CN115154752A - Visible blood return remaining needle with multiple observation positions - Google Patents
Visible blood return remaining needle with multiple observation positions Download PDFInfo
- Publication number
- CN115154752A CN115154752A CN202210772959.1A CN202210772959A CN115154752A CN 115154752 A CN115154752 A CN 115154752A CN 202210772959 A CN202210772959 A CN 202210772959A CN 115154752 A CN115154752 A CN 115154752A
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- CN
- China
- Prior art keywords
- blood return
- catheter
- needle
- base
- inner cavity
- 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
- 239000008280 blood Substances 0.000 title claims abstract description 71
- 210000004369 blood Anatomy 0.000 title claims abstract description 70
- 239000002775 capsule Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 3
- 238000010241 blood sampling Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 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
Images
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
-
- 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
- A61M2005/1586—Holding accessories for holding infusion needles on the body
-
- 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
- A61M2005/1587—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
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 invention relates to a visible blood return indwelling needle with multiple observation positions, which comprises: the left end of the center of the catheter base is communicated with the inner cavity of the catheter base to form a catheter, an ejector rod is movably arranged at the right end of the inner cavity of the catheter base and is located at the left end of the inner cavity of the catheter base to form a sealing rubber plug, a first blood return observation cavity is reserved between the inner cavity of the catheter base and the sealing rubber plug, a needle base handle is arranged in a protruding mode at the right end of the catheter base and is used for pushing and pulling the ejector rod to drive the sealing rubber plug to move in the inner cavity of the catheter base, a needle base is connected to the right end of the needle base handle and is provided with a needle base, a blood return capsule is arranged on the middle portion of the right end of the needle base in an inserted mode, a second blood return observation cavity is reserved between the blood return capsule and the needle base, and the right end of the catheter extends to the inner cavity of the second blood return observation cavity. After the blood sampling puncture is successful, blood can overflow in the inner cavity of the blood return window sleeve, so that the blood return phenomenon can be observed quickly and clearly.
Description
Technical Field
The invention relates to the technical field of liquid medicine injection needles, in particular to a visible blood return remaining needle with multiple observation positions.
Background
At present, the matching of the liquid medicine injection remaining needle is widely applied to clinical use. The needle of the indwelling needle for liquid medicine injection is now opaque. When the indwelling needle is used for liquid medicine injection, firstly, a vein needle end is punctured into a vein, and meanwhile, a catheter end is brought into a vein, because the needle is opaque, and the wall of the puncture needle is also opaque, blood return cannot be observed, only after the needle is punctured into the vein, the blood return is observed through the blood return position, whether the blood return is successful or not is found, the pain of a patient caused by a blind puncturing mode is avoided, and a blood sampling tube is wasted due to vacuum loss, so that the visible blood return indwelling needle with multiple observation positions is developed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:
a multi-observation-site visible flashback-blood indwelling needle comprising: the catheter base is characterized in that the left end of the center of the catheter base is communicated with the inner cavity of the catheter base and is provided with a catheter, the right end of the inner cavity of the catheter base is movably provided with an ejector rod, the ejector rod is located at the left end of the inner cavity of the catheter base and is provided with a sealing rubber plug, a first blood return observation cavity is reserved between the inner cavity of the catheter base and the sealing rubber plug, the right end of the catheter base protrudes and is provided with a needle base handle, the needle base handle is used for pushing and pulling the ejector rod to drive the sealing rubber plug to move in the inner cavity of the catheter base, a needle base is connected to the right end of the needle base, a blood return capsule is arranged on the middle portion of the right end of the needle base and is inserted into the inner cavity, a second blood return observation cavity is reserved between the blood return capsule and the needle base, and the right end of the catheter extends to the inner cavity of the second blood return observation cavity.
As a preferable aspect of the multi-observation-site visible flashback-indwelling needle according to the present invention, wherein: the left end of the catheter is provided with a needle tube, and the left top end of the needle tube is provided with an inclined plane.
As a preferable aspect of the multi-observation-site visible flashback-indwelling needle according to the present invention, wherein: the catheter is provided with a blood return observation point near the needle tube.
As a preferable aspect of the multi-observation-site visible flashback-indwelling needle according to the present invention, wherein: the catheter base is characterized in that a holding handle is arranged at the top of the catheter base, and an anti-skidding sleeve is arranged at the holding position of the holding handle.
As a preferable aspect of the multi-observation-site visible flashback-indwelling needle according to the present invention, wherein: an auxiliary holding handle is arranged on one side, close to the holding handle, of the top of the catheter holder, and a placement groove for fingers to be placed in is reserved between the holding handle and the auxiliary holding handle.
As a preferable embodiment of the multi-observation-site visible blood return indwelling needle of the present invention, wherein: the bottom of the conduit seat is provided with a fin which is made of flexible and foldable rubber materials.
As a preferable embodiment of the multi-observation-site visible blood return indwelling needle of the present invention, wherein: the blood return capsule is characterized in that a pull-out type exhaust connector is arranged at the joint of the needle seat and the blood return capsule, the exhaust connector is movable towards the right, and an exhaust port of the exhaust connector is communicated with the inside of the needle seat.
Compared with the prior art, the invention has the beneficial effects that: after the blood sampling puncture is successful, the blood can overflow in the inner cavity of the blood return window sleeve, so that the blood return phenomenon can be observed quickly and clearly. The blood collection device has compact and reasonable structure, simple blood collection operation, small blood return inner cavity, rapid and clear blood return and convenient observation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of the internal cross-sectional structure of the present invention;
in the figure: needle tube 100, catheter 200, blood return observation point 210, catheter holder 300, first blood return observation cavity 310, handle 320, auxiliary handle 330, wing 340, needle holder 400, second blood return observation cavity 410, exhaust connector 500, needle holder handle 600, ejector rod 700, sealing rubber plug 800 and blood return capsule 900.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially in general scale for the convenience of illustration, and the drawings are only exemplary, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a visible blood return indwelling needle with multiple observation sites, which comprises: the left end of the center of the catheter holder 300 is communicated with the inner cavity of the catheter holder 300 to form a catheter 200, the right end of the inner cavity of the catheter holder 300 is movably provided with a mandril 700, the mandril 700 is positioned at the left end of the inner cavity of the catheter holder 300 and is provided with a sealing rubber plug 800, a first blood return observation cavity 310 is reserved between the inner cavity of the catheter holder 300 and the sealing rubber plug 800, the right end of the catheter holder 300 is convexly provided with a needle holder handle 600, the needle holder handle 600 is used for pushing and pulling the mandril 700 to drive the sealing rubber plug 800 to move in the inner cavity of the catheter holder 300, the right end of the needle holder handle 600 is connected with a needle holder 400, the middle part of the right end of the needle holder 400 is inserted into the inner cavity and is provided with a blood return capsule 900, a second blood return observation cavity 410 is reserved between the blood return capsule 900 and the needle holder 400, and the right end of the catheter 200 extends to the inner cavity of the second blood return observation cavity 410.
Wherein: the left end of the catheter 200 is provided with a needle tube 100, and the left top end of the needle tube 100 is provided with an inclined surface.
Wherein: the catheter 200 is provided with a blood return observation point 210 near the needle tube 100.
Wherein: the top of the catheter hub 300 is provided with a holding handle 320, and the hand-held part of the holding handle 320 is provided with an anti-slip sleeve.
Wherein: a secondary handle 330 is arranged on the top of the catheter hub 300 near the handle 320, and a placement groove for fingers to be placed in is reserved between the handle 320 and the secondary handle 330.
Wherein: the bottom of the catheter hub 300 is provided with a fin 340, and the fin 340 is made of flexible and foldable rubber material.
Wherein: the connection part of the needle seat 400 and the blood return capsule 900 is provided with a drawing type exhaust connector 500, the exhaust connector 500 is movable towards the right, and an exhaust port of the exhaust connector 500 is communicated with the inside of the needle seat 400.
In a specific use process, after the blood sampling puncture is successful, blood can overflow from the blood observation point, the first blood return observation cavity and the second blood return observation cavity, so that the blood return phenomenon can be observed quickly and clearly. The blood collection device has compact and reasonable structure, simple blood collection operation, small blood return inner cavity, rapid and clear blood return and convenient observation.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of this invention can be used in any combination as long as there is no structural conflict, and the combination is not exhaustively described in this specification merely for the sake of brevity and resource savings. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A visible blood return indwelling needle with multiple observation positions is characterized by comprising: the blood return catheter comprises a catheter base (300), a catheter (200) is arranged at the left end of the center of the catheter base (300) and communicated with the inner cavity of the catheter base (300), an ejector rod (700) is movably arranged at the right end of the inner cavity of the catheter base (300), a sealing rubber plug (800) is arranged at the left end of the inner cavity of the catheter base (300), a first blood return observation cavity (310) is reserved between the inner cavity of the catheter base (300) and the sealing rubber plug (800), a needle base handle (600) is arranged at the right end of the catheter base (300) in a protruding mode, the needle base handle (600) is used for pushing and pulling the ejector rod (700) to drive the sealing rubber plug (800) to move in the inner cavity of the catheter base (300), a needle base (400) is connected to the right end of the needle base (600), a blood return capsule (900) is arranged in the middle of the right end of the needle base (400) and inserted into the inner cavity, a second blood return observation cavity (410) is reserved between the blood return capsule (900) and the needle base (400), and the right end of the catheter (200) extends to the inner cavity of the second blood return observation cavity (410).
2. The visible blood return indwelling needle with multiple observation sites according to claim 1, wherein: the left end of the catheter (200) is provided with a needle tube (100), and the left top end of the needle tube (100) is provided with an inclined surface.
3. The visible blood return indwelling needle with multiple observation sites according to claim 1, wherein: the catheter (200) is provided with a blood return observation point (210) near the needle tube (100).
4. The visible blood return indwelling needle with multiple observation sites according to claim 1, wherein: the top of the catheter holder (300) is provided with a holding handle (320), and the holding part of the holding handle (320) is provided with an anti-skid sleeve.
5. The visible blood return indwelling needle with multiple observation sites according to claim 4, wherein: an auxiliary holding handle (330) is arranged on one side, close to the holding handle (320), of the top of the catheter holder (300), and a placement groove for fingers to be placed in is reserved between the holding handle (320) and the auxiliary holding handle (330).
6. The visible blood return indwelling needle with multiple observation sites according to claim 1, wherein: the bottom of the conduit seat (300) is provided with a fin (340), and the fin (340) is made of flexible foldable rubber materials.
7. The visible blood return indwelling needle with multiple observation sites according to claim 1, wherein: the connection part of the needle seat (400) and the blood return capsule (900) is provided with a drawing type exhaust connector (500), the exhaust connector (500) is movable towards the right, and an exhaust port of the exhaust connector (500) is communicated with the interior of the needle seat (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772959.1A CN115154752A (en) | 2022-06-30 | 2022-06-30 | Visible blood return remaining needle with multiple observation positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210772959.1A CN115154752A (en) | 2022-06-30 | 2022-06-30 | Visible blood return remaining needle with multiple observation positions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115154752A true CN115154752A (en) | 2022-10-11 |
Family
ID=83489778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210772959.1A Pending CN115154752A (en) | 2022-06-30 | 2022-06-30 | Visible blood return remaining needle with multiple observation positions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115154752A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614686Y (en) * | 2003-04-24 | 2004-05-12 | 苏州碧迪医疗器械有限公司 | Venous retention needle capable of quickly seeing returned blood |
| CN101015721A (en) * | 2006-02-12 | 2007-08-15 | 董中新 | Artery-vein catherter preventing blood outflow provided with blood sampling opening |
| CN114602002A (en) * | 2022-03-12 | 2022-06-10 | 苏州鑫康道医疗科技有限公司 | Safety type indwelling needle with blood return overflow preventing and needle-prick injury preventing device |
| CN115006652A (en) * | 2022-06-27 | 2022-09-06 | 苏州鑫康道医疗科技有限公司 | Pen-holder type indwelling needle capable of preventing blood return from overflowing and preventing blood return from being visible on wall of needle head catheter |
| CN218501089U (en) * | 2022-06-30 | 2023-02-21 | 上海普益医疗器械股份有限公司 | Novel remaining needle capable of preventing blood from flowing out |
-
2022
- 2022-06-30 CN CN202210772959.1A patent/CN115154752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2614686Y (en) * | 2003-04-24 | 2004-05-12 | 苏州碧迪医疗器械有限公司 | Venous retention needle capable of quickly seeing returned blood |
| CN101015721A (en) * | 2006-02-12 | 2007-08-15 | 董中新 | Artery-vein catherter preventing blood outflow provided with blood sampling opening |
| CN114602002A (en) * | 2022-03-12 | 2022-06-10 | 苏州鑫康道医疗科技有限公司 | Safety type indwelling needle with blood return overflow preventing and needle-prick injury preventing device |
| CN115006652A (en) * | 2022-06-27 | 2022-09-06 | 苏州鑫康道医疗科技有限公司 | Pen-holder type indwelling needle capable of preventing blood return from overflowing and preventing blood return from being visible on wall of needle head catheter |
| CN218501089U (en) * | 2022-06-30 | 2023-02-21 | 上海普益医疗器械股份有限公司 | Novel remaining needle capable of preventing blood from flowing out |
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