CN107469191A - A kind of anti-venous indwelling needle - Google Patents
A kind of anti-venous indwelling needle Download PDFInfo
- Publication number
- CN107469191A CN107469191A CN201710881737.2A CN201710881737A CN107469191A CN 107469191 A CN107469191 A CN 107469191A CN 201710881737 A CN201710881737 A CN 201710881737A CN 107469191 A CN107469191 A CN 107469191A
- Authority
- CN
- China
- Prior art keywords
- needle
- notch
- venous indwelling
- valve element
- prevention device
- 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
- 238000001802 infusion Methods 0.000 claims abstract description 33
- 208000012266 Needlestick injury Diseases 0.000 claims abstract description 28
- 230000002265 prevention Effects 0.000 claims abstract description 28
- 239000008280 blood Substances 0.000 claims abstract description 15
- 210000004369 blood Anatomy 0.000 claims abstract description 15
- 239000012634 fragment Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 206010011409 Cross infection Diseases 0.000 abstract description 6
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 6
- 210000003462 vein Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000002861 polymer material Substances 0.000 description 4
- 238000001467 acupuncture Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- -1 Ether ketone Chemical class 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 206010049976 Impatience Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000002552 dosage form Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention provides a kind of anti-venous indwelling needle, including notch needle tubing, needle handle, catheter block, flexible pipe and infusion connector component, catheter block is equipped with needle handle, catheter block left end is provided with conduit, provided with batching pig and the Needlestick prevention device being arranged on the right side of batching pig in catheter block, notch needle tubing one end is fixed on needle handle, and the other end is placed in conduit through Needlestick prevention device and batching pig, and notch needle tubing is provided with blood back groove；Catheter block connects infusion connector component by flexible pipe；Needlestick prevention device includes deck and the shell fragment being assemblied on deck.The present invention sets Needlestick prevention device in anti-venous indwelling needle, medical personnel to patient after puncturing, during pin is pulled out, deck is entered in blood back groove, the shell fragment on Needlestick prevention device pins the needle point of notch needle tubing simultaneously, Needlestick prevention device is fixed at the needle point of notch needle tubing, effectively avoids stabbing medical personnel and causing cross-infection, improve the security of venous detaining needle.
Description
Technical field
The present invention relates to medical instruments field, more particularly to a kind of anti-venous indwelling needle.
Background technology
The application of venous detaining needle (vein detained needle) is the preferable method of clinical transfusion, on the one hand can be with
Mitigate the pain that infant brings because scalp acupuncture punctures repeatedly and the adult for going for long-term infusion.On the other hand also mitigate
The workload of clinical nurse.The use of venous detaining needle can reduce patient because venipuncture repeatedly and caused by pain and to having an injection
Fear, mitigate the impatience of family members, be easy to clinical application, anxious, the rescue medication of critical patient, reduce the pain of patient
Sense, thus venous detaining needle is in wide clinical application.
At present, there is potential safety hazard in used disposable remaining needle, medical personnel exist during medical personnel's use
After being punctured to patient, during pin is pulled out, because draw point is elongated, and needle point is very sharp, it is easy to stabs medical personnel
And cause cross-infection.It is negative that the safety problem of remaining needle causes medical personnel to produce a kind of psychology when using this kind of product
Load, so as to have impact on the therapeutic effect to patient, in order to solve existing issue, occur one kind currently on the market and carry protection device
Disposable remaining needle, but due to its unreasonable structure, manufacturing process complexity be present, cost is high, use not side
Just the problems such as.
Therefore, a kind of venous detaining needle simple in construction, easy to use how is designed, and medical personnel's quilt can be avoided
Stab, turn into urgent problem to be solved.
The content of the invention
The present invention is the drawbacks described above for solving prior art, there is provided a kind of anti-venous indwelling needle.
The present invention provides a kind of anti-venous indwelling needle, including notch needle tubing, needle handle, catheter block, flexible pipe and three connect
Head, described catheter block one end are provided with conduit, and the other end connects the needle handle, is sequentially provided with batching pig in the catheter block and sets
The Needlestick prevention device on the right side of the batching pig is put, described notch needle tubing one end is fixed on the needle handle, and the other end passes through institute
State Needlestick prevention device and batching pig is placed in the conduit, the notch needle tubing is provided with blood back groove；The catheter block passes through soft
Pipe connects the three-way connection；The Needlestick prevention device includes deck and the shell fragment being assemblied on the deck, the deck
For being caught in the blood back groove when the notch needle tubing is extracted, the shell fragment is used to pin institute when the notch needle tubing is extracted
State notch needle tubing.
Wherein, described three-way connection one end is provided with connecting seat, and the other both ends of the three-way connection are respectively equipped with positive crimping
Head and cone joint, the positive pressure connector outer surface are provided with the external screw thread coordinated with external infusion device joint, the positive pressure connector
Valve element and spring are sequentially provided between connecting seat, the valve element is slidably connected with positive pressure connector, and the both ends of the spring is solid respectively
It is scheduled on the valve element and connecting seat, is provided with to penetrate the first of the cone joint and connecting seat and infuse in the three-way connection and leads to
Road and the second infusion channel of the insertion positive pressure connector and connecting seat；The valve element is used for after the completion of transfusion by spring bullet
Power movement the second infusion channel of compression forms malleation.
Wherein, elastic packing plug is provided with the cone joint port, the elastic packing is provided with slit beyond the Great Wall.
Wherein, the end face of the valve element and external contact is inclined-plane.
Wherein, the contact position of the valve element both ends and three-way connection is respectively equipped with sealing ring and lower seal, described
Valve element is tightly connected by the upper sealing ring and lower seal with the three-way connection.
Wherein, the connecting seat is tightly connected by connecting seat sealing ring and the three-way connection.
Wherein, the valve element and deck are made up of medical macromolecular materials.
Wherein, it is provided with the outside of the conduit and is used to prevent the exposed protective case of notch needle tubing needle point.
Wherein, the catheter block is connected with conduit by metal wedge.
Wherein, tongs is provided with the outside of the flexible pipe, the tongs includes boss, groove and snap fit；The boss is used
Flexible pipe is clamped into current limliting in coordinating with snap fit, the groove for being used for making decoction slow transit through flexible pipe is provided with the boss.
Anti- venous indwelling needle provided by the invention has the characteristics of simple in construction, easy to use, in venous detaining needle
Interior setting Needlestick prevention device, medical personnel to patient after being punctured, and during pin is pulled out, deck is entered in blood back groove, together
When Needlestick prevention device on shell fragment the needle point of notch needle tubing is locked, Needlestick prevention device is fixed at the needle point of notch needle tubing,
Effectively avoid stabbing medical personnel and causing cross-infection, ensured the person peace of medical personnel, patient and waste disposal workers
Entirely, the risk of infection is substantially reduced, improves the security of venous detaining needle.
Brief description of the drawings
Fig. 1 is the structural representation according to anti-venous indwelling needle provided in an embodiment of the present invention；
Fig. 2 is the structural representation according to three-way connection provided in an embodiment of the present invention；
Fig. 3 is according to tongs structural representation provided in an embodiment of the present invention；
In figure, 1：Catheter block；2：Metal wedge；3：Conduit；4：Notch needle tubing；5：Batching pig；6：Needle handle；7：Protective case；8：
Deck；9：Shell fragment；10：Connecting seat；11：Three-way connection；12：Valve element；13：Upper sealing ring；14：Lower seal；15：Connecting seat is close
Seal；16：Spring；17：Elastic packing plug；18：Flexible pipe；19：Tongs；20：Needlestick prevention device；21：Positive seal device；
22：Blood back groove；23：Boss；24：Groove；25：Snap fit；26：First infusion channel；27：Second infusion channel；28：External screw thread；
29：Cone joint.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is explicitly described, it is clear that described embodiment be the present invention
Part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, belongs to the scope of protection of the invention.
Fig. 1 is the structural representation according to anti-venous indwelling needle provided in an embodiment of the present invention, as shown in figure 1, should
Anti- venous indwelling needle includes notch needle tubing 4, needle handle 6, catheter block 1, flexible pipe 18 and infusion connector component, on the needle handle 6
Catheter block 1 is equipped with, the left end of catheter block 1 is provided with conduit 3, and batching pig 5 is provided with the catheter block 1 and is arranged on described
The Needlestick prevention device 20 on the right side of batching pig 5, described one end of notch needle tubing 4 are fixed on the needle handle, and the other end is prevented through described
Needling device 20 and batching pig 5 are placed in the conduit 3, and the notch needle tubing 4 is provided with blood back groove 22；The catheter block 1 is logical
Cross flexible pipe 18 and connect the infusion connector component；The Needlestick prevention device 20 includes deck 8 and is assemblied on the deck
Shell fragment 9, the deck are used to be caught in the blood back groove 22 when the notch needle tubing 4 is extracted, and the shell fragment 9 is used in the groove
Lancet pipe 4 pins the notch needle tubing 4 when extracting.
Specifically, the venous detaining needle that the present embodiment provides flows through flexible pipe 18 and entered in use, decoction enters three-way connection 11
Enter in catheter block 1, then flow into conduit 3, finally flow into vein blood vessel.Medical personnel enter anti-venous indwelling needle to patient
After row correctly punctures, conduit 3 is incorporated into the vein blood vessel of human body, then pinches needle handle 6 notch needle tubing 4 from human vein
Blood vessel is extracted, and conduit 3 is just trapped in the vein blood vessel of human body.When the blood back groove 22 on notch needle tubing 4 is moved to anti-acupuncture dress
When putting 20 deck 8, deck 8 is entered in blood back groove 22, avoids notch needle tubing from departing from Needlestick prevention device 20, while anti-acupuncture fills
The shell fragment 9 put on 20 locks the needle point of notch needle tubing 4, Needlestick prevention device 20 is fixed at the needle point of notch needle tubing 4, then
Notch needle tubing 4 with Needlestick prevention device 20 is pulled out out of catheter block 1, now the needle tip of notch needle tubing 4 is just hidden completely
In Needlestick prevention device 20, it effectively prevent notch needle tubing 4 and stab medical personnel and cause cross-infection, improve venous indwelling
The security of pin.
Anti- venous indwelling needle provided in an embodiment of the present invention has the characteristics of simple in construction, easy to use, in vein
Needlestick prevention device is set in remaining needle, and medical personnel to patient after puncturing, and during pin is pulled out, deck enters blood back groove
It is interior, while the shell fragment on Needlestick prevention device locks the needle point of notch needle tubing, and Needlestick prevention device is fixed on to the pin of notch needle tubing
At point, effectively avoid stabbing medical personnel and causing cross-infection, ensured the people of medical personnel, patient and waste disposal workers
Body safety, the risk of infection is substantially reduced, improve the security of venous detaining needle.
In one embodiment, described one end of three-way connection 11 is provided with connecting seat 10, and other the two of the three-way connection 11
End is respectively equipped with positive pressure connector 21 and cone joint 29, and the outer surface of positive pressure connector 21 is provided with to be coordinated with external infusion device joint
External screw thread 28, be sequentially provided with valve element 12 and spring 16 between the positive pressure connector 21 and connecting seat 10, the valve element 12 with just
Crimp head 21 is slidably connected, and the both ends of spring 16 are separately fixed on the valve element 12 and connecting seat 10, the three-way connection
It is interior to be provided with the first infusion channel 26 for penetrating the cone joint and connecting seat 10 and the insertion positive pressure connector 21 and connection
Second infusion channel 27 of seat 10；The valve element 12 is used to after the completion of transfusion be moved the second infusion channel of compression by spring force
27 form malleation.
Fig. 2 is the structural representation according to three-way connection provided in an embodiment of the present invention, and as depicted in figs. 1 and 2, three connect
The connecting seat 10 of first 11 one end connects needle tubing component by flexible pipe 18, and 19 other both ends of three-way connection are respectively equipped with positive pressure connector 21
With cone joint 29, in the present embodiment, when not infusing, three-way connection 11 keeps sealing by elastic packing plug 17 and valve element 12,
Air and impurity is avoided to enter；When external infusion device is infused at cone joint 29, transfusion device passes through on elastic packing plug 17
Slit squeeze into cone joint 29, then decoction pass through the first infusion channel flow into flexible pipe 18 and by flexible pipe 18 enter needle tubing group
Part, most flow into vein blood vessel through needle tubing component afterwards；After the completion of transfusion, external infusion device is extracted from elastic packing plug 17, elasticity
The closure of sealing-plug 17 seals cone joint, avoids air and impurity from entering, prevents liquid leakage；At the both ends of three-way connection 11
Set the side of positive pressure connector 21 that cone joint 29 is set respectively, can be achieved to carry out the input of two kinds of decoctions simultaneously.
As shown in Fig. 2 valve element 12 is an inclined-plane with end face at external interface, prevent external infusion device joint with just crimping
Sliding is produced during first 21 connection.When external infusion device is infused at positive pressure connector 21, the infusion connector of external infusion device passes through
Threaded connection screws in positive pressure connector 21, and external infusion device pushes valve element 12, and then the spring 16 for making to be connected with valve element 12 is forced
Contract, the decoction in external infusion device flows into connecting seat 10 by the second infusion channel 27, and enters flexible pipe 18, stream from connecting seat 10
Enter needle tubing component through flexible pipe 18, most flow into vein blood vessel through needle tubing component afterwards；After the completion of transfusion, external infusion device is from valve element
Taken out at 12, spring 16 discharges pressure and opened, and moves valve element 12, and then the volume of the second infusion channel 27 is diminished, and produces and squeezes
Press the inner liquid medicine of the second infusion channel 27 to flow to the normal pressure of flexible pipe 18, avoid screwing out negative pressure institute caused by external infusion device joint
Caused decoction backflow or blood backflow, pre- blood-backflow preventing form bolt into venous detaining needle and blocked up；And it is not required to heparin in sealing
Deng operation, make the more simplified convenience of operation, improve the operating efficiency of medical personnel.
In one embodiment, the both ends of valve element 12 and the contact position of three-way connection 11 are respectively equipped with sealing ring 13
With lower seal 14, the valve element 12 is connected by the upper sealing ring 13 and lower seal 14 with the three-way connection 11 sealing
Connect.When external infusion device is extracted from positive pressure connector 21, upper sealing ring 13, lower seal 14 and connecting seat sealing ring 15 rise simultaneously
To sealing function, liquid leakage is prevented, avoids air and bacterium from entering three-way connection 11.
In one embodiment, the connecting seat is tightly connected by connecting seat sealing ring and the three-way connection.Connection
Seat sealing ring 15 makes connecting seat 10 be tightly connected with three-way connection 11, and sealed environment avoids bacterium and air from entering.
In one embodiment, deck 8 and valve element 12 are made up of medical macromolecular materials.Medical macromolecular materials refer to use
To manufacture human body viscera, vitro in organ, pharmaceutical dosage form and the polymeric material of medicine equipment, its source includes natural biological high score
Sub- material and synthesising biological high polymer material.Natural medical polymer materials are derived from naturally, including cellulose, chitin, saturating
Bright matter acid, collagen, gelatin and sodium alginate etc.；Synthesis of medical high polymer material be by chemical method, it is artificial synthesized
It is currently used to have polyurethane, silicon rubber, polyester fiber, PVP, polyethers for medical high polymer material
Ether ketone, polymethyl methacrylate, polyvinyl alcohol, PLA, polyethylene etc..
In one embodiment, the outside of conduit 3, which is provided with, is used to prevent the exposed protective case 7 of the needle point of notch needle tubing 4.Such as
Shown in Fig. 1, the length of protective case 7 is extended at the 1~3cm of left end of notch needle tubing 4, and protective case 7 is set in the outside of conduit 3, can be with
Medical personnel are protected not stabbed by the notch needle tubing 4 in conduit.
In one embodiment, the catheter block 1 and conduit 3 are connected by metal wedge 2.Prevent the decoction in catheter block 1
During inflow catheter 3, there is the phenomenon of liquid leakage.
In one embodiment, the outside of flexible pipe 18 is provided with tongs 19, and the tongs 19 includes boss 23, groove
24 and snap fit 25；The boss 23 and snap fit 25 coordinate clamps current limliting by flexible pipe 18, is provided with the boss 23 and is used to make decoction
Slow transit through the groove 24 of flexible pipe.As shown in figure 1, flexible pipe 18 is provided with tongs 19, the tongs 19 is endless totally-enclosed knot
Structure, Fig. 2 are according to tongs structural representation provided in an embodiment of the present invention, as shown in Fig. 2 tongs 19 is provided with least two
Individual snap fit 25, when tongs 19 is merged at different snap fits 25, the clamping degree of tongs 19 is different, by the way that tongs 19 is closed
And at different snap fits 25, flow velocity of the decoction in flexible pipe 18 can be controlled.When patient needs to suspend transfusion, merge sealing
Folder 19, the decoction in flexible pipe 18 is stopped flowing, when patient needs to recover transfusion, open tongs 19, decoction is recovered stream
It is dynamic.
Anti- venous indwelling needle provided in an embodiment of the present invention has the characteristics of simple in construction, easy to use, in vein
Needlestick prevention device is set in remaining needle, and medical personnel to patient after puncturing, and during pin is pulled out, deck enters blood back groove
It is interior, while the shell fragment on Needlestick prevention device locks the needle point of notch needle tubing, and Needlestick prevention device is fixed on to the pin of notch needle tubing
At point, effectively avoid stabbing medical personnel and causing cross-infection, ensured the people of medical personnel, patient and waste disposal workers
Body safety, the risk of infection is substantially reduced, improve the security of venous detaining needle.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.Term " on ", " under " etc. refers to
The orientation or position relationship shown is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies
Description, rather than the device or element of instruction or hint meaning must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore be not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, above-mentioned term can be understood at this as the case may be
Concrete meaning in invention.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still can
It is enough that technical scheme described in foregoing individual embodiments is modified, or which part technical characteristic is equally replaced
Change；And these modifications or replacement, the essence of appropriate technical solution is departed from each embodiment technical scheme of the present invention
Spirit and scope.
Claims (10)
1. a kind of anti-venous indwelling needle, it is characterised in that including notch needle tubing (4), needle handle (6), catheter block (1), flexible pipe
(18) and three-way connection (11), described catheter block (1) one end are provided with conduit (3), and the other end connects the needle handle (6), described to lead
The Needlestick prevention device (20) for being sequentially provided with batching pig (5) in base (1) and being arranged on the right side of the batching pig (5), the groove
Lancet pipe (4) one end is fixed on the needle handle (6), and the other end is placed in through the Needlestick prevention device (20) and batching pig (5)
In the conduit (3), the notch needle tubing (4) is provided with blood back groove (22)；The catheter block (1) connects institute by flexible pipe (18)
State three-way connection (11)；The Needlestick prevention device (20) includes deck (8) and the shell fragment (9) being assemblied on the deck, institute
State deck to be used to be caught in the blood back groove (22) when the notch needle tubing (4) is extracted, the shell fragment (9) is used in the notch
Needle tubing (4) pins the notch needle tubing (4) when extracting.
2. anti-venous indwelling needle according to claim 1, it is characterised in that described three-way connection (11) one end is provided with
Connecting seat (10), the other both ends of the three-way connection (11) are respectively equipped with positive pressure connector (21) and cone joint (29), described
Positive pressure connector (21) outer surface is provided with the external screw thread (28) coordinated with external infusion device joint, the positive pressure connector (21) and connection
Valve element (12) and spring (16) are sequentially provided between seat (10), the valve element (12) is slidably connected with positive pressure connector (21), described
Spring (16) both ends are separately fixed on the valve element (12) and connecting seat (10), are provided with the three-way connection and are penetrated the circle
The of the first infusion channel (26) of taper joint and connecting seat (10) and the insertion positive pressure connector (21) and connecting seat (10)
Two infusion channels (27)；The valve element (12) is used to be moved the second infusion channel of compression (27) by spring force after the completion of transfusion
Form malleation.
3. anti-venous indwelling needle according to claim 2, it is characterised in that set at cone joint (29) port
Flexible sealing-plug (17), the elastic packing plug (17) are provided with slit.
4. anti-venous indwelling needle according to claim 2, it is characterised in that the valve element (12) and external contact
End face is inclined-plane.
5. the anti-venous indwelling needle according to claim 2 or 4, it is characterised in that valve element (12) both ends and three
The contact position of pass joint (11) is respectively equipped with sealing ring (13) and lower seal (14), and the valve element (12) is by described
Sealing ring (13) and lower seal (14) are tightly connected with the three-way connection (11).
6. anti-venous indwelling needle according to claim 2, it is characterised in that the connecting seat (10) passes through connecting seat
Sealing ring (15) is tightly connected with the three-way connection (11).
7. anti-venous indwelling needle according to claim 5, it is characterised in that the valve element (12) and deck (8) by
Medical macromolecular materials are made.
8. anti-venous indwelling needle according to claim 1, it is characterised in that be provided with and be used on the outside of the conduit (3)
Prevent the exposed protective case (7) of notch needle tubing (4) needle point.
9. anti-venous indwelling needle according to claim 1, it is characterised in that the catheter block (1) and conduit (3) are logical
Cross metal wedge (2) connection.
10. anti-venous indwelling needle according to claim 1, it is characterised in that be provided with tongs on the outside of the flexible pipe
(19), the tongs includes boss (23), groove (24) and snap fit (25)；The boss (23) is used for and snap fit (25) coordinates
Flexible pipe is clamped into current limliting, boss (23) place is provided with the groove (24) for being used for making decoction slow transit through flexible pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881737.2A CN107469191A (en) | 2017-09-26 | 2017-09-26 | A kind of anti-venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881737.2A CN107469191A (en) | 2017-09-26 | 2017-09-26 | A kind of anti-venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107469191A true CN107469191A (en) | 2017-12-15 |
Family
ID=60586342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881737.2A Pending CN107469191A (en) | 2017-09-26 | 2017-09-26 | A kind of anti-venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107469191A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248354A (en) * | 2018-09-25 | 2019-01-22 | 王祖扬 | A kind of anti-needle stabs safety indwelling needle |
| CN109260547A (en) * | 2018-09-19 | 2019-01-25 | 苏州林华医疗器械股份有限公司 | The not damaged needle in venous transfusion port |
| CN109893713A (en) * | 2019-03-22 | 2019-06-18 | 江苏苏云医疗器材有限公司 | Anti- needle pierces indwelling needle assembly |
| CN113456939A (en) * | 2021-07-05 | 2021-10-01 | 苏州合芯生物技术有限公司 | Preparation method of PE (polyethylene) folded filter element material and filtering device thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033192Y (en) * | 2007-05-15 | 2008-03-12 | 上海林华医疗器械有限公司 | Needle for remaining in vein having positive pressure joint |
| CN201042538Y (en) * | 2007-05-24 | 2008-04-02 | 吴林元 | Safe lien needle |
| CN201791157U (en) * | 2010-09-16 | 2011-04-13 | 吴林元 | Sustainable positive pressure needleless connecting component |
| CN102470236A (en) * | 2009-08-13 | 2012-05-23 | 威格米德公司 | Catheter needle tip shielding device |
| CN102641528A (en) * | 2012-05-08 | 2012-08-22 | 江苏苏云医疗器材有限公司 | Safety remaining needle |
| CN202478299U (en) * | 2012-02-07 | 2012-10-10 | 山东新华安得医疗用品有限公司 | Safety indwelling needle |
| CN202605411U (en) * | 2012-04-12 | 2012-12-19 | 福建省百仕韦医用高分子股份有限公司 | Medical needle-free positive pressure joint |
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN206045089U (en) * | 2016-07-23 | 2017-03-29 | 河南驼人贝斯特医疗器械有限公司 | A kind of resistance bacterium positive pressure remaining needle device |
| CN208481809U (en) * | 2017-09-26 | 2019-02-12 | 湖北楚天药业有限责任公司 | A kind of anti-venous indwelling needle |
-
2017
- 2017-09-26 CN CN201710881737.2A patent/CN107469191A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201033192Y (en) * | 2007-05-15 | 2008-03-12 | 上海林华医疗器械有限公司 | Needle for remaining in vein having positive pressure joint |
| CN201042538Y (en) * | 2007-05-24 | 2008-04-02 | 吴林元 | Safe lien needle |
| CN102470236A (en) * | 2009-08-13 | 2012-05-23 | 威格米德公司 | Catheter needle tip shielding device |
| CN201791157U (en) * | 2010-09-16 | 2011-04-13 | 吴林元 | Sustainable positive pressure needleless connecting component |
| CN202478299U (en) * | 2012-02-07 | 2012-10-10 | 山东新华安得医疗用品有限公司 | Safety indwelling needle |
| CN202605411U (en) * | 2012-04-12 | 2012-12-19 | 福建省百仕韦医用高分子股份有限公司 | Medical needle-free positive pressure joint |
| CN102641528A (en) * | 2012-05-08 | 2012-08-22 | 江苏苏云医疗器材有限公司 | Safety remaining needle |
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN206045089U (en) * | 2016-07-23 | 2017-03-29 | 河南驼人贝斯特医疗器械有限公司 | A kind of resistance bacterium positive pressure remaining needle device |
| CN208481809U (en) * | 2017-09-26 | 2019-02-12 | 湖北楚天药业有限责任公司 | A kind of anti-venous indwelling needle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109260547A (en) * | 2018-09-19 | 2019-01-25 | 苏州林华医疗器械股份有限公司 | The not damaged needle in venous transfusion port |
| CN109260547B (en) * | 2018-09-19 | 2024-04-09 | 苏州林华医疗器械股份有限公司 | Atraumatic needle for intravenous transfusion port |
| CN109248354A (en) * | 2018-09-25 | 2019-01-22 | 王祖扬 | A kind of anti-needle stabs safety indwelling needle |
| CN109248354B (en) * | 2018-09-25 | 2023-12-15 | 重庆医药集团威逊医疗科技有限公司 | Needle-stick injury prevention safety indwelling needle |
| CN109893713A (en) * | 2019-03-22 | 2019-06-18 | 江苏苏云医疗器材有限公司 | Anti- needle pierces indwelling needle assembly |
| CN109893713B (en) * | 2019-03-22 | 2023-11-14 | 江苏苏云医疗器材有限公司 | Needle-stick-preventing indwelling needle assembly |
| CN113456939A (en) * | 2021-07-05 | 2021-10-01 | 苏州合芯生物技术有限公司 | Preparation method of PE (polyethylene) folded filter element material and filtering device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107469191A (en) | A kind of anti-venous indwelling needle | |
| CN104399145B (en) | A kind of double lumen tube self-sealing venous detaining needle | |
| CN103071203A (en) | Anti-acupuncture intravenous detaining needle | |
| CN201200674Y (en) | Infusion device | |
| CN105056341B (en) | A kind of remaining needle that continuous positive pressure is provided | |
| CN107412912A (en) | It is a kind of to continue micro- transfusion vein indwelling needle | |
| CN204275171U (en) | A kind of remaining needle with slow release malleation | |
| CN107569738A (en) | A kind of positive pressure vein remaining needle | |
| CN203043149U (en) | Needling prevention venous indwelling needle | |
| CN208481809U (en) | A kind of anti-venous indwelling needle | |
| CN104826196B (en) | Liquid capsule self-sealing venous detaining needle in a kind of needle stand | |
| CN104399146B (en) | A kind of coaxial trocar sheath self-sealing venous detaining needle | |
| CN106730141A (en) | A kind of safe type retention needle | |
| CN208492847U (en) | A kind of magnetic control self-sealing venous detaining needle | |
| CN206660230U (en) | A kind of safe type retention needle | |
| CN107485757A (en) | Novel remaining needle | |
| CN205339731U (en) | Interior liquid bag of needle file is proclaimed oneself formula vein and is kept somewhere needle | |
| CN204319422U (en) | A kind of coaxial trocar sheath self-sealing venous detaining needle | |
| CN209596322U (en) | A kind of internal arteriovenous fistula cannula needle | |
| CN209347788U (en) | Novel remaining needle | |
| CN210813049U (en) | Novel marrow transfusion puncture device | |
| CN208756689U (en) | A kind of positive pressure vein remaining needle | |
| CN203898839U (en) | Safe infusion device | |
| CN209347789U (en) | Double sacculus remaining needles | |
| CN204745195U (en) | Interior liquid bag of needle file is proclaimed oneself formula vein and is kept somewhere 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: 20171215 |
|
| RJ01 | Rejection of invention patent application after publication |