CN217285959U - Nickel-titanium alloy wire grabber based on clearing of foreign matters in blood vessels - Google Patents
Nickel-titanium alloy wire grabber based on clearing of foreign matters in blood vessels Download PDFInfo
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- CN217285959U CN217285959U CN202123242672.8U CN202123242672U CN217285959U CN 217285959 U CN217285959 U CN 217285959U CN 202123242672 U CN202123242672 U CN 202123242672U CN 217285959 U CN217285959 U CN 217285959U
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Abstract
The utility model relates to the technical field of nickel-titanium alloy wires, in particular to a nickel-titanium alloy wire grabber based on clearing of intravascular foreign matters, which comprises a fixed hollow spoon and a rotary hollow spoon; the fixed type hollow spoon comprises a hemispherical hollow spoon I woven by nickel-titanium alloy wires and a handheld rod piece connected to the hemispherical hollow spoon I, and the handheld rod piece comprises a spiral rod body and fixing rods connected to two ends of the spiral rod body; rotation type fretwork spoon includes hemisphere fretwork spoon two of being woven by nickel titanium alloy silk and connects the dwang on hemisphere fretwork spoon two, the dwang passes the inner chamber of the screw rod body, the dwang drives hemisphere fretwork spoon two rotatoryly, is suitable for drive hemisphere fretwork spoon two through the inner chamber of hemisphere fretwork spoon one. The utility model discloses rational in infrastructure, be convenient for snatch out less foreign matter from the blood vessel, improved the result of use, simultaneously, reduced and caused the harm to the blood vessel of snatching thing department.
Description
Technical Field
The utility model relates to a nickel titanium alloy silk technical field especially relates to a nickel titanium alloy silk grabber based on clear away intravascular foreign matter.
Background
The intravascular foreign body grabber is mainly used for interventional therapy and assisting medical staff to move or take out non-traumatic foreign bodies in a patient body. Compared with a surgical incision operation, the method has the following advantages: simple operation, small operation wound, quick recovery of patients, good curative effect, relatively low cost and the like. .
Present endovascular foreign matter grabber is mostly made stainless steel, and the material is hard partially, leads to operation accuse nature poor, causes the harm to the blood vessel of grabbing thing department easily, and simultaneously, current grabber structure is complicated, and the operation is inconvenient, can't snatch less foreign matter totally, has reduced the result of use.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a nickel titanium alloy silk grabber based on clear away intravascular foreign matter, simple structure, and convenient operation is convenient for snatch out less foreign matter from intravascular, has improved the result of use, simultaneously, has reduced the blood vessel that causes the harm to snatching thing department.
In order to solve the technical problem, the utility model discloses a technical scheme be: the nickel-titanium alloy wire grabber based on the function of clearing foreign matters in blood vessels comprises a fixed hollow spoon and a rotary hollow spoon;
the fixed type hollow spoon comprises a hemispherical hollow spoon I woven by nickel-titanium alloy wires and a handheld rod piece connected to the hemispherical hollow spoon I, and the handheld rod piece comprises a spiral rod body and fixing rods connected to two ends of the spiral rod body;
rotation type fretwork spoon includes hemisphere fretwork spoon two of being woven by nickel titanium alloy silk and connects the dwang on hemisphere fretwork spoon two, the dwang passes the inner chamber of the screw rod body, the dwang drives hemisphere fretwork spoon two rotatoryly, is suitable for drive hemisphere fretwork spoon two through the inner chamber of hemisphere fretwork spoon one.
In a preferred embodiment of the present invention, the fixed hollow-out spoon further comprises a short connecting rod connected to the hemispherical hollow-out spoon I, the outer end of the short connecting rod is connected to one end of the fixing rod, and a polymer heat-shrinkable tube I is sleeved on the outer surface of the joint of the short connecting rod and the fixing rod.
In a preferred embodiment of the present invention, the rotary hollow spoon further comprises a long connecting rod connected to the hemispherical hollow spoon two, the outer end of the long connecting rod is connected to one end of the rotating rod, and the outer surface of the joint of the long connecting rod and the rotating rod is sleeved with the polymer heat pipe two.
In a preferred embodiment of the present invention, the end portion of the hand-held rod member away from the first hemispherical hollow-out spoon is sleeved with a hand-held sleeve.
In a preferred embodiment of the present invention, a rotating sleeve is sleeved on an end of the rotating rod away from the second hemispherical hollow-out spoon.
In a preferred embodiment of the present invention, the spiral rod body and the fixing rod connected to both ends of the spiral rod body are integrated.
The utility model has the advantages that: the utility model provides a nickel titanium alloy silk grabber based on clear away endovascular foreign matter, a hemisphere fretwork spoon two will be equipped with the hemisphere fretwork spoon opening cover of foreign matter, avoid the foreign matter to drop when the intravascular removal, be convenient for snatch out less foreign matter from intravascular, improved the result of use, simultaneously, because hemisphere fretwork spoon one and hemisphere fretwork spoon two are nickel titanium alloy silk and weave and form, reduced and led to the fact the harm to the blood vessel that snatchs thing department.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a nitinol wire grabber for removing intravascular foreign matter according to the present invention;
fig. 2 is a schematic structural view of the hemispherical hollow spoon in fig. 1, wherein two of the hemispherical hollow spoons are located in an inner cavity of the hemispherical hollow spoon.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.
Referring to fig. 1-2, an embodiment of the present invention includes:
a nickel-titanium alloy wire grabber based on clearing of intravascular foreign matters comprises a fixed type hollow spoon 10 and a rotary type hollow spoon 20.
The fixed type hollow spoon 10 comprises a hemispherical hollow spoon I11 woven by nickel-titanium alloy wires and a handheld rod piece 12 connected to the hemispherical hollow spoon I11, wherein the handheld rod piece 12 comprises a spiral rod body 121 and fixing rods 122 connected to two ends of the spiral rod body 121; the hemispherical hollowed-out spoon I11 has the excellent characteristics of abrasion resistance, corrosion resistance, superelasticity and the like, and reduces damage to blood vessels.
The rotary type hollowed-out spoon 20 comprises a hemispherical hollowed-out spoon II 21 woven by nickel-titanium alloy wires and a rotating rod 22 connected to the hemispherical hollowed-out spoon II 21, the hemispherical hollowed-out spoon II 21 has the excellent characteristics of wear resistance, corrosion resistance, hyperelasticity and the like, damage to blood vessels is reduced, the rotating rod 22 penetrates through the inner cavity of the spiral rod body 121, and the rotating rod 22 drives the hemispherical hollowed-out spoon II 21 to rotate and is suitable for driving the hemispherical hollowed-out spoon II 21 to pass through the inner cavity of the hemispherical hollowed-out spoon I11; during the use, at first, operation dwang 22 rotates, make the inner chamber of two 21 screw in hemisphere fretwork spoons 11 of hemisphere fretwork spoon, stretch into the blood vessel and cover in the outside of waiting to get the foreign matter as hemisphere fretwork spoon 11 and two 21 of hemisphere fretwork spoon, operate dwang 22 again and rotate, make two 21 rotatory 180 degrees of hemisphere fretwork spoon, two 21 of hemisphere fretwork spoon seal the opening of hemisphere fretwork spoon 11, at this moment, the foreign matter is fixed by hemisphere fretwork spoon 11 and two 21 of hemisphere fretwork spoon and can't break away from at the inner chamber of the two, avoid the foreign matter to drop in the blood vessel when removing, moreover, the steam generator is simple in structure, and convenient operation improves the use effect.
The fixed type hollowed-out spoon 10 further comprises a short connecting rod 13 connected with the hemispherical hollowed-out spoon I11, the short connecting rod 13 is formed by weaving a plurality of nickel-titanium alloy wires in a threaded manner, the outer end of the short connecting rod 13 is connected with one end of a fixing rod 122, and a high-polymer heat-shrinkable tube I14 is sleeved and connected on the outer surface of the joint of the short connecting rod 13 and the fixing rod 122; through the use of short connecting rod 13, be convenient for handheld member 12 and hemisphere fretwork spoon 11 fixed connection, through the use of polymer pyrocondensation pipe 14, strengthened the fastness that short connecting rod 13 is connected with dead lever 122.
The rotary type hollowed-out spoon 20 further comprises a long connecting rod 23 connected with the hemispherical hollowed-out spoon II 21, the long connecting rod 23 is formed by spirally weaving a plurality of nickel-titanium alloy wires, the outer end of the long connecting rod 23 is connected with one end of the rotating rod 22, and a polymer heat pipe II 24 is sleeved and connected on the outer surface of the joint of the long connecting rod 23 and the rotating rod 22; through the use of long connecting rod 23, be convenient for dwang 22 and two 21 fixed connection of hemisphere fretwork spoon, through the use of two 24 of polymer heat pipes, strengthened the fastness that long connecting rod 23 and dwang 22 are connected.
The end part of the handheld rod piece 12, which is far away from the hemispherical hollowed-out spoon I11, is sleeved with a handheld sleeve 3; the handheld sleeve 3 is convenient to hold by the hand for operation, and the use convenience is improved.
The spiral rod body 121 and the fixing rods 122 connected to the two ends of the spiral rod body are of an integrated structure, and the spiral rod body is simple in structure and easy to process.
To sum up, the utility model discloses a nickel titanium alloy silk grabber based on clear away endovascular foreign matter, simple structure, convenient operation is convenient for snatch out less foreign matter from the endovascular, has improved the result of use, simultaneously, has reduced the blood vessel that causes the harm to snatching thing department.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. A nickel-titanium alloy wire grabber based on clearing of intravascular foreign matters is characterized by comprising a fixed type hollow spoon and a rotary type hollow spoon;
the fixed type hollow spoon comprises a hemispherical hollow spoon I woven by nickel-titanium alloy wires and a handheld rod piece connected to the hemispherical hollow spoon I, and the handheld rod piece comprises a spiral rod body and fixing rods connected to two ends of the spiral rod body;
rotation type fretwork spoon includes hemisphere fretwork spoon two of being woven by nickel titanium alloy silk and connects the dwang on hemisphere fretwork spoon two, the dwang passes the inner chamber of the screw rod body, the dwang drives hemisphere fretwork spoon two rotatoryly, is suitable for drive hemisphere fretwork spoon two through the inner chamber of hemisphere fretwork spoon one.
2. The nickel-titanium alloy wire grabber for removing the intravascular foreign matters according to claim 1, wherein the fixed type hollowed-out spoon further comprises a short connecting rod connected with the hemispherical hollowed-out spoon I, the outer end of the short connecting rod is connected with one end of a fixing rod, and a first high-molecular heat-shrinkable tube is sleeved and connected on the outer surface of the joint of the short connecting rod and the fixing rod.
3. The nickel-titanium alloy wire grabber for removing the foreign matters in the blood vessels is characterized in that the rotary type hollowed-out spoon further comprises a long connecting rod connected with the hemispherical hollowed-out spoon II, the outer end of the long connecting rod is connected with one end of a rotating rod, and a polymer heat pipe II is connected to the outer surface of the joint of the long connecting rod and the rotating rod in a sleeved mode.
4. The nickel-titanium alloy wire grabber based on clearance of intravascular foreign bodies according to claim 1, wherein a handheld sleeve is sleeved and connected to an end portion of the handheld rod piece, the end portion of the handheld rod piece is far away from the first hemispherical hollowed-out spoon.
5. The nickel-titanium alloy wire grabber based on clearance of intravascular foreign matter of claim 1, wherein a rotating sleeve is sleeved and connected to one end of the rotating rod, which is far away from the second hemispherical hollow spoon.
6. The nitinol wire grabber based on clearing away intravascular foreign materials according to claim 1, wherein the spiral rod body is integrated with fixing rods connected to both ends of the spiral rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123242672.8U CN217285959U (en) | 2021-12-22 | 2021-12-22 | Nickel-titanium alloy wire grabber based on clearing of foreign matters in blood vessels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123242672.8U CN217285959U (en) | 2021-12-22 | 2021-12-22 | Nickel-titanium alloy wire grabber based on clearing of foreign matters in blood vessels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217285959U true CN217285959U (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123242672.8U Active CN217285959U (en) | 2021-12-22 | 2021-12-22 | Nickel-titanium alloy wire grabber based on clearing of foreign matters in blood vessels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217285959U (en) |
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2021
- 2021-12-22 CN CN202123242672.8U patent/CN217285959U/en active Active
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