CN104464473A - Training auxiliary tool - Google Patents
Training auxiliary tool Download PDFInfo
- Publication number
- CN104464473A CN104464473A CN201410568142.8A CN201410568142A CN104464473A CN 104464473 A CN104464473 A CN 104464473A CN 201410568142 A CN201410568142 A CN 201410568142A CN 104464473 A CN104464473 A CN 104464473A
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- Prior art keywords
- conduit
- syringe needle
- aid
- laying
- training
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Physics (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Algebra (AREA)
- Computational Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Optimization (AREA)
- Medical Informatics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a training auxiliary tool for practicing inserting a needle into the blood vessel. The training auxiliary tool comprises a base plate tolerating needle penetration, a catheter located on one side of the base plate, and a covering object stretching on the base plate and the catheter. Through the arrangement, the other side of the base plate can be placed on the skin of the human body, the needle then can penetrate through the covering object into the catheter, and the process that the needle penetrates through the skin into the blood vessel of the human body can be simulated.
Description
The application is application number is 200680056636.1 (PCT/AU2006/001676), and the applying date is on November 10th, 2006, and denomination of invention is the divisional application of the application for a patent for invention of " training aid ".
Technical field
The present invention relates to a kind of training aid.
More specifically, the present invention relates to a kind of help trainer and syringe needle is correctly inserted endovascular training aid.Syringe needle can be inserted the endovascular people of another people by needs and use by this aid, or for training need, syringe needle is inserted himself endovascular people alternatively.
Background technology
For trainer, syringe needle being inserted Ink vessel transfusing mainly exists two kinds of technology at present.The first technology is trainer in live subject, but the method exists obvious shortcoming, because may cause pain and possible damage to the object of training.The second technology relates to the artificial arm of use, but its shortcoming is that process syringe needle being inserted artificial components is different from actual Life Facts, especially when syringe needle is inserted self arm by trainer.Further, after using artificial limb, previously used the puncture marks caused obvious, and do not needed oneself to carry out distinguishing and reducing training value because trainer easily can distinguish the appropriate location of insertion syringe needle.
The object of this invention is to provide a kind of new training aid that can overcome above-mentioned shortcoming at least in part.
Summary of the invention
According to the present invention, provide, for one exercise, syringe needle is inserted endovascular training aid, described aid comprises:
The substrate that tolerance syringe needle penetrates;
Be positioned at the conduit on substrate side;
The coverture that substrate and conduit extend, this set makes the opposite side of substrate can be placed on human body skin, make syringe needle then can thrust conduit through coverture, thus the process in human vas is thrust in simulation through skin.
Preferably, coverture comprises the skin of the first laying and covered substrate, conduit and the first laying.
Also preferably, aid to be included in above substrate side and the second laying extended below conduit.
Also preferably, coverture comprises the jointing material internal layer be coated on the first laying, part second laying and substrate opposite side, and this internal layer is positioned at outer below.
Also preferably, substrate is made up of the material of relative stiffness, and conduit is made up of elastic plastic material, and the first and second layings comprise plaster cast layer, and its ectomesoderm is the flexure strip of the plastic material on the downside of it with bonding agent.
In one preferably arrangement, skin is skin color, and aid has some projections in catheter position region.This simulates the blood vessel outward appearance of palpation.Trainer attempts syringe needle to insert in aid, makes needle tip be positioned at catheter interior.Adopt training aid of the present invention, its structure makes needle tip at first through the outer and very similar actual experience of needle tip being passed actual patient skin of the first laying.Further, when needle tip terminal spine hit conduit and penetrating catheter time, during beginning, resistance has some to increase, then when syringe needle enters conduit cavity resistance reduce.Be very similar to the experience making needle tip penetrate actual vessel wall equally.
Because the relevant position that training aid is carrying out vascular puncture can be applied to object, so too increase the value of Training Practicing.
In the present invention's especially preferred embodiment, conduit comprises red liquid under a certain pressure.This set makes when the needle penetrates the tube, and red liquid will flow through syringe needle and be seen by trainer.This gives the vision instruction that blood vessel correctly punctures.This also closely simulates the actual experience of the blood back flow (flashback) when syringe needle penetrates real blood vessels.
Present invention also offers a kind of training trainer and syringe needle is inserted endovascular method, the method comprises the following steps:
Be fixed in subject's skin by the training aid comprising substrate and simulated blood vessel, described simulated blood vessel has simulate blood;
Trainer is allowed syringe needle to be inserted training aid to thrust simulated blood vessel; And
Simulate blood is made to flow through syringe needle under a certain pressure, the vision instruction of correctly thrusting simulated blood vessel to provide syringe needle.
Present invention also offers the kit that syringe needle is inserted blood vessel by a kind of trainer of training, this kit comprises:
Training aid defined above;
For training aid being fixed to the self-adhesive transparent paster in subject's skin; And
Syringe needle, trainer uses this syringe needle by its most advanced and sophisticated conduit inserting training aid.
Present invention also offers the training aid that syringe needle is inserted blood vessel by a kind of exercise, described aid comprises:
There is the main body of upper surface and lower surface;
Main body comprises the substrate that tolerance syringe needle passes;
Upper surface comprises ridge, the outward appearance of this ridge simulation palpated vein;
Upper surface has can by the coverture of needle pierces; And
Main body is fixed to the device in subject's skin, body lower surface coordinates with subject's skin.
It will be understood by those skilled in the art that training aid of the present invention is particularly useful for nursing, medical treatment and pathology students professor Puncture.Further, training aid of the present invention also can be used for the skill of venipuncture of training children and father and mother.
Accompanying drawing explanation
The present invention is further described referring now to accompanying drawing, wherein:
Fig. 1 is the planimetric map of training aid of the present invention.
Fig. 2 is the side view of training aid.
Fig. 3 is showing the schematic exploded view of each assembly for the preparation of training aid.
Fig. 4 is the cross sectional view of the amplification of 4-4 along the line.
Fig. 5 is the cross sectional view of the amplification of 5-5 along the line.
Fig. 6 shows the training aid being applied to object hand.
Fig. 7 shows the syringe needle through training aid.
Embodiment
Fig. 1 and 2 shows training aid 2 of the present invention.Training aid comprises the main part 4 of general plane, and main part 4 has upside 6 and downside 8.The outside surface of training aid is covered by the plastic sheet of skin color, as hereinafter described in more detail.Upside 6 also has some pliable and tough, thus has general appearance and the sensation of patient skin.The upside 6 of training aid comprises ridge 10, and ridge 10 has the general appearance of palpated vein.Ridge 10 is that described web member is sealed by threaded screw 16 by extend out from main body 4 and the conduit 12 ending at web member is formed.
Fig. 3,4 and 5 shows the building mode of training aid in greater detail.Training aid 2 comprises substrate component 18, and substrate component 18 preferably includes rigidity and the plastics sheet that can not be pierced through by syringe needle joint under normal circumstances.Substrate has length L, width W and thickness T.Preferably, length L is about 50-60mm, and width W is about 35-45mm, and thickness T is about 1.5-2mm.Suitable plastic material will comprise: the material of styrene, acrylic acid, ABS, polymethylmethacrylate (PMMA) or polycarbonate or any other relative stiffness is as pottery, metal or timber.Substrate 18 prevents needle tip from passing substrate and stops needle pierces to use the skin of the object of training aid.Ground floor gasket material 20 is positioned at above substrate 18.Ground floor 20 has the size identical with substrate.Ground floor 20 is applied to the thin plaster cast of patient class before can being included in gypsuming bandage.Then conduit 12 is set on ground floor 20.Then second layer gasket material 22 is set to above conduit 12.In shown arrangement, the second layer 22 is identical with the material of ground floor but narrower, and such as width W 2 is 10-20mm.Training aid comprises the first adhesive film 24, and this adhesive film 24 wraps up substrate 18, layer 20 and 22 and conduit 12 and is jointly effectively combined in main body 4 to make them.The first film 24 can comprise transparent self-adhesive film, such as, cut into appropriate size to encapsulate the Tegerderm paster of intraware.Aid comprises the second adhesive film 26, this adhesive film 26 wrap up the first film 24 and with its bonding.Second film 26 is preferably skin color.Second film 26 can be formed by the Sleek adhesive tape of suitable length, and Sleek adhesive tape is a kind of waterproof adhesive adhesive tape prepared by SN company (Smith & Nephew).Laying 20 and 22 gives appearance and the outward appearance of main body 4 real skin together with the film 26 of skin color.Figure 4 and 5 are the cross sectional view of amplifying, and show the relative position of substrate 18, layer 20 and 22 and conduit 12 in complete training aid.
Training aid one preferred embodiment in, conduit 12 limits tube chamber 28, can fill red liquid with simulate blood in tube chamber 28.Conduit 12 can be formed by the butterfly pin of the form known of subsidiary conduit and cut butterfly pin.Such as, butterfly pin can comprise the Terumo SV*23BLK pin manufactured by TM company (Terumo MedicalCorporation).The external diameter of the conduit in this product is about 2mm, and internal diameter is about 1.5mm.Usually, length is about 300mm.The plastic material forming conduit is soft and pliable and tough, but is relatively easily penetrated relatively easily by the tip of a needle.Plastic material can comprise:, Xiao A hardness pliable and tough to make it soft containing plastifier is for the PVC within the scope of about 40-60, or polypropylene or poly-first methylene or those skilled in the art think useful any elastic body.After conduit cuts syringe needle, water as painted in red food dye for red liquid is injected conduit cavity by usable syringes.Colored liquid is made to be advanced into the contiguous conduit portion cutting syringe needle with syringe.Then, sealing duct end is carried out by heat seal or simply by fastening knot.Then to conduit cavity pressurization, red liquid is made to keep adjacent pipes sealed end.Preferred liquid length is slightly shorter than the length of main body 4, makes at the expose portion red liquid of conduit 12 invisible.
The available syringe be connected with pipe joint element 14 pressurizes to conduit cavity.Find when conduit nominal length 250mm, force about 0.5-3ml from syringe, preferred 1ml air enters conduit cavity can provide enough pressure wherein.Depart from before web member 14 at syringe, conduit 12 is close to web member by forming tight bend or knot wherein and temporarily closes.Then, nut 16 is applied to again on web member 14, to maintain intraluminal pressure.
In the present invention one preferred embodiment, when needle tip pierces through conduit 12 sidewall and enters tube chamber 28, the pressure in tube chamber 28 will cause red liquid to flow through syringe needle, to the important vision instruction that trainer provides artificial blood vessel correctly to thrust.The adverse current that this effect simulation occurs when syringe needle thrusts object real blood vessels.
Fig. 6 and 7 shows the use of training aid of the present invention.In the present arrangement, training aid 2 is applied to the back of object hand 30.The orientation of ridge 10 is identical with the direction of blood vessel on the back of the hand, as shown in the figure.Tourniquet 32 can be used to simulate the standard step of venipuncture.In shown setting, training aid 2 is applied to the back of the hand by the mode of transparent adhesive patch 34.Such as, can be Tegerderm paster, its length and width be enough to cover whole main body 4 and adhere to hand skin.
Certainly, also by the attached main body 4 of other modes.Such as, on the downside of main body, auto-adhesive layer can be provided on 8.Or main body 4 can be attachable to elastic webbing (not shown), main body is made to keep pressing close to subject's skin by elastic webbing.
Once training aid 2 is applied to the skin of object, trainer can attempt the tip 36 of butterfly syringe needle 38 to insert in the tube chamber 28 of main body 4 inner catheter 12.Fig. 7 shows correctly to be directed through the tip 36 that ridge 10 inserts tube chamber 28.Once do like this, the end 40 of the conduit 42 at butterfly syringe needle 38 flows out by orchil under intraluminal pressure.Once achieve correct thrusting, the syringe 44 containing dummy fluid can be connected in the web member 46 of butterfly syringe needle 38 and can remove the nut 16 of conduit 12.Web member 14 can be positioned at transparent collecting bag 48.Then dummy fluid is injected tube chamber 28 by needle tip 36 with syringe 44 by trainer.Then virtual liquid will flow through conduit 12 and flow in bag 48.Like this, the dummy fluid flowed out from web member 14 provides to trainer the vision instruction useful further that needle tip 36 correctly thrusts blood vessel.Syringe needle 38 can comprise any suitable syringe needle as Terumo SV*23BLK.
After injecting all dummy fluid, then trainer can practise the Correct Technique removing butterfly syringe needle 38.
Find that device of the present invention is particularly useful for training goal, because main body 4 has skin appearance and sensation, ridge 10 has the look and feel of palpated vein.And, when needle tip 36 penetrates ridge 10 at first, there is the actual similar sensation of thrusting patient skin of syringe needle.And, when needle tip is thrust conduit 12 and entered tube chamber 28, again simulate the effect that syringe needle thrusts real blood vessels.The adverse current occurred when the appearance model of the catheter tip 40 place orchil of butterfly syringe needle 38 thrusts blood vessel.Finally, the visual feedback that the dummy fluid flowed out by conduit 12 is observed again provides venipuncture successfully visual feedback to trainer.
Should also be understood that the use of training aid of the present invention be safety and easily.
Many improvement those skilled in the art are obvious and do not deviate from the spirit and scope of the present invention.
Claims (25)
1., for practising training aid syringe needle being inserted blood vessel, described aid comprises:
The substrate that tolerance syringe needle thrusts;
Be positioned at the conduit on the side of described substrate;
The coverture that described substrate and described conduit extend, this set makes the opposite side of described substrate can be placed on human body skin, make syringe needle then can thrust described conduit through described coverture, thus the process in human vas is thrust in simulation through skin;
Wherein said coverture comprises: (a) first laying, and (b) covers the skin of described substrate, described conduit and described first laying; And (c) second laying, described second laying extends in the below of described conduit above the described side of described substrate;
And wherein said first laying is narrower than the second laying.
2. training aid as claimed in claim 1, it is characterized in that, described coverture comprises the jointing material internal layer on the described opposite side being coated on described first laying, described second laying of part and described substrate, and described internal layer is positioned at described outer below.
3. training aid as claimed in claim 1, it is characterized in that, described aid comprises the stationary installation for described aid being fixed on human body skin.
4. training aid as claimed in claim 3, it is characterized in that, described stationary installation is bonding coat.
5. training aid as claimed in claim 4, it is characterized in that, described bonding coat is transparent.
6. training aid as claimed in claim 5, it is characterized in that, described skin is skin color.
7. training aid as claimed in claim 2, is characterized in that:
Described substrate is made up of the plastic material of relative stiffness;
Described conduit is made up of elastic plastic material;
Described first and second layings comprise soft packing layer; And
Described skin is the flexure strip of the plastic material on the downside of it with bonding agent.
8. training aid as claimed in claim 1, it is characterized in that, described conduit has the external diameter of 1.5-7mm.
9. training aid as claimed in claim 8, it is characterized in that, described conduit has the internal diameter of 1.0-6.5mm.
10. training aid as claimed in claim 1, it is characterized in that, the inside of described conduit comprises the colored liquid that can flow out from described conduit when syringe needle thrusts.
11. training aids as claimed in claim 10, is characterized in that, described liquid is red with simulate blood.
12. training aids as claimed in claim 10, it is characterized in that, described liquid keeps under a certain pressure in described conduit, thus tends to flow described syringe needle when described syringe needle thrusts described conduit.
13. training aids as claimed in claim 1, it is characterized in that, described conduit comprises the extension extending beyond described coverture, described extension comprises far-end, this set makes test fluid can inject described catheter interior by described syringe needle, then flows out from described far-end and indicates with the vision providing described syringe needle correctly to insert described conduit.
14. training aids as claimed in claim 13, it is characterized in that, described far-end has removable cap, can remove described cap in using before test fluid is injected described conduit.
15. training aids as claimed in claim 14, is characterized in that, described aid comprises container or the bag of the test fluid for collecting the described far-end outflow from described conduit.
16. 1 kinds of methods of training trainer syringe needle to be inserted blood vessel, said method comprising the steps of:
Training aid as claimed in claim 1 is fixed in subject's skin, in described simulated blood vessel, there is simulate blood;
Trainer is allowed syringe needle to be inserted described training aid to thrust described simulated blood vessel; With
Make described simulate blood can flow through described syringe needle under a certain pressure, the vision instruction of correctly thrusting described simulated blood vessel to provide described syringe needle.
17. methods as claimed in claim 16, it is characterized in that, described trainer is object, described trainer with bonding agent by described aid fix in position.
18. methods as claimed in claim 17, it is characterized in that, described trainer is with it comprising the transparent membrane of bonding coat by described aid fix in position, and described transparent membrane applies and is added on described aid and the parts of skin of contiguous described trainer.
19. methods as claimed in claim 16, it is characterized in that, described method is included in the step after described syringe needle inserts described blood vessel, test fluid being injected described blood vessel.
20. methods as claimed in claim 19, is characterized in that, described method comprises the step that the described test fluid of described blood vessel has been injected in collection.
21. 1 kinds of kits of training trainer syringe needle to be inserted blood vessel, described kit comprises:
Training aid as claimed in claim 1;
For described training aid being fixed to the self-adhesive transparent paster in subject's skin; And
Syringe needle, trainer uses described syringe needle by its most advanced and sophisticated described conduit inserting described training aid.
22. kits as claimed in claim 21, it is characterized in that, described syringe needle comprises the butterfly syringe needle with attached conduit.
23. kits as claimed in claim 21, is characterized in that, described kit comprises and can be used for collecting the container being injected the virtual liquid in the described conduit of described training aid by described butterfly syringe needle.
Syringe needle is inserted the training aid of blood vessel by 24. 1 kinds of exercises, and described aid comprises:
The substrate that tolerance syringe needle thrusts;
The first laying that the side of described substrate extends, described first laying comprises soft packing layer;
Be positioned at the conduit on the described side of described substrate;
Second laying, described second laying is positioned to cover described conduit on described first laying, and described second laying comprises packing layer; And
The film cover that described substrate, described first laying, described conduit and described second laying extend, wherein said conduit forms ridge on the surface of described coverture.
25. training aids as described in claim 1 and 24, is characterized in that, described substrate, described ground floor and the second layer form the main part of plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568142.8A CN104464473A (en) | 2006-11-10 | 2006-11-10 | Training auxiliary tool |
| HK15106757.3A HK1206476A1 (en) | 2006-11-10 | 2015-07-15 | Training aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410568142.8A CN104464473A (en) | 2006-11-10 | 2006-11-10 | Training auxiliary tool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006800566361A Division CN101583985A (en) | 2006-11-10 | 2006-11-10 | Training aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104464473A true CN104464473A (en) | 2015-03-25 |
Family
ID=52910445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410568142.8A Pending CN104464473A (en) | 2006-11-10 | 2006-11-10 | Training auxiliary tool |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104464473A (en) |
| HK (1) | HK1206476A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599879A (en) * | 2019-09-26 | 2019-12-20 | 赣南医学院第一附属医院 | Venous catheter tube washing and sealing teaching device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071816U (en) * | 1990-07-25 | 1991-02-20 | 中国人民解放军沈阳军区军医学校 | Model for training injection on upper extremity |
| CN2164087Y (en) * | 1993-09-27 | 1994-05-04 | 河南省新乡市卫生学校 | Arm model for intravenous puncture |
| WO1999031641A1 (en) * | 1997-10-09 | 1999-06-24 | Bloom Ellen A | Phlebotomy training device |
| CN1547178A (en) * | 2003-12-15 | 2004-11-17 | 周明非 | Venipuncture demonstrator |
| CN2922003Y (en) * | 2006-07-11 | 2007-07-11 | 天津市天堰医教科技开发有限公司 | Arteriopuncture arm model |
-
2006
- 2006-11-10 CN CN201410568142.8A patent/CN104464473A/en active Pending
-
2015
- 2015-07-15 HK HK15106757.3A patent/HK1206476A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2071816U (en) * | 1990-07-25 | 1991-02-20 | 中国人民解放军沈阳军区军医学校 | Model for training injection on upper extremity |
| CN2164087Y (en) * | 1993-09-27 | 1994-05-04 | 河南省新乡市卫生学校 | Arm model for intravenous puncture |
| WO1999031641A1 (en) * | 1997-10-09 | 1999-06-24 | Bloom Ellen A | Phlebotomy training device |
| CN1547178A (en) * | 2003-12-15 | 2004-11-17 | 周明非 | Venipuncture demonstrator |
| CN2922003Y (en) * | 2006-07-11 | 2007-07-11 | 天津市天堰医教科技开发有限公司 | Arteriopuncture arm model |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110599879A (en) * | 2019-09-26 | 2019-12-20 | 赣南医学院第一附属医院 | Venous catheter tube washing and sealing teaching device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1206476A1 (en) | 2016-01-08 |
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