CN203842157U - Disposable peripherally inserted central catheter - Google Patents
Disposable peripherally inserted central catheter Download PDFInfo
- Publication number
- CN203842157U CN203842157U CN201420148182.2U CN201420148182U CN203842157U CN 203842157 U CN203842157 U CN 203842157U CN 201420148182 U CN201420148182 U CN 201420148182U CN 203842157 U CN203842157 U CN 203842157U
- Authority
- CN
- China
- Prior art keywords
- main body
- central venous
- venous catheter
- disposable
- body tube
- 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.)
- Expired - Lifetime
Links
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 230000002093 peripheral effect Effects 0.000 claims description 56
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 239000000314 lubricant Substances 0.000 claims description 12
- 238000005516 engineering process Methods 0.000 abstract description 5
- 210000004204 blood vessel Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229920002521 macromolecule Polymers 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 208000002847 Surgical Wound Diseases 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- KZMAWJRXKGLWGS-UHFFFAOYSA-N 2-chloro-n-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-n-(3-methoxypropyl)acetamide Chemical compound S1C(N(C(=O)CCl)CCCOC)=NC(C=2C=CC(OC)=CC=2)=C1 KZMAWJRXKGLWGS-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000002620 vena cava superior Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model provides a disposable peripherally inserted central catheter which comprises a main body pipe, a connection seat, an extending pipe and a pipe seat which are sequentially connected. The main body pipe is a reducer pipe. The diameter of the main body pipe becomes larger gradually from one end far away from the connection seat to the other end. The catheter further comprises a stop valve, a T-shaped connection pipe and a reinforcement steel wire. The stop valve is arranged on the extending pipe, the T-shaped connection pipe is installed on the pipe seat, the reinforcing steel wire is fixed through the T-shaped connection pipe and penetrates the inside of the disposable peripherally inserted central catheter. According to the disposable peripherally inserted central catheter, the main body pipe adopts a reducing technology, and the diameter becomes larger from one end far away from the connection seat to the other end. The diameter of the main body pipe becomes larger with the disposable peripherally inserted central catheter being inserted into a vessel, an operation wound at the position of the catheter is blocked, the safety of peripherally inserted central catheterization is guaranteed, and the operation quality and efficiency are improved.
Description
Technical field
This utility model relates to medical apparatus and instruments, particularly relates to a kind of disposable peripheral central venous catheter.
Background technology
At present, peripheral central venous catheter is clinical conventional a kind of conduit, infusion of therapeutic in short-term or long-term intravenous, and parenteral alimentation, dripping of irritant drugs injection, central venous pressure monitoring, blood sample collection, infusion, or the aspect such as treatment is widely used.But in such conduit piercing process, be prone at present and put pipe position and lose blood excessive or infect, conduit stimulates blood vessel to cause phlebitis, and conduit is inserted the bad phenomenon such as part fracture of root.Therefore, for clinical, provide the peripheral central venous catheter that performance is better, make safer, convenient, the standard of operation, there is the surgical work person of minimizing work load, improve operation safety, important function and the meanings such as reduction operation risk.
In view of above-mentioned defect, the inventor has obtained the invention finally through long research and practice.
Utility model content
Based on this, being necessary the problem that exists in operation for peripheral central venous catheter provides a kind of more practical, safe disposable peripheral central venous catheter.Above-mentioned purpose is achieved through the following technical solutions:
A disposable peripheral central venous catheter, comprising:
The main body tube, Connection Block, extension pipe and the base that connect successively, described main body tube is reducer pipe, described main body tube is from the diameter chap gradually of the end to end away from described Connection Block;
Flow-stop valve, T-shaped connection tube and reinforcement steel wire, described flow-stop valve is arranged on described extension pipe, described T-shaped connection tube is installed on described base, and the inside of described disposable peripheral central venous catheter fixed and run through by described reinforcement steel wire by described T-shaped connection tube.
Above-mentioned purpose can also further realize by following technical proposals.
Wherein, described T-shaped connection tube and described base are for removably connecting, and when described T-shaped connection tube separates with described base, described T-shaped connection tube and described reinforcement steel wire are together withdrawn from the inside of described disposable peripheral central venous catheter.
Wherein, described main body tube is starting chap in distance in the length range of described Connection Block 5～15cm, described main body tube every to described Connection Block near 100mm length, the diameter of described main body tube increases by 0.2～1.0mm.
Wherein, described main body tube starts chap at the 10cm place of distance described Connection Block one end.
Wherein, the diameter of the butt end of described main body tube is than the large 0.6mm of diameter of taper end.
Wherein, the outer surface of described main body tube is coated with lubricant coating.
Wherein, described lubricant coating is applied and is formed by the aqueous solution that contains film forming macromolecule and hydrophilizing agent molecule.
Wherein, described disposable peripheral central venous catheter is single lumen catheter, double channel catheter or three cavities conduit pipe.
The beneficial effects of the utility model are:
Disposable peripheral central venous catheter of the present utility model, structural design advantages of simple, main body tube adopts reducing technology, diameter chap gradually from the end to end away from Connection Block, along with disposable peripheral central venous catheter inserts blood vessel, the chap gradually of the diameter of main body tube, and the surgical wound of putting pipe place is stopped up, reduce loss of blood and Infection probability in operation process, reduce the conduit rupture risk of this position, can guarantee the safety of peripheral central vein retaining tube art, improve quality and the efficiency of operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of disposable peripheral central venous catheter one embodiment of the present utility model;
Fig. 2 is the structural representation that in the disposable peripheral central venous catheter shown in Fig. 1, main body tube reduced diameter portion is connected with Connection Block, extension pipe;
Fig. 3 is the structural representation of the lubricant coating of main body tube outer surface in the disposable peripheral central venous catheter shown in Fig. 1;
Fig. 4 is the schematic diagram of main body tube shutoff point of puncture in the disposable peripheral central venous catheter shown in Fig. 1;
Fig. 5 is the frictional force comparison diagram before and after the outer surface lubricant coating of main body tube in disposable peripheral central venous catheter of the present utility model applies;
Wherein:
1-main body tube;
11-film forming macromolecule; 12-hydrophilizing agent molecule;
2-Connection Block;
3-extension pipe;
4-base;
5-flow-stop valve;
6-T type connection tube;
7-strengthens steel wire.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, by the following examples, and by reference to the accompanying drawings, disposable peripheral central venous catheter of the present utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, and be not used in restriction this utility model.
Referring to Fig. 1 and Fig. 2, disposable peripheral central venous catheter of the present utility model, comprise the main body tube 1, Connection Block 2, extension pipe 3 and the base 4 that connect successively, main body tube 1 is reducer pipe, main body tube 1 is from the diameter chap gradually of the end to end away from Connection Block 2, also comprise flow-stop valve 5, T-shaped connection tube 6 and strengthen steel wire 7, flow-stop valve 5 is arranged on extension pipe 3, T-shaped connection tube 6 is installed on base 4, strengthens steel wire 7 and by T-shaped connection tube 6, is fixed and run through the inside of disposable peripheral central venous catheter.
Disposable peripheral central venous catheter of the present utility model, main body tube 1 adopts reducing technology, from the end to end away from Connection Block 2 by Diameter Gradual Change thick, along with disposable peripheral central venous catheter inserts blood vessel, the chap gradually of the diameter of main body tube 1, and the surgical wound of putting pipe place is stopped up, reduce loss of blood and Infection probability in operation process, reduce the conduit rupture risk of this position, can guarantee the safety of peripheral central vein retaining tube art, improve quality and the efficiency of operation.
As a kind of embodiment, T-shaped connection tube 6 is with base 4 for removably connecting, and when T-shaped connection tube 6 separates with base 4, T-shaped connection tube 6 and reinforcement steel wire 7 are together withdrawn from the inside of disposable peripheral central venous catheter.
Disposable peripheral central venous catheter send after duct ligation bundle, T-shaped connection tube 6 and base 4 are separated, T-shaped connection tube 6 is together withdrawn from the inside of disposable peripheral central venous catheter with strengthening steel wire 7, and the remainder of disposable peripheral central venous catheter is fixed.
As a kind of embodiment, main body tube 1 starts chap in the length range of distance join seat 2 one end 5～15cm, main body tube 1 every to Connection Block 2 near 100mm length, the diameter of main body tube 1 increases by 0.2～1.0mm.
Further, main body tube 1 starts chap at the 10cm place of distance join seat 2 one end.
Further, the diameter of the butt end of main body tube 1 is than the large 0.6mm of diameter of taper end.
In the present embodiment, the length of main body tube 1 is 55cm, and the outer surface that main body tube 1 closes on Connection Block 2 one end is printed on scale, and in the chap gradually of the 10cm place of distance join seat 2 one end, and the butt diameter of main body tube 1 increases 0.6mm.
As shown in Figure 3, as a kind of embodiment, the outer surface of main body tube 1 is coated with lubricant coating.The outer surface of main body tube 1 is coated with lubricant coating, can reduce to put the friction in pipe process, eliminates or reduces the damage to blood vessel, guarantees the safer blood vessel of successfully inserting smoothly of main body tube 1.
Further, lubricant coating forms with the aqueous solution coating of hydrophilizing agent molecule 12 by containing film forming macromolecule 11.
It is solvent that the lubricant coating of the outer surface of main body tube 1 adopts water, includes film forming macromolecule 11(that biocompatibility is good as soluble polyurethane), hydrophilizing agent molecule 1 2(is as polyvinylpyrrolidone).Solvent is owing to being water-soluble, not with an organic solvent, therefore environmentally safe.
By spraying, dip-coating or manual application mode, polyurethane (PU) and polyvinylpyrrolidone (PVP) aqueous solution are coated on the outer surface of main body tube 1 (main body tube 1 can not apply away from the reduced diameter portion of Connection Block 2).Apply complete, the dry moisture of removing.
As shown in Figure 4, clinical operation process, first according to patient body, measure, determine the implantation length of disposable peripheral central venous catheter, according to length, shear the main body tube 1 of disposable peripheral central venous catheter, then venipuncture, peripheral vein is sent into by point of puncture in one end of disposable peripheral central venous catheter, the end that inwardly pushes to disposable peripheral central venous catheter arrives 1/3 place under superior vena cava, in this process, disposable peripheral central venous catheter is along with entering intensification, main body tube 1 increases gradually at the 10cm place of distance join seat 2 one end diameter, point of puncture is blocked the most at last.Send duct ligation bundle, T-shaped connection tube 6 and the base 4 of disposable peripheral central venous catheter are turned on, T-shaped connection tube 6 is withdrawn from strengthening 7 one, steel wire, the remainder of fixing disposable peripheral central venous catheter.
As shown in Figure 5, on the main body tube 1 of disposable peripheral central venous catheter of the present utility model, apply after lubricant coating the frictional force of intravasation less than the frictional force of the main body tube of uncoated lubricant coating 1 intravasation, the lubricant coating on main body tube 1 can guarantee the safer blood vessel of successfully inserting smoothly of disposable peripheral central venous catheter.
As a kind of embodiment, disposable peripheral central venous catheter is single lumen catheter, double channel catheter or three cavities conduit pipe.
Chamber number according to main body tube 1 tube chamber is divided disposable peripheral central venous catheter of the present utility model, and when disposable peripheral central venous catheter is single lumen catheter, main body tube 1 has a tube chamber, is connected by an extension pipe 3 with main body tube 1 simultaneously; When disposable peripheral central venous catheter is double channel catheter, main body tube 1 has two tube chambers, is connected respectively by two extension pipes 3 with two tube chambers of main body tube 1 simultaneously; When disposable peripheral central venous catheter is three cavities conduit pipe, main body tube 1 has three tube chambers, simultaneously by three extension pipes 3 respectively at being connected with three tube chambers of main body tube 1.
The disposable peripheral central venous catheter of above-mentioned utility model, structural design advantages of simple, main body tube adopts reducing technology, from the chap gradually of the end to end away from Connection Block, along with disposable peripheral central venous catheter inserts blood vessel, the chap gradually of the diameter of main body tube, and the surgical wound of putting pipe place is stopped up, reduce loss of blood and Infection probability in operation process, reduce the conduit rupture risk of this position, can guarantee the safety of peripheral central vein retaining tube art, improve quality and the efficiency of operation.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (7)
1. a disposable peripheral central venous catheter, is characterized in that, comprising:
The main body tube, Connection Block, extension pipe and the base that connect successively, described main body tube is reducer pipe, described main body tube is from the diameter chap gradually of the end to end away from described Connection Block;
Flow-stop valve, T-shaped connection tube and reinforcement steel wire, described flow-stop valve is arranged on described extension pipe, described T-shaped connection tube is installed on described base, and the inside of described disposable peripheral central venous catheter fixed and run through by described reinforcement steel wire by described T-shaped connection tube.
2. disposable peripheral central venous catheter according to claim 1, it is characterized in that, described T-shaped connection tube and described base are for removably connecting, when described T-shaped connection tube separates with described base, described T-shaped connection tube and described reinforcement steel wire are together withdrawn from the inside of described disposable peripheral central venous catheter.
3. disposable peripheral central venous catheter according to claim 1, it is characterized in that, described main body tube is starting chap in distance in the length range of described Connection Block 5～15cm, described main body tube every to described Connection Block near 100mm length, the diameter of described main body tube increases by 0.2～1.0mm.
4. disposable peripheral central venous catheter according to claim 3, is characterized in that, described main body tube starts chap at the 10cm place of distance described Connection Block one end.
5. disposable peripheral central venous catheter according to claim 4, is characterized in that, the diameter of the butt end of described main body tube is than the large 0.6mm of diameter of taper end.
6. disposable peripheral central venous catheter according to claim 1, is characterized in that, the outer surface of described main body tube is coated with lubricant coating.
7. disposable peripheral central venous catheter according to claim 1, is characterized in that, described disposable peripheral central venous catheter is single lumen catheter, double channel catheter or three cavities conduit pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148182.2U CN203842157U (en) | 2014-03-28 | 2014-03-28 | Disposable peripherally inserted central catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148182.2U CN203842157U (en) | 2014-03-28 | 2014-03-28 | Disposable peripherally inserted central catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203842157U true CN203842157U (en) | 2014-09-24 |
Family
ID=51555226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148182.2U Expired - Lifetime CN203842157U (en) | 2014-03-28 | 2014-03-28 | Disposable peripherally inserted central catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203842157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411610A (en) * | 2016-01-08 | 2016-03-23 | 广州市众为生物技术有限公司 | Vein blood sampling catheter |
-
2014
- 2014-03-28 CN CN201420148182.2U patent/CN203842157U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105411610A (en) * | 2016-01-08 | 2016-03-23 | 广州市众为生物技术有限公司 | Vein blood sampling catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |
|
| CX01 | Expiry of patent term |