CN116196071A - Puncture needle capable of identifying artery and vein - Google Patents
Puncture needle capable of identifying artery and vein Download PDFInfo
- Publication number
- CN116196071A CN116196071A CN202310058348.5A CN202310058348A CN116196071A CN 116196071 A CN116196071 A CN 116196071A CN 202310058348 A CN202310058348 A CN 202310058348A CN 116196071 A CN116196071 A CN 116196071A
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- pulley
- cavity
- pressure
- puncture needle
- test
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2505/00—Evaluating, monitoring or diagnosing in the context of a particular type of medical care
- A61B2505/03—Intensive care
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention discloses a puncture needle capable of identifying artery and vein, which comprises a puncture needle and a needle handle; a puncture handle is fixedly arranged on the puncture needle; the puncture handle is matched with a self-sealing sleeve sleeved on the puncture needle; and the self-sealing sleeve is filled with self-sealing glue. According to the method, displacement generated by the liquid pressure is reduced and converted into an actual pressure expansion value through the pressure sensor, so that whether the puncture needle stretches into an artery or a vein is judged; the problem of obtain the pressure information inaccurate under the condition that arteriovenous pressure value is little in change is solved, the pressure change is distinguished for the operating doctor in the operation process and is convenient, so that the operation efficiency is improved, and repeated puncture is avoided.
Description
Technical Field
The invention relates to the technical medical appliance field, in particular to a puncture needle capable of identifying arteries and veins.
Background
Arteriovenous puncture is the insertion of a catheter from a venipuncture on the body surface into the lumen of a large vessel or heart. Provides a relatively direct and convenient passage for some treatments, and is generally used for severe patients, major surgery, various critical patients and the like.
Wearing wear
Whether the puncture needle is placed in the vein is judged completely by experience of an operator or through blood color, but the identification method has great uncertainty, repeated puncture can be caused, the workload of a surgeon is increased, and pain of a patient is increased. And if aneurysms, arteriovenous fistulae are caused by puncture errors, surgical operation is needed later, so that the hospitalization period is prolonged, the treatment cost is increased, and the contradiction between doctors and patients is increased.
Therefore, there is a need to design a puncture needle that can identify the arteries and veins.
Disclosure of Invention
The invention aims to provide a puncture needle capable of identifying arteries and veins, so as to solve the problems in the prior art, and the pressure indication of the arteries and veins can be amplified through pressure identification, so that whether the puncture is in place or not can be intuitively judged.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a puncture needle capable of identifying artery and vein, which comprises a puncture needle and a needle handle; a puncture handle is fixedly arranged on the puncture needle; the puncture handle is matched with a self-sealing sleeve sleeved on the puncture needle; the self-sealing sleeve is filled with self-sealing glue;
a pressure sensor is arranged in the needle handle, and the pressure sensor is in signal interaction with the pressure identification component; the pressure sensor converts displacement generated by the liquid pressure into an actual pressure expansion value through multiple reduction, and then judges whether the puncture needle stretches into an artery or a vein.
A transition cavity, a test cavity and an extraction cavity are formed in the needle handle; the transition cavity of the needle handle is communicated with the internal passage of the puncture needle; the transition cavity is respectively communicated with the test cavity and the extraction cavity; the test cavity and the transition cavity and the puncture needle internal channel are positioned in a runner in the same direction; the extraction cavity is arranged at one side of the test cavity; the extraction cavity penetrates through two end surfaces of the needle handle; and the pressure sensor and the pressure identification component are arranged on the test cavity and on the other side of the test cavity.
The pressure identification component comprises a pulley amplifying group, a test block and a pressure display part; the test block is plugged at the joint of the test cavity and the transition cavity; the test block is slidably arranged in the test cavity; a strip-shaped groove is formed in the center of one side wall of the test cavity; the length of the test block is not lower than the length of the test cavity; the first pulley of the pulley amplifying group is fixedly arranged at one side of the test block through a connecting rod; the connecting rod is arranged in the strip-shaped groove in a sliding mode; the pulley amplifying groups are connected through connecting ropes; the pulley amplifying group is connected with the pressure marking block of the pressure display part through a connecting rope.
The pulley amplifying group further comprises a second pulley and a third pulley; the first pulley, the second pulley and the third pulley are sequentially wound with the connecting rope; one end of the connecting rope is bound on the first pulley, and the other end of the connecting rope is bound on one side end face of the pressure identification block; a display cavity is further formed in the needle handle, and the first pulley, the second pulley and the third pulley are all arranged in the display cavity; a baffle plate is also arranged in the display cavity; the pressure identification block is separated from the first pulley, the second pulley and the third pulley through a partition plate; the third pulley is arranged at an opening formed in the partition plate.
The pressure sensor is arranged in the display cavity and is in signal interaction with the pressure identification block.
The other end face of the pressure mark block is fixedly connected with one end of an elastic piece; the other end of the elastic piece is arranged at one side of the bottom surface of the needle handle.
The test block comprises a piston block and a mounting block; the connecting rod is arranged on the mounting block; the piston block is disposed in the test cavity.
The diameters of the first pulley and the second pulley are the same and are 1-3 times that of the third pulley.
The invention discloses the following technical effects: according to the method, displacement generated by the liquid pressure is reduced and converted into an actual pressure expansion value through the pressure sensor, so that whether the puncture needle stretches into an artery or a vein is judged; the problem of obtain the pressure information inaccurate under the condition that arteriovenous pressure value is little in change is solved, the pressure change is distinguished for the operating doctor in the operation process and is convenient, so that the operation efficiency is improved, and repeated puncture is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure;
FIG. 2 is a schematic view of the internal structure of the needle handle;
FIG. 3 is a schematic view of a self-sealing sleeve;
wherein, 1, a puncture needle; 2. a needle handle; 3. self-sealing sleeve; 4. a pressure identification block; 5. a connecting rod; 11. a puncture handle; 21. a pressure sensor; 22. a test block; 23. a strip-shaped groove; 24. a first pulley; 25. a second pulley; 26. a third pulley; 27. a partition plate; 28. a piston block; 29. a mounting block; 31. needle tube passage holes; 32. a ring placing space; 33. and (5) a rib ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides a puncture needle capable of identifying artery and vein, which comprises a puncture needle 1 and a needle handle 2; a puncture handle 11 is fixedly arranged on the puncture needle 1; the puncture handle 11 is matched with the self-sealing sleeve 3 sleeved on the puncture needle 1; the self-sealing sleeve 3 is filled with self-sealing glue;
a pressure sensor 21 is arranged in the needle handle 2, and the pressure sensor 21 is in signal interaction with the pressure identification component; the pressure sensor 21 converts the displacement amount generated by the liquid pressure into an actual pressure expansion value through multiple reduction, and further judges whether the puncture needle 1 extends into an artery or a vein.
A transition cavity, a test cavity and an extraction cavity are formed in the needle handle 2; the transition cavity of the needle handle 2 is communicated with the internal channel of the puncture needle 1; the transition cavity is respectively communicated with the test cavity and the extraction cavity; the test cavity and the transition cavity and the internal channel of the puncture needle 1 are positioned in the same direction of the flow channel; the extraction cavity is arranged at one side of the test cavity; the extraction cavity penetrates through the two end surfaces of the needle handle 2; and a pressure sensor 21 and a pressure identification component are arranged on the test cavity and the other side of the test cavity.
The pressure identification component comprises a pulley amplifying group, a test block 22 and a pressure display part; the test block 22 is plugged at the joint of the test cavity and the transition cavity; the test block 22 is slidably disposed within the test cavity; a strip-shaped groove 23 is formed in the center of one side wall of the test cavity; the length of the test block 22 is not less than the length of the test cavity; the first pulley 24 of the pulley amplifying group is fixedly arranged on one side of the test block 22 through the connecting rod 5; the connecting rod 5 is arranged in the strip-shaped groove in a sliding way; the pulley amplifying groups are connected through connecting ropes; the pulley amplifying group is connected with a pressure marking block 4 of the pressure display part through a connecting rope.
The pulley amplifying group further comprises a second pulley 25 and a third pulley 26; the first pulley 24, the second pulley 25 and the third pulley 26 are sequentially wound with connecting ropes; one end of the connecting rope is bound on the first pulley 24, and the other end of the connecting rope is bound on one side end face of the pressure identification block 4; a display cavity is also formed in the needle handle 2, and a first pulley 24, a second pulley 25 and a third pulley 26 are all arranged in the display cavity; and a baffle 27 is also arranged in the display cavity; the pressure mark block 4 is separated from the first pulley 24, the second pulley 25 and the third pulley 26 by a partition plate; the third pulley 26 is placed at an opening provided in the partition 27.
In one embodiment of the invention, the pulley diameter ratio of the pulley amplifying group is reasonably set, the pressure value existing in the characteristics of the artery and vein is amplified in multiple, and then the displacement distance of the pressure marking block 4 and the pressure value generated by the elastic piece are converted into the pressure indication corresponding to the artery and vein through the pressure sensor 21, so that medical staff can be helped to intuitively judge the position of the puncture needle 1.
In one embodiment of the present invention, since the blood reflux impacts the test block 22 after the puncture needle 1 is inserted into the patient, the test block 22 moves with the first pulley 24 moving simultaneously, and the first pulley 24 pulls the connecting cord; the connecting rope drives the pressure identification block 4 and the test block 22 to move in the same direction through the traction of the second pulley 25 and the third pulley 26; the pressure change display span is multiplied, so that the human body can accurately and rapidly acquire the pressure change information; it is not necessary to cut repeatedly in the conventional mode, and finally, the judgment is inaccurate.
In one embodiment of the present invention, because the test chamber and the aspiration chamber are at the same level during lancing, a pressure indication pull is first generated to achieve blood aspiration.
The pressure sensor 21 is placed in the display chamber and is in signal interaction with the pressure identification block 4.
The other end face of the pressure mark block 4 is also fixedly connected with one end of an elastic piece; the other end of the elastic piece is arranged on one side of the bottom surface of the needle handle 2.
The test block 22 includes a piston block 28 and a mounting block 29; the connecting rod 5 is arranged on the mounting block 29; the piston block 28 is disposed within the test cavity.
The first pulley 24 and the second pulley 25 are the same diameter and are each 1-3 times the third pulley 26.
In one embodiment of the present invention, the lancing handle 11 includes a collar portion and a grip portion; the holding lug parts are symmetrically arranged on the outer wall of the lantern ring part; the lantern ring part is fixedly sleeved at the middle part of the puncture needle 1; the holding lug part is matched with the internal structure of the self-sealing sleeve 3.
In one embodiment of the invention, the self-sealing sleeve 3 is movably arranged on the outer wall of the puncture needle 1; the self-sealing sleeve 3 comprises needle tube passage holes 31 arranged on two sides and a ring placing space 32 arranged between the two needle tube passage holes 31; the space 32 is filled with self-sealing glue.
In one embodiment of the invention, the self-sealing sleeve 3 is fixedly provided with a rib ring 33 near the needle handle 2; a needle cannula passageway 31 is formed in the collar 33.
In one embodiment of the invention, the self-sealing gel is a blood gel and the medical wound is a closed gel; self-sealing mode: firstly, hemostatic gel is injected into the ring placing space 32, the puncture needle 1 enters the artery through the skin, after the operation is finished, a part of the needle core is retracted until the hemostatic gel is changed into a cylindrical shape from a ring shape, then the needle is integrally pulled out, the gel is simultaneously released when the whole is pulled out, and the hemostatic gel is automatically plugged along the path of the needle opening.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (8)
1. An arterial and venous identifiable puncture needle, comprising: a puncture needle (1) and a needle handle (2); a puncture handle (11) is fixedly arranged on the puncture needle (1); the puncture handle (11) is matched with a self-sealing sleeve (3) sleeved on the puncture needle (1); the self-sealing sleeve (3) is filled with self-sealing glue;
a pressure sensor (21) is arranged in the needle handle (2), and the pressure sensor (21) is in signal interaction with the pressure identification component; the pressure sensor (21) converts displacement generated by the liquid pressure into an actual pressure expansion value through multiple reduction, and further judges whether the puncture needle (1) stretches into an artery or a vein.
2. An arteriovenous-identifiable puncture needle according to claim 1, wherein: a transition cavity, a test cavity and an extraction cavity are formed in the needle handle (2); the transition cavity of the needle handle (2) is communicated with the internal channel of the puncture needle (1); the transition cavity is respectively communicated with the test cavity and the extraction cavity; the test cavity and the transition cavity and the internal channel of the puncture needle (1) are positioned in a flow channel in the same direction; the extraction cavity is arranged at one side of the test cavity; the extraction cavity penetrates through the two end surfaces of the needle handle (2); and the pressure sensor (21) and the pressure identification component are arranged on the test cavity and on the other side of the test cavity.
3. An arteriovenous-identifiable puncture needle according to claim 2, wherein: the pressure identification assembly comprises a pulley amplifying group, a test block (22) and a pressure display part; the test block (22) is plugged at the joint of the test cavity and the transition cavity; the test block (22) is slidably arranged in the test cavity; a strip-shaped groove (23) is formed in the center of one side wall of the test cavity; the length of the test block (22) is not lower than the length of the test cavity; a first pulley (24) of the pulley amplifying group is fixedly arranged at one side of the test block (22) through a connecting rod (5); the connecting rod (5) is arranged in the strip-shaped groove in a sliding way; the pulley amplifying groups are connected through connecting ropes; the pulley amplifying group is connected with a pressure identification block (4) of the pressure display part through a connecting rope.
4. A needle for identifying an arteriovenous puncture as set forth in claim 3 wherein: the pulley amplifying group further comprises a second pulley (25) and a third pulley (26); the first pulley (24), the second pulley (25) and the third pulley (26) are sequentially wound with the connecting rope; one end of the connecting rope is bound on the first pulley (24), and the other end of the connecting rope is bound on one side end face of the pressure identification block (4); a display cavity is further formed in the needle handle (2), and the first pulley (24), the second pulley (25) and the third pulley (26) are both arranged in the display cavity; a baffle plate (27) is arranged in the display cavity; the pressure identification block (4) is separated from the first pulley (24), the second pulley (25) and the third pulley (26) by a partition plate; the third pulley (26) is arranged at an opening formed in the partition plate (27).
5. An arteriovenous-identifiable puncture needle according to claim 4, wherein: the pressure sensor (21) is arranged in the display cavity and is in signal interaction with the pressure identification block (4).
6. An arteriovenous-identifiable puncture needle according to claim 4, wherein: the other end face of the pressure mark block (4) is fixedly connected with one end of an elastic piece; the other end of the elastic piece is arranged at one side of the bottom surface of the needle handle (2).
7. An arteriovenous-identifiable puncture needle according to claim 2, wherein: the test block (22) comprises a piston block (28) and a mounting block (29); the connecting rod (5) is arranged on the mounting block (29); the piston block (28) is disposed within the test cavity.
8. An arteriovenous-identifiable puncture needle according to claim 4, wherein: the diameters of the first pulley (24) and the second pulley (25) are the same and are 1-3 times that of the third pulley (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310058348.5A CN116196071A (en) | 2023-01-18 | 2023-01-18 | Puncture needle capable of identifying artery and vein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310058348.5A CN116196071A (en) | 2023-01-18 | 2023-01-18 | Puncture needle capable of identifying artery and vein |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116196071A true CN116196071A (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310058348.5A Pending CN116196071A (en) | 2023-01-18 | 2023-01-18 | Puncture needle capable of identifying artery and vein |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116196071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118000849A (en) * | 2024-01-26 | 2024-05-10 | 南方医科大学第三附属医院（广东省骨科研究院） | Central venous catheter-placed puncture needle for distinguishing arteriovenous blood |
-
2023
- 2023-01-18 CN CN202310058348.5A patent/CN116196071A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118000849A (en) * | 2024-01-26 | 2024-05-10 | 南方医科大学第三附属医院（广东省骨科研究院） | Central venous catheter-placed puncture needle for distinguishing arteriovenous blood |
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