CN103948418A - Puncture instrument - Google Patents
Puncture instrument Download PDFInfo
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- CN103948418A CN103948418A CN201410212643.2A CN201410212643A CN103948418A CN 103948418 A CN103948418 A CN 103948418A CN 201410212643 A CN201410212643 A CN 201410212643A CN 103948418 A CN103948418 A CN 103948418A
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- puncture
- needle
- seal wire
- puncture needle
- human 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
- A61B17/3401—Puncturing needles for the peridural or subarachnoid space or the plexus, e.g. for anaesthesia
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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 relates to a puncture instrument, which comprises a puncture needle and a guide wire, wherein the puncture needle is used for realizing puncture on a human body and forms a puncture passage in the body, and the guide wire is suitable for being fed into the human body along a needle tube of the the puncture needle and is remained in the puncture passage to be used as a guide element for next puncture after the puncture needle is pulled out. A use method of the puncture instrument comprises the following steps that a puncture needle core is arranged in the puncture needle to form a whole, and is used for carrying out puncture on a patient; after the puncture to the proper position, the puncture needle core is pulled out for drainage; after the drainage is completed, the front part of the guide wire is fed into the human body along with the tail end of the needle tube of the puncture needle; when the puncture needle is pulled out, aseptic dressing is used for covering the guide wire and fixing the guide wire onto the body surface of the human body; during the puncture in a next time, the puncture needle reaches the puncture position along the guide wire. The puncture instrument provided by the invention is applicable to the patient requiring several times of puncture, and the one-step success of the subsequent puncture is ensured in the use process; the body injury and the psychological burden caused by multi-time puncture on the patient are avoided; the occurrence of complications such as headache and backache is greatly reduced.
Description
The application divides an application.The applying date of original application is on May 3rd, 2012, and application number is 201210134280.6, and denomination of invention is puncture instrument and using method thereof.
Technical field
The present invention relates to a kind of medical thrust apparatus, and the using method of this apparatus.
Background technology
Puncture is a kind of effective means of clinical diagnosis and clinical treatment, comprises lumbar puncture art, thoracentesis, peritoneocentesis etc.Wherein lumbar puncture art is the conventional Clinics and Practices technology of neural inside and outside section.It is with lumbar puncture needle puncture waist cavitas subarachnoidealis spinalis, in lower back center, with the lumbar puncture needle of belt carcass, thrusts about 5cm, punctures spinal dura mater, extracts nook closing member, and cerebrospinal fluid just from drain in hollow puncture needle out.Can be used to measure intracranial pressure, reduce intracranial pressure, drain courage and uprightness or inflammatory cerebrospinal fluid, carry out Arthrocentesis and injection of medicine etc.But puncture may be stabbed nerve or vascular plexus, causes nerve injury or hemorrhage hematoma; Pin hole on spinal dura mater also may cause cerebrospinal leak, causes lumbago or intracranial hypotension headache.In practical operation, owing to executing patient's the reasons such as technology, a pin successful probability that just punctures is little.Due to individual variation, repeated multiple times puncture still unsuccessful case is also of common occurrence.And the diseases such as some intracranial hemorrhage or infection, the object for diagnosis or treatment, needs to carry out repeatedly paracentesis especially.In order to reach better therapeutic effect, need a few days or more than ten in a few days repeatedly to carry out paracentesis, every day 1 to 2 time.Each paracentesis all may be punctured repeatedly could be successfully even not successful, and this has just caused great wound and psychological burden to patient.And the probability of stabbing nerve and blood vessel strengthens, on spinal dura mater, leave over many places pin hole, postoperative cerebral cerebrospinal fluid leakage is heavier, and the probability that the complication such as headache and lumbago occur also greatly increases.
Having at present a kind of method is to adopt waist cavitas subarachnoidealis spinalis indwelling system, it use more general lumbar puncture needle thick many belt carcass puncture needles, after puncturing successfully, extract nook closing member, under the guiding of puncture needle tubing, in waist cavitas subarachnoidealis spinalis, keep somewhere a drainage tube, drainage of cerebrospinal fluid is entered to the external drainage bottle that is fixed on certain altitude, then continue to flow in drainage bag.The advantage of the method is only need carry out one-time puncture, the physiology that having avoided repeatedly punctures brings to sufferer and psychological misery, and also the drainage tube of keeping somewhere can play the effect of constant drainage.But the method for this indwelling drainage tube still exists drawback: 1, puncture needle is thicker, in art, greatly, spinal dura mater cut is also large in damage, and the probability of the complication such as postoperative generation headache and lumbago is large.Puncture needle is slightly that and drainage tube can not be too thin because must pass through drainage tube in needle tubing, and too thin easy plugging is obstructed.2, cranium brain critically ill patient after drainage from indwelling system, limited patient's activity, has been unfavorable for treatment, because need to often stand up, clap the back of the body or carrying checks.3, drainage tube may be extracted accidentally, causes drain failure.Because cranium brain critically ill patient possibility is restless or burst epilepsy often, and need to often stand up, clap the back of the body or carrying inspection.If 4, drainage system safeguard improper, cause retrograde infection may.Especially when rinse, injection etc. operates.5,, due to waist cavitas subarachnoidealis spinalis continuous openness, when patient's intracranial hypertension breaks out, cause cerebral hernia possibility.If 6 puncture and put misoperation while managing, drainage tube is likely punctured pin and cuts off, and the broken ends of fractured bone is left in body.7, expensive.
Summary of the invention
First technical problem that the present invention will solve is to provide that a kind of repeatedly the damage of paracentetic sufferer is little to needs, simple operation, and safe and reliable puncture instrument, second technical problem that the present invention will solve is to provide a kind of using method of this puncture instrument.
In order to solve above-mentioned first technical problem, the invention provides a kind of puncture instrument comprises: for human body puncture is also formed to the puncture needle of puncture channel in vivo, also comprise: be suitable for sending into along the needle tubing of this puncture needle the seal wire of keeping somewhere conduct guiding puncture part next time in described puncture channel in human body and after extracting this puncture needle.
In order to make to keep somewhere seal wire in puncture channel, exposing the part of body surface can well be fixed, and reaching aseptic requirement, a kind of preferred technical scheme is that above-mentioned puncture instrument also comprises: for the part of exposing body surface of seal wire being covered and fixing aseptic dressing after extracting human body at described puncture needle.
Another kind of preferred technical scheme is that above-mentioned puncture instrument is also included in described puncture needle and is pulled out the pad between outer body and body surface that exposes of being located at described seal wire after human body, and has gap on pad; During use, the bottom of exposing outer body of seal wire is clamped and fixed in described gap because seal wire is placed in after part outside human body need bend and is fixed on human body surface, bending place has slightly micro-protuberance, between seal wire and human body surface, pad is set, seal wire is stuck in the gap of pad and can makes seal wire obtain better fixed effect.
The needle tubing that does not have foreign material to enter puncture needle when making to puncture results in blockage, a kind of preferred technical scheme is that above-mentioned puncture instrument also comprises for be arranged in the puncture nook closing member in described puncture needle when human body is punctured, thereby be conducive to reduce the difficulty of puncture, improve the success rate of puncture.
For making the use of seal wire convenient, easily fixing again, the length that a kind of preferred technical scheme is above-mentioned seal wire is 150mm to 250mm, and diameter is 0.2mm to 0.9mm; The surface of seal wire is provided with scale mark.
In order to solve above-mentioned second technical problem, the invention provides a kind of using method of puncture instrument, comprise the following steps:
1. puncture nook closing member is placed in puncture needle and forms one, sufferer is punctured;
2. after puncture puts in place, extract puncture nook closing member, carry out drain;
3. after drain finishes, the front end of seal wire is sent in human body along the needle tubing end of puncture needle, the front end of seal wire passes the needle tubing front end of puncture needle;
4. keep seal wire motionless, extract puncture needle, use aseptic dressing that seal wire is exposed to external part and cover and be fixed on body surface;
while again puncturing, puncture needle arrives site of puncture along seal wire, extracts seal wire, carries out drain.
While carrying out lumbar puncture, for guaranteeing seal wire leading section, stay in cavitas subarachnoidealis spinalis, can puncture needle be guided exactly the spinal dura mater holes forming through last time puncture to enter subarachnoid space when puncturing next time, above-mentioned steps 3. in the front end of seal wire exceed the needle tubing front end 10-50mm of puncture needle.
Step 4. in after extracting puncture needle, first pad is placed in to body surface and the bottom of exposing outer body of seal wire is clamped in the gap of pad, then use aseptic dressing that seal wire is exposed to external part and pad covers and be fixed on body surface.To make seal wire obtain better fixed effect.
Step adopts multilamellar aseptic dressing successively to cover in 4. and fixing seal wire, to prevent that seal wire from being polluted, and the aseptic requirement while being also conducive to loosen dressing before paracentesis next time.
Technique scheme of the present invention has the following advantages compared to existing technology: this puncture instrument adopts seal wire and without drainage tube, thereby puncture needle used is thinner, has alleviated the damage of sufferer with painful; Spinal dura mater acanthopore is less, and the probability of Headache lumbago is also little; Seal wire outer body covers fixing, and sufferer activity is completely unrestricted; Seal wire can be because of restless, burst epilepsy, stand up, clap the back of the body or carrying checks and accidentally to be extracted; The comparatively tough and tensile pin that can not be punctured of seal wire cuts off, and part occurs and leave over the problem in body; The probability that infection occurs is less; When cranium pressure increases suddenly, be difficult for occurring cerebral hernia; Simple in structure, price is relatively low.
Accompanying drawing explanation
For content of the present invention is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below, wherein:
Fig. 1 is the structural representation of the puncture needle of puncture instrument of the present invention;
Fig. 2 is the structural representation of the puncture nook closing member of puncture instrument of the present invention;
Fig. 3 is the structural representation of the seal wire of puncture instrument of the present invention;
Fig. 4 is the structural representation of the aseptic dressing of puncture instrument of the present invention;
Fig. 5 is the structural representation of the pad of puncture instrument of the present invention;
Fig. 6 is the using state figure that the seal wire of puncture instrument of the present invention passes puncture needle;
Fig. 7 is the using state figure that the seal wire of puncture instrument of the present invention is fixed on body surface.
The labelling of above-mentioned accompanying drawing is as follows:
Puncture needle 1, puncture nook closing member 2, seal wire 3, aseptic dressing 4, pad 5, gap 51.
The specific embodiment
(embodiment 1)
See Fig. 1 to Fig. 4, the puncture instrument of the present embodiment comprise for to human body puncture and form in vivo the puncture needle 1 of puncture channel, for being arranged in puncture nook closing member 2 in described puncture needle 1 when human body puncture, be suitable for along the needle tubing of this puncture needle 1 send in human body and extracting the rear seal wire 3 of keeping somewhere conduct guiding puncture part next time in described puncture channel of this puncture needle 1 and for after extracting human body at described puncture needle 1 by the part covering the fixing aseptic dressing 4 that expose body surface of seal wire 3.
Puncture needle 1 is conventional clinically No. 9 lumbar puncture needle (needle tubing external diameter is 0.9mm), and the tip of the needle tubing front portion of puncture needle 1 is a spoonful shape mouth inclined-plane.The tip of the nook closing member front portion of puncture nook closing member 2 is a spoonful shape inclined-plane.Seal wire 3 (meets China's medical device industry standard for the slight curving medical guiding wire of leading section, standard name is: " disposable use sterile blood inner catheter tube auxiliary part 1: guide instrument ", standard number is: YY 0450.1-2003), the length of seal wire 3 is 200mm, the diameter of seal wire 3 is less than the needle tubing internal diameter of puncture needle 1, is 0.36mm.The surface of seal wire 3 is provided with scale mark.Aseptic dressing 4 is medical application.
The scale mark of described seal wire 3, for 50mm from the front end of seal wire 3 is equipped with a point every 10mm later, is equipped with two point every 50mm.
See Fig. 6, while using the puncture instrument of the present embodiment to carry out lumbar puncture, sufferer is lain on one's side, and hip in the wrong is gone down on one's knees, and executes the position that patient punctures to needs and carries out partly sterilised, covers hole towel, exposes operating area.Use the piercing method of this puncture instrument to comprise the following steps: 1. puncture nook closing member 2 to be placed in to the interior formation one of puncture needle 1, sufferer is punctured; 2. after puncture puts in place, extract puncture nook closing member 2, carry out drain.3. after drain finishes, the front end of seal wire 3 is sent in human body along the needle tubing end of puncture needle 1, until the front end of seal wire 3 is passed to the needle tubing front end 20-30mm of puncture needle (1); 4. keep seal wire 3 motionless, extract puncture needle 1, by exposing 3 bendings of external seal wire, use medical application 4 that seal wire 3 is covered and be fixed on body surface;
while again puncturing, the seal wire 3 that puncture needle 1 is kept somewhere along last time puncture is from the puncture channel of last time (being the passage that puncture needle 1 forms while puncturing last time), pass the holes staying while puncturing last time and enter cavitas subarachnoidealis spinalis on spinal dura mater, extract seal wire 3, carry out drain;
be cycled to repeat step 3. extremely
, until without carrying out puncture drainage.
Described step 3. in for making the fixing more safe and reliable of seal wire 3, can use a little medical application 4 fixedly after seal wire 3, then at a large medical application 4 of its outside covering.
(embodiment 2)
See Fig. 1 to Fig. 5, the remainder of the puncture instrument of the present embodiment is identical with embodiment 1, and difference is: puncture needle 1 is No. 7 conventional clinically lumbar puncture needle (needle tubing external diameter is 0.7mm, is mainly used in high cranium and presses sufferer or child's sufferer).This puncture instrument is also included in described puncture needle 1 and is pulled out the pad 5 between outer body and body surface that exposes of being located at described seal wire 3 after human body.Pad 5 is medical cotton pad, and pad 5 is provided with gap 51, and during use, the bottom of exposing outer body of seal wire 3 is clamped and fixed in described gap 51.
See Fig. 6 and Fig. 7, when the puncture instrument of use the present embodiment carries out lumbar puncture, all the other steps are identical with embodiment 1, difference is: step is 4. for keeping seal wire 3 motionless, extract puncture needle 1, first pad 5 is placed in to body surface and the bottom of exposing outer body of seal wire 3 is clamped in the gap 51 of pad 5, then use aseptic dressing 4 that seal wire 3 is exposed to external part and pad 5 covers and be fixed on body surface.Thereby make the bending place of seal wire 3 can be not unsettled, fixing safer, be also more difficult for losing.
Puncture instrument of the present invention is not limited to the various embodiments described above, such as: aseptic dressing 4 can be also medical aseptic gauze and medical proof fabric.Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present invention extended out or change still among protection scope of the present invention.
Claims (4)
1. a puncture instrument, comprise: for to human body puncture and form in vivo the puncture needle (1) of puncture channel, characterized by further comprising: be suitable for along the needle tubing of this puncture needle (1) send in human body and extract the seal wire (3) of keeping somewhere conduct guiding puncture part next time in described puncture channel after this puncture needle (1), for when human body puncture, be arranged in puncture nook closing member (2) in described puncture needle (1) and for after extracting human body at described puncture needle (1) by the part covering the fixing aseptic dressing (4) that expose body surface of seal wire (3); The length of described seal wire (3) is 150mm to 250mm.
2. according to puncture instrument claimed in claim 1, it is characterized in that: the leading section of described seal wire (3) is bending.
3. according to puncture instrument claimed in claim 1, characterized by further comprising: after described puncture needle (1) is pulled out human body, be located at the pad (5) between outer body and body surface that exposes of described seal wire (3), on pad (5), have gap (51); During use, the bottom of exposing outer body of seal wire (3) is clamped and fixed in described gap (51).
4. according to the puncture instrument one of claims 1 to 3 Suo Shu, it is characterized in that: the diameter of described seal wire (3) is 0.2mm to 0.9mm; The surface of seal wire (3) is provided with scale mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410212643.2A CN103948418B (en) | 2012-05-03 | 2012-05-03 | Puncture instrument |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210134280.6A CN102631235B (en) | 2012-05-03 | 2012-05-03 | Puncture instrument and use method thereof |
| CN201410212643.2A CN103948418B (en) | 2012-05-03 | 2012-05-03 | Puncture instrument |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210134280.6A Division CN102631235B (en) | 2012-05-03 | 2012-05-03 | Puncture instrument and use method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103948418A true CN103948418A (en) | 2014-07-30 |
| CN103948418B CN103948418B (en) | 2017-01-18 |
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| CN201410212643.2A Active CN103948418B (en) | 2012-05-03 | 2012-05-03 | Puncture instrument |
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| CN103948418B (en) | 2017-01-18 |
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Effective date of registration: 20201111 Address after: Block b-4-5-5, Tangji area, Jiangping Industrial Park, Dongxing City, Fangchenggang City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Dongxing Fujia hardware and leather goods Co., Ltd Address before: 213000 room 11, No. 901 middle Taihu Road, Xinbei District, Jiangsu, Changzhou Patentee before: Xu Shu |