CN109908430A - A kind of medical blood vessel intubator for reinforcing safety - Google Patents
A kind of medical blood vessel intubator for reinforcing safety Download PDFInfo
- Publication number
- CN109908430A CN109908430A CN201910188113.1A CN201910188113A CN109908430A CN 109908430 A CN109908430 A CN 109908430A CN 201910188113 A CN201910188113 A CN 201910188113A CN 109908430 A CN109908430 A CN 109908430A
- Authority
- CN
- China
- Prior art keywords
- design
- hose
- injection
- guide pin
- blood vessel
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/065—Guide needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0662—Guide tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0208—Subcutaneous access sites for injecting or removing fluids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
- A61M2039/0258—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body for vascular access, e.g. blood stream access
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/02—Access sites
- A61M39/0247—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body
- A61M2039/027—Semi-permanent or permanent transcutaneous or percutaneous access sites to the inside of the body having a particular valve, seal or septum
Abstract
The present invention provides a kind of medical blood vessel intubator for reinforcing safety, belongs to medicine and hygiene fields.The present invention is by cannula part, hose, 1st injection part, 2nd insertion section point and fixed part are constituted, soft syringe needle is installed on the cannula part, soft syringe needle is pricked into blood vessel by cannula part when operation, extend hose in the side of cannula part, 1st injection part, 2nd insertion section point is connected to the end of the hose in branching type, design has the double check valve for being able to satisfy injection and extracting two kinds of functions on the 1st injection part, design has the one way stop peturn valve that can only meet function of injection on the 2nd injection part, design has fixed part on hose, for selectively being fettered and being released to hose.The present invention realizes convenience and safety that blood vessel intubator uses by carrying out structure optimization with blood vessel intubator to traditional medical.
Description
Technical field
The present invention relates to medicine and hygiene fields, specifically a kind of medical blood vessel intubator for reinforcing safety, more
It specifically is to realize the convenience that blood vessel intubator uses by carrying out structure optimization with blood vessel intubator to traditional medical
Property and safety.
Background technique
It in general, is to inject human vas in injection needle to human transfusion (when such as injection compound sodium chloride injection)
In the state of carry out, injection needle is connected with perfusion tube, and medical fluid is inputted human body by perfusion tube and injection needle.Due to injection
Needle is made of high-intensitive metal material, therefore very sharp, when the state that syringe needle is injected human body adds row infusion, can send out
Raw the problem of causing patient vessel to damage or feel pain at acupuncture treatment because of accidentally moving for patient.
It will infusion input human body to solve the above problems, inventing a kind of socket auxiliary by being equipped with soft injection-tube
Blood vessel intubator has important practical value.In order to which above-mentioned soft injection-tube is inserted into blood vessel, one kind can be designed
The guide pin auxiliary device of hard inserts soft injection-tube and guide pin in the state of being inserted into guide pin that is, in soft injection-tube together
Enter blood vessel, then above-mentioned socket auxiliary is separated and is removed.In this way, in patient in infusion, intravascular there are soft liquid transport tube,
After being connected in vitro with infusion tube again, infusion process more safety convenient can be made.But traditional vascular catheterization dress
It sets after being inserted into soft injection-tube and guide pin together, when conduit being separated from socket auxiliary, using above-mentioned socket auxiliary,
Blood backflow problem at patient's injection can occur.
To solve the above problems, the prior art (use by such as Korean published Patent the 10-20047850th intravascular injection
Needle jack apparatus, Korean Patent the 10-843163rd prevent blood backflow blood be intubated) in improved.But
Existing medical treatment blood Intubaction device, only concentrating to improve has when removing guide pin, prevents the function of blood backflow at guide pin,
When injecting human body for infusion, blood does not have still to the problem of the injection pipe reflux extended out, the problems such as injection pipe infusion flows back
It well solves.
Summary of the invention
Technical assignment of the invention is in view of the deficiencies of the prior art, to provide a kind of medical vascular catheterization for reinforcing safety
Device, by the improvement to structure, device uses when greatly improving infusion convenience and safety.
The technical solution adopted by the present invention to solve the technical problems is:
The present invention provides a kind of medical blood vessel intubator for reinforcing safety, by cannula part (10), hose (20), the
1 injection part (30), 2nd insertion section point (40) and fixed part (50) are constituted, and are equipped on the cannula part (10) soft
Syringe needle (112) is pricked soft syringe needle (112) into blood vessel by cannula part (10) when operation, in the side of cannula part (10)
Extend hose (20), the 1st injection part (30), 2nd insertion section point (40) are connected to the end of the hose (20) in branching type
End, design has the double check valve (330) for being able to satisfy injection and extracting two kinds of functions on the 1st injection part (30), in the 2nd note
Entering design on part (40) has the one way stop peturn valve (430) that can only meet function of injection, and design has fixed part on hose (20)
Divide (50), for selectively being fettered and being released to hose.
Optionally, the interior design of the cannula part (10) has accommodation space (111) and threeway (110) structure, threeway
(110) the one end design of structure has the soft syringe needle being connected with interior accommodating space (111) and with certain length
(112), design has for preventing the check-valves that medical fluid flows back after injecting in the accommodation space (111) of threeway (110) structure
(114), in the inside of threeway (110) structure inserted with guide pin (120), for making the needle of soft syringe needle (112) smoothly be inserted into blood
Pipe, after soft syringe needle (112) penetrates, guide pin (120) is extracted at soft syringe needle (112), maintains there was only soft syringe needle
(112) endovascular state is stayed in.
Optionally, insert port (1142) are designed on the check-valves (114), insert port (120) is that guide pin (120) offer can
The space of insertion, when guide pin (120) is extracted, insert port (1142) is realized by natural resiliency to be closed, the generation of anti-backflow,
One end design of guide pin (120) has pressing part (124), and pressing part (124) is located at the end of guide pin, that is, is inserted into the portion of blood vessel
Point, it is pressed by pressing part (124) come enlarged diameter or width, the end section design of guide pin (120) has safety seal
(126), for preventing guide pin (120) from injury accident occurs.
Optionally, designing on the safety seal (126) has insertion hole (1262), is equipped with and leads inside safety seal (126)
Slot (1264), wherein insertion hole (1262) provides space for the insertion of guide pin (120), guide groove (1264) has certain depth,
After guide pin (120) are extracted, pressing part (124) limit of guide pin (120) is at insertion hole (1262), with guide pin (120)
It is extracted together with safety seal (126) together.
Optionally, one end design of the check-valves (114) has the insertion groove (1144) with certain depth, in check-valves
(114) there is leaf spring (1146) design on, leaf spring (1146) side is fixed on the one of check-valves (114) close insertion groove (1144)
End, the other side play a role by natural resiliency, and the side of leaf spring (1146) is equipped with and closed raised (1148), closed protrusion
(1148) when can guarantee that leaf spring (1146) play elastic reaction, fixation can be stablized at check-valves (114) insert port (1142),
Play the effect of anti-backflow；Design has fixing groove (1266) on safety seal (126), which is in length side
There is certain thickness structure upwards, in the case where guide pin (120) is in insert state, fixing groove (1266) is to maintain leaf spring another
The fixed installation state of side supports leaf spring (1146) to play elastic reaction when guide pin (120) and safety seal (126) are removed.
Optionally, design has main body (310) (410) part, the part on the 1st and the 2nd injection part (30) (40)
It is designed to that one end is fixed on hose (20), the structure that the other end can be connect in the external world with other medical apparatus, and main body
(310) design has inlet (320) (420) on (410), and design has U-shaped on the inlet (320) of the 1st injection part (30)
The double check valve (330) of type can satisfy injection and extract two kinds of functions.Inlet (420) in the 2nd injection part (40)
It is upper to design the one way stop peturn valve (430) for having V-shaped, the function of inwardly injecting can only be provided.
Optionally, designing on the fixed part (50) has main part (510), on main part (510) design have can allow it is soft
The 2nd insertion hole (512) He Yu 2 for managing (20) insertion is inserted into the access hole (514) of hole (512) cross-over design；In main part
(510) access hole (514) is equipped with the 3rd insertion hole (522) being inserted into for hose (20)；Designing on main part (510) has
Pressing adjusts part (520), to when hose (20) is mobile to side, which can be moved, make hose (20) with
Folding it is dynamic, realize that the constraint to hose (20) acts on.
Optionally, elastic member (530) are designed on the fixed part (50), for allowing pressing to adjust part (520)
With hose (20) when mobile by constraint active force, it can prevent pressing from adjusting what part (520) was arbitrarily moved therewith.
A kind of medical blood vessel intubator of reinforcement safety of the invention, it is generated beneficial to effect compared with prior art
Fruit is:
To carry out structure optimization with blood vessel intubator to traditional medical using the present invention, can be improved injection convenience and
Safety.
Detailed description of the invention
Attached drawing 1 is medium vessels injection needle assembly rendering of the present invention；
Attached drawing 2 is present invention intubation enlarged view of the main part；
Attached drawing 3a and 3b are the diagrams of guide pin disassembly process；
Attached drawing 4 be according to the present invention the 1st and 2nd insertion section point conception figure；
Attached drawing 5 is the use state enlarged drawing of the 1st injection part in the present invention；
Attached drawing 6 is the use state enlarged drawing of 2nd insertion section point in the present invention；
Attached drawing 7 is the conception figure of fixed part in the present invention；
It is enlarged drawing under that fixed part use state that attached drawing 8a and 8b, which are in the present invention,.
In figure, 1, blood vessel intubator, 10, cannula part, 110, threeway, 111, accommodation space, 112, soft syringe needle,
114, check-valves, 1142, insert port, 1144, insertion groove, 1146, leaf spring, 1148, closed protrusion, 115, closed loop, 120, lead
Needle, 122, hold needle handle, 124, pressing part, 126, safety seal, 1262, insertion hole, 1264, guide groove, 1266, fixing groove, 20,
Hose, the 30, the 1st injection part, 310,410, main body, 320,420, inlet, 330, double check valve, 430, one-way non-return
Valve, 340,440, magnifying glass, 350,450, filter tip, the 40, the 2nd injection part, 50, fixed part, 510, main part, the 512, the 2nd
Be inserted into hole, 514, access hole, 516, compressing protrusion, 520, pressing adjust part, the 522, the 3rd insertion hole, 524, fixing groove, 530,
Elastic component, 532, fixed lobe.
Specific embodiment
1-8 with reference to the accompanying drawing makees in detailed below a kind of medical blood vessel intubator of reinforcement safety of the invention
Explanation.
In conjunction with attached drawing 1, the present invention provides a kind of vessel catheter device 1, injects part by cannula part 10, hose the 20, the 1st
30,2nd insertion section point 40 and fixed part 50 are constituted.
Wherein soft syringe needle 112 can be smoothly injected into the blood vessel of patient by cannula part 10.In conjunction with attached drawing 1,2, intubation
The internal-internal design of part 10 has 110 structure of accommodation space 111 and threeway, and the one end design of threeway 110 has to be held with internal
Receive space 111 be connected and with certain length soft syringe needle 112.
Blood vessel of the above-mentioned soft syringe needle 112 because that can be directly injected into patient, is made of harmless material.Together
When, soft syringe needle 112 can also be by that can be designed with movable soft material, will not be because of after being injected into patient vessel
The voluntary activity of patient and generate pain.
In the accommodation space 111 of 110 structure of threeway design have can prevent injection after medical fluid flow back check-valves 114.
Check-valves 114 is higher by coefficient of friction, and the preferable silicon materials of elasticity are made.Check-valves 114 uses interference fit type
It is inserted into and fixes in accommodation space 111.
There is the insert port 1142 that guide pin can be made to be inserted into the center portion design of check-valves 114.Insert port 1142 is upper
State guide pin 120 and the space that can be inserted be provided, after above-mentioned guide pin 120 removes, can according to the elasticity of check-valves 114 itself,
The reflux of the anti-Hemostatic Oral Liquid of state of phase mutual friction can be maintained with above-mentioned insert port 1142.
One end central design of check-valves 114 has the insertion groove 1144 with certain depth.
One end of check-valves 114, i.e., design has leaf spring 1146, one end of leaf spring 1146 on one end of 1144 part of insertion groove
It is inserted on above-mentioned insertion groove 1144, while design has and keeps closed closed convex between 1142 part of insert port in center
Play 1148.
In the present invention, 1146 structure of leaf spring can make the guide pin 120 in insert port 1142 in an inserted condition, will be upper
The outer for stating guide pin 120 maintains the stationary state of 1146 one end of leaf spring, when under guide pin 120 being dismantled at insert port 1142,
Leaf spring 1146 can rely on itself elasticity, by 114 one end of leaf spring fixed closed raised 1148 check-valves 114 insertion
It is fixed on slot 1144, closed structure is formed, the reflux of the anti-Hemostatic Oral Liquid of above-mentioned 1142 structure of insert port is utilized.
Design has more than one closed loop 115 at the outer of check-valves 114, which can guarantee the appearance in threeway 110
The firm closed structure received between space 111 and check-valves 114.
120 structure of guide pin is inserted in the inside of the soft syringe needle 112 of above-mentioned threeway 110 as shown in Figures 2 and 3, can
So that the needle of soft syringe needle 112 is smoothly inserted into blood vessel, soft syringe needle 112 is hereafter only fixed on blood vessel, the structure is can go
The hard metal material removed is made.
Needle handle 122 is held in design on one end of guide pin 120, can facilitate nurse etc. when having an acupuncture treatment convenient for operation.Guide pin it is another
One end design has pressing part 124, and the end that pressing part 124 is located at above-mentioned guide pin 120 is the part for being inserted into blood vessel, guide pin
120 part can press to enlarged diameter or width.
Guide pin 120 is fixed in the accommodation space 111 of above-mentioned threeway 110, after above-mentioned guide pin 120 is taken out, is led above-mentioned
The end section design of needle 120 has safety seal 120 that can prevent acupuncture treatment person from coming to harm.
Safety seal 126 is inserted in the accommodation space 111 of above-mentioned threeway 110, the side of check-valves 114.In guide pin 120
It when extraction, is designed on extracting direction together in threeway 110 and guide pin 120, after the extraction of guide pin 120, safety seal 126 is wrapped up
The safety accidents such as the injury occurred by guide pin 120 can be effectively prevented in end section in design.
Safety seal 126 by design center insertion hole 1262, and at one end center insertion hole 1262 connection, tool
There is the guide groove 1264 of certain depth, and designing on outer, on length direction has the fixing groove 1266 of certain depth to constitute.
It is inserted into hole 1262 and provides space for the insertion of guide pin 120.
Guide groove 1264 can be after the extraction of above-mentioned guide pin 120, and the pressing part 124 of guide pin 120 can hang over above-mentioned insertion hole
At 1262, it can be pulled out together with safety seal 126 with guide pin 120.Guide groove 1264 has certain depth, to make it in guide pin
120 one end does not outwardly protrude, and is designed at the inside of safety seal 126, can guarantee the safety of device.To guarantee guide pin 120
Pressing part 124 can be stably fixed at insertion hole 1262 one end, guide groove 1264 design funneling.
Fixing groove 1266 is designed on the side length direction of safety seal 126 with certain depth, can guarantee plate
The stabilization stationary state of one end of spring 1146.
Hose 20 can make injection etc. by the 1st and the as shown in Figure 1, be located at the side of the threeway 110 of cannula part 10
2 injection parts 30,40 are injected into blood vessel.
1st and the 2nd injection part 30,40 as shown in Figure 1 and Figure 4, positioned at one end of hose 20, can guarantee the suitable of infusion
Benefit carries out.On the 1st injection part 30, design has bi-directional configuration, and the function of injecting of the extraction or injection that can guarantee blood is suitable
The U-shaped double check valve that benefit carries out.Design can only inject the V-shaped one way stop peturn valve of injection on the 2nd injection part 40.
1st is similar with the 2nd injection part 30,40 overall structures, and non-return valve portion has difference.1st and 2 injection parts
3040 design, using the basic knot of the infusion syringe in No. 10-1815632 in applying for a patent before applicant
Structure.
1st and the 2nd injection part 30,40 is made of as shown in Fig. 4 to Fig. 6 main body 310,410 and inlet 320,420.
Main body 310,410 is designed as built up structure, and one end is connected with hose 20, and the tools such as the other end and syringe are formed detachably
Formula structure.Inner Constitution of the inlet 320 in main body 310,410, the structure that use can support injection etc. to inject or exclude.
Inlet 320420 is made of the insertion needle 332,442 and screwed pipe wrapped outside 328,428 in center.
The design of insertion needle 322,422 is conical, and upper end design has the injection hole 324,424 for allowing injection or medical fluid to inject.Injection
Hole 324,424 is commonly designed four, is not limited thereto certainly, can be needed to adjust number according to infusion.Insertion needle 322,422
Intercommunicating pore 326,426 is designed on the injection hole 324,424 of inside can guarantee that injection can be by connecting pipeline.
The design of screwed pipe 328,428 is wrapped in the outer into syringe needle 322,422, can prevent insertion needle 322,422 from revealing
Out outside, pollution can be blocked, safety is improved.Screwed pipe 328,428 is made of elastic preferable silicon materials.
There is the double check valve 330 for meeting the 1st the 2nd injection part 30,40 respective functions in the lower section of inlet 320,420
With one way stop peturn valve 430.
In the present invention, the lower section for the inlet 320 that the design of double check valve 330 injects part 30 the 1st is u-shaped, no
It only can satisfy the injection of medical fluid, blood drawing function can also be provided.As shown in figure 5, double check valve 330 is by soft materials such as silicon
It is made, there is good elasticity.The incision structure of "-" type or X font is formed in center, when not by external force, by certainly
Body hearing can close cut out portion, and air-tight state is kept to prevent medical fluid from flowing back.When by injection pressure or blood drawing etc.
When the external forces such as draft, cut-away portions outward force direction is opened, and can complete the injection of medical fluid or the extraction of blood.
In the present invention, one way stop peturn valve 430 of the preferable soft material of the elasticity such as silicon as shown in fig. 6, be made.Central design
There is the notch of "-" type or X font, when not by external force, air-tight state is kept according to natural resiliency incision, is prevented
The reflux of medical fluid or blood.When by extraction force, due to the characteristic of its structure, cut out portion is able to maintain more closed
State, be that extraction operation is unable to complete, in contrast, being capable of forced direction outward in the thrust by injection
It opens, completes the injection of medical fluid.
In the present invention, more than one magnifying glass 340,440, magnifying glass are installed on the 1st and the 2nd injection part 30,40
340,440 it is made into convex type lens morphology, can will passes through the injection or extract of the 1st and the 2nd injection part 30,40 in perfusion tube
In the substances such as foreign matter such as glass fragment or air be amplified to naked eyes visible level.By Design enlargement mirror 30,40, meat can be used
Whether judgement on it is by having foreign matter in above-mentioned 1st and the 2nd injection injection of part 30,40 or the liquid extracted easily for eye, just
In nurse operation, the safety of infusion is improved.
In the present invention, filter tip 350,450 is installed on the 1st and the 2nd injection part 30,40, can be used to filter
Fall foreign matter in injection.Main body 310,410 and check-valves of the design of filter tip 350,450 in the 1st and the 2nd injection part 30,40
330, between 430, during injection is injected by check-valves 330,430, filtration is played, filter tip 350,450
Filtration can need to adjust position or structure according to injection, according to actual use, the structure of filter tip 350,450 not office
It is limited to this.
In the present invention, filter tip 350,450 is sintered by PE or PP.Certainly, it is also not limited to this, as long as can guarantee it
Filtering function, and keep the close connection between main body 310,410 also to can according to need and separately design.
The design of fixed part 50 is in the side of hose 20, to guarantee that the injection and pumping of injection cannot be carried out on hose 20
It takes, which is designed to enclosed construction.Fixed part 50 is as shown in fig. 7, comprises main part 510, pressing adjust 520 He of part
Elastic component 530.
The center insertion hose 20 of 510 structure of main part comprising the 2nd insertion hole 512 of perforation main part 510.Main body
The insertion hole 512 of portion 510 and the 2nd adjusts going on smoothly for part 520 in intersection construction, to guarantee to press, and designing to have can support to be somebody's turn to do
The access hole 514 of function.
Design has pressing to adjust part 520 at access hole 514, can oppress hose 20, presses to keep stable
Pressure condition, in above-mentioned hose 20, more than one oppresses protrusion 516 to maintain this stable oppression state.
Compressing protrusion 516 is the part that hose 20 relies on that pressing adjusting part 520 is oppressed.For example, being inserted into hole the 2nd
512 and 514 cross section of access hole, the protrusion of certain altitude is formed, can guarantee the compressing masterpiece of hose 20 by the protrusion
With going on smoothly.According to circumstances needing to oppress protrusion 516 also can be omitted.
Pressing, which adjusts part 520, can maintain 514 insert state of access hole on main part 510, unidirectional left and right back and forth,
The a part of of hose 20 can be folded or be unfolded, and play the effect that can choose constraint hose 20 or interrupt infusion.
There is the 3rd insertion hole 522 in the part design that pressing adjusts the center insertion hose 20 of part 520.
Pressing adjust part 520 side on be inserted into elastic member 530, for guarantee elastic component 530 stabilization and
Fixed constraint effect devises more than one fixing groove 524.
The design of elastic component 530 can play beam in the inside of main part 510, to guarantee to press adjusting part 520 well
Left and right is tied up, guarantees stable structure.Elastic component 530 is with itself flexible leaf spring morphosis.
Installation and removal are completed in the fixing groove 524 that pressing adjusts 520 side of part in elastic component 530, are simultaneously
Guarantee that above-mentioned pressing adjusts the better constraint in part 520 effect, design has the fixed lobe 532 with supporting role.
A kind of medical blood vessel intubator with enhanced safety of the invention, use process is as follows:
Firstly, the guide pin 120 in the soft syringe needle 112 of 110 structure of threeway is inserted into, in the state of blood vessel acupuncture treatment in handle
In the state of holding cannula part 10, guide pin 120 is penetrated.Acupuncture treatment complete after, by the soft syringe needle in guide pin 120 be inserted into
Blood vessel.
Then, soft syringe needle 112 is maintained to penetrate the state of blood vessel, hold 120 side of guide pin holds needle handle 122, by guide pin
120 removals keep the state that soft syringe needle 112 is penetrated to blood vessel.
At this point, as shown in Figure 3a, guide pin 120 will be disengaged from soft syringe needle 112, where the check-valves 114 in threeway 110
Removal at insert port 1142, check-valves 114 will play natural resiliency effect, and insert port 1142 is closed, to complete first time
Anti- backflow.
By when the guide pin 120 of removal continues to extract at check-valves 114, guide pin 120 will be by fixed press section at one end
Divide the guide groove 1264 in 124 at safety seal 126, the insertion at insertion hole 1262 is completed, due to above-mentioned pressing part 124
Diameter or length are longer than the length for being inserted into hole 1262, therefore are able to maintain that and stable catch on state.Then, continue to lead above-mentioned
Needle 120 is extracted outward, because pressing part can maintain stable state at insertion hole 1262, therefore by safety seal 126 and can be led
Needle 120 is extracted together at threeway 110.
As shown in Figure 3b, safety seal 126 is fixed on check-valves 114 when being removed in 110 accommodation space 111 of threeway
The side of one section of leaf spring 1146 is removed at the fixing groove 1266 of safety seal 126, and leaf spring 1146 relies on natural resiliency, hair
Restoring force is waved, will be fixed in closed raised 1148 insertion grooves 1144 being inserted on check-valves 114 of 1146 side of leaf spring, together
When, check-valves 114 plays secondary anti-return effect.
Then, when guide pin 120 is removed at threeway 110, it is fixed on the safety seal 126 of 124 one end of pressing part
It removes together, which can ensure that above-mentioned 120 do not expose and can guarantee that operator will not be because of the guide pin 120 of removal outside
And come to harm, it ensures the safety of operator, prevents the generation of malpractice.
After completing above-mentioned acupuncture treatment process, when injection is injected by the 1st and the 2nd injection part 30,40, above-mentioned 1st He
2nd injection part 30,40 will all be connected with main body 310,410 to play a role.
In the case where drawing blood, the 1st injection part 30 in main body 30 will connect completion with utensils such as syringes and take out
Blood operation.
As shown in Figure 8 a, the 2nd insertion hole 512 on main part 510 and pressing adjust the 3rd insertion hole 522 on part 520
Connected state is formed, while making infusion keep constantly inject state by hose 20, hose 20 is stablized into fixation, while can be by
It is mobile to other directions that pressing adjusts part 520.
As shown in Figure 8 b, it when pressing adjusting part 520 is mobile to other directions, is inserted in above-mentioned pressing and adjusts part 520
The 3rd insertion hole 522 20 part of hose also will move with.
At this point, compressing protrusion 516 of the design inside main part 510 plays a role, the side of hose 20 is oppressed, and is maintained
This state when hose 20 is mobile, can carry out convolution or compressing to hose to complete constraint operation.
Because the fixed lobe 532 of elastic component 530 on main part 510 can be inserted into fixing groove 524, not by huge
In the case of external force, pressing adjusts part 520 and will not arbitrarily move, and is able to maintain the stabilization stationary state to hose 20.
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (8)
1. a kind of medical blood vessel intubator for reinforcing safety, which is characterized in that by cannula part (10), hose (20), the 1st
Injection part (30), 2nd insertion section point (40) and fixed part (50) are constituted, and are equipped with soft needle on the cannula part (10)
Soft syringe needle (112) is pricked into blood vessel when operation by cannula part (10), is prolonged in the side of cannula part (10) by head (112)
It stretches out hose (20), the 1st injection part (30), 2nd insertion section point (40) are connected to the end of the hose (20) in branching type,
Design has the double check valve (330) for being able to satisfy injection and extracting two kinds of functions on the 1st injection part (30), in the 2nd injection
Partially design has the one way stop peturn valve (430) that can only meet function of injection on (40), and design has fixed part on hose (20)
(50), for selectively being fettered and being released to hose.
2. a kind of medical blood vessel intubator for reinforcing safety according to claim 1, which is characterized in that the intubation
Partially the interior design of (10) has accommodation space (111) and threeway (110) structure, and the one end design of threeway (110) structure has
It is connected and has the soft syringe needle (112) of certain length with interior accommodating space (111), in the receiving of threeway (110) structure
There is for preventing the check-valves (114) that medical fluid flows back after injecting design in space (111), insert in the inside of threeway (110) structure
Enter to have guide pin (120), for making the needle of soft syringe needle (112) smoothly be inserted into blood vessel, after soft syringe needle (112) penetrates, leads
Needle (120) is extracted at soft syringe needle (112), maintains only have soft syringe needle (112) to stay in endovascular state.
3. a kind of medical blood vessel intubator for reinforcing safety according to claim 2, which is characterized in that the non-return
Insert port (1142) are designed on valve (114), insert port (120) is that guide pin (120) provide pluggable space, and guide pin (120) pulls out
When out, insert port (1142) realizes that closing, one end design of the generation of anti-backflow, guide pin (120) have by natural resiliency
Pressing part (124), pressing part (124) are located at the end of guide pin, that is, are inserted into the part of blood vessel, pass through pressing part (124)
Pressing comes enlarged diameter or width, and the end section design of guide pin (120) has safety seal (126), for preventing guide pin (120)
Injury accident occurs.
4. a kind of medical blood vessel intubator for reinforcing safety according to claim 3, which is characterized in that the safety
Designing in sealing (126) has insertion hole (1262), guide groove (1264) is equipped with inside safety seal (126), wherein being inserted into hole
(1262) insertion for guide pin (120) provides space, and guide groove (1264) has certain depth, after guide pin (120) are extracted,
Guide pin (120) pressing part (124) limit insertion hole (1262) at, with guide pin (120) together with safety seal (126) one
It rises and extracts.
5. a kind of medical blood vessel intubator for reinforcing safety according to claim 4, which is characterized in that the non-return
One end design of valve (114) has the insertion groove (1144) with certain depth, and design has leaf spring on check-valves (114)
(1146), leaf spring (1146) side is fixed on the one end of check-valves (114) close to insertion groove (1144), and the other side relies on itself bullet
Property play a role, the side of leaf spring (1146), which is equipped with, can guarantee leaf spring with closed raised (1148), closed protrusion (1148)
(1146) when playing elastic reaction, fixation can be stablized at check-valves (114) insert port (1142), play the work of anti-backflow
With；Design has fixing groove (1266) on safety seal (126), which is to have certain thickness in the longitudinal direction
Structure, in the case where guide pin (120) is in insert state, fixed installation shape of the fixing groove (1266) to maintain the leaf spring other side
State supports leaf spring (1146) to play elastic reaction when guide pin (120) and safety seal (126) are removed.
6. a kind of medical blood vessel intubator for reinforcing safety according to any one of claims 1-5, feature exist
In design has main body (310) (410) part on the 1st and the 2nd injection part (30) (40), which is designed to that one end is solid
It is scheduled on hose (20), the structure that the other end can be connect in the external world with other medical apparatus, and in main body (310) (410)
Design has inlet (320) (420), and design has the dual check of U-shaped on the inlet (320) of the 1st injection part (30)
Valve (330) can satisfy injection and extract two kinds of functions.Design has V-shaped on the inlet (420) of the 2nd injection part (40)
One way stop peturn valve (430), the function of inwardly injecting can only be provided.
7. a kind of medical blood vessel intubator for reinforcing safety according to any one of claims 1-5, feature exist
In there is main part (510) design on the fixed part (50), there is design on main part (510) can allow hose (20) to be inserted into
2nd insertion hole (512) He Yu 2 is inserted into the access hole (514) of hole (512) cross-over design；In main part (510) access hole
(514) it is equipped with the 3rd insertion hole (522) being inserted into for hose (20)；Design has pressing to adjust part on main part (510)
(520), to when hose (20) is mobile to side, which can be moved, and roll over hose (20) therewith dynamic, realization pair
The constraint of hose (20) acts on.
8. a kind of medical blood vessel intubator for reinforcing safety according to any one of claims 1-5, feature exist
In design elastic member (530) on the fixed part (50) exists for allowing pressing to adjust partially (520) and hose (20)
When mobile by constraint active force, it can prevent pressing from adjusting what part (520) was arbitrarily moved therewith.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2019-0002595 | 2019-01-09 | ||
| KR1020190002595A KR102221456B1 (en) | 2019-01-09 | 2019-01-09 | Safety intra-vascular catheter set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109908430A true CN109908430A (en) | 2019-06-21 |
Family
ID=66964496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910188113.1A Pending CN109908430A (en) | 2019-01-09 | 2019-03-13 | A kind of medical blood vessel intubator for reinforcing safety |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102221456B1 (en) |
| CN (1) | CN109908430A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0190382A1 (en) * | 1985-02-06 | 1986-08-13 | Liang-Tung Hu | Liquid flow controller |
| US4787406A (en) * | 1987-09-21 | 1988-11-29 | Baxter International Inc. | Fluid flow control clamp and method for using same |
| CN1946959A (en) * | 2004-05-19 | 2007-04-11 | 韦尔奈实验室公司 | Combination umbrella and inverted bi-directional valve |
| CN101500637A (en) * | 2006-08-11 | 2009-08-05 | 贝克顿·迪金森公司 | Integrated septum and needle tip shield for a catheter assembly |
| CN202010359U (en) * | 2010-09-05 | 2011-10-19 | 张国 | Double safety indwelling needle |
| CN202185012U (en) * | 2011-07-29 | 2012-04-11 | 成都市新津事丰医疗器械有限公司 | Venous retention needle without heparin cap and guide tube seat thereof |
| WO2014169428A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Flow-stopping clamp apparatus |
| CN203971057U (en) * | 2014-06-27 | 2014-12-03 | 陈伟权 | A kind of remaining needle |
| CN105142707A (en) * | 2012-12-20 | 2015-12-09 | 德尔塔梅德股份公司 | Cannula needle with protective member |
| CN205007372U (en) * | 2015-10-08 | 2016-02-03 | 郑伟 | Prevent back blood formula vein and keep somewhere needle |
| KR20170102918A (en) * | 2015-01-02 | 2017-09-12 | 비그메드 아베 | Needle hub and iv catheter system comprising such needle hub |
| CN107405471A (en) * | 2014-10-27 | 2017-11-28 | 江西丰临医疗科技股份有限公司 | Intravenous catheter component |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101112639B (en) | 2006-07-27 | 2012-07-18 | 贝克顿·迪金森公司 | Vessel having a safeguard device and introducing needle component |
| US9943679B2 (en) * | 2011-01-28 | 2018-04-17 | Johan-Christoph Geller | Stopcock on a catheter-like or a sheath-like medical installation |
| KR101660713B1 (en) | 2015-09-21 | 2016-09-28 | 이상운 | Safety I.V. catheter set |
| KR101916813B1 (en) | 2018-08-03 | 2018-11-08 | 이화용 | Safety intravenous injection catheter |
-
2019
- 2019-01-09 KR KR1020190002595A patent/KR102221456B1/en active IP Right Grant
- 2019-03-13 CN CN201910188113.1A patent/CN109908430A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0190382A1 (en) * | 1985-02-06 | 1986-08-13 | Liang-Tung Hu | Liquid flow controller |
| US4787406A (en) * | 1987-09-21 | 1988-11-29 | Baxter International Inc. | Fluid flow control clamp and method for using same |
| CN1946959A (en) * | 2004-05-19 | 2007-04-11 | 韦尔奈实验室公司 | Combination umbrella and inverted bi-directional valve |
| CN101500637A (en) * | 2006-08-11 | 2009-08-05 | 贝克顿·迪金森公司 | Integrated septum and needle tip shield for a catheter assembly |
| CN202010359U (en) * | 2010-09-05 | 2011-10-19 | 张国 | Double safety indwelling needle |
| CN202185012U (en) * | 2011-07-29 | 2012-04-11 | 成都市新津事丰医疗器械有限公司 | Venous retention needle without heparin cap and guide tube seat thereof |
| CN105142707A (en) * | 2012-12-20 | 2015-12-09 | 德尔塔梅德股份公司 | Cannula needle with protective member |
| WO2014169428A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Flow-stopping clamp apparatus |
| CN203971057U (en) * | 2014-06-27 | 2014-12-03 | 陈伟权 | A kind of remaining needle |
| CN107405471A (en) * | 2014-10-27 | 2017-11-28 | 江西丰临医疗科技股份有限公司 | Intravenous catheter component |
| KR20170102918A (en) * | 2015-01-02 | 2017-09-12 | 비그메드 아베 | Needle hub and iv catheter system comprising such needle hub |
| CN205007372U (en) * | 2015-10-08 | 2016-02-03 | 郑伟 | Prevent back blood formula vein and keep somewhere needle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20200086440A (en) | 2020-07-17 |
| KR102221456B1 (en) | 2021-03-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220322984A1 (en) | Passive safety i.v. blood collection catheter | |
| US4874377A (en) | Self-occluding intravascular cannula assembly | |
| US6428520B1 (en) | Positive-flow valve | |
| JP2888990B2 (en) | Implantable access device | |
| ES2854002T3 (en) | Conical diffuser tip | |
| JP2007502164A (en) | Catheter with valve | |
| JPH09509075A (en) | Catheter or cannula device | |
| CN101104094A (en) | Safety type artery and venous indwelling needle with airtight interface without needle | |
| CN102824666B (en) | Capsule card venous detaining needle with double pressure functions | |
| EP0929340A1 (en) | Vein catheter for coaxial blood stream and use of a split needle for its introduction in a vein | |
| CN101229412A (en) | Y-type safe arteriovenous remaining needle with needle-free interface plus pressure closed-type valve | |
| CN104740718B (en) | Curved bag double-pressure Y-shaped indwelling needle | |
| CN109908430A (en) | A kind of medical blood vessel intubator for reinforcing safety | |
| CN209154748U (en) | It is a kind of can automatic rebounding remaining needle | |
| KR102220836B1 (en) | Prevention module on blood backflow for injection of ringer's solution | |
| CN208989884U (en) | Anti- embolism continuous positive pressure remaining needle | |
| CN208339882U (en) | A kind of tongs | |
| CN218484945U (en) | Medical straight tube type remaining needle | |
| CN216169202U (en) | Venous indwelling needle | |
| CN216148739U (en) | Blood return prevention venous transfusion device | |
| CN209060194U (en) | Remaining needle | |
| KR102213149B1 (en) | Angiocatheter easy to confirm correct vascular insertion | |
| CN208389098U (en) | A kind of vein delay needle | |
| CN208610945U (en) | A kind of no pressure high-safety needle staying on vein | |
| CN209091555U (en) | One kind, which is donated blood, uses syringe needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190621 |
|
| RJ01 | Rejection of invention patent application after publication |