CN113231214B - Chamber mirror cooperation pipe - Google Patents
Chamber mirror cooperation pipe Download PDFInfo
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- CN113231214B CN113231214B CN202110443142.5A CN202110443142A CN113231214B CN 113231214 B CN113231214 B CN 113231214B CN 202110443142 A CN202110443142 A CN 202110443142A CN 113231214 B CN113231214 B CN 113231214B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0408—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing two or more liquids
Abstract
The invention discloses an endoscope matching tube, which comprises a double-cavity catheter, a connector and a nozzle, wherein the double-cavity catheter is provided with a first channel and a second channel which are mutually separated; the connector is connected to one end of the double-cavity catheter and is provided with a first liquid medicine flow passage and a second liquid medicine flow passage, the first liquid medicine flow passage is communicated with the first channel, and the second liquid medicine flow passage is communicated with the second channel; the shower nozzle is connected in the one end that deviates from the connector of two-chamber pipe, has the hybrid chamber in the shower nozzle, and the shower nozzle is including locating the mixed structure in the hybrid chamber, and first passageway and second passageway all set up with the hybrid chamber intercommunication for the second liquid medicine that will be got into by the first liquid medicine runner and get into by the second liquid medicine runner all channels into the hybrid chamber, mixes via the hybrid structure. The technical scheme of the invention can improve the effects of stopping bleeding and sealing the wound surface of the medicine obtained by mixing the A, B components.
Description
Technical Field
The invention relates to the technical field of surgical instruments, in particular to an endoscope matching tube.
Background
The porcine fibrin adhesive is used in the field of surgical operations and can treat venous bleeding or oozing blood during the operation. The material can be extracted from pig blood and can simulate the final stage of human coagulation mechanism, so that the material is formed into a conventional fibrin net by a common artificial mode in the medical field to play the roles of stopping bleeding and sealing a wound surface.
The porcine fibrin adhesive is composed of A, B two components. The component A is fibrinogen and the component B is thrombin. A. After the component B is mixed, the component B can be solidified into colloid within 3-5 seconds.
In abdominal cavity operation, an endoscope and an endoscope matching tube for administration need to establish a working channel by minimally invasive punching on the abdomen of a human body in a sticking and poking mode. At present, endoscope matching tubes used in the same technology are used for respectively connecting two joints with two ports of an injector filled with A, B two components, A, B the two components are transported from the joints through two delivery tubes and then are respectively integrated into a double-cavity catheter through a connector, and finally are transported to a human body part through the double-cavity catheter, and the negative effect caused by the design is that the drug outlet ports of the double-cavity catheter are two holes which are arranged side by side and can not uniformly mix A, B the two components, so that the effects of hemostasis by drugs and wound surface sealing are reduced.
Disclosure of Invention
The invention mainly aims to provide an endoscope matching tube, aiming at improving the effects of medicine hemostasis and wound surface sealing obtained by mixing A, B components.
In order to achieve the above object, the present invention provides a matching tube for endoscope, comprising:
a double lumen catheter having a first channel and a second channel separated from each other;
the connector is connected to one end of the double-cavity catheter and is provided with a first liquid medicine flow channel and a second liquid medicine flow channel, the first liquid medicine flow channel is communicated with the first channel, and the second liquid medicine flow channel is communicated with the second channel; and
the shower nozzle, the shower nozzle connect in deviating from of two-chamber pipe the one end of connector, the hybrid chamber has in the shower nozzle, the shower nozzle is including locating the mixed structure of hybrid chamber, first passageway with the second passageway all with the hybrid chamber intercommunication sets up, be used for with by the first liquid medicine that first liquid medicine runner got into and by the second liquid medicine that second liquid medicine runner got into all channels into the hybrid chamber, with the via the hybrid structure mixes.
Optionally, the hybrid structure comprises:
a cylinder disposed through the mixing chamber;
the flow-resisting convex ribs are arranged on the side wall of the cylinder and are spirally arranged along the axial direction of the cylinder.
Optionally, the plurality of flow blocking ribs are arranged in pairs, and the two paired flow blocking ribs are respectively positioned on two sides of the column body; a plurality of pairs of flow blocking convex ribs are arranged at intervals along the axial direction of the cylinder; and two adjacent pairs of flow blocking convex ribs are arranged in a staggered manner in the circumferential direction of the column body.
Optionally, the mixed structure further includes a column bottom, the column bottom is disposed at one end of the column body facing the dual-lumen catheter, a strip-shaped groove is disposed on a surface of the column bottom facing away from the column body, the strip-shaped groove extends along a radial direction of the column body, and a leading-in hole penetrating to the other side of the column bottom is disposed on a bottom wall at two ends of the strip-shaped groove;
the first channel and the second channel are communicated with the strip-shaped groove, so that the first liquid medicine and the second liquid medicine are injected into the mixing cavity through the strip-shaped groove and the two introduction holes.
Optionally, the sprayer further comprises a cylinder and an end cover, one end of the cylinder is connected with one end of the double-cavity conduit away from the connector, and the cylinder is internally provided with the mixing cavity;
the end cover is arranged at one end, deviating from the double-cavity catheter, of the barrel to seal the mixing cavity, the end cover faces the surface of the cylinder, a gathering groove is formed in the surface of the cylinder, and an atomization outlet communicated with the outside is formed in the bottom wall of the gathering groove.
Optionally, the mixing structure further includes a column head, the column head is disposed at one end of the column body facing away from the dual-lumen catheter and is inserted into the converging groove, an end surface of the column head facing away from the column body abuts against a groove bottom wall of the converging groove, and at least a part of a side wall of the column head is spaced from the groove side wall of the converging groove;
and a diversion trench communicated with the atomization outlet is formed in the area, which is not covered by the column cap, of the bottom wall of the convergence trench.
Optionally, the cylinder comprises a connecting section and a mixing section which are connected, and the mixing section is provided with the mixing cavity therein;
the connecting section back to the end face of the mixing section is provided with a mounting groove, the bottom wall of the mounting groove is provided with a through hole communicated with the mixing cavity, and one end of the double-cavity catheter departing from the connector is inserted into the mounting groove.
Optionally, the double-lumen catheter comprises a main tube and a deformable framework, the main tube is provided with a first channel and a second channel which are separated from each other, and the deformable framework is arranged in the main tube in a penetrating mode and is arranged at intervals with the first channel and the second channel.
Optionally, the connector comprises:
the medicine guide device comprises a connecting seat, a medicine guide device and a medicine guide device, wherein two medicine guide channels which are mutually spaced are arranged in the connecting seat, and are respectively communicated with the first channel and the second channel;
each pipeline is communicated with one medicine guide channel;
two connectors, each connector is communicated with one conduit; and
the connector and the connecting seat are clamped and fixed between the first cover body and the second cover body.
Optionally, a positioning column is convexly arranged on the cavity wall of the inner cavity of the shell, a positioning lug is arranged on the side wall of the connecting seat, and the positioning column penetrates through the positioning lug;
and/or a positioning groove is formed in the cavity wall of the inner cavity of the shell, a positioning block is convexly arranged on the side wall of the joint, and the positioning block is inserted into the positioning groove.
In the structure of the endoscope matching tube, A, B components are respectively led into a first liquid medicine flow passage and a second liquid medicine flow passage of a connector through a syringe, the first liquid medicine flow passage is communicated with a first passage of a double-cavity catheter, the second liquid medicine flow passage is communicated with a second passage of the double-cavity catheter, and A, B components flow out of the double-cavity catheter and then enter a mixing cavity in a spray head to be mixed by a mixing structure in the spray head, so that the mixing uniformity of A, B components is improved. Understandably, the spray head is arranged at the tail part of the double-cavity catheter, and the mixing structure is arranged in the spray head, so that the problem that the two components of A, B cannot be uniformly mixed due to the fact that the two holes in parallel are arranged at the medicine outlet port of the double-cavity catheter is solved, the uniformity of mixing of A, B components is improved, and the using effect of the medicine is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a cavity mirror mating tube of the present invention;
FIG. 2 is a schematic view of the connector of FIG. 1 with the first cover disassembled;
FIG. 3 is a cross-sectional view of the sprinkler head of FIG. 1;
FIG. 4 is a schematic diagram showing the disassembled structure of the nozzle tip and the double-lumen catheter of FIG. 1;
FIG. 5 is a schematic structural view of an end face of the dual lumen tube of FIG. 1;
FIG. 6 is an exploded view of the sprinkler head of FIG. 1;
FIG. 7 is a schematic view of the end cap of FIG. 6 from another perspective;
FIG. 8 is an exploded view of the connector of FIG. 1;
the reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an endoscope matching tube 100.
Referring to fig. 1, in an embodiment of the present invention, the endoscope matching tube 100 includes:
a double-lumen catheter 30, the double-lumen catheter 30 having a first passage 311 and a second passage 313 which are separated from each other;
a connector 50, wherein the connector 50 is connected to one end of the double-lumen catheter 30 and has a first medical fluid channel and a second medical fluid channel, the first medical fluid channel is communicated with the first channel 311, and the second medical fluid channel is communicated with the second channel 313; and
In the structure of the endoscope matching tube 100 provided by the invention, A, B components are respectively led into the first liquid medicine flow channel and the second liquid medicine flow channel of the connector 50 through a syringe, the first liquid medicine flow channel is communicated with the first channel 311 of the double-cavity catheter 30, the second liquid medicine flow channel is communicated with the second channel 313 of the double-cavity catheter 30, A, B components flow out of the double-cavity catheter 30 and then enter the mixing cavity in the nozzle 10 to be mixed 15 by the mixing structure 15 therein, so that the mixing uniformity of A, B components is improved. Understandably, the spray head 10 is arranged at the tail part of the double-cavity catheter 30, and the mixing structure 15 is arranged in the spray head 10, so that the problem that two components A, B cannot be uniformly mixed due to two side-by-side holes of the medicine outlet port of the double-cavity catheter 30 is solved, the uniformity of mixing A, B components is improved, and the using effect of the medicine is enhanced.
Referring to fig. 3, in an embodiment of the present invention, the hybrid structure 15 includes:
the cylinder 153, the cylinder 153 is arranged in the mixing cavity in a penetrating way;
the flow blocking ribs 157 are arranged on the side wall of the cylinder 153, and the flow blocking ribs 157 are spirally arranged along the axial direction of the cylinder 153.
The flow-blocking ribs 157 are designed in a staggered manner along the axial direction of the cylinder 153, for example, the inner part of the mixing cavity can be divided into an upper layer and a lower layer, the upper layer uses the flow-blocking ribs 157 in the left-handed direction, the lower layer uses the flow-blocking ribs 157 in the right-handed direction, and even the left-handed flow-blocking ribs 157 and the right-handed flow-blocking ribs 157 are simultaneously overlapped in the same layer. Of course, the flow blocking ribs 157 may be designed to have different sizes, so as to achieve the purpose of being staggered with each other, and to enable the mixing to be more sufficient. Therefore, when the liquid medicine flows in the mixing chamber, the structure of the flow blocking ribs 157 can fully and uniformly mix the liquid medicine, thereby enhancing the using effect of the medicine.
Referring to fig. 3 and 6, in an embodiment of the endoscope matching tube 100 according to the present invention, a plurality of flow blocking ribs 157 are provided, the plurality of flow blocking ribs 157 are provided in pairs, and the two flow blocking ribs 157 in pairs are respectively located at two sides of the cylinder 153; a plurality of pairs of flow blocking ribs 157 are arranged at intervals along the axial direction of the cylinder 153; two adjacent pairs of flow blocking ribs 157 are arranged in a staggered manner in the circumferential direction of the cylinder 153.
Specifically, the flow blocking ribs 157 include six flow blocking ribs 157, when the top of the cylinder 153 is viewed from a top view, the flow blocking ribs 157 are in a semicircular sector shape, the cylinder 153 is divided into four directions, i.e., an upper direction, a lower direction, a left direction, and a right direction, in the top view, the cylinder 153 is divided into three sections, each section includes two flow blocking ribs 157, the flow blocking ribs 157 in the first section are disposed in the upper and lower directions of the cylinder 153 in the top view of the cylinder 153, the flow blocking ribs 157 in the first section are disposed in the left and right directions of the cylinder 153 in the top view of the cylinder 153, the flow blocking ribs 157 in the third section are also disposed in the upper and lower directions of the cylinder 153 in the top view of the cylinder 153, at the same time, the two flow blocking ribs 157 in each section are rotated in different directions, and the directions of the flow blocking ribs 157 in the first section and the second section are the same. The structure is the most important part for mixing liquid medicine, can fully mix A, B two-component liquid medicine, and enhances the using effect of the medicine.
Referring to fig. 6, in an embodiment of the endoscope matching tube 100 according to the present invention, the hybrid structure 15 further includes a column bottom 151, the column bottom 151 is disposed at one end of the column 153 facing the dual-lumen catheter 30, a strip-shaped groove is disposed on a surface of the column bottom 151 facing away from the column 153, the strip-shaped groove extends along a radial direction of the column 153, and a bottom wall at two ends of the strip-shaped groove is provided with a guiding hole penetrating to the other side of the column bottom 151; the first channel 311 and the second channel 313 are both communicated with the strip-shaped groove so as to inject the first liquid medicine and the second liquid medicine into the mixing cavity through the strip-shaped groove and the two introduction holes. Meanwhile, the surface of the column bottom 151, which is back to the column body 153, can also be provided with a cross groove, and the four tail ends of the cross groove are provided with leading-in holes, so that liquid medicines of A, B two components can be preliminarily mixed by the designs, and the mixing degree of A, B two components can be improved.
Referring to fig. 7, in an embodiment of the endoscope matching tube 100 according to the present invention, the nozzle 10 further includes a cylinder 13 and an end cover 11, one end of the cylinder 13 is connected to one end of the dual-lumen catheter 30 away from the connector 50, and the cylinder 13 has a mixing chamber therein; the end cover 11 is arranged at one end of the cylinder 13, which is far away from the double-cavity catheter 30, so as to seal the mixing cavity, the surface of the end cover 11, which faces the cylinder 153, is provided with a converging groove 111, and the bottom wall of the converging groove 111 is provided with an atomizing outlet 115 communicated with the outside.
Understandably, the liquid medicine is atomized at the wound to be sprayed, so that a large-area wound can be covered, and the current products on the market achieve the atomization effect by adopting a mode of connecting an air source, but the operation cost of operation equipment and personnel is increased. Further, the aperture of the atomizing nozzle is 0.2mm to 0.5mm, and the pressure is increased when the liquid medicine passes through the small aperture, thereby generating an atomizing effect.
The outer cylinder of end cover 11 is divided into two sections and designs that differ in size, and big cylinder section is bigger than barrel 13 inner chamber hole, and little cylinder section is little than barrel 13 inner chamber hole, and the height of big cylinder section can be some short this moment, can very big reduction this cylinder section surface's processing cost, also can set up the sealing washer groove in order to place the sealing washer in this cylinder section simultaneously, prevent that the position of barrel 13 and end cover 11 contact from not sealing up enough, lead to the inside liquid medicine of barrel 13 and pressure to leak to can't form atomizing spraying.
Referring to fig. 7, in an embodiment of the endoscopic matching tube 100 according to the present invention, the mixing structure 15 further includes a post head 155, the post head 155 is disposed at an end of the post 153 away from the dual-lumen catheter 30 and is inserted into the converging groove 111, an end surface of the post head 155 facing away from the post 153 abuts against a bottom wall of the converging groove 111, and at least a portion of a sidewall of the post head 155 is spaced apart from a sidewall of the converging groove 111; the area of the bottom wall of the converging groove 111 not covered by the column head 155 is provided with a diversion groove 113 communicated with the atomizing outlet 115.
Furthermore, the column cap 155 is cylindrical, the convergence groove 111 is a square cavity, the circumferential surface of the column cap 155 is tangent to four surfaces of the square cavity, so that the liquid medicine can enter the square cavity of the convergence groove 111 from four clearance corners formed by the convergence groove 111 and the column cap 155, the bottom walls of the corners of the four corners of the square cavity are provided with the guide grooves 113 communicated with the atomization outlet 115, and the four guide grooves 113 converge in the shape of the atomization outlet 115 like a paper folding cart; this design is the final stage that the liquid medicine mixes, and the liquid medicine passes through at so narrow and small guiding gutter 113 passageway for internal pressure increases, and then makes the liquid medicine form atomization effect after the blowout.
Referring to fig. 4, in an embodiment of the cavity mirror matching tube 100 of the present invention, the cylinder 13 includes a connecting section and a mixing section connected to each other, and the mixing section has a mixing chamber therein; the end face of the connecting section, which faces away from the mixing section, is provided with a mounting groove 131, the bottom wall of the mounting groove 131 is provided with a through hole 133 communicated with the mixing cavity, and one end of the double-cavity catheter 30, which is far away from the connector 50, is inserted into the mounting groove 131.
The spray head 10 and the remaining body can be designed to be detachable. A magnet can be arranged at one end of the spray head 10 and the double-cavity conduit 30, which is far away from the connector 50, and the magnet is attracted to realize the disassembly, so that the design is very convenient for the assembly and the disassembly of the spray head 10; of course, the spray head 10 can be connected with the double-cavity conduit 30 by adopting a bolt and screw mode, and can also be detachable, and the cost is lower for the connection by adopting the bolt and screw mode. The A, B components can be quickly solidified into colloid after being mixed, so the detachable design is beneficial to taking down the spray head 10 for cleaning or replacing.
Further, mounting groove 131 may be designed as an internal thread structure, while the end of double lumen catheter 30 facing away from connector 50 is designed as an external threaded seat 35. The tail parts of the spray head 10 and the double-cavity conduit 30 are respectively provided with an internal thread structure and an external thread structure which are mutually meshed, so that the spray head 10 and the double-cavity conduit 30 can be disassembled and assembled. The spray head 10 is meshed and fixed with the threaded base of the double-cavity conduit 30 through the threads in the barrel body 13, of course, the spray head 10 can be an external thread, the threaded base of the double-cavity conduit 30 can be an internal thread, the design is very convenient for installation and disassembly of the spray head 10, and meanwhile, a threaded disassembly, assembly and manufacturing process system is mature in industry, so that the cost can be well reduced.
Still further, the engagement portion of the nozzle 10 and the double lumen catheter 30 may be provided with a sealing member. The part can use the sealing rubber ring, so that a user can ensure the sealing effect when screwing down, the rubber ring is quite mature on the market, and the rubber rings with various specifications and sizes can be found, thereby reducing the self-manufacturing cost. The component can also be an adhesive tape, and a plurality of circles of medical sealing adhesive tapes are wound on the meshing part of the spray head 10 and the double-cavity catheter 30, so that the sealing effect can be ensured, and the use is also quite convenient.
Referring to fig. 1 and 5, in an embodiment of the endoscopic mating tube 100 according to the present invention, the double lumen catheter 30 includes a main tube 31 and a deformable frame 33, the main tube 31 has a first channel 311 and a second channel 313 separated from each other, and the deformable frame 33 is disposed through the main tube 31 and spaced apart from the first channel 311 and the second channel 313.
The double-lumen catheter 30 on the market at present is a flexible hose, which can not be fixed into a specific shape to deal with different physiological structures, and the double-lumen catheter 30 is provided with a changeable framework, so that the double-lumen catheter 30 can be changed into various shapes to achieve the purpose of accurate drug delivery; further, the double-cavity catheter 30 is made of a section of flexible plastic material, the length of the double-cavity catheter is 10 cm-40 cm, and the diameter of the double-cavity catheter is 3 mm-5 mm. The double-lumen catheter 30 can be prepared into a required pipe material through an extrusion process, and furthermore, 2 circular lumens and a variable framework placing position can be arranged in the double-lumen catheter 30, the two lumens are respectively used as the channels of A, B component liquid medicine, and the variable framework is embedded in the middle placing position, wherein the variable framework can be a section of metal framework which cannot automatically restore to the original shape after being stressed and deformed, so that the aim of bending and deforming the double-lumen catheter 30 into any ideal state is fulfilled; even the deformable framework can be a metal wire, the metal wire is more convenient to install compared with the metal framework, and meanwhile, the cost is lower. The double-cavity catheter 30 is connected with two sections of conveying pipes through the connector 50, and the conveying pipes can be respectively connected with the cavities of the corresponding double-cavity catheter 30 through an injection molding and encapsulation process, so that the connection sealing effect can be guaranteed. Still further, one end of the double-lumen catheter 30 is welded with a threaded base by an insert injection molding process, and the threaded base is engaged and fixed with the internal threads of the nozzle 10 described below.
Referring to fig. 2 and 8, in an embodiment of the endoscopic mating tube 100 according to the present invention, the connector 50 includes:
the medicine dispensing device comprises a connecting seat 51, wherein two medicine guide channels 511 which are mutually spaced are arranged in the connecting seat 51, and the two medicine guide channels 511 are respectively communicated with a first channel 311 and a second channel 313;
two conduits 53, each conduit communicating with a drug delivery channel 511;
two connectors 55, each connector 55 is connected to a conduit 53; and
the housing 57 and the housing 57 have a first cover 571 and a second cover 573 disposed opposite to each other, and the connector 55 and the connecting base 51 are clamped and fixed between the first cover 571 and the second cover 573.
The delivery pipe is long and flexible, so that the operation by one hand is difficult, and the two connectors 55 are fixed by the shell 57, so that the problem that the mixed medicine bag needs to be operated by one hand and the endoscope matching pipe 100 needs to be held by the other hand during actual operation is solved; the housing 57 may be binocular telescope-like housing 57 with the fittings 55 mounted in the binocular holes. More extremely, the housing 57 may be a plate-type member with two holes, and the two connectors 55 are fixed by the housing 57, which facilitates the insertion of the port of the syringe into the connectors 55 of the cavity mirror mating tube 100 for the convenience of the user. Meanwhile, the outer surface of the shell 57 can be provided with the anti-slip threads 579 to improve the hand feeling and experience of a user during use and assembly, but the shape design of the anti-slip threads 579 is not limited to the form shown in fig. 1.
Further, the first cover 571 and the second cover 573 are welded by thermal welding, but the first cover 571 and the second cover 573 may be fixed by screw and bolt connection to prevent the cover from being opened manually during use.
Referring to fig. 2 and 8, in an embodiment of the endoscope matching tube 100 according to the present invention, a positioning post 575 is protruded from a cavity wall of an inner cavity of the housing 57, a positioning lug 513 is disposed on a side wall of the connecting seat 51, and the positioning post 575 is inserted into the positioning lug 513;
and/or, the cavity wall of the inner cavity of the shell 57 is provided with a positioning groove 577, the side wall of the joint 55 is convexly provided with a positioning block 551, and the positioning block 551 is inserted into the positioning groove 577.
And the positioning column 575 of the connecting seat 51 is designed in a cylindrical shape, so that the connecting seat 51 is conveniently assembled on the cavity mirror matching tube 100. The positioning block 551 of the connector 55 can be designed into a cross shape, and the corresponding position of the housing 57 is also designed with a corresponding cross slot, so that the connector 55 can be locked to prevent rotation or front-back displacement, and the design of the circular positioning column 575 and the cross positioning block 551 is beneficial to controlling the tightness of the fixed connector 55 and the connecting seat 51, so that the best fastening degree can be achieved. The housing 57 may be an integrated body, and the connector 55 and the connecting seat 51 are formed into a notch to fix the connector 55 and the connecting seat 51, and the integrated design is favorable for reducing the assembling steps of the cavity mirror matching tube 100, thereby reducing the cost for manufacturing the cavity mirror matching tube 100. Still further, the adapter 55 may be designed as a conical adapter 55, which facilitates insertion of the syringe port.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. An endoscope mating tube, comprising:
a double lumen catheter having a first channel and a second channel separated from each other;
the connector is connected to one end of the double-cavity catheter and is provided with a first liquid medicine flow channel and a second liquid medicine flow channel, the first liquid medicine flow channel is communicated with the first channel, and the second liquid medicine flow channel is communicated with the second channel; and
the sprayer is connected to one end, away from the connector, of the double-cavity catheter, a mixing cavity is arranged in the sprayer, the sprayer comprises a mixing structure arranged in the mixing cavity, the first channel and the second channel are both communicated with the mixing cavity and used for guiding a first liquid medicine entering from the first liquid medicine flow channel and a second liquid medicine entering from the second liquid medicine flow channel into the mixing cavity so as to be mixed through the mixing structure;
the hybrid structure includes:
a cylinder disposed through the mixing chamber;
the flow-resisting convex ribs are arranged on the side wall of the cylinder body and spirally ascend along the axial direction of the cylinder body;
the mixed structure also comprises a column bottom, the column bottom is arranged at one end of the column body facing the double-cavity catheter, a strip-shaped groove is formed in the surface of the column bottom, which is back to the column body, and extends along the radial direction of the column body, and the bottom walls of the two ends of the strip-shaped groove are provided with leading-in holes penetrating to the other side of the column bottom;
the first channel and the second channel are communicated with the strip-shaped groove so as to inject a first liquid medicine and a second liquid medicine into the mixing cavity through the strip-shaped groove and the two introduction holes;
the sprayer also comprises a cylinder body and an end cover, one end of the cylinder body is connected with one end of the double-cavity conduit, which is far away from the connector, and the cylinder body is internally provided with the mixing cavity;
the end cover is arranged at one end of the cylinder body, which is far away from the double-cavity catheter, so as to seal the mixing cavity, a converging groove is formed in the surface, which faces the cylinder body, of the end cover, and an atomization outlet communicated with the outside is formed in the bottom wall of the converging groove;
the mixing structure further comprises a column head, the column head is arranged at one end of the column body, which is far away from the double-cavity catheter, and is inserted into the converging groove, the end surface of the column head, which is far away from the column body, is abutted against the bottom wall of the converging groove, and at least part of the side wall of the column head is arranged at intervals with the side wall of the converging groove;
a diversion trench communicated with the atomization outlet is formed in the area, which is not covered by the column cap, of the bottom wall of the convergence trench;
the column head is cylindrical, the convergence groove is a square cavity, and the circumferential surface of the column head is tangent to four surfaces of the square cavity to form four gap angles; the bottom corner walls of the four corners of the square cavity are provided with the flow guide grooves communicated with the atomization outlets; the four diversion trenches are converged at the atomization outlet.
2. An endoscope matching tube according to claim 1, wherein a plurality of flow blocking ribs are arranged, a plurality of flow blocking ribs are arranged in pairs, and the two flow blocking ribs in the pair are respectively positioned at two sides of the cylinder body; a plurality of pairs of flow blocking convex ribs are arranged at intervals along the axial direction of the cylinder; and two adjacent pairs of flow blocking convex ribs are arranged in a staggered manner in the circumferential direction of the column body.
3. The cavity mirror mating tube of claim 1, wherein the barrel comprises a connecting section and a mixing section connected, the mixing section having the mixing chamber therein;
the connecting section back to the end face of the mixing section is provided with a mounting groove, the bottom wall of the mounting groove is provided with a through hole communicated with the mixing cavity, and one end of the double-cavity catheter departing from the connector is inserted into the mounting groove.
4. An endoscope matching tube according to any one of claims 1-3 and further characterized in that the double lumen catheter comprises a main tube and a deformable skeleton, wherein the main tube is provided with a first channel and a second channel which are separated from each other, and the deformable skeleton is arranged through the main tube and is separated from the first channel and the second channel.
5. An endoscopic mating tube according to any of claims 1 to 3, wherein said connector comprises:
the medicine guide device comprises a connecting seat, a medicine guide device and a medicine guide device, wherein two medicine guide channels which are mutually spaced are arranged in the connecting seat, and are respectively communicated with the first channel and the second channel;
each catheter is communicated with one medicine guide channel;
two connectors, each connector is communicated with one conduit; and
the connector and the connecting seat are clamped and fixed between the first cover body and the second cover body.
6. The cavity mirror matching tube as claimed in claim 5, wherein a positioning post is convexly arranged on the inner cavity wall of the shell, a positioning lug is arranged on the side wall of the connecting seat, and the positioning post is arranged in the positioning lug in a penetrating way;
and/or a positioning groove is formed in the cavity wall of the inner cavity of the shell, a positioning block is convexly arranged on the side wall of the joint, and the positioning block is inserted into the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110443142.5A CN113231214B (en) | 2021-04-23 | 2021-04-23 | Chamber mirror cooperation pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110443142.5A CN113231214B (en) | 2021-04-23 | 2021-04-23 | Chamber mirror cooperation pipe |
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| CN113231214A CN113231214A (en) | 2021-08-10 |
| CN113231214B true CN113231214B (en) | 2022-03-04 |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101579256A (en) * | 2008-05-13 | 2009-11-18 | 上海导向医疗系统有限公司 | Concentric, detachable and replaceable multifunctional targeted tumor scalpel |
| US8210453B2 (en) * | 2008-09-12 | 2012-07-03 | Confluent Surgical, Inc. | Spray applicator |
| WO2011122751A1 (en) * | 2010-04-02 | 2011-10-06 | Lee Sang Yub | Liquid medicine administering device for endoscopic surgery, medical controller for liquid medicine, and liquid medicine administering device for endoscopic surgery comprising same |
| US9381005B2 (en) * | 2012-10-26 | 2016-07-05 | Baxter International Inc. | Spray head for two component mixer |
| CN104525407B (en) * | 2014-12-30 | 2017-08-25 | 中国兵器工业集团第五三研究所 | A kind of non-lethal viscous ammunition agent |
| US9572555B1 (en) * | 2015-09-24 | 2017-02-21 | Ethicon, Inc. | Spray or drip tips having multiple outlet channels |
| CN107744888A (en) * | 2017-10-27 | 2018-03-02 | 广州迈普再生医学科技有限公司 | Ultralow pressure vortex atomizing nozzle and duplex mixing syringe |
| CN108498905A (en) * | 2018-04-03 | 2018-09-07 | 广州迈普再生医学科技股份有限公司 | Hysteroscope type nozzle and hysteroscope type duplex mixing syringe for duplex mixing syringe |
| CN108309795A (en) * | 2018-01-31 | 2018-07-24 | 广州迈普再生医学科技有限公司 | A kind of dual-purpose duplex mixing syringe connector and duplex mixing syringe |
| CN110559551A (en) * | 2019-10-24 | 2019-12-13 | 哈尔滨美顿医疗科技有限公司 | Double-combination medicine mixing and spraying device |
| CN211273112U (en) * | 2019-10-24 | 2020-08-18 | 哈尔滨美顿医疗科技有限公司 | Double-administration dropper and pig source fibrin adhesive mixing spraying device |
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Denomination of invention: Cavity mirror fitting tube Effective date of registration: 20230209 Granted publication date: 20220304 Pledgee: China Merchants Bank Co.,Ltd. Harbin Branch Pledgor: HARBIN HANBANG MEDICAL SCIENCE AND TECHNOLOGY CO.,LTD. Registration number: Y2023230000021 |