CN205494650U - Device of dosing is injected to pericardium - Google Patents
Device of dosing is injected to pericardium Download PDFInfo
- Publication number
- CN205494650U CN205494650U CN201620047747.7U CN201620047747U CN205494650U CN 205494650 U CN205494650 U CN 205494650U CN 201620047747 U CN201620047747 U CN 201620047747U CN 205494650 U CN205494650 U CN 205494650U
- Authority
- CN
- China
- Prior art keywords
- injectors
- needle
- syringe
- outside
- pericardium
- 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
- 210000003516 pericardium Anatomy 0.000 title claims abstract description 42
- 239000007924 injection Substances 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 24
- 239000003814 drug Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000007925 intracardiac injection Substances 0.000 abstract description 4
- 210000000056 organ Anatomy 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001647 drug administration Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000000115 thoracic cavity Anatomy 0.000 description 2
- 208000006017 Cardiac Tamponade Diseases 0.000 description 1
- 208000005228 Pericardial Effusion Diseases 0.000 description 1
- 206010034476 Pericardial haemorrhage Diseases 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000012754 cardiac puncture Methods 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 201000002303 hemopericardium Diseases 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000003601 intercostal effect Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229940126701 oral medication Drugs 0.000 description 1
- 210000004224 pleura Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 210000001562 sternum Anatomy 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a device of dosing is injected to pericardium, its characterized in that includes outside syringe, inboard syringe, outside syringe needle, inboard syringe needle, cross section, inboard injection organ pipe piston stick, fixing device, valve, vacuum device, it is seamless fixed that inboard syringe and outside syringe pass through fixing device, and outside syringe needle is connected to outside syringe one end, and inboard syringe needle is connected with one end to inboard syringe, being equipped with inboard injection organ pipe piston stick in the inboard syringe barrel, being equipped with the valve on the injector wall of the outside, the valve links to each other with vacuum device, outside syringe needle proximal end portion inboard is provided with the cross section. Syringe needle piercing depth can be ensured, the success rate of intracardiac injection operation is improved to reduce medical personnel's work burden.
Description
Technical field
This utility model relates to pericardium and punctures doser, belongs to medical device technical field of structures.
Background technology
Clinically for the treatment of heart disease, non-invasive therapy is concentrated mainly on drug treatment, and Drug therapy is divided into oral medication, intravenous administration, pericardium drug administration by injection.First two administering mode arrives at heart because of medicine after the multiple organ of whole body, is the most easily absorbed by other organ-tissues, affects the generation that medicine is fully absorbed and causes unnecessary side effect by heart.Pericardium punctures significant curative effect existing for hemopericardium and cardiac tamponade, and because heart is directly administered by it, effect is the best and is paid close attention to by more and more people.Clinically pericardium is punctured and in the technology of drug injection, after syringe needle thrusts pericardium, because pericardium and heart are close to, heartbeat causes position to be difficult to control in addition, puncturing heart so existing, causing the risk of more serious heart and injury.It is thus desirable to medical personnel are strictly control inserting needle speed and the degree of depth.But, present stage finds, is difficult to control.
Summary of the invention
The purpose of this utility model is to solve that above-mentioned prior art exists cannot effectively control puncture needle depth of needle, to avoid puncturing the problem of heart, and then provide a kind of reasonable in design simple and direct, it is easy to use reliable, it is easy to location controls the pericardium injection device of depth of needle
For achieving the above object, the technical scheme of the novel employing of this use is as follows:
A kind of pericardium injection device, including outer injectors, inner injectors, outside entry needle, inner side entry needle, cross section, inner injectors pipe piston rod, fixing device, valve, negative pressure device；Described inner injectors and outer injectors are seamless fixing by fixing device, entry needle outside the connection of outer injectors one end, and inner injectors is with entry needle inside the connection of one end；Being provided with inner injectors pipe piston rod in inner injectors cylinder, outer injectors tube wall is provided with valve, and valve is connected with negative pressure device, is provided with cross section inside the injection needle end of described outside.
Inside cartridge barrel chamber diameter is placed in the cylinder of outside less than outside cylinder, inside and outside side neck body two ends connect fixing, same one end of described inside and outside side neck body all connects hollow needle, sealing is good and detachable, inside cartridge correspondence syringe needle is also attached in syringe needle corresponding to cylinder of outside that (outside syringe needle is near the built-in hollow out cross section of pin oral area, material is identical with syringe needle, cross section is divided into three circles, syringe needle inside inner ring connection, junction closed seamless gap, centre circle is a solid plane domain, outer ring is for radiating netted void region), outside syringe needle is the most blunt, inner side syringe needle is the sharpest.Outer side neck sidewall is connected with an interface and leads to the valve of a manufacture negative pressure so that between the syringe needle needle tubing of interior outside, this connected region is in negative pressure state, by valve, adjustable negative pressure size.Being provided with inner injectors pipe piston rod inside described inner injectors pipe, inner injectors pipe piston rod end of dissociating has holding part.
This injection device can make to there is negative pressure between interior outer injectors connecting needle by negative pressure valve, the region between outside syringe needle and inner side syringe needle is made to have inside adsorption, thick blunt outside punctures skin arrive after pericardium can by pericardium to pin hole internal adsorption to cross-section, make pericardium away from the heart beaten, inner side needle safety is made to thrust pericardium and avoid puncturing heart, so that paracentesis pericardii and drug administration by injection are safer.
In above-mentioned pericardium injection medicament administration device, interior outside syringe is completely embedded seamless with interior outside syringe needle respectively, and detachably so that interior outside syringe can be used for multiple times, the most convenient；Meanwhile, also make to be able to maintain that between the syringe of interior outside good subnormal ambient and occur without gas leakage and negative pressure affects the situation of inner injectors syringe.
In above-mentioned pericardium injection medicament administration device, the negative pressure between the syringe of interior outside forms the control valve connected on syringe barrel outside dependence and keeps negative pressure constant so that pericardium continual and steady can must be adsorbed in outside syringe needle.
In above-mentioned pericardium injection medicament administration device, the cross section that outside syringe needle is built-in, inner ring fixing inner side syringe needle so that inner side syringe needle is slightly above cross sectional planes, in order to puncture smoothly after the adsorbed upper plane of pericardium；Centre circle is solid plane, it is simple to pericardium attaches in the plane；Outer ring hollow out radiation is netted, it is provided that the favourable places of negative pressure, the attaching of convenient pericardium.
In above-mentioned pericardium injection medicament administration device, outside syringe needle is the most blunt, the most pierceable skin and pleura, and when slowly touching pericardium, pericardium can't be caused and puncture injury, after treating that negative-pressure adsorption mentions pericardium disengaging heart, pericardium touches the thin sharp syringe needle in inner side again, to reach the purpose that safety punctures.
In order to help the medical personnel can be when carrying out cardiac puncture, avoid thrusting deep impair cardiac as far as possible, the utility model has the advantage of: pericardium is mentioned disengaging heart by the negative pressure between inside and outside syringe by this utility model, it is adsorbed on the cross section in outer pin hole, inner side small pinhead punctures.Can ensure that entry needle paracentesis depth, improve the success rate of intracardiac injection operation, thus reduce the work load of medical personnel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the A-A sectional view in Fig. 1；
Fig. 3 is the enlarged drawing of the A cross section part in Fig. 1.A inner ring (inner side syringe needle bearing) in figure, b centre circle (at pericardium attaching), c outer ring (radial negative pressure feeding)；
1 outer injectors in figure, 2 inner injectors, entry needle outside 3, entry needle inside 4, cross section in injection needle outside 5,6 inner injectors pipe piston rods, 7 fixing devices, 8 valves, 9 negative pressure devices, 10 pericardiums.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is described below.
As shown in Fig. 13, a kind of intracardiac injection device, including outer injectors 1, inner injectors 2, two syringes are connected to seal by fixing device 7 and fix, entry needle outside the connection of outer injectors one end, and inner injectors is with entry needle inside the connection of one end, it is completely embedded seamless and detachable, forms inside and outside conjoined device.After medical personnel puncture skin with common medical puncture needle, it is manually operated and outside entry needle 3 is thrust thoracic cavity, arrival heart surface stops, open negative pressure device 9, now, pericardium 10 is inhaled in the entry needle 3 of outside under suction function, is attached on cross section 5, and while attaching, inner side entry needle 4 thrusts in pericardium 10.In medical personnel's manual operation inner injectors 2, piston rod 6 injects heart of patient by inner side entry needle 4.Negative pressure device 9 back side is provided with battery cavities, for being placed as the battery that negative pressure device is powered, front is additionally provided with vacuum cavitations switch and is available for vacuum magnitude, facilitates medical personnel to regulate and control voluntarily, arrives heart surface, open negative pressure, pressure regulation power is in desired value, after drug injection is complete, gives to cancel negative pressure during outside pulling force, after negative pressure is cancelled, safety extracts package unit out.
Described cross section is divided into three circles, and inner ring a diameter is consistent with inner injectors syringe needle, and inner side entry needle is disposed within, and needle point beyond cross section but still leaves distance with outer injectors syringe needle；Centre circle b is solid area, for applied solid pericardium；Outer ring c is a radial void region, communicates with region between interior outer injectors syringe.
During use, medical personnel's manual operation utility model, injection device is positioned at patient the 4th intercostal left border of sternum 1 2cm, after common puncture needle thrusts, outside injection needle is the most blunt, after slowly arriving at pericardium, advance and be hampered, stop, starter 9 switchs, carry suction pericardium 10 in outside entry needle 3, pericardium 10 is punctured by inner side entry needle 4, by infusion of medicine heart of patient, after intracardiac injection operation terminates, medical personnel's manual operation gives outside draft, hereafter stop negative pressure device 9 to operate, now due to the outer draft applied before, inner side injection needle 4 departs from pericardium naturally, device is extracted in thoracic cavity, terminate use of the present utility model.
Negative pressure device 9 in this utility model, its internal structure is known to those skilled in the art and grasps, and here is omitted.The NM technical characteristic of this specification is existing known technology.
Claims (4)
1. a pericardium injection medicament administration device, it is characterised in that include outer injectors, inner injectors, outside entry needle, inner side entry needle, cross section, inner injectors pipe piston rod, fixing device, valve, negative pressure device;Described inner injectors and outer injectors are seamless fixing by fixing device, entry needle outside the connection of outer injectors one end, and inner injectors is with entry needle inside the connection of one end；Being provided with inner injectors pipe piston rod in inner injectors cylinder, outer injectors tube wall is provided with valve, and valve is connected with negative pressure device, is provided with cross section inside the injection needle end of described outside.
A kind of pericardium injection medicament administration device the most according to claim 1, it is characterized in that: described cross section is divided into three circles, inner ring diameter size is consistent with inner injectors syringe needle, and inner side entry needle is disposed within, and needle point beyond cross section but still leaves distance with outer injectors syringe needle；Centre circle is solid area, for applied solid pericardium；Outer ring is a radial void region, communicates with region between interior outer injectors syringe.
A kind of pericardium injection medicament administration device the most according to claim 1, it is characterised in that: the described negative pressure device back side is provided with battery cavities, and for being placed as the battery that negative pressure device is powered, front is additionally provided with vacuum cavitations switch, is used for regulating and controlling vacuum magnitude.
A kind of pericardium injection medicament administration device the most according to claim 1, it is characterised in that: being provided with inner injectors pipe piston rod inside described inner injectors pipe, inner injectors pipe piston rod end of dissociating has holding part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047747.7U CN205494650U (en) | 2016-01-18 | 2016-01-18 | Device of dosing is injected to pericardium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620047747.7U CN205494650U (en) | 2016-01-18 | 2016-01-18 | Device of dosing is injected to pericardium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205494650U true CN205494650U (en) | 2016-08-24 |
Family
ID=56722952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620047747.7U Expired - Fee Related CN205494650U (en) | 2016-01-18 | 2016-01-18 | Device of dosing is injected to pericardium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205494650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457148A (en) * | 2016-01-18 | 2016-04-06 | 浙江大学 | Pericardium injection administration device and method thereof |
-
2016
- 2016-01-18 CN CN201620047747.7U patent/CN205494650U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457148A (en) * | 2016-01-18 | 2016-04-06 | 浙江大学 | Pericardium injection administration device and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160824 Termination date: 20170118 |