CN212213844U - A expansion guiding device for intervene treatment - Google Patents
A expansion guiding device for intervene treatment Download PDFInfo
- Publication number
- CN212213844U CN212213844U CN202020301819.2U CN202020301819U CN212213844U CN 212213844 U CN212213844 U CN 212213844U CN 202020301819 U CN202020301819 U CN 202020301819U CN 212213844 U CN212213844 U CN 212213844U
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- Prior art keywords
- sheath
- pipe
- handle
- neck
- side branch
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 238000002560 therapeutic procedure Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 claims description 13
- 230000010339 dilation Effects 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 7
- 210000000883 ear external Anatomy 0.000 claims description 6
- 238000013152 interventional procedure Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 5
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical compound FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000002439 hemostatic effect Effects 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 claims 1
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001802 infusion Methods 0.000 abstract description 2
- 210000004204 blood vessel Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 229940030225 antihemorrhagics Drugs 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000000025 haemostatic effect Effects 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- 229960004676 antithrombotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229940127089 cytotoxic agent Drugs 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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Abstract
An expansion guide device for interventional therapy comprises an expander, a side branch and an introducer sheath, wherein the expander penetrates through the side branch and the introducer sheath and is connected with the side branch, and the side branch is connected with the introducer sheath. The dilator tail end has the combination handle, the expansion pipe is worn out from the outer luer joint that combines the handle tail end, it has the neck ring to inlay on the combination handle, the inside locking screw thread of neck ring realizes being connected of collateral branch and dilator, the collateral branch includes the support, epitaxial pipe and zero port are blockked up, sealing connection between epitaxial pipe one end and the support, the other end is fixed with zero port is blockked up the bonding, the pipe sheath includes sheath handle, sheath pipe and crooked neck, the outer luer locking joint of support tail end realizes being connected of collateral branch and pipe sheath, crooked neck cover is on sheath pipe and sheath handle. Adopt the crooked neck of detachable, fixed sheath pipe prevents that the sheath pipe from taking place to buckle simultaneously, the utility model discloses can be used to clinical puncture intervene in the treatment operation to the guide effect of skin incision expansion and pipe class apparatus, the collateral branch can be used to the infusion, and doctor easy operation is convenient, has improved the security of using.
Description
Technical Field
The utility model relates to a catheter, especially an expanding catheter. The utility model relates to the field of medical equipment, especially, relate to an expansion guiding device for intervene treatment.
Background
Currently, in the field of treatment of cardiovascular diseases, interventional therapy is commonly employed. Because of its advantages of less bleeding, less trauma, reliability, safety, fewer complications, and fast recovery after operation, the catheter must be guided to a proper position during the interventional operation to perform the next operation, such as the delivery of antithrombotic agents, the delivery of chemotherapeutic agents, and the diagnosis and treatment of diseases. Currently, interventions are inserted by the Seldinger technique. The Seldinger technique uses a thin puncture needle to percutaneously puncture a guide wire, extracts the puncture needle, inserts an introducer sheath with a dilator through the guide wire, and once the introducer sheath is placed in a blood vessel, extracts the guide wire and the dilator, retains the introducer sheath, and then inserts other catheters for treatment. At present, a sheath fixing device is mainly a simple fixing device for preventing a catheter sheath from slipping off, the catheter is pinched by hands in the operation process, and the catheter sheath is easy to shift and bend in a mode of controlling the catheter sheath by the simple device and the hands.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing an expansion guide device for interventional therapy.
In order to solve the above problems, the dilation guide device for interventional therapy of the present invention comprises a dilator, a side branch and a catheter sheath. The dilator passes through the side branch and the catheter sheath and is connected with the side branch, the side branch is connected with the catheter sheath, the tail end of the dilator is provided with a combination handle, the combination handle is fixedly connected with a dilating tube, the dilating tube penetrates out from an external luer connector at the tail end of the combination handle, the combination handle is embedded with a neck ring, the internal locking thread of the neck ring realizes the connection of the side branch and the dilator, the side branch comprises a bracket, an external luer connector and a zero port stopper, the head end of the bracket is an internal luer connector, a hemostatic valve is arranged in the bracket and consists of two parts, namely a sealing film and a sealing sheet, one end of the external luer connector is hermetically connected with the bracket, the other end of the external luer connector is fixedly bonded with the zero port stopper, the catheter sheath comprises a sheath handle, a sheath tube and a bending neck, the head end of the sheath handle is the internal luer connector, the external luer locking connector at the tail end of the bracket realizes, the bending neck is provided with an external ear with a hole.
The tail end of the combination handle is a 6% standard external luer connector, a neck ring is embedded on the combination handle, and the neck ring is buckled and connected with the combination handle through external force.
Be equipped with the hemostasis valve in the support, the hemostasis valve comprises seal membrane and gasket two parts, and the seal membrane is equipped with a word opening and pierces through the gap, and the gasket is equipped with circular aperture and pierces through the gap.
The support and the epitaxial tube are fixedly bonded through quick-drying glue, and the tail end of the epitaxial tube and the zero port block are fixedly bonded through cyclohexanone.
The zero port blockage tail end is a 6% standard female luer connector and can be connected with a three-way valve with a 6% standard male luer locking connector.
The support head end is a 6% standard internal luer connector, and the support head end can be connected with the dilator through the locking thread of the neck ring.
The head end of the sheath handle is provided with a 6% standard inner luer connector which is connected with a standard outer luer locking connector with a 6% outer luer locking connector at the tail end of the bracket.
The combined handle and the expansion pipe are made of HDPE (high density polyethylene) materials and have good wear resistance, toughness and creep resistance, the sealing film and the sealing sheet are made of silica gel materials and have good hardness, sealing performance and biocompatibility, and the sheath handle and the sheath pipe are made of FEP (perfluoroethylene propylene copolymer) and have wear resistance, elasticity and biocompatibility.
The locking thread is complementary with the locking thread of the sheath handle, and the locking thread can stably lock the bent neck sleeved on the sheath tube on the sheath handle.
The bending neck is a thermoplastic elastomer, and the surface distributes a lot of trapezoidal recesses, and trapezoidal recess provides certain cushioning effect for the deformation of bending neck and sheath pipe, can protect the sheath pipe, prevents that the sheath pipe from taking place to buckle.
The bending neck is provided with an external ear with a hole, and the external ear can fix and sew the catheter sheath at a set position.
The beneficial results of the utility model are that, in the interventional therapy process, the pipe is put into and is probably taken place slight aversion along with heart beat or patient's removal after the human body, and the perfluoroethylene propylene copolymer that coefficient of friction is minimum can be selected to the pipe sheath material, can prevent that pipe wearing and tearing and reduction from to the injury of skin well, and crooked neck is a thermoplastic elastomer, has the high elasticity, and has fine biocompatibility, prevents the pipe sheath slippage and buckles, and then provides an expansion guider for interventional therapy.
Drawings
FIG. 1 is a schematic view of the dilation guide assembly dilator, side branch and sheath assembly of the present invention;
fig. 2 is a schematic view of the dilator of the dilation guide of the present invention;
fig. 3 is a side view of the dilation guide apparatus of the present invention;
fig. 4 is a schematic view of the catheter sheath of the dilatation guide device of the present invention;
fig. 5 is a partial exploded view of the side branch of the dilation guide apparatus of the present invention;
fig. 6 is an exploded view of the catheter sheath of the dilatation and guidance device of the present invention.
In the figure: 1. dilator, 2. side branch, 3. introducer sheath, 11. coupling handle, 12. collar, 13. dilation tube, 21. stent, 22. extension tube, 23. harbor-free occlusion, 24. sealing membrane, 25. sealing sheet, 31. sheath handle, 32. sheath tube, 33. curved neck, 311. locking ridge, 331. external ear with hole, 332. trapezoidal groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings in the embodiments of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to the attached drawing 1, the dilation guiding device for interventional therapy of the present invention comprises a dilator (1), a side branch (2) and a catheter sheath (3), wherein the dilator (1) passes through the side branch (2) and the catheter sheath (3) and is connected with the side branch (2), and the side branch (2) is connected with the catheter sheath (3). Internal locking threads of the collar (12) realize that the collateral branch (2) is connected with the dilator (1), the catheter sheath (3) comprises a sheath handle (31), a sheath tube (32) and a bent neck (33), the head end of the sheath handle (31) is an inner luer connector, an outer luer locking connector at the tail end of the bracket (21) realizes the collateral branch (2) and the catheter sheath (3) is connected, the sheath handle (31) is fixedly connected with the sheath tube (32), and the bent neck (33) is sleeved on the sheath tube (32) and the sheath handle (31).
Referring to the attached drawing 2, an expansion pipe (13) is fixedly connected to the combining handle (11), the expansion pipe (13) penetrates out of an external luer connector at the tail end of the combining handle (11), a neck ring (12) is embedded in the combining handle (11), and the neck ring (12) and the combining handle (11) are buckled and connected through external force.
Referring to fig. 3, the side branch (2) comprises a bracket (21), an extension tube (22) and a zero port block (23), wherein the head end of the bracket (21) is provided with a female luer connector, one end of the extension tube (22) is hermetically connected with the bracket (21), and the other end of the extension tube is fixedly bonded with the zero port block (23).
Referring to fig. 4, the introducer sheath includes a sheath handle (31), a sheath tube (32), and a curved neck (33), the curved neck (33) being provided with a perforated concha (331).
Referring to fig. 5, a haemostatic valve is provided in the stent (21) of the side branch (2), the haemostatic valve comprising a sealing membrane (24) and a sealing disc (25). The sealing film (24) is provided with a straight-line opening penetrating slit, and the sealing sheet (25) is provided with a round small-hole penetrating slit which can enable the dilator (1) to penetrate through the middle. Preventing blood from leaking out of the side branch during interventional procedures.
Referring to fig. 6, the joint of the tail end of the sheath handle (31) and the sheath tube (32) is provided with locking grains (311) which are matched with the locking grains at the head end of the bending neck (33) to fix the bending neck (33) so that the bending neck (33) can be kept connected with the sheath handle (31) and the sheath tube (32), and the bending neck (33) is provided with an external ear (331) with a hole and a trapezoidal groove (332) to be easy to suture and fix the catheter sheath (3).
Example 1:
the side branch (2) is connected with a catheter sheath (3) to form a passage for other interventional instruments to enter the blood vessel.
A zero port block (23) at the end of the extension tube (22) is connected to a three-way valve with a male luer lock fitting, and the side branch (2) connected by the three-way valve is available for infusion.
The dilator (1) is threaded into the side branch (2) and the catheter sheath (3) to form a complete catheter sheath device (as shown in figure 1).
After the guide wire is placed into the blood vessel through the puncture needle, the connected catheter sheath device is placed into the blood vessel through the guide wire.
The guide wire and the dilator (1) are withdrawn, the catheter sheath (3) is left in the blood vessel, and the medicine can be injected into the blood vessel through the side branch (2) part.
Other interventional devices can enter the blood vessel through the channel formed by the side branch (2) and the catheter sheath (3) for diagnosis or treatment, and if the indwelling is needed in the body, the interventional devices can be sutured on the skin through the bent neck (33) on the catheter sheath for subsequent treatment.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (8)
1. An expansion guide device for interventional therapy is characterized by comprising an expander (1), a side branch (2) and a catheter sheath (3), wherein the expander (1) penetrates through the side branch (2) and the catheter sheath (3) and is connected with the side branch (2), the side branch (2) is connected with the catheter sheath (3), the tail end of the expander is provided with a combination handle (11), an expansion pipe (13) is fixedly connected onto the combination handle (11), the expansion pipe (13) penetrates out from an external luer connector at the tail end of the combination handle (11), a collar (12) is embedded onto the combination handle (11), internal locking threads of the collar (12) realize the connection of the side branch (2) and the expander (1), the side branch (2) comprises a support (21), an external extension pipe (22) and a zero port blocking plug (23), the head end of the support (21) is provided with an internal luer connector, be equipped with hemostatic valve in support (21), hemostatic valve comprises sealing membrane (24) and gasket (25) two parts, sealing connection between extension pipe (22) one end and support (21), the other end and zero harbour block (23) bonding fixed, catheter sheath (3) are including sheath handle (31), sheath pipe (32) and crooked neck (33), sheath handle (31) head end is interior luer joint, and the outer luer lock joint of support (21) tail end realizes collateral branch (2) with catheter sheath (3) is connected, fixedly connected with sheath pipe (32) on sheath handle (31), sheath handle (31) tail end has locking thread (311), crooked neck (33) cover on sheath pipe (32) and sheath handle (31), be equipped with foraminiferous external ear (331) on crooked neck (33).
2. Expansion guide for interventional procedures according to claim 1, characterized in that the collar (12) and the coupling stem (11) are snap-connected by external force.
3. Dilation guide according to claim 1, characterized in that the sealing membrane (24) is provided with a straight opening through slit and the sealing plate (25) is provided with a circular small hole through slit.
4. Dilatation guide for interventional procedures according to claim 1, characterized in that the extension tube (22) and the stent (21) are fixed by quick-drying glue adhesion, the tail end of the extension tube (22) and the zero port block (23) being fixed by cyclohexanone adhesion.
5. Dilatation guide for interventional procedures according to claim 1 characterized in that the zero port blockage (23) ends with a female luer connector connectable to a three way valve with a male luer locking connector.
6. The dilation guide device for interventional therapy according to claim 1, wherein the coupling handle (11) and the dilation tube (13) are made of HDPE (high density polyethylene) material with good wear resistance, toughness and creep resistance, the sealing membrane (24) and the sealing sheet (25) are silicone material, and the sheath handle (31) and the sheath (32) are FEP (perfluoroethylene propylene copolymer).
7. The dilation guide device for interventional procedures as set forth in claim 1, wherein the curved neck (33) has locking threads corresponding to sheath locking threads (311) complementary to the sheath locking threads (311) for securely locking the curved neck (33) over a sheath to a sheath (31).
8. The dilation guide device for interventional procedure according to claim 1, wherein the bending neck (33) is made of TPE, a thermoplastic elastomer, and a plurality of trapezoidal grooves (332) are distributed on the surface of the thermoplastic elastomer, the trapezoidal grooves (332) provide a certain buffering effect for the deformation of the bending neck (33) and the sheath (32), and the bending neck (33) protects the sheath (32) and prevents the sheath from bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301819.2U CN212213844U (en) | 2020-03-12 | 2020-03-12 | A expansion guiding device for intervene treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020301819.2U CN212213844U (en) | 2020-03-12 | 2020-03-12 | A expansion guiding device for intervene treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212213844U true CN212213844U (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020301819.2U Active CN212213844U (en) | 2020-03-12 | 2020-03-12 | A expansion guiding device for intervene treatment |
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| Country | Link |
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| CN (1) | CN212213844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118044862A (en) * | 2024-01-30 | 2024-05-17 | 首都医科大学附属北京安贞医院 | A transseptal puncture needle sheath |
-
2020
- 2020-03-12 CN CN202020301819.2U patent/CN212213844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118044862A (en) * | 2024-01-30 | 2024-05-17 | 首都医科大学附属北京安贞医院 | A transseptal puncture needle sheath |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 264209 288-7 Shanhai Road, torch hi tech Industrial Development Zone, Weihai City, Shandong Province Patentee after: Shandong Baixin Medical Products Co.,Ltd. Address before: No.68, Dalian Road, Yiyuan street, Weihai City, Shandong Province Patentee before: JW ICU MEDICAL Ltd. |