CN211751353U - Connecting device for central venous catheter and drainage bag - Google Patents
Connecting device for central venous catheter and drainage bag Download PDFInfo
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- CN211751353U CN211751353U CN201922477971.6U CN201922477971U CN211751353U CN 211751353 U CN211751353 U CN 211751353U CN 201922477971 U CN201922477971 U CN 201922477971U CN 211751353 U CN211751353 U CN 211751353U
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- venous catheter
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Abstract
A connecting device for a central venous catheter and a drainage bag relates to the technical field of medical instruments and comprises a plurality of upper adapters and lower adapters, wherein the upper adapters are connected with a terminal connector of the central venous catheter in a matched manner; when the number of the upper rotary joints is more than or equal to two, the upper end of the main guide pipe is provided with branch guide pipes with the number equal to that of the upper rotary joints, the upper ends of the branch guide pipes are communicated with the corresponding upper rotary joints, and the lower ends of the branch guide pipes are communicated with the main guide pipe through an integration chamber; the integration chamber is provided with a liquid collection cavity, and the branch conduit and the main conduit are respectively communicated with the liquid collection cavity. The utility model has the characteristics of safety, comfort, convenience and economy.
Description
Technical Field
The utility model belongs to the technical field of the medical instrument technique and specifically relates to a connecting device that is used for central venous catheter and drainage bag.
Background
Many diseases can cause pleural cavity and abdominal cavity hydrops clinically, often can adopt central venous catheterization and chest, ascites drainage bag to carry out thorax closed drainage, and the disposable central venous catheter who puts into in the coelom can be left in vivo for a long time, lasts the drainage hydrops, and catheter insertion's degree of depth also can be adjusted, makes spaced hydrops can basically arrange completely. In clinical use, the drainage method has many problems, because the end joint of the central venous catheter is generally a hollow cylindrical hard joint, the drainage tube structure of the drainage bag which is clinically used at present is generally a semi-conical hard joint, the drainage tube structure and the drainage tube structure are connected and are not matched, medical personnel can take local materials and use an injector, an arterial blood taking needle, a medical three-way joint, a tourniquet and a connecting tube of the drainage bag by itself to self-manufacture a simple connecting structure so as to meet the drainage requirement, but the mode has the following defects: 1. the connecting parts are prone to cause the skin of a patient to be pressed, and accidental injury can be caused to the patient; 2. the connection is not firm, and the connection part is easy to be separated, so that pneumothorax and infection are caused, and potential safety hazards exist. Therefore, in combination with the current situation, it is desirable to provide a connection catheter dedicated to the central venous catheter and the drainage bag so as to ensure a safe, comfortable, convenient and economical connection between the central venous catheter and the drainage bag catheter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the connecting device for the central venous catheter and the drainage bag is safe, comfortable, convenient and economical and is not enough in the prior art.
The utility model aims to solve the technical problem that the utility model is realized by the following technical proposal, the utility model relates to a connecting device for a central venous catheter and a drainage bag, which is characterized in that the connecting device comprises a plurality of upper rotating joints which are matched and connected with the end joint of the central venous catheter and a lower rotating joint which is matched and connected with the outer cone joint of the drainage bag, a main catheter is arranged between the upper rotating joint and the lower rotating joint, the upper end of the main catheter is communicated with the upper rotating joints, and the lower end of the main catheter is communicated with the lower rotating joints; when the number of the upper rotary joints is more than or equal to two, the upper end of the main guide pipe is provided with branch guide pipes with the number equal to that of the upper rotary joints, the upper ends of the branch guide pipes are communicated with the corresponding upper rotary joints, and the lower ends of the branch guide pipes are communicated with the main guide pipe through an integration chamber; the integration chamber is provided with a liquid collection cavity, and the branch conduit and the main conduit are respectively communicated with the liquid collection cavity.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the connecting device who is used for central venous catheter and drainage bag in: one of the upper rotary joints is a joint matched with a rifling joint at the tail end of a central venous catheter, the joint comprises a joint pipe section connected with a branch catheter at the rear end, an annular joint groove surrounding the joint pipe section for a circle is arranged at the front end of the joint pipe section, an opening of the joint groove is arranged towards the front end opening of the joint pipe section, and an internal thread is arranged on the inner wall of the joint groove.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the connecting device who is used for central venous catheter and drainage bag in: one of the upper connectors is a plug-in connector which is matched and connected with a 6% luer inner cone lug-free connector at the tail end of the central venous catheter, the plug-in connector comprises a plug-in pipe section of which the rear end is connected with the branch catheter, and an annular limiting flange is arranged at the rear part of the plug-in pipe section around the plug-in pipe section in a circle.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the connecting device who is used for central venous catheter and drainage bag in: one of the upper connectors is a screwing connector which is matched and connected with a lug connector of a 6% luer outer cone at the tail end of the central venous catheter, the screwing connector comprises a screwing pipe section of which the rear end is connected with the branch catheter, a screwing sleeve is arranged at the front end of the screwing pipe section, and internal threads are arranged on the inner wall of the screwing sleeve.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the connecting device who is used for central venous catheter and drainage bag in: the lower adapter comprises a sleeve pipe, the rear end of the sleeve pipe is communicated with the main catheter, the inner cavity of the sleeve pipe is gradually contracted from front to back to form a conical butt joint cavity, and the taper of the butt joint cavity is in taper fit with the outer cone adapter of the drainage bag.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the connecting device who is used for central venous catheter and drainage bag in: the outer peripheral wall of the lower part of the sleeve pipe is provided with an anti-skid thread to form a handheld part.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, above the connecting device who is used for central venous catheter and drainage bag in: the main duct is provided with a liquid stopping clip.
Compared with the prior art, the beneficial effects of the utility model are that:
the upper adapter is connected with the connector at the tail end of the central venous catheter, the lower adapter is connected with the outer cone connector of the drainage bag, and the upper adapter is communicated with the lower adapter through the main catheter, so that the central venous catheter is communicated with the drainage bag;
the upper rotary joint structure is matched with the tail end connector of the central venous catheter, and the lower rotary joint structure is matched with the outer conical connector of the drainage bag, so that the connection is firm, the disconnection is difficult, pneumothorax and infection caused by disconnection of the connectors are avoided, potential safety hazards are reduced, and the safety is improved;
the upper rotary joint is respectively provided with the upper rotary joints of three structures according to the types of the tail-end joints of the central venous catheter, so that the connecting device for the central venous catheter and the drainage bag is wide in application range, simple in structure, less in material consumption, economical and practical.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of embodiment 2;
fig. 3 is a schematic structural diagram of embodiment 3.
In the figure: 1. the device comprises a clamping joint, 11 clamping pipe sections, 12 clamping grooves, 2 plug-in joints, 21 plug-in pipe sections, 22 limiting flanges, 3 rotary joints, 31 rotary joint pipe sections, 32 rotary joint sleeves, 4 branch pipes, 5 integration chambers, 51 liquid collecting chambers, 6 main pipes, 7 liquid stopping clamps, 8 lower rotary joints, 81 sleeve pipes, 82 butt joint chambers and 83 handheld portions.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
[ example 1 ]
Referring to fig. 1, a connecting device for a central venous catheter and a drainage bag comprises an upper adapter cooperatively connected with a terminal connector of the central venous catheter and a lower adapter 8 cooperatively connected with an outer conical connector of the drainage bag, wherein a main catheter 6 is arranged between the upper adapter and the lower adapter 8, the upper end of the main catheter 6 is communicated with the upper adapter, and the lower end of the main catheter 6 is communicated with the lower adapter 8;
go up the rotary joint and connect 1 for connecting complex joint with the terminal joint that can get of central venous catheter, joint connects 1 and includes joint pipeline section 11 that rear end and branch pipe 4 are connected, is equipped with around joint pipeline section 11 a week annular joint groove 12 at the front end of joint pipeline section 11, and the opening of joint groove 12 sets up towards the front end opening of joint pipeline section 11, is equipped with the internal thread on the inner wall of joint groove 12. The joint is matched with a rifling joint at the tail end of a central venous catheter for use, the rifling joint is inserted into the clamping groove 12 and screwed down through threaded connection, and the joint is ensured to be firmly connected and not easy to loosen.
The lower adapter 8 comprises a sleeve 81, the rear end of the sleeve 81 is communicated with the main catheter 6, the inner cavity of the sleeve 81 is gradually contracted from front to back to form a conical butt joint cavity 82, and the taper of the butt joint cavity 82 is in taper fit with the outer cone adapter of the drainage bag. This connect the outer cone joint cooperation of being connected with the drainage bag, insert the outer cone joint of drainage bag in the bell and spigot joint pipe 81, because of the conical taper of butt joint chamber 82 and the taper fit of outer cone joint, make the outer cone joint of lower adapter 8 and drainage bag closely cooperate and be connected, guarantee to articulate firmly, difficult pine takes off.
The outer peripheral wall of the lower portion of the sleeve pipe 81 is provided with an anti-skid thread to form a handheld portion 83, so that the handheld lower joint 8 can be conveniently butted with an outer conical joint of a drainage bag.
A liquid stopping clamp 7 is arranged on the main catheter 6, and the liquid stopping clamp 7 can realize the control of the on-off of drainage; if the central venous catheter or the drainage bag is provided with a liquid stopping device, the liquid stopping clip 7 can be omitted.
[ example 2 ]
Referring to fig. 2, in embodiment 1, there are two upper adapters, two branch pipes 4 are respectively arranged at the upper end of a main pipe 6, the upper ends of the branch pipes 4 are communicated with the corresponding upper adapters, and the lower ends of the branch pipes 4 are communicated with the main pipe 6 through an integration chamber 5; the integration chamber 5 is provided with a liquid collecting cavity 51, and the branch conduit 4 and the main conduit 6 are respectively communicated with the liquid collecting cavity 51.
One of them of upward rotary joint connects 1 for connecting complex joint with the terminal joint that can get of central venous catheter, joint connects 1 and includes the joint pipeline section 11 that rear end and branch pipe 4 are connected, is equipped with the cyclic annular joint groove 12 around 11 a week of joint pipeline section at the front end of joint pipeline section 11, and the opening of joint groove 12 sets up towards the front end opening of joint pipeline section 11, is equipped with the internal thread on the inner wall of joint groove 12.
The other upper adapter is a screwing adapter 3 which is matched and connected with a 6% luer outer cone at the tail end of the central venous catheter and provided with a lug joint, the screwing adapter 3 comprises a screwing pipe section 31 of which the rear end is connected with the branch catheter 4, a screwing sleeve 32 is arranged at the front end of the screwing pipe section 31, and internal threads are arranged on the inner wall of the screwing sleeve 32. The connector is matched with a 6% luer outer cone with lug connector at the tail end of a central venous catheter for use, and the 6% luer outer cone with lug connector is screwed in the screwing sleeve 32 through threads, so that the connector is firmly connected and is not easy to loosen.
[ example 3 ]
Referring to fig. 3, in embodiment 1, there are three upper adapters, three branch pipes 4 are respectively arranged at the upper end of a main pipe 6, the upper ends of the branch pipes 4 are communicated with the corresponding upper adapters, and the lower ends of the branch pipes 4 are communicated with the main pipe 6 through an integration chamber 5; the integration chamber 5 is provided with a liquid collecting cavity 51, and the branch conduit 4 and the main conduit 6 are respectively communicated with the liquid collecting cavity 51.
The first upper rotating joint is a joint 1 matched with a rift joint at the tail end of a central venous catheter, the joint 1 comprises a joint pipe section 11 of which the rear end is connected with a branch catheter 4, an annular joint groove 12 surrounding the joint pipe section 11 for a circle is arranged at the front end of the joint pipe section 11, the opening of the joint groove 12 is arranged towards the opening at the front end of the joint pipe section 11, and an internal thread is arranged on the inner wall of the joint groove 12.
The second upper adapter is a plug connector 2 which is matched and connected with a 6% luer inner conical lug-free connector at the tail end of a central venous catheter, the plug connector 2 comprises a plug pipe section 21 with the rear end connected with a branch catheter 4, and an annular limiting flange 22 is arranged at the rear part of the plug pipe section 21 and surrounds the plug pipe section 21 for one circle. The connector is matched with a 6% luer inner cone lug-free connector at the tail end of a central venous catheter for use, a plug pipe section 21 is inserted into an inner cone hole of the 6% luer inner cone lug-free connector, a limiting flange 22 is limited and clamped, and the connector is ensured to be firmly connected through interference fit and is not easy to loosen.
The third upper adapter is a screwed joint 3 which is matched and connected with a 6% luer outer cone with lug joint at the tail end of the central venous catheter, the screwed joint 3 comprises a screwed pipe section 31 of which the rear end is connected with the branch catheter 4, a screwed sleeve 32 is arranged at the front end of the screwed pipe section 31, and internal threads are arranged on the inner wall of the screwed sleeve 32.
All the parts in the above embodiments 1-3 are made of transparent medical high polymer materials, which is convenient for observing the drainage condition.
Claims (7)
1. A connecting device for a central venous catheter and a drainage bag is characterized in that: the drainage device comprises a plurality of upper adapters and lower adapters, wherein the upper adapters are connected with the tail end connector of the central venous catheter in a matched mode, the lower adapters are connected with the outer cone connector of the drainage bag in a matched mode, a main catheter is arranged between the upper adapters and the lower adapters, the upper end of the main catheter is communicated with the upper adapters, and the lower end of the main catheter is communicated with the lower adapters; when the number of the upper rotary joints is more than or equal to two, the upper end of the main guide pipe is provided with branch guide pipes with the number equal to that of the upper rotary joints, the upper ends of the branch guide pipes are communicated with the corresponding upper rotary joints, and the lower ends of the branch guide pipes are communicated with the main guide pipe through an integration chamber; the integration chamber is provided with a liquid collection cavity, and the branch conduit and the main conduit are respectively communicated with the liquid collection cavity.
2. A connection device for a central venous catheter and a drainage bag according to claim 1, characterised in that: one of the upper rotary joints is a joint matched with a rifling joint at the tail end of a central venous catheter, the joint comprises a joint pipe section connected with a branch catheter at the rear end, an annular joint groove surrounding the joint pipe section for a circle is arranged at the front end of the joint pipe section, an opening of the joint groove is arranged towards the front end opening of the joint pipe section, and an internal thread is arranged on the inner wall of the joint groove.
3. A connection device for a central venous catheter and a drainage bag according to claim 1, characterised in that: one of the upper connectors is a plug-in connector which is matched and connected with a 6% luer inner cone lug-free connector at the tail end of the central venous catheter, the plug-in connector comprises a plug-in pipe section of which the rear end is connected with the branch catheter, and an annular limiting flange is arranged at the rear part of the plug-in pipe section around the plug-in pipe section in a circle.
4. A connection device for a central venous catheter and a drainage bag according to claim 1, characterised in that: one of the upper connectors is a screwing connector which is matched and connected with a lug connector of a 6% luer outer cone at the tail end of the central venous catheter, the screwing connector comprises a screwing pipe section of which the rear end is connected with the branch catheter, a screwing sleeve is arranged at the front end of the screwing pipe section, and internal threads are arranged on the inner wall of the screwing sleeve.
5. A connection device for a central venous catheter and a drainage bag according to claim 1, characterised in that: the lower adapter comprises a sleeve pipe, the rear end of the sleeve pipe is communicated with the main catheter, the inner cavity of the sleeve pipe is gradually contracted from front to back to form a conical butt joint cavity, and the taper of the butt joint cavity is in taper fit with the outer cone adapter of the drainage bag.
6. A connection device for a central venous catheter and a drainage bag according to claim 1, characterised in that: the outer peripheral wall of the lower part of the sleeve pipe is provided with an anti-skid thread to form a handheld part.
7. A connection device for a central venous catheter and a drainage bag according to claim 1, characterised in that: the main duct is provided with a liquid stopping clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477971.6U CN211751353U (en) | 2019-12-31 | 2019-12-31 | Connecting device for central venous catheter and drainage bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477971.6U CN211751353U (en) | 2019-12-31 | 2019-12-31 | Connecting device for central venous catheter and drainage bag |
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| Publication Number | Publication Date |
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| CN211751353U true CN211751353U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477971.6U Active CN211751353U (en) | 2019-12-31 | 2019-12-31 | Connecting device for central venous catheter and drainage bag |
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| CN (1) | CN211751353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006713A (en) * | 2022-05-31 | 2022-09-06 | 苏州市第九人民医院 | Quick connection exchanger between pericardial catheter and drainage bag |
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2019
- 2019-12-31 CN CN201922477971.6U patent/CN211751353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115006713A (en) * | 2022-05-31 | 2022-09-06 | 苏州市第九人民医院 | Quick connection exchanger between pericardial catheter and drainage bag |
| CN115006713B (en) * | 2022-05-31 | 2023-09-29 | 苏州市第九人民医院 | Quick connection exchanger between pericardium placement tube and drainage bag |
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