Disclosure of Invention
Based on the above, the invention aims to provide an adjustable needleless infusion connector so as to solve the technical problems of poor sealing effect, short service life and complicated operation when a medicine bottle is replaced.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a needleless infusion connects with adjustable, includes the male end, the inside of male end is provided with adjusting part, the inside below of male end is provided with the internal thread, the top of male end is connected with the connector, the top of connector is connected with the female end, the surface top of female end is connected with the external screw thread, the inside of female end is provided with sealing part.
Through adopting above-mentioned technical scheme, seal assembly is through the liquid medicine when reversing flow to the closing plate application pressure make the closing plate upwards warp and blocks up first connecting seat, and the setting through the rubber connecting band pulls the closing plate and avoids the closing plate atress too big valgus to lead to the liquid medicine to flow backward simultaneously, and the sealed effect of dual seal effectively increases the structure avoids the liquid medicine backward flow simultaneously, and the adjusting part makes elastic hose receive the extrusion through rotating the cam and is blocked, avoids the joint to extract the back negative pressure and takes patient's blood out, avoids the cam landing to lead to elastic hose not to be extruded any more through the setting of antislip strip simultaneously.
Further, seal assembly is including connecting in the sealing member of connector surface, connecting in the inside hollow rubber sleeve of female end and connecting in the inside below of female end first connecting seat, the clearance groove has all been seted up to the inside both sides of sealing member, the internal connection of hollow rubber sleeve has the elasticity reset ring, the inside both sides of first connecting seat all are connected with the closing plate, two the bottom of closing plate all is connected with the rubber connecting band.
Through adopting above-mentioned technical scheme, sealing member atress makes the liquid medicine can get into to both sides deformation when female end access joint, and the both sides extrusion hollow rubber sleeve of sealing member and elasticity reset ring simultaneously, and elasticity reset ring appearance is similar to the spring, but elasticity reset ring receives the extrusion back and does not compress like the spring and holds the power but the inflation makes the structure diameter grow hold the power, avoids the both sides seepage liquid to lead to the emergence of liquid medicine and elasticity reset ring contact phenomenon after ageing through the setting of hollow rubber sleeve simultaneously.
Further, the adjusting part is including connecting in the bull stick of the inside one side of male end and connecting in the inside second connecting seat of male end, the surface of bull stick is connected with the cam, the surface of cam is provided with the antislip strip, the top of second connecting seat is connected with elastic hose.
Through adopting above-mentioned technical scheme, make the elastic hose receive the extrusion by the rotation cam when need changing empty medicine bottle and be blocked, avoid the joint to extract the back negative pressure and take patient's blood out, avoid the cam landing to lead to the elastic hose not to be extruded any longer through the setting of antislip strip simultaneously, increase the structural seal nature through the setting of first connecting seat and second connecting seat simultaneously, avoid the air to pass the space entering transfer line of cam position in with the liquid medicine pollution.
Further, one side of the sealing plate is inclined downwards along the middle direction inside the first connecting seat, and the lower part inside the first connecting seat is inclined slope-shaped.
Through adopting above-mentioned technical scheme, apply pressure to the closing plate when the liquid medicine is against the current and make the closing plate upwards warp and block up first connecting seat, pull the closing plate through the setting of rubber connecting band simultaneously and avoid the closing plate atress too big valgus to lead to the liquid medicine to flow against the current.
Further, the cam is rotationally connected with the male end through the rotating rod, and the second connecting seat is detachably connected with the male end.
Through adopting above-mentioned technical scheme, make the elastic hose receive the extrusion by the jam through rotating the cam when need changing empty medicine bottle, avoid the joint to extract the back negative pressure and take patient's blood out, avoid the cam landing to lead to the elastic hose not to be extruded any more through the setting of antislip strip simultaneously.
Further, the included angle between the rubber connecting belt and the sealing plate is 45 degrees, and the two sealing plates and the two rubber connecting belts are distributed in a mirror image mode along the longitudinal axis center line of the first connecting seat.
Through adopting above-mentioned technical scheme, liquid medicine gets into the back closing plate and receives the downward deformation of pressure and make the liquid medicine can get into in the positive end, apply pressure to the closing plate when the liquid medicine is against the current and make the closing plate upwards warp and block up first connecting seat, and the setting through the rubber connecting band pulls the closing plate simultaneously and avoids the closing plate atress too big valgus to lead to the liquid medicine to flow backward, and the sealing effect of dual sealed effective increase structure avoids the liquid medicine backward flow simultaneously.
Further, the male end is in threaded connection with the connector, and the female end is detachably connected with the connector.
Through adopting above-mentioned technical scheme, dismantle with connector threaded connection and female end and connector through the male end and be connected and conveniently carry out the modularization production and reduce the production degree of difficulty, be convenient for medical personnel to change the structure of damage simultaneously.
Further, the elastic reset ring is spiral, and the first connecting seat is in threaded connection with the connector.
Through adopting above-mentioned technical scheme, elasticity reset ring appearance is similar to the spring, but elasticity reset ring receives after the extrusion and does not compress like the spring is general holds the power but expands and makes structure diameter grow hold the power, and the sealing member loses pressure and resets when taking out from the negative end and avoid the liquid medicine backward flow with the structure seal when the joint, and the supplementary sealing member of elasticity reset ring resets simultaneously and avoids the sealing member ageing unable reduction.
In summary, the invention has the following advantages:
1. According to the invention, through the sealing piece, the hollow rubber sleeve, the sealing plate, the elastic reset ring and the rubber connecting belt, when the female end is connected with the connector, the sealing piece is stressed to deform towards two sides to enable liquid medicine to enter, meanwhile, the two sides of the sealing piece are extruded to extrude the hollow rubber sleeve and the elastic reset ring, the appearance of the elastic reset ring is similar to a spring, but the elastic reset ring is extruded to compress and store force like a spring, but expands to enable the diameter of the structure to become larger and store force, meanwhile, the hollow rubber sleeve is arranged to avoid the phenomenon that liquid medicine contacts the elastic reset ring due to liquid seepage at two sides after the sealing piece ages, the liquid medicine enters the sealing plate to deform downwards under pressure to enable the liquid medicine to enter the male end, when the liquid medicine flows reversely, the sealing plate is applied to deform upwards to block the first connecting seat, meanwhile, the sealing plate is pulled through the arrangement of the rubber connecting belt to avoid the sealing plate from being stressed to turn outwards to cause the liquid medicine to flow reversely, the double sealing is effective to increase the sealing effect of the structure and avoid the liquid medicine to flow back, when the connector is taken out from the female end, the sealing piece loses pressure reset to enable the structure sealing to avoid the liquid medicine to return, and the elastic reset ring to assist the sealing piece to reset, the sealing effect to reset, the sealing piece to reset, the sealing effect to reset, and the sealing effect to reset, and the sealing effect to be better, and the sealing effect to delay the aging, and the aging structure are not have the effect and longer than the structure;
2. According to the invention, when an empty medicine bottle is required to be replaced, the elastic hose is extruded and blocked by rotating the cam, so that negative pressure is prevented from pumping out blood of a patient after the connector is pulled out, meanwhile, the elastic hose is prevented from being extruded due to sliding of the cam through the arrangement of the anti-slip strip, meanwhile, structural tightness is improved through the arrangement of the first connecting seat and the second connecting seat, the pollution of liquid medicine caused by air entering the infusion tube through a gap at the position of the cam is avoided, the infusion tube is not required to be clamped by using a clamp additionally, and the operation is simple, convenient and effective, and the negative pressure is prevented from pumping out blood of the patient when the empty medicine bottle is replaced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
The utility model provides an needleless infusion connects with adjustable, as shown in figures 1,2 and 4, including male end 1, the inside of male end 1 is provided with adjusting part 7, negative pressure is taken patient's blood out when easy operation is convenient effectively avoiding changing empty medicine bottle, the inside below of male end 1 is provided with internal thread 5, the top of male end 1 is connected with connector 2, the top of connector 2 is connected with female end 3, the surface top of female end 3 is connected with external screw thread 4, the inside of female end 3 is provided with sealing component 6, the better long service life of sealed effect, metallic structure does not postpone structural aging with the liquid medicine contact simultaneously, male end 1 and connector 2 threaded connection, and female end 3 and connector 2 dismantle and be connected, the convenient medicine bottle of changing.
Referring to fig. 1,2 and 3, the sealing assembly 6 includes a sealing member 601 connected to the outer surface of the connector 2, a hollow rubber sleeve 602 connected to the inside of the female end 3, and a first connecting seat 603 connected to the inside lower part of the female end 3, the two sides of the inside of the sealing member 601 are both provided with a clearance groove 606, the inside of the hollow rubber sleeve 602 is connected with an elastic reset ring 605, the two sides of the inside of the first connecting seat 603 are both connected with sealing plates 604, the bottoms of the two sealing plates 604 are both connected with rubber connecting belts 607, one side of each sealing plate 604 is inclined downwards along the middle direction inside the first connecting seat 603, the inside lower part of the first connecting seat 603 is inclined, the included angle between each rubber connecting belt 607 and each sealing plate 604 is 45 °, the two sealing plates 604 and each rubber connecting belt 607 are distributed along the central line of the longitudinal axis of the first connecting seat 603 in a mirror image manner, the elastic reset ring 605 is in a spiral shape, the first connecting seat 603 is in threaded connection with the connector 2, the sealing effect is better, and the service life is long, and the metal structure is not aged by contacting with liquid medicine.
Referring to fig. 1, 4 and 5, the adjusting component 7 comprises a rotating rod 702 connected to one side of the inside of the male end 1 and a second connecting seat 704 connected to the inside of the male end 1, wherein the outer surface of the rotating rod 702 is connected with a cam 701, the outer surface of the cam 701 is provided with an anti-slip strip 705, the top of the second connecting seat 704 is connected with an elastic hose 703, the cam 701 is rotatably connected with the male end 1 through the rotating rod 702, and the second connecting seat 704 is detachably connected with the male end 1, so that the operation is simple, convenient and effective to avoid negative pressure to pump out blood of a patient when an empty medicine bottle is replaced.
The implementation principle of the embodiment is as follows: firstly, when the empty medicine bottle is replaced, medical staff rotates the cam 701 to enable the elastic hose 703 to be blocked by extrusion, negative pressure is avoided to pump blood of a patient after the medicine bottle connector is pulled out, meanwhile, the setting of the anti-slip strip 705 is used to prevent the cam 701 from sliding off to enable the elastic hose 703 not to be extruded any more, meanwhile, the setting of the first connecting seat 603 and the second connecting seat 704 is used to increase the structural tightness, air is prevented from entering the infusion tube to pollute the liquid medicine through a gap between the cam 701 and the positive end 1, then the medical staff takes the medicine bottle connector off the negative end 3, when the connector is taken out from the negative end 3, the sealing member 601 loses pressure reset to prevent the structural seal from backflow of the liquid medicine, meanwhile, the elastic reset ring 605 assists the sealing member 601 to reset, aging cannot reset after the sealing member 601 is used for a long time, then the medical staff performs disinfection work on the negative end 3 and washes the interior of the needleless infusion connector, the medical staff connects the joint of the new medicine bottle on the female end 3, when the female end 3 is connected with the joint, the sealing piece 601 is stressed to deform towards two sides so that medicine liquid can enter the male end 1, meanwhile, the two sides of the sealing piece 601 extrude the hollow rubber sleeve 602 and the elastic reset ring 605, the shape of the elastic reset ring 605 is similar to a spring, but the elastic reset ring 605 is not compressed and accumulated like a spring but expands to enlarge the structure diameter after being extruded, meanwhile, the phenomenon that the medicine liquid contacts the elastic reset ring 605 due to seepage of two sides after the sealing piece 601 is aged is avoided through the arrangement of the hollow rubber sleeve 602, the service life of the structure is prolonged, the medicine liquid enters the rear sealing plate 604 and is deformed downwards under pressure so that the medicine liquid can enter the male end 1, when the medicine liquid is countercurrent, the sealing plate 604 is stressed upwards so that the sealing plate 604 is deformed to block the first connecting seat 603, meanwhile, the sealing plate 604 is pulled through the arrangement of the rubber connecting belt 607, so that the phenomenon that the sealing plate 604 is excessively stressed and everts to cause the backflow of liquid medicine is avoided.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.