CN217138776U - Closed negative pressure drainage device - Google Patents
Closed negative pressure drainage device Download PDFInfo
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- CN217138776U CN217138776U CN202122776238.1U CN202122776238U CN217138776U CN 217138776 U CN217138776 U CN 217138776U CN 202122776238 U CN202122776238 U CN 202122776238U CN 217138776 U CN217138776 U CN 217138776U
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Abstract
The utility model discloses a closed negative pressure drainage device, include: the bottom of the extrusion frame is provided with an extrusion plate; the extrusion piece is arranged on the extrusion frame and is arranged towards the extrusion plate, a first transmission end and a second transmission end are respectively arranged on two opposite sides of the extrusion piece, and the first transmission end and the second transmission end are both positioned on the non-extrusion surface of the extrusion piece; the resetting mechanism is arranged between the extrusion piece and the extrusion frame so as to reset the extrusion piece; reciprocating motion mechanism set up in on the extrusion frame, through first drive mechanism and second drive mechanism respectively with first drive end with the second drive end is articulated, in order to drive the extruded piece orientation the stripper plate extrusion is passed through after the extrusion reset mechanism keeps away from, just the second drive end lags behind in first drive end with the stripper plate extrusion or keep away from. Can automatically discharge the liquid in the drainage tube, reduce the burden of medical personnel and has simple and convenient use.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a closed negative pressure drainage device.
Background
Drainage tubes, such as thoracic drainage tube, pericardial drainage tube, abdominal drainage tube, etc., are often left in the wound cavity of a patient after the current surgical operation. The tail end of the drainage tube is connected with a negative pressure drainage ball or a drainage bottle to help postoperative patients to discharge blood, exudates and tissue necrosis liquid in the surgical lacuna, thereby achieving the purpose of accelerating postoperative recovery of the patients. The method is called as a closed negative pressure drainage technology.
Medical staff should carry out drainage every 15-30 minutes on the first day after the surgery, and the drainage process of once needs medical staff to extrude the drainage tube with the hand many times, and until the blood color of drainage is normal, its drainage frequency is higher, and the number of times is more, brings great burden for medical staff.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a closed negative pressure drainage device can discharge the liquid in the drainage tube automatically, alleviates medical personnel's burden, convenience simple to use.
The embodiment of the utility model provides an adopted technical scheme is: closed negative pressure drainage device includes: the bottom of the extrusion frame is provided with an extrusion plate, the extrusion plate is provided with a bearing surface, and the bearing surface is used for placing a drainage tube; the extruding part is arranged on the extruding frame and provided with an extruding surface, the extruding surface faces the receiving surface, a first transmission end and a second transmission end are respectively arranged on two opposite sides of the extruding part, and the first transmission end and the second transmission end are both positioned on the non-extruding surface of the extruding part; the reciprocating motion mechanism is arranged on the extrusion frame and is respectively in transmission connection with the first transmission end and the second transmission end through the first transmission mechanism and the second transmission mechanism so as to drive the extrusion surface to face the bearing surface to extrude, and the second transmission end lags behind the first transmission end and extrudes or keeps away from the extrusion plate.
According to the utility model discloses closed negative pressure drainage device has following beneficial effect at least: the drainage tube is placed on the extrusion plate along the direction from the first transmission end to the second transmission end, the reciprocating mechanism drives the extrusion piece connected with the first transmission end to descend onto the extrusion plate and extrude the drainage tube on the extrusion plate, then the extrusion piece connected with the second transmission end also descends onto the extrusion plate and extrudes the drainage tube on the extrusion plate, and in the process, liquid in the drainage tube between the first transmission end and the second transmission end is discharged from the direction of the second transmission end; then the extrusion part connected with the first transmission end ascends through the reset mechanism and is far away from the extrusion plate, and finally the extrusion part connected with the first transmission end ascends through the reset mechanism and is far away from the extrusion plate; the extrusion-separation process is repeated, so that the blood in the drainage tube is automatically discharged, the burden of medical staff is reduced, and the use is more convenient.
According to some embodiments of the utility model, reciprocating motion mechanism includes rotating member, drive arrangement and canceling release mechanical system, be equipped with the arch on the periphery of rotating member, the periphery of rotating member with first drive mechanism with the transmission of second drive mechanism links to each other, first drive mechanism with second drive mechanism passes through canceling release mechanical system slide set up in on the extrusion frame, and only can follow the extruded article extremely slide from top to bottom in the stripper plate direction, and respectively with first drive end with the second drive end is articulated, drive arrangement with the rotation center transmission of rotating member links to each other, with the drive the rotating member is rotatory, and the direction of rotation is first drive mechanism extremely the second drive mechanism direction.
According to the utility model discloses a some embodiments, the rotating member is the cam, the cam includes main aspects, tip and changeover portion, the main aspects with the tip sets up with the axle center, the main aspects with link to each other through the changeover portion between the tip, the diameter of main aspects is R, the diameter of tip is R, and R is greater than R, the changeover portion is followed the tip extremely the diameter of tip direction is become R by R gradually.
According to some embodiments of the present invention, the number of the rotating members is two, and the rotating members are respectively connected to the first transmission mechanism and the second transmission mechanism.
According to some embodiments of the utility model, both sides on the extruded article all are equipped with the chamfer, two the line of chamfer with first transmission end with the line syntropy setting of second transmission end, and be located the extruded article with on the extrusion surface of stripper plate.
According to some embodiments of the utility model, the stripper plate is the semicircular groove, the semicircular groove is followed first transmission end extremely the setting of second transmission end direction, the extrusion article is semi-circular arch, semi-circular arch is followed first transmission end extremely the setting of second transmission end direction, just semi-circular arch can with the semicircular groove is laminated mutually.
According to the utility model discloses a some embodiments, canceling release mechanical system is the spring, the spring vertical set up in the extruded article with between the extrusion frame.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a closed negative pressure drainage device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a schematic view of the cam of the closed negative pressure drainage device according to the embodiment of the present invention.
Reference numerals: 100-an extrusion frame; 110-an extrusion plate; 200-extrusion; 210-a first transmission end; 220-a second drive end; 300-a reciprocating mechanism; 310-a first transmission mechanism; 320-a second transmission mechanism; 330-a rotating member; 331-big end; 332-small end; 333-transition section; 340-a drive device; 350-a reset mechanism.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
Referring to fig. 1 and 2, in some embodiments of the present invention, a closed negative pressure drainage device comprises:
the bottom of the extrusion frame 100 is provided with an extrusion plate 110, and the extrusion plate 110 is provided with a bearing surface for placing a drainage tube;
the extrusion piece 200 is arranged on the extrusion frame 100, the extrusion piece 200 is provided with an extrusion surface, the extrusion surface is arranged towards the bearing surface, two opposite sides of the extrusion piece 200 are respectively provided with a first transmission end 210 and a second transmission end 220, and the first transmission end 210 and the second transmission end 220 are both positioned on the non-extrusion surface of the extrusion piece 200;
the reciprocating mechanism 300 is disposed on the extrusion frame 100, and is respectively connected to the first transmission end 210 and the second transmission end 220 through the first transmission mechanism 310 and the second transmission mechanism 320 to drive the extrusion surface to extrude toward the receiving surface, and the second transmission end 220 lags behind the first transmission end 210 to extrude or separate from the extrusion plate 110. Specifically, the drainage tube is placed on the extrusion plate 110 along the direction from the first transmission end 210 to the second transmission end 220, the reciprocating mechanism 300 drives the extrusion member 200 connected with the first transmission end 210 to descend onto the extrusion plate 110 and extrude the drainage tube on the extrusion plate 110, then the extrusion member 200 connected with the second transmission end 220 also descends onto the extrusion plate 110 and extrudes the drainage tube on the extrusion plate 110, and in the process, the liquid in the drainage tube between the first transmission end 210 and the second transmission end 220 is discharged from the direction of the second transmission end 220; the extrusion piece 200 connected with the first transmission end 210 ascends under the driving of the reciprocating mechanism 300 and is far away from the extrusion plate 110, and finally the extrusion piece 200 connected with the first transmission end 210 ascends under the driving of the reciprocating mechanism 300 and is far away from the extrusion plate 110, so that negative pressure is formed in the extruded drainage tube in the process, and liquid in the drainage tube in the direction of the first transmission end 210 is extracted by the negative pressure; the extrusion-separation process is repeated, so that the blood in the drainage tube is automatically discharged, the burden of medical staff is reduced, and the use is more convenient.
Referring to fig. 1, in some embodiments of the present invention, according to some embodiments of the present invention, the reciprocating mechanism 300 includes a rotating member 330, a driving device 340 and a reset mechanism 350, a protrusion is disposed on a circumferential surface of the rotating member 330, the circumferential surface of the rotating member 330 is in transmission connection with the first transmission mechanism 310 and the second transmission mechanism 320, the first transmission mechanism 310 and the second transmission mechanism 320 are slidably disposed on the extrusion frame 100 through the reset mechanism 350, and can only slide up and down along the direction from the extrusion member 200 to the extrusion plate 110, and are respectively hinged to the first transmission end 210 and the second transmission end 220, the driving device 340 is in transmission connection with a rotation center of the rotating member 330, so as to drive the rotating member 330 to rotate, and the rotation direction is the direction from the first transmission mechanism 310 to the second transmission mechanism 320.
Specifically, the rotating member 330 is driven by the driving device 340 to move, and drives the first transmission mechanism 310 and the second transmission mechanism 320 to move through the protrusion, so as to change the distance from the contact surface of the rotating member 330 and the first transmission mechanism 310 to the extrusion plate 110, the distance is L1 when the protrusion does not pass, the distance is L2 when the protrusion passes, the distance is L3 after the protrusion passes, wherein L1 and L3 are both greater than L2, when the distance is gradually changed from L1 to L2, the first transmission end 210 of the extrusion member 200 gradually extrudes the drainage tube, when the distance is L2, the first transmission end 210 of the extrusion member 200 completely compresses the drainage tube, after the first transmission end 210 completely extrudes the drainage tube, the second transmission mechanism 320 repeats the flow of the first transmission mechanism 310, the drainage tube is completely extruded through the second transmission end 220 of the extrusion member 200, the first transmission mechanism 310 keeps the distance at L2 during the process, and after the drainage tube extrusion of the drainage tube of the extrusion member 200 is completely, the distance between the contact surface of the first transmission mechanism 310 and the rotating member 330 is changed from L2 to L3, so that the first transmission end 210 of the extrusion member 200 is far away from the extrusion tube under the driving of the reset mechanism 350, the negative pressure extraction of the liquid in the human body is realized, and the second extrusion member 200 repeats the flow of the first transmission mechanism 310 to complete one extrusion.
Referring to fig. 3, in some embodiments of the present invention, according to some embodiments of the present invention, the rotating member 330 is a cam, the cam includes a big end 331, a small end 332 and a transition section 333, the big end 331 and the small end 332 are coaxially disposed, the big end 331 and the small end 332 are connected through the transition section 333, the diameter of the big end 331 is R, the diameter of the small end 332 is R, R is greater than R, and the transition section 333 is gradually changed into R from R along the diameter of the small end 332 to the big end 331.
Specifically, when the cam rotates, the distances from the contact surface of the extrusion piece 200 and the first transmission mechanism 310 to the extrusion plate 110 are L1 and L3 through the small end 332, and the distance from the contact surface of the extrusion piece 200 and the first transmission mechanism 310 to the extrusion plate 110 is L2 through the large end 331, so that the drainage tube on the extrusion plate 110 is extruded by the extrusion piece 200, the drainage operation is automated, and the medical staff can use the drainage tube more conveniently.
In some embodiments of the present invention, the number of the rotating members 330 is two, and the two rotating members are respectively in transmission connection with the first transmission mechanism 310 and the second transmission mechanism 320.
Specifically, the two rotating members 330 are used for respectively driving the first transmission mechanism 310 and the second transmission mechanism 320, and a large single cam is not needed during use, so that the structure is more compact, and the use is more convenient.
Referring to fig. 1 and 2, in some embodiments of the present invention, both sides of the extrusion member 200 are provided with chamfers, and a connection line of the two chamfers is arranged in the same direction as a connection line of the first transmission end 210 and the second transmission end 220 and is located on the extrusion surfaces of the extrusion member 200 and the extrusion plate 110.
Particularly, by arranging the chamfer, the drainage tube is not damaged due to the fact that the chamfer is too sharp when the drainage tube is extruded by the extrusion piece 200, and the use is safer.
Referring to fig. 1, in some embodiments of the present invention, the extrusion plate 110 is a semicircular groove, the semicircular groove is disposed along a direction from the first transmission end 210 to the second transmission end 220, the extrusion member 200 is a semicircular protrusion, the semicircular protrusion is disposed along a direction from the first transmission end 210 to the second transmission end 220, and the semicircular protrusion can be attached to the semicircular groove.
Particularly, the drainage tube can be placed in the semicircular groove on the extrusion plate 110 more conveniently, the drainage tube is more conveniently positioned, and the drainage tube is more convenient to use.
Referring to fig. 1 and 2, in some embodiments of the present invention, the return mechanism 350 is a spring that is vertically disposed between the extrusion member 200 and the extrusion frame 100. The reset is realized through the spring, the structure is simple, and the cost is low.
The present invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.
Claims (7)
1. A closed negative pressure drainage device, comprising:
the drainage tube extruding device comprises an extruding frame (100), wherein an extruding plate (110) is arranged at the bottom of the extruding frame, a bearing surface is arranged on the extruding plate (110), and the bearing surface is used for placing a drainage tube;
the extruding part (200) is arranged on the extruding frame (100), the extruding part (200) is provided with an extruding surface, the extruding surface faces the bearing surface, two opposite sides of the extruding part (200) are respectively provided with a first transmission end (210) and a second transmission end (220), and the first transmission end (210) and the second transmission end (220) are both positioned on the non-extruding surface of the extruding part (200);
the reciprocating mechanism (300) is arranged on the extrusion frame (100) and is respectively in transmission connection with the first transmission end (210) and the second transmission end (220) through a first transmission mechanism (310) and a second transmission mechanism (320) so as to drive the extrusion surface to extrude the bearing surface, and the second transmission end (220) lags behind the first transmission end (210) and the extrusion plate (110) to extrude or separate from each other.
2. The closed negative pressure drainage device according to claim 1, wherein: the reciprocating mechanism (300) comprises a rotating piece (330), a driving device (340) and a resetting mechanism (350), the circumferential surface of the rotating piece (330) is provided with a bulge, the circumferential surface of the rotating piece (330) is in transmission connection with the first transmission mechanism (310) and the second transmission mechanism (320), the first transmission mechanism (310) and the second transmission mechanism (320) are arranged on the extrusion frame (100) in a sliding way through the reset mechanism (350), and can slide up and down only in the direction from the pressing member (200) to the pressing plate (110), and are respectively hinged with the first transmission end (210) and the second transmission end (220), the driving device (340) is in transmission connection with the rotation center of the rotating member (330), so as to drive the rotating member (330) to rotate, and the rotating direction is from the first transmission mechanism (310) to the second transmission mechanism (320).
3. The closed negative pressure drainage device according to claim 2, wherein: the rotating member (330) is a cam, the cam comprises a large end (331), a small end (332) and a transition section (333), the large end (331) and the small end (332) are coaxially arranged, the large end (331) is connected with the small end (332) through the transition section (333), the diameter of the large end (331) is R, the diameter of the small end (332) is R, R is larger than R, and the diameter of the transition section (333) along the direction from the small end (332) to the large end (331) is gradually changed into R from R.
4. The closed negative pressure drainage device according to claim 2, wherein: the number of the rotating pieces (330) is two, and the rotating pieces are respectively in transmission connection with the first transmission mechanism (310) and the second transmission mechanism (320).
5. The closed negative pressure drainage device according to any one of claims 1 to 4, wherein: both sides on the extruded piece (200) all are equipped with the chamfer, two the line of chamfer with first transmission end (210) with the line syntropy setting of second transmission end (220), and be located extruded piece (200) with on the extrusion face of stripper plate (110).
6. The closed negative pressure drainage device according to any one of claims 1 to 4, characterized in that: the extrusion board (110) is the semicircle groove, the semicircle groove is followed first transmission end (210) extremely second transmission end (220) direction sets up, extruded article (200) are the semicircle arch, the semicircle arch is followed first transmission end (210) extremely second transmission end (220) direction sets up, just the semicircle arch can with the semicircle groove is laminated mutually.
7. The closed negative pressure drainage device according to any one of claims 2 to 4, wherein: the reset mechanism (350) is a spring, and the spring is vertically arranged between the extrusion piece (200) and the extrusion frame (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122776238.1U CN217138776U (en) | 2021-11-12 | 2021-11-12 | Closed negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122776238.1U CN217138776U (en) | 2021-11-12 | 2021-11-12 | Closed negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217138776U true CN217138776U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122776238.1U Active CN217138776U (en) | 2021-11-12 | 2021-11-12 | Closed negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217138776U (en) |
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2021
- 2021-11-12 CN CN202122776238.1U patent/CN217138776U/en active Active
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