CN208640849U - A kind of therapeutic device used for vascular puncture - Google Patents
A kind of therapeutic device used for vascular puncture Download PDFInfo
- Publication number
- CN208640849U CN208640849U CN201820433083.7U CN201820433083U CN208640849U CN 208640849 U CN208640849 U CN 208640849U CN 201820433083 U CN201820433083 U CN 201820433083U CN 208640849 U CN208640849 U CN 208640849U
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- Prior art keywords
- seal wire
- needle
- additionally provided
- ferromagnetic
- device used
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Abstract
The utility model discloses a kind of therapeutic devices used for vascular puncture, including seal wire, needle guard and needle tubing, described needle tubing one end is equipped with needle point, the other end is connect with needle guard, the guidewire port that cross section is rectangle is equipped in the needle guard, and guidewire port is connected to needle tubing, the seal wire is located in guidewire port, and seal wire can be moved in needle tubing from guidewire port, groove is additionally provided on the inner wall of the guidewire port, the baffle with matching grooves is equipped in groove, baffle can move in groove, motion bar is additionally provided on the needle guard, motion bar penetrates in groove, and it is connect with baffle, motion bar can push baffle to block guidewire port.The utility model can be avoided when puncturing, blood is flowed out out of needle guard, causes the pollution worn of operation, while when seal wire moves in the blood vessel, operator's seal wire can be reminded to be in turn state or by barriers such as thrombus, seal wire propulsive force is avoided to spend damage that is big and leading to blood vessel.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of therapeutic device used for vascular puncture.
Background technique
Interventional therapy is the emerging therapeutic method between surgery, medical treatment, including intravascular intervention and non-vascular
Interventional therapy.By development in more than 30 years, it is known as three big pillar subjects together with surgery, internal medicine now.It simply says, is situated between
Entering treatment is exactly to make several millimeters of diameter of minim channel on blood vessel, skin, or through human body in the case where not operating on exposed lesion
Original pipeline, the smallest treatment method of wound locally treated under the guidance of image documentation equipment to lesion is currently, clinic
On when carrying out vascular interventional treatment to patient, it is general to be needled into blood vessel using puncturing, seal wire is then penetrated into blood by syringe needle
Pipe, not only blood can be flowed out from needle handle one end in this way, pollution operation bed, and the insertion for entering guiding catheter is all with operator
Feel and experience blindmate damage the thing of blood vessel frequent occurrence, and What is more, can bursting blood vessel, cause the medical treatment of big bleeding
Accident.
Utility model content
Technical problem to be solved in the utility model is to overcome in the prior art do not live, and it is an object of the present invention to provide a kind of use
It in the therapeutic device that vascular puncture uses, can be avoided when carrying out vascular puncture, blood pollution operation bed.
The utility model is achieved through the following technical solutions:
A kind of therapeutic device used for vascular puncture, including seal wire, needle guard and needle tubing, described needle tubing one end are equipped with
Needle point, the other end are connect with needle guard, the guidewire port that cross section is rectangle are equipped in the needle guard, and guidewire port and needle tubing connect
Logical, the seal wire is located in guidewire port, and seal wire can be moved in needle tubing from guidewire port, on the inner wall of the guidewire port
It is additionally provided with groove, the baffle with matching grooves is equipped in groove, baffle can move in groove, be additionally provided with work on the needle guard
Lever, motion bar penetrate in groove, and connect with baffle, and motion bar can push baffle to block guidewire port.This reality
With novel when puncturing to blood vessel, due to being equipped with baffle in needle guard, when in needle tubing insertion blood vessel, the baffle of setting can
It says that blood blocks, blood is avoided to flow out from needle guard, pollution operation bed is pulled using motion bar and kept off when needing to be inserted into seal wire
Plate moves downward, and seal wire is smoothly entered in needle tubing from guidewire port, and traditional before being inserted into seal wire, largely
Blood is flowed out from needle guard, causes the pollution of operation bed, and the baffle of the utility model setting is avoiding before being inserted into seal wire,
The outflow of blood, and then avoid the pollution to operation bed.
Further, it is additionally provided with elastic component on the motion bar, elastic component covers on motion bar, and one end of elastic component
It is connect with baffle, bottom connects in other end groove；Fixed ring is additionally provided on the motion bar, fixed ring passes through screw thread and motion bar
Connection, and fixed ring is located at the outside of needle guard.When needing seal wire being fed through intravascular, gear is pulled downward using motion bar
Plate enables seal wire to stretch in needle tubing out of needle guard guidewire port, during being moved downward due to motion bar, elastic component
Elastic force will be generated, when seal wire extraction, unscrews the fixed ring on motion bar, so that elastic component forces baffle again to seal guidewire port
It blocks.
Further, the seal wire includes seal wire outer tube and seal wire head end, and seal wire outer tube links together with seal wire head end；
The inner wall of the seal wire outer tube is ferromagnetic equipped with several second, on the second ferromagnetic inner wall for being evenly distributed in seal wire outer tube, institute
It states and is additionally provided with first ferromagnetic on the inner wall of seal wire outer tube, the first ferromagnetic both ends are linked with the inner wall two sides of seal wire outer tube respectively；
Connecting rod is additionally provided on the seal wire head end inner wall, connecting rod one end is connect with the central position of seal wire head end, other end court
It is ferromagnetic to first, and connecting rod be located at second it is ferromagnetic between；The surface in the connecting rod towards the first ferromagnetic direction is equipped with
Magnetic induction sensor, connecting rod towards the second ferromagnetic direction surface on also be provided with magnetic induction sensor.Since seal wire is in blood vessel
In mobile process, when encountering corner or encountering the thrombus in blood, if pushing the dynamics of seal wire excessive, hold
Easily cause seal wire to damage blood vessel, and when the seal wire of the utility model promotes in the blood vessel, when being moved to turning, blood vessel it is interior
Wall will squeeze seal wire head end, and forcing seal wire head end, deformation occurs, so that connecting rod is mobile towards the first magnet direction, connecting rod court
The magnetic flux that magnetic induction sensor on the first magnet direction receives becomes larger, and output voltage may also change accordingly, and lead to
The processor sending restricted speed signal that conducting wire reaches rear end is crossed, reminds operator to reduce the driving velocity of seal wire, reduces conductive filament head
The collision dynamics at end and blood vessel；Simultaneously when seal wire encounters thrombus in the blood vessel, thrombus squeezes seal wire outer tube, so that seal wire
First in outer tube is ferromagnetic mobile towards connecting rod direction, and connecting rod is received towards the magnetic induction sensor on the second ferromagnetic direction
To magnetic flux become larger, output voltage may also change accordingly, and by conducting wire reach rear end processor issue restricted speed signal,
It reminds operator to reduce the driving velocity of seal wire, avoids damage of the seal wire to blood vessel.
Further, it is additionally provided with opening and conduit on the side wall of the needle tubing, is open close to needle point, and seal wire can
It is stretched out from opening, the conduit is additionally provided with switch close to needle guard, and on conduit.Needle tubing usually tilts and is inserted in blood vessel
Interior, if seal wire is directly pierced by from needle tip, seal wire is easy direct collision to vascular wall, causes the damage of vascular wall, and this reality
Opening is equipped on the side wall of needle tubing with novel, seal wire is stretched out from opening, can be avoided the collision of seal wire and vascular wall；And it sets
The conduit set is when puncturing blood vessel, when blood is flowed out from conduit, convenient for observing the color of blood, to judge that needle tubing is inserted
The blood vessel entered is artery or vein.
Further, it is additionally provided with sealing ring between the needle tubing and needle guard, seals snare on needle tubing.The sealing ring of setting
It can be avoided blood to flow out from needle tubing and a whole set of direct micro gap.
Further, several fixing belts are additionally provided on the needle guard.The fixing belt of setting is carrying out thigh puncture to patient
When, convenient for being fixed on thigh.
The utility model compared with prior art, has the following advantages and benefits:
1, a kind of therapeutic device used for vascular puncture of the utility model, when needle tubing is inserted into blood vessel, if
The baffle set can be avoided blood and flow into from needle guard, to avoid blood pollution operation bed；
2, a kind of therapeutic device used for vascular puncture of the utility model, when seal wire promotes in the blood vessel, to movement
When at the corner of blood vessel or thrombus, operator can be reminded to slow down the propulsion dynamics to seal wire, to avoid seal wire
Fltting speed is too fast and leads to damage of the seal wire to blood vessel；
3, a kind of therapeutic device used for vascular puncture of the utility model is equipped with opening on the side wall of needle tubing, makes
Seal wire can be stretched out from opening, avoid seal wire seal wire head end stretched from needle tubing people to it is intravascular when, collide blood vessel
Inside, cause the damage of blood vessel.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model；
Structural schematic diagram when Fig. 2 is utility model works；
Fig. 3 is the amplified structural schematic diagram in the portion the utility model A；
Fig. 4 is the schematic diagram of internal structure of the utility model seal wire.
Label and corresponding parts title in attached drawing:
1- seal wire, 2- baffle, 3- needle guard, 4- switch, 5- conduit, 6- opening, 7- fixing belt, 8- sealing ring, 9- needle tubing,
10- needle point, 11- guidewire port, 12- motion bar, 13- fixed ring, 14- elastic component, 15- seal wire outer tube, 17- seal wire head end, 18- are empty
Chamber, the first magnet of 19-, 20- second is ferromagnetic, 21- connecting rod.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1 to Figure 3, a kind of therapeutic device used for vascular puncture of the utility model, including seal wire 1, needle
Set 3 and needle tubing 9, one end of the needle tubing 9 connects with needle guard 3, the other end equipped with needle point 10, and needle tubing 9 and needle guard 3 it
Between be additionally provided with sealing ring 8, seal snare on needle tubing 9, the sealing ring 8 of setting can be avoided needle tubing 9 when interspersed, entrance
Gap outflow of the blood between needle tubing 9 and needle guard 3 in needle tubing 9, described 3 one end of needle guard connect with needle tubing 9, sets on the other end
Have with the matched guidewire port 11 of seal wire 1, the cross section of guidewire port 11 is rectangle, and guidewire port 11 is connected to needle tubing 9, the insertion of seal wire 1
In guidewire port 11, and seal wire 1 can be moved in needle tubing 9 from guidewire port 11, be additionally provided with groove in the guidewire port 11,
Be additionally provided in groove with the matched baffle 2 of guidewire port 11, the cross section of baffle 2 is also rectangle, and baffle 2 can move in groove
It is dynamic, and baffle 2 can block guidewire port 11, and motion bar 12 is additionally provided on the needle guard 3, and motion bar 12 is inserted in groove
It is interior, and motion bar 12 is connect with baffle 2, baffle 2 can be pushed to move in groove using motion bar 12, the motion bar 12
On be additionally provided with fixed ring 13 and elastic component 14, the elastic component 14 is spring, has certain elasticity, 14 sets of elastic component in activity
On bar 12, and one end of elastic component 14 is connect with baffle 2, the interior bottom connection of the other end and groove, when motion bar moves downward
When, baffle 2 and then moves downward together, forces and squeezes elastic component 14, so that elastic component 14 generates elastic force, when pulling motion bar 12
External force disappear when, elastic component 14 generate elastic force force baffle 2 to be moved upwardly by, guidewire port 11 is blocked again, it is described solid
Determine ring 13 and connect with motion bar 2 by screw thread, and fixed ring 13 is located at the outside of needle guard 3, when needing seal wire 1 from guidewire port
11 when stretching in needle tubing 9, towards pulling motion bar 12, so that baffle 2 is moved in groove, and then rotation fixed ring 13,
The elastic force for avoiding elastic component 14 from generating forces baffle 2 to be moved upwardly by；The side wall of the needle tubing 9 is equipped with conduit 5 and opening 6, leads
Pipe 5 is additionally provided with switch 4 on the conduit 5 close at 3 position of needle guard, and when puncturing to patient, needle tubing 9 is inserted into blood vessel
When interior, the end of conduit 5 is connected to container, the switch on conduit 5 is switched, blood is enabled to flow into appearance from conduit 5
It receives in device, observes the color of blood, to judge blood vessel that needle tubing punctures for vein blood vessel or arteries, described be open 6 is leaned on
It is bordering at 10 position of needle point, since needle tubing 9 is when being inserted into blood vessel, needle tubing 9 is that inclination is inserted into endovascular, existing needle
Sharp 10 ends are connected to needle tubing 9, so that seal wire 1 is directly pierced by from 10 end of needle point, is easy to collide with blood vessel in this way, be caused
The damage of blood vessel, and the utility model is when carrying out vascular puncture, since the side wall of needle tubing 9 is equipped with opening 6, so that leading
Silk 1 can be pierced by from the opening 6 on needle tubing 9, then stretch to intravascular, can reduce the collision of seal wire 1 Yu vascular wall, described
If being additionally provided with fixing belt 7 on the outer wall of needle guard 3, when the thigh to patient punctures, using fixing belt 7 can needle guard 3 it is solid
It is scheduled on patient thigh.
Embodiment 2
As shown in Figure 1, Figure 2, Figure 4 shows, on the basis of embodiment 1, the seal wire 1 includes seal wire outer tube 15 and seal wire head end
17, seal wire outer tube 15 and seal wire head end 17 link together, and seal wire outer tube 15 and seal wire head end 17 are all made of spring material
It is fabricated, with certain elasticity, the inside of the seal wire outer tube 15 and seal wire head end 17 is equipped with cavity 18, the seal wire
Further equally be equipped with several second ferromagnetic 20 on 18 inner wall of cavity of outer tube 15, second ferromagnetic 20 in array ring respectively outside seal wire
On the inner wall of pipe 15, be additionally provided with first ferromagnetic 19 in the seal wire outer tube 15, first ferromagnetic 19 both ends respectively with seal wire outer tube
15 inner wall two sides connection, and the axis of first ferromagnetic 19 axis and seal wire outer tube 15 is on same straight line, it is described to lead
It is additionally provided with connecting rod 21 on the inner wall of silk head end 17,21 one end of connecting rod is connect with the inner wall of seal wire head end 17, other end direction
First ferromagnetic 19, and connecting rod 21, between second ferromagnetic 20, first ferromagnetic 19 axis and the axis of connecting rod 21 exist
On same straight line, the connecting rod 21 is towards miniature magnetic induction sensor is additionally provided on the surface in the first ferromagnetic 19 direction, even
Extension bar 21 is existing towards miniature magnetic induction sensor, the magnetic induction sensor also is provided on the surface in the second ferromagnetic 19 direction
Technology, and magnetic induction sensor passes through conducting wire and connect with extraneous processor, when seal wire head end 17 is moved to turning for blood vessel
When crook, when blood vessel forces seal wire head end 17 deformation occurs, so that connecting rod 21 is mobile towards the first ferromagnetic 19 direction, even
Extension bar 21 becomes larger towards the magnetic flux that the magnetic induction sensor on the first ferromagnetic 19 direction receives, and the transformation of output also can phase
It should change, and restricted speed signal is issued by the processor that conducting wire reaches rear end, operator's seal wire head end 17 is reminded to be now in
The turn position of blood vessel, it should slow down the propulsion dynamics to seal wire 1, avoid the damage caused by blood vessel；When seal wire 1 is mobile
When to endovascular thrombus position, thrombus will squeeze seal wire outer tube 15, force the second ferromagnetic 20 court on 15 inner wall of seal wire outer tube
Deformation occurs in connecting rod 21 direction so that connecting rod 21 was received towards the magnetic induction sensor on the second ferromagnetic 20 direction
Magnetic flux becomes larger, and the transformation of output may also change accordingly, and issues restricted speed signal by the processor that conducting wire reaches rear end, mentions
Operator's seal wire outer tube 15 wake up by obstructions such as endovascular thrombus, it should reduce the propulsion dynamics to seal wire 1, avoid leading
1 propulsive force of silk spends the damage for causing blood vessel greatly.The variation of ferromagnetic magnetic flux is received about magnetic induction sensor and
Its output voltage is caused to change, and issuing restricted speed signal by the processor that conducting wire reaches rear end is the prior art.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of therapeutic device used for vascular puncture, including seal wire (1), needle guard (3) and needle tubing (9), feature exists
In described needle tubing (9) one end is equipped with needle point (10), and the other end is connect with needle guard (3), is equipped with cross section in the needle guard (3)
The guidewire port (11) of rectangle, and guidewire port (11) is connected to needle tubing (9), and the seal wire (1) is located in guidewire port (11), and
Seal wire (1) can be moved in needle tubing (9) from guidewire port (11), be additionally provided with groove on the inner wall of the guidewire port (11), recessed
The baffle (2) with matching grooves is equipped in slot, baffle (2) can move in groove, be additionally provided with motion bar on the needle guard (3)
(12), motion bar (12) penetrates in groove, and connect with baffle (2), and motion bar (12) can push baffle (2) by seal wire
Mouth (11) blocks.
2. a kind of therapeutic device used for vascular puncture according to claim 1, which is characterized in that the motion bar
(12) it is additionally provided on elastic component (14), elastic component (14) covers on motion bar (12), and one end of elastic component (14) and baffle
(2) it connects, bottom connection in other end groove.
3. a kind of therapeutic device used for vascular puncture according to claim 1, which is characterized in that the motion bar
(12) it is additionally provided on fixed ring (13), fixed ring (13) is connect by screw thread with motion bar (12), and fixed ring (13) is located at
The outside of needle guard (3).
4. a kind of therapeutic device used for vascular puncture according to claim 1, which is characterized in that the seal wire
It (1) include seal wire outer tube (15) and seal wire head end (17), seal wire outer tube (15) links together with seal wire head end (17).
5. a kind of therapeutic device used for vascular puncture according to claim 4, which is characterized in that outside the seal wire
The inner wall for managing (15) is equipped with several second ferromagnetic (20), and second ferromagnetic (20) are evenly distributed in the inner wall of seal wire outer tube (15)
On, first ferromagnetic (19) are additionally provided on the inner wall of the seal wire outer tube (15), the both ends of first ferromagnetic (19) are respectively and outside seal wire
Manage the inner wall two sides link of (15).
6. a kind of therapeutic device used for vascular puncture according to claim 5, which is characterized in that the conductive filament head
It holds and is additionally provided with connecting rod (21) on the inner wall of (17), connecting rod (21) one end is connect with the central position of seal wire head end (17),
The other end is towards first ferromagnetic (19), and connecting rod (21) is between second ferromagnetic (20).
7. a kind of therapeutic device used for vascular puncture according to claim 6, which is characterized in that the connecting rod
(21) it is equipped with magnetic induction sensor towards the surface in the first ferromagnetic (19) direction, connecting rod (21) is square towards second ferromagnetic (20)
To surface on also be provided with magnetic induction sensor.
8. a kind of therapeutic device used for vascular puncture according to claim 1, which is characterized in that the needle tubing
(9) it is additionally provided with opening (6) and conduit (5) on side wall, is open (6) close to needle point (10), and seal wire (1) can be from opening
(6) it is stretched out in, the conduit (5) is additionally provided with switch (4) close to needle guard (3) on conduit (5).
9. a kind of therapeutic device used for vascular puncture according to claim 1, which is characterized in that the needle tubing
(9) it is additionally provided between needle guard (3) sealing ring (8), sealing ring (8) covers on needle tubing (9).
10. a kind of therapeutic device used for vascular puncture according to claim 1, which is characterized in that the needle guard
(3) several fixing belts (7) are additionally provided on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433083.7U CN208640849U (en) | 2018-03-28 | 2018-03-28 | A kind of therapeutic device used for vascular puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433083.7U CN208640849U (en) | 2018-03-28 | 2018-03-28 | A kind of therapeutic device used for vascular puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208640849U true CN208640849U (en) | 2019-03-26 |
Family
ID=65775557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820433083.7U Expired - Fee Related CN208640849U (en) | 2018-03-28 | 2018-03-28 | A kind of therapeutic device used for vascular puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208640849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253033A (en) * | 2022-07-30 | 2022-11-01 | 河北康誉医疗器械有限公司 | High-strength catheter sheath group |
-
2018
- 2018-03-28 CN CN201820433083.7U patent/CN208640849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253033A (en) * | 2022-07-30 | 2022-11-01 | 河北康誉医疗器械有限公司 | High-strength catheter sheath group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190326 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |