CN219290274U - Negative pressure drainage device - Google Patents
Negative pressure drainage device Download PDFInfo
- Publication number
- CN219290274U CN219290274U CN202320135091.4U CN202320135091U CN219290274U CN 219290274 U CN219290274 U CN 219290274U CN 202320135091 U CN202320135091 U CN 202320135091U CN 219290274 U CN219290274 U CN 219290274U
- Authority
- CN
- China
- Prior art keywords
- container
- negative pressure
- knob
- drainage device
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model discloses a negative pressure drainage device, which belongs to the technical field of effusion drainage devices, and comprises a container with a hollow tubular structure, wherein sealing plates are fixedly arranged at two ends of the container, a drainage tube communicated with an inner cavity of the container is arranged at the outer side of one sealing plate, a through hole is arranged on the other sealing plate, a knob is rotatably connected to the container, and a rotation limiting mechanism which enables the knob to rotate only in one direction relative to the container is arranged between the knob and the container; the container is internally provided with a piston which can only slide along the length direction of the container and is always attached to the inner wall of the container, a screw rod which penetrates through the through hole and is in threaded connection with the knob is fixedly connected to the piston, and when the knob rotates on the container in a unidirectional mode, the screw rod drives the piston to slide towards one side opposite to the drainage tube. The utility model has the advantages of small volume, portability, no reflux phenomenon, reduced infection risk, simple and convenient operation and safety.
Description
Technical Field
The utility model belongs to the technical field of effusion drainage devices, and particularly relates to a negative pressure drainage device.
Background
After the breast cancer improvement radical treatment operation is carried out, various negative pressure drainage devices, drainage balls or negative pressure drainage devices are needed to be used for connection, so that thorough drainage of wound effusion and hematocele after operation is ensured, and tissue healing is promoted. However, in clinical work, it is found that subcutaneous effusion is still often produced after the wound of a patient returns home due to abundant lymphatic return around the mammary gland and the damage of a lymphatic return pipeline caused by surgical wound, and the effusion needs to be pumped back to the hospital. If a doctor continuously producing lymphatic dropsy generally prevents the indwelling needle from being placed in a place where more subcutaneous dropsy is produced, the indwelling needle is connected with a drainage bag to drain the dropsy, and wound infection is prevented. However, the drainage bag does not contain negative pressure, so that backflow of drainage liquid is easily caused, effusion cannot be rapidly, thoroughly and effectively drained, local infection under the skin flap is easily caused by a patient, and even necrosis of the skin flap is caused. Some patients still have subcutaneous fluid production three or four months after surgery, even after having returned to work.
Disclosure of Invention
Aiming at the defects that drainage is inconvenient when a patient generates subcutaneous effusion and infection is caused by reflux of drainage liquid possibly occurs by adopting a common drainage bag in the prior art, the utility model provides the negative pressure drainage device which is convenient to carry, can be processed at home by the patient, is convenient to operate, and adopts a negative pressure mode to conduct negative pressure drainage, so that the infection risk can be reduced.
The utility model aims at realizing the following technical scheme: the negative pressure drainage device comprises a container with a hollow tubular structure, sealing plates are fixedly arranged at two ends of the container, a drainage tube communicated with an inner cavity of the container is arranged at the outer side of one sealing plate, a through hole is formed in the other sealing plate, a knob is rotatably connected to the container, and a rotation limiting mechanism which enables the knob to rotate in a single direction relative to the container is arranged between the knob and the container; the container is internally provided with a piston which can only slide along the length direction of the container and is always attached to the inner wall of the container, a screw rod which penetrates through the through hole and is in threaded connection with the knob is fixedly connected to the piston, and when the knob rotates on the container in a unidirectional mode, the screw rod drives the piston to slide towards one side opposite to the drainage tube.
In the negative pressure drainage device, the through hole is of a non-circular structure, and the screw rod can only slide along the through hole.
In the negative pressure drainage device, a first plane is arranged on the side wall of the through hole, a second plane which is always matched with the first plane is arranged on the screw, and the center line of the screw is parallel to the second plane.
In the negative pressure drainage device, a tube clamp which can be used for clamping the drainage tube and closing the drainage tube is sleeved on the drainage tube.
In the negative pressure drainage device, a connecting nozzle communicated with the inner cavity of the container is fixedly arranged on a sealing plate which is not provided with the through hole, and the drainage tube is sleeved on the connecting nozzle.
In the negative pressure drainage device, the knob comprises a circular ring which can only be sleeved outside the container in a autorotation manner, the lower end of the circular ring is fixedly connected with a bottom plate, a screw hole which is in threaded connection with a screw rod is arranged in the center position of the bottom plate, helical teeth which are distributed in a circumferential array around the central line of the circular ring are fixedly distributed on the inner side of the upper end of the circular ring, all the helical teeth are sequentially connected end to end and surround to form an annular structure, and a space is reserved between the helical teeth and the container; the rotation limiting mechanism comprises an elastic piece which is fixed on the outer side face of the container and matched with the helical teeth.
In the negative pressure drainage device, the outer side face of the container is provided with a groove, the elastic piece comprises a fixing piece adhered and fixed in the groove, and a spring piece inclined relative to the fixing piece is fixedly arranged on the fixing piece.
In the negative pressure drainage device, a lantern ring of a circular ring structure arranged around the central line of the container is fixedly arranged on the outer side surface of the container, a circular ring groove is arranged on the inner side surface of the circular ring, and the lantern ring is rotatably sleeved in the circular ring groove.
In the negative pressure drainage device, a through groove with a circular arc structure is arranged on a sealing cover provided with the through hole, a plurality of exhaust holes are distributed on the bottom plate, and the exhaust holes are communicated with the through groove all the time along with the rotation of the knob.
In the negative pressure drainage device, a plurality of discontinuous grooves of annular structures distributed along the length direction of the screw are arranged outside the screw, a connecting ring is fixedly connected to the outer side surface of the container, an interface is fixedly arranged at the end part of the drainage tube, which is opposite to the connecting nozzle, and the interface is a threaded interface; the side wall of the container is made of transparent materials.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the device is used, the knob is rotated to drive the screw rod to move downwards, so that the piston is driven to slide, negative pressure is generated in the container, subcutaneous effusion of a patient is sucked, and the device is easy to control;
2. by arranging the rotation limiting mechanism, the knob can only rotate in one direction, so that the reflux of accumulated liquid sucked into the container can be avoided, the infection risk of a patient can be reduced, and the operation is simple and safer;
3. the drainage tube can be closed by using the tube clamp, drainage is stopped, reflux is avoided, and the operation is simpler and safer.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of a container;
FIG. 3 is a perspective view of a closure provided with a through hole;
FIG. 4 is a perspective view of a knob;
FIG. 5 is a perspective view of an elastic sheet;
FIG. 6 is a schematic view of the internal structure of the present utility model with the drain tube and the connector removed;
the marks in the figure: 1. a container, 2, a groove, 3, a collar, 4, a sealing plate, 5, a connecting nozzle, 6, a drainage tube, 7, a pipe clamp, 8, an interface, 9, a through hole, 10, a first plane, 11, a knob, 12, a piston, 13, a screw, 14, a second plane, 15, circular rings, 16, circular ring grooves, 17, bottom plates, 18, helical teeth, 19, fixing plates, 20, elastic plates, 21, through grooves, 22, exhaust holes, 23, discontinuous grooves, 24, connecting rings, 25, elastic pieces, 26 and screw holes.
Detailed Description
The utility model is further described below with reference to embodiments shown in the drawings in which:
example 1
As shown in fig. 1-6, a negative pressure drainage device comprises a container 1 with a hollow tubular structure, wherein the side wall of the container 1 is made of transparent materials, and the internal condition of the container 1 can be observed through the transparent side wall of the container 1. The container 1 lateral surface is equipped with recess 2 and the lantern ring 3 of the ring structure that sets up around container 1 central line, and lantern ring 3 is fixed at container 1 lateral surface, and container 1 both ends are fixed to be equipped with shrouding 4, wherein a shrouding 4 outside fixedly connected with container 1 inner chamber intercommunication's connecting mouth 5, the cover is equipped with drainage tube 6 on the connecting mouth 5, and drainage tube 6 is the hose, and the cover is equipped with the pipe clamp 7 that can be used for the centre gripping hose and be closed with drainage tube 6 on the drainage tube 6. The end of the drainage tube 6, which is opposite to the connecting nozzle 5, is fixedly provided with a threaded interface 8. The other sealing plate 4 is provided with a through hole 9, the through hole 9 is of a non-circular structure, a first plane 10 is arranged on the side wall of the through hole 9, a knob 11 is rotatably connected to the container 1, and a rotation limiting mechanism which enables the knob 11 to rotate only in a single direction relative to the container 1 is arranged between the knob 11 and the container 1; the container 1 is internally provided with a piston 12 which can only slide along the length direction of the container 1 and is always attached to the inner wall of the container 1, a screw rod 13 which penetrates through the through hole 9 and is in threaded connection with the knob 11 is fixedly connected to the piston 12, the screw rod 13 can only slide along the through hole 9, the screw rod 13 is provided with a second plane 14 which is always matched with the first plane 10, and the center line of the screw rod 13 is parallel to the second plane 14. When the knob 11 rotates unidirectionally on the container 1, the screw 13 drives the piston 12 to slide towards the side facing away from the drain tube 6. By the cooperation of the first plane 10 and the second plane 14, the screw 13 can only move along the through hole 9, and the piston 12 arranged in the container 1 is matched and slid, so that the operation of the piston 12 and the screw 13 is more stable.
The knob 11 comprises a circular ring 15 which can only be sleeved outside the container 1 in a autorotation mode, a circular ring groove 16 is formed in the inner side face of the circular ring 15, and the lantern ring 3 is sleeved in the circular ring groove 16 in a rotating mode. The lower end of the circular ring 15 is fixedly connected with a bottom plate 17, a screw hole 26 is arranged in the center position of the bottom plate 17, inclined teeth 18 distributed in a circumferential array around the central line of the circular ring 15 are fixedly distributed on the inner side of the upper end of the circular ring 15, all the inclined teeth 18 are sequentially connected end to end and surround to form an annular structure, and a space is reserved between the inclined teeth 18 and the container 1; the rotation limiting mechanism comprises an elastic piece 25 fixed on the outer side face of the container 1 and matched with the helical teeth 18, the elastic piece 25 comprises a fixing piece 19 adhered and fixed in the groove 2, and a spring piece 20 inclined relative to the fixing piece 19 is fixedly arranged on the fixing piece 19. By the elastic piece 20 cooperating with the helical teeth 18, unidirectional rotation of the knob 11 can be achieved.
The cover provided with the through hole 9 is also provided with a through groove 21 with a circular arc structure, the bottom plate 17 is provided with a plurality of exhaust holes 22, and the exhaust holes 22 are communicated with the through groove 21 along with the rotation of the knob 11. By this arrangement, the space between the piston 12 and the sealing plate 4 provided with the through hole 9 in the inner cavity of the container 1 can be always communicated with the outside, and high pressure in the space due to the movement of the piston 12 can be avoided.
The screw 13 is provided with a plurality of intermittent grooves 23 which are distributed along the length direction of the screw 13 and have an annular structure, when the knob 11 is rotated, the screw 13 is driven to rotate, so that the screw 13 extends out of the lower end of the rotary sleeve for a certain length, and the extending screw 13 can be broken through the arranged intermittent grooves 23, so that the extending screw 13 is prevented from scratching the skin of a patient. The outer side surface of the container 1 is fixedly connected with a connecting ring 24. The negative pressure drainage device can be bound and fixed between the waist of a patient by using the binding band connecting ring 24, and is convenient to carry and use.
The application principle of the utility model is as follows:
when the device is used, the device is connected with the indwelling needle on a patient through the arranged interface 8, the knob 11 is gradually rotated in one direction, the knob 11 gradually drives the screw 13 to move, and then the piston 12 is driven to move, so that the container 1 generates negative pressure in the space between the piston 12 and the sealing plate 4 provided with the connecting nozzle 5, subcutaneous effusion of the patient is attracted, drainage liquid cannot flow back due to the negative pressure effect, and the risk of infection of the patient can be reduced. Simultaneously, through the rotation stop gear who sets up to turning to spacing of knob 11, make knob 11 only can unidirectional rotation, unable reverse rotation just so can avoid leading to palirrhea phenomenon because of the mistake to touch knob 11, and can the closed drainage tube 6 of centre gripping through the pipe clamp 7 that sets up, stop drainage and palirrhea, it is more convenient and safe to use.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The negative pressure drainage device comprises a container with a hollow tubular structure, wherein sealing plates are fixedly arranged at two ends of the container, and the negative pressure drainage device is characterized in that a drainage tube communicated with an inner cavity of the container is arranged at the outer side of one sealing plate, a through hole is formed in the other sealing plate, a knob is rotationally connected to the container, and a rotation limiting mechanism which enables the knob to rotate in a unidirectional mode only relative to the container is arranged between the knob and the container; the container is internally provided with a piston which can only slide along the length direction of the container and is always attached to the inner wall of the container, a screw rod which penetrates through the through hole and is in threaded connection with the knob is fixedly connected to the piston, and when the knob rotates on the container in a unidirectional mode, the screw rod drives the piston to slide towards one side opposite to the drainage tube.
2. The negative pressure drainage device according to claim 1, wherein the through hole is of a non-circular structure, and the screw can only slide along the through hole.
3. The negative pressure drainage device according to claim 2, wherein a first plane is arranged on the side wall of the through hole, a second plane which is always matched with the first plane is arranged on the screw, and the center line of the screw is parallel to the second plane.
4. The negative pressure drainage device according to claim 1, wherein the drainage tube is sleeved with a tube clamp which can be used for clamping the drainage tube and closing the drainage tube.
5. The negative pressure drainage device according to claim 1, wherein a connecting nozzle communicated with the inner cavity of the container is fixedly arranged on the sealing plate without the through hole, and the drainage tube is sleeved on the connecting nozzle.
6. The negative pressure drainage device according to claim 1, wherein the knob comprises a circular ring which can only be sleeved outside the container in a autorotation manner, the lower end of the circular ring is fixedly connected with a bottom plate, a screw hole which is in threaded connection with a screw rod is arranged in the center position of the bottom plate, helical teeth which are distributed in a circumferential array around the central line of the circular ring are fixedly distributed on the inner side of the upper end of the circular ring, all the helical teeth are sequentially connected end to end and surround to form an annular structure, and a space is reserved between the helical teeth and the container; the rotation limiting mechanism comprises an elastic piece which is fixed on the outer side face of the container and matched with the helical teeth.
7. The negative pressure drainage device according to claim 6, wherein the outer side surface of the container is provided with a groove, the elastic piece comprises a fixing piece stuck and fixed in the groove, and a spring piece inclined relative to the fixing piece is fixedly arranged on the fixing piece.
8. The negative pressure drainage device according to claim 6 or 7, wherein a collar of a circular ring structure is fixedly arranged on the outer side surface of the container and surrounds the central line of the container, a circular ring groove is arranged on the inner side surface of the circular ring, and the collar is rotatably sleeved in the circular ring groove.
9. The negative pressure drainage device according to claim 8, wherein the cover provided with the through hole is provided with a through groove with a circular arc structure, the bottom plate is provided with a plurality of exhaust holes, and the exhaust holes are communicated with the through groove all the time along with the rotation of the knob.
10. The negative pressure drainage device according to claim 5, wherein a plurality of discontinuous grooves of annular structures distributed along the length direction of the screw are formed outside the screw, a connecting ring is fixedly connected to the outer side surface of the container, and an interface is fixedly arranged at the end part of the drainage tube, which is opposite to the connecting nozzle; the side wall of the container is made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320135091.4U CN219290274U (en) | 2023-01-16 | 2023-01-16 | Negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320135091.4U CN219290274U (en) | 2023-01-16 | 2023-01-16 | Negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219290274U true CN219290274U (en) | 2023-07-04 |
Family
ID=86951223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320135091.4U Active CN219290274U (en) | 2023-01-16 | 2023-01-16 | Negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219290274U (en) |
-
2023
- 2023-01-16 CN CN202320135091.4U patent/CN219290274U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201200434Y (en) | Negative-pressure wound plaster | |
| EP3659637A1 (en) | Novel perfusion and suction system | |
| CN108938059B (en) | Air-sealing type needle-punching, bleeding, thrombus-discharging and pulling integrated cupping device | |
| CN219290274U (en) | Negative pressure drainage device | |
| CN211024454U (en) | Three-way device for bladder perfusion and irrigation | |
| CN109720758A (en) | A kind of anti-infection isolating device of Pediatric Clinic | |
| CN108837287A (en) | A kind of anorectal surgical Postoperative Analgesia After hemostasis device | |
| CN209827713U (en) | Four-cavity drainage tube device capable of flushing and continuously sucking negative pressure | |
| CN211434686U (en) | Disposable thoracico-abdominal water puncture flushing drainage tube | |
| CN210096518U (en) | Laparoscopic irrigation and suction device for general surgery department | |
| CN208989985U (en) | A kind of drainage tube and drainage bag adapter | |
| CN207545539U (en) | A kind of stomach and intestine negative pressure suction device | |
| CN209499850U (en) | A kind of Novel internal medicine clinic diagnosis auxiliary device | |
| CN215652966U (en) | Disposable vein puncturing cupping device capable of preventing cross infection | |
| CN112169031A (en) | Portable honeycomb duct for neurosurgery | |
| CN215505100U (en) | Hospital nursing is with portable wound clearance degassing unit | |
| CN219983595U (en) | Analgesic pump fixing device | |
| CN218853313U (en) | Disposable flushing drainage catheter | |
| CN213554106U (en) | Compound aspirator for laparoscope | |
| CN221888845U (en) | Negative pressure drainage device for treating finger tip defect | |
| CN213994549U (en) | Orthopedic surgery negative pressure drainage device | |
| CN211357022U (en) | Hepatobiliary branch of academic or vocational study is with postoperative drainage nursing device | |
| CN115300757B (en) | Automatic replacement equipment for urinary catheter in nephrology department | |
| CN219700619U (en) | Ear wound drainage device | |
| CN219439464U (en) | Oral cavity opening device suitable for negative pressure suction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |