CN204562374U - A kind of positioning guide wire of rhombus and positioning needle - Google Patents
A kind of positioning guide wire of rhombus and positioning needle Download PDFInfo
- Publication number
- CN204562374U CN204562374U CN201520024459.5U CN201520024459U CN204562374U CN 204562374 U CN204562374 U CN 204562374U CN 201520024459 U CN201520024459 U CN 201520024459U CN 204562374 U CN204562374 U CN 204562374U
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- seal wire
- positioning guide
- wire
- rhombus
- guide wire
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Abstract
The utility model discloses a kind of positioning guide wire and positioning needle of rhombus, wherein positioning guide wire comprises the first seal wire and the second seal wire, described second seal wire is repeatedly bent to form the elasticity location division of rhombus, the two ends of the second seal wire be positioned at elasticity location division the same side and adjacent to one another or against, at least one end and described first seal wire of the second seal wire are fixed.The elasticity location division of this utility model positioning guide wire is repeatedly bent to form by the second seal wire, and the two ends of the second seal wire are positioned at the same side of elasticity location division, and elasticity location division does not have spine, can not damage tissue; Second seal wire and the first seal wire are fixed, and by pull first seal wire, elasticity location division retraction puncture needle tubing can be made then to take out, eliminate and take out positioning guide wire by operation.
Description
Technical field
This utility model relates to medical instruments field, is specifically related to a kind of positioning guide wire and positioning needle of rhombus.
Background technology
The raising of Minimally Invasive Surgical Technology in recent years, carries out local lesion's excision by thoracoscope and becomes possibility.The lesser tubercle of pulmonary can move along with during breathing, this just gives during operation and brings greatest inconvenience, in order to find the time of focus and at substantial, the time longer harm to patient of operation is larger, locates liver, small pulmonary artery is particularly important by selecting suitable orientation tool.
During use, first with orientation tool, positioning guide wire is put into affected area before surgery by image department doctor and assistant thereof, thus locate its position and scope; Find focus by surgeon exactly according to the guide of positioning guide wire again, thus accomplish minimal incision *, greatly reduce the resection of normal structure.
As existing a kind of mammary gland tumor positioning needle, comprise stylophore, stylophore is socketed with puncture needle fixer, puncture needle fixer has the tip of inclination, be provided with puncture needle in stylophore, the end of puncture needle has syringe needle, and syringe needle is provided with the agnail that can open ejection along puncture needle radial direction, the quantity of agnail is 3, and 3 agnails are round the even setting of puncture needle; Puncture needle and agnail are that metal material is made; The puncture needle head end of this positioning needle has agnail, can clench lump after release, effectively prevent the displacement of puncture needle, can carry out three-dimensional accurate location to lump.
But when existing positioning guide wire uses, can often occur that location is inaccurate especially in the nodular judgement of lung, liver, mammary gland, overhead kick scratches tissue to use existing positioning guide wire easily to occur, causes hemorrhage, brings misery to patient.And positioning guide wire adopts the design of barb to need positioning guide wire to be taken out by operation.
Utility model content
This utility model, for the problems referred to above, proposes a kind of positioning guide wire and positioning needle of rhombus.Solve prior art location inaccurate, multiple bearing easily occurs that overhead kick scratches tissue, causes hemorrhage, brings painful problem to patient; And adopt the design of barb to need problem positioning guide wire could taken out by operation.
The technical scheme that this utility model is taked is as follows:
A kind of positioning guide wire of rhombus, comprise the first seal wire and the second seal wire, described second seal wire is repeatedly bent to form the elasticity location division of rhombus, the two ends of the second seal wire be positioned at elasticity location division the same side and adjacent to one another or against, at least one end and described first seal wire of the second seal wire are fixed.
Elasticity location division is repeatedly bent to form by the second seal wire, and the two ends of the second seal wire are positioned at the same side of elasticity location division, and elasticity location division does not have spine, can not damage tissue.
During use, first thrust assigned address by the puncture needle tubing of hollow, then by elasticity location division compression pressure, it is made to enter the inwall of puncture needle tubing, then by the power transmission of the first seal wire, elasticity location division is moved, after elasticity location division passes puncture needle tubing, lose the constraint of puncture needle tubing, reset under the effect of its own resilient, thus realize location.Second seal wire and described first seal wire are fixed, and by pull first seal wire, elasticity location division retraction puncture needle tubing can be made then to take out, eliminate and take out positioning guide wire by operation.
First seal wire and the second seal wire can be the entirety that two parts also can be formed in one, when the first seal wire and the second seal wire are two parts, first seal wire and the second seal wire can select corresponding material according to practical situation, can be the same or different, and the first seal wire and the second seal wire can select fixing mode according to practical situation, as spiral connects, welding or buckle connection etc.
As preferably, described first seal wire and the second seal wire are same seal wire.
First seal wire and the second seal wire are same seal wire, mechanism is simple, add and only need carry out bending process just energy molding to seal wire one end man-hour, relative to the design of separate type, first seal wire and the second seal wire are the design of same seal wire, make positioning guide wire working (machining) efficiency high, and can greatly cut down finished cost, increase the reliability of positioning guide wire.
Diameter too small intensity is less, and diameter too conference increases the damage of patient and misery, and as preferably, the diameter of described first seal wire and the second seal wire is 0.2mm ~ 3.5mm.
In order to prevent the first seal wire from bringing secondary injury, as preferably, the outer surface of described first seal wire has lubricating layer.
Elasticity location division does not have lubricating layer, can not move after guaranteeing positioning guide wire location with this.
As preferably, described lubricating layer is medical grade Teflon clear water coating.
As preferably, the material of described first seal wire and the second seal wire is rustless steel or titanium alloy.
Rustless steel can be used on CT or ultrasonic menisectomy, and titanium not only can be used in CT or ultrasonic lower use the most important thing is to use at nuclear magnetic resonance, NMR.
As preferably, described elasticity location division is 5mm ~ 20mm along the length of the first seal wire axis direction.
As preferably, the length of the positioning guide wire of described rhombus is 25mm ~ 150mm.
Disclosed herein as well is a kind of positioning needle, comprising:
The puncture needle tubing of hollow;
Positioning guide wire, for entering human body relevant position through puncture needle tubing;
Described positioning guide wire is the positioning guide wire of any one above-mentioned rhombus.
As preferably, the side away from elasticity location division of the first seal wire of described positioning guide wire has limited block.
Effectively can prevent the first seal wire from all entering in puncture needle tubing by arranging limited block, danger and accident can be prevented.
The beneficial effects of the utility model are: elasticity location division is repeatedly bent to form by the second seal wire, and the two ends of the second seal wire are positioned at the same side of elasticity location division, and elasticity location division does not have spine, can not damage tissue; Second seal wire and the first seal wire are fixed, and by pull first seal wire, elasticity location division retraction puncture needle tubing can be made then to take out, eliminate and take out positioning guide wire by operation.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the positioning guide wire of this utility model rhombus;
Fig. 2 is the state diagram before elasticity location division penetrates puncture needle tubing;
Fig. 3 is the state diagram of elasticity position point in puncture needle tubing;
Fig. 4 is the state diagram after elasticity location division passes puncture needle tubing.
In figure, each Reference numeral is:
1, the first seal wire, the 2, second seal wire, 3, positioning guide wire, 4, puncture needle tubing, 5, butting section.
Detailed description of the invention:
Below in conjunction with each accompanying drawing, this utility model is described in detail.
As shown in Figure 1, a positioning guide wire for rhombus, comprises the elasticity location division that the first seal wire 1 and the second seal wire 2, second seal wire are repeatedly bent to form rhombus, the two ends of the second seal wire be positioned at elasticity location division the same side and adjacent to one another or against, at least one end and first seal wire of the second seal wire are fixed.
In the present embodiment, the first seal wire and the second seal wire are same seal wire, and namely they are integrated, and now one end of the second seal wire is connected with the first seal wire, lean after the other end is repeatedly bent to form the elasticity location division of rhombus with the first seal wire.Second seal wire and the first seal wire against part be butting section 5.Such design organization is simple, and add and only need carry out bending process just energy molding to one end of seal wire man-hour, such Integral design, makes positioning guide wire working (machining) efficiency high, and can greatly cut down finished cost, and increases the reliability of positioning guide wire.
First seal wire and the second seal wire are except being same seal wire, it can also be different seal wires, now the first seal wire and the second seal wire can select identical or different material according to practical situation, first seal wire and the second seal wire can select fixing mode according to practical situation, as spiral connects, welding or buckle connection etc.
In the present embodiment, the first seal wire and second leads their material is rustless steel or titanium alloy, and rustless steel can be used on CT or ultrasonic menisectomy, and titanium not only can be used in CT or ultrasonic lower use the most important thing is to use at nuclear magnetic resonance, NMR.The diameter of the present embodiment first seal wire and the second seal wire is 0.25mm, and diameter too small intensity is less, and diameter too conference increases the damage of patient and misery.In order to prevent the first seal wire from bringing secondary injury, the outer surface of the first seal wire has lubricating layer; Can not move in order to ensure behind positioning guide wire location, elasticity location division does not have lubricating layer.Lubricating layer can be medical greasing substance, and the present embodiment is medical grade Teflon clear water coating.
Elasticity location division is 5mm ~ 20mm along the length of the first seal wire axis direction, can determine according to different situations, and the present embodiment is 15mm.The length of the positioning guide wire of rhombus is 25mm ~ 150mm, can need to determine according to difference, as 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, 120mm, 150mm.The present embodiment is 150mm.
In the present embodiment, the radius of three bending places of the elasticity location division of rhombus is 0.5mm.
As shown in Figure 2, disclosed herein as well is a kind of positioning needle, comprising:
The puncture needle tubing 4 of hollow;
Positioning guide wire 3, for entering human body relevant position through puncture needle tubing;
Positioning guide wire 3 is the positioning guide wire of any one above-mentioned rhombus.
And the side away from elasticity location division of the first seal wire of positioning guide wire has limited block (not shown in FIG.), effectively can prevent the first seal wire from all entering in puncture needle tubing by arranging limited block, danger and accident can be prevented.
As shown in Fig. 2,3 and 4, when the present embodiment uses, first thrust assigned address by the puncture needle tubing of hollow, then by the elasticity location division of positioning guide wire compression pressure, make it enter the inwall of puncture needle tubing, then by the power transmission of the first seal wire, elasticity location division is moved, after elasticity location division passes puncture needle tubing, lose the constraint of puncture needle tubing, reset under the effect of its own resilient, thus realize location.
The application's elasticity location division is repeatedly bent to form by the second seal wire, and the two ends of the second seal wire are positioned at the same side of elasticity location division, and elasticity location division does not have spine, can not damage tissue.Second seal wire and the first seal wire are fixed, and by pull first seal wire, elasticity location division retraction puncture needle tubing can be made then to take out, eliminate and take out positioning guide wire by operation.
The foregoing is only preferred embodiment of the present utility model; not thereby scope of patent protection of the present utility model is namely limited; the equivalent structure transformation that every utilization this utility model description and accompanying drawing content are done; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in protection domain of the present utility model.
Claims (10)
1. the positioning guide wire of a rhombus, it is characterized in that, comprise the first seal wire and the second seal wire, described second seal wire is repeatedly bent to form the elasticity location division of rhombus, the two ends of the second seal wire be positioned at elasticity location division the same side and adjacent to one another or against, at least one end and described first seal wire of the second seal wire are fixed.
2. the positioning guide wire of rhombus as claimed in claim 1, it is characterized in that, described first seal wire and the second seal wire are same seal wire.
3. the positioning guide wire of rhombus as claimed in claim 2, it is characterized in that, the diameter of described first seal wire and the second seal wire is 0.2mm ~ 3.5mm.
4. the positioning guide wire of rhombus as claimed in claim 1, it is characterized in that, the outer surface of described first seal wire has lubricating layer.
5. the positioning guide wire of rhombus as claimed in claim 4, it is characterized in that, described lubricating layer is medical grade Teflon clear water coating.
6. the positioning guide wire of rhombus as claimed in claim 1, it is characterized in that, the material of described first seal wire and the second seal wire is rustless steel or titanium alloy.
7. the positioning guide wire of rhombus as claimed in claim 1, it is characterized in that, described elasticity location division is 5mm ~ 20mm along the length of the first seal wire axis direction.
8. the positioning guide wire of rhombus as claimed in claim 1, it is characterized in that, the length of the positioning guide wire of described rhombus is 25mm ~ 150mm.
9. a positioning needle, is characterized in that, comprising:
The puncture needle tubing of hollow;
Positioning guide wire, for entering human body relevant position through puncture needle tubing;
Described positioning guide wire is the positioning guide wire of any one rhombus described in claim 1 ~ 8.
10. positioning needle as claimed in claim 9, it is characterized in that, the side away from elasticity location division of the first seal wire of described positioning guide wire has limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024459.5U CN204562374U (en) | 2015-01-14 | 2015-01-14 | A kind of positioning guide wire of rhombus and positioning needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520024459.5U CN204562374U (en) | 2015-01-14 | 2015-01-14 | A kind of positioning guide wire of rhombus and positioning needle |
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| Publication Number | Publication Date |
|---|---|
| CN204562374U true CN204562374U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520024459.5U Active CN204562374U (en) | 2015-01-14 | 2015-01-14 | A kind of positioning guide wire of rhombus and positioning needle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490480A (en) * | 2015-01-14 | 2015-04-08 | 浙江伽奈维医疗科技有限公司 | Diamond positioning guide wire and positioning pin |
| CN105852984A (en) * | 2016-03-23 | 2016-08-17 | 堃博生物科技（上海）有限公司 | Pulmonary marker |
-
2015
- 2015-01-14 CN CN201520024459.5U patent/CN204562374U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104490480A (en) * | 2015-01-14 | 2015-04-08 | 浙江伽奈维医疗科技有限公司 | Diamond positioning guide wire and positioning pin |
| CN105852984A (en) * | 2016-03-23 | 2016-08-17 | 堃博生物科技（上海）有限公司 | Pulmonary marker |
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