Anti-blocking drainage device for thoracic surgery department
By designing a detachable filter cartridge structure and a screw cap fixing block, the problem of difficult filter screen removal and replacement is solved, ensuring the efficient operation of the drainage device.
Patent Information
- Application Number
- CN202422895784.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The filters of existing thoracic surgery anti-clogging drainage devices are difficult to disassemble, clean, and replace, which can easily lead to blockage after long-term use and affect drainage efficiency.
A detachable filter cartridge structure was designed. The filter screen can be easily disassembled and replaced by the cooperation of the screw cap and the fixing block. The sealing ring improves the connection sealing and prevents liquid leakage.
It enables convenient cleaning and replacement of the filter screen, avoids clogging, and ensures the normal operating efficiency of the diversion device.
Smart Images

Figure CN223746752U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to thoracic surgery prevents the technical field of drainage, concretely is a thoracic surgery prevents drainage device. BACKGROUND
[0002] At present, when the patient in clinical heart chest drainage is treated, the gas, liquid in the patient's thoracic cavity should be discharged outside in time, and negative pressure aspirator is needed to attract during drainage.
[0003] The authorized announcement No. CN213219675U discloses a thoracic surgery prevents the drainage device, the filter screen in the filter can filter and intercept the debris and fiber in the effusion, prevent the blockage of the drainage tube, when using the thoracic surgery prevents the drainage device, the cap is removed by rotating the cap, the debris and fiber in the filter cavity can be cleaned, and then the drainage is continued, the cleaning of the drainage device is limited to the cleaning of the debris and fiber in the filter cavity, the filter screen in the filter cavity is not convenient to disassemble and clean, the filter screen is easy to be blocked after long-term use, and when the filter screen is damaged, it is not convenient to replace, the normal use of the filter is affected, and then the drainage efficiency of the drainage device is affected.
[0004] Therefore, it is necessary to provide a new thoracic surgery prevents the drainage device to solve the above technical problems. UTILITY MODEL CONTENT
[0005] To solve the above technical problems, the utility model provides a thoracic surgery prevents the drainage device with the filter screen in the filter cartridge is convenient to disassemble and clean and is convenient to replace the filter screen.
[0006] The thoracic surgery prevents the drainage device provided by the utility model, including drainage head, drainage pipe, drainage bottle and suction pump, a plurality of support rings are sleeved on the drainage head, a plurality of drainage holes are formed in the drainage head, the drainage head is communicated with the drainage pipe, the filter mechanism is arranged on the drainage pipe, the buffer cavity is arranged between the drainage pipe and the filter mechanism, the scale is arranged on the drainage bottle, the drainage connector and the negative pressure connector are respectively installed on the top of the drainage bottle, the top end of the drainage connector is communicated with the drainage pipe, the catheter is connected to the bottom of the drainage connector, the catheter extends to the inside of the drainage bottle, the negative pressure connector is communicated with the suction pump through the pipeline, the drainage tube is connected to the bottom of the drainage bottle, and the valve is arranged on the drainage tube.
[0007] The filtering mechanism comprises a filter cylinder and a screw cap, the filter cylinder and the screw cap are communicated with a drainage tube respectively, the screw cap is screwed on the filter cylinder, a plurality of supporting rods are fixed on the inner side wall of the screw cap, the other ends of the supporting rods are all abutted against the inner side wall of the filter cylinder, a plurality of annular rings are fixed on the supporting rods, a limiting ring is fixed in the annular ring, a filter screen is inserted in the annular ring, a plurality of fixing rods are fixed on one side of the annular ring, a limiting plate is fixed on one end of the fixing rod, a fixing block is sleeved on the fixing rod, and the fixing block is abutted against the filter screen.
[0008] The filter screen is provided with a plurality of filter screens, the filter screens are linearly distributed in the filter cylinder, and the filter holes of the filter screens gradually decrease from left to right.
[0009] The inner side wall of the screw cap is fixed with a first sealing ring, the first sealing ring is abutted against the filter cylinder, the outer side of the annular ring is fixed with a second sealing ring, and the second sealing ring is abutted against the inner wall of the annular ring.
[0010] The inner side wall of the recess is fixed with a spring, one end of the spring is fixedly connected with a pressing plate, the limiting rod is inserted in the limiting hole of the fixing block.
[0011] The recess is sleeved with a baffle inside and outside the limiting rod, and the baffle is fixedly connected with the inner wall of the recess.
[0012] Compared with the prior art, the chest surgery anti-blocking drainage device has the advantages that:
[0013] The filter screen of the filter cylinder can be disassembled and cleaned, and the damaged filter screen after long-term use can be replaced, so that the filter cylinder can be normally used, the drainage efficiency of the drainage device is avoided from being affected, the cleaning of the existing drainage device is limited to cleaning the debris and fibers in the filter cavity, the filter screen in the filter cavity cannot be disassembled and cleaned, the filter screen is easy to be blocked after long-term use, and when the filter screen is damaged, the filter screen cannot be replaced conveniently, the normal use of the filter is affected, and the drainage efficiency of the drainage device is affected. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The chest surgery anti-blocking drainage device provided by the utility model is shown in the structure diagram;
[0015] Figure 2 The filtering mechanism of the utility model is shown in the diagram;
[0016] Figure 3 The filtering mechanism of the utility model is shown in the diagram;
[0017] Figure 4 is a schematic view of the connection between the ring and the filter screen of the utility model;
[0018] Figure 5 is a schematic view of the connection between the ring and the filter screen of the utility model; Figure 4 is an enlarged schematic view of A in the utility model;
[0019] Figure 6 is a side view of the ring structure of the utility model.
[0020] Wherein: 1, drainage head; 2, drainage tube; 201, filter cartridge; 202, screw cap; 203, support rod; 204, ring; 205, limiting ring; 206, filter screen; 207, fixed rod; 208, limiting plate; 209, fixed block; 210, first sealing ring; 211, second sealing ring; 212, groove; 213, spring; 214, extrusion plate; 215, limiting rod; 216, limiting hole; 217, baffle; 3, drainage bottle; 4, suction pump; 5, support ring; 6, drainage hole; 7, buffer cavity; 8, drainage connector; 9, negative pressure connector; 10, catheter; 11, drainage tube. DETAILED DESCRIPTION
[0021] The utility model will be further described below in combination with the drawings and embodiments.
[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , wherein Figure 1 is a schematic view of the chest surgery anti-blocking drainage device provided by the utility model; Figure 2 is a schematic view of the filter mechanism of the utility model; Figure 3 is a partial structure perspective view of the filter mechanism of the utility model; Figure 4 is a schematic view of the connection between the ring and the filter screen of the utility model; Figure 5 is a schematic view of the connection between the ring and the filter screen of the utility model; Figure 4 is an enlarged schematic view of A in the utility model; Figure 6The utility model discloses a circular structure side view. A thoracic surgery anti-blocking drainage device, including drainage head 1, drainage tube 2, drainage bottle 3 and suction pump 4, is provided with a plurality of support rings 5 on drainage head 1, the support ring 5 can avoid the film material of surgical wound position to block the drainage hole 6, is provided with a plurality of drainage holes 6 on drainage head 1, and drainage head 1 is communicated with drainage tube 2, and the filter mechanism is arranged on drainage tube 2, and the buffer cavity 7 is arranged between drainage tube 2 and the filter mechanism, and the buffer cavity 7 is used for reducing the flow rate of effusion, and the scale is arranged on drainage bottle 3, and drainage bottle 3 top respectively installs drainage connector 8 and negative pressure connector 9, and the top of drainage connector 8 is communicated with drainage tube 2, and the bottom of drainage connector 8 is connected with catheter 10, and catheter 10 extends to the inside of drainage bottle 3, and negative pressure connector 9 is communicated with suction pump 4 through pipeline, and drainage bottle 3 bottom is connected with drainage tube 11, and the valve is arranged on drainage tube 11;The filter mechanism includes filter cartridge 201 and screw cap 202, and filter cartridge 201 and screw cap 202 are communicated with drainage tube 2 respectively, and screw cap 202 is screwed on filter cartridge 201, and a plurality of support rods 203 are fixed on the inner side wall of screw cap 202, and the other end of a plurality of support rods 203 all abuts against the inner side wall of filter cartridge 201, and a plurality of annular rings 204 are fixed on a plurality of support rods 203, and a limiting ring 205 is fixed in the inside of annular ring 204, and filter screen 206 is inserted in annular ring 204, and a plurality of fixed rods 207 are fixed on one side of annular ring 204, and one end of fixed rod 207 is fixed with limiting plate 208, and limiting plate 208 is used for preventing fixed block 209 from separating from fixed rod 207, and fixed block 209 is sleeved on fixed rod 207, and fixed block 209 abuts against filter screen 206.
[0023] Through the above technical scheme, the drainage head 1 is inserted into the thoracic cavity wound, the negative pressure is generated in the drainage bottle 3 through the suction pump 4, the effusion in the patient's body can be smoothly drained into the drainage bottle 3 under the action of the negative pressure, after the filter cartridge 201 filters the debris and fibers in the effusion for a long time, rotating the screw cap 202 and taking down, a plurality of filter screens 206 can be taken out from the filter cartridge 201 for cleaning, reducing the situation that the filter screen 206 is blocked, after cleaning, the filter screen 206 is put into the filter cartridge 201 for use again, when the filter screen 206 needs to be replaced, rotating the fixed block 209, the filter screen 206 is removed from the annular ring 204, then the new filter screen 206 is placed on the annular ring 204, the limiting ring 205 fixes one side of the filter screen 206, rotating the fixed block 209, the fixed block 209 abuts against the filter screen 206, the other side of the filter screen 206 is fixed through a plurality of fixed blocks 209, so that the replacement of the filter screen 206 is completed, and the filter screen 206 is convenient to disassemble, clean and replace.
[0024] Reference Figure 2 And Figure 3The filter screen 206 is provided with a plurality of filter screens 206, the plurality of filter screens 206 are linearly distributed inside the filter cylinder 201, the filter holes of the plurality of filter screens 206 decrease from left to right in turn, the filter screen sizes of the plurality of filter screens 206 are different, and the plurality of filter screens 206 can filter the debris and fibers in the hydrops more completely.
[0025] With reference to Figure 2 and Figure 3 The inner wall of the rotary cover 202 is fixedly connected with a first sealing ring 210, the first sealing ring 210 is in abutment with the filter cylinder 201, the outer side of the annular ring 204 is fixedly connected with a second sealing ring 211, the second sealing ring 211 is in abutment with the inner wall of the annular ring 204, the first sealing ring 210 is used for improving the sealing performance of the connection between the filter cylinder 201 and the rotary cover 202, and the second sealing ring 211 is used for improving the sealing performance of the connection between the annular ring 204 and the filter cylinder 201, so that the leakage of the hydrops is prevented.
[0026] With reference to Figure 5 The annular ring 204 is internally provided with a groove 212, the inner side wall of the groove 212 is fixedly connected with a spring 213, one end of the spring 213 is fixedly connected with a pressing plate 214, the side, away from the spring 213, of the pressing plate 214 is fixedly connected with a limiting rod 215, the limiting rod 215 extends out of one end of the groove 212 and is inserted into a limiting hole 216 formed in the fixed block 209, when the fixed block 209 is used for fixing the filter screen 206, the limiting rod 215 in the groove 212 is inserted into the limiting hole 216 under the elastic action of the spring 213, the fixed block 209 is fixed through the cooperation between the limiting rod 215 and the limiting hole 216, and the fixed block 209 is more stable when the fixed block 209 is used for fixing the filter screen 206, so that the arbitrary rotation of the fixed block 209 is prevented.
[0027] With reference to Figure 5 The groove 212 is internally provided with a baffle 217 outside the limiting rod 215, the baffle 217 is fixedly connected with the inner wall of the groove 212, the baffle 217 is used for limiting the movement of the pressing plate 214, so that the pressing plate 214 is prevented from moving to the outside of the groove 212 under the elastic action of the spring 213, and the pressing plate 214 is normally used in the groove 212.
[0028] The implementation principle of the chest surgery anti-blocking drainage device is as follows: the drainage head 1 is inserted into a chest cavity wound, a negative pressure is generated in the drainage bottle 3 by the suction pump 4, the effusion in the patient's body is smoothly drained into the drainage bottle 3 under the action of the negative pressure, after the filter cartridge 201 filters the debris and fibers in the effusion for a long time, the rotary cap 202 is rotated and removed, a plurality of filter screens 206 can be taken out of the filter cartridge 201 for cleaning, the situation that the filter screen 206 is blocked is reduced, after cleaning is completed, the filter screen 206 is placed into the filter cartridge 201 for use again, when the filter screen 206 needs to be replaced, the fixing block 209 is rotated, the restriction of the fixing block 209 on the filter screen 206 is released, the filter screen 206 can be taken off the circular ring 204, then the new filter screen 206 is placed on the circular ring 204, the limiting ring 205 fixes one side of the filter screen 206, the fixing block 209 is abutted with the filter screen 206 by rotating the fixing block 209, the other side of the filter screen 206 can be fixed by the plurality of fixing blocks 209, so that the replacement of the filter screen 206 is completed, and the filter screen 206 is convenient to disassemble, clean and replace.
[0029] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein, and the components known by the person skilled in the art are known or obtained by conventional experimental methods.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A chest surgery anti-block drainage device, characterized in that: The utility model provides a drainage head (1), drainage tube (2), drainage bottle (3) and suction pump (4) including, a plurality of support rings (5) are sleeved on the drainage head (1), a plurality of drainage holes (6) are seted up on the drainage head (1), the drainage head (1) is connected with drainage tube (2), the filter mechanism is provided on the drainage tube (2), and the buffer cavity (7) is arranged between the drainage tube (2) and filter mechanism, the scale is set up on the drainage bottle (3), the drainage bottle (3) top is installed drainage connector (8) and negative pressure connector (9) respectively, the drainage connector (8) top is connected with drainage tube (2), the drainage connector (8) bottom is connected with catheter (10), and the catheter (10) extends to the inside of drainage bottle (3), the negative pressure connector (9) is connected with suction pump (4) through pipeline, the drainage bottle (3) bottom is connected with drainage tube (11), and the valve is seted up on drainage tube (11). The filter mechanism includes filter cartridge (201) and screw cap (202), the filter cartridge (201) and screw cap (202) are connected with drainage tube (2) respectively, the screw cap (202) is screwed on the filter cartridge (201), a plurality of support rods (203) are fixed on the inner side wall of screw cap (202), the other end of a plurality of support rods (203) abuts with the inner side wall of filter cartridge (201), a plurality of support rods (203) are fixed with a plurality of annular rings (204), the limit ring (205) is fixed in the annular ring (204), the filter screen (206) is inserted in the annular ring (204), a plurality of fixed rods (207) are fixed on one side of the annular ring (204), the limit plate (208) is fixed on one end of the fixed rod (207), the fixed block (209) is sleeved on the fixed rod (207), and the fixed block (209) abuts with the filter screen (206).
2. A chest surgery anti-clogging drainage device according to claim 1, characterized in that: The filter screen (206) is provided with a plurality of filter screens (206), and the plurality of filter screens (206) are linearly distributed in the filter cartridge (201).
3. The anti-clogging drainage device for thoracic surgery according to claim 1, characterized in that: The first sealing ring (210) is fixed on the inner side wall of screw cap (202), the first sealing ring (210) abuts with the filter cartridge (201), the second sealing ring (211) is fixed on the outer side of annular ring (204), and the second sealing ring (211) abuts with the inner wall of annular ring (204).
4. The anti-clogging drainage device for thoracic surgery according to claim 1, characterized in that: The recess (212) is set up in the annular ring (204), the spring (213) is fixed on the inner side wall of recess (212), the extrusion plate (214) is fixed on one end of spring (213), the limit rod (215) is fixed on the side, away from spring (213), of extrusion plate (214), and the limit rod (215) extends out one end of recess (212) and is inserted in the limit hole (216) of fixed block (209).
5. A chest surgery anti-block drainage device according to claim 4, characterized in that: The baffle (217) is sleeved on the outer side of recess (212) and the outer side of limit rod (215), and the baffle (217) is fixedly connected with the inner wall of recess (212).
Citation Information
Patent Citations
Anti-blocking drainage device for thoracic surgery department
CN213219675U