CN102198298A - Infusion survival kit in marrow cavity - Google Patents
Infusion survival kit in marrow cavity Download PDFInfo
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- CN102198298A CN102198298A CN2011100434558A CN201110043455A CN102198298A CN 102198298 A CN102198298 A CN 102198298A CN 2011100434558 A CN2011100434558 A CN 2011100434558A CN 201110043455 A CN201110043455 A CN 201110043455A CN 102198298 A CN102198298 A CN 102198298A
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- thrust axis
- thrust
- puncture needle
- mandrel
- loam cake
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Abstract
The invention discloses an infusion survival kit in a marrow cavity, which comprises a base, a puncture needle, an ejection main cylinder, an ejection device, a mandrel, an upper cover and a rear handle, wherein the ejection device is positioned in the ejection main cylinder; the ejection device comprises a thrust spring, a thrust shaft and a steel ball lock structure; the thrust shaft is a solid body, a concave hole is formed at the lower part of the thrust shaft, and a magnetic connector is arranged in the thrust shaft; the thrust shaft is connected with the puncture needle through the magnetic connector; a concave hole is formed at the upper part of the thrust shaft; and the lower part of the mandrel can be placed in the concave hole at the upper part of the thrust shaft. The principle is as follows: by applying the vascular access technology in the marrow cavity, the puncture needle can penetrate through the bone to enter the marrow cavity in a few seconds, and a trocar can continuously infuse first-aid liquid to establish an infusion channel in a short time, thereby gaining the rescue time. The infusion survival kit has small volume, does not need to take electricity as power, is convenient to carry, is safe and reliable in use, can greatly shorten the time for establishing the infusion channel, and improves the rescue success ratio.
Description
Technical field
The present invention relates to a kind of novel emergency medical apparatus, relate to a kind of survival kit that is used for transfusion in the medullary cavity in particular.
Background technology
When the clinical rescue critical patient, key is to set up good venous access, it is that whether successful decision rescue prerequisite, particularly shock, massive blood loss, the patient of dehydration extremely can produce a series of serious microcirculation disturbance, venae subcutaneae is sunken, vasoconstriction, blood stasis, viscosity height, permeability increases, and also has the obesity venous patient not obvious, carries out venipuncture to medical personnel and brings very big difficulty.Cause the doctor can't administration and puncture is unsuccessful, directly have influence on the rescue result, or the puncture time lengthening, incur loss through delay rescue time.According to statistics, if wartime, the hemorrhagic shock wounded can set up infusion channel in initial 10 minutes, will reduce its percentage of died of wound greatly, and traditional venous transfusion needed on average just can set up in 12 minutes.
Summary of the invention
The purpose of this invention is to provide a kind of bone marrow in-cavity injection apparatus that in one or two minute, just can set up infusion channel,, reduce the sick and wounded's percentage of died of wound to a great extent for clinical or rescue the sick and wounded wartime and win the quality time.
In order to achieve the above object, the present invention includes base, puncture needle, launch main tube, catapult-launching gear, mandrel, loam cake and back handle, catapult-launching gear is positioned at and launches main tube, catapult-launching gear comprises thrust spring, thrust axis, steel ball lock structure, and thrust axis is a solid, and a shrinkage pool is arranged at the bottom, built-in magnetic connector, thrust axis is connected by magnetic connector with puncture needle, and a shrinkage pool is arranged at thrust axis top, and the bottom of mandrel can place in the shrinkage pool on thrust axis top; The steel ball lock structure comprises locking steelball, locking steelball is embedded on the shrinkage pool outside hole wall on thrust axis top, locking steelball closes up fixing in the shrinkage pool lateral wall on thrust axis top, locking steelball can be moved in the outside horizontal microbit in the shrinkage pool lateral wall on thrust axis top under external force, but the shrinkage pool lateral wall of the thrust axis that do not drop out; The thrust spring is positioned at and launches the inner thrust axis of main tube outside, and the afterbody and the mandrel of thrust axis are positioned at loam cake, and the inwall of loam cake has a groove in the locking steelball place, and locking steelball can partly slip in the groove under external force.Locking steelball part under external force is embedded in the groove of loam cake inboard, and thrust axis is locked in the loam cake, makes the thrust spring be in contraction state.Safety plug is arranged at the top of described mandrel, the outside of mandrel, and there is the maintenance locking spring inside of loam cake, and safety plug level when keeping locking spring to be in contraction state is passed mandrel and loam cake, and mandrel and loam cake are in the lock state.Described puncture needle is the composite conduit puncture needle, comprises puncture nook closing member and puncture needle tubing, and the afterbody of puncture nook closing member is a metal structure, links to each other by magnetic connector with thrust axis.A notched circular rubber cushion is arranged at the bottom of base, and the center of rubber cushion has one greater than the emptying aperture of puncture needle metal section diameter less than puncture needle needle handle diameter.
Principle of the present invention is to have used the technology of vascular access in a kind of medullary cavity, the site of puncture is selected the long bone medullary cavity on tibia or the arm for use, within several seconds, its puncture needle can see through bone and enter medullary cavity, liquid by trocar infusion first aid continuously, set up infusion channel at short notice, win rescue time.
In sum, advantage of the present invention is: volume is small and exquisite, to need not with the electricity be power, easy to carry, safe and reliable, can shorten the time of setting up infusion channel greatly, improves salvage success rate.Adopt locking steelball and safety plug twin-lock fixed structure, prevent to pull out the injury that back handle causes, safety and reliability by mistake; Finishing using to return to the preceding state that uses, and removing puncture needle and rubber cushion is disposable use, and all the other can use repeatedly.
Description of drawings
Below in conjunction with accompanying drawing to further detailed explanation of the present invention.
Fig. 1 is a profile of the present invention.
Fig. 2 is the structural representation of rubber cushion of the present invention.
1. bases 2. launch main tube 3. mandrels 4. loam cakes 5. back handles 6. thrust springs 7. thrust axis among Fig. 1
8. magnetic connector 9. locking steelballs 10. grooves 11. safety plugs 12. keep locking spring 13. puncture nook closing members 14. puncture needle tubings 15. rubber cushions
15. rubber cushions, 16. breach, 17. emptying apertures among Fig. 2
The specific embodiment
As seen from the figure, the present invention includes base 1, puncture needle, launch main tube 2, catapult-launching gear, mandrel 3, loam cake 4 and back handle 5, catapult-launching gear is positioned at and launches main tube 2, catapult-launching gear comprises thrust spring 6, thrust axis 7, steel ball lock structure, and thrust axis 7 is a solid, and a shrinkage pool is arranged at the bottom, built-in magnetic connector 8, thrust axis 7 is connected by magnetic connector 8 with puncture needle, and a shrinkage pool is arranged at thrust axis 7 tops, and the bottom of mandrel 3 can place in the shrinkage pool on thrust axis 7 tops; The steel ball lock structure comprises locking steelball 9, locking steelball 9 is embedded on the shrinkage pool outside hole wall on thrust axis 7 tops, locking steelball 9 closes up fixing in the shrinkage pool lateral wall on thrust axis 7 tops, locking steelball 9 can be moved in the outside horizontal microbit in the shrinkage pool lateral wall on thrust axis 7 tops under external force, but the shrinkage pool lateral wall of the thrust axis 7 that do not drop out; Thrust spring 6 is positioned at and launches main tube 2 inner thrust axis 7 outsides, and the afterbody of thrust axis 7 and mandrel 3 are positioned at loam cake 4, and the inwall of loam cake 4 has a groove 10 in locking steelball 9 places, and locking steelball 9 can partly slip in the groove 10 under external force.Locking steelball 9 part under external force is embedded in the groove 10 of loam cake inboard, and thrust axis 7 is locked in the loam cake 4, makes thrust spring 6 be in contraction state.Safety plug 11 is arranged at the top of described mandrel 3, and there is the locking spring 12 of maintenance the outside of mandrel 3, the inside of loam cake 4, and safety plug 11 level when keeping locking spring 12 to be in contraction state is passed mandrel 3 and loam cake 4, and mandrel 3 and loam cake 4 are in the lock state.Described puncture needle is the composite conduit puncture needle, comprises puncture nook closing member 13 and puncture needle tubing 14, and the afterbody of puncture nook closing member 13 is a metal structure, links to each other by magnetic connector 8 with thrust axis 7.The circular rubber cushion 16 of a band breach 15 is arranged at the bottom of base 1, the center of rubber cushion 16 has one greater than the emptying aperture 17 of puncture needle metal section diameter less than puncture needle needle handle diameter, the effect of rubber cushion 16 is can all not thrust whole metal needle when making puncture needle thrust medullary cavity, the pin that keeps rubber cushion thickness length is external, in case pin is pulled out in inconvenience when adverse events such as bent needle takes place.
During use with the tip alignment site of puncture of puncture needle, safety plug 11 is extracted, extract mandrel 3 again, locking steelball 9 loses external force, add the pulling force of thrust spring 6, locking steelball 9 skids off from the groove 10 of loam cake, thrust spring 6 loses the resistance of locking steelball 9, thrust axis 7 is ejected toward base 1 direction, utilize the powerful elastic force of thrust spring 6 abrupt releases, puncture needle is thrust medullary cavity, take off base 1 and base 1 with top, rubber cushion 15 is taken out from breach 16 again, take out puncture nook closing member 13 again, being undertaken infusing in the medullary cavity by infusion techn routine in the medullary cavity gets final product.
After finishing using, under the state that does not connect puncture needle, on thrust axis 7, apply a power that makes progress, make thrust spring 6 be in contraction state, put into mandrel 3, locking steelball 9 slips into the groove 10 of loam cake 4 inside under the external force of mandrel 3, apply a downward power for mandrel 3 by back handle 5 again, make to keep locking spring 12 to be in contraction state, plug safety plug 11 again, promptly get back to resting state, connect puncture needle during use earlier and get final product.
Claims (4)
1. transfusion survival kit in the medullary cavity, comprise base, puncture needle, launch main tube, catapult-launching gear, mandrel, loam cake and back handle, it is characterized in that: catapult-launching gear is positioned at and launches main tube, catapult-launching gear comprises thrust spring, thrust axis, steel ball lock structure, and thrust axis is a solid, and a shrinkage pool is arranged at the bottom, built-in magnetic connector, thrust axis is connected by magnetic connector with puncture needle, and a shrinkage pool is arranged at thrust axis top, and the bottom of mandrel can place in the shrinkage pool on thrust axis top; The steel ball lock structure comprises locking steelball, locking steelball is embedded on the shrinkage pool outside hole wall on thrust axis top, locking steelball closes up fixing in the shrinkage pool lateral wall on thrust axis top, locking steelball can be moved in the outside horizontal microbit in the shrinkage pool lateral wall on thrust axis top under external force, but the shrinkage pool lateral wall of the thrust axis that do not drop out; The thrust spring is positioned at and launches the inner thrust axis of main tube outside, the afterbody and the mandrel of thrust axis are positioned at loam cake, the inwall of loam cake has a groove in the locking steelball place, locking steelball can partly slip in the groove under external force, locking steelball part under external force is embedded in the groove of loam cake inboard, thrust axis is locked in the loam cake, makes the thrust spring be in contraction state.
2. transfusion survival kit in a kind of medullary cavity according to claim 1, it is characterized in that: safety plug is arranged at the top of described mandrel, the outside of mandrel, there is the maintenance locking spring inside of loam cake, safety plug level when keeping locking spring to be in contraction state is passed mandrel and loam cake, and mandrel and loam cake are in the lock state.
3. transfusion survival kit in a kind of medullary cavity according to claim 1, it is characterized in that: described puncture needle is the composite conduit puncture needle, comprise puncture nook closing member and puncture needle tubing, the afterbody of puncture nook closing member is a metal structure, links to each other by magnetic connector with thrust axis.
4. transfusion survival kit in a kind of medullary cavity according to claim 1, it is characterized in that: a notched circular rubber cushion is arranged at the bottom of base, and the center of rubber cushion has one greater than the emptying aperture of puncture needle metal section diameter less than puncture needle needle handle diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100434558A CN102198298A (en) | 2011-02-23 | 2011-02-23 | Infusion survival kit in marrow cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100434558A CN102198298A (en) | 2011-02-23 | 2011-02-23 | Infusion survival kit in marrow cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102198298A true CN102198298A (en) | 2011-09-28 |
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ID=44659451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100434558A Pending CN102198298A (en) | 2011-02-23 | 2011-02-23 | Infusion survival kit in marrow cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102198298A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214203A (en) * | 2014-06-13 | 2016-01-06 | 中国人民解放军第二军医大学 | A kind of portable intrabone infusion device |
| CN105268089A (en) * | 2014-06-13 | 2016-01-27 | 上海市浦东医院 | Intraosseous infusion device |
| CN110856664A (en) * | 2018-08-23 | 2020-03-03 | 武汉联影智融医疗科技有限公司 | Surgical robot and puncture mechanism thereof |
-
2011
- 2011-02-23 CN CN2011100434558A patent/CN102198298A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214203A (en) * | 2014-06-13 | 2016-01-06 | 中国人民解放军第二军医大学 | A kind of portable intrabone infusion device |
| CN105268089A (en) * | 2014-06-13 | 2016-01-27 | 上海市浦东医院 | Intraosseous infusion device |
| CN105268089B (en) * | 2014-06-13 | 2018-07-13 | 上海市浦东医院 | A kind of intrabone infusion device |
| CN105214203B (en) * | 2014-06-13 | 2018-09-18 | 中国人民解放军第二军医大学 | A kind of portable intrabone infusion device |
| CN110856664A (en) * | 2018-08-23 | 2020-03-03 | 武汉联影智融医疗科技有限公司 | Surgical robot and puncture mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110928 |