CN209332217U - A kind of assembled puncture needle being exclusively used in brain tissue puncture - Google Patents
A kind of assembled puncture needle being exclusively used in brain tissue puncture Download PDFInfo
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- CN209332217U CN209332217U CN201821935796.XU CN201821935796U CN209332217U CN 209332217 U CN209332217 U CN 209332217U CN 201821935796 U CN201821935796 U CN 201821935796U CN 209332217 U CN209332217 U CN 209332217U
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- puncture needle
- puncture
- needle
- brain tissue
- exclusively used
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Abstract
The utility model relates to a kind of assembled puncture needles for being exclusively used in brain tissue puncture, belong to the field of medical instrument technology, the assembled puncture needle for being exclusively used in brain tissue puncture includes hollow outer tube and first puncture needle and second puncture needle, first puncture needle front end is round blunt needle core, second puncture needle front end is sharp scalp acupuncture core, the extended front end in outer tube in the front end of first puncture needle and second puncture needle, using the structure, outer tube is plugged on brain and leads to lesion with biopsy needle guide, first puncture needle and second puncture needle select an intercalation in outer tube, first brain tissue puncture until endocranium layer with first puncture needle, it changes again and gains first puncture needle after second puncture needle pierces through endocranium with its sharp scalp acupuncture core and continue to puncture, the round blunt needle core not easy damaged cerebrovascular, sharp scalp acupuncture core is conducive to penetrate brain dura mater, by quick The puncture needle for replacing different needle cores punctures different all brain structures, easy to operate high-efficient, improves operation safety.
Description
Technical field
The utility model belongs to the field of medical instrument technology, in particular to a kind of combination for being exclusively used in brain tissue puncture punctures
Needle.
Background technique
The treatments such as diagnosis, suction, administration of the brain tissue centesis for lesion in brain section.But endocranium is connective tissue ratio
It is more tough and tensile, need sharp property to puncture, passivity puncture easily causes endocranium avulsion to lead to epidural hematoma.Since brain tissue is human body blood
For one of the most abundant organ, if sharp property punctures brain tissue, the easy damaged cerebrovascular causes brain parenchym internal haemorrhage, causes neural function
It can damage.
In order to puncture endocranium, existing common puncture needle needle core be unable to quick-replaceable or be entirely sharp scalp acupuncture core just
In puncturing endocranium, but being easy to puncture the cerebrovascular in the process causes cerebral hemorrhage, causes danger to patient.It is round blunt entirely
Scalp acupuncture core can effectively avoid and stab the cerebrovascular, but to dural puncture poor effect, and integral replacing puncture needle is not yet in art
Conducive to the healing of minimally invasive mouth.
Then, the assembled puncture needle for being exclusively used in brain tissue puncture of a kind of replaceable tip needle core or blunt nosed needle core urgently goes out
It is existing.
Utility model content
The utility model provides a kind of assembled puncture needle for being exclusively used in brain tissue puncture, in the prior art general to solve
The technical issues of different needle cores are to adapt to different brain tissues cannot be replaced in logical puncture needle operation.
The utility model is achieved through the following technical solutions: a kind of assembled puncture needle being exclusively used in brain tissue puncture, including
Hollow outer tube and select first puncture needle and second puncture needle of the intercalation in the outer tube, the first puncture needle
Front end is round blunt needle core, and the second puncture needle front end is sharp scalp acupuncture core, and the first puncture needle and described second puncture
The front end of the outer tube is stretched out in the front end of needle.
Further, in order to preferably realize the utility model, further include fixing seat and fixing head, set in the fixing seat
Have a through-hole, the rear end of the outer tube is interference fitted in the through-hole and be connected to the through-hole, the first puncture needle with
The rear end of the second puncture needle has been fixedly attached the fixing head, and the fixing head is removably mounted at the fixing seat
On.
Further, in order to preferably realize the utility model, the through-hole includes first step hole and second step hole,
The first step hole and second step hole coaxial arrangement, the rear end of the outer tube is interference fitted in the second step
In hole.
Further, in order to which the utility model is better achieved, the fixing head includes integrally formed connector and hand
Head is held, the connector, which is detachably fixed, to be mounted in the first step hole, and the handheld head outer wall is equipped with first annular
Slot.
Further, in order to which the utility model is better achieved, first step hole inner wall is equipped with internal screw thread, described
Connector outer wall is equipped with the external screw thread being adapted to the internal screw thread, and the fixing head is bolted in the fixing seat.
Further, in order to which the utility model is better achieved, the fixing seat outer wall is equipped with the second annular groove.
Further, in order to the utility model, the first puncture needle and the second puncture needle length is better achieved
Identical, the housing length of tube is less than the first puncture needle length.
Further, in order to the utility model, the length of the first puncture needle and the second puncture needle is better achieved
Degree is 190mm, and the length of the outer tube is 189mm.
Further, in order to which the utility model is better achieved, anti-skid chequer is additionally provided on the handheld head outer wall.
Further, in order to which the utility model is better achieved, the first puncture needle and the second puncture needle are
Solid needle.
The utility model has the advantages that compared to the prior art
A kind of assembled puncture needle being exclusively used in brain tissue puncture provided by the utility model, including hollow outer tube and
First puncture needle and second puncture needle, first puncture needle front end are round blunt needle core, and second puncture needle front end is sharp scalp acupuncture core,
The extended front end in outer tube in the front end of first puncture needle and second puncture needle, using the structure, outer tube is plugged on brain
Lesion is led to biopsy needle guide in portion, and first puncture needle and second puncture needle are selected an intercalation in outer tube, first worn using first
Pricker puncture to brain tissue until reaching endocranium layer, then using second puncture needle instead makes its sharp scalp acupuncture core pierce through endocranium
The first puncture needle for gaining round blunt again afterwards continues to puncture, the round blunt of the first puncture needle not easy damaged cerebrovascular, and second punctures
The sharp head of needle is conducive to penetrate brain dura mater, is worn by the puncture needle of quick-replaceable difference needle core to different all brain structures
Thorn, it is easy to operate practical high-efficient, operation safety is improved, so that the practicability of the utility model is stronger.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is signal when being exclusively used in the assembled puncture needle intercalation first puncture needle of brain tissue puncture in the utility model
Figure；
Fig. 2 is the structural schematic diagram of second puncture needle and fixing head in the utility model；
Fig. 3 is the structural schematic diagram of fixing seat in the utility model.
In figure:
1- outer tube；2- first puncture needle；21- round blunt needle core；3- second puncture needle；The sharp scalp acupuncture core of 31-；4- is fixed
Seat；41- first step hole；411- internal screw thread；42- second step hole；The second annular groove of 43-；5- fixing head；51- connector；
511- external screw thread；52- handheld head；The first annular slot of 521-；522- anti-skid chequer.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Embodiment 1:
In the present embodiment, a kind of assembled puncture needle being exclusively used in brain tissue puncture, as shown in Figure 1, including hollow housing
Pipe 1 and first puncture needle 2 and second puncture needle 3, above-mentioned 2 front end of first puncture needle are round blunt needle core 21, and above-mentioned second wears
3 front end of pricker is sharp scalp acupuncture core 31, and the front end of above-mentioned first puncture needle 2 and above-mentioned second puncture needle 3 is extended in above-mentioned
The front end of outer tube 1, using the structure, above-mentioned outer tube 1 is used to be plugged on brain to guide above-mentioned puncture needle to lead to lesion, on
It states first puncture needle 2 and above-mentioned second puncture needle 3 selects an intercalation in above-mentioned outer tube 1, it is first right using above-mentioned first puncture needle 2
Brain tissue carries out after puncturing until reaching endocranium layer, then uses above-mentioned second puncture needle 3 instead and pierced through firmly with its sharp scalp acupuncture core 31
The first puncture needle 2 for gaining round blunt after meninx again continues to puncture, the round blunt of above-mentioned first puncture needle 2 not easy damaged brain blood
Pipe, the sharp head of above-mentioned second puncture needle 3 is conducive to penetrate brain dura mater, by the puncture needle of quick-replaceable difference needle core to different
All brain structures are punctured, easy to operate practical high-efficient, improve operation safety, so that the practicability of the utility model is more
By force.
Embodiment 2:
The present embodiment advanced optimizes on the basis of embodiment 1, in the present embodiment, as shown in Figures 2 and 3, also wraps
Fixing head 5 and fixing seat 4 are included, specifically, above-mentioned fixing seat 4 is equipped with through-hole, the rear end of above-mentioned outer tube 1 is interference fitted in
It states in through-hole and is connected to through-hole, so that above-mentioned first puncture needle 2 or second puncture needle 3 can pass through intercalation after the through-hole
In above-mentioned outer tube 1, and the equal fixing sleeve in the rear end of above-mentioned first puncture needle 2 and second puncture needle 3 is connected to above-mentioned fixing head
5, above-mentioned fixing head 5 is removably mounted in above-mentioned fixing seat 4, facilitates puncture needle to carry out puncture operation, while limiting puncture
The depth that needle can be pierced into makes the needle core of puncture needle just lean out above-mentioned outer tube front end, and when puncture is safer.
It is worth noting that, above-mentioned first puncture needle 2 is identical with the length of above-mentioned second puncture needle 3, and above-mentioned housing
The length of pipe 1 is less than the length of above-mentioned first puncture needle 2, thus when puncture needle intercalation is in above-mentioned outer tube 1 and its rear end
Fixing head 5 when being fixed in fixing seat 4, the front end round blunt needle core 21 of first puncture needle 2 or the front end point of second puncture needle 3
Sharp scalp acupuncture core 31 is just stretched out from above-mentioned 1 front end of outer tube, to puncture to brain tissue or endocranium.On preferably,
The length for stating first puncture needle 2 and second puncture needle 3 is 190mm, and diameter 1mm, the length of above-mentioned outer tube 1 is 189mm, diameter
2mm just exposes front end needle core so that puncture needle front end be made to stretch out 1 front end 1mm of outer tube.
As a kind of more excellent embodiment of the present embodiment, as shown in figure 3, above-mentioned through-hole includes first step hole 41 and
Two stepped holes 42 make the rear end of above-mentioned outer tube 1 specifically, above-mentioned first step hole 41 and second step hole 42 are coaxially disposed
It is interference fitted in above-mentioned second step hole 42 and is connected to above-mentioned first step hole 41, so that puncture needle is sliding in outer tube 1
Dynamic not clamping stagnation, the end face of outer tube 1 are connected on step surface, and it is more firm to be interference fitted.On the other hand, above-mentioned fixing head 5 includes
Integrally formed connector 51 and handheld head 52, above-mentioned connector 51, which is detachably fixed, to be mounted in above-mentioned first step hole 41,
The mode of being detachably fixed can be grafting, or it is spirally connected, above-mentioned 52 outer wall of handheld head is equipped with first annular slot 521, and
And the outer wall of above-mentioned fixing seat 4 is equipped with the second annular groove 43, and it is steady to put forth effort to be affectedly bashful when operator's operation, in order to further prevent
Hand skids when only operator replaces puncture needle in art, and anti-skid chequer 522 is additionally provided on above-mentioned 52 outer wall of handheld head, improves friction
Power.
As a kind of specific embodiment of the present embodiment, above-mentioned 41 inner wall of first step hole is equipped with internal screw thread 411, on
It states 51 outer wall of connector and is equipped with the external screw thread 511 being adapted to above-mentioned internal screw thread 411, so that above-mentioned fixing head 5 is bolted in
It states in fixing seat 4.The mode that is spirally connected is rotated, makes fixed, disassembly is more convenient, facilitates and operated in operation, save the time, reduce
Operation risk.
In the present embodiment, above-mentioned first puncture needle 2 and second puncture needle 3 are the solid needle made of titanium steel material material, tool
Have the advantages that high-intensitive, anti-corrosion property is good, above-mentioned outer sleeve is the structural member made of stainless steel material.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of assembled puncture needle for being exclusively used in brain tissue puncture, it is characterised in that: including hollow outer tube and to select one embedding
The first puncture needle and second puncture needle being inserted in the outer tube, the first puncture needle front end is round blunt needle core, described
Second puncture needle front end is sharp scalp acupuncture core, and the housing is stretched out in the front end of the first puncture needle and the second puncture needle
The front end of pipe.
2. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 1, it is characterised in that: further include solid
Reservation and fixing head, the fixing seat are equipped with through-hole, the rear end of the outer tube be interference fitted in the through-hole and with institute
It states through-hole to be connected to, the rear end of the first puncture needle and the second puncture needle has been fixedly attached the fixing head, described solid
Determine head to be removably mounted in the fixing seat.
3. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 2, it is characterised in that: the through-hole
Including first step hole and second step hole, the first step hole and second step hole coaxial arrangement, the outer tube
Rear end be interference fitted in the second step hole.
4. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 3, it is characterised in that: the fixation
Head includes integrally formed connector and handheld head, and the connector, which is detachably fixed, to be mounted in the first step hole, institute
Handheld head outer wall is stated equipped with first annular slot.
5. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 4, it is characterised in that: the fixation
Seat outer wall is equipped with the second annular groove.
6. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 5, it is characterised in that: described first
Stepped hole inner wall is equipped with internal screw thread, and the connector outer wall is equipped with the external screw thread being adapted to the internal screw thread, the fixation
Head is bolted in the fixing seat.
7. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 1 to 6, feature exist
In: the first puncture needle is identical with the second puncture needle length, and it is long that the housing length of tube is less than the first puncture needle
Degree.
8. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 7, it is characterised in that: described first
The length of puncture needle and the second puncture needle is 190mm, and the length of the outer tube is 189mm.
9. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 4, it is characterised in that: described hand-held
Anti-skid chequer is additionally provided on head outer wall.
10. a kind of assembled puncture needle for being exclusively used in brain tissue puncture according to claim 1, it is characterised in that: described the
One puncture needle and the second puncture needle are solid needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821935796.XU CN209332217U (en) | 2018-11-22 | 2018-11-22 | A kind of assembled puncture needle being exclusively used in brain tissue puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821935796.XU CN209332217U (en) | 2018-11-22 | 2018-11-22 | A kind of assembled puncture needle being exclusively used in brain tissue puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209332217U true CN209332217U (en) | 2019-09-03 |
Family
ID=67747828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821935796.XU Active CN209332217U (en) | 2018-11-22 | 2018-11-22 | A kind of assembled puncture needle being exclusively used in brain tissue puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209332217U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680480A (en) * | 2019-11-04 | 2020-01-14 | 商洛职业技术学院 | Dura mater puncture awl and matched handle thereof |
| CN113100887A (en) * | 2021-04-06 | 2021-07-13 | 首都医科大学宣武医院 | Three-stage puncture cannula assembly for trigeminal semilunar ganglion balloon compression |
-
2018
- 2018-11-22 CN CN201821935796.XU patent/CN209332217U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110680480A (en) * | 2019-11-04 | 2020-01-14 | 商洛职业技术学院 | Dura mater puncture awl and matched handle thereof |
| CN113100887A (en) * | 2021-04-06 | 2021-07-13 | 首都医科大学宣武医院 | Three-stage puncture cannula assembly for trigeminal semilunar ganglion balloon compression |
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