CN206138181U - Puncture needle - Google Patents
Puncture needle Download PDFInfo
- Publication number
- CN206138181U CN206138181U CN201620902713.1U CN201620902713U CN206138181U CN 206138181 U CN206138181 U CN 206138181U CN 201620902713 U CN201620902713 U CN 201620902713U CN 206138181 U CN206138181 U CN 206138181U
- Authority
- CN
- China
- Prior art keywords
- puncture
- puncture needle
- taper
- cutting blade
- cone
- 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.)
- Active
Links
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to a puncture needle. Puncture needle includes toper piercing part, toper piercing part's awl point is blunt nosed, toper piercing part's lateral part be provided with to the cutting blade of toper piercing part's awl point extension. This puncture needle relies on cutting blade to puncture in the use, and toper piercing part's awl point be blunt nosed, can not stab tissues and organs, and it also can not the fish tail parietal peritoneum to rock just that puncture needle is blunt nosed to it uses more safe mesh to reach puncture needle.
Description
Technical field
This utility model belongs to medical instruments field, in particular it relates to a kind of puncture needle.
Background technology
Peritoneal cavity is the ingredient of serous cavity in human body, and it is by the potential lacuna between parietal peritoneum and visceral peritoneum
Constitute.Peritoneocentesises are a Clinics for being directly pierced into peritoneal cavity by perforator from parietal peritoneum, on the one hand, doctor
Intraperitoneal liquid can be extracted by perforator, then by chemical examination being detected so as to learn patient's state of an illness；On the other hand, lead to
Perforator extraction ascites in patient body is crossed, the Intraabdominal pressure of patient can be mitigated, alleviated abdominal distention, uncomfortable in chest, dyspnea etc.
Symptom.With the development and popularization of peritoneocentesises so that the demand of perforator is also more and more.
The puncturing structure that perforator is used at present is puncture needle, when carrying out peritoneocentesises to patient, first carries out early stage accurate
Standby work, then finding point of puncture accurately carries out vertical puncturing, in piercing process, advances slowly puncture needle, treats that the opposing sense of pin cutting edge of a knife or a sword is prominent
When so disappearing, represent that needle point comes into, then carry out the extraction of follow-up peritoneal dropsy.
There is problems with use in existing perforator：On the one hand, the needle point of puncture needle is very sharp keen, is entering
During entering peritoneal cavity, its internal blood vessel or internal organs are easily stabbed；On the other hand, in operation process, the rolling of puncture needle
It is dynamic that sharp keen syringe needle can be caused to scratch parietal peritoneum.
Utility model content
The purpose of this utility model is to provide a kind of puncture needle, sharp in use to solve existing puncture needle
Needle point may stab the problem for rocking the syringe needle scuffing mucosa that can cause sharp keen of blood vessel or puncture needle inside patient body.
A kind of puncture needle, including taper puncture portion, the taper puncture portion are provided in embodiment of the present utility model
Cone for blunt nosed；The sidepiece in the taper puncture portion arranges the cutting blade that the cone in the oriented taper puncture portion extends.
Preferably, the quantity of the cutting blade is multiple.
Preferably, the plurality of cutting blade is circumferentially spaced and is evenly provided on the sidepiece in the taper puncture portion.
Preferably, the cone in the taper puncture portion is tack or ballhead.
Preferably, formed by blade place straight line and puncture needle centrage of the cutting blade near the cone in puncture portion
Angle is acute angle.
Preferably, the side of the cone in the close described taper puncture portion of the cutting blade is wedge shape.
Preferably, the taper puncture portion is cone.
Preferably, the taper puncture portion is pyramid.
Preferably, cutting blade is arranged on the rib of the pyramid.
Preferably, the taper puncture portion is for transparent, and which is internally provided with image collecting device.
The puncture needle that this utility model is provided, including taper puncture portion, for puncturing in human body, the taper is punctured
The cone in portion is blunt nosed, and to ensure to stab or scratch inside of human body histoorgan, the sidepiece in the taper puncture portion sets
Cutting blade is equipped with, and the blade of cutting blade extends to the cone in the taper puncture portion, for cutting skin and internal group
Knit mucosa.The puncture needle in use, is punctured by cutting blade, the cone in taper puncture portion be it is blunt nosed, will not
Stab histoorgan, and rock that puncture needle is blunt nosed will not also to scratch tissue adherence, so as to reach puncture needle use it is safer
Purpose.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The schematic diagram in the taper puncture portion of the puncture needle that Fig. 1 is provided for this utility model.
Wherein, reference：
1：Taper puncture portion；2：Cone；3：Cutting blade.
Specific embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below will be to technology of the present utility model
Scheme carries out clear, complete description.Obviously, described embodiment is only a part of embodiment of this utility model, rather than
Whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work
On the premise of obtained by all other embodiment, belong to the scope protected by this utility model.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, the art can be understood with concrete condition
Concrete meaning of the language in this utility model.
This utility model provides a kind of puncture needle, and provides embodiments thereof.In said embodiment, such as Fig. 1 institutes
Show, including taper puncture portion 1, for puncturing in human body, the cone 2 in the taper puncture portion 1 is blunt nosed, so that ensure will not
Inside of human body histoorgan is stabbed or scratches, the sidepiece in the taper puncture portion 1 is provided with cutting blade 3, and cutting blade 3
Blade extend to the cone 2 in the taper puncture portion 1, for cutting skin and in-vivo tissue mucosa.The puncture needle is being used
During, first skin is scratched with cutting blade 3, puncture needle is inserted perpendicularly into into human body then, punctured by cutting blade 3,
The cone 2 in taper puncture portion 1 will not stab histoorgan for blunt nosed, and rock that puncture needle is blunt nosed will not also to scratch tissue adherence,
Safer purpose is used so as to reach puncture needle.
The quantity of the cutting blade 3 is multiple.Cutting blade 3 is arranged on the sidepiece in taper puncture portion 1, is being punctured
During, skin is scratched with blade, be then inserted perpendicularly into puncture needle, when puncture needle comes into into the human body, in human body
Parietal peritoneum touch first be taper puncture needle cone 2.Because the cone 2 of the taper puncture needle is blunt nosed, no
Meeting pierce through human body parietal peritoneum, but because the parietal peritoneum of human body is soft, parietal peritoneum can be in taper puncture needle
Lower pressure produces deformation.It is and at this moment multiple cutting blades 3 touch parietal peritoneum, and in the presence of persistently pushing, multiple to cut
Parietal peritoneum is scratched by cutting blade 3, and so as to the process for completing to puncture, arranging multiple cutting blades 3 can make the process of puncture more
For smooth, puncture needle will not be produced and enter difficult situation.
What the plurality of cutting blade 3 was circumferentially spaced is arranged on the survey portion in taper puncture portion 1, and blades aligned is equal
It is even.So that the quantity of cutting blade 3 is two as an example, two cutting blades 3 are oppositely arranged on the sidepiece in taper puncture portion 1, are entering
In row piercing process, skin is scratched into an openning with one of cutting blade 3, puncture needle is entered in human body, so
After be inserted perpendicularly into puncture needle because the parietal peritoneum of human body is soft, parietal peritoneum can pushing in taper puncture needle
Lower generation deformation.And the cutting blade 3 being at this moment oppositely arranged touches parietal peritoneum, and in the presence of persistently pushing, cut
Parietal peritoneum, so as to reach the purpose of puncture.
Preferably, so that the quantity from cutting blade 3 is three as an example, three cutting blades 3 are in 120 °, are being worn
During thorn, skin is scratched into an openning with one of cutting blade 3, puncture needle is entered in human body, then hang down
Straight cutting enters puncture needle, because the parietal peritoneum of human body is soft, parietal peritoneum can be produced in the lower pressure of taper puncture needle
Raw deformation.And at this moment three cutting blades 3 touch parietal peritoneum simultaneously, and in the presence of persistently pushing, parietal layer abdomen is cut
Film, so as to reach the purpose of puncture, compared with the quantity of cutting blade 3 is two, being provided with three cutting blades 3 can make to wear
The process of thorn is more easy.
Need explanatorily, the quantity of the piercing blade is not limited to described above for two or three, can also be
It is more.With the increase of 3 quantity of cutting blade, the dynamics required in puncture needle insertion human body will be reduced, when piercing process
Suffered resistance sense greatly reduces.But, relatively, the increase of 3 quantity of cutting blade, the injury to human body are also increased,
Simultaneously the technical requirements of doctor are also increased, the quantity of cutting blade 3 is set to into three or four preferably, this
Sample, resistance sense that can be suffered by relatively reduced piercing process are unlikely to cause human body other damages again.
The cone 2 in the taper puncture portion 1 is tack, and cone 2 is the puncture needle of tack, and in use, cone 2 is simultaneously
Do not recur the effect of puncture, and simply serves the effect of locking puncture position.With tack contact position as point of puncture, firmly
Be pressed downward puncture needle, the cone 2 of tack will not pierce through parietal peritoneum, but make which to lower recess, then parietal peritoneum will with set
Put the cutting blade 3 in 1 sidepiece in taper puncture portion to contact, the whole process for puncturing is completed by cutting blade 3 completely.So
The cone 2 for allowing for tack will not stab its hetero-organization or organ when into human body, also will not because of somewhat rock draw
Hinder parietal peritoneum, so as to not only substantially reducing the use degree of difficulty of puncture needle, also increase puncture needle in use
Safety coefficient.
Preferably, the cone 2 in the taper puncture portion 1 is ballhead, and cone 2 is the puncture needle of ballhead, is being used
Cheng Zhong, cone 2 do not recur the effect of puncture, and simply serve the effect of locking puncture position.Position is contacted with ballhead
Be set to point of puncture, be firmly pressed downward puncture needle, the cone 2 of ballhead will not pierce through parietal peritoneum, but make which to lower recess, then
Parietal peritoneum will be contacted with the cutting blade 3 for being arranged on 1 sidepiece in taper puncture portion, the whole process for puncturing, completely by cutting
Cutting blade 3 is completed.The cone 2 for so allowing for ballhead will not stab its hetero-organization or organ when into human body, also not
Can because somewhat rock scuffing parietal peritoneum, so as to not only substantially reduce the use degree of difficulty of puncture needle, also increase and wear
Pricker safety coefficient in use；Compared with the cone 2 of tack, the surface of the cone 2 of ballhead is curved surface, with body
Internal histoorgan or parietal peritoneum contact are more comfortable.
Formed by blade place straight line and puncture needle centrage of the cutting blade 3 near cone 2 in taper puncture portion 1
Angle is acute angle.In piercing process, after puncture needle is entered into the human body, the cutter of 1 sidepiece of taper puncture portion are relied primarily on
Piece 3 is punctured, by cutting blade 3 near the cone 2 in taper puncture portion 1 blade place straight line and puncture needle centrage institute into
Angle arrange at an acute angle, the resistance suffered by cutting blade 3 in piercing process can be reduced, be more prone to piercing process,
Substantially reduce the use difficulty of puncture needle.
The side of the cone 2 in the close described taper puncture portion 1 of the cutting blade 3 is wedge shape.Cut for wedge shape front end
Cutting blade 3 can make which gradually scratch parietal peritoneum, rather than disposably scratch, that is to say, that near cutting for taper puncture portion 1
Cutting blade 3 progressively scratch the parietal peritoneum being in contact with it, then entrance slowly, enters and cuts, thus reduce
Resistance suffered by 3 front end of cutting blade.
Specifically, the cutting blade 3 is shaped as fillet trapezoid, and in piercing process, puncture needle is entered into the human body
Afterwards, the cutting blade 3 for relying primarily on 1 sidepiece of taper puncture portion is punctured, and at this moment cutting blade 3 is near taper puncture portion 1
The blade place straight line of cone 2 and angle formed by puncture needle centrage are acute angle, and fairshaped design can reduce and puncture through
Resistance in journey suffered by cutting blade 3, is more prone to piercing process, substantially reduces the use difficulty of puncture needle.Meanwhile,
It is obtuse angle with the blade farther out of taper puncture portion 1 and puncture needle centrage angle, so that, then the mistake for extracting puncture needle
Cheng Zhong, more smoothly.
Preferably, the taper puncture portion 1 can be conical, and the surface of cone is smooth, during insertion inside of human body, with
Tissue or organ contact will not produce sense of discomfort, and the structure of cone is exactly the structure gradually increased along axle fineness degree, this
Kind structure can equally reduce the resistance suffered by 1 surface of taper puncture portion, so that the insertion of puncture needle is more smooth.
The taper puncture portion 1 can be pyramid, and the structure of taper is exactly the structure gradually increased along axle fineness degree,
That is 2 position of cone is thin and then gradually overstriking, this structure can equally reduce the resistance suffered by 1 surface of taper puncture portion
Power, so that the insertion of puncture needle is more smooth.
Preferably, cutting blade 3 can be arranged on the rib of pyramid, arrange cutting blade 3, can make cutter on rib
Piece 3 is more projected relative to 1 sidepiece of taper puncture portion.Need to scratch skin using cutting blade 3 when operation starts, because skin
Skin has certain thickness, so appropriate increases cutting blade 3 from a distance from puncture center of pin so as to more project, side
Just doctor scratches skin.
The taper puncture portion 1 is transparent, can be made using PVC material, be internally provided with image in taper puncture portion 1
Harvester, can accomplish to observe puncture situation of the puncture needle in human body at any time, while the feelings of abdominal cavity can also be observed
Condition.
Puncture needle also includes side pole, and taper Puncture needle sleeve is connected in side pole, and side pole plays a part of support, side pole it is another
One end is provided with handgrip, and user firmly can complete piercing process to which by holding the grip part of puncture needle.
In sum, the puncture needle that this utility model is provided includes taper puncture portion 1, for puncturing in human body, institute
The cone 2 for stating taper puncture portion 1 is blunt nosed, to ensure to stab or scratch inside of human body histoorgan.The taper is worn
The sidepiece in thorn portion 1 is provided with multiple cutting blades 3, and the blade of cutting blade 3 extends to the cone 2 in the taper puncture portion 1,
For cutting skin and completing the puncture action of body interior.The puncture needle in use, is first scratched with cutting blade 3
Then puncture needle is inserted perpendicularly into human body by skin, is punctured by multiple cutting blades 3.Taper puncture portion 1 for transparent and
Which is internally provided with image collecting device, can monitor piercing process at any time.The cone 2 in taper puncture portion 1 is blunt nosed, Bu Huizha
Injured tissue organ, and rock that puncture needle is blunt nosed will not also to scratch parietal peritoneum, safer mesh is used so as to reach puncture needle
's.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of puncture needle, including taper puncture portion, it is characterised in that the cone in the taper puncture portion is blunt nosed；The cone
The sidepiece in shape puncture portion arranges the cutting blade that the cone in the oriented taper puncture portion extends.
2. puncture needle according to claim 1, it is characterised in that the quantity of the cutting blade is multiple.
3. puncture needle according to claim 2, it is characterised in that the plurality of cutting blade is circumferentially spaced and equably
It is arranged on the sidepiece in the taper puncture portion.
4. puncture needle according to claim 1, it is characterised in that the cone in the taper puncture portion is tack or spherical
Head.
5. puncture needle according to claim 1, it is characterised in that blade of the cutting blade near the cone in puncture portion
Place straight line and angle formed by puncture needle centrage are acute angle.
6. puncture needle according to claim 1, it is characterised in that the close described taper puncture portion of the cutting blade
The side of cone is wedge shape.
7. puncture needle according to claim 1, it is characterised in that the taper puncture portion is cone.
8. puncture needle according to claim 1, it is characterised in that the taper puncture portion is pyramid.
9. puncture needle according to claim 8, it is characterised in that cutting blade is arranged on the rib of the pyramid.
10. puncture needle according to claim 1, it is characterised in that the taper puncture portion is transparent, and which internal arranges
There is image collecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620902713.1U CN206138181U (en) | 2016-08-18 | 2016-08-18 | Puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620902713.1U CN206138181U (en) | 2016-08-18 | 2016-08-18 | Puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206138181U true CN206138181U (en) | 2017-05-03 |
Family
ID=58627756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620902713.1U Active CN206138181U (en) | 2016-08-18 | 2016-08-18 | Puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206138181U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109009347A (en) * | 2018-07-31 | 2018-12-18 | 德清朗特医疗科技有限公司 | Puncture needle and puncture outfit |
| CN109448522A (en) * | 2018-10-08 | 2019-03-08 | 广州迈普再生医学科技股份有限公司 | Lateral cerebral ventricle puncture training system and preparation method thereof |
| CN110384547A (en) * | 2018-04-19 | 2019-10-29 | 微氪医疗器械南通有限公司 | A kind of novel simple puncture outfit |
| CN110384546A (en) * | 2018-04-18 | 2019-10-29 | 微氪医疗器械南通有限公司 | Piercing needle and visual puncturing needle with sword side |
-
2016
- 2016-08-18 CN CN201620902713.1U patent/CN206138181U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384546A (en) * | 2018-04-18 | 2019-10-29 | 微氪医疗器械南通有限公司 | Piercing needle and visual puncturing needle with sword side |
| CN110384547A (en) * | 2018-04-19 | 2019-10-29 | 微氪医疗器械南通有限公司 | A kind of novel simple puncture outfit |
| CN109009347A (en) * | 2018-07-31 | 2018-12-18 | 德清朗特医疗科技有限公司 | Puncture needle and puncture outfit |
| CN109009347B (en) * | 2018-07-31 | 2024-04-05 | 德清朗特医疗科技有限公司 | Puncture needle and puncture device |
| CN109448522A (en) * | 2018-10-08 | 2019-03-08 | 广州迈普再生医学科技股份有限公司 | Lateral cerebral ventricle puncture training system and preparation method thereof |
| CN109448522B (en) * | 2018-10-08 | 2021-08-31 | 广州迈普再生医学科技股份有限公司 | Lateral ventricle puncture training system and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206138181U (en) | Puncture needle | |
| CN103735277B (en) | Heart puncture blood collecting device for mice of medical research experiments | |
| CN103976778A (en) | Full-automatic venipuncture mechanical arm and application method thereof | |
| CN205885465U (en) | Bone tissue aspiration biopsy needle | |
| CN104958099B (en) | 3D printing foramen intervertebrale lens targeting puncture percutaneous surgical guide and its piercing method | |
| CN106539614A (en) | Tumor puncture positioning needle | |
| CN104127222A (en) | Minimally invasive scalpel for surgery | |
| CN208426186U (en) | Ultrasonic probe laser assisted position indicator | |
| CN208355495U (en) | A kind of testis biopsy device | |
| CN205569035U (en) | Epidural anesthesia puncture needle | |
| CN209032563U (en) | A kind of nerve block needle | |
| CN203153833U (en) | Retractor for endoscopic thyroidectomy | |
| CN210472185U (en) | Protective directional cutting small needle knife set | |
| CN207444972U (en) | A kind of ultrasound sampling probe | |
| CN208524992U (en) | A kind of minimally invasive thoracic surgery special puncture outfit | |
| CN208974598U (en) | Five-element needle suit | |
| CN212118256U (en) | Double-edge lancet | |
| CN207693649U (en) | It is a kind of can forcing for small pulmonary artery positioning paracentesis trocar | |
| CN205569317U (en) | Needle subassembly of sunkening cord | |
| CN206499512U (en) | A kind of guiding fixator for CT navigation puncture biopsies | |
| CN105326510B (en) | Vein blood taking needle under laparoscope | |
| CN204890128U (en) | 3D prints intervertebral foramen mirror target puncture percutaneous operation baffle | |
| CN214969032U (en) | Traditional chinese medical science acupuncture is pricked flat appurtenance | |
| CN209154029U (en) | A kind of breast benign lesion gripping fixator | |
| CN205083580U (en) | Neural retardant pjncture needle of duplex pipe telescopiform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |