CN110812534A - Disposable syringe type negative pressure drainage device - Google Patents
Disposable syringe type negative pressure drainage device Download PDFInfo
- Publication number
- CN110812534A CN110812534A CN201910747029.9A CN201910747029A CN110812534A CN 110812534 A CN110812534 A CN 110812534A CN 201910747029 A CN201910747029 A CN 201910747029A CN 110812534 A CN110812534 A CN 110812534A
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- CN
- China
- Prior art keywords
- rod
- syringe
- clamping
- negative pressure
- groove
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- 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.)
- Pending
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Classifications
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- A61M1/0023—
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/80—Suction pumps
- A61M1/81—Piston pumps, e.g. syringes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/27—General characteristics of the apparatus preventing use
- A61M2205/273—General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables
Abstract
The invention relates to a disposable syringe type negative pressure drainage device, which comprises a syringe needle cylinder, wherein a piston handle is arranged in the syringe needle cylinder, one end of the piston handle extends out of the syringe needle cylinder, an injection head is arranged at the front end of the syringe needle cylinder, and the injection head is connected with a drainage tube, and the disposable syringe type negative pressure drainage device is characterized in that: the syringe needle cylinder is a semi-cylinder, the cambered surface part of the syringe needle cylinder is provided with scales, the plane part of the syringe needle cylinder is provided with an adhesive layer, and an easily-torn isolation film is covered on the adhesive layer; the rear end of the syringe needle cylinder is provided with a syringe fixing plate, the rear side of the syringe fixing plate is fixedly provided with a U-shaped fixing frame, one frame rod of the U-shaped fixing frame is provided with a clamping rod hole, a positioning clamping rod is movably arranged in the clamping rod hole, and two ends of the positioning clamping rod extend out of the clamping rod hole; the side wall of the piston handle is provided with a plurality of clamping grooves distributed at equal intervals, and the positioning clamping rod can be inserted into or withdrawn from the clamping grooves by pushing and pulling. The invention has the advantages of convenient fixation, good stability and convenient measurement.
Description
Technical Field
The invention relates to the technical field of syringe drainage, in particular to a disposable syringe type negative pressure drainage device.
Background
After the excision of the body surface tumor, some cavities are larger, the exudation is more, the drainage is sufficient or not, the healing of the wound is directly influenced, the negative pressure drainage by adopting a self-made disposable syringe can obviously reduce hematoma, and the primary healing rate of the incision is improved.
The use method of the self-made disposable syringe type negative pressure drainage device comprises the following steps: a disposable venous scalp needle is selected as a drainage tube, a needle head at the front end is cut off, a side hole is cut at the front section (the part in the incision) of the tube wall, then the side hole is placed at the lowest position of the incision for fixing, and the incision is closed. The other end of the scalp needle is connected with a disposable syringe, the piston of the syringe is pulled open to form negative pressure, the needle head of the other syringe is clamped between the piston handle and the syringe wing to clamp the piston and prevent the piston from retracting, thus forming a closed sterile negative pressure drainage device, and the syringe is fixed on the clothes of a patient by an adhesive tape according to the length of a drainage tube. If the wound is large, the middle section of the transfusion device can be taken as a drainage tube, because the diameter of the transfusion device is larger than that of the scalp needle.
The method has the advantages of convenient carrying, sufficient drainage, accurate measurement, convenient postoperative dressing change and drainage liquid suction, convenient local application of postoperative wounds through the drainage tube and the like, but also has the following defects: 1. self-making in the operation is needed, the operation is complicated and the operation time is delayed; 2. it is difficult to evaluate accurately and control the negative pressure; 3. when the device is applied to infant patients, the syringes filled with drainage liquid are not easy to fix due to the large mobility of the infant patients, and the tube is easy to fall off due to the fact that the adhesive tapes are repeatedly torn and pasted when the drainage quantity is checked every shift.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a disposable syringe type negative pressure drainage device which has the advantages of convenience in fixation, good stability and convenience in metering.
According to the technical scheme provided by the invention: disposable syringe formula negative pressure drainage device, including the syringe cylinder, be equipped with the piston handle in the syringe cylinder, outside the one end of piston handle extended to the syringe cylinder, syringe cylinder front end was equipped with the injection head, and the drainage tube, its characterized in that are connected to the injection head: the syringe needle cylinder is a semi-cylinder, the cambered surface part of the syringe needle cylinder is provided with scales, the plane part of the syringe needle cylinder is provided with an adhesive layer, and an easily-torn isolation film is covered on the adhesive layer; the rear end of the syringe needle cylinder is provided with a syringe fixing plate, the rear side of the syringe fixing plate is fixedly provided with a U-shaped fixing frame, one frame rod of the U-shaped fixing frame is provided with a clamping rod hole, a positioning clamping rod is movably arranged in the clamping rod hole, and two ends of the positioning clamping rod extend out of the clamping rod hole; the side wall of the piston handle is provided with a plurality of clamping grooves distributed at equal intervals, and the positioning clamping rod can be inserted into or withdrawn from the clamping grooves by pushing and pulling.
As a further improvement of the invention, a first connecting belt is arranged on one side of the syringe needle cylinder, and a plurality of clamping columns which are distributed at equal intervals are arranged on the first connecting belt; the second connecting band is installed to the opposite side of syringe cylinder, and second connecting band tip is equipped with the connecting seat, be equipped with the card post groove in the connecting seat, the card post groove is used for being connected with card post looks joint, still is provided with the locking mechanical system who is used for locking card post on the connecting seat.
As a further improvement of the invention, the connecting seat is provided with a placing cavity, the locking mechanism is arranged in the placing cavity, a rotating rod is rotatably arranged on the inner wall of one side of the placing cavity, one end of the rotating rod is movably connected with a fixed rod, a fixed hole for communicating the placing cavity and the clamping column groove is arranged between the placing cavity and the clamping column groove, and one end of the fixed rod, which is far away from the rotating rod, is movably arranged in the fixed hole in a penetrating manner; a second spring is fixedly arranged on the side face, deviating from the fixed rod, of one end of the rotating rod, and the other end of the second spring is abutted against the inner wall of the placing cavity; a fixing groove is formed in the side wall of the clamping column, and one end of the fixing rod penetrating through the clamping column groove is matched with the fixing groove; the other end of the rotating rod is movably connected with an operating rod, a push-pull rod hole is formed in the side wall of the placing cavity, and one end, deviating from the rotating rod, of the operating rod penetrates out of the push-pull rod hole to be exposed.
As a further improvement of the invention, one end of the rotating rod is provided with a waist-shaped long hole, one end of the fixed rod is provided with a cylindrical pin, and the cylindrical pin is arranged in the waist-shaped long hole in a penetrating manner and can slide along the waist-shaped long hole.
As a further improvement of the invention, the other end of the rotating rod is provided with a sliding groove, one end of the operating rod is rotatably provided with a sliding block, and the sliding block is slidably arranged in the sliding groove.
As a further improvement of the invention, a limiting groove is formed on the inner wall of the clamping rod hole, a limiting block is fixedly arranged on the positioning clamping rod, and the limiting block is arranged in the limiting groove; the locating clamp rod is sleeved with a first spring, one end of the first spring is connected with the limiting block, and the other end of the first spring is connected to the inner wall of the limiting groove.
As a further improvement of the invention, the first connecting belt and the second connecting belt are both flat woven belts made of nylon, the clamping column is made of metal and is fixedly riveted on the first connecting belt, and the connecting seat is made of metal or engineering plastic.
As a further improvement of the invention, each clamping groove on the piston handle is provided with a corresponding negative pressure scale value.
Compared with the prior art, the invention has the following advantages:
the injector needle cylinder is designed into a semi-cylinder, and the plane part of the injector needle cylinder is stuck to the affected part of the body of a patient when in use, so that the injector needle cylinder is very convenient to fix and has better stability; scales are also arranged on the cambered surface of the syringe needle cylinder, so that the metering is convenient; be equipped with a plurality of draw-in grooves that correspond with the scale on the piston handle lateral wall, the draw-in groove has the locator card pole rather than the cooperation, can make the locator card pole insert the draw-in groove or withdraw from the draw-in groove through the push-and-pull, just so can insert different draw-in grooves with the locator card pole according to the negative pressure drainage requirement, make the syringe cylinder form stable reasonable negative pressure, provide very big facility for the drainage operation.
Drawings
FIG. 1 is a front view of the structure of an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
Fig. 4 is an enlarged cross-sectional view of the connection structure of the connecting seat and the locking post.
Description of reference numerals: 1-syringe needle cylinder, 1 a-injection head, 1b-, 2-piston handle, 2 a-clamping groove, 3-viscose layer, 4-easily torn isolating membrane, 5-drainage tube, 6-U-shaped fixing frame, 6 a-clamping rod hole, 6 b-limiting groove, 7-positioning clamping rod, 8-first connecting belt, 9-clamping column, 9 a-fixing groove, 10-second connecting belt, 11-connecting seat, 11 a-clamping column groove, 11 b-placing cavity, 11 c-fixing hole, 11 d-pushing rod hole, 12-rotating rod, 12 a-waist-shaped long groove, 12 b-sliding groove, 13-fixing rod, 14-second spring, 15-operating rod, 16-first spring, 17-limiting block, 18-cylindrical pin, 19-sliding block.
Detailed Description
The invention is further illustrated by the following specific figures and examples.
As shown in fig. 1 to 3, the embodiment discloses a disposable syringe type negative pressure drainage device, which comprises a syringe needle cylinder 1, wherein a piston handle 2 is arranged in the syringe needle cylinder 1, one end of the piston handle 2 extends out of the syringe needle cylinder 1, an injection head 1a is arranged at the front end of the syringe needle cylinder 1, the injection head 1a is connected with a drainage tube 5, the syringe needle cylinder 1 is a semi-cylinder, the arc surface of the syringe needle cylinder 1 is provided with scales, the plane part of the syringe needle cylinder 1 is provided with a viscose layer 3, and the viscose layer 3 is covered with an easily torn isolation film 4; the rear end of the syringe needle cylinder 1 is provided with a syringe fixing plate 1b, the rear side of the syringe fixing plate 1b is fixedly provided with a U-shaped fixing frame 6, one frame rod of the U-shaped fixing frame 6 is provided with a clamping rod hole 6a, a positioning clamping rod 7 is movably arranged in the clamping rod hole 6a, and two ends of the positioning clamping rod 7 extend out of the clamping rod hole 6 a; the side wall of the piston handle 2 is provided with a plurality of clamping grooves 2a which are distributed at equal intervals, and the positioning clamping rod 7 can be inserted into the clamping grooves 2a or withdrawn from the clamping grooves 2a by pushing and pulling.
When the injector is used, the easily torn isolation film 4 is torn off, the plane part of the injector syringe 1 of the semi-cylinder is pasted on the affected part of the body of a patient and is pasted and fixed through the viscose layer 3; the position of a plurality of draw-in grooves 2a of piston handle 2 corresponds different negative pressure value respectively, the side opening has been cut to 5 anterior segments of drainage tube of the injection head 1a lug connection suitable pipe diameter and length of syringe cylinder 1 front end [ drainage tube, and pack in a wrapping bag alone, conveniently take ], then according to required negative pressure pulling piston handle 2, make the interior negative pressure that forms of syringe cylinder 1, when piston handle 2 pulls suitable position, promote locator card pole 7, make locator card pole 7 block in draw-in groove 2a on piston handle 2. Preferably, each clamping groove 2a on the piston handle 2 is provided with a corresponding negative pressure scale value, so that the negative pressure value selection is more visual and convenient. The number of the clamping grooves 2a on the piston handle 2 can be flexibly set according to needs, and generally speaking, 3-6 clamping grooves 2a are arranged to meet the requirements.
As shown in fig. 1 and 4, in this embodiment, a first connecting belt 8 is installed on one side of the syringe 1, and a plurality of clamping columns 9 are arranged on the first connecting belt 8 at equal intervals; a second connecting band 10 is installed on the other side of the syringe needle cylinder 1, the end part of the second connecting band 10 is provided with a connecting seat 11, a clamping column groove 11a is arranged in the connecting seat 11, the clamping column groove 11a is used for being connected with a clamping column 9 in a clamping mode, and a locking mechanism used for locking the clamping column 9 is further arranged on the connecting seat 11. So set up, first connecting band 8 and second connecting band 10 can be connected with connecting seat 11 through calorie post 9, are convenient for reliably fix the syringe on patient's health, and calorie post 9 inserts in calorie post groove 11a and locks through locking mechanical system, can avoid calorie post 9 slippage.
In this embodiment, the locking mechanism is structurally shown in fig. 4, the connecting seat 11 is provided with a placing cavity 11b, the locking mechanism is arranged in the placing cavity 11b, a rotating rod 12 is rotatably mounted on an inner wall of one side of the placing cavity 11b, one end of the rotating rod 12 is movably connected with a fixing rod 13, a fixing hole 11c for communicating the placing cavity 11b and the column clamping groove 11a is formed between the placing cavity 11b and the column clamping groove 11a, and one end of the fixing rod 13, which is away from the rotating rod 12, is movably inserted into the fixing hole 11 c; a second spring 14 is fixedly arranged on the side surface of one end of the rotating rod 12, which is far away from the fixed rod 13, and the other end of the second spring 14 is abutted against the inner wall of the placing cavity 11 b; a fixing groove 9a is formed in the side wall of the clamping column 9, and one end of the fixing rod 13 penetrating through the clamping column groove 11a is matched with the fixing groove 9 a; the other end of the rotating rod 12 is movably connected with an operating rod 15, a push-pull rod hole 11d is formed in the side wall of the placing cavity 11b, and one end, away from the rotating rod 12, of the operating rod 15 penetrates out of the push-pull rod hole 11d to be exposed.
When the injector is used, the operating rod 15 is pressed, the operating rod 15 moves and drives the rotating rod 12 to rotate, the rotating rod 12 rotates and drives the fixing rod 13 to move, and the proper clamping column 9 is selected to be inserted into the clamping column groove 11a according to the position used by a patient so as to ensure that the injector is fixed stably; then the operating rod 15 is released, the fixing rod 13 is inserted into the fixing groove 9a under the action of the elastic force of the second spring 14, and the clamping column 9 can be effectively prevented from sliding out of the clamping column groove 11 a.
As shown in fig. 4, in the present invention, one end of the rotating rod 12 is provided with a waist-shaped long hole 12a, one end of the fixing rod 13 is provided with a cylindrical pin 18, and the cylindrical pin 18 is inserted into the waist-shaped long hole 12a and can slide along the waist-shaped long hole 12 a. So set up, the fit clearance between fixed orifices 11c and the dead lever 13 can be designed littleer to can let dead lever 13 axial displacement when can keeping on a straight line as far as possible, can insert more accurately in the fixed slot 9a on the card post 9 during the operation.
As shown in fig. 4, in the present invention, the other end of the rotating rod 12 is provided with a sliding slot 12b, one end of the operating rod 15 is rotatably provided with a sliding block 19, and the sliding block 19 is slidably mounted in the sliding slot 12 b. So set up, action bars 15 removes and drives slider 19 and slide in spout 12b, is convenient for bull stick 12's smooth rotation, avoids the card to hinder.
As shown in fig. 3, in the present invention, a limiting groove 6b is formed on an inner wall of the rod-locking hole 6a, a limiting block 17 is fixedly mounted on the positioning rod 7, and the limiting block 17 is disposed in the limiting groove 6 b; the positioning clamp rod 7 is sleeved with a first spring 16, one end of the first spring 16 is connected with a limiting block 17, and the other end of the first spring 16 is connected with the inner wall of the limiting groove 6 b. So set up, when location kelly 7 inserted draw-in groove 2a, first spring 16 can prevent through the elastic force of self that location kelly 7 is unexpected to be deviate from, improves the security of using.
In the invention, the first connecting belt 8 and the second connecting belt 10 are preferably flat woven belts made of nylon, the clamping column 9 is made of metal and is fixedly riveted on the first connecting belt 8, and the connecting seat 11 can be made of metal or engineering plastic. The adhesive layer 3 is the same as the adhesive layer 3 on the existing medical application.
The above description is only for the preferred embodiment of the present invention, and the above specific embodiments are not intended to limit the present invention. Various modifications and alterations may occur to those skilled in the art without departing from the spirit and scope of the invention, and such modifications and alterations should be accorded the broadest interpretation so as to encompass all such modifications and alterations.
Claims (8)
1. Disposable syringe formula negative pressure drainage device including syringe cylinder (1), is equipped with piston handle (2) in syringe cylinder (1), outside the one end of piston handle (2) extended to syringe cylinder (1), syringe cylinder (1) front end was equipped with injection head (1a), and drainage tube (5), its characterized in that are connected in injection head (1 a): the syringe needle cylinder (1) is a semi-cylinder, scales are arranged on the arc surface of the syringe needle cylinder (1), a viscose layer (3) is arranged on the plane of the syringe needle cylinder (1), and an easily-torn isolation membrane (4) is covered on the viscose layer (3); the rear end of the syringe needle cylinder (1) is provided with a syringe fixing plate (1b), the rear side of the syringe fixing plate (1b) is fixedly provided with a U-shaped fixing frame (6), one frame rod of the U-shaped fixing frame (6) is provided with a clamping rod hole (6a), a positioning clamping rod (7) is movably arranged in the clamping rod hole (6a), and two ends of the positioning clamping rod (7) extend out of the clamping rod hole (6 a); the side wall of the piston handle (2) is provided with a plurality of clamping grooves (2a) distributed at equal intervals, and the positioning clamping rod (7) can be inserted into the clamping grooves (2a) or withdrawn from the clamping grooves (2a) by pushing and pulling.
2. The disposable syringe-type negative pressure drainage device according to claim 1, wherein: a first connecting belt (8) is installed on one side of the syringe needle cylinder (1), and a plurality of clamping columns (9) distributed at equal intervals are arranged on the first connecting belt (8); second connecting band (10) are installed to the opposite side of syringe cylinder (1), and second connecting band (10) tip is equipped with connecting seat (11), be equipped with card post groove (11a) in connecting seat (11), card post groove (11a) are used for being connected with card post (9) looks joint, still are provided with the locking mechanical system who is used for locking card post (9) on connecting seat (11).
3. The disposable syringe-type negative pressure drainage device according to claim 2, wherein: the connecting seat (11) is provided with a placing cavity (11b), the locking mechanism is arranged in the placing cavity (11b), a rotating rod (12) is rotatably arranged on the inner wall of one side of the placing cavity (11b), one end of the rotating rod (12) is movably connected with a fixed rod (13), a fixed hole (11c) for communicating the placing cavity (11b) and the clamping column groove (11a) is formed between the placing cavity (11b) and the clamping column groove (11a), and one end, away from the rotating rod (12), of the fixed rod (13) is movably arranged in the fixed hole (11c) in a penetrating mode; a second spring (14) is fixedly arranged on the side face, deviating from the fixed rod (13), of one end of the rotating rod (12), and the other end of the second spring (14) is abutted against the inner wall of the placing cavity (11 b); a fixing groove (9a) is formed in the side wall of the clamping column (9), and one end, penetrating into the clamping column groove (11a), of the fixing rod (13) is matched with the fixing groove (9 a); the other end of the rotating rod (12) is movably connected with an operating rod (15), a push-pull rod hole (11d) is formed in the side wall of the placing cavity (11b), and one end, deviating from the rotating rod (12), of the operating rod (15) penetrates out of the push-pull rod hole (11d) to be exposed.
4. The disposable syringe-type negative pressure drainage device according to claim 3, wherein: one end of the rotating rod (12) is provided with a waist-shaped long hole (12a), one end of the fixed rod (13) is provided with a cylindrical pin (18), and the cylindrical pin (18) penetrates through the waist-shaped long hole (12a) and can slide along the waist-shaped long hole (12 a).
5. The disposable syringe-type negative pressure drainage device according to claim 3, wherein: the other end of the rotating rod (12) is provided with a sliding groove (12b), one end of the operating rod (15) is rotatably provided with a sliding block (19), and the sliding block (19) is slidably arranged in the sliding groove (12 b).
6. The disposable syringe-type negative pressure drainage device according to claim 1, wherein: a limiting groove (6b) is formed in the inner wall of the clamping rod hole (6a), a limiting block (17) is fixedly mounted on the positioning clamping rod (7), and the limiting block (17) is arranged in the limiting groove (6 b); the positioning clamp rod (7) is sleeved with a first spring (16), one end of the first spring (16) is connected with a limiting block (17), and the other end of the first spring (16) is connected to the inner wall of the limiting groove (6 b).
7. The disposable syringe-type negative pressure drainage device according to claim 1, wherein: the first connecting belt (8) and the second connecting belt (10) are flat woven belts made of nylon materials, the clamping columns (9) are made of metal materials and are fixedly riveted on the first connecting belt (8), and the connecting seats (11) are made of metal or engineering plastics.
8. The disposable syringe-type negative pressure drainage device according to claim 1, wherein: and a corresponding negative pressure scale value is arranged at each clamping groove (2a) on the piston handle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910747029.9A CN110812534A (en) | 2019-08-14 | 2019-08-14 | Disposable syringe type negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910747029.9A CN110812534A (en) | 2019-08-14 | 2019-08-14 | Disposable syringe type negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110812534A true CN110812534A (en) | 2020-02-21 |
Family
ID=69547823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910747029.9A Pending CN110812534A (en) | 2019-08-14 | 2019-08-14 | Disposable syringe type negative pressure drainage device |
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| Country | Link |
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| CN (1) | CN110812534A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557084A (en) * | 2020-12-21 | 2021-03-26 | 河南日兆勘测规划设计有限公司 | Engineering reconnaissance is with segmentation device of portable geotechnique's sample |
| CN111494092B (en) * | 2020-05-12 | 2021-11-30 | 河南省中医院（河南中医药大学第二附属医院） | Can collect duct washing unit of waste liquid |
-
2019
- 2019-08-14 CN CN201910747029.9A patent/CN110812534A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111494092B (en) * | 2020-05-12 | 2021-11-30 | 河南省中医院（河南中医药大学第二附属医院） | Can collect duct washing unit of waste liquid |
| CN112557084A (en) * | 2020-12-21 | 2021-03-26 | 河南日兆勘测规划设计有限公司 | Engineering reconnaissance is with segmentation device of portable geotechnique's sample |
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