CN207575212U - A kind of Interaurcular septum puncture needle - Google Patents
A kind of Interaurcular septum puncture needle Download PDFInfo
- Publication number
- CN207575212U CN207575212U CN201721897876.6U CN201721897876U CN207575212U CN 207575212 U CN207575212 U CN 207575212U CN 201721897876 U CN201721897876 U CN 201721897876U CN 207575212 U CN207575212 U CN 207575212U
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- CN
- China
- Prior art keywords
- needle
- puncture
- sheath
- stand
- tubing
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- 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.)
- Withdrawn - After Issue
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Abstract
The utility model is related to a kind of Interaurcular septum puncture needles, including sweeping puncture portion, needle stand, plunger valve and are directed toward piece.Wherein puncture portion includes needle tubing and the needle point set on needle tubing distal end, and plunger valve includes lug.One end of needle stand and the proximal end of needle tubing are conducted, and plunger valve is set on needle stand, are directed toward the junction that piece is fixed on needle tubing and needle stand, and wherein puncture portion is in being directed toward the proximal end of piece in same plane, and the distal end of needle point is located at the inside of puncture portion bending direction.Distal tip portion is interior receipts formula arc fillet, makes puncture portion that can smoothly pass over sheath without causing the damage to sheath under the push of any angle.The sheath at sheath distal openings 1cm is internally provided with needle point obstruction portion simultaneously, and personnel easy to operation, which preferably control, punctures direction and puncture dynamics, improves processing safety.In addition needle stand is made of medical stainless steel material, is easy to disinfect, and puncture portion is unlikely to deform, and has preferable elasticity, convenient for being accurately positioned, uses more convenient, reduces operation difficulty, application easy to spread.
Description
Technical field
The utility model is related to interventional cardiac procedures the field of medical instrument technology more particularly to a kind of atrial septal punctures
Needle.
Background technology
Cutaneous routes conduit is unable to direct motion and directly reaches atrium sinistrum under normal circumstances.Although can drive in the wrong direction passes through aorta petal
Enter atrium sinistrum, but pretty troublesome on catheter manipulation with mitral two turnings.Puncturing atrial septum can be such that conduit is arrived through atrium dextrum
Atrium sinistrum carries out left heart systems inspection operation and becomes possible to and simplify.Nineteen fifty-nine, Ross and Cope almost report room simultaneously
Every paracentetic clinical practice.Hereafter Brockenbrough and Mullins etc. to puncture needle and sheath and is worn on this basis
Thorn technology is improved.The atrial septal puncture art in one's early years is mainly used for bicuspid valve or the left heart of patient's progress of aortic stenosis is led
Pipe inspection.Nearly 20 years, with the development of cardiovascular disease interventional treatment, particularly percutaneous mitral valvuloplasty and radio-frequency ablation procedure,
Especially Atrial fibrillation radiofrequency ablation is booming, this technology of atrial septal puncture art starts increasingly to be weighed by electro physiology doctor
Depending on.The technology has become one of technology that electro physiology doctor must grasp.
However, existing Interaurcular septum puncture needle is not easy to determine point of puncture, puncture direction and puncture dynamics when in use, and
Needle point end is pointed design, puncture portion is easily made to cause to damage to sheath when passing through sheath, in this way for operator
Proficiency it is more demanding, use is more inconvenient, the problems demand solve.
Invention content：
The product to sheath internal injury will not be caused to provide puncture portion when passing through sheath, and is reduced due to operation
Person, which cannot skillfully hold, to be punctured direction and puncture dynamics and causes the increased risk of operation difficulty, and the technology of the utility model solves
Scheme is as follows：A kind of Interaurcular septum puncture needle is provided, including sweeping puncture portion, needle stand, plunger valve and is directed toward piece.Wherein
Puncture portion includes needle tubing and the needle point set on needle tubing distal end, and plunger valve includes lug.One end of needle stand and the proximal end phase of needle tubing
Conducting, plunger valve are set on needle stand, are directed toward the junction that piece is fixed on needle tubing and needle stand, wherein proximal end of the puncture portion with being directed toward piece
In same plane, the distal end of needle point is located at the inside of puncture portion bending direction.Distal tip portion is interior receipts formula arc fillet,
Make puncture portion that can smoothly pass over sheath without causing the damage to sheath under the push of any angle.Simultaneously apart from sheath
Sheath at distal openings 1cm is internally provided with needle point obstruction portion, and personnel easy to operation, which preferably control, punctures direction and puncture force
Degree, improves processing safety.In addition needle stand is made of medical stainless steel material, is easy to disinfect, and puncture portion is not variable
Shape has preferable elasticity, convenient for being accurately positioned, uses more convenient, reduces operation difficulty, application easy to spread.
The utility model is made of sweeping puncture portion, needle stand, plunger valve and direction piece, and wherein puncture portion includes
Needle tubing and the needle point set on needle tubing distal end, plunger valve include lug.Distal tip portion is interior receipts formula arc fillet, apart from sheath
Sheath at distal openings 1cm is internally provided with needle point obstruction portion.
Needle stand, one end of the needle stand and the proximal end of the needle tubing are conducted.
Plunger valve, the plunger valve are set on the needle stand, and the plunger valve includes lug.
It is directed toward piece, the junction be directed toward piece and be fixed on the needle tubing and the needle stand.
Wherein, the puncture portion is in the proximal end for being directed toward piece in same plane, and the distal end of the needle point is located at institute
State the inside of puncture portion bending direction.
The distal tip portion is interior receipts formula arc fillet.
Sheath at the sheath distal end 1cm is internally provided with needle point obstruction portion.
Preferably, the distal end of the needle point is mutually hung down with the straight line that the proximal end for being directed toward piece is linked to be and the direction piece
Directly.
Preferably, the puncture portion, needle stand, plunger valve, direction piece are made of medical stainless steel material.
Preferably, the needle tubing is connect with needle point by the way of welding.
Preferably, interior sheath is cased with outside the needle tubing, outer sheath is cased on the outside of the interior sheath.
Preferably, the side of the outer sheath is connected with a hose, and the end of the hose is equipped with three-way connection.
Preferably, the outer diameter of the needle tubing is uniform, and the outer diameter of the needle tubing is more than the outer diameter of the needle point.
The utility model distal tip portion is interior receipts formula arc fillet, makes puncture portion can be smooth under the push of any angle
By sheath without causing the damage to sheath.The sheath at sheath distal openings 1cm is internally provided with needle point simultaneously
Obstruction portion, personnel easy to operation, which preferably control, punctures direction and puncture dynamics, improves processing safety.In addition needle stand is doctor
It is made of stainless steel material, is easy to disinfect, and puncture portion is unlikely to deform, there is preferable elasticity, convenient for being accurately positioned, make
It uses more convenient, reduces operation difficulty, application easy to spread.
Description of the drawings
Fig. 1 is the utility model product overall structure diagram.
Fig. 2 is the utility model product overlooking the structure diagram.
Fig. 3 is obstruction portion sectional view in the utility model product sheath.
Fig. 4 passes through sheath internal state schematic diagram for the utility model product.
Fig. 5 is the utility model product needle point structure schematic diagram.
Fig. 6 is the utility model product distal tip portion structure diagram.
Fig. 7 passes through sheath internal state schematic diagram for the utility model product needle point.
Fig. 8 passes through sheath internal state schematic diagram for the utility model product distal tip portion.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
The utility model as shown in Figure 1 is a kind of Interaurcular septum puncture needle, including sweeping puncture portion（1）, needle stand
（2）, plunger valve（3）And it is directed toward piece（4）.Wherein puncture portion（1）Including needle tubing（11）With set on needle tubing（11）The needle point of distal end
（12）, plunger valve（3）Include lug（31）.Needle stand（2）One end and needle tubing（11）Proximal end be conducted, plunger valve（3）If
In needle stand（2）On, it is directed toward piece（4）It is fixed on needle tubing（11）With needle stand（2）Junction, wherein puncture portion（1）With being directed toward piece（4）
Proximal end be in same plane, needle point（12）Distal end be located at puncture portion（1）The inside of bending direction.Distal tip portion
（121）For interior receipts formula arc fillet, apart from sheath（5）Sheath at distal openings 1cm（5）It is internally provided with needle point obstruction portion（6）.
The utility model feature is product distal tip portion（121）For interior receipts formula arc fillet, make puncture portion（1）It is in office
Sheath can be smoothly passed under what angle push（5）Without causing to sheath（5）Damage.Simultaneously apart from sheath（5）Far
Sheath at end opening 1cm（5）It is internally provided with needle point obstruction portion（6）, personnel easy to operation, which preferably control, to be punctured direction and wears
Thorn dynamics, improves processing safety.
Needle point described in the utility model（12）Distal end and the direction piece（4）The straight line that is linked to be of proximal end and the finger
To piece（4）It is perpendicular.Move lug（31）Plunger valve can be controlled（3）Be turned on and off, use more convenient.
The utility model is directed toward piece by observation（4）Rotation amplitude, be directed toward piece（4）Proximal end position, operating personnel
It can substantially judge needle point（12）Distal end rotational angle and spatial position, and then assist operators determine point of puncture
With puncture direction, use more convenient.
The material of the utility model is defined, the puncture portion（1）, needle stand（2）, plunger valve（3）, be directed toward piece（4）It adopts
It is made of medical stainless steel material.By using medical stainless steel material, it is easy to disinfect, and puncture portion is unlikely to deform, has
There is preferable elasticity, convenient for being accurately positioned.
Needle tubing described in the utility model（11）Outer diameter it is uniform, and the needle tubing（11）Outer diameter be more than the needle point（12）
Outer diameter.
Interaurcular septum puncture needle is pre-bent to arc by the utility model Interaurcular septum puncture needle according to the Anatomy Properties of heart
The curved shape of shape, the bending of curved shape are designed according to the shape of the anatomical structure of human heart.
The utility model stability is good, and reliability is high, easy for operation, novel in design, highly practical, easy to spread to answer
With.The utility model is convenient for localised puncture point, reduces operating difficulty, thereby reduces the generation of complication, and economic value is high.
The foregoing is merely the more typical example of the utility model, it is not used in that limit this example novel, it is all in the utility model
On the basis of improve and extension example be within the protection scope of the utility model.
Claims (11)
1. a kind of Interaurcular septum puncture needle, including sweeping puncture portion（1）, needle stand（2）, plunger valve（3）And it is directed toward piece（4）,
Wherein puncture portion（1）Including needle tubing（11）With set on needle tubing（11）The needle point of distal end（12）, plunger valve（3）Include lug
（31）, needle stand（2）One end and needle tubing（11）Proximal end be conducted, plunger valve（3）Set on needle stand（2）On, it is directed toward piece（4）It is fixed
In needle tubing（11）With needle stand（2）Junction, wherein puncture portion（1）With being directed toward piece（4）Proximal end be in same plane, needle point
（12）Distal end be located at puncture portion（1）The inside of bending direction, it is characterised in that distal tip portion（121）For interior receipts formula curved circular
Angle, apart from sheath（5）Sheath at distal openings 1cm（5）It is internally provided with needle point obstruction portion（6）, other needle stand（2）For stainless steel
Material is made.
2. Interaurcular septum puncture needle according to claim 1, it is characterised in that the needle stand（2）One end and needle tubing（11）'s
Proximal end is conducted.
3. Interaurcular septum puncture needle according to claim 1, it is characterised in that the plunger valve（3）Set on the needle stand（2）
On.
4. Interaurcular septum puncture needle according to claim 1, it is characterised in that the direction piece（4）It is fixed on the needle tubing
（11）With the needle stand（2）Junction.
5. Interaurcular septum puncture needle according to claim 1, it is characterised in that the puncture portion（1）With the direction piece（4）
Proximal end be in same plane.
6. Interaurcular septum puncture needle according to claim 1, it is characterised in that the needle point（12）Distal end be located at described wear
Thorn portion（1）The inside of bending direction.
7. Interaurcular septum puncture needle according to claim 1, it is characterised in that the needle tubing（11）With needle point（12）Using weldering
The mode connect connects.
8. Interaurcular septum puncture needle according to claim 1, it is characterised in that the needle tubing（11）Outer diameter it is uniform and described
Needle tubing（11）Outer diameter be more than the needle point（12）Outer diameter.
9. Interaurcular septum puncture needle according to claim 1, it is characterised in that the distal tip portion（121）For interior receipts formula arc
Shape rounded structure.
10. Interaurcular septum puncture needle according to claim 1, it is characterised in that apart from the sheath（5）At distal openings 1cm
The sheath（5）It is internally provided with the needle point obstruction portion（6）.
11. Interaurcular septum puncture needle according to claim 1, it is characterised in that the puncture portion（1）, needle stand（2）, plunger valve
（3）, be directed toward piece（4）It is made of medical stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897876.6U CN207575212U (en) | 2017-12-29 | 2017-12-29 | A kind of Interaurcular septum puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897876.6U CN207575212U (en) | 2017-12-29 | 2017-12-29 | A kind of Interaurcular septum puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207575212U true CN207575212U (en) | 2018-07-06 |
Family
ID=62740525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721897876.6U Withdrawn - After Issue CN207575212U (en) | 2017-12-29 | 2017-12-29 | A kind of Interaurcular septum puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207575212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448360A (en) * | 2019-08-19 | 2019-11-15 | 中国石油大学(北京) | A kind of multifunctional heart interval tubulose sting device and preparation method thereof and application |
-
2017
- 2017-12-29 CN CN201721897876.6U patent/CN207575212U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110448360A (en) * | 2019-08-19 | 2019-11-15 | 中国石油大学(北京) | A kind of multifunctional heart interval tubulose sting device and preparation method thereof and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200333 Room 202, No. 2, Lane 2888, Qilianshan South Road, Putuo District, Shanghai Patentee after: Shanghai Pushi Medical Equipment Co., Ltd Address before: 201807, A, building 2, block 1355, Chengbei Road, Shanghai, Jiading District, Patentee before: Shanghai Push Medical Device Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20201201 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180706 Effective date of abandoning: 20201201 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |