CN221266785U - Drainage device with negative pressure accurately controlled - Google Patents
Drainage device with negative pressure accurately controlled Download PDFInfo
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- CN221266785U CN221266785U CN202322363036.3U CN202322363036U CN221266785U CN 221266785 U CN221266785 U CN 221266785U CN 202322363036 U CN202322363036 U CN 202322363036U CN 221266785 U CN221266785 U CN 221266785U
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- negative pressure
- drainage
- fixedly connected
- sliding
- pressure box
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- 230000033001 locomotion Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
- 230000001174 ascending effect Effects 0.000 description 5
- 210000001124 body fluid Anatomy 0.000 description 5
- 239000010839 body fluid Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010022773 Intracranial pressure increased Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000009941 intracranial hypertension Diseases 0.000 description 1
- 230000008673 vomiting Effects 0.000 description 1
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Abstract
The utility model discloses a drainage device with negative pressure accurate control, which relates to the technical field of medical equipment and comprises a negative pressure box, a negative pressure adjusting unit, a height adjusting unit and a drainage unit; the negative pressure box is a cuboid cavity interface; the negative pressure adjusting unit comprises a negative pressure cylinder, a top block, a clamping groove, a square frame, a sliding column fixing lug, a sliding column, a clamping through hole and a sliding lug, wherein the bottom ends of the negative pressure cylinder are respectively inserted into the left end and the right end of the top surface of the negative pressure box, the top ends of the negative pressure cylinder can be fixedly connected with the top block in a resolved mode, the clamping grooves are respectively arranged at the bottom surfaces of the two top blocks close to each other, the sliding column fixing lug is fixedly connected with the right side surface of the negative pressure box, a servo motor is used for driving a threaded rod to rotate through accurate rotation, the threaded rod converts rotary motion into linear motion, the corresponding negative pressure cylinder is pulled to form negative pressure in the negative pressure box, the purpose of drainage is achieved, the control is accurate, and the negative pressure effect is good in preventing extra injury.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a drainage device with negative pressure accurately controlled.
Background
The continuous drainage of ventricle is a medical operation name, and is suitable for patients with serious intracranial pressure increase such as frequent vomiting, weak body, hypopsia and the like, which are caused by occupation of the brain room or the back fossa, and the negative pressure type craniocerebral drainage device is mostly adopted during craniocerebral drainage.
Wherein, the prior art has issued an authorized bulletin number of CN217645596U and proposes a negative pressure craniocerebral drainage device. The drainage device comprises a negative pressure drainage tube, one end of the negative pressure drainage tube is in through connection with a drainage sampling tube, a sampling tube one-way valve is arranged in the drainage sampling tube, one end of the drainage sampling tube is connected with a sampling tube orifice plug in a clamping mode, and the other end of the negative pressure drainage tube is in through connection with a drainage end connecting tube. In the utility model, the clamping ring of the drainage end and the clamping ring of the liquid outlet end are pulled apart and respectively sleeved on the connecting pipe of the drainage end and the connecting pipe of the liquid outlet end, then the connecting pipe of the drainage end is sleeved on the connecting pipe of the drainage head to cover the clamping groove of the drainage head, the connecting pipe of the liquid outlet end is sleeved on the connecting pipe of the liquid outlet to cover the clamping groove of the liquid outlet pipe,
However, the negative pressure type craniocerebral drainage device adopts manual control, and cannot achieve accurate, precise and uniform negative pressure, so that the drainage device with accurate negative pressure control is provided.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the negative pressure accurate control drainage device, the servo motor is adopted to drive the threaded rod to rotate through accurate rotation, the threaded rod converts rotary motion into linear motion, the corresponding negative pressure cylinder is pulled to form negative pressure in the negative pressure box, the purpose of drainage is achieved, the control is accurate, the negative pressure effect is good, additional injury is prevented, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the drainage device comprises a negative pressure box, a negative pressure adjusting unit, a height adjusting unit and a drainage unit;
Negative pressure box: is a cuboid cavity interface;
Negative pressure adjusting unit: the negative pressure box comprises a negative pressure cylinder, a jacking block, clamping grooves, a square frame, a sliding column fixing lug, a sliding column, clamping rods, clamping through holes and sliding lugs, wherein the left end and the right end of the top surface of the negative pressure box are respectively inserted into the bottom ends of the negative pressure cylinder, the top ends of the negative pressure cylinder can be fixedly connected with the jacking block in a distinguishing mode, the clamping grooves are respectively formed in the positions, close to each other, of the bottom surfaces of the two jacking blocks, the top ends of the right side surfaces of the negative pressure box are fixedly connected with the sliding column fixing lug, the sliding column fixing lug is fixedly connected with the bottom end of the sliding column, the sliding column is in sliding connection with the sliding lug, the sliding lug is fixedly connected with the middle part of a section of the square frame, the clamping through holes are respectively formed in positions, corresponding to the square frame and the clamping grooves, and the clamping rods penetrate through the clamping through holes;
Height adjusting unit: the negative pressure box is arranged at the bottom of the negative pressure box;
drainage unit: is arranged on the right end face of the negative pressure box.
The negative pressure cylinder forms negative pressure through self tensile, and the kicking block is used for opening the joint groove, and the joint groove is used for joint rod, and the joint rod passes the joint hole on the square frame and rises along with the ascending drive kicking block of square frame, drives the extension of negative pressure cylinder afterwards and forms negative pressure, and the strut fixed ear is used for installing the strut, and strut and slip ear keep the stability that the square frame goes up and down.
Further, negative pressure adjustment unit still contains thread bush, threaded rod and threaded rod installation ear, the left surface top middle part fixed connection threaded rod installation ear of negative pressure case, the threaded rod installation ear rotates the bottom of connecting the threaded rod, threaded rod threaded connection thread bush, the left end middle part of thread bush fixed connection square frame.
The threaded rod mounting lug is used for mounting the threaded rod, and the threaded rod and the threaded sleeve convert rotary motion into up-and-down motion in the plumb direction.
Further, the negative pressure adjusting unit further comprises a driven gear, a motor mounting plate, a motor and a driving gear, the driven gear is fixedly connected to the lower side of the threaded rod, the driving gear is connected with the driven gear in a meshed mode, the middle of the bottom surface of the driving gear is fixedly connected with an output shaft of the motor, the bottom end of the motor is fixedly connected with the left end of the motor mounting plate, the left end of the motor mounting plate is fixedly connected with the corresponding position of the left side face of the negative pressure box, and the input end of the motor is electrically connected with an external power supply through an external control switch group.
The motor mounting plate is used for mounting a motor, the motor is used for providing rotary power to drive the driving gear to rotate, the driving gear drives the driven gear, and the driven gear drives the threaded rod to rotate.
Further, the height adjusting unit comprises a hydraulic cylinder, a base, a sliding sleeve and a sliding rod, wherein the middle part of the bottom surface of the negative pressure box is fixedly connected with the top end of the hydraulic cylinder, the middle part of the bottom end of the hydraulic cylinder is fixedly connected with the middle part of the upper surface of the base, the middle parts of the bottom ends of the front side and the rear side surfaces of the negative pressure box are respectively fixedly connected with the sliding sleeve, the sliding sleeves are respectively and slidably connected with the sliding rod, the bottom ends of the sliding rods are respectively and fixedly connected with the corresponding positions of the upper surface of the base, and the input end of the hydraulic cylinder is electrically connected with an external power supply through an external control switch group.
The pneumatic cylinder is used for adjusting the height of negative pressure case, is convenient for adapt to different heights, and the base is used for stable placing, and sliding sleeve and slide bar keep high regulation to make stability.
Further, the drainage unit comprises a drainage tube, a drainage cavity and a drainage check valve, the middle part of the right side surface of the negative pressure box is inserted with the drainage tube, the middle part of the drainage tube is connected with the top of the side surface of the drainage cavity in series, and the right end of the drainage tube is provided with the drainage check valve.
The drainage tube is used for drainage, and body fluid to be drawn out remains in drainage intracavity bottom under the effect of gravity, and the drainage check valve is placed and is flowed backwards.
Further, the negative pressure tank comprises an auxiliary valve and an auxiliary pipe, wherein the auxiliary pipe is inserted in the middle of the left side face of the negative pressure tank, and the left end of the auxiliary pipe is fixedly connected with the auxiliary valve.
The auxiliary pipe is used for connecting an auxiliary valve, and the auxiliary valve is used for balancing internal and external air pressure.
Compared with the prior art, the utility model has the beneficial effects that: this drainage device of accurate control of negative pressure has following benefit:
1. This drainage device of accurate control of negative pressure adopts servo motor's rotation to drive the threaded rod rotation, and the threaded rod is with rotary motion conversion into elevating movement, utilizes servo motor's accurate characteristic simultaneously, and accurate control elevating amplitude produces corresponding pressure, furthest protection patient.
2. The drainage device with the accurate negative pressure control adopts the square frame and the clamping column to lift one or two negative pressure cylinders to respectively generate one time and two times of negative pressure forming speed, is suitable for different patients and other different applicable scenes, and enlarges the use scene.
3. This drainage device of accurate control of negative pressure has installed the drainage chamber at the mid-mounting of drainage tube for the body fluid that drains gets into the drainage chamber because of the bottom of staying in the drainage chamber of gravity, makes the body fluid can not get into the negative pressure case.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic view of a partial enlarged structure at a in fig. 1 according to the present utility model.
In the figure: the device comprises a negative pressure box 1, a negative pressure adjusting unit 2, a negative pressure cylinder 21, a top block 22, a clamping groove 23, a square frame 24, a sliding column fixing lug 25, a sliding column 26, a clamping through hole 27, a sliding lug 28, a threaded sleeve 29, a threaded rod 210, a threaded rod mounting lug 211, a driven gear 212, a motor mounting plate 213, a motor 214, a driving gear 215, a height adjusting unit 3, a hydraulic cylinder 31, a base 32, a sliding sleeve 33, a sliding rod 34, a drainage unit 4, a drainage tube 41, a drainage cavity 42, a drainage check valve 43, an auxiliary valve 5 and an auxiliary pipe 6.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present embodiment provides the following technical solutions: the drainage device with the negative pressure accurately controlled comprises a negative pressure box 1, a negative pressure adjusting unit 2, a height adjusting unit 3 and a drainage unit 4;
Negative pressure tank 1: is a cuboid cavity interface;
Negative pressure adjusting unit 2: the negative pressure box comprises a negative pressure air cylinder 21, a top block 22, clamping grooves 23, a square frame 24, a sliding column fixing lug 25, a sliding column 26, clamping rods, clamping through holes 27 and sliding lugs 28, wherein the left end and the right end of the top surface of the negative pressure box 1 are respectively inserted and arranged at the bottom end of the negative pressure air cylinder 21, the top end of the negative pressure air cylinder 21 can be fixedly connected with the top block 22 in a distinguishing mode, the bottom surfaces of the two top blocks 22 are mutually close to each other, the clamping grooves 23 are respectively arranged at the ends of the two top blocks, the top end of the right side surface of the negative pressure box 1 is fixedly connected with the sliding column fixing lug 25, the sliding column fixing lug 25 is fixedly connected with the bottom end of the sliding column 26, the sliding column 26 is in sliding connection with the sliding lug 28, the sliding lug 28 is fixedly connected with the middle part of a section of the square frame 24, the square frame 24 is respectively provided with the clamping through holes 27 corresponding to the clamping grooves 23, and the clamping rods penetrate through the clamping through holes 27;
height adjusting unit 3: is arranged at the bottom of the negative pressure box 1;
The height adjusting unit 3 comprises a hydraulic cylinder 31, a base 32, a sliding sleeve 33 and a sliding rod 34, wherein the middle part of the bottom surface of the negative pressure box 1 is fixedly connected with the top end of the hydraulic cylinder 31, the middle part of the bottom end of the hydraulic cylinder 31 is fixedly connected with the middle part of the upper surface of the base 32, the middle parts of the bottom ends of the front side and the rear side surfaces of the negative pressure box 1 are respectively fixedly connected with the sliding sleeve 33, the sliding sleeve 33 is respectively and slidably connected with the sliding rod 34, the bottom ends of the sliding rod 34 are respectively and fixedly connected with the corresponding positions of the upper surface of the base 32, and the input end of the hydraulic cylinder 31 is electrically connected with an external power supply through an external control switch group.
The hydraulic cylinder 31 is used for adjusting the height of the negative pressure box 1, is convenient for adapt to different heights, the base 32 is used for stable placement, and the sliding sleeve 33 and the sliding rod 34 keep height adjustment so as to be stable.
Drainage unit 4: is arranged on the right end face of the negative pressure box 1.
The drainage unit 4 comprises a drainage tube 41, a drainage cavity 42 and a drainage check valve 43, the drainage tube 41 is inserted in the middle of the right side face of the negative pressure box 1, the middle of the drainage tube 41 is connected with the top of the side face of the drainage cavity 42 in series, and the drainage check valve 43 is arranged at the right end of the drainage tube 41.
The drainage tube 41 is used for drainage, and the body fluid to be led out is reserved at the inner bottom of the drainage cavity 42 under the action of gravity, and the drainage check valve 43 is used for placing backflow.
The negative pressure cylinder 21 forms negative pressure through self stretching, the ejector block 22 is used for opening a clamping groove 23, the clamping groove 23 is used for clamping a clamping rod, the clamping rod passes through a clamping through hole 27 on the square frame 24 and drives the ejector block 22 to ascend along with the ascending of the square frame 24, then the negative pressure cylinder 21 is driven to stretch to form negative pressure, the sliding column fixing lug 25 is used for installing the sliding column 26, and the sliding column 26 and the sliding lug 28 keep the ascending and descending stability of the square frame 24.
The negative pressure adjusting unit 2 further comprises a thread sleeve 29, a threaded rod 210 and a threaded rod mounting lug 211, wherein the threaded rod mounting lug 211 is fixedly connected to the middle of the top of the left side face of the negative pressure box 1, the threaded rod mounting lug 211 is rotationally connected with the bottom end of the threaded rod 210, the threaded rod 210 is in threaded connection with the thread sleeve 29, and the thread sleeve 29 is fixedly connected with the middle of the left end of the square frame 24.
The threaded rod mounting lug 211 is used to mount the threaded rod 210, the threaded rod 210 and the threaded sleeve 29 to convert rotational movement into up and down movement in the plumb direction.
The negative pressure adjusting unit 2 further comprises a driven gear 212, a motor mounting plate 213, a motor 214 and a driving gear 215, the driven gear 212 is fixedly connected to the lower side of the threaded rod 210, the driving gear 215 is meshed and connected with the driven gear 212, the middle part of the bottom surface of the driving gear 215 is fixedly connected with the output shaft of the motor 214, the bottom end of the motor 214 is fixedly connected with the left end of the motor mounting plate 213, the left end of the motor mounting plate 213 is fixedly connected with the corresponding position of the left side surface of the negative pressure box 1, and the input end of the motor 214 is electrically connected with an external power supply through an external control switch group.
The motor mounting plate 213 is used for mounting a motor 214, the motor 214 is used for providing rotary power to drive the driving gear 215 to rotate, the driving gear 215 drives the driven gear 212, and the driven gear 212 drives the threaded rod 210 to rotate.
The negative pressure tank is characterized by further comprising an auxiliary valve 5 and an auxiliary pipe 6, wherein the auxiliary pipe 6 is inserted in the middle of the left side face of the negative pressure tank 1, and the left end of the auxiliary pipe 6 is fixedly connected with the auxiliary valve 5.
The auxiliary pipe 6 is used for connecting an auxiliary valve 5, and the auxiliary valve 5 is used for balancing internal and external air pressure.
The utility model provides a negative pressure accurate control drainage device, which has the following working principle:
The negative pressure cylinder 21 forms negative pressure through self stretching, the ejector block 22 is used for opening a clamping groove 23, the clamping groove 23 is used for clamping a clamping rod, the clamping rod passes through a clamping through hole 27 on the square frame 24 and drives the ejector block 22 to ascend along with the ascending of the square frame 24, then the negative pressure cylinder 21 is driven to stretch to form negative pressure, the sliding column fixing lug 25 is used for installing the sliding column 26, and the sliding column 26 and the sliding lug 28 keep the ascending and descending stability of the square frame 24. The threaded rod mounting lug 211 is used to mount the threaded rod 210, the threaded rod 210 and the threaded sleeve 29 to convert rotational movement into up and down movement in the plumb direction. The motor mounting plate 213 is used for mounting a motor 214, the motor 214 is used for providing rotary power to drive the driving gear 215 to rotate, the driving gear 215 drives the driven gear 212, and the driven gear 212 drives the threaded rod 210 to rotate.
The hydraulic cylinder 31 is used for adjusting the height of the negative pressure box 1, is convenient for adapt to different heights, the base 32 is used for stable placement, and the sliding sleeve 33 and the sliding rod 34 keep height adjustment so as to be stable.
The drainage tube 41 is used for drainage, and the body fluid to be led out is reserved at the inner bottom of the drainage cavity 42 under the action of gravity, and the drainage check valve 43 is used for placing backflow.
It should be noted that the motor 214 disclosed in the above embodiment should be a servo motor, and the external control switch set controls the motor 214 and the hydraulic cylinder 31 to operate by a method commonly used in the art.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. Drainage device of accurate control of negative pressure, its characterized in that: comprises a negative pressure box (1), a negative pressure adjusting unit (2), a height adjusting unit (3) and a drainage unit (4);
negative pressure box (1): is a cuboid cavity interface;
Negative pressure adjusting unit (2): the negative pressure box comprises a negative pressure cylinder (21), a top block (22), clamping grooves (23), a square frame (24), a sliding column fixing lug (25), a sliding column (26), a clamping rod, a clamping through hole (27) and a sliding lug (28), wherein the left end and the right end of the top surface of the negative pressure box (1) are respectively inserted and arranged at the bottom end of the negative pressure cylinder (21), the top ends of the negative pressure cylinder (21) can be respectively and fixedly connected with the top block (22), the bottom surfaces of the two top blocks (22) are mutually close to each other, the clamping grooves (23) are respectively formed in the end, close to the bottom end, of the right side surface of the negative pressure box (1), of the sliding column fixing lug (25) is fixedly connected with the bottom end of the sliding column (26), the sliding column (26) is connected with the sliding lug (28) in a sliding way, the clamping through hole (27) is respectively formed in the position, corresponding to the square frame (24), and the clamping rod passes through the clamping through hole (27);
height adjusting unit (3): is arranged at the bottom of the negative pressure box (1);
drainage unit (4): is arranged on the right end face of the negative pressure box (1).
2. The negative pressure precisely controlled drainage device according to claim 1, wherein: the negative pressure adjusting unit (2) further comprises a threaded sleeve (29), a threaded rod (210) and a threaded rod mounting lug (211), the threaded rod mounting lug (211) is fixedly connected to the middle of the top of the left side face of the negative pressure box (1), the threaded rod mounting lug (211) is rotationally connected with the bottom end of the threaded rod (210), the threaded rod (210) is in threaded connection with the threaded sleeve (29), and the threaded sleeve (29) is fixedly connected with the middle of the left end of the square frame (24).
3. The negative pressure precisely controlled drainage device according to claim 2, wherein: the negative pressure adjusting unit (2) further comprises a driven gear (212), a motor mounting plate (213), a motor (214) and a driving gear (215), wherein the driven gear (212) is fixedly connected to the lower side of the threaded rod (210), the driving gear (215) is connected with the driven gear (212) in a meshed mode, the middle part of the bottom surface of the driving gear (215) is fixedly connected with the output shaft of the motor (214), the bottom end of the motor (214) is fixedly connected with the left end of the motor mounting plate (213), the left end of the motor mounting plate (213) is fixedly connected with the corresponding position of the left side surface of the negative pressure box (1), and the input end of the motor (214) is electrically connected with an external power supply through an external control switch group.
4. The negative pressure precisely controlled drainage device according to claim 1, wherein: the height adjusting unit (3) comprises a hydraulic cylinder (31), a base (32), a sliding sleeve (33) and a sliding rod (34), wherein the middle part of the bottom surface of the negative pressure box (1) is fixedly connected with the top end of the hydraulic cylinder (31), the bottom end of the hydraulic cylinder (31) is fixedly connected with the middle part of the upper surface of the base (32), the middle parts of the bottom ends of the front side and the rear side of the negative pressure box (1) are respectively fixedly connected with the sliding sleeve (33), the sliding sleeve (33) is respectively and slidably connected with the sliding rod (34), the bottom end of the sliding rod (34) is respectively and fixedly connected with the corresponding position of the upper surface of the base (32), and the input end of the hydraulic cylinder (31) is electrically connected with an external power supply through an external control switch group.
5. The negative pressure precisely controlled drainage device according to claim 1, wherein: the drainage unit (4) comprises a drainage tube (41), a drainage cavity (42) and a drainage check valve (43), the drainage tube (41) is inserted in the middle of the right side face of the negative pressure box (1), the middle of the drainage tube (41) is connected with the top of the side face of the drainage cavity (42) in series, and the drainage check valve (43) is arranged at the right end of the drainage tube (41).
6. The negative pressure precisely controlled drainage device according to claim 1, wherein: the negative pressure tank is characterized by further comprising an auxiliary valve (5) and an auxiliary pipe (6), wherein the auxiliary pipe (6) is arranged in the middle of the left side face of the negative pressure tank (1), and the left end of the auxiliary pipe (6) is connected with the auxiliary valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363036.3U CN221266785U (en) | 2023-09-01 | 2023-09-01 | Drainage device with negative pressure accurately controlled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322363036.3U CN221266785U (en) | 2023-09-01 | 2023-09-01 | Drainage device with negative pressure accurately controlled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221266785U true CN221266785U (en) | 2024-07-05 |
Family
ID=91693596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322363036.3U Active CN221266785U (en) | 2023-09-01 | 2023-09-01 | Drainage device with negative pressure accurately controlled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221266785U (en) |
-
2023
- 2023-09-01 CN CN202322363036.3U patent/CN221266785U/en active Active
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