CN215134246U - Improved closed thoracic drainage device - Google Patents
Improved closed thoracic drainage device Download PDFInfo
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- CN215134246U CN215134246U CN202120650983.9U CN202120650983U CN215134246U CN 215134246 U CN215134246 U CN 215134246U CN 202120650983 U CN202120650983 U CN 202120650983U CN 215134246 U CN215134246 U CN 215134246U
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- Prior art keywords
- drainage
- tube
- connecting pipe
- connection
- bag
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- 210000000115 thoracic cavity Anatomy 0.000 title claims description 28
- 230000006872 improvement Effects 0.000 claims abstract description 9
- 210000000038 chest Anatomy 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 3
- 230000036541 health Effects 0.000 abstract description 2
- 230000000151 anti-reflux effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 208000002151 Pleural effusion Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 201000003144 pneumothorax Diseases 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010014568 Empyema Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 201000010098 pleural tuberculosis Diseases 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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Abstract
The utility model discloses an improvement thorax closed drainage device, improvement thorax closed drainage device includes central venous drainage pipe, drainage bag drainage tube and connection cock, the connection cock includes first connecting pipe, the second connecting pipe, first spacing drum and the spacing drum of second are located first connecting pipe and second connecting pipe middle part periphery and are linked to each other with first connecting pipe and second connecting pipe respectively to first spacing drum and second connecting pipe respectively cover, central venous drainage pipe's one end is provided with and is used for the joint in the interior drainage pipe tube head of week of first spacing drum. The utility model discloses improvement thorax closed drainage device is provided with central venous drainage pipe, drainage bag drainage tube and connection cock, and connection cock can connect central venous drainage pipe and drainage bag drainage tube firmly respectively, connects convenient and fast, and health nature is good.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to improvement thorax closed drainage device.
Background
Pleural effusion and pneumothorax are common diseases in respiratory medicine, and thoracocentesis and closed thoracic drainage are conventional internal medicine clinical diagnosis and treatment methods for the diseases. In recent years, the use of disposable central venous catheters in pleural effusion and pneumothorax catheterization has become very common. However, the disposable central venous catheterization package lacks a connecting device for the central venous catheter and the anti-backflow drainage bag drainage tube during use, and a sterilized rubber tube is often used for connecting the central venous catheter and the anti-backflow drainage bag drainage tube during clinical work, so that the use is very inconvenient, and the pollution is easy. How to design a new improved closed thoracic drainage device which can conveniently and sanitarily connect a central venous catheter and an anti-reflux drainage bag drainage tube is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an improved thoracic closed drainage device to solve the problem that the central venous catheter and the drainage tube of the anti-reflux drainage bag are inconvenient to connect when the existing central venous catheter is packed for use.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an improved closed thoracic drainage device, which comprises a central venous drainage catheter, a drainage bag drainage tube and a connection cock, wherein the connection cock comprises a first connection tube, a second connection tube, a first limit cylinder and a second limit cylinder, the first limit cylinder and the second limit cylinder are respectively sleeved on the middle periphery of the first connection tube and the second connection tube and are respectively connected with the first connection tube and the second connection tube, one end of the central venous drainage catheter is provided with a drainage catheter tube head for being clamped on the inner periphery of the first limit cylinder, the first open end of the first connection tube is exposed outside the first limit cylinder to be inserted inside the drainage catheter tube head, one end of the drainage bag drainage tube is provided with a drainage bag drainage tube head for being clamped on the inner periphery of the second limit cylinder, the second open end of the second connecting pipe is exposed outside the second limiting cylinder to be inserted into the tube head of the drainage bag drainage tube.
Further, the connection cock further comprises a cock body, a rotation button, a side tube and a connecting cylinder, wherein the cock body is rotatably arranged in the connecting cylinder, the connecting cylinder is communicated with the side tube, the first connecting tube and the second connecting tube, a T-shaped communication channel is arranged in the cock body, the communication channel is provided with three openings for communicating the side tube, the first connecting tube and the second connecting tube, and the rotation button is connected with the cock body to enable the cock body to rotate.
Further, the first opening end of the first connecting pipe is provided with an external thread, and the head of the drainage catheter is provided with an internal thread; the second connecting pipe the second open end is provided with the external screw thread, drainage bag drainage tube head is provided with the internal thread.
Furthermore, an inner convex grain path clamped on the outer surface of the tube head of the drainage catheter is formed inwards on the inner wall of the first limiting cylinder; the inner wall of the second limiting cylinder is inwards provided with inner convex grains which are clamped on the outer surface of the tube head of the drainage bag drainage tube.
Further, the improved closed thoracic drainage device further comprises an anti-backflow drainage bag, and a liquid inlet of the anti-backflow drainage bag is connected with the other end of the drainage tube of the drainage bag in a sealing and communicating manner.
Further, the outer diameter of the second open end of the second connecting pipe is 4.5 mm.
Further, the diameter of the drainage bag drainage tube head is gradually reduced from one end connected with the drainage bag drainage tube to one end connected with the second opening end; the diameter of the tube head of the drainage catheter is sequentially increased from one end connected with the central venous drainage catheter to the first opening end.
The utility model has the advantages of as follows:
the utility model discloses improvement thorax closed drainage device is provided with central venous drainage pipe, drainage bag drainage tube and connection cock, and connection cock can connect central venous drainage pipe and drainage bag drainage tube respectively firmly, connects convenient and fast, and firm in connection, health nature are good, the difficult pollution.
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. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural view of an improved closed thoracic drainage device provided by the present invention;
in the figure:
1. a central venous drainage catheter; 2. an anti-reflux drainage bag; 3. a drainage bag drainage tube; 4. connecting a cock; 11. a drainage catheter tip; 31. a drainage tube head of the drainage bag; 41. a first connecting pipe; 42. a first limiting cylinder; 43. a first open end; 44. a second open end; 45. rotating the button; 46. a side tube; 47. a second connecting pipe; 48. a connecting cylinder; 49. a second limiting cylinder.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The embodiment provides an improved closed thoracic drainage device, as shown in fig. 1, the improved closed thoracic drainage device includes a central venous drainage catheter 1, a drainage bag drainage tube 3 and a connection cock 4, the connection cock 4 includes a first connection tube 41, a second connection tube 47, a first limit cylinder 42 and a second limit cylinder 49, the first limit cylinder 42 and the second limit cylinder 49 are respectively sleeved on the middle periphery of the first connection tube 41 and the second connection tube 47 and are respectively connected with the first connection tube 41 and the second connection tube 47, one end of the central venous drainage catheter 1 is provided with a drainage catheter tube head 11 for being clamped on the inner periphery of the first limit cylinder 42, a first open end 43 of the first connection tube 41 is exposed outside the first limit cylinder 42 for being inserted inside the drainage catheter tube head 11, one end of the drainage bag drainage tube 3 is provided with a drainage bag drainage tube head for being clamped on the inner periphery of the second limit cylinder 49 The second open end 44 of the second connecting tube 47 is exposed outside the second limiting cylinder 49 to be inserted into the drainage tube head 31 of the drainage bag.
In the modified closed thoracic drainage device of this embodiment, the other open end of the first connection tube 41 is in fluid communication with the other open end of the second connection tube 47; the first limiting cylinder 42 and the second limiting cylinder 49 are respectively connected with the first connecting pipe 41 and the second connecting pipe 47 with the opening facing outwards, the first opening end 43 of the first connecting pipe 41 is exposed outside the first limiting cylinder 42, and the second opening end 44 of the second connecting pipe 47 is exposed outside the second limiting cylinder 49, so that the drainage catheter tube head 11 and the drainage bag drainage tube head 31 can be conveniently connected. Not only the connection process is convenient, and drainage catheter tube head 11 pegs graft outside first open end 43, and drainage catheter tube head 11 joint is in first spacing drum 42 internal week simultaneously, and drainage bag drainage tube head 31 pegs graft outside second open end 44, and drainage bag drainage tube head 31 joint is in second spacing drum 49 internal week simultaneously, and drainage catheter tube head 11 and connect between cock 4, drainage bag drainage tube head 31 and connect between cock 4 to be connected firmly, effectively avoid taking place to drop.
In a word, the improved closed thoracic drainage device of the embodiment can conveniently and quickly connect the drainage catheter tube head 11 and the drainage bag drainage tube head 31 through the connecting cock 4 so as to communicate the central venous drainage catheter 1 and the drainage bag drainage tube head 31, and the connection process is convenient and quick; the improved closed thoracic drainage device is preferably disposable, and has good sanitation.
Example 2
The improved thoracic closed drainage device according to embodiment 1, as shown in fig. 1, the connection cock 4 further includes a cock body rotatably disposed in the connection cylinder 48, a rotation button 45, a side tube 46, and a connection cylinder 48, the connection cylinder 48 communicating the side tube 46, the first connection tube 41, and the second connection tube 47, the cock body having a T-shaped communication passage therein, the communication passage having three openings for communicating the side tube 46, the first connection tube 41, and the second connection tube 47, the rotation button 45 being connected to the cock body to rotate the cock body.
In the improved closed thoracic drainage device of this embodiment, the rotary button 45 may be provided with three mutually perpendicular knobs, only one 90 ° direction without knobs; rotating the rotary button 45 to make the side without the knob face the side tube 46, at this time, the first connecting tube 41 and the second connecting tube 47 are communicated (the side tube 46 is not communicated with the first connecting tube 41 or the second connecting tube 47), that is, the central venous drainage catheter 1 connected to the two is communicated with the drainage bag 3, so as to normally perform thoracic drainage; it is rotatory rotary button 45 makes three knob respectively towards first connecting pipe 41, second connecting pipe 47 and side pipe 46, and first connecting pipe 41, second connecting pipe 47 and side pipe 46 all communicate this moment, and a drainage bag drainage tube 3 can be reconnected to side pipe 46, perhaps connects other liquid medicines that are used for the mediation or disinfection, can administer or wash the thorax, has brought very big convenience to the treatment of patients such as tuberculous pleuritis, empyema.
The connecting cock 4 of this embodiment can exert the three-way valve function well, can conveniently rotate the turn button 45 so that central venous drainage catheter 1 is linked together with drainage bag drainage tube 3, and structural design is scientific, and convenient to use is swift.
Example 3
The improved closed thoracic drainage device as set forth in embodiment 2, wherein the first open end 43 of the first connecting tube 41 is provided with an external thread and the drainage catheter tip 11 is provided with an internal thread;
the second open end 44 of the second connection pipe 47 is provided with external threads, and the drainage bag drainage tube head 31 is provided with internal threads.
The improved closed thoracic drainage device of the embodiment is a preferred embodiment, the connection between the tube head 11 of the drainage catheter and the first opening end 43 and between the tube head 31 of the drainage bag drainage tube and the second opening end 44 is more stable, the central venous drainage catheter 1 or the drainage bag drainage tube 3 can be further prevented from being separated, and the improved closed thoracic drainage device can more stably connect the central venous drainage catheter 1 and the drainage bag drainage tube 3.
Example 4
As shown in fig. 1, the inner wall of the first limiting cylinder 42 is formed with an inward convex vein for clipping the outer surface of the head 11 of the drainage catheter; the inner wall of the second limiting cylinder 49 is inwards provided with inner convex grains which are clamped on the outer surface of the drainage bag drainage tube head 31. The inner raised grain may be an annular grain.
Furthermore, when the drainage catheter tube head 11 is connected with the first opening end 43, the first limiting cylinder 42 is further connected with the drainage catheter tube head 11 in a clamping mode through the inner convex grains of the inner wall, when the drainage bag drainage tube head 31 is connected with the second opening end 44, the second limiting cylinder 49 is further connected with the drainage bag drainage tube head 31 in a clamping mode through the inner convex grains of the inner wall, in a word, the central venous drainage catheter 1, the drainage bag drainage tube 3 and the connecting cock 4 are connected more stably, and the central venous drainage catheter 1 and the drainage bag drainage tube 3 are effectively prevented from falling off.
Example 5
The improved closed thoracic drainage device in embodiment 4, as shown in fig. 1, further includes an anti-backflow drainage bag 2, and a liquid inlet of the anti-backflow drainage bag 2 is connected to the other end of the drainage tube 3 of the drainage bag in a sealing and communicating manner. Through setting up anti drainage bag 2 that backflows can seal the liquid that flows in through drainage bag drainage tube 3 well and make ground collection, collect convenient and fast.
Example 6
The improved closed thoracic drainage device as set forth in example 5, as shown in fig. 1, the second opening end 44 of the second connection tube 47 has an outer diameter of 4.5 mm. Thus being well matched and connected with the tube head of the drainage tube of the conventional drainage bag.
Example 7
The improved closed thoracic drainage device as described in example 1, as shown in fig. 1, the diameter of the drainage bag tube head 31 is gradually reduced from the end connected to the drainage bag tube 3 to the end connected to the second open end 44; the diameter of the drainage catheter tube head 11 is increased from the end connected with the central venous drainage catheter 1 to the end connected with the first opening end 43 in sequence. Thus, the drainage bag tube head 31 and the second opening end 44, and the drainage tube head 11 and the first opening end 43 can be stably connected in a clamping manner.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides an improvement thorax closed drainage device, characterized in that, improvement thorax closed drainage device includes central venous drainage pipe (1), drainage bag drainage tube (3) and connection cock (4), connection cock (4) include first connecting pipe (41), second connecting pipe (47), first spacing drum (42) and the spacing drum of second (49) overlap respectively locate first connecting pipe (41) with second connecting pipe (47) middle part periphery and respectively with first connecting pipe (41) with second connecting pipe (47) link to each other, the one end of central venous drainage pipe (1) is provided with be used for the joint in drainage pipe tube head (11) of first spacing drum (42) internal periphery, first open end (43) of first connecting pipe (41) expose outside first spacing drum (42) in order to peg graft in drainage pipe head (11) interior And the drainage bag drainage tube head (31) is arranged at one end of the drainage bag drainage tube (3) and is used for being clamped in the drainage bag drainage tube head (31) on the inner periphery of the second limiting cylinder (49), and the second opening end (44) of the second connecting pipe (47) is exposed outside the second limiting cylinder (49) and is inserted in the drainage bag drainage tube head (31).
2. The improved closed thoracic drainage device as set forth in claim 1, wherein the connection cock (4) further includes a cock body rotatably disposed in the connection cylinder (48), a rotation button (45), a side tube (46), and a connection cylinder (48), the connection cylinder (48) communicating the side tube (46), the first connection tube (41), and the second connection tube (47), the cock body having a T-shaped communication passage therein having three openings for communicating the side tube (46), the first connection tube (41), and the second connection tube (47), the rotation button (45) being connected to the cock body to rotate the cock body.
3. The improved closed thoracic drainage device of claim 2, wherein the first open end (43) of the first connection tube (41) is externally threaded and the drainage catheter tip (11) is internally threaded;
the second opening end (44) of the second connecting pipe (47) is provided with external threads, and the drainage bag drainage pipe head (31) is provided with internal threads.
4. The improved closed thoracic drainage device as claimed in claim 1 or 3, wherein the inner wall of the first limiting cylinder (42) is formed with an inner convex pattern for clipping the outer surface of the head (11) of the drainage catheter; the inner wall of the second limiting cylinder (49) is inwards provided with inner convex grains which are clamped on the outer surface of the drainage bag drainage tube head (31).
5. The improved closed thoracic drainage device of claim 4, further comprising an anti-backflow drainage bag (2), wherein the liquid inlet of the anti-backflow drainage bag (2) is connected with the other end of the drainage bag (3) in a sealing and communicating manner.
6. The improved closed thoracic drainage device of claim 5, wherein the second open end (44) of the second connecting tube (47) has an outer diameter of 4.5 mm.
7. The improved closed thoracic drainage device of claim 1, wherein the diameter of the drainage bag tube head (31) is gradually reduced from the end connected to the drainage bag tube (3) to the end connected to the second open end (44); the diameter of the drainage catheter tube head (11) is increased in sequence from one end connected with the central venous drainage catheter (1) to the first opening end (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120650983.9U CN215134246U (en) | 2021-03-30 | 2021-03-30 | Improved closed thoracic drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120650983.9U CN215134246U (en) | 2021-03-30 | 2021-03-30 | Improved closed thoracic drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215134246U true CN215134246U (en) | 2021-12-14 |
Family
ID=79354389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120650983.9U Expired - Fee Related CN215134246U (en) | 2021-03-30 | 2021-03-30 | Improved closed thoracic drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215134246U (en) |
-
2021
- 2021-03-30 CN CN202120650983.9U patent/CN215134246U/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: 20211214 |