CN203619992U - Remaining needle - Google Patents
Remaining needle Download PDFInfo
- Publication number
- CN203619992U CN203619992U CN201320802509.9U CN201320802509U CN203619992U CN 203619992 U CN203619992 U CN 203619992U CN 201320802509 U CN201320802509 U CN 201320802509U CN 203619992 U CN203619992 U CN 203619992U
- Authority
- CN
- China
- Prior art keywords
- barium sulfate
- flexible pipe
- remaining needle
- sulfate material
- needle
- 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
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 86
- 239000000463 material Substances 0.000 claims abstract description 33
- 238000011161 development Methods 0.000 claims abstract description 26
- 239000008280 blood Substances 0.000 abstract description 3
- 210000004369 blood Anatomy 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000002955 isolation Methods 0.000 abstract 1
- 210000004204 blood vessel Anatomy 0.000 description 4
- 230000000717 retained effect Effects 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
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Media Introduction/Drainage Providing Device (AREA)
Abstract
A remaining needle comprises a flexible tube, a needle tube, a flexible tube connection seat, an isolation plug, a long conduit, and a conduit connection seat. The needle tube is sleeved with the flexible tube. The remaining needle is characterized in that a barium sulfate material development face is distributed in the tube wall of the flexible tube; from the cross section of the tube wall of the flexible tube in the circumferential direction, the barium sulfate material development face is distributed continuously to form a circular arc; and the arc length of the circular arc is 62.5% to 87.5% of the circumference of the circle where the cross section of the tube wall is located. The X-ray detection rate of the barium sulfate material development face of the remaining needle of the utility model is increased by about 50% on the basis of that in the prior art. The part, without addition of barium sulfate material, of the flexible tube is transparent, and the gap and blind angle of an original barium sulfate material distribution structure are prevented so that the blood inflowing in the flexible tube is more easy to observe. Besides, the usage safety of the remaining needle is better.
Description
Technical field
This utility model relates to a kind of transfusion medical apparatus and instruments, is specifically related to a kind of remaining needle.
Background technology
Transfusion refers to inputs human body by medicinal liquid by blood vessel, to realize treatment and prophylactic object.In clinical, due to intermittent, seriality or every day infusion needs, for avoiding repeatedly puncture vessel to destroy blood vessel, often use remaining needle to patient's transfusion of puncturing.Remaining needle claims again venous cannula pin, shown in accompanying drawing 1, the building block of core comprises the flexible pipe (label is 1) (material of flexible pipe 1 is generally Teflon or polyurethane) that can be retained in endovascular softness, and the nook closing member needle tubing (label is 2) used of stainless guiding puncture, the internal diameter of the external diameter of needle tubing 2 and flexible pipe 1 matches before use, and needle tubing 2 is set in flexible pipe 1.When use, flexible pipe 1 is punctured in blood vessel together with needle tubing 2, when after the whole intravasations of flexible pipe 1, withdraw out needle tubing 2, only soft flexible pipe 1 is retained in and in blood vessel, carries out infusion treatment, thereby reduced the misery that patient punctures again.The flexible pipe 1 using in the market must add the developing line of barium sulfate-containing composition according to the requirement of safe design, cause after disconnected pipe in some contingencies, locates the residing position of disconnected pipe take out in time by X-ray examination, avoids harm.Although it is extremely low to be retained in the probability of occurrence of endovascular flexible pipe 1 disconnected pipe phenomenon, but there will be in actual applications disconnected pipe phenomenon, once and can not detect in time the residing position of disconnected pipe by X-ray, the disconnected tube portion of flexible pipe 1 may enter into along with flowing of blood the vitals of human body.At present, in flexible pipe 1, be generally evenly distributed with three or six developing lines that contain barium sulfate material, spaced apart equably in the wall cross-section of barium sulfate developing line (label is 3) on flexible pipe 1 circumferencial direction, article three, the distributed architecture of barium sulfate developing line 3 as shown in Figure 2, article six, the distributed architecture of barium sulfate developing line 3 as shown in Figure 3, three and six shared total arc length of barium sulfate developing line 3 account for the circle at wall cross-section place girth 1/2.But the detecting property of X-ray of these existing flexible pipes 1 need to improve.For this reason, how to provide a kind of remaining needle of the detecting property of X-ray that can improve flexible pipe to become the problem of this utility model research.
Summary of the invention
This utility model provides a kind of remaining needle, and its object is the inadequate problem of detecting property of X-ray of the flexible pipe that solves current remaining needle, has solved the problem of safety during remaining needle uses.
For achieving the above object, the technical solution adopted in the utility model is: a kind of remaining needle, comprise flexible pipe, needle tubing, flexible tube base, batching pig, long duct, conduit Connection Block, described needle tubing is set in flexible pipe, in the tube wall of described flexible pipe, be distributed with barium sulfate material development face, wall cross-section from described flexible pipe circumferencial direction, barium sulfate material development face continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 62.5% ~ 87.5%.
Related content in technique scheme is explained as follows:
1, in such scheme, preferably scheme be the arc length of described circular arc be the circle at described wall cross-section place circumference 70% ~ 80%.
This utility model design principle and beneficial effect are: in order to improve the detecting property of X-ray of flexible pipe of remaining needle, can directly increase barium sulfate material addition so that flexible pipe more can be detected, in line with such principle, the distributed architecture of the barium sulfate material of applicant to flexible pipe improves.In the tube wall of the flexible pipe of this utility model remaining needle, be distributed with barium sulfate material, barium sulfate material forms a barium sulfate material development face in tube wall, wall cross-section from described flexible pipe circumferencial direction, barium sulfate material development face continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 62.5% ~ 87.5%, because barium sulfate material development face is equivalent to a curved surface, in the time carrying out X-ray penetration-detection, there is very large probability to be equivalent to X-ray and penetrate two-layer barium sulfate material development face again.The barium sulfate material development face of remaining needle of the present utility model has improved approximately 50% detecting property of X-ray on the basis of existing technology; The part of not adding barium sulfate material in flexible pipe is transparent and has avoided the dead angle, space of original barium sulfate distribution of material structure, more easily observes in flexible pipe and have blood to flow to; Safety during remaining needle uses is better.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of this utility model remaining needle;
Accompanying drawing 2 is the first distributed architecture schematic diagram of barium sulfate developing line in the flexible pipe of prior art remaining needle;
Accompanying drawing 3 is the second distributed architecture schematic diagram of barium sulfate developing line in the flexible pipe of prior art remaining needle;
Accompanying drawing 4 is the structural representation of barium sulfate development face in the flexible pipe of this utility model embodiment mono-remaining needle;
Accompanying drawing 5 is the structural representation of barium sulfate development face in the flexible pipe of this utility model embodiment bis-remaining needles;
Accompanying drawing 6 is the structural representation of barium sulfate development face in the flexible pipe of this utility model embodiment tri-remaining needles.
In above accompanying drawing: 1, flexible pipe; 2, needle tubing; 3, barium sulfate developing line; 4, hose connection seat; 5, batching pig; 6, long duct; 7, conduit Connection Block; 8, barium sulfate material development face.
The specific embodiment
Below in conjunction with drawings and Examples, this utility model is further described:
Embodiment mono-: a kind of remaining needle
Shown in accompanying drawing 1 and accompanying drawing 4, this remaining needle comprises flexible pipe 1, needle tubing 2, hose connection seat 4, batching pig 5, long duct 6, conduit Connection Block 7, described needle tubing 2 is set in inlying catheter (flexible pipe) 1, in the tube wall of described flexible pipe 1, be distributed with barium sulfate material development face 8, in the wall cross-section of barium sulfate material development face 8 on described flexible pipe 1 circumferencial direction, continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 75%.
Embodiment bis-: a kind of remaining needle
Shown in accompanying drawing 1 and accompanying drawing 5, this remaining needle comprises flexible pipe 1, needle tubing 2, hose connection seat 4, batching pig 5, long duct 6, conduit Connection Block 7, described needle tubing 2 is set in flexible pipe 1, in the tube wall of described flexible pipe 1, be distributed with barium sulfate material development face 8, in the wall cross-section of barium sulfate material development face 8 on described flexible pipe 1 circumferencial direction, continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 62.5%.
Embodiment tri-: a kind of remaining needle
Shown in accompanying drawing 1 and accompanying drawing 6, this remaining needle comprises flexible pipe 1, needle tubing 2, hose connection seat 4, batching pig 5, long duct 6, conduit Connection Block 7, described needle tubing 2 is set in flexible pipe 1, in the tube wall of described flexible pipe 1, be distributed with barium sulfate material development face 8, in the wall cross-section of barium sulfate material development face 8 on described flexible pipe 1 circumferencial direction, continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 87.5%.
Embodiment tetra-: a kind of remaining needle
This remaining needle comprises flexible pipe 1, needle tubing 2, hose connection seat 4, batching pig 5, long duct 6, conduit Connection Block 7, described needle tubing 2 is set in flexible pipe 1, in the tube wall of described flexible pipe 1, be distributed with barium sulfate material development face 8, in the wall cross-section of barium sulfate material development face 8 on described flexible pipe 1 circumferencial direction, continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 70%.
Embodiment five: a kind of remaining needle
This remaining needle comprises flexible pipe 1, needle tubing 2, hose connection seat 4, batching pig 5, long duct 6, conduit Connection Block 7, described needle tubing 2 is set in flexible pipe 1, in the tube wall of described flexible pipe 1, be distributed with barium sulfate material development face 8, in the wall cross-section of barium sulfate material development face 8 on described flexible pipe 1 circumferencial direction, continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 80%.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to this utility model spirit change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (2)
1. a remaining needle, comprise flexible pipe (1), needle tubing (2), flexible tube base (4), batching pig (5), long duct (6), conduit Connection Block (7), described needle tubing (2) is set in flexible pipe (1), it is characterized in that: in the tube wall of described flexible pipe (1), be distributed with barium sulfate material development face (8), wall cross-section from described flexible pipe (1) circumferencial direction, barium sulfate material development face (8) continuous distribution forms a circular arc, and the arc length of this circular arc be the circle at described wall cross-section place circumference 62.5% ~ 87.5%.
2. remaining needle according to claim 1, is characterized in that: the arc length of described circular arc be the circle at described wall cross-section place circumference 70% ~ 80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802509.9U CN203619992U (en) | 2013-12-09 | 2013-12-09 | Remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320802509.9U CN203619992U (en) | 2013-12-09 | 2013-12-09 | Remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203619992U true CN203619992U (en) | 2014-06-04 |
Family
ID=50806526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320802509.9U Expired - Lifetime CN203619992U (en) | 2013-12-09 | 2013-12-09 | Remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203619992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496516A (en) * | 2015-12-07 | 2016-04-20 | 曾鹏泉 | Closed arteriovenous puncture trocar |
| WO2021115190A1 (en) * | 2019-12-10 | 2021-06-17 | 深圳市中科微光医疗器械技术有限公司 | Indwelling needle that achieves needle tip positioning in image environment |
-
2013
- 2013-12-09 CN CN201320802509.9U patent/CN203619992U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496516A (en) * | 2015-12-07 | 2016-04-20 | 曾鹏泉 | Closed arteriovenous puncture trocar |
| CN105496516B (en) * | 2015-12-07 | 2020-07-24 | 曾鹏泉 | Closed arteriovenous puncture trocar |
| WO2021115190A1 (en) * | 2019-12-10 | 2021-06-17 | 深圳市中科微光医疗器械技术有限公司 | Indwelling needle that achieves needle tip positioning in image environment |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |