Closed thoracic cavity negative pressure drainage device
By introducing a threaded rod and threaded block system driven by a transmission motor into the closed drainage device, the position of the expansion bottle is adjusted to expand the drainage volume, and the drainage tube is quickly cleaned by disassemblying the assembly, the problem of difficulty in fixing and cleaning the drainage volume in the existing device is solved, and the practicality and operational convenience of the device are improved.
Patent Information
- Application Number
- CN202420852107.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing closed-type drainage device structure of the chest cavity leads to fixed volume of the drainage bottle, poor practicality, and troublesome cleaning of the drainage tube.
A closed chest negative pressure drainage device is designed, which drives the threaded rod and thread block to lift and lower through the transmission motor, drives the expansion bottle to adjust the drainage volume, and quickly cleans up by disassembling the components.
The adjustment of the drainage volume in the drainage bottle is realized, the practicality of the device is improved, and the cleaning process of the drainage tube is simplified through rapid disassembly and cleaning.
Smart Images

Figure CN222623420U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of negative pressure drainage, in particular to a closed chest cavity negative pressure drainage device. Background Art
[0002] A closed chest drainage bottle is a commonly used medical device that drains fluid and gas from the chest cavity out of the body. The prior art closed chest drainage device only has one drainage bottle, and a closed chest drainage tube directly connects the patient and the drainage bottle.
[0003] The prior art has the following problems:
[0004] 1. The drainage bottle of the traditional negative pressure drainage device can only accommodate a fixed volume of pleural effusion, resulting in the practicability of the device cannot be guaranteed.
[0005] 2. The drainage tube of the traditional negative pressure drainage device structure needs to be cleaned frequently, but the drainage device is generally an integrated structure, which makes it more troublesome to clean the drainage tube. Utility Model Content
[0006] In view of the deficiencies in the prior art, the utility model provides a closed chest negative pressure drainage device, which solves the problems raised in the background technology.
[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0008] A closed chest negative pressure drainage device comprises a drainage bottle, one side of the drainage bottle is fixedly connected to a connecting seat, the top of the connecting seat is fixedly connected to an expansion component, the top of the drainage bottle is fixedly connected to a negative pressure port, and one side of the negative pressure port is fixedly connected to a disassembly component, characterized in that: the top of the connecting seat is fixedly connected to a transmission motor, one end of the transmission motor is transmission-connected to a threaded rod, the surface of the threaded rod is threadedly connected to a threaded block, the top of the threaded block is fixedly connected to a connecting sealing ring, the surface of the connecting sealing ring is fixedly connected to an expansion bottle, one side of the expansion bottle is fixedly connected to a connecting block, and the inside of the connecting block is slidably connected to a guide rod.
[0009] Preferably, the disassembly and assembly assembly includes a connecting cover, a drainage tube, a fixed sealing ring, a threaded groove, a mounting block and a drainage port; the top of the drainage bottle is fixedly connected to the drainage port, the interior of the drainage port is movably connected to the drainage tube, the surface of the drainage tube is fixedly connected to the connecting cover, the inner wall of the connecting cover is fixedly connected to the threaded groove, and the surface of the threaded groove is mounted and connected to the mounting block.
[0010] Preferably, the transmission motor, the threaded rod and the threaded block are located on the same vertical line, the diameter of the threaded block is larger than the diameter of the transmission motor, and the diameter of the transmission motor is larger than the diameter of the threaded rod.
[0011] Preferably, the size of the connecting block is matched with the size of the guide rod, and the expansion bottle is slidably connected to the inner wall of the drainage bottle via the connecting block.
[0012] Preferably, the number of the connection blocks is two groups, the connection blocks are located on the same center of a circle, and the connection blocks are distributed on the surface of the expansion bottle at equal angles.
[0013] Preferably, the size of the thread groove is matched with the size of the mounting block, and the connecting cover is installed and connected with the drainage port through the thread groove.
[0014] Preferably, the connection cover, the drainage tube and the drainage port are located on the same vertical line, the diameter of the connection cover is larger than the diameter of the drainage port, and the diameter of the drainage port is larger than the diameter of the drainage tube.
[0015] Compared with the prior art, the utility model provides a closed chest negative pressure drainage device, which has the following beneficial effects:
[0016] 1. This closed chest negative pressure drainage device drives the threaded rod to rotate through a transmission motor, and the rotation of the threaded rod drives the threaded block to rise and fall. At the same time, the threaded block drives the expansion bottle to rise and fall along the direction of the guide rod, thereby ensuring that the drainage volume in the drainage bottle can be expanded by adjusting the position of the expansion bottle. A connecting sealing ring is provided to ensure that the accumulated fluid in the expansion bottle will not leak out, thereby ensuring the practicality of the device.
[0017] 2. This closed chest negative pressure drainage device, by rotating the connecting cover, the connecting cover is separated from the surface of the drainage port through the threaded groove, and at the same time, the connecting cover drives the drainage tube to slide in the drainage port and separate from the inside of the drainage bottle. At this time, the drainage tube can be quickly cleaned after the drainage tube and the drainage bottle are disassembled. At the same time, a fixed sealing ring is provided to ensure the air tightness of the drainage tube after installation, thereby ensuring the normal operation of the drainage device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the internal structure of the drainage bottle of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the connection cover and the drainage tube of the utility model;
[0021] Figure 4 It is a schematic diagram of the structure of the connection cover and the drainage port of the utility model.
[0022] In the figure: 1. drainage bottle; 2. connecting seat; 3. expansion component; 31. transmission motor; 32. threaded rod; 33. threaded block; 34. connecting sealing ring; 35. expansion bottle; 36. connecting block; 37. guide rod; 4. disassembly and assembly component; 41. connecting cover; 42. drainage tube; 43. fixed sealing ring; 44. threaded groove; 45. mounting block; 46. drainage port; 5. negative pressure port. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-4 In this embodiment: a closed chest negative pressure drainage device comprises a drainage bottle 1, a connection seat 2 is fixedly connected to one side of the drainage bottle 1, an expansion assembly 3 is fixedly connected to the top of the connection seat 2, a negative pressure port 5 is fixedly connected to the top of the drainage bottle 1, a disassembly assembly 4 is fixedly connected to one side of the negative pressure port 5, a transmission motor 31 is fixedly connected to the top of the connection seat 2, a threaded rod 32 is transmission-connected to one end of the transmission motor 31, a threaded block 33 is threadedly connected to the surface of the threaded rod 32, a connection sealing ring 34 is fixedly connected to the top of the threaded block 33, an expansion bottle 35 is fixedly connected to the surface of the connection sealing ring 34, a connection block 36 is fixedly connected to one side of the expansion bottle 35, and a guide rod 37 is slidably connected to the inside of the connection block 36. By setting the expansion assembly 3, it is ensured that the drainage volume in the drainage bottle 1 can be expanded by adjusting the position of the expansion bottle 35.
[0025] In this embodiment, the disassembly assembly 4 includes a connection cover 41, a drainage tube 42, a fixed sealing ring 43, a threaded groove 44, a mounting block 45 and a drainage port 46. The top of the drainage bottle 1 is fixedly connected with the drainage port 46, the drainage tube 42 is movably connected inside the drainage port 46, the surface of the drainage tube 42 is fixedly connected with the connection cover 41, the inner wall of the connection cover 41 is fixedly connected with the threaded groove 44, and the surface of the threaded groove 44 is mounted with the mounting block 45. By providing the disassembly assembly 4, it is ensured that the drainage tube 42 can be quickly cleaned after being disassembled from the drainage bottle 1.
[0026] The transmission motor 31, the threaded rod 32 and the threaded block 33 are located on the same vertical line, the diameter of the threaded block 33 is larger than the diameter of the transmission motor 31, and the diameter of the transmission motor 31 is larger than the diameter of the threaded rod 32. It is ensured that the transmission motor 31 drives the threaded rod 32 to rotate, and the rotation of the threaded rod 32 drives the threaded block 33 to rise and fall.
[0027] The size of the connecting block 36 matches the size of the guide rod 37, and the expansion bottle 35 is slidably connected to the inner wall of the drainage bottle 1 through the connecting block 36, thereby ensuring that the expansion bottle 35 can adjust its own height.
[0028] There are two groups of connecting blocks 36, which are located on the same center of a circle and are distributed at equal angles on the surface of the expansion bottle 35, thereby ensuring the stability of the expansion bottle 35 when it is lifted or lowered.
[0029] The size of the thread groove 44 matches the size of the mounting block 45, and the connection cover 41 is installed and connected with the drainage port 46 through the thread groove 44, thereby ensuring the normal disassembly and assembly of the connection cover 41.
[0030] The connection cover 41, the drainage tube 42 and the drainage port 46 are located on the same vertical line, the diameter of the connection cover 41 is larger than the diameter of the drainage port 46, and the diameter of the drainage port 46 is larger than the diameter of the drainage tube 42, thus ensuring the normal operation of the drainage tube 42.
[0031] The working principle and use process of the utility model: The utility model is a closed chest negative pressure drainage device. When the volume of the drainage bottle 1 needs to be expanded during use, the transmission motor 31 drives the threaded rod 32 to rotate, and the threaded rod 32 rotates to drive the threaded block 33 to rise and fall. At the same time, the threaded block 33 drives the expansion bottle 35 to rise and fall along the direction of the guide rod 37, ensuring that the drainage volume in the drainage bottle 1 can be expanded by adjusting the position of the expansion bottle 35. A connecting sealing ring 34 is provided to ensure that the expansion bottle 35 The accumulated fluid will not leak out, ensuring the practicality of the device. At the same time, when the drainage tube 42 needs to be disassembled and cleaned, the connecting cover 41 is rotated, and the connecting cover 41 is separated from the surface of the drainage port 46 through the threaded groove 44. At the same time, the connecting cover 41 drives the drainage tube 42 to slide in the drainage port 46 and separate from the interior of the drainage bottle 1. At this time, the drainage tube 42 can be quickly cleaned after being disassembled from the drainage bottle 1. At the same time, the fixed sealing ring 43 is provided to ensure the airtightness of the drainage tube 42 after installation, thereby ensuring the normal operation of the drainage device.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A closed chest negative pressure drainage device, comprising a drainage bottle (1), one side of the drainage bottle (1) is fixedly connected to a connection seat (2), the top of the connection seat (2) is fixedly connected to an expansion component (3), the top of the drainage bottle (1) is fixedly connected to a negative pressure port (5), one side of the negative pressure port (5) is fixedly connected to a disassembly component (4), characterized in that: The top end of the connecting seat (2) is fixedly connected to a transmission motor (31), one end of the transmission motor (31) is transmission-connected to a threaded rod (32), the surface of the threaded rod (32) is threadedly connected to a threaded block (33), the top end of the threaded block (33) is fixedly connected to a connection sealing ring (34), the surface of the connection sealing ring (34) is fixedly connected to an expansion bottle (35), one side of the expansion bottle (35) is fixedly connected to a connection block (36), and the interior of the connection block (36) is slidably connected to a guide rod (37).
2. A closed chest negative pressure drainage device according to claim 1, characterized in that: The disassembly assembly (4) comprises a connection cover (41), a drainage tube (42), a fixed sealing ring (43), a threaded groove (44), a mounting block (45) and a drainage port (46); the top of the drainage bottle (1) is fixedly connected to the drainage port (46); the interior of the drainage port (46) is movably connected to the drainage tube (42); the surface of the drainage tube (42) is fixedly connected to the connection cover (41); the inner wall of the connection cover (41) is fixedly connected to the threaded groove (44); and the surface of the threaded groove (44) is mounted and connected to the mounting block (45).
3. A closed chest negative pressure drainage device according to claim 1, characterized in that: The transmission motor (31), the threaded rod (32) and the threaded block (33) are located on the same vertical line; the diameter of the threaded block (33) is greater than the diameter of the transmission motor (31); and the diameter of the transmission motor (31) is greater than the diameter of the threaded rod (32).
4. A closed chest negative pressure drainage device according to claim 1, characterized in that: The size of the connecting block (36) matches the size of the guide rod (37), and the expansion bottle (35) is slidably connected to the inner wall of the drainage bottle (1) via the connecting block (36).
5. A closed chest negative pressure drainage device according to claim 1, characterized in that: The number of the connection blocks (36) is two groups, the positions of the connection blocks (36) are located on the same center of a circle, and the connection blocks (36) are distributed at equal angles on the surface of the expansion bottle (35).
6. A closed chest negative pressure drainage device according to claim 2, characterized in that: The size of the thread groove (44) matches the size of the mounting block (45), and the connection cover (41) is mounted and connected to the drainage port (46) via the thread groove (44).
7. A closed chest negative pressure drainage device according to claim 2, characterized in that: The connection cover (41), the drainage tube (42) and the drainage port (46) are located on the same vertical line; the diameter of the connection cover (41) is larger than the diameter of the drainage port (46); and the diameter of the drainage port (46) is larger than the diameter of the drainage tube (42).