CN203989399U - Poriferous circular venous duct and puncture bag - Google Patents

Poriferous circular venous duct and puncture bag Download PDF

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Publication number
CN203989399U
CN203989399U CN201420377994.4U CN201420377994U CN203989399U CN 203989399 U CN203989399 U CN 203989399U CN 201420377994 U CN201420377994 U CN 201420377994U CN 203989399 U CN203989399 U CN 203989399U
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CN
China
Prior art keywords
transfusion
venous duct
tube
poriferous circular
poriferous
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Expired - Fee Related
Application number
CN201420377994.4U
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Chinese (zh)
Inventor
王倩
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Second Military Medical University SMMU
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Second Military Medical University SMMU
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Priority to CN201420377994.4U priority Critical patent/CN203989399U/en
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Publication of CN203989399U publication Critical patent/CN203989399U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model provides a kind of poriferous circular venous duct, inserts in patient's central vein and infuses, and it is characterized in that, comprising: tube for transfusion, has the transfusion end being placed in patient's central vein; Be connected to and on tube for transfusion, be exposed to the extension outside patient body; And be connected to and extension be fixed on to the positioning component on patient skin between extension and tube for transfusion, tube for transfusion is provided with a plurality of infusion holes with predetermined arrangement mode on the sidewall of transfusion end.This utility model also provides a kind of puncture bag, comprising: the puncture needle that is used to form puncturing hole; Insert puncture needle and endovascular seal wire; The convergent divergent channel that puncturing hole is expanded; And the poriferous circular venous duct of insertion puncturing hole.Poriferous circular venous duct of the present utility model can be accelerated transfusion speed can reduce again obstruction probability.

Description

Poriferous circular venous duct and puncture bag
Technical field
This utility model relates to a kind of poriferous circular venous duct and puncture bag, belongs to medical instruments field.
Background technology
Central venous catheter belongs to the one of blood vessel inner tube, is positioned in large vein by puncture method.Current central venous catheter is generally opened single hole on top, for administration and transfusion.Can cause like this in infusion process, tube chamber pressure is high, and transfusion speed is slow, and if single hole stop up, whole central venous catheter is just ineffective.
Utility model content
This utility model carries out in order to solve above-mentioned problem, and object is to provide a kind of transfusion speed of can accelerating can reduce again the poriferous circular venous duct and the puncture bag that stop up probability.
This utility model to achieve these goals, has adopted following structure.
< structure 1>
This utility model provides a kind of poriferous circular venous duct, inserts in patient's central vein and infuses, and it is characterized in that, comprising: tube for transfusion, has the transfusion end being placed in patient's central vein; Be connected to and on tube for transfusion, be exposed to the extension outside patient body; And be connected to extension and tube for transfusion between the skin that extension is fixed on to patient on positioning component, wherein, tube for transfusion is provided with a plurality of infusion holes with predetermined arrangement mode on the sidewall of transfusion end.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, the length range of tube for transfusion is 15cm to 20cm, and the diameter range of each infusion hole is 0.5mm to 4mm.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, predetermined arrangement mode is that a plurality of infusion holes are arranged in the shape of a spiral on the sidewall of tube for transfusion.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, predetermined arrangement mode is that a plurality of infusion holes are arranged in a linear on the sidewall of tube for transfusion.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, the quantity of infusion hole is less than 20.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, extension end is provided with the calparine cap for sealing tube chamber.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, the both sides of positioning component are respectively arranged with locating hole.
In addition, in poriferous circular venous duct of the present utility model, can also there is such feature: wherein, on extension, cover has the fluid-delivery valve in folder stopped pipe chamber.
< structure 2>
Further, this utility model also provides a kind of puncture bag, it is characterized in that, comprising:
Be used to form the puncture needle of puncturing hole; The convergent divergent channel that puncturing hole is expanded; For insert the seal wire of puncturing hole along puncture needle; And the poriferous circular venous duct of insertion puncturing hole, wherein, poriferous circular venous duct is the poriferous circular venous duct in < structure 1>,
Utility model effect and effect
According to poriferous circular venous duct of the present utility model, because tube for transfusion is provided with a plurality of infusion holes with predetermined arrangement mode on the sidewall of transfusion end, so while transfusion, tube chamber pressure is low, faster than single hole transfusion speed; If a certain tube hole plug, other pore still can be applied, and does not affect transfusion, has reduced obstruction probability.
In addition, infusion hole increases, and the contact area of central venous catheter and blood vessel is reduced, and has reduced the area of foreign body in blood vessel, has reduced thrombotic risk.
Brief description of the drawings
Fig. 1 is that many punctures that this utility model relates to wrap in the structural representation in embodiment 1;
Fig. 2 is the structural representation of the poriferous circular venous duct that relates to of this utility model in embodiment 1;
Fig. 3 is the structural representation of poriferous circular venous duct of the present utility model in variation 1; And
Fig. 4 is the structural representation of the central venous catheter in background technology.
Detailed description of the invention
Referring to accompanying drawing, the related poriferous circular venous duct of this utility model and puncture bag are elaborated.
< embodiment 1>
Fig. 1 is that the puncture that this utility model relates to wraps in the structural representation in embodiment 1.
As shown in Figure 1, puncture bag 100 comprises puncture needle 101, poriferous circular venous duct 50, convergent divergent channel 102 and seal wire 103 and syringe 104.
The outer surface cover of poriferous circular venous duct 50 is property plastic sheath once, is used for protecting poriferous circular venous duct 50 not impaired, will remove before in poriferous circular venous duct 50 insertosomes.Poriferous circular venous duct 50 comprises tube for transfusion 51, positioning component 52 and extension 53.Positioning component 52 is divided into liner 521 and shell 522 two parts, and liner 521 is arranged on poriferous circular venous duct 50, is connected between tube for transfusion 51 and extension 53.Shell 522 is placed in puncture bag.When poriferous circular venous duct 50 uses, shell 522 and liner 521 need to be fitted together.The end of extension 53 is provided with calparine cap 5.
Puncture needle 101 is made up of needle tubing and syringe needle two parts, is used for forming puncturing hole.Convergent divergent channel 102 can be to puncturing hole is expanded, and seal wire 103 can insert puncturing hole along puncture needle 101, and poriferous circular venous duct 50 inserts puncturing hole for transfusion under 103 guiding of seal wire.Seal wire 103 is J-shaped, fixes with plastic tube.Syringe 104 is for injecting anesthetic medicine before puncture operation.
Fig. 2 is the structural representation of the poriferous circular venous duct that relates to of this utility model in embodiment 1.
Fig. 4 is the structural representation of the central venous catheter in background technology.
As shown in Figure 2, poriferous circular venous duct 50 has tube for transfusion 51, positioning component 52 and extension 53.
The top of tube for transfusion 51 is transfusion end 1.The top of transfusion end 1 has single hole, has five infusion holes 2 arranging in the shape of a spiral on sidewall, and in existing tube for transfusion poriferous circular venous duct 56,22, transfusion end is opened single hole on top, as shown in Figure 4.But the number of infusion hole can not be too much, be generally less than 20, because hole count can reduce the continuity of poriferous circular venous duct 50 too much, easily fracture.
The length of tube for transfusion 51 is 20cm, and the diameter of infusion hole 2 is 1.7mm.The both sides of positioning component 52 are respectively arranged with locating hole 3, can be sewn on patient's skin prolonging raw pipe 53 by locating hole 3.On extension 53, cover has fluid-delivery valve 4, in the time that fluid-delivery valve 4 is clamped, can block the infusion process of tube for transfusion 51.The end of extension 53 is provided with the calparine cap 5 for tube sealing.
The process that the use of puncture bag and poriferous circular venous duct 50 implant is as follows: determine point of puncture, sterile surgical region, the skin of locating as femoral vein, subclavian vein, internal jugular vein etc.Utilize syringe 104 to carry out subcutaneous injection local anaesthetics, as 10% lignocaine.Then negative pressure needling, punctures.When puncture needle 101 is drawn into after venous blood, send into seal wire about 103 to 20cm along puncture needle 101 uropores, then exit puncture needle 101, retain seal wire 103.Then, send into convergent divergent channel 102 along seal wire 103 tail ends, dilated penetration place skin.Exit again convergent divergent channel 102, the calparine cap 5 that spins off poriferous circular venous duct 50 tail ends makes tube chamber open, send into poriferous circular venous duct 50 along seal wire 103 tail ends, until stay body surface for being sewn on locating hole 3 places on skin, the length that poriferous circular venous duct 50 enters in body is 15cm-20cm.Treat that seal wire 103 exposes from poriferous circular venous duct 50 tail ends, can extract seal wire 103.Pass locating hole 3 with suture extension pipe 53 is sewn to skin surface.Sterilization again, large pad pasting covers point of puncture.Extension pipe 53 tail ends connect medicinal liquid, and medicinal liquid just can be inputted in body.
Embodiment effect and effect
The poriferous circular venous duct related according to the present embodiment, because tube for transfusion is provided with five infusion holes that distribute in the shape of a spiral on the sidewall of transfusion end, while transfusion, tube chamber pressure is low, faster than single hole transfusion speed; If a certain tube hole plug, other pore still can be applied, and does not affect transfusion, has reduced obstruction probability.
In addition, infusion hole increases, and the contact area of poriferous circular venous duct and blood vessel is reduced, and has reduced the area of foreign body in blood vessel, has reduced thrombotic risk.
< variation 1>
In this variation 1, for embodiment 1 in identical structure, give identical symbol, and omit identical explanation.
Fig. 3 is the structural representation of poriferous circular venous duct of the present utility model in variation 1.
As shown in Figure 3, poriferous circular venous duct 54 has tube for transfusion 55, positioning component 52 and extension 53.
The top of tube for transfusion 55, for transfusion end 11, the top of transfusion end 1 has single hole, has five infusion holes 21 that are arranged in a linear on sidewall.
Embodiment effect and effect
The poriferous circular venous duct related according to this variation, because tube for transfusion is provided with five linear distributing infusion holes on the sidewall of transfusion end, so while transfusion, tube chamber pressure is low, faster than single hole transfusion speed; If a certain tube hole plug, other pore still can be applied, and does not affect transfusion, has reduced obstruction probability.
In addition, infusion hole increases, and the contact area of poriferous circular venous duct and blood vessel is reduced, and has reduced the area of foreign body in blood vessel, has reduced thrombotic risk.
Certainly the poriferous circular venous duct that, this utility model relates to and puncture bag are not merely defined in structure in the present embodiment.The quantity of infusion hole can also be the arbitrary value between 2 to 20.The length range of tube for transfusion can also be the arbitrary value between 15cm to 20cm.The scope of the diameter of each infusion hole can also be the arbitrary value between 0.5mm to 4mm.

Claims (9)

1. a poriferous circular venous duct, inserts in patient's central vein and infuses, and it is characterized in that, comprising:
Tube for transfusion, has the transfusion end being placed in described patient's central vein;
Be connected to and on described tube for transfusion, be exposed to the extension outside described patient body; And
Be connected to described extension and described tube for transfusion between the skin that described extension is fixed on to described patient on positioning component,
Wherein, described tube for transfusion is provided with a plurality of infusion holes with predetermined arrangement mode on the sidewall of described transfusion end.
2. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, the length range of described tube for transfusion is 15cm to 20cm,
The diameter range of each described infusion hole is 0.5mm to 4mm.
3. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, described predetermined arrangement mode is that a plurality of described infusion holes are arranged in the shape of a spiral on the sidewall of described tube for transfusion.
4. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, described predetermined arrangement mode is that a plurality of described infusion holes are arranged in a linear on the sidewall of described tube for transfusion.
5. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, the quantity of described infusion hole is less than 20.
6. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, described extension end is provided with the calparine cap for sealing tube chamber.
7. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, the both sides of described positioning component are respectively arranged with locating hole.
8. poriferous circular venous duct according to claim 1, is characterized in that:
Wherein, on described extension, cover is useful on the fluid-delivery valve that presss from both sides stopped pipe chamber.
9. a puncture bag, is characterized in that, comprising:
Be used to form the puncture needle of puncturing hole;
The convergent divergent channel that described puncturing hole is expanded;
For insert the seal wire of described puncturing hole along described puncture needle; And
Insert the poriferous circular venous duct of described puncturing hole,
Wherein, described poriferous circular venous duct is the claims 1 to the poriferous circular venous duct described in any one in claim 8,
CN201420377994.4U 2014-07-09 2014-07-09 Poriferous circular venous duct and puncture bag Expired - Fee Related CN203989399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420377994.4U CN203989399U (en) 2014-07-09 2014-07-09 Poriferous circular venous duct and puncture bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420377994.4U CN203989399U (en) 2014-07-09 2014-07-09 Poriferous circular venous duct and puncture bag

Publications (1)

Publication Number Publication Date
CN203989399U true CN203989399U (en) 2014-12-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105769220A (en) * 2016-03-30 2016-07-20 广州市众为生物技术有限公司 Quality control system for guaranteeing biological safety of animal plasma, serum or blood
WO2017117997A1 (en) * 2016-01-08 2017-07-13 广州市众为生物技术有限公司 Venous blood collection catheter
CN110051915A (en) * 2019-05-07 2019-07-26 中国人民解放军陆军军医大学第二附属医院 A kind of disposable Deep venou perfusion tube band capped pipe core with heparin coating

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017117997A1 (en) * 2016-01-08 2017-07-13 广州市众为生物技术有限公司 Venous blood collection catheter
CN105769220A (en) * 2016-03-30 2016-07-20 广州市众为生物技术有限公司 Quality control system for guaranteeing biological safety of animal plasma, serum or blood
CN110051915A (en) * 2019-05-07 2019-07-26 中国人民解放军陆军军医大学第二附属医院 A kind of disposable Deep venou perfusion tube band capped pipe core with heparin coating
CN110051915B (en) * 2019-05-07 2022-02-11 中国人民解放军陆军军医大学第二附属医院 Disposable deep vein infusion tube core with cap and heparin coating

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20160709

CF01 Termination of patent right due to non-payment of annual fee