CN213220075U - Injection device for endoscope - Google Patents
Injection device for endoscope Download PDFInfo
- Publication number
- CN213220075U CN213220075U CN202021564027.0U CN202021564027U CN213220075U CN 213220075 U CN213220075 U CN 213220075U CN 202021564027 U CN202021564027 U CN 202021564027U CN 213220075 U CN213220075 U CN 213220075U
- Authority
- CN
- China
- Prior art keywords
- input
- pipeline
- output
- input pipeline
- fluid
- 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.)
- Active
Links
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 238000006073 displacement reaction Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 238000011282 treatment Methods 0.000 description 10
- 239000003106 tissue adhesive Substances 0.000 description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 208000005189 Embolism Diseases 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 208000000624 Esophageal and Gastric Varices Diseases 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000012277 endoscopic treatment Methods 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920002884 Laureth 4 Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 206010046996 Varicose vein Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000000151 anti-reflux effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 229940021013 electrolyte solution Drugs 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000007232 portal hypertension Diseases 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 229940075469 tissue adhesives Drugs 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 208000027185 varicose disease Diseases 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Abstract
The utility model provides an injection device for endoscope, which comprises a far-end puncture component; the fluid conveying component is connected with the distal puncture component and is an elongated hollow pipeline; a proximal operating member coupled to the fluid delivery member; a channel selection member connected to the proximal operation member; the channel selection component comprises an input pipeline and an output pipeline, wherein the input pipeline comprises a first input pipeline and a second input pipeline; the channel selection component also comprises an adjusting part and a fixing part, wherein the adjusting part can move relative to the fixing part so that the output pipeline and the input pipeline can generate relative displacement, and the output pipeline can be butted with the first input pipeline or the second input pipeline respectively; the output conduit has a boss for coupling with the input conduit; the boss projects beyond the outer contour of the retainer and, upon injection of fluid, defines the input and output conduits in coaxially abutting relative positions so that multiple syringes may be connected simultaneously.
Description
Technical Field
The utility model relates to the technical field of medical appliances, especially an injection device for scope.
Background
Esophageal and gastric varices are complications of portal hypertension, the variceal vein is ruptured to bleed, the condition is fierce, and the death rate of acute massive bleeding is high. For esophageal and gastric variceal bleeding, the treatment means comprises medication, endoscopic treatment, interventional treatment, surgical treatment and the like. The endoscopic treatment method comprises ligation treatment, hardening treatment, tissue adhesive injection treatment, titanium clip hemostasis and the like.
The "sandwich method" is a method commonly used in tissue adhesive injection therapy, and generally adopts the injection strategy as follows: saline → tissue adhesive → air → saline; there are also other injection strategies, which introduce glucose solution, iodized oil or lauromacrogol, etc. to improve the effect of embolism treatment. When the sandwich method is used for treatment, two persons are required to cooperate, and syringes pre-filled with different injections are used in an alternate connection mode. Tissue adhesives, upon encountering water, electrolyte solutions or blood, undergo a rapid polymerization reaction to form an embolus, thereby occluding the varicose veins.
The injection needle for the current endoscope can be connected with only one injector, and in the process of injecting by a sandwich method, because the polymerization reaction speed is high, two persons are required to operate to avoid the blockage of the injection needle, and the action is required to be rapid and be matched with tacit. The process faces to the disassembly, assembly and replacement of the injector for many times, the operation is complex, the workload is large, the operation time is prolonged, and the potential risks of influencing the operation effect and causing the operation failure are avoided. The method of adding a three-way or four-way switch at the near end of the injection needle enables the injection operation to be completed by one person, the injector does not need to be replaced in the operation, but the knob on the switch still needs to be operated for many times when the injection is switched, the closing operation and the opening operation need to be carried out once for each replacement, and the workload is still large in the operation.
The prior art discloses a disposable anti-reflux injection needle for an endoscope, which is characterized in that a multi-way switch is added at the rear part of the injection needle for the endoscope, a knob structure is cancelled in the multi-way switch, and a one-way valve is added in each input tube to control the one-way flow of injection. Although the structure can realize the simultaneous connection of a plurality of syringes, the time for operating a multi-way switch and the connection time for the matching operation of two persons are saved, the blockage of the injection needle pipeline is easy to cause. In the input tube with the structure, the area from the one-way valve to the junction of a plurality of input tubes has partial liquid residue when the current liquid injection is finished, and if the injection strategy of 'normal saline + tissue adhesive' or other injection liquid which can cause the polymerization reaction of the tissue adhesive is adopted, the liquid residue can cause blockage in the subsequent injection, and the blockage risk is higher especially in the operation which needs repeated injection.
Therefore, it is necessary to design an injection device for an endoscope, which can connect a plurality of syringes at the same time and is not easy to cause the blockage of the needle tube.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming the defects of the prior art, the utility model provides an injection device for endoscope, it can connect a plurality of syringes simultaneously.
The utility model provides a technical scheme that above-mentioned technical problem adopted is an injection device for scope, include:
a distal penetration member;
a fluid transport component connected to the distal piercing component, the fluid transport component being an elongated hollow tube;
a proximal operating member connected to the fluid delivery member;
a channel selection member connected with the proximal operation member;
the channel selection component comprises an input pipeline and an output pipeline, wherein the input pipeline comprises a first input pipeline and a second input pipeline;
the channel selection component further comprises an adjusting part and a fixing part, wherein the adjusting part can move relative to the fixing part to enable the output pipeline and the input pipeline to generate relative displacement, so that the output pipeline can be respectively butted with the first input pipeline or the second input pipeline;
the output conduit having a boss for coupling with an input conduit;
the boss projects outwardly of the outer profile of the fixed portion, the boss defining the input and output conduits in coaxially abutting relative positions upon injection of fluid.
Preferably, the adjusting part is provided with a knob which is used for synchronously controlling the adjusting part and switching the input pipeline which is butted with the output pipeline so as to realize the selection of the fluid input pipeline.
Preferably, the channel selection member has a channel indication mark provided on a knob, the channel indication mark being directed towards the proximal end of the output conduit in the direction of the output conduit.
Preferably, the proximal end of the output conduit and/or the distal end of the input conduit has an elastomeric seal
Preferably, a limiting structure is arranged between the adjusting part and the fixing part, and the relative position of the adjusting part and the fixing part can be limited to a position where the distal end of the input pipeline is coaxially opposite to the proximal end of the output pipeline.
Preferably, the proximal ends of the output pipes protrude outwards from the adjusting portion to form limiting convex portions, the distal ends of the input pipes are recessed into the fixing portion to serve as limiting concave portions, and when the adjusting portion and the fixing portion rotate relatively, the limiting convex portions and the limiting concave portions are coupled so that the distal ends of the input pipes are coaxially opposite to the proximal ends of the output pipes.
Preferably, the distal ends of a plurality of the input pipes protrude outwards from the fixing part to form a limiting convex part, the proximal ends of the output pipes are sunken into the adjusting part to serve as a limiting concave part, and when the adjusting part and the fixing part rotate relatively, the limiting convex part and the limiting concave part are coupled, so that the distal ends of the input pipes are coaxially opposite to the proximal ends of the output pipes.
Preferably, the input pipeline interface and the output pipeline interface adopt luer interfaces.
Preferably, the adjusting portion has a passage indicating mark indicating an input pipe which is docked with the output pipe in a current state.
Preferably, in order to distinguish different injections, several of said input ducts may have different mutually distinguishable appearances of colour, shape, size, markings, etc.
Preferably, the input pipes and the output pipes are arranged in the same plane, and the adjusting portion rotates relative to the fixing portion with an axis perpendicular to the plane as a rotation axis.
Preferably, a plurality of the input conduit distal end portions are arranged in a plane perpendicular to the output conduit, the adjusting portion rotates relative to the fixed portion with the axis of the output conduit port as a rotation axis,
preferably, in order to isolate the injection agent in the syringe from the injection agent in the injection needle, the proximal end of the output conduit or the distal end of the input conduit is provided with a one-way valve.
Preferably, an elastic member for improving the sealing performance is arranged between the proximal end of the output pipeline and the distal end of the input pipeline.
Preferably, the output pipeline and the adjusting part, and the input pipeline and the fixing part are integrally formed.
Compared with the prior art, the utility model have following advantage and effect:
1. the injection device for the endoscope comprises a channel selection component, a near-end operation component, a fluid conveying component and a far-end puncture component, wherein the channel selection component is provided with at least 2 input pipelines, so that a plurality of injectors pre-filled with different injections can be connected at the same time, and the operation of replacing the injectors in the operation is saved; the channel selection member has a fixed portion and an adjustment portion that is rotated by a knob on the adjustment portion to align the proximal end of the output conduit with the desired distal end of the input conduit.
2. The knob is provided with a channel indicating mark which can indicate an input pipeline communicated with the output pipeline in the current state, thereby prompting an operator of the currently connected injection.
3. The proximal end of the output pipeline and/or the distal end of the input pipeline are/is provided with an elastic sealing element, so that the fluid in the channel cannot leak due to the sealing property in the process of switching the input pipelines by operating the knob, and the fluid in the input pipeline and the fluid in the output pipeline are isolated from each other when the injector is not pressed, thereby avoiding unexpected embolism.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be 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 according to these drawings without inventive labor.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of a channel selection member when selecting the second input pipeline according to an embodiment of the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a side view of fig. 2.
Fig. 5 is a sectional view a-a of fig. 4.
Fig. 6 is a front view of the channel selection member when the first input pipe is selected according to the present invention.
Fig. 7 is a side view of fig. 6.
Fig. 8 is a sectional view a-a of fig. 7.
Description of reference numerals: 10. an endoscope injection device 20, a channel selection part 21, an input pipeline 21a, a first input pipeline 21b, a second input pipeline 21c, a third input pipeline 22a, a first input pipeline interface 22b, a second input pipeline interface 22c, a third input pipeline interface 23, a fixing part 24, an adjusting part 25, a knob 26, a channel indication mark 27, an output pipeline 28, an output pipeline interface 29, a bulge 291, an elastic sealing part 30, a near end operation part 40, a fluid conveying part 50 and a far end puncture part.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, the term "proximal end" and "distal end" as used herein refers to a side facing an operator in a direction along a length direction of an injection device for an endoscope (the injection device for an endoscope is usually in a long line shape because the injection device is sent into a human body through an endoscope for injection), or a side facing the operator in a direction along the direction in which the injection device for an endoscope enters the human body in a treatment direction is a "proximal end" and a "distal end" as a side extending into the human body for treatment. The term "proximal" or "distal" of a certain part means that the side of the certain part facing the operator is the "proximal" of the certain part, and the side of the certain part facing the human body to be treated is the "distal" of the certain part.
An injection device 10 for an endoscope, as shown in fig. 1, includes a channel selection member 20, a proximal operation member 30, a fluid transport member 40, and a distal puncturing member 50; the distal end of channel selection member 20 is connected to the proximal end of proximal operating member 30, the proximal end of fluid delivery member 40 is connected to the distal end of proximal operating member 30, and the distal end of fluid delivery member 40 is connected to distal penetration member 50.
As shown in fig. 2 to 8, the channel selection member 20 includes an input duct 21, an output duct 27, a fixing portion 23, and an adjusting portion 24; the input ducts 21 comprise a first input duct 21a, a second input duct 21b, a third input duct 21 c; the first, second and third supply lines 21a, 21b, 21c each comprise a first supply line connection 22a, a second supply line connection 22b and a third supply line connection 22c, which may be embodied as luer connections 22a, 22b and 22 c. The fixing portion 23 has a space therein for accommodating the regulating portion 24. The outlet conduit 27 is connected to a proximal operating member 30 via an outlet conduit interface 28 at its distal end, which outlet conduit interface 28 may be embodied as a luer fitting. The outlet conduit 27 has a boss 29 at a proximal end, and the outlet conduit 27 forms an interference connection with the distal end of the first, second or third inlet conduit 21a, 21b, 21c via the boss 29. The projection 29 protrudes from the outer contour of the regulating portion 24 as a limit projection, while the distal ends of the first inlet conduit 21a, the second inlet conduit 21b and the third inlet conduit 21c are recessed into the fixing portion 23 as a limit recess. The knob 25 is fixedly connected to the main body of the adjustment portion 24 by welding or the like, and synchronously controls the rotation of the adjustment portion 24 with respect to the fixed portion 23. The knob 25 is provided with visually accessible channel indication marks 26, moulded, printed or etched, indicating the connection between the first 21a, second 21b or third 21c inlet duct and the outlet duct 27. The region where the boss 29 is directly connected to the distal end of the inlet pipe 21 has an elastic seal 291 that provides good sealing, and the elastic seal 291 functions as a check valve.
When the sandwich method is used for injection treatment of esophageal and gastric varices, the first input pipeline 21a, the second input pipeline 21b and the third input pipeline 21c are respectively connected with an injector pre-filled with physiological saline, tissue adhesive and air through the first input pipeline interface 22a, the second input pipeline interface 22b and the third input pipeline interface 22 c. Rotating the knob 25 so that the channel indicator 26 points to the first input channel 21a (shown in fig. 6 to 8) to which the syringe containing the saline is connected, and the first input channel 21a is in contact with the output channel 27, pushing the syringe to inject the desired amount of saline to the target site; stopping pressing the syringe, rotating the knob 25 so that the channel indicator 26 points to the second input channel 21b (shown in fig. 3 to 5) to which the syringe containing tissue adhesive is connected, at which time the second input channel 21b is docked with the output channel 27, and pressing the syringe to inject the desired amount of tissue adhesive to the target site; stopping pressing the syringe, rotating the knob 25 so that the channel indicator 26 points to the third input channel 21c (not shown) to which the syringe containing air is connected, at which time the third input channel 21c is docked with the output channel 27, and pressing the syringe to inject the desired amount of air to the target site; the above steps are repeated, and the required amount of physiological saline is injected to the target site again. During the rotation of the knob 25, the limit convex part formed by the convex part 29 at the proximal end of the output pipeline and the limit concave part formed by the input pipeline 21 can be coupled, so that the input pipeline 21 and the output pipeline 27 are ensured to be coaxially opposite when the rotation operation is stopped, and the dislocation of the two during the butt joint can be prevented. The elastic seal 291, which is located at the point where the boss 29 is directly connected to the distal end of the inlet conduit 21, remains closed during rotation, keeping the fluid between the boss 29 and the fixed part 23 isolated from each other, and the elastic seal 291 is in an open state if and only if the currently docked syringe is pushed, at which time fluid can flow from the inlet conduit 21 into the outlet conduit 27 via the elastic seal 291.
In addition, it should be noted that the specific embodiments described in the present specification may differ in the shape of the components, the names of the components, and the like. All equivalent or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (4)
1. An injection device for an endoscope, comprising:
a distal penetration member;
a fluid transport component connected to the distal piercing component, the fluid transport component being an elongated hollow tube;
a proximal operating member connected to the fluid delivery member;
a channel selection member connected with the proximal operation member;
the channel selection component comprises an input pipeline and an output pipeline, wherein the input pipeline comprises a first input pipeline and a second input pipeline;
the channel selection component further comprises an adjusting part and a fixing part, wherein the adjusting part can move relative to the fixing part to enable the output pipeline and the input pipeline to generate relative displacement, so that the output pipeline can be respectively butted with the first input pipeline or the second input pipeline;
the output conduit having a boss for coupling with an input conduit;
the boss projects outwardly of the outer profile of the fixed portion, the boss defining the input and output conduits in coaxially abutting relative positions upon injection of fluid.
2. The endoscope injection apparatus according to claim 1, wherein the adjustment portion has a knob for synchronously controlling the adjustment portion to switch the input tube interfacing with the output tube to effect selection of the fluid input tube.
3. The endoscope injection apparatus according to claim 2, wherein the passage selection member has a passage indicating mark provided on a knob, the passage indicating mark being directed toward the proximal end of the output tube in the direction of the output tube.
4. The endoscopic injection apparatus as defined in claim 1 or 2, wherein said output tube proximal end and/or said input tube distal end has an elastic seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564027.0U CN213220075U (en) | 2020-07-31 | 2020-07-31 | Injection device for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021564027.0U CN213220075U (en) | 2020-07-31 | 2020-07-31 | Injection device for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213220075U true CN213220075U (en) | 2021-05-18 |
Family
ID=75891690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021564027.0U Active CN213220075U (en) | 2020-07-31 | 2020-07-31 | Injection device for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213220075U (en) |
-
2020
- 2020-07-31 CN CN202021564027.0U patent/CN213220075U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5575767A (en) | Method and apparatus for high pressure one-way fluid valving in angiography | |
| JP5178198B2 (en) | Apparatus and method for intraperitoneal pressure monitoring | |
| US5833662A (en) | Hemostasis cannula system | |
| JP4187071B2 (en) | Angiographic fluid control system | |
| JP2010531693A (en) | Device for introducing a catheter guide wire into a blood vessel | |
| EP2205308B1 (en) | Coupling device | |
| JP4559235B2 (en) | Distribution device for a supply network for supplying medical fluid to a patient | |
| US20040225180A1 (en) | Aspiration and flushing needle | |
| US9730661B2 (en) | Manifold valve device | |
| CN213220075U (en) | Injection device for endoscope | |
| CN217611219U (en) | Cavity tube adjusting instrument | |
| CN214181353U (en) | Injection device and injection system | |
| CN111956893B (en) | Closed bladder irrigation device | |
| CN209826906U (en) | Sheath tube for neck blood vessel and external connection kit | |
| CN214343774U (en) | Water injection auxiliary device for tumescence anesthesia | |
| CN214181343U (en) | Multi-medium injection device and injection system thereof | |
| CN218458393U (en) | Puncture type temporary flow diversion device for artery | |
| CN220090144U (en) | Disposable double-channel intravenous injection needle | |
| CN220175174U (en) | Disposable varicose vein injection needle | |
| CN219398519U (en) | Double-cavity injection needle | |
| CN220938763U (en) | Arterial catheter assembly for liver and kidney acquisition operation | |
| CN213722221U (en) | Connecting assembly for assembling uterine cavity water bag | |
| CN112121259A (en) | Water injection auxiliary device for tumescence anesthesia | |
| CN213374306U (en) | Bladder irrigation three-way converter | |
| CN220142258U (en) | Intracavity aspirator for surgical robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210728 Address after: No. 966, Huaihai Middle Road, Xuhui District, Shanghai 200030 Patentee after: SHANGHAI XUHUI DISTRICT CENTRAL Hospital Address before: No.195, beishijianong, Huangpu District, Shanghai 200001 Patentee before: Guo Qi |