CN111760127B - Indwelling needle assembly with self-contained lighting optical fiber - Google Patents
Indwelling needle assembly with self-contained lighting optical fiber Download PDFInfo
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- CN111760127B CN111760127B CN202010744900.2A CN202010744900A CN111760127B CN 111760127 B CN111760127 B CN 111760127B CN 202010744900 A CN202010744900 A CN 202010744900A CN 111760127 B CN111760127 B CN 111760127B
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- hollow shell
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- hose
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 51
- 210000004204 blood vessel Anatomy 0.000 claims description 20
- 238000005286 illumination Methods 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 238000001802 infusion Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000017 hydrogel Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 abstract description 10
- 230000007547 defect Effects 0.000 abstract description 4
- 210000001367 artery Anatomy 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000000306 component Substances 0.000 description 3
- 239000012510 hollow fiber Substances 0.000 description 3
- 230000002792 vascular Effects 0.000 description 3
- 206010018852 Haematoma Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000004872 arterial blood pressure Effects 0.000 description 2
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000013308 plastic optical fiber Substances 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010003175 Arterial spasm Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 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
一种自带照明光纤的留置针组件，包括留置软管、光导纤维层、手持部、光源接口和接头柱；所述留置软管的前端内插入有穿刺内窥镜；所述手持部为中空壳体，该中空壳体的前后两端的端壁上均开有贯通口，所述中空壳体的前端的端壁上与套筒的后端的端壁固定连接，所述套筒的前端套接在所述留置软管的外壁上并与中空壳体的前端的端壁上开有的贯通口连通，所述留置软管的前端伸出所述套筒之外。结合其它结构有效避免了现有技术中留置针有一定的失败率而影响临床应用、反复穿刺会导致留置针顶端劈裂产生毛刺影响使用、更换动脉穿刺针增加成本、寻找静脉较困难使得准确穿刺难度也较大的缺陷。
An indwelling needle assembly with built-in lighting optical fiber includes an indwelling hose, an optical fiber layer, a handheld part, a light source interface and a connector column; a puncture endoscope is inserted into the front end of the indwelling hose; the handheld part is a hollow shell, and through holes are opened on the end walls at both ends of the hollow shell, the end wall at the front end of the hollow shell is fixedly connected to the end wall at the rear end of the sleeve, the front end of the sleeve is sleeved on the outer wall of the indwelling hose and communicates with the through hole opened on the end wall at the front end of the hollow shell, and the front end of the indwelling hose extends out of the sleeve. Combined with other structures, it effectively avoids the defects of the prior art that the indwelling needle has a certain failure rate and affects clinical application, repeated punctures will cause the top of the indwelling needle to split and produce burrs that affect use, the replacement of arterial puncture needles increases costs, and it is difficult to find a vein, making accurate puncture more difficult.
Description
Technical Field
The invention belongs to the technical field of indwelling needles, and particularly relates to an indwelling needle assembly with an illumination optical fiber.
Background
The indwelling needle assembly is also called a trocar assembly, and the core component parts include a flexible catheter/cannula as an indwelling needle which can be indwelled in a blood vessel, and a puncture guiding needle core as steel needle stainless steel. When in use, the catheter and the needle core are punctured into the blood vessel together, and after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is remained in the blood vessel, so that transfusion treatment is carried out. The existing indwelling needle is widely applied to the aspects of arterial pressure measurement, deep vein catheterization, vein catheterization and the like in clinic. The operation of indwelling needle catheterization mainly comprises blind puncture after touching the artery and vein according to the experience of doctors. And judging whether the blood vessel is placed or not according to the blood return condition of the reserved observation window. After confirmation, the steel needle is withdrawn again, and the remaining needle is kept in the body.
The current arteries, veins, other indwelling needles, etc. have the following drawbacks:
1. Has certain failure rate and affects clinical application.
2. Because of high arterial pressure, the arterial wall is thick, the lumen is thin, once the first puncture tube placement fails, hematoma and arterial spasm of the puncture part are concurrent, so that the second puncture tube placement is difficult, hematoma is formed again, the pulsation cannot be touched, the same part is repeatedly punctured to cause remote ischemia of the palm, and the repeated puncture can cause the cleavage at the top end of the indwelling needle to generate burrs, so that the use is influenced, and the cost is increased for replacing the arterial puncture needle.
3. The deep vein catheterization is difficult to find veins, and the accurate puncture difficulty is also high.
Disclosure of Invention
In order to solve the problems, the invention provides the indwelling needle assembly with the illumination optical fiber, which effectively overcomes the defects that the indwelling needle has a certain failure rate in the prior art to affect clinical application, the repeated puncture can cause the cleavage at the top end of the indwelling needle to generate burrs to affect the use, the arterial puncture needle is replaced to increase the cost, and the vein is difficult to find so that the accurate puncture is difficult.
In order to overcome the defects in the prior art, the invention provides a solution of an indwelling needle assembly with an illuminating optical fiber, which comprises the following specific steps:
an indwelling needle assembly with an illuminating optical fiber comprises an indwelling hose 1, an optical fiber layer 2, a handheld part 3, a light source interface 4 and a joint post 5;
A puncture endoscope is inserted into the front end of the indwelling hose 1, and is inserted into the front end of the indwelling hose 1 from the joint post to observe a puncture part, so that accurate positioning of puncture to a blood vessel is ensured;
The hand-held part 3 is a hollow shell, through holes are formed in the end walls of the front end and the rear end of the hollow shell, the end wall of the front end of the hollow shell is fixedly connected with the end wall of the rear end of the sleeve 6, the front end of the sleeve 6 is sleeved on the outer wall of the indwelling hose 1 and is communicated with the through holes formed in the end wall of the front end of the hollow shell, and the front end of the indwelling hose 1 extends out of the sleeve 6;
One end of the light source interface 4 extends into the hollow shell, the other end of the light source interface 4 is positioned outside the hollow shell, and the end of the light source interface 4 is used for being connected with a light source;
The joint column 5 is of a ring column structure, the end wall of the front end of the joint column 5 is fixedly connected with the end wall of the rear end of the hollow shell, and the front end of the joint column 5 is communicated with a through hole in the end wall of the rear end of the hollow shell;
The front end of the optical fiber layer 2 extends into the indwelling hose 1 to reach the front end of the indwelling hose 1, the rear end of the optical fiber layer 2 extends into the hollow shell through a through hole formed in the end wall of the front end of the hollow shell, and the rear end of the optical fiber layer 2 is communicated with the end of the light source interface 4 extending into the hollow shell.
Further, the bottom wall of the hand-holding part 3 is fixedly connected with a fin-shaped fixing fin 7.
Further, the indwelling hose 1 is sequentially provided with a skin layer 11, an optical fiber layer 2 and an inner wall 12 from outside to inside, the materials of the skin layer 11 and the inner wall 12 are reinforced polyurethane or hydrogel made of PUR materials, and the optical fiber layer 2 is an annular fiber formed by a plurality of single optical fibers.
Further, the inner wall of the indwelling hose 1 is coated with a metal coating.
Further, the optical fiber layer 2 is a polymer optical fiber or a glass fiber optical fiber, and its refractive index is larger than that of the indwelling hose 1.
Further, the structure that one end of the light source interface 4 extends into the hollow shell is as follows:
The top wall of the hollow shell is provided with a through hole, and the end of the light source interface 4 extends into the hollow shell in a transition fit mode through the through hole.
Further, the indwelling needle assembly with the illumination optical fiber further comprises a luer connector 8, the luer connector 8 is communicated with one end of a hose 9, a damping plug 10 is plugged at the rear end of the connector post 5, and the other end of the hose 9 is communicated with the section of the connector post 5 between the damping plug 10 and the handheld part 3. The luer connector 8 is used for externally connecting an infusion tube.
The beneficial effects of the invention are as follows:
1. The novel indwelling hose is designed by combining the optical fiber layer with the indwelling hose made of polyurethane materials.
2. The retaining needle component with the illumination optical fiber integrates the retaining needle function and the illumination function;
3. the glass optical fiber layer is adopted, so that the optical fiber has better biocompatibility and safety.
4. The toughness of the indwelling hose is enhanced to a certain extent by the built-in optical fiber layer, and the occurrence of burrs and curling of the hose in the puncturing process can be avoided.
5. The indwelling hose is matched with the puncture endoscope for use, so that the puncture accuracy and the puncture efficiency are greatly improved.
6. The device adopts visible light imaging, can visually and clearly distinguish organs, tissues and the like, and is suitable for a plurality of situations needing to use indwelling needles, such as arterial catheterization, venous catheterization, deep venous catheterization, other tissue organs and the like.
Drawings
FIG. 1 is an overall block diagram of an indwelling needle assembly with an illuminating fiber according to the present invention.
Fig. 2 is a schematic view of the construction of the indwelling hose according to the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
In order to reduce the defects, the invention designs an indwelling needle component with an illumination optical fiber.
As shown in FIGS. 1-2, the self-illuminating fiber-optic indwelling needle assembly comprises an indwelling hose 1, a fiber-optic layer 2, a hand-held portion 3, The device comprises a light source connector 4 and a connector post 5, wherein a puncture endoscope is inserted into the front end of the indwelling hose 1, the puncture endoscope is inserted into the front end of the indwelling hose 1 from the connector post and used for observing a puncture part to ensure that puncture is accurately positioned to a blood vessel, the hand-held part 3 is a hollow shell, through holes are formed in the end walls of the front end and the rear end of the hollow shell, the end wall of the front end of the hollow shell is fixedly connected with the end wall of the rear end of a circular cylindrical sleeve 6 in a welding or adhesive bonding mode, the front end of the sleeve 6 is sleeved on the outer wall of the indwelling hose 1 in a transition fit mode and is communicated with the through holes formed in the end wall of the front end of the hollow shell, the front end of the indwelling hose 1 extends out of the sleeve 6, one end of the light source connector 4 extends into the hollow shell, the other end of the light source connector 4 is positioned out of the hollow shell, the end of the light source connector 4 is used for being connected with a light source, the end wall of the front end of the hollow shell is fixedly connected with the end wall of the rear end of the circular cylindrical sleeve 6 in a welding or adhesive bonding mode, the front end of the sleeve 5 is sleeved on the front end of the hollow shell, the front end of the indwelling hose 1 is connected with the front end of the hollow fiber layer of the hollow shell 2, and the front end of the hollow fiber layer of the front end of the hollow shell is connected with the front end of the hollow end 2 extends into the hollow fiber layer 2. in this way, by the structure that the front end of the optical fiber layer 2 extends into the indwelling hose 1 to reach the front end of the indwelling hose 1, the light source interface is connected with the illumination light source, so that the light beam emitted by the illumination light source sequentially passes through the light source interface and the optical fiber layer 2 to illuminate the front end of the indwelling hose 1, then the illuminated puncture endoscope observes the vascular position such as artery or vein, then the hand-held part is held, the puncture endoscope at the front end of the indwelling hose 1 is accurately punctured into the blood vessel according to the vascular position, and an operator can accurately extend the indwelling hose 1 to the set indwelling position along the contour of the inner wall of the blood vessel according to the illuminated vascular wall of the illuminated puncture endoscope, and then the hand-held part is held outwards to pull out the optical fiber layer puncture endoscope from the indwelling hose 1 in the blood vessel, so that the indwelling hose can be easily reserved in the blood vessel. The bottom wall of the hand-held part 3 is fixedly connected with the fin-shaped fixing wings 7 by welding or bonding by using an adhesive. The fixing wing 7 can facilitate the fixation of the self-illuminating optical fiber on an external device when the remaining needle assembly needs to be fixed. The indwelling hose 1 sequentially comprises a skin layer 11, an optical fiber layer 2 and an inner wall 12 from outside to inside, wherein the skin layer 11 and the inner wall 12 are made of PUR reinforced polyurethane or hydrogel, and the optical fiber layer 2 is a fiber ring formed by a plurality of single optical fibers. The inner wall of the indwelling hose 1 is coated with a metal coating which is used for isolating stray light and avoiding interference with the definition of the endoscope. the optical fiber layer 2 is a polymer optical fiber or a glass fiber optical fiber, and the refractive index of the optical fiber layer is larger than that of the indwelling hose 1. One end of the light source interface 4 extends into the hollow shell, namely a through hole is formed in the top wall of the hollow shell, and the end of the light source interface 4 extends into the hollow shell in a transition fit mode through the through hole. The indwelling needle assembly with the illumination optical fiber further comprises a luer connector 8, the luer connector 8 is communicated with one end of a hose 9, a damping plug 10 is plugged into the rear end of the connector post 5, and the other end of the hose 9 is communicated with the section of the connector post 5 between the damping plug 10 and the handheld portion 3. The luer connector 8 is used for externally connecting an infusion tube. The hose is also provided with a positive pressure valve 13. The positive pressure valve 13 ensures that blood does not flow out while infusion from the outside is possible.
The invention has the working principle that through the structure that the front end of the optical fiber layer 2 stretches into the indwelling hose 1 to reach the front end of the indwelling hose 1, the light source interface is connected with the illumination light source, so that the light beam emitted by the illumination light source can sequentially pass through the light source interface and the optical fiber layer 2 to illuminate the front end of the indwelling hose 1, then the illuminated puncture endoscope is used for observing the position of a blood vessel such as an artery or a vein, then the hand-held part is held, the needle at the front end of the indwelling hose 1 can accurately puncture the blood vessel according to the position of the blood vessel, and an operator can accurately stretch the indwelling hose 1 to a set indwelling position along the contour of the inner wall of the blood vessel according to the illuminated blood vessel inner wall of the illuminated puncture endoscope, and then the hand-held part is held to be pulled outwards to pull out the puncture endoscope from the indwelling hose 1 in the blood vessel, so that the indwelling hose can be easily reserved in the blood vessel. In addition, when in installation, the rear end of the optical fiber layer 2 extends into the hollow shell to be butted with the joint post, then the push rod or the needle-shaped part for the puncture endoscope is pushed into the front end of the optical fiber layer 2 through the joint post 5, and then the rear end of the optical fiber layer 2 is communicated with the end of the light source interface 4 extending into the hollow shell in a welding or cementing mode.
In a word, the indwelling needle component with the illumination optical fiber adopts visible light imaging, can visually and clearly distinguish organs, tissues and the like, is suitable for a plurality of conditions needing to use indwelling needles such as arterial catheterization, venous catheterization, deep venous catheterization and other tissue organs, realizes puncture catheterization under visual observation by matching with a puncture endoscope, can observe the position of the front end of the indwelling hose and the position of a blood vessel in real time, and improves the puncture accuracy. Compared with the traditional indwelling needle, the invention has no obvious difference in appearance, size, biocompatibility and other aspects, has simple design structure, needs mature technology of indwelling hoses, optical fiber layers, puncture endoscopes and the like, is easy to manufacture, and provides a convenient and practical indwelling needle tool for vast doctors, especially doctors with less clinical experience by placing the optical fiber layers in the indwelling hoses.
While the invention has been described by way of examples, it will be understood by those skilled in the art that the present disclosure is not limited to the examples described above, and that various changes, modifications and substitutions may be made without departing from the scope of the invention.
Claims (6)
1. An indwelling needle assembly with an illumination optical fiber is characterized by comprising an indwelling hose, an optical fiber layer, a handheld part, a light source interface and a joint post;
A puncture endoscope is inserted into the front end of the indwelling hose, and is inserted into the front end of the indwelling hose from the joint post and used for observing a puncture part, so that the puncture is accurately positioned to a blood vessel;
The hand-held part is a hollow shell, through holes are formed in the end walls of the front end and the rear end of the hollow shell, the end wall of the front end of the hollow shell is fixedly connected with the end wall of the rear end of the sleeve, the front end of the sleeve is sleeved on the outer wall of the retaining hose and is communicated with the through holes formed in the end wall of the front end of the hollow shell, and the front end of the retaining hose extends out of the sleeve;
one end of the light source interface extends into the hollow shell;
the other end of the light source interface is positioned outside the hollow shell, and one end of the light source interface positioned outside the hollow shell is used for being connected with a light source;
the connector column is of a ring column structure, the end wall of the front end of the connector column is fixedly connected with the end wall of the rear end of the hollow shell, and the front end of the connector column is communicated with the through hole in the end wall of the rear end of the hollow shell;
The front end of the optical fiber layer extends into the indwelling hose to reach the front end of the indwelling hose, the rear end of the optical fiber layer extends into the hollow shell through a through hole formed in the end wall of the front end of the hollow shell, and the rear end of the optical fiber layer is communicated with the end of the light source interface, which extends into the hollow shell;
The indwelling hose sequentially comprises a cortex, an optical fiber layer and an inner wall from outside to inside, wherein the cortex and the inner wall are made of PUR reinforced polyurethane or hydrogel, and the optical fiber layer is an annular fiber formed by a plurality of single optical fibers.
2. The self-illuminating fiber optic indwelling needle assembly according to claim 1, wherein said base wall of said handpiece is fixedly attached to a fin-like securing wing.
3. The self-illuminating fiber optic indwelling needle assembly according to claim 1, wherein said indwelling hose has a metal coating on the inner wall thereof.
4. The self-illuminating fiber-optic indwelling needle assembly according to claim 1, wherein said optical fiber layer is a polymeric fiber or a glass fiber material fiber having a refractive index greater than that of the indwelling hose.
5. The self-illuminating fiber optic indwelling needle assembly according to claim 1, wherein one end of said light source interface extends into said hollow housing in a configuration of:
The top wall of the hollow shell is provided with a through hole, and the end of the light source interface penetrates through the through hole in a transition fit mode and stretches into the hollow shell.
6. The self-illuminating fiber optic indwelling needle assembly according to claim 1, further comprising a luer fitting in communication with one end of a flexible tube, a rear end of said fitting post being plugged with a damping plug, the other end of said flexible tube being in communication with the length of said fitting post between said damping plug and the handpiece, said luer fitting being for externally connecting an infusion tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744900.2A CN111760127B (en) | 2020-07-29 | 2020-07-29 | Indwelling needle assembly with self-contained lighting optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010744900.2A CN111760127B (en) | 2020-07-29 | 2020-07-29 | Indwelling needle assembly with self-contained lighting optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111760127A CN111760127A (en) | 2020-10-13 |
| CN111760127B true CN111760127B (en) | 2025-01-28 |
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| CN202010744900.2A Active CN111760127B (en) | 2020-07-29 | 2020-07-29 | Indwelling needle assembly with self-contained lighting optical fiber |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212547841U (en) * | 2020-07-29 | 2021-02-19 | 苏州明镜医疗科技有限公司 | An indwelling needle assembly with self-illuminated optical fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7776025B2 (en) * | 2001-10-29 | 2010-08-17 | Edwards Lifesciences Corporation | Method for providing medicament to tissue |
| CN2560377Y (en) * | 2001-11-08 | 2003-07-16 | 王希平 | Weak laser therapeutic needle |
| CN108245740A (en) * | 2016-12-29 | 2018-07-06 | 江佳贞 | Optical fiber is injected and suction unit |
| WO2020088749A1 (en) * | 2018-10-30 | 2020-05-07 | OMARA, Mohamed | Endo-transillumination intravenous cannula needle device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212547841U (en) * | 2020-07-29 | 2021-02-19 | 苏州明镜医疗科技有限公司 | An indwelling needle assembly with self-illuminated optical fiber |
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| CN111760127A (en) | 2020-10-13 |
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