CN211911756U - Remaining needle for dissolving thrombus of internal arteriovenous fistula - Google Patents
Remaining needle for dissolving thrombus of internal arteriovenous fistula Download PDFInfo
- Publication number
- CN211911756U CN211911756U CN202020242132.6U CN202020242132U CN211911756U CN 211911756 U CN211911756 U CN 211911756U CN 202020242132 U CN202020242132 U CN 202020242132U CN 211911756 U CN211911756 U CN 211911756U
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- CN
- China
- Prior art keywords
- ring
- injection
- side wall
- injection needle
- needle
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 206010003226 Arteriovenous fistula Diseases 0.000 title claims description 9
- 208000007536 Thrombosis Diseases 0.000 title description 15
- 238000002347 injection Methods 0.000 claims abstract description 83
- 239000007924 injection Substances 0.000 claims abstract description 83
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 206010016717 Fistula Diseases 0.000 claims abstract description 6
- 230000003890 fistula Effects 0.000 claims abstract description 6
- 230000001012 protector Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 208000005189 Embolism Diseases 0.000 claims 5
- 210000004712 air sac Anatomy 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 1
- 239000003814 drug Substances 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 2
- 210000003462 vein Anatomy 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002537 thrombolytic effect Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000002651 drug therapy Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003527 fibrinolytic agent Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a vein internal fistula dissolves embolia with keeping somewhere needle, including injection needle tubing, be provided with the filling opening of a plurality of regions on the injection needle tubing, injection needle tubing tip fixedly connected with end cap, the end cap is connected with the thorn tip, the solid fixed ring of injection needle tubing other end fixedly connected with, gu be provided with protector on the fixed ring, gu be provided with interior syringe in the fixed ring sliding connection, set up a plurality of notes liquid holes that run through the lateral wall in the interior syringe, interior syringe outer end connection has handheld ring, be provided with control mechanism on the handheld ring. The utility model discloses a set up the filling opening in a plurality of regions on injection needle tubing, send the liquid medicine to the assigned position through setting up the interior injection pipe in injection needle tubing, move in to gasbag ring and gasbag ball through setting up the atmospheric pressure of briquetting control atmospheric pressure intracavity, realize the filling opening of other positions sealed, prevent that the liquid medicine from getting into other positions and causing the waste.
Description
Technical Field
The utility model relates to an indwelling needle technical field especially relates to a dissolved bolt of internal arteriovenous fistula is with keeping somewhere needle.
Background
Thrombosis is one of common complications of arteriovenous internal fistula, is also a main reason for causing arteriovenous internal leakage occlusion or dysfunction, and at present, the thrombosis treatment is mainly performed through an interventional operation or a surgical operation mode, and is high in price, so that great pain and even infection are brought to patients. For early thrombus, the thrombolytic drug therapy through a micro pump also has a certain effect, but the prior clinical puncture needle has only one needle hole, and the drug reaches the thrombus thrombolysis point limited, so that the thrombolytic effect is not good, and the retention needle capable of carrying out multipoint accurate injection is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the existing puncture needle is only provided with a needle hole, and the medicine reaches the thrombus and dissolves the thrombus point position to be limited, so that the thrombus dissolving effect is not good, and providing a remaining needle for dissolving the thrombus of the internal arteriovenous fistula.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an internal arteriovenous fistula dissolves bolt with keeping somewhere needle, includes injection needle tubing, be provided with the filling opening of a plurality of regions on the injection needle tubing, injection needle tube tip fixedly connected with end cap, the end cap is connected with into thorn tip, the solid fixed ring of injection needle tubing other end fixedly connected with, gu be provided with protector on the fixed ring, gu sliding connection has interior injection tube in the fixed ring, set up a plurality of notes liquid holes that run through the lateral wall in the interior injection tube, interior injection tube outer end connection has handheld ring, be provided with control mechanism on the handheld ring.
Preferably, the protector is including offering the thread groove on solid fixed ring, the folding rubber layer of stationary ring lateral wall fixedly connected with, the folding rubber layer other end is connected with conflict rubber ring, be provided with the screw ring on the conflict rubber ring lateral wall.
Preferably, control mechanism is including the gasbag ball of injection tube tip including fixed connection, interior injection tube lateral wall fixedly connected with gasbag ring, handheld intra-annular has seted up the atmospheric pressure chamber, the annular hole that runs through the lateral wall is seted up to the atmospheric pressure chamber lateral wall.
Preferably, the annular hole is connected with a connecting ring in a sliding manner, one end of the connecting ring is connected with the pressing block, the other end of the pressing block is connected with a piston, the piston is connected with the side wall of the air pressure cavity in a sliding manner, and the pressing block is provided with an injection hole penetrating through the side wall.
Preferably, the connector has been seted up to gasbag ring both sides, the connector has been seted up to gasbag ball lateral wall, the connector passes through connecting pipe and one side interface connection, the atmospheric pressure chamber passes through trachea and opposite side interface connection, the syringe lateral wall including the equal adhesion of connecting pipe and trachea.
Preferably, the puncture tip is conical, the abutting rubber ring is sleeved on the outer side wall of the injection needle tube, and an arc-shaped suction groove is formed in the abutting rubber ring.
The utility model discloses well beneficial effect does:
1. through the folding rubber layer that sets up on the injection needle pipe lateral wall for can conflict with the rubber ring of contradicting through skin when using, thereby guarantee the injection opening on the injection needle pipe when injecting, can not get into impurity and cause the needle of keeping somewhere to block up.
2. Through set up the filling opening in a plurality of regions on injection needle pipe, give the assigned position with the liquid medicine through the interior injection pipe that sets up in injection needle pipe, move in gasbag ring and the gasbag ball through setting up the atmospheric pressure of briquetting control atmospheric pressure intracavity, realize sealing the filling opening of other positions, prevent that the liquid medicine from getting into other positions and causing the waste.
Drawings
FIG. 1 is a schematic structural view of an indwelling needle for dissolving thrombus in arteriovenous internal fistula according to the present invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the injection needle tube 1, the injection opening 2, the plug 3, the puncture tip 4, the fixing ring 5, the inner injection tube 6, the hand-held ring 7, the folding rubber layer 8, the abutting rubber ring 9, the air bag ball 10, the air bag ring 11, the air pressure cavity 12, the pressing block 13, the piston 14, the connecting tube 15 and the air tube 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, an indwelling needle for dissolving thrombus of arteriovenous internal fistula comprises an injection needle tube 1, wherein the injection needle tube 1 is provided with a plurality of regions of injection ports 2, the injection ports 2 are arranged in regions, and more than or equal to four regions are arranged to enable injection at different positions, the end part of the injection needle tube 1 is fixedly connected with a plug 3, the plug 3 is connected with a puncture tip 4, the puncture tip 4 is prevented from being inserted into human tissue by arranging the plug 3, the tissue enters the injection needle tube 1 to cause blockage, the other end of the injection needle tube 1 is fixedly connected with a fixing ring 5, the fixing ring 5 is provided with a protection device, further, the protection device comprises a thread groove arranged on the fixing ring 5, the side wall of the fixing ring 5 is fixedly connected with a folding rubber layer 8, the folding rubber layer 8 is made of a safe material, and the injection ports 2 on the unused injection needle tube 1, prevent to get into impurity, the 8 other ends on folding rubber layer are connected with conflict rubber ring 9, are provided with the screw thread ring on the 9 lateral walls of conflict rubber ring, carry out threaded connection through setting up the thread groove on screw thread ring and the solid fixed ring 5, realize fixed protector.
Injection pipe 6 in the solid fixed ring 5 sliding connection, be provided with the scale on the 6 lateral walls of interior injection pipe, injection pipe 6 stretches into the degree of depth in can calculating according to the scale, interior injection pipe 6 is seted up a plurality of notes liquid holes that run through the lateral wall, interior 6 outer end connection of injection pipe has handheld ring 7, be provided with control mechanism on the handheld ring 7, furthermore, control mechanism includes the gasbag ball 10 of 6 tip of injection pipe including fixed connection, gasbag ball 10 pours into the air into in it and can make gasbag ball 10 grow, thereby make gasbag ball 10 can plug up 1 inside wall of injection needle tubing, prevent that the liquid medicine from entering into the human body and not sick the department from other injection ports 2, cause the damage, interior 6 lateral walls fixedly connected with gasbag ring 11 of injection pipe, pneumatic chamber 12 has been seted up in the handheld ring 7, the annular hole that runs through the lateral wall is seted up to pneumatic.
Furthermore, a connecting ring is slidably connected in the annular hole, one end of the connecting ring is connected with a pressing block 13, the other end of the pressing block 13 is connected with a piston 14, the piston 14 is slidably connected with the side wall of the air pressure cavity 12, and the pressing block 13 is provided with an injection hole penetrating through the side wall.
Furthermore, connectors are arranged on two sides of the air bag ring 11, a connector is arranged on the side wall of the air bag ball 10, the connector is connected with the connector on one side through a connecting pipe 15, the air pressure cavity 12 is connected with the connector on the other side through an air pipe 16, the connecting pipe 15 and the air pipe 16 are both adhered to the side wall of the inner injection pipe 6, the puncturing tip 4 is conical, the abutting rubber ring 9 is sleeved on the outer side wall of the injection needle pipe 1, and an arc-shaped suction groove is arranged on the abutting rubber ring 9.
In the utility model
When the injection needle tube 1 is used, the injection needle tube 1 is inserted into skin tissue through the puncture tip 4 arranged at the end part of the injection needle tube 1 by holding the fixing ring 5 by hand, the injection port 2 arranged on the injection needle tube 1 corresponds to an affected part, and when the injection needle tube 1 is used, the folding rubber layer 8 positioned on the outer side wall is folded under the action of the collision rubber ring 9 colliding with the skin, so that the injection port 2 which is not inserted into the skin is protected, foreign matters are prevented from falling into the injection port 2 which is exposed outside, the health is prevented from being influenced, and the protection of a patient is achieved;
when the affected part needs to be injected with the treatment liquid, the inner injection tube 6 is inserted into the injection needle tube 1, the position of the inner injection tube 6 is controlled according to the scale on the inner injection tube 6, the air tube 16 adhered to the outer side wall of the inner injection tube 6 can extend into the injection needle tube 1 together, when the inner injection tube 6 reaches a preset position, the pressing block 13 on the handheld ring 7 is pressed, the piston 14 connected with the pressing block 13 presses the air in the air pressure cavity 12, so that the air is respectively injected into the air bag ring 11 and the air bag ball 10 through the air tube 16 and the connecting tube 15, the air bag ball 10 and the air bag ring 11 are enlarged, the inner side wall of the injection needle tube 1 is sealed, the liquid is prevented from flowing out, at the moment, the liquid is injected into the inner injection tube 6 from the injection hole formed on the pressing block through the external needle tube, so that the liquid can be discharged from the injection hole formed on the inner injection tube 6 and, realize accurate fixed-point treatment
Technical design characteristics outward appearance and tradition are kept somewhere the needle and are acquainted mutually, and this needle body design has four independent chambeies, and the medicine can reach the different positions of thrombus through four chambeies and carry out dissolving of thrombus, and these four chambeies are located the different positions of needle body, and the plastic tubing that the needle was kept somewhere to the advantage is harder than the needle tubing is stayed to the tradition, passes through whole thrombus body easily, easy operation, and patient's misery is light, and is not high to the treatment environmental requirement, and manpower and material resources are with low costs.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an internal arteriovenous fistula dissolves embolia with keeping somewhere needle, includes injection needle (1), its characterized in that, be provided with injection mouth (2) in a plurality of regions on injection needle (1), injection needle (1) tip fixedly connected with end cap (3), end cap (3) are connected with into thorn point (4), injection needle (1) other end fixedly connected with solid fixed ring (5), be provided with protector on solid fixed ring (5), gu sliding connection has interior injection pipe (6) in fixed ring (5), it annotates the liquid hole to have a plurality of lateral walls of running through to seted up in interior injection pipe (6), interior injection pipe (6) outer end connection has handheld ring (7), be provided with control mechanism on handheld ring (7).
2. The indwelling needle for dissolving the embolus in the internal arteriovenous fistula according to claim 1, wherein the protective device comprises a thread groove formed on a fixing ring (5), a folding rubber layer (8) is fixedly connected to the side wall of the fixing ring (5), the other end of the folding rubber layer (8) is connected with a collision rubber ring (9), and a thread ring is arranged on the outer side wall of the collision rubber ring (9).
3. The indwelling needle for dissolving the embolus in the internal arteriovenous fistula according to claim 1, wherein the control mechanism comprises an air bag ball (10) fixedly connected with the end part of the internal injection tube (6), the outer side wall of the internal injection tube (6) is fixedly connected with an air bag ring (11), an air pressure cavity (12) is formed in the hand-held ring (7), and the side wall of the air pressure cavity (12) is provided with an annular hole penetrating through the side wall.
4. The indwelling needle for dissolving embolus in an arteriovenous internal fistula according to claim 3, which is characterized in that a connecting ring is connected in the annular hole in a sliding manner, one end of the connecting ring is connected with a pressing block (13), the other end of the pressing block (13) is connected with a piston (14), the piston (14) is connected with the side wall of the air pressure cavity (12) in a sliding manner, and the pressing block (13) is provided with an injection hole penetrating through the side wall.
5. The indwelling needle for dissolving the embolus in the internal arteriovenous fistula according to claim 3, wherein a connector is arranged on both sides of the air sac ring (11), a connector is arranged on the side wall of the air sac ball (10), the connector is connected with one side connector through a connecting pipe (15), the air pressure cavity (12) is connected with the other side connector through an air pipe (16), and the connecting pipe (15) and the air pipe (16) are both adhered on the side wall of the internal injection pipe (6).
6. The indwelling needle for dissolving the embolus in the arteriovenous internal fistula according to claim 2, wherein the puncturing tip (4) is conical, the interference rubber ring (9) is sleeved on the outer side wall of the injection needle tube (1), and an arc-shaped suction groove is formed on the interference rubber ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242132.6U CN211911756U (en) | 2020-03-03 | 2020-03-03 | Remaining needle for dissolving thrombus of internal arteriovenous fistula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242132.6U CN211911756U (en) | 2020-03-03 | 2020-03-03 | Remaining needle for dissolving thrombus of internal arteriovenous fistula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211911756U true CN211911756U (en) | 2020-11-13 |
Family
ID=73346264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020242132.6U Expired - Fee Related CN211911756U (en) | 2020-03-03 | 2020-03-03 | Remaining needle for dissolving thrombus of internal arteriovenous fistula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211911756U (en) |
-
2020
- 2020-03-03 CN CN202020242132.6U patent/CN211911756U/en not_active Expired - Fee Related
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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: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |