CN110148344A - A kind of intravenous injection simulation teching device - Google Patents
A kind of intravenous injection simulation teching device Download PDFInfo
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- CN110148344A CN110148344A CN201910568998.8A CN201910568998A CN110148344A CN 110148344 A CN110148344 A CN 110148344A CN 201910568998 A CN201910568998 A CN 201910568998A CN 110148344 A CN110148344 A CN 110148344A
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- 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
- G09B23/285—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine for injections, endoscopy, bronchoscopy, sigmoidscopy, insertion of contraceptive devices or enemas
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Abstract
The present invention relates to a kind of intravenous injection simulation teching device, the current venipuncture model of effective solution is had a single function, the high problem of use cost；The technical solution of solution includes the arm models being made of hand, wrist and small arm；It is equipped with main fluid passage in arm models, returns fluid passage, multiple rubber tubes and branch's fluid passage are provided in wrist, wrist can be rotated that different rubber tubes is made to access back fluid passage, rubber tube terminal, which is equipped with, the uninterrupted of branch's fluid passage can be adjusted according to the caliber of rubber tube with the engaging means of time fluid passage on-tube, engaging means；The present invention comprehensive true to nature the whole operation process and all kinds of situations that simulate intravenous injection and puncture, practitioner is set comprehensively to practice, improve the proficiency and adaptability to changes when clinical puncture, and rubber tube can self-changeable, it is very simple and convenient, it can reuse, practitioner is made to obtain sufficient practice while substantially reducing cost.
Description
Technical field
The present invention relates to medical educational field, specifically a kind of intravenous injection simulation teching device.
Background technique
Intravenous injection is very universal in medical and nursing work, is a kind of that the liquid substances such as blood, medical fluid or nutrient solution are direct
The medical method being injected into vein can be directly entered blood and reach whole body by blood circulation, be to act on most fast use
Medicine therapeutic modality.The grasp tendon and vessel that medical staff wants skilled is injected, and needs largely to be practiced, often phase between practitioner
Mutually acupuncture treatment practice has significant limitation, and practitioner is more painful and cannot largely practice；Although there is intravenous injection at present
Model, but function is relatively simple cannot comprehensively simulate the various situations of clinical vein injection, as the thickness of blood vessel, depth,
Blood pressure, vascular bending, travelling etc.；On the other hand, model generally uses rubber tube simulated blood vessel, rubber tube after frequent puncture,
Aging can be damaged and the phenomenon of leakage occur, and current model rubber tube can not easily be replaced, and because almost without special dimension
Shop and maintenance personal are repaired, entire model must be discarded after damage, and it is very high looking for factory repair cost, therefore use cost
Very high, the practice number of practitioner is subject to certain restrictions.
Summary of the invention
For above situation, for the defect for overcoming the prior art, the present invention provides a kind of intravenous injection simulation teching dresses
It sets, the current venipuncture model of effective solution has a single function, and rubber tube cannot be replaced, the high problem of use cost.
Its technical solution solved is a kind of intravenous injection simulation teching device, including hand, wrist and small arm, three
Part, which can be bolted together, forms an arm models；It is equipped with main fluid passage in arm models, is equipped with back in small arm and hand
Fluid passage, wrist inner periphery are provided with multiple rubber tubes, and wrist can be rotated that different rubber tubes is made to access back fluid passage, and wrist is set
There is the branch's fluid passage that in parallel with rubber tube can access back fluid passage；The left end of hand is equipped with the first fixed plate, small arm
Right end is equipped with the second fixed plate, and the both ends of wrist are mounted on third fixed plate, and the first fixed plate is equipped with one and time liquid
The first through hole that road communicates, one is provided in the second fixed plate with the second through-hole for returning fluid passage and communicating, on the inner wall of first through hole
It is provided with a side hole, the right end of branch's fluid passage is connected to side hole, and left end is connected to the fluid passage that returns of small arm, installation in first through hole
Have a plunger, be installed on plunger the closing of right end and can in plunger the first transverse tube in axial sliding, the first transverse tube right end
Side wall on be provided with fluid hole, be evenly distributed in each third fixed plate multiple logical with the one-to-one third of rubber tube
Hole, the both ends of rubber tube are distinguished corresponding third through-hole and are connected, and are mounted on one two in multiple third through-holes of right end
Second transverse tube of end opening is equipped with the pressure spring that can pop up it to right end on the second transverse tube, when the third through-hole of right end and the
When one through-hole is opposite, the second transverse tube can be popped up to be connected with the first transverse tube；The caliber of the more rubber tubes is different, and rubber tube is got over
Carefully, the distance that the second corresponding transverse tube can pop up is shorter.
The present invention comprehensive true to nature the whole operation process and all kinds of situations that simulate intravenous injection and puncture, enable practitioner
Comprehensive practice, proficiency and adaptability to changes when improving clinical puncture, and rubber tube can self-changeable, very simple side
Just, it can reuse, practitioner is made to obtain sufficient practice while substantially reducing cost.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is the front sectional view of wrist of the present invention.
Fig. 3 is the left view cross-sectional view of wrist.
Fig. 4 is the top view at rubber tube and placing groove.
Fig. 5 is the enlarged drawing of part A in Fig. 2.
Fig. 6 is the front sectional view of first through hole position when rubber tube does not access back fluid passage.
Specific embodiment
Further description is made to a specific embodiment of the invention below in conjunction with attached drawing.
It is provided by Fig. 1 to Fig. 6, the present invention includes hand 1, wrist 2 and small arm 3, and three parts can be bolted together composition
One arm models；It is equipped with main fluid passage 4 in arm models, is equipped with back fluid passage 5,2 inner periphery of wrist in small arm 3 and hand 1
It is provided with the different rubber tube 6 of more root canal diameters, wrist 2 can be rotated that different rubber tubes 6 is made to access back fluid passage 5, and wrist 2 is set
There is the branch's fluid passage 7 that in parallel with rubber tube 6 can access back fluid passage 5；The left end of hand 1 is equipped with the first fixed plate 8, forearm
The right end in portion 3 is equipped with the second fixed plate 9, and the both ends of wrist 2 are mounted on third fixed plate 10, and the first fixed plate 8 is equipped with
One with return the first through hole 11 that communicates of fluid passage 5, second through-hole 12 communicated with time fluid passage 5 is provided in the second fixed plate 9,
A side hole 13 is provided on the inner wall of first through hole 11, the right end of branch's fluid passage 7 is connected to side hole 13, left end and small arm 3
It returns fluid passage 5 to be connected to, a plunger 14 is installed in first through hole 11, a right end closing is installed on plunger 14 and can be in plunger 14
Inside the first transverse tube 15 in axial sliding, is provided with fluid hole 16 on the side wall of 15 right end of the first transverse tube, in each third fixed plate 10
It is evenly distributed in the multiple and one-to-one third through-hole 17 of rubber tube 6, corresponding third is distinguished at the both ends of rubber tube 6
Through-hole 17 is connected, and second transverse tube 18 an of both ends open, the second transverse tube 18 are mounted in multiple third through-holes 17 of right end
On be equipped with can by its to right end pop up pressure spring 19, rubber tube 6 is thinner, the distance that the second corresponding transverse tube 18 can pop up
It is shorter.
Arm bone 20 is installed, arm bone 20 is divided into three in hand 1, wrist 2 and small arm 3 in the arm models
Section, the left end of the arm bone 20 of hand 1 are fixed in the first fixed plate 8, and it is fixed that the right end of the arm bone 20 of small arm 3 is fixed on second
In plate 9, the remote left end of the arm bone 20 of wrist 2 is stretched out third fixed plate 10 and is screwed outside and respectively in the first fixed plate 8
In the second fixed plate 9, thus realize the assembling of hand 1, wrist 2, small arm 3, the main fluid passage 4 after assembling in three sections of arm bones 20
It is connected with branch fluid passage 7, wrist 2 synchronous can be rotated with third fixed plate 10 on arm bone 20.
The inner end of each third through-hole 17 is respectively and fixedly provided with a hollow conical head 21, and the big end of taper sheath 22 is solid
It is scheduled in third fixed plate 10, is installed with a taper sheath 22 engaged therewith, rubber tube 6 through screw thread outside each conical head 21
End pass through 22 sets of taper sheath on conical head 21, then taper sheath 22 is tightened on conical head 21, taper sheath 22 is by rubber
Sebific duct 6, which is clamped on conical head 21, realizes connection.
The right end of the first through hole 11 is equipped with an electromagnet 23, and the right end of first transverse tube 15 is equipped with
One permanent magnet 24, electromagnet 23 and 24 mutual exclusion of permanent magnet are installed, and the power switch of electromagnet 23 is located at 1 outer surface of hand.
2 filled layer 25 of wrist, multiple axial placing grooves 26 are distributed in 25 inner periphery of filled layer, and rubber tube 6 is placed in
In placing groove 26, filled layer 25 is wrapped with epidermis 27, and epidermis 27 covers blood vessel, and the both ends of epidermis 27 are viscous through velcro
It closes.
The width of the placing groove 26 is greater than the caliber of rubber tube 6, and the length of rubber tube 6 is greater than the length of wrist 2, from
And rubber tube 6 is made natural torsion and can to move about in placing groove 26, the bending and travelling of simulated blood vessel.
The depth of burying of the more rubber tubes 6 in filled layer 25 is different.
It further include a water tank 28, the left end of main fluid passage 4 is connected to water tank 28 with the left end for returning fluid passage 5 of small arm 3
And liquid pump 29 is installed on main fluid passage 4, the right end of main fluid passage 4 is connected to the right end for returning fluid passage 5 of hand 1, and main fluid passage 4 returns
Fluid passage 5, rubber tube 6 and branch's fluid passage 7 form two fluid loops in parallel.
The both ends of first transverse tube 15 are equipped with the limit shaft shoulder 30.
This synchronization only wherein connect with fluid passage 5 is returned by a slat gum pipe 6, the corresponding third through-hole 17 of rubber tube 6
Opposite with first through hole 11, the second transverse tube 18 in the third through-hole 17 is under the action of pressure spring 19 to right end bullet and the first transverse tube
15 connect, and the second transverse tube 18 pushes the first end motion to the right of transverse tube 15 first, and plunger 14 is static under the action of fluid pressure,
To make fluid hole 16 expose out of plunger 14, the first transverse tube 15 connects the second transverse tube 18 with fluid passage 5 is returned, when the first transverse tube 15
After the limit shaft shoulder 30 of left end is contacted with plunger 14, the second transverse tube 18 will push that plunger 14 is synchronous with the first transverse tube 15 to be transported to the right
Dynamic, the aperture on side hole 13 is covered a part by plunger 14, and liquid a part in first through hole 11 is through the first transverse tube 15, the at this time
Two transverse tubes 18 flow to rubber tube 6, and another part flow to branch's fluid passage 7 through side hole 13；It is corresponding since rubber tube 6 is thinner
The distance that second transverse tube 18 can pop up is shorter, therefore when the rubber tube of connection 6 is thinner, and plunger 14 is fewer to right end movement,
The closed part in side hole 13 is fewer, and the area of passage on side hole 13 is bigger, and the flow of branch's fluid passage 7 is bigger, the stream in rubber tube 6
Measure it is smaller, conversely, connect rubber tube 6 it is thicker, the flow in rubber tube 6 is bigger, passes through the adjustment effect of branch's fluid passage 7, energy
The pressure in the rubber tube 6 of different tube diameters is maintained to stablize, close to human normal pressure value.
When in use, start liquid pumps 29 first, and liquid pump 29 drives the liquid in water tank 28 that two-way is divided to follow in circuit
Ring, path one are as follows: water tank 28 → 4 → hand of main fluid passage 1 returns 5 → rubber tube of fluid passage 6 → small arm 3 and returns 5 → water of fluid passage
Case 28, path two are as follows: water tank 28 → 4 → hand of main fluid passage 1 returns 5 → branch of fluid passage fluid passage 7 → small arm 3 and returns fluid passage 5
→ water tank 28.
The fluid passage 5 that returns of small arm 3 also uses soft pipe, when being practiced, is tightened first with bandage in small arm 3, makes wrist
The rubber tube 6 in portion 2 expands, and then smooths the rubber tube 6 of straight puncture position with hand and pinning makes it not move about, this operation simulation
The operation that blood vessel is smoothed before puncture, is then punctured, if syringe needle pierces through epidermis 27 and 6 side wall of rubber tube is accurately pierced into
In rubber tube 6, then in it under the action of hydraulic pressure, it will appear blood return phenomenon in transfusion line, if can accurately not be pierced into blood vessel,
Blood return phenomenon is not observed then；Liquid in water tank 28 adds dyestuff that red liquid is made, and forces convenient for observation blood return phenomenon and more
Very, the practitioner that energy practitioner is especially dizzy blood better adapts to.
When needing replacing the rubber tube 6 of different tube diameters or depth, then the power switch of electromagnet 23, electromagnet 23 are connected
It is powered, the repulsion between electromagnet 23 and permanent magnet 24, which pushes the first transverse tube 15 to move downward, makes 16 retraction plunger 14 of fluid hole
Interior, fluid hole 16 is closed, and the fluid path cutting of rubber tube 6, the second transverse tube 18 is pushed out outside first through hole 11, then rotates wrist 2
Required rubber tube 6 is turned into 11 position of first through hole.
After rubber tube 6 is due to frequently puncturing damage aging, then epidermis 27 is opened, the taper at 6 both ends of rubber tube is backed out
Set 22, rubber tube 6 is removed, then the rubber tube 6 more renewed tightens taper sheath 22, wraps epidermis 27.
Thickness, the depth, the bending of blood vessel, travelling, the blood back etc. of blood vessel when comprehensive simulated of the present invention intravenous injection punctures
Phenomenon, complete true to nature the whole operation process and all kinds of situations that simulate intravenous injection and puncture, enables practitioner comprehensively to practice
It practises, improves the proficiency and adaptability to changes when clinical puncture；Moreover, the rubber tube 6 of the present apparatus can self-changeable, very simply
It is convenient, it can reuse, practitioner is made to obtain sufficient practice while substantially reducing cost；In addition, the present apparatus may be used also
To distribute flow automatically according to the caliber of rubber tube 6, the pressure in rubber tube 6 is maintained within the scope of normal human blood-pressure.
Claims (9)
1. a kind of intravenous injection simulation teching device, including hand (1), wrist (2) and small arm (3), which is characterized in that three
Divide one arm models of composition that can be bolted together；Main fluid passage (4) are equipped in arm models, in small arm (3) and hand (1)
Equipped with fluid passage (5) are gone back to, wrist (2) inner periphery is provided with the different rubber tube (6) of more root canal diameters, and wrist (2) can be rotated to make
Different rubber tubes (6) access back fluid passage (5), and wrist (2), which is equipped with one, in parallel with rubber tube (6) can access back fluid passage (5)
Branch's fluid passage (7)；The left end of hand (1) is equipped with the first fixed plate (8), and the right end of small arm (3) is equipped with the second fixed plate
(9), the both ends of wrist (2) are mounted on third fixed plate (10), and the first fixed plate (8) is equipped with one and time fluid passage (5) phase
Logical first through hole (11), the second fixed plate (9) is interior to be provided with second through-hole (12) communicated with time fluid passage (5), and first is logical
A side hole (13) is provided on the inner wall in hole (11), the right end of branch's fluid passage (7) is connected to side hole (13), left end and small arm
(3) return fluid passage (5) are connected to, and are equipped with a plunger (14) in first through hole (11), are installed with a right end seal on plunger (14)
It closes and fluid hole can be provided on interior first transverse tube (15) in axial sliding of plunger (14), the side wall of the first transverse tube (15) right end
(16), multiple and rubber tube (6) one-to-one third through-hole (17), rubber are evenly distributed on each third fixed plate (10)
Corresponding third through-hole (17) connection is distinguished at the both ends of sebific duct (6), is mounted in multiple third through-holes (17) of right end
The second transverse tube (18) of one both ends open is equipped with the pressure spring (19) that can pop up it to right end, rubber on the second transverse tube (18)
Sebific duct (6) is thinner, and the distance that corresponding the second transverse tube (18) can pop up is shorter.
2. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that in the arm models
It is equipped with arm bone (20), arm bone (20) is divided into three sections in hand (1), wrist (2) and small arm (3), the arm of hand (1)
The left end of bone (20) is fixed in the first fixed plate (8), and the right end of the arm bone (20) of small arm (3) is fixed on the second fixed plate
(9) in, the remote left end of the arm bone (20) of wrist (2) is stretched out third fixed plate (10) and is screwed outside and respectively to be consolidated first
In fixed board (8) and the second fixed plate (9), thus realize the assembling of hand (1), wrist (2), small arm (3), three sections of arms after assembling
Main fluid passage (4) in bone (20) is connected with branch's fluid passage (7), and wrist (2) can be synchronous in arm bone (20) with third fixed plate (10)
Upper rotation.
3. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that each third is logical
The inner end in hole (17) is respectively and fixedly provided with a hollow conical head (21), and the big end of taper sheath (22) is fixed on third fixed plate (10)
On, each conical head (21) is installed with a taper sheath (22) engaged therewith through screw thread outside, and the end of rubber tube (6) passes through
Taper sheath (22) covers on conical head (21).
4. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that the first through hole
(11) right end is equipped with an electromagnet (23), and the right end of first transverse tube (15) is equipped with a permanent magnet (24),
Electromagnet (23) and permanent magnet (24) mutual exclusion are installed, and the power switch of electromagnet (23) is located at hand (1) outer surface.
5. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that wrist (2) filling
Multiple axial placing grooves (26) are distributed in layer (25), filled layer (25) inner periphery, and rubber tube (6) is placed in placing groove (26),
Filled layer (25) is wrapped with epidermis (27), and epidermis (27) covers blood vessel, and the both ends of epidermis (27) are bonded through velcro.
6. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that the placing groove (26)
Width be greater than the caliber of rubber tube (6), the length of rubber tube (6) is greater than the length of wrist (2).
7. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that the more rubber tubes
(6) depth of burying in filled layer (25) is different.
8. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that further include a water tank
(28), the left end for going back to fluid passage (55) of the left end of main fluid passage (4) and small arm (3) is connected to water tank (28) and main fluid passage (4)
On be equipped with liquid pump (29), the right end for going back to fluid passage (5) of the right end of main fluid passage (4) and hand (1) be connected to, main fluid passage (4), time
Fluid passage (5), rubber tube (6) and branch's fluid passage (7) form two fluid loops in parallel.
9. a kind of intravenous injection simulation teching device according to claim 1, which is characterized in that first transverse tube
(15) both ends are equipped with the limit shaft shoulder (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568998.8A CN110148344B (en) | 2019-06-27 | 2019-06-27 | Intravenous injection simulation teaching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568998.8A CN110148344B (en) | 2019-06-27 | 2019-06-27 | Intravenous injection simulation teaching device |
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| CN110148344A true CN110148344A (en) | 2019-08-20 |
| CN110148344B CN110148344B (en) | 2021-03-02 |
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| CN201910568998.8A Active CN110148344B (en) | 2019-06-27 | 2019-06-27 | Intravenous injection simulation teaching device |
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Cited By (5)
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| CN110706571A (en) * | 2019-10-30 | 2020-01-17 | 白银市第一人民医院 | Professional injection teaching instrument for medical nursing |
| CN111402694A (en) * | 2020-04-28 | 2020-07-10 | 铜仁职业技术学院 | Vein simulation injection auxiliary device based on medical nursing teaching |
| CN112530258A (en) * | 2020-12-31 | 2021-03-19 | 刘卿 | Teaching device for injection |
| CN113611200A (en) * | 2021-08-11 | 2021-11-05 | 中国人民解放军空军军医大学 | Injection teaching instrument for medical nursing major |
| CN113724564A (en) * | 2021-09-03 | 2021-11-30 | 昭通卫生职业学院 | Pediatric vein arm puncture model for pediatric experimental teaching |
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| CN113611200A (en) * | 2021-08-11 | 2021-11-05 | 中国人民解放军空军军医大学 | Injection teaching instrument for medical nursing major |
| CN113724564A (en) * | 2021-09-03 | 2021-11-30 | 昭通卫生职业学院 | Pediatric vein arm puncture model for pediatric experimental teaching |
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| Publication number | Publication date |
|---|---|
| CN110148344B (en) | 2021-03-02 |
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