-09 | 2021-09-09 | Drainage bag capable of being connected with central venous catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821867U (en) |
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2021
- 2021-09-09 CN CN202122174656.3U patent/CN215821867U/en active Active
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