CN109663172B - Jugular vein puncture indwelling needle - Google Patents
Jugular vein puncture indwelling needle Download PDFInfo
- Publication number
- CN109663172B CN109663172B CN201910034868.6A CN201910034868A CN109663172B CN 109663172 B CN109663172 B CN 109663172B CN 201910034868 A CN201910034868 A CN 201910034868A CN 109663172 B CN109663172 B CN 109663172B
- Authority
- CN
- China
- Prior art keywords
- needle tube
- needle
- catheter
- movable block
- seat
- 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.)
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Links
- 210000004731 jugular vein Anatomy 0.000 title claims abstract description 11
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 210000000078 claw Anatomy 0.000 claims description 12
- 238000001802 infusion Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 7
- 210000004369 blood Anatomy 0.000 description 7
- 230000036772 blood pressure Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000001953 Hypotension Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 208000012866 low blood pressure Diseases 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 210000004003 subcutaneous fat Anatomy 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
-
- 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
- A61M2005/1588—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body having means for monitoring, controlling or visual inspection, e.g. for patency check, avoiding extravasation
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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a jugular vein puncture indwelling needle which comprises a catheter assembly and a needle tube assembly which are connected with each other, wherein the catheter assembly comprises a catheter seat and a catheter fixed at the distal end of the catheter seat and used for transfusion, the needle tube assembly at least comprises a needle tube seat and a needle tube, the proximal end of the needle tube is fixedly arranged in the needle tube seat, the distal end of the needle tube penetrates through the hollow interior of the catheter and stretches out, a detection device is arranged in the needle tube in a relatively movable manner, and the distal end of the detection device can penetrate through the hollow interior of the needle tube and stretch out to determine that the needle tube and the catheter stretch into a blood vessel. The beneficial effects of the invention are mainly as follows: the structure is simple and exquisite, and whether the needle tube successfully stretches into the blood vessel is detected through setting up the seal wire, helps medical personnel to judge fast, improves work efficiency, alleviates patient's misery.
Description
Technical Field
The invention relates to the field of infusion apparatuses, in particular to a jugular vein puncture indwelling needle.
Background
The venous indwelling needle is a medical apparatus for venous transfusion treatment, and an indwelling needle tube of the existing venous indwelling needle is made of a metal material, and because the tube wall of the needle tube cannot transmit light, when a medical staff punctures a venous blood vessel of a patient, whether the indwelling needle tube has penetrated the venous blood vessel of the patient or not needs to be judged by observing whether a blood return cavity in a catheter seat returns blood or not.
In some special cases, the venous return speed of the patient can be slow, for example, the venous return speed can be slow due to the fact that subcutaneous fat of some patients is too thick, and sometimes, when the patients use medicines for controlling blood pressure or are in special cases such as massive hemorrhage, the venous blood pressure can be low, so that the venous return speed is slow. The needle head of the general indwelling needle tube is far away from the blood return cavity, and sometimes too low blood pressure is difficult to squeeze blood into the blood return cavity, the time required for blood in a venous blood vessel of a patient to flow from the needle head of the indwelling needle tube to the blood return cavity is far longer than the operation time for medical staff to puncture the venous blood vessel of the patient, and the operation time can lead the medical staff to be difficult to accurately judge whether the blood vessel of the patient is punctured or not, so that repeated puncture is generated, the catheter tube wall is very thin, the repeated puncture can cause the catheter to be wrinkled, thrombus is generated, mechanical phlebitis is caused, unnecessary pain is brought to the patient, and meanwhile, the working efficiency of the medical staff is also reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a jugular vein puncture indwelling needle.
The aim of the invention is achieved by the following technical scheme:
the catheter assembly comprises a catheter seat and a catheter fixed at the distal end of the catheter seat and used for transfusion, the needle tube assembly at least comprises a needle tube seat and a needle tube, the proximal end of the needle tube is fixedly arranged in the needle tube seat, the distal end of the needle tube penetrates through the hollow interior of the catheter and stretches out, a detection device is arranged in the needle tube in a relatively movable manner, and the distal end of the detection device can penetrate through the hollow interior of the needle tube and stretch out to determine that the needle tube and the catheter stretch into a blood vessel.
Preferably, the detection device comprises a guide wire and a push-pull assembly, wherein the tail end of the guide wire is connected with the push-pull assembly and moves axially in the needle tube.
Preferably, the push-pull assembly comprises a movable block and a chute, wherein the chute is fixedly arranged on the needle tube seat, and the movable block is clamped with the chute and moves axially along the chute.
Preferably, an elastic claw is arranged at the front end of the sliding groove, a convex block with a narrow front and a wide rear is arranged on the movable block, and the position of the convex block is limited by the elastic claw after the convex block passes through the elastic claw.
Preferably, the tail end of the guide wire is bent in a U shape and is inserted into the movable block, and the guide wire can synchronously slide along with the movable block.
Preferably, a slot is provided at the proximal end of the needle tube for allowing the guide wire to slide synchronously with the movable block.
Preferably, a group of raised strips for increasing friction force are arranged on the movable block.
Preferably, the catheter seat is connected with the infusion connector through a long catheter, and a flow stopping clamp is arranged on the long catheter.
The beneficial effects of the invention are mainly as follows: the structure is simple and exquisite, and whether the needle tube successfully stretches into the blood vessel is detected through setting up the seal wire, helps medical personnel to judge fast, improves work efficiency, alleviates patient's misery.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
fig. 1: an explosion schematic diagram of an embodiment of the invention;
fig. 2: schematic diagrams of embodiments of the present invention;
wherein: 1. a catheter holder; 11. a conduit; 2. a needle holder; 3. a needle tube; 31. slotting; 41. a guide wire; 42. a movable block; 43. a chute; 44. an elastic claw; 45. a convex strip; 5. a long catheter; 6. injecting a transfusion joint; 7. and a flow stop clip.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present invention, and structural, methodological, or functional modifications of the invention from those skilled in the art are included within the scope of the invention.
In the description of the embodiments, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in the specific orientation, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the scheme, the direction approaching the operator is the near end, and the direction separating from the operator is the far end, with reference to the operator.
As shown in fig. 1 to 2, the present invention discloses a jugular vein puncture indwelling needle, comprising a catheter assembly and a needle tube assembly which are connected with each other, wherein the catheter assembly comprises a catheter seat 1 and a catheter 11 fixed at the distal end thereof for transfusion, the needle tube assembly at least comprises a needle tube seat 2 and a needle tube 3, the proximal end of the needle tube 3 is fixed in the needle tube seat 2, and the distal end of the needle tube 3 passes through the hollow interior of the catheter 11 and extends out.
The interior of the needle cannula 3 is provided with a detection means which is relatively movable, the distal end of the detection means being insertable through the hollow interior of the needle cannula 3 and extendable to determine that the needle cannula 3 and the catheter 11 have been extended into a blood vessel.
Specifically, the detection device comprises a guide wire 41 and a push-pull assembly, and the tail end of the guide wire 41 is connected with the push-pull assembly. The push-pull assembly comprises a movable block 42 and a sliding groove 43, the sliding groove 43 is fixedly arranged on the needle tube seat 2, and the movable block 42 is clamped with the sliding groove 43 and moves axially along the sliding groove 43.
In order to be effectively connected with the push-pull assembly, a slot 31 is arranged at the proximal end of the needle tube 3, the tail end of the guide wire 41 extends out of the slot 31 to be bent in a U shape and is inserted into the movable block 42, and the guide wire slides synchronously along with the movable block 42.
In order to enable the movable block 42 to slide to the front end of the sliding groove 43 and not slide at will, an elastic claw 44 is arranged at the front end of the sliding groove 43, a convex block with a narrow front and a wide rear is arranged on the movable block 42, the elastic claw 44 deforms to pass through the convex block, when the convex block passes through, the elastic claw 44 returns to the original state under the elastic action, and the opening width of the elastic claw 44 is smaller than the width of the rear end of the convex block, so that the convex block cannot move back and forth after passing through the elastic claw 44, and the purpose of limiting the position of the movable block 42 is achieved.
In order to facilitate the medical staff to push the movable block 42, a set of raised strips 45 for increasing friction force are arranged on the movable block 42.
The catheter seat 1 is connected with the infusion connector 6 through a long catheter 5, and a flow stopping clamp 7 is arranged on the long catheter 5. These are prior art and are not of importance as described herein and are not repeated herein.
The operation of the preferred embodiment of the present invention is briefly described as follows:
the medical staff pierces the needle tube 3 into the blood vessel of the patient, pushes the movable block 42 to drive the guide wire 41 to slide forwards, and if the guide wire 41 can be pushed forwards smoothly, the needle tube 3 is proved to be successfully entered into the blood vessel; if forward pushing is difficult, it is indicated that the needle cannula does not enter the blood vessel. When the needle tube 3 is determined to enter the blood vessel, the needle tube 3 is pulled out backwards, the catheter 11 is left in the blood vessel, and the puncture operation of the indwelling needle is completed.
The invention has simple and exquisite structure, and can help medical staff to quickly judge whether the needle tube successfully stretches into the blood vessel or not by arranging the guide wire, thereby improving the working efficiency and relieving the pain of patients.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a jugular vein puncture detaining needle, includes interconnect's pipe subassembly and needle tubing subassembly, the pipe subassembly includes catheter seat (1) and fixes at its distal end, is used for pipe (11) of infusion, the needle tubing subassembly includes at least needle tube seat (2) and needle tubing (3), the proximal end of needle tubing (3) is set firmly in needle tube seat (2), the distal end of needle tubing (3) passes the inside and stretching out of cavity of pipe (11), its characterized in that: a detection device is arranged in the needle tube (3) in a relatively movable manner, and the distal end of the detection device can penetrate through the hollow interior of the needle tube (3) and extend out to determine that the needle tube (3) and the catheter (11) extend into a blood vessel; the detection device comprises a guide wire (41) and a push-pull assembly, wherein the tail end of the guide wire (41) is connected with the push-pull assembly and moves axially in the needle tube (3); the push-pull assembly comprises a movable block (42) and a sliding groove (43), the sliding groove (43) is fixedly arranged on the needle tube seat (2), and the movable block (42) is clamped with the sliding groove (43) and moves axially along the sliding groove (43); the front end of the sliding groove (43) is provided with an elastic claw (44), the movable block (42) is provided with a convex block with a narrow front and a wide rear, and the position of the convex block is limited by the elastic claw (44) after the convex block passes through the elastic claw (44).
2. The jugular vein puncture indwelling needle according to claim 1, wherein: the tail end of the guide wire (41) is bent in a U shape and is inserted into the movable block (42), and the guide wire can synchronously slide along with the movable block (42).
3. The jugular vein puncture indwelling needle according to claim 2, wherein: the proximal end of the needle tube (3) is provided with a slot (31) for enabling the guide wire (41) to synchronously slide along with the movable block (42).
4. A jugular vein puncture indwelling needle according to claim 3, wherein: the movable block (42) is provided with a group of raised strips (45) for increasing friction force.
5. The jugular vein puncture indwelling needle according to claim 1, wherein: the catheter seat (1) is connected with the infusion connector (6) through a long catheter (5), and a flow stopping clamp (7) is arranged on the long catheter (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034868.6A CN109663172B (en) | 2019-01-15 | 2019-01-15 | Jugular vein puncture indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910034868.6A CN109663172B (en) | 2019-01-15 | 2019-01-15 | Jugular vein puncture indwelling needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109663172A CN109663172A (en) | 2019-04-23 |
| CN109663172B true CN109663172B (en) | 2024-03-26 |
Family
ID=66149518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910034868.6A Active CN109663172B (en) | 2019-01-15 | 2019-01-15 | Jugular vein puncture indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109663172B (en) |
Citations (4)
| 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 |
| CN202554636U (en) * | 2012-05-18 | 2012-11-28 | 河南曙光健士医疗器械集团有限公司 | Punch-proof and blood return prevention indwelling needle |
| CN103301528A (en) * | 2013-06-18 | 2013-09-18 | 浙江康德莱医疗器械股份有限公司 | Safe intravenous infusion indwelling needle component |
| CN209771010U (en) * | 2019-01-15 | 2019-12-13 | 苏州林华医疗器械股份有限公司 | Jugular vein puncture remaining needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10617854B2 (en) * | 2016-12-09 | 2020-04-14 | Vascular Access Technologies, Inc. | Trans-jugular carotid artery access methods |
-
2019
- 2019-01-15 CN CN201910034868.6A patent/CN109663172B/en active Active
Patent Citations (4)
| 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 |
| CN202554636U (en) * | 2012-05-18 | 2012-11-28 | 河南曙光健士医疗器械集团有限公司 | Punch-proof and blood return prevention indwelling needle |
| CN103301528A (en) * | 2013-06-18 | 2013-09-18 | 浙江康德莱医疗器械股份有限公司 | Safe intravenous infusion indwelling needle component |
| CN209771010U (en) * | 2019-01-15 | 2019-12-13 | 苏州林华医疗器械股份有限公司 | Jugular vein puncture remaining needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109663172A (en) | 2019-04-23 |
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