CN112168296A - Anti-overflow blood totally enclosed's arteriopuncture external member - Google Patents
Anti-overflow blood totally enclosed's arteriopuncture external member Download PDFInfo
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- CN112168296A CN112168296A CN202011046013.4A CN202011046013A CN112168296A CN 112168296 A CN112168296 A CN 112168296A CN 202011046013 A CN202011046013 A CN 202011046013A CN 112168296 A CN112168296 A CN 112168296A
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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
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
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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
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to the technical field of medical instruments and discloses an anti-overflow blood totally-enclosed type arterial puncture kit, which comprises a blocking component, a fixing component, a puncture needle component and an indwelling cannula; the indwelling cannula is detachably connected to the blocking component and is sleeved on the puncture needle component; the blocking assembly comprises a tube body, an inner sleeve and a linking tube, the linking tube is connected to the right end of the tube body, the inner sleeve is positioned in the tube body, an external thread is arranged on the outer side wall of the linking tube, a silica gel pad is arranged at the right end of the linking tube, and the blocking assembly is sleeved on the puncture needle assembly; the fixing component comprises a steel needle, a connecting part and a fixing sleeve, the connecting part is connected to the right end of the fixing sleeve and is used for connecting a pressure measuring transducer, the steel needle is connected inside the fixing sleeve, the steel needle penetrates into the silica gel pad, and an internal thread in threaded connection with the external thread is arranged on the inner side wall of the fixing sleeve; solves the problem that the arterial blood overflows in the process of arterial puncture catheterization and pressure measurement in the prior art, thereby causing the blood pollution and even cross infection of puncture parts and operators by patients.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an anti-blood-spill totally-enclosed type arterial puncture kit.
Background
At present, invasive arterial blood pressure monitoring is widely applied to critical care, various major operations and perioperative management of patients with severe hypertension, heart disease and other high-risk factors. The peripheral arterial puncture is firstly needed to be carried out, and an indwelling needle is arranged in the peripheral artery of a patient, so the arterial puncture needle required by the operation is a necessary tool for invasive arterial blood pressure monitoring. With the popularization and the popularization of the ultrasonic guidance technology, the success rate of the arterial puncture tube placement is greatly improved, but the arterial blood backflow overflow cannot be completely avoided in the traditional arterial puncture needle puncture tube placement operation process; in addition, in the process of connecting the pressure measuring transducer after successful arterial puncture catheterization, an operator is very easy to cause the blood overflow of the arterial cannula opening if the arterial blood flow cannot be completely blocked due to the high arterial blood vessel pressure. Thereby creating the risk of contamination of the puncture site, the operator with patient blood and even cross-contamination.
Disclosure of Invention
The invention provides an anti-blood-overflow totally-enclosed type arterial puncture kit which has the advantages of simple structure, no need of adding operation steps and accordance with the real flow of clinical practical application, and solves the problem that in the prior art, arterial blood overflows in the processes of arterial puncture tube placement and pressure measurement, so that the puncture position and an operator are polluted by the blood of a patient and even cross infection is caused.
The invention provides the following technical scheme: an anti-overflow blood totally enclosed type artery puncture kit comprises a blocking component, a fixing component, a puncture needle component and an indwelling cannula; the indwelling cannula is detachably connected to the blocking component and sleeved on the puncture needle component; the blocking assembly comprises a tube body, an inner sleeve and a linking tube, the linking tube is fixedly connected to the right end of the tube body, the inner sleeve is located in the tube body, the inner sleeve is fixedly connected to the left end of the linking tube, an external thread is arranged on the outer side wall of the linking tube, a silica gel pad is arranged at the right end of the linking tube, the puncture needle assembly sequentially penetrates through the silica gel pad, the linking tube and the inner sleeve, and the blocking assembly is sleeved on the puncture needle assembly; the fixed subassembly includes steel needle, connecting portion and fixed cover, fixed cover is the pipe box of opening left, connecting portion fixed connection be in fixed cover right-hand member, connecting portion are used for connecting the pressure measurement transducer, steel needle fixed connection be in fixed cover is inside, the steel needle pierces the silica gel pad, be equipped with the internal thread on the fixed cover inside wall, the internal thread with external screw thread screw-thread fit connects.
Preferably, the pjncture needle subassembly includes puncture needle pipe, puncture needle file, observation tube, shutoff cap and pellicle, puncture needle pipe fixed connection be in puncture needle file left end, the connection can be dismantled to the observation tube puncture needle file right-hand member, the connection can be dismantled to the shutoff cap the observation tube right-hand member, the pellicle sets up the shutoff cap right-hand member.
Preferably, the semi-permeable membrane is permeable only to air and not blood.
Preferably, the observation tube is made of a transparent plastic material.
Preferably, the indwelling cannula comprises an indwelling needle tube and an indwelling needle tube seat, the indwelling needle tube seat is detachably connected to the left end of the tube body, the indwelling needle tube is fixedly connected to the left end of the indwelling needle tube seat, and the puncture needle tube penetrates through the indwelling needle tube seat and extends into the indwelling needle tube.
Preferably, the indwelling needle tube is sleeved with a needle tube protective sleeve.
The invention has the following beneficial effects:
firstly, the totally enclosed arterial puncture suite preventing blood overflow provides a new idea capable of preventing arterial blood backflow and overflow and cross infection.
The totally enclosed arterial puncture kit capable of preventing blood overflow can completely avoid arterial blood backflow overflow during operation of puncture tube placement and in the process of connecting a pressure measuring transducer after successful tube placement during arterial puncture, and further fundamentally solves the problems of arterial blood overflow pollution and even cross infection during arterial puncture tube placement and pressure measurement.
Thirdly, the anti-overflow blood totally enclosed type artery puncture suite has the advantages that operation steps are not added when the artery puncture suite is used, and the artery puncture suite accords with a real process of clinical practical application.
Fourthly, the middle section of the puncture needle is provided with a blocking component which can completely block the overflowing arterial blood in the process of placing the tube. The surface of the rear section of the blocking component is provided with threads; we also designed a fixing assembly for connecting the pressure transducer with the blocking assembly, which is a structure with a steel needle and internal threads; after putting the pipe, will fix the steel needle head end of subassembly and pierce and block the subassembly, will block the subassembly simultaneously and screw up with fixed subassembly is rotatory, but fixed subassembly tail end lug connection pressure measurement transducer.
And fifthly, the anti-overflow totally enclosed arterial puncture kit solves the problem of blood-borne pollution in the arterial puncture process, and has a relatively high clinical application prospect.
Drawings
FIG. 1 is a schematic view of the construction of the lancet assembly of the present invention;
FIG. 2 is a schematic structural view of a blocking member according to the present invention;
fig. 3 is a schematic structural view of the fixing member of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an anti-overflow blood totally enclosed type arterial puncture kit comprises a blocking component 1, a fixing component 2, a puncture needle component 3 and an indwelling cannula 4.
Wherein, the indwelling cannula 4 is detachably connected to the blocking component 1, and the indwelling cannula 4 is sleeved on the puncture needle component 3; the blocking assembly 1 comprises a tube body 13, an inner sleeve 11 and an adapter tube 12, the adapter tube 12 is fixedly connected to the right end of the tube body 13, the inner sleeve 11 is located in the tube body 13, the inner sleeve 11 is fixedly connected to the left end of the adapter tube 12, an external thread 121 is arranged on the outer side wall of the adapter tube 122, a silica gel pad 122 is arranged at the right end of the adapter tube 12, the puncture needle assembly 3 sequentially penetrates through the silica gel pad 122, the adapter tube 12 and the inner sleeve 11, the blocking assembly 1 is sleeved on the puncture needle assembly 3, and arterial blood backflow overflow during puncture tube placement operation can be avoided; the fixing component 2 comprises a steel needle 22, a connecting part 21 and a fixing sleeve 24, the fixing sleeve 24 is a pipe sleeve with a left opening, the connecting part 21 is fixedly connected to the right end of the fixing sleeve 24, the connecting part 12 is used for connecting a pressure measuring transducer, the steel needle 22 is fixedly connected inside the fixing sleeve 24, the steel needle 22 penetrates into the silica gel pad 122, and arterial blood backflow overflow in the process of connecting the pressure measuring transducer after successful pipe placement is avoided; the inner side wall of the fixing sleeve 24 is provided with an internal thread 23, and the internal thread 24 is in thread fit connection with the external thread 122, so that the conventional sleeve flushing, pressure measuring and other operations are facilitated.
The puncture needle assembly 3 comprises a puncture needle tube 31, a puncture needle seat 35, an observation tube 34, a plugging cap 32 and a semipermeable membrane 33, wherein the puncture needle tube 31 is fixedly connected to the left end of the puncture needle seat 35, the observation tube 34 is detachably connected to the right end of the puncture needle seat 35, and the observation tube 34 is made of transparent plastic materials, so that blood return can be observed conveniently; the plugging cap 32 is detachably connected to the right end of the observation tube 34, the semipermeable membrane 33 is arranged at the right end of the plugging cap 32, and the semipermeable membrane 33 only allows air to pass through but does not allow blood to pass through.
The indwelling cannula 4 includes an indwelling needle tube 41 and an indwelling needle tube base 42, the indwelling needle tube base 42 is detachably connected to the left end of the tube body 13, the indwelling needle tube 41 is fixedly connected to the left end of the indwelling needle tube base 42, the puncture needle tube 31 penetrates the indwelling needle tube base 42 and extends into the indwelling needle tube 41, and after the puncture needle tube 31 is pierced, the indwelling needle tube 41 is completely pushed in the direction of the puncture needle tube 31 and is indwelling in the artery.
The indwelling needle tube 41 is sleeved with a needle tube protective sleeve 5, which is convenient for protecting the indwelling needle tube 41.
The working principle is as follows: when the artery puncture is implemented, firstly, the puncture needle tube 31 is punctured into the artery, then the indwelling cannula 4 is placed, in the process of placing, only the distal part of the obstructing component 1 is pulled out, the obstructing component 1 is kept connected with the indwelling cannula 4, and because the silica gel pad 122 is designed at the tail end of the obstructing component 1, the arterial blood backflow overflow during the operation of the puncture cannula can be avoided; then the fixing component 2 is connected with a pressure measuring transducer, the steel needle end of the fixing component 2 is inserted into the silica gel pad 122 end of the blocking component 1 after washing, then the fixing component and the silica gel pad are screwed up in a rotating mode, and then operations such as washing and pressure measuring of a conventional sleeve can be carried out subsequently.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the invention, the filling pattern is only used for distinguishing the layers and is not limited at all.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an anti-overflow blood totally enclosed's arteriopuncture external member which characterized in that: comprises a blocking component (1), a fixing component (2), a puncture needle component (3) and an indwelling cannula (4); the indwelling cannula (4) is detachably connected to the blocking component (1), and the indwelling cannula (4) is sleeved on the puncture needle component (3); the blocking assembly (1) comprises a tube body (13), an inner sleeve (11) and an engagement tube (12), the engagement tube (12) is fixedly connected to the right end of the tube body (13), the inner sleeve (11) is located in the tube body (13), the inner sleeve (11) is fixedly connected to the left end of the engagement tube (12), an external thread (121) is arranged on the outer side wall of the engagement tube (122), a silica gel pad (122) is arranged at the right end of the engagement tube (12), and the puncture needle assembly (3) sequentially penetrates through the silica gel pad (122), the engagement tube (12) and the inner sleeve (11), so that the blocking assembly (1) is sleeved on the puncture needle assembly (3); fixed subassembly (2) include steel needle (22), connecting portion (21) and fixed cover (24), fixed cover (24) are the pipe box of opening left, connecting portion (21) fixed connection be in fixed cover (24) right-hand member, connecting portion (12) are used for connecting the pressure measurement transducer, steel needle (22) fixed connection be in inside fixed cover (24), steel needle (22) are pierced silica gel pad (122), be equipped with internal thread (23) on fixed cover (24) inside wall, internal thread (24) with external screw thread (122) screw-thread fit connects.
2. The arterial puncture kit of claim 1, wherein the arterial puncture kit comprises: puncture needle subassembly (3) are including puncture needle tubing (31), puncture needle file (35), observation pipe (34), shutoff cap (32) and pellicle (33), puncture needle tubing (31) fixed connection be in puncture needle file (35) left end, it connects to dismantle in observation pipe (34) puncture needle file (35) right-hand member, shutoff cap (32) can be dismantled the connection and be in observe pipe (34) right-hand member, pellicle (33) set up shutoff cap (32) right-hand member.
3. The arterial puncture kit of claim 2, wherein: the semi-permeable membrane (33) is permeable only to air and not to blood.
4. The arterial puncture kit of claim 2, wherein: the observation tube (34) is made of transparent plastic material.
5. The arterial puncture kit of claim 1, wherein the arterial puncture kit comprises: the indwelling cannula (4) comprises an indwelling needle tube (41) and an indwelling needle tube seat (42), the indwelling needle tube seat (42) is detachably connected to the left end of the tube body (13), the indwelling needle tube (41) is fixedly connected to the left end of the indwelling needle tube seat (42), and the puncture needle tube (31) penetrates through the indwelling needle tube seat (42) and extends into the indwelling needle tube (41).
6. The arterial puncture kit of claim 5, wherein the arterial puncture kit comprises: the indwelling needle tube (41) is sleeved with a needle tube protective sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046013.4A CN112168296A (en) | 2020-09-29 | 2020-09-29 | Anti-overflow blood totally enclosed's arteriopuncture external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046013.4A CN112168296A (en) | 2020-09-29 | 2020-09-29 | Anti-overflow blood totally enclosed's arteriopuncture external member |
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| Publication Number | Publication Date |
|---|---|
| CN112168296A true CN112168296A (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011046013.4A Pending CN112168296A (en) | 2020-09-29 | 2020-09-29 | Anti-overflow blood totally enclosed's arteriopuncture external member |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1695555A (en) * | 2005-05-27 | 2005-11-16 | 四川大学华西医院 | Closed type artery indwelling needle |
| US20080027389A1 (en) * | 2003-02-12 | 2008-01-31 | Katsuhiro Hiejima | Indwelling catheter |
| US20120197201A1 (en) * | 2009-10-16 | 2012-08-02 | Terumo Kabushiki Kaisha | Indwelling needle and indwelling needle assembly |
| CN207613843U (en) * | 2017-06-02 | 2018-07-17 | 华中科技大学同济医学院附属协和医院 | A kind of artery puncture trocar |
| CN208243852U (en) * | 2017-07-13 | 2018-12-18 | 南京医科大学第一附属医院 | A kind of fixed push unidirectional valve needle of retaining on artery of annular |
| CN110368070A (en) * | 2018-04-12 | 2019-10-25 | 王增涛 | Blood pressure power guide core paracentesis trocar |
| CN211383152U (en) * | 2019-10-30 | 2020-09-01 | 河南驼人贝斯特医疗器械有限公司 | Butterfly type anti-reflux needle-free quick connection indwelling needle |
-
2020
- 2020-09-29 CN CN202011046013.4A patent/CN112168296A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080027389A1 (en) * | 2003-02-12 | 2008-01-31 | Katsuhiro Hiejima | Indwelling catheter |
| CN1695555A (en) * | 2005-05-27 | 2005-11-16 | 四川大学华西医院 | Closed type artery indwelling needle |
| US20120197201A1 (en) * | 2009-10-16 | 2012-08-02 | Terumo Kabushiki Kaisha | Indwelling needle and indwelling needle assembly |
| CN207613843U (en) * | 2017-06-02 | 2018-07-17 | 华中科技大学同济医学院附属协和医院 | A kind of artery puncture trocar |
| CN208243852U (en) * | 2017-07-13 | 2018-12-18 | 南京医科大学第一附属医院 | A kind of fixed push unidirectional valve needle of retaining on artery of annular |
| CN110368070A (en) * | 2018-04-12 | 2019-10-25 | 王增涛 | Blood pressure power guide core paracentesis trocar |
| CN211383152U (en) * | 2019-10-30 | 2020-09-01 | 河南驼人贝斯特医疗器械有限公司 | Butterfly type anti-reflux needle-free quick connection indwelling needle |
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Application publication date: 20210105 |
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| RJ01 | Rejection of invention patent application after publication |