CN210904422U - Novel syringe for cancer chemotherapy - Google Patents
Novel syringe for cancer chemotherapy Download PDFInfo
- Publication number
- CN210904422U CN210904422U CN201920845709.XU CN201920845709U CN210904422U CN 210904422 U CN210904422 U CN 210904422U CN 201920845709 U CN201920845709 U CN 201920845709U CN 210904422 U CN210904422 U CN 210904422U
- Authority
- CN
- China
- Prior art keywords
- injection
- cancer chemotherapy
- core rod
- core bar
- injection tube
- 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.)
- Expired - Fee Related
Links
- 238000002512 chemotherapy Methods 0.000 title claims abstract description 18
- 206010028980 Neoplasm Diseases 0.000 title claims abstract description 16
- 201000011510 cancer Diseases 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 claims abstract description 56
- 239000007924 injection Substances 0.000 claims abstract description 56
- 238000013016 damping Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000003814 drug Substances 0.000 abstract description 10
- 239000012528 membrane Substances 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 229940044683 chemotherapy drug Drugs 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 201000007270 liver cancer Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 208000002154 non-small cell lung carcinoma Diseases 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 208000029729 tumor suppressor gene on chromosome 11 Diseases 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a novel syringe for cancer chemotherapy, constitute including injection tube, piston and core bar, the injection tube tail end has the flange, the one end that the injection tube was kept away from to the core bar is equipped with the operation portion, be equipped with a circular shape end cover on the tail end mouth of injection tube, the end cover comprises circular shape apron and barrel, be equipped with the external screw thread on the barrel, the internal thread on external screw thread and the injection tube tail end mouth is connected, the apron center is equipped with the core bar through-hole, core bar through-hole and core bar cooperation, is equipped with a plurality of bleeder vent around the core bar through-hole, be equipped with filtration circle piece on the apron inboard, the last face of filtration circle piece is equipped with ventilative damping circle membrane, and ventilative damping circle is epimembranal to be equipped with metal mesh ring. The utility model discloses can help medical personnel to control injection speed and injection pressure when injecting the medicine through making air damping, medicine injection success rate when improving cancer chemotherapy.
Description
Technical Field
The utility model relates to an injector, in particular to a novel injector for cancer chemotherapy.
Background
Most chemotherapeutic drugs are injectable, such as conlaite injection. The Kanlet injection is a chemotherapy medicine with the effects of diminishing inflammation, resolving masses, tonifying qi and nourishing yin, and can be used for the auxiliary treatment of cancers, primary liver cancers, non-small cell lung cancers and the like. The blood vessels of the patient are embrittled due to long-term injection or chemotherapy. In clinical work, most medical staff are inexperienced in the aspects of application, operation and the like, and under the conditions of high injection speed and high pressure, the leakage phenomenon is easy to occur, so that local red swelling and pain with different degrees are caused, even tissue necrosis is caused, and the medicine injection failure is caused. Therefore, chemotherapy injection requires strict and standard operation of medical staff, and injection speed and injection pressure are controlled when injecting drugs. A high-pressure injector is introduced in Chinese patent with the patent number of CN201420478415.5, and comprises an injector body and a push-pull ring, wherein the injector comprises an injection cylinder and a push rod, the push rod is inserted in the injection cylinder, one end of the push rod, which is far away from the injection cylinder, is provided with an operation part, a mounting seat is arranged below the push-pull ring, the middle part of the mounting seat is provided with a through groove matched with the operation part, and one surface of the mounting seat, which is far away from the push-pull ring, is provided with a hollow groove matched with the outer diameter of. The utility model has the advantages of replacing the hand push handle with the push-pull ring, the operation is convenient, but inexperienced medical personnel still are difficult to control injection speed and injection pressure when injecting the medicine.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems existing in the prior art and provides a novel injector for cancer chemotherapy, which helps medical staff to control the injection speed and the injection pressure when injecting drugs.
The utility model provides a technical scheme that its technical problem adopted: the utility model provides a novel syringe for cancer chemotherapy, includes injection tube, piston and core bar and constitutes, the injection tube tail end has the flange, the one end that the injection tube was kept away from to the core bar is equipped with the operation portion, be equipped with a circular shape end cover on the tail end mouth of injection tube, the end cover comprises circular shape apron and barrel, be equipped with the external screw thread on the barrel, the internal thread on external screw thread and the injection tube tail end mouth is connected, the apron center is equipped with the core bar through-hole, core bar through-hole and core bar cooperation, is equipped with a plurality of bleeder vent around the core bar through-hole, be equipped with the filtration circle piece on the apron inboard, the filtration circle piece upper face is equipped with ventilative damping circle membrane, is equipped with metal mesh circle lid on the ventilative.
For further improvement, the diameter of the cover plate is larger than the diameter of the outer circle of the cylinder, and friction grains for assisting screwing are arranged on the edge of the cover plate.
Further perfect, the operation portion includes an ellipse plate, and the major axis both ends of ellipse plate respectively are equipped with a notch, pass through the pull ring in the notch, are equipped with the mount pad on the pull ring, the draw-in groove with the core bar adaptation is seted up at the mount pad middle part.
Further perfection, the inner side of the pull ring is provided with a rubber pad, and the rubber pad is arranged right opposite to the mounting seat.
Further perfection, the two sides of the injection tube on the left of the flange are provided with supporting rib plates which facilitate the pulling out of the core rod.
Further perfection, the support rib plate is perpendicular to the flange, and one side of the support rib plate facing the flange is provided with a concave arc part.
Further perfecting, the core bar is provided with four triangular reinforcing ribs at one end of the injection tube connected with the piston, and the four reinforcing ribs are in a cross structure around the core bar.
The utility model discloses profitable effect is: 1. the end cover is arranged on the tail port of the injection tube, the air holes and the air-permeable damping ring membrane are arranged on the end cover, air damping is formed during injection, and the medical personnel can conveniently control the injection speed and the injection pressure; 2. the air filtering ring piece is arranged in the end cover of the utility model, so as to ensure the sanitation of the interior of the injection tube when the injector is unsealed and injected, and the injector can be reused; 3. the utility model is convenient for medical personnel to carry out injection operation by arranging the supporting rib plates at the two sides of the injection tube and arranging the pull ring at the operation part; 4. the utility model discloses an end cover and pull ring can be dismantled and retrieve, save the resource.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a schematic view of an elliptical plate configuration;
FIG. 4 is a front view of the pull ring and the mounting base;
FIG. 5 is a side view of the tab and the mounting base;
FIG. 6 is a schematic view of the structure of the support rib;
description of reference numerals: 1. the cylinder comprises a syringe barrel, 11, internal threads, 2, a piston, 3, a core rod, 31, reinforcing ribs, 4, a flange, 5, an operation part, 51, an oval plate, 52, a notch, 53, a pull ring, 54, a mounting seat, 55, a clamping groove, 56, a rubber pad, 6, an end cover, 7, a cover plate, 71, a core rod through hole, 72, an air vent, 73, an air filtering ring piece, 74, an air-permeable damping ring membrane, 75, a metal mesh ring cover, 76, friction lines, 8, a cylinder body, 81, external threads, 82, a clamping hook, 9, a supporting rib plate, 91 and a concave arc part.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
with reference to the accompanying drawings: the embodiment of the novel syringe for cancer chemotherapy comprises a syringe 1, a piston 2 and a core rod 3, the tail end of the injection tube 1 is provided with a flange 4, one end of the core bar 3 far away from the injection tube 1 is provided with an operating part 5, a round end cover 6 is arranged on the tail end opening of the injection tube 1, the end cover 6 consists of a round cover plate 7 and a cylinder body 8, the cylinder body 8 is provided with an external thread 81, the external thread 81 is connected with the internal thread 11 on the tail port of the injection cylinder 1, the center of the cover plate 7 is provided with a core rod through hole 71, the core rod through hole 71 is matched with the core rod 3, a plurality of air holes 72 are arranged around the core rod through hole 71, the inner side of the cover plate 7 is provided with an air filtering ring piece 73, an air-permeable damping ring film 74 is arranged on the air filtering ring piece 73, a metal mesh ring cover 75 is arranged on the air-permeable damping ring film 74, and the metal mesh ring cover 75 is fixed through a clamping hook 82 on the inner wall of the cylinder 8.
When the medical injection device is used, medical staff firstly unscrew the end cover 6, remove the sealing of the injection tube 1, then pull the piston 2 by the core rod 3 to extract liquid medicine, discharge the air in the injection tube 1, then unscrew the end cover 6, and finally carry out liquid medicine injection operation on a patient, during injection, the outside air enters from the air holes 72 on the end cover 6, the air filtering ring pieces 73 carry out filtration treatment on the air, and then the air damping ring membranes 74 form air damping, so that the injection speed of the liquid medicine is slow, the injection pressure is stable, and the success rate of the injection is improved.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (7)
1. The utility model provides a novel syringe for cancer chemotherapy, includes injection tube (1), piston (2) and core bar (3) and constitutes, injection tube (1) tail end has flange (4), the one end that injection tube (1) was kept away from in core bar (3) is equipped with operation portion (5), characterized by: the injection cylinder is characterized in that a circular end cover (6) is arranged on a tail end opening of the injection cylinder (1), the end cover (6) is composed of a circular cover plate (7) and a cylinder body (8), external threads (81) are arranged on the cylinder body (8), the external threads (81) are connected with internal threads (11) on the tail end opening of the injection cylinder (1), a core rod through hole (71) is formed in the center of the cover plate (7), the core rod through hole (71) is matched with a core rod (3), a plurality of air holes (72) are formed in the periphery of the core rod through hole (71), an air filtering ring piece (73) is arranged on the inner side of the cover plate (7), an air permeable damping ring film (74) is arranged on the air filtering ring piece (73), a metal mesh ring cover (75) is arranged on the air permeable damping ring film (74), and the metal mesh ring cover (.
2. The novel syringe for cancer chemotherapy as claimed in claim 1, wherein: the diameter of the cover plate (7) is larger than the diameter of the outer circle of the cylinder body (8), and friction grains (76) used for assisting screwing are arranged on the edge of the cover plate (7).
3. The novel syringe for cancer chemotherapy as claimed in claim 1, wherein: the operating part (5) comprises an elliptical plate (51), two notches (52) are respectively arranged at two ends of a long shaft of the elliptical plate (51), a pull ring (53) passes through the notches (52), a mounting seat (54) is arranged on the pull ring (53), and a clamping groove (55) matched with the core rod (3) is formed in the middle of the mounting seat (54).
4. A novel cancer chemotherapy syringe as claimed in claim 3, wherein: the inner side of the pull ring (53) is provided with a rubber pad (56), and the rubber pad (56) is arranged right opposite to the mounting seat (54).
5. The novel syringe for cancer chemotherapy as claimed in claim 1, wherein: and supporting rib plates (9) which are convenient for pulling out the core rod (3) are arranged on two sides of the injection cylinder (1) on the left side of the flange (4).
6. The novel syringe for cancer chemotherapy as claimed in claim 5, wherein: the supporting rib plate (9) is perpendicular to the flange (4), and one side, facing the flange (4), of the supporting rib plate (9) is provided with a concave arc part (91).
7. The novel syringe for cancer chemotherapy as claimed in claim 1, wherein: the plunger (2) is connected with the plunger (2) in the injection cylinder (1) through the core rod (3), one end of the core rod (3) is provided with four triangular reinforcing ribs (31), and the four reinforcing ribs (31) are in a cross structure around the core rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845709.XU CN210904422U (en) | 2019-05-30 | 2019-05-30 | Novel syringe for cancer chemotherapy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920845709.XU CN210904422U (en) | 2019-05-30 | 2019-05-30 | Novel syringe for cancer chemotherapy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210904422U true CN210904422U (en) | 2020-07-03 |
Family
ID=71353541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920845709.XU Expired - Fee Related CN210904422U (en) | 2019-05-30 | 2019-05-30 | Novel syringe for cancer chemotherapy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210904422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336978A (en) * | 2020-11-04 | 2021-02-09 | 中国人民解放军空军军医大学 | Burn patient is with integration wound disinfection device of adding medicine to |
-
2019
- 2019-05-30 CN CN201920845709.XU patent/CN210904422U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336978A (en) * | 2020-11-04 | 2021-02-09 | 中国人民解放军空军军医大学 | Burn patient is with integration wound disinfection device of adding medicine to |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |