Pester drainage and removal device
By designing a combination of syringe and rotating fixation components, the problem of unsecured aspiration devices for esophageal cancer patients with cervical anastomosis was solved, achieving a simplified structure and reduced cost for aspiration drainage.
Patent Information
- Application Number
- CN202520256827.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2035-02-18
AI Technical Summary
In the existing technology, the aspiration device for esophageal cancer patients with cervical anastomosis lacks a fixation device after tubing insertion, and the use of a pulse booster pump to extract physiological saline is costly and the device is complex.
A pus drainage and removal device was designed, comprising a syringe, a cleaning and drainage component, and a rotating fixation component. By combining a dual-channel cleaning component and a negative pressure drainage component, and using the rotating fixation component to fix the device in the neck, physiological saline can be extracted and pus can be drained.
It enables effective cleaning of esophageal anastomotic fistulas, prevents device detachment, reduces the cost of saline extraction, and simplifies the device structure.
Smart Images

Figure CN223615179U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical device technology, specifically to a pus drainage and removal device. Background Technology
[0002] In existing technologies, for the aspiration of pus from the cervical anastomosis in esophageal cancer patients, a guidewire is inserted through the nose into the abscess cavity, a drainage tube is introduced into the abscess cavity through the guidewire, the pus is aspirated, the drainage tube is fixed, and negative pressure suction is applied.
[0003] Among numerous existing technologies, Chinese patent application CN206151945U discloses an irrigation and drainage device for cervical anastomotic leakage after esophageal cancer surgery, comprising a double-layer tube, the double-layer tube including an inner tube and an outer tube, the front end of the outer tube being a closed end and tightly connected to the front end of the inner tube, the front end of the outer tube being flush with the front end of the inner tube, and multiple drainage holes evenly distributed on the tube wall near the front end of the outer tube; the rear end of the inner tube is connected to a medical saline bag via a pulse booster pump, and the rear end of the outer tube is connected to a waste liquid tank via a negative pressure suction device.
[0004] However, this patented technology does not include a fixation device for the tube after insertion into the human body, and the cost of using a pulse booster pump to extract saline solution is relatively high, and the device is quite complex.
[0005] Based on this, the present invention designs a pus drainage and removal device to solve the above problems. Utility Model Content
[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a pus drainage and removal device.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A pus drainage and removal device includes a syringe, a cleaning and drainage assembly for cleaning and draining pus, and a rotating fixing assembly for attaching and fixing the cleaning and drainage assembly.
[0009] The cleaning and drainage assembly includes a dual-channel cleaning assembly and a negative pressure drainage assembly; the dual-channel cleaning assembly is installed on the right side of the syringe, the negative pressure drainage assembly is installed on the right side of the dual-channel cleaning assembly, and the rotating fixing assembly is installed on the left side of the negative pressure drainage assembly.
[0010] Furthermore, the dual-channel cleaning assembly includes an inner tube, a connecting tube, and a one-way valve. The right end of the syringe's outlet tube is inserted into the left end of the inner tube and communicates with the inside of the inner tube. The connecting tube is fixedly installed on the top side of the syringe's outlet tube and communicates with it. There are two one-way valves: the left one-way valve is fixedly installed on the side wall of the connecting tube, and the right one-way valve is fixedly installed on the side wall of the syringe's outlet tube. The inner tube is connected to the negative pressure drainage assembly.
[0011] Furthermore, the one-way valve on the right side is positioned between the syringe outlet and the inner tube.
[0012] Furthermore, the negative pressure drainage assembly includes an outer tube, a balloon, a trachea, and a cap. The outer tube is fixedly connected to the outer wall of the inner tube. The bottom of the inner tube is inserted through the left side of the outer tube, and the bottom of the left side of the outer tube is closed to the bottom of the inner tube. There is a gap between the outer wall of the inner tube and the inner wall of the outer tube. The bottom of the right side of the outer tube is fixedly installed on the balloon. The trachea is fixedly installed on the upper part of the balloon and communicates with the inside of the balloon. The cap is threadedly connected to the outer wall of the trachea. Multiple through holes are opened on the bottom side wall of the left side of the outer tube. The outer tube is connected to a rotating fixing assembly.
[0013] Furthermore, a connecting rope is fixedly connected between the tube cap and the balloon.
[0014] Furthermore, six through holes are provided, with the three through holes on the left and the three through holes on the right symmetrically distributed about the axis of the outer tube.
[0015] Furthermore, the rotating fixing assembly includes a fixing sticker, a screw, pressure blocks, and a nut. The fixing sticker and the screw are slidably sleeved on the outside of the outer tube. The screw is fixedly installed on the top of the fixing sticker. The screw is threadedly connected to the inner wall of the nut. Three pressure blocks are provided and evenly distributed around the axis of the outer tube. The bottom of the pressure blocks is fixedly installed on the top of the screw, and the inner walls of the tops of the three pressure blocks can abut against the outer wall of the outer tube. The inner wall of the nut can be threadedly connected to the outer wall of the pressure block, and the nut is slidably connected to the outer wall of the outer tube.
[0016] Furthermore, the outer wall of the pressure block is configured as an inclined arc surface.
[0017] Furthermore, the top of the inner wall of the nut is configured to match the frustum shape of the outer wall of the pressure block.
[0018] Compared with the prior art, the advantages of this utility model are as follows:
[0019] 1. When using this utility model, after inserting the dual-channel cleaning component and the negative pressure drainage component into the esophageal anastomosis fistula, the rotating fixing component is applied to the neck while the negative pressure drainage component is rotated and fixed to prevent it from falling off; the syringe draws and infuses saline through the tubing of the dual-channel cleaning component, and the negative pressure drainage component drains and collects the cleaned saline and pus through negative pressure, thus achieving effective cleaning of the fistula. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0021] Figure 1 This invention relates to a three-dimensional pus drainage and removal device. Figure 1 ;
[0022] Figure 2 This is a front view of the pus drainage and removal device of this utility model;
[0023] Figure 3 This is a left view of the pus drainage and removal device of this utility model;
[0024] Figure 4 This invention relates to a three-dimensional pus drainage and removal device. Figure 2 ;
[0025] Figure 5 This is a partial perspective view of the pus drainage and removal device of this utility model;
[0026] Figure 6 For along Figure 3 A three-dimensional image with a portion removed along the AA direction.
[0027] The labels in the diagram represent:
[0028] 1. Syringe; 2. Cleaning and drainage assembly; 21. Dual-channel cleaning assembly; 211. Inner tube; 212. Connecting tube; 213. One-way valve; 22. Negative pressure drainage assembly; 221. Outer tube; 222. Balloon; 223. Trachea; 224. Tube cap; 225. Through hole; 3. Rotary fixing assembly; 31. Fixing patch; 32. Screw; 33. Pressure block; 34. Nut. Detailed Implementation
[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0030] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.
[0031] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-6 A pus drainage and removal device includes a syringe 1, a cleaning and drainage component 2 for cleaning and draining pus, and a rotating fixing component 3 for attaching and fixing the cleaning and drainage component 2. The cleaning and drainage component 2 includes a dual-channel cleaning component 21 and a negative pressure drainage component 22. The dual-channel cleaning component 21 is installed on the right side of the syringe 1, the negative pressure drainage component 22 is installed on the right side of the dual-channel cleaning component 21, and the rotating fixing component 3 is installed on the left side of the negative pressure drainage component 22.
[0032] When using this invention, after inserting the tubes of the dual-channel cleaning component 21 and the negative pressure drainage component 22 into the esophageal anastomosis fistula, the rotating fixing component 3 is applied to the neck while the negative pressure drainage component 22 is rotated and fixed to prevent it from falling off; the syringe 1 draws and infuses saline through the tubing of the dual-channel cleaning component 21, and the negative pressure drainage component 22 drains and collects the cleaned saline and pus through negative pressure, thus achieving effective cleaning of the fistula.
[0033] In some embodiments, the dual-channel cleaning assembly 21 includes an inner tube 211, a connecting tube 212, and a one-way valve 213. The right end of the syringe 1's outlet tube is inserted into the left end of the inner tube 211 and communicates with the inside of the inner tube 211. The connecting tube 212 is fixedly installed on the top side of the syringe 1's outlet tube and communicates with it. Two one-way valves 213 are provided: the left one-way valve 213 is fixedly installed on the side wall of the connecting tube 212, and the right one-way valve 213 is fixedly installed on the side wall of the syringe 1's outlet tube. The inner tube 211 is connected to the negative pressure drainage assembly 22. The top of the connecting tube 212 is used to connect an external saline bag. The right one-way valve 213 is positioned between the outlet of the syringe 1 and the inner tube 211.
[0034] When this utility model is in use, if it is necessary to extract physiological saline, pull out the piston of syringe 1. The air pressure inside syringe 1 causes the physiological saline in the saline bag to enter syringe 1 through connecting tube 212 and one-way valve 213 on the left. Then, squeeze the piston of syringe 1 inward, and the physiological saline enters the inner tube 211 through the outlet tube of syringe 1 and one-way valve 213 on the right, and finally flows into the abscess for flushing, realizing a dual-channel flow direction for flushing.
[0035] In some embodiments, the negative pressure drainage assembly 22 includes an outer tube 221, a balloon 222, a trachea 223, and a cap 224. The outer tube 221 is fixedly connected to the outer wall of the inner tube 211. The bottom of the inner tube 211 is inserted through the left side of the outer tube 221, and the bottom of the left side of the outer tube 221 is closed to the bottom of the inner tube 211. There is a gap between the outer wall of the inner tube 211 and the inner wall of the outer tube 221. The bottom of the right side of the outer tube 221 is fixedly mounted on the balloon 222. The trachea 223 is fixedly mounted on the top of the balloon 222 and communicates with the inside of the balloon 222. The cap 224 is threadedly connected to the outer wall of the trachea 223. Multiple through holes 225 are provided on the bottom side wall of the left side of the outer tube 221. The outer tube 221 is connected to the rotating fixing assembly 3. A connecting rope is fixedly connected between the cap 224 and the balloon 222.
[0036] When using this invention, the bottom of the left side of the outer tube 221 is inserted into the abscess. After injecting saline solution into the abscess with syringe 1, the tube cap 224 is rotated to detach it from the trachea 223. Then, the balloon 222 is squeezed, and the tube cap 224 is used to block the trachea 223. After that, the balloon 222 is released, and the one-way valve 213 on the right side is closed. The negative pressure inside the balloon 222 causes the pus and the cleaned saline solution to flow through the through hole 225 into the gap between the outer tube 221 and the inner tube 211, and then into the balloon 222, thus achieving the drainage and collection of pus.
[0037] In some embodiments, the rotating fixing assembly 3 includes a fixing patch 31, a screw 32, a pressure block 33, and a nut 34. The fixing patch 31 and the screw 32 are slidably fitted onto the outer side of the outer tube 221. The screw 32 is fixedly installed on the top of the fixing patch 31 and threadedly connected to the inner wall of the nut 34. Three pressure blocks 33 are provided and evenly distributed around the axis of the outer tube 221. The bottom of each pressure block 33 is fixedly installed on the top of the screw 32, and the inner walls of the tops of all three pressure blocks 33 can abut against the outer wall of the outer tube 221. The inner wall of the nut 34 can be threadedly connected to the outer wall of the pressure block 33, and the nut 34 is slidably connected to the outer wall of the outer tube 221. The pressure block 33 is made of an elastic material. The outer wall of the pressure block 33 is an inclined arc surface, and the top of the inner wall of the nut 34 is a frustum shape matching the outer wall of the pressure block 33.
[0038] When using this invention, after inserting the outer tube 221 and inner tube 211 into the acupoint, the fixing patch 31 is pasted onto the skin of the neck. The nut 34 is rotated to move down along the screw 32. The inner wall of the nut 34 compresses and gathers the top of the three pressure blocks 33, causing the three pressure blocks 33 to press the outer tube 221 inward. This fixes the outer tube 221 in place with the pressure blocks 33 and the fixing patch 31, preventing the outer tube 221 from falling off the fixing patch 31.
[0039] Example 2: In some embodiments, such as Figures 1-6 As shown, in a preferred embodiment of this utility model, six through holes 225 are provided, with the three through holes 225 on the left and the three through holes 225 on the right symmetrically distributed about the axis of the outer tube 221. In use, the six through holes 225 ensure a uniform distribution of suction pressure for the pus, reducing the harmful effects of negative pressure within the body while rapidly absorbing pus and saline solution.
[0040] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A pus drainage and removal device, comprising a syringe (1), characterized in that: It also includes a cleaning and drainage assembly (2) for cleaning and draining pus and a rotation fixing assembly (3) for attaching and fixing the cleaning and drainage assembly (2); The cleaning and drainage assembly (2) includes a dual-channel cleaning assembly (21) and a negative pressure drainage assembly (22); the dual-channel cleaning assembly (21) is installed on the right side of the syringe (1), the negative pressure drainage assembly (22) is installed on the right side of the dual-channel cleaning assembly (21), and the rotating fixing assembly (3) is installed on the left side of the negative pressure drainage assembly (22).
2. The pus drainage and removal device according to claim 1, characterized in that, The dual-channel cleaning assembly (21) includes an inner tube (211), a connecting tube (212), and a one-way valve (213). The right end of the outlet tube of the syringe (1) is inserted into the left end of the inner tube (211) and communicates with the inside of the inner tube (211). The connecting tube (212) is fixedly installed on the top side of the outlet tube of the syringe (1) and communicates with it. There are two one-way valves (213). The one-way valve (213) on the left is fixedly installed on the side wall of the connecting tube (212), and the one-way valve (213) on the right is fixedly installed on the side wall of the outlet tube of the syringe (1). The inner tube (211) is connected to the negative pressure drainage assembly (22).
3. The pus drainage and removal device according to claim 2, characterized in that, The one-way valve (213) on the right side is positioned between the outlet of the syringe (1) and the inner tube (211).
4. The pus drainage and removal device according to claim 2, characterized in that, The negative pressure drainage assembly (22) includes an outer tube (221), a balloon (222), a trachea (223), and a cap (224). The outer tube (221) is fixedly connected to the outer wall of the inner tube (211). The bottom of the inner tube (211) is inserted through the left side of the outer tube (221), and the bottom of the left side of the outer tube (221) is sealed with the bottom of the inner tube (211). The outer wall of the inner tube (211) is closed with the outer tube (221). There is a gap between the inner walls of the outer tube (221). The bottom of the right side tube of the outer tube (221) is fixedly installed on the balloon (222). The trachea (223) is fixedly installed on the top of the balloon (222) and communicates with the inside of the balloon (222). The tube cap (224) is threadedly connected to the outer wall of the trachea (223). Multiple through holes (225) are opened on the bottom side wall of the left side tube of the outer tube (221). The outer tube (221) is connected to the rotating fixing assembly (3).
5. The pus drainage and removal device according to claim 4, characterized in that, A connecting rope is fixedly connected between the tube cap (224) and the balloon (222).
6. The pus drainage and removal device according to claim 4, characterized in that, The through holes (225) are provided in six parts. The three through holes (225) on the left and the three through holes (225) on the right are symmetrically distributed about the axis of the outer tube (221).
7. The pus drainage and removal device according to claim 4, characterized in that, The rotating fixing assembly (3) includes a fixing sticker (31), a screw (32), a pressure block (33), and a nut (34). The fixing sticker (31) and the screw (32) are slidably sleeved on the outside of the outer tube (221). The screw (32) is fixedly installed on the top of the fixing sticker (31). The screw (32) is threadedly connected to the inner wall of the nut (34). There are three pressure blocks (33) and they are evenly distributed around the axis of the outer tube (221). The bottom of the pressure block (33) is fixedly installed on the top of the screw (32). The inner wall of the top of the three pressure blocks (33) can abut against the outer wall of the outer tube (221). The inner wall of the nut (34) can be threadedly connected to the outer wall of the pressure block (33). The nut (34) is slidably connected to the outer wall of the outer tube (221).
8. The pus drainage and removal device according to claim 7, characterized in that, The outer wall of the pressure block (33) is set as an inclined arc surface.
9. The pus drainage and removal device according to claim 8, characterized in that, The top of the inner wall of the nut (34) is configured to match the frustum shape of the outer wall of the pressure block (33).
Citation Information
Patent Citations
Coincide drainage device that washes of mouthful fistula of cancer of esophagus postoperative neck
CN206151945U