CN215308834U - Adapter for central venous catheter and drainage bag - Google Patents
Adapter for central venous catheter and drainage bag Download PDFInfo
- Publication number
- CN215308834U CN215308834U CN202121033399.5U CN202121033399U CN215308834U CN 215308834 U CN215308834 U CN 215308834U CN 202121033399 U CN202121033399 U CN 202121033399U CN 215308834 U CN215308834 U CN 215308834U
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- Prior art keywords
- adapter
- round hole
- drainage bag
- central venous
- venous catheter
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- 238000000034 method Methods 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 9
- 238000005086 pumping Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 208000002151 Pleural effusion Diseases 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 201000003144 pneumothorax Diseases 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model discloses a conversion joint of a central venous catheter and a drainage bag, which is characterized by comprising the following components: the fixing sleeve, the adapter sleeve, the support frame, the spring and the connecting frame; the utility model can be used for connecting the extension tube of the drainage bag to the central venous catheter without fixing in other modes, has simple operation and convenient use, and simultaneously always ensures that the inside of the adapter is isolated from the outside in the process of connecting and removing the extension tube of the drainage bag, and the adapter can be connected to the central venous catheter for a long time so as to carry out the next operation.
Description
Technical Field
The utility model belongs to the field of medical equipment, and particularly relates to a conversion joint of a central venous catheter and a drainage bag.
Background
The liquid pumping takes an important position in the treatment process of pleural effusion patients, can relieve the pressure on the lung, the heart and the blood vessels, improve the respiration, prevent the lung function from being damaged, and is beneficial to the restitution of the compressed lung; the traditional method comprises the following steps: after the use of the disposable infusion, the patient needs to puncture again when the infusion is taken again, so that the method not only increases the pain of the patient, but also increases the chance of infection and the workload of medical staff; in order to facilitate the operation and relieve the pain of the patient caused by frequent puncture, and simultaneously in order to reduce the chance of infection, a thoracic indwelling central venous catheter can be used, and the method is widely applied to clinic;
however, how to connect the joint of the central venous catheter with the drainage bag by adopting a simpler and more convenient method is that most of the method uses 1ml syringe to remove the piston, uses sterile scissors to cut off half of the syringe, the nipple end is connected with one end of the heparin cap of the central venous catheter, then uses 1 tourniquet with the length of 4-5 cm to sterilize and then connects the syringe end which is cut off with the conical interface of the drainage bag, and then uses cloth adhesive tape to wind and fix, but the method has complicated steps and has the danger of pneumothorax caused by the falling off of the joint; in the operation process, the central venous catheter can not be always isolated from the outside;
consequently, a crossover sub of central venous catheter and drainage bag can be used to be used for the extension union coupling of drainage bag to central venous catheter, need not use other modes to fix, easy operation, and convenient to use simultaneously is leading in the connection and is torn open the in-process that flows bag extension pipe, guarantees all the time that the adapter is inside to be in isolated state with the external world, and crossover sub can connect on central venous catheter for a long time to carry out next operation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switching joint of a central venous catheter and a drainage bag, which can be used for connecting an extension tube of the drainage bag to the central venous catheter without fixing in other modes, is simple to operate and convenient to use, and can always ensure that the inside of the switching joint is isolated from the outside in the process of connecting and removing the extension tube of the drainage bag, and the switching joint can be connected to the central venous catheter for a long time so as to carry out the next operation.
In order to achieve the technical purpose, the utility model adopts the technical scheme that the adapter for the central venous catheter and the drainage bag comprises: the fixing sleeve, the adapter sleeve, the support frame, the spring and the connecting frame; the lower end of the fixed sleeve is in threaded connection with the upper end of the adapter sleeve, the support frame and the connecting frame are arranged in an inner circular hole of the adapter sleeve, and the spring is arranged between the support frame and the connecting frame;
further, a first round hole penetrates through the fixed sleeve from top to bottom, and a first internal thread is arranged on the inner wall of the lower end of the first round hole;
furthermore, an external thread is arranged on the outer side wall of the upper end of the adapter sleeve, the outer diameter of the external thread is consistent with the inner diameter of the first internal thread on the fixing sleeve, the adapter sleeve penetrates through the second round hole from top to bottom, a third round hole with the inner diameter larger than that of the second round hole is arranged in the middle of the second round hole, and a second internal thread is arranged on the inner wall of the lower end of the second round hole;
furthermore, the support frame comprises a support column, a circular plate, a cylinder and a clamp; three supporting columns are uniformly distributed at the edge of the upper end face of the circular plate, the center of the lower end face of the circular plate is connected with the upper end of a cylinder, the lower end of the cylinder penetrates through a round hole in the center of the connecting frame and then is connected with a clamp, and the spring is sleeved on the outer side of the cylinder;
furthermore, a fourth round hole is arranged in the middle of the connecting frame, and three large fan-shaped holes are uniformly distributed around the fourth round hole; the outer side edge of the connecting frame is connected to the inner wall of the second round hole at the lower side position of the third round hole.
The utility model has the beneficial effects that:
1. the adapter of the central venous catheter and the drainage bag can be used for connecting the extension tube of the drainage bag to the central venous catheter, does not need to be fixed in other modes, and is simple to operate and convenient to use;
2. the adapter of the central venous catheter and the drainage bag always ensures that the inside of the adapter is isolated from the outside in the process of connecting and removing the extension tube of the drainage bag, and ensures that the inside of the central venous catheter is not polluted;
3. the adapter of the central venous catheter and the drainage bag can be connected to the central venous catheter for a long time so as to carry out the next operation, remove the connection drainage bag for carrying out the liquid extraction operation and carry out other treatment measures.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of a central venous catheter and drainage bag of the type 1;
FIG. 2 is a block diagram of a central venous catheter and drainage bag 2;
FIG. 3 is a cross-sectional view of a central venous catheter and drainage bag;
FIG. 4 is a block diagram of a central catheter and drainage bag support;
FIG. 5 is a block diagram of a central catheter and drainage bag connection;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a fixed sleeve, 101-a first round hole, 102-a first internal thread, 2-an adapter sleeve, 201-an external thread, 202-a second round hole, 203-a third round hole, 204-a second internal thread, 3-a support frame, 301-a circular plate, 302-a support column, 303-a cylinder, 304-a clip, 4-a spring, 5-a connecting frame, 501-a fourth round hole and 502-a fan-shaped hole.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments; 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.
Referring to fig. 1 to 5, a structure of an adapter for a central venous catheter and a drainage bag is characterized by comprising: the device comprises a fixed sleeve 1, a switching sleeve 2, a support frame 3, a spring 4 and a connecting frame 5; the lower end of the fixed sleeve 1 is in threaded connection with the upper end of the adapter sleeve 2, the support frame 3 and the connecting frame 5 are arranged in the second round hole 202 of the adapter sleeve 2, and the spring 4 is arranged between the support frame 3 and the connecting frame 5;
the fixing sleeve 1 penetrates through a first round hole 101 from top to bottom and is used for fixing an extension tube of the drainage bag; a first internal thread 102 is arranged on the inner wall of the lower end of the first round hole 101 and is used for connecting the upper end of the adapter sleeve 2;
the outer side wall of the upper end of the adapter sleeve 2 is provided with an external thread 201, the external diameter of the external thread 201 is consistent with the internal diameter of the first internal thread 102 on the fixed sleeve 1, the fixed sleeve 1 is conveniently connected, and an extension pipe is fixed; the adapter sleeve 2 penetrates through the second round hole 202 from top to bottom, a third round hole 203 with the inner diameter larger than that of the second round hole 202 is formed in the middle of the second round hole 202, and second internal threads 204 are formed in the inner wall of the lower end of the second round hole 202 and used for being connected with a connector of a central venous catheter;
the support frame 3 comprises a support column 301, a circular plate 302, a cylinder 303 and a clamp 304; three support columns 301 are uniformly distributed at the edge of the upper end face of the circular plate 302 and are used for supporting an extension pipe of the drainage bag and enabling the extension pipe to be communicated with the interior of the adapter sleeve 2 when the extension pipe is connected to the adapter sleeve 2; the center of the lower end face of the circular plate 302 is connected with the upper end of a cylinder 303, the lower end of the cylinder 303 passes through a fourth round hole 501 in the center of the connecting frame 5 and then is connected with a clamp 304, and the spring 4 is sleeved on the outer side of the cylinder 303; the circular plate 302 is used for isolating the inside of the adapter sleeve 2 from the outside when the extension pipe is not connected, the cylinder 303 is used for propping against the circular plate 302, and the clamp 304 is used for limiting the support frame; the spring 4 can rebound the support frame 3 to the original position after the extension tube of the drainage bag is pulled out;
a fourth round hole 501 is formed in the middle of the connecting frame 5 and is used for penetrating through the cylinder 303; three large fan-shaped holes 502 are uniformly distributed around the fourth round hole 501, so that the interior of the adapter sleeve 2 is communicated; the outer side edge of the connecting frame 5 is connected to the inner wall of the second round hole 202 of the adapter sleeve 2, and the position of the lower side of the third round hole 203 has a limiting effect on the support frame 3.
Example 1
The utility model is used as a conversion joint of a central venous catheter and a drainage bag, and has the following specific application: the lower end of the adapter sleeve 2 is connected to a connecting head of the central venous catheter in a threaded manner, an extension tube of the drainage bag penetrates through a first round hole 101 of the fixed sleeve 1 from top to bottom and is connected into a second round hole 202 at the upper end of the adapter sleeve 2, the fixed sleeve 1 is screwed to the upper end of the adapter sleeve 2, and after the connection of the central venous catheter and the extension tube of the drainage bag is completed, liquid pumping operation is carried out; when the drainage tube is connected to the switching sleeve 2, the fixed sleeve 1 can play a role in fixing the extension tube of the drainage bag, so that the adhesive tape fixing mode is omitted, and the process of fixing the extension tube of the drainage bag is simpler and more convenient.
Example 2
The utility model is used as a conversion joint of a central venous catheter and a drainage bag, and has the following specific application: the lower end of the adapter sleeve 2 is connected to a connecting head of the central venous catheter in a threaded manner, an extension tube of the drainage bag penetrates through a first round hole 101 of the fixed sleeve 1 from top to bottom and is connected into a second round hole 202 at the upper end of the adapter sleeve 2, the fixed sleeve 1 is screwed to the upper end of the adapter sleeve 2, and after the connection of the central venous catheter and the extension tube of the drainage bag is completed, liquid pumping operation is carried out; when the extension tube of the drainage bag is connected to the adapter sleeve 2, the front end of the extension tube can prop against the support column 301 and move downwards, so that the support frame 3 moves downwards, when the circular plate 302 moves to the position of the third round hole 203 in the adapter sleeve 2, the extension tube is communicated with the interior of the adapter sleeve 2, the extension tube is further communicated with the central venous catheter, and the liquid pumping operation is convenient; when the extension tube is pulled out after the liquid drawing operation is finished, the spring 4 rebounds the support frame 3 to the original position, so that the inside of the adapter sleeve 2 is isolated from the outside, and the central venous catheter is prevented from being polluted.
The operation principle and the specific use method are as follows:
firstly, the lower end of an adapter sleeve 2 is connected to a connector of a central venous catheter in a threaded manner, an extension tube of a drainage bag penetrates through a first round hole 101 of a fixed sleeve 1 from top to bottom and then is connected into a second round hole 202 at the upper end of the adapter sleeve 2, the fixed sleeve 1 is screwed to the upper end of the adapter sleeve 2, and after the central venous catheter is connected with the extension tube of the drainage bag, liquid pumping operation is carried out; then, when the extension tube of the drainage bag is connected to the adapter sleeve 2, the front end of the extension tube can prop against the support column 301 and move downwards, so that the support frame 3 moves downwards, when the circular plate 302 moves to the position of the third round hole 203 in the adapter sleeve 2, the extension tube is communicated with the interior of the adapter sleeve 2, and further the extension tube is communicated with the central venous catheter, so that the liquid pumping operation is convenient; finally, when the extension tube of the drainage bag needs to be pulled out after the operation is finished, the spring 4 rebounds the support frame 3 to the original position, so that the inside of the adapter sleeve 2 is isolated from the outside, and the central venous catheter is prevented from being polluted.
In conclusion, the adapter for the central venous catheter and the drainage bag can be used for connecting the extension tube of the drainage bag to the central venous catheter, does not need to be fixed in other ways, and is simple to operate and convenient to use;
2. the adapter of the central venous catheter and the drainage bag always ensures that the inside of the adapter is isolated from the outside in the process of connecting and removing the extension tube of the drainage bag, and ensures that the inside of the central venous catheter is not polluted;
3. the adapter of the central venous catheter and the drainage bag can be connected to the adapter of the central venous catheter for a long time so as to carry out the next operation, remove the connection drainage bag for carrying out the liquid extraction operation and carry out other treatment measures.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An adapter for a central venous catheter and a drainage bag, comprising: the fixing sleeve, the adapter sleeve, the support frame, the spring and the connecting frame; the lower end of the fixed sleeve is in threaded connection with the upper end of the adapter sleeve, the support frame and the connecting frame are arranged in an inner circular hole of the adapter sleeve, and the spring is arranged between the support frame and the connecting frame.
2. The adapter for a central venous catheter and a drainage bag as claimed in claim 1, wherein the fixing sleeve has a first circular hole extending therethrough from top to bottom, and the inner wall of the lower end of the first circular hole is provided with a first internal thread.
3. The adapter for a central venous catheter and a drainage bag according to claim 1, wherein an external thread is arranged on the outer side wall of the upper end of the adapter sleeve, the external diameter of the external thread is consistent with the internal diameter of the first internal thread on the fixing sleeve, the adapter sleeve penetrates through the second round hole from top to bottom, a third round hole with the internal diameter larger than that of the second round hole is arranged in the middle of the second round hole, and a second internal thread is arranged on the inner wall of the lower end of the second round hole.
4. The adapter for a central venous catheter and a drainage bag of claim 1, wherein the support frame comprises a post, a circular plate, a cylinder, a clip; three supporting columns are uniformly distributed at the edge of the upper end face of the circular plate, the center of the lower end face of the circular plate is connected with the upper end of the cylinder, the lower end of the cylinder penetrates through the round hole in the center of the connecting frame and then is connected with the clamp, and the spring is sleeved on the outer side of the cylinder.
5. The adapter for a central venous catheter and a drainage bag according to claim 1, wherein a fourth round hole is formed in the middle of the connecting frame, and three larger fan-shaped holes are uniformly distributed around the fourth round hole; the outer side edge of the connecting frame is connected to the inner wall of the second round hole at the lower side position of the third round hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121033399.5U CN215308834U (en) | 2021-05-14 | 2021-05-14 | Adapter for central venous catheter and drainage bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121033399.5U CN215308834U (en) | 2021-05-14 | 2021-05-14 | Adapter for central venous catheter and drainage bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215308834U true CN215308834U (en) | 2021-12-28 |
Family
ID=79546089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121033399.5U Expired - Fee Related CN215308834U (en) | 2021-05-14 | 2021-05-14 | Adapter for central venous catheter and drainage bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215308834U (en) |
-
2021
- 2021-05-14 CN CN202121033399.5U patent/CN215308834U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211228 |