Disposable integrated double-cavity catheter flushing and sealing pre-filling injector

Abstract

The utility model relates to the field of pre-filling syringes, in particular to a disposable integrated double-cavity catheter flushing and sealing pre-filling syringe which can solve the problems that a clinical nurse is inconvenient in flushing and sealing operation, easy to cause manipulation errors, unstable in grasping the syringe, non-uniform in pushing and injecting of catheter sealing liquid, and inconvenient to disinfect with a single hand when connected with double-side flushing needles, and relates to a disposable integrated double-cavity catheter flushing and sealing pre-filling syringe and a disposable integrated double-cavity catheter flushing and sealing pre-filling syringe with the disposable integrated double-cavity catheter flushing and sealing pre-filling syringe. Comprising a first injector, the first injector comprises a vertical cylindrical main body, a partition plate is fixedly arranged in the center of the interior of the main body and divides the main body into a left cavity and a right cavity, core rods are inserted into the cavities respectively, rubber pistons are fixedly arranged at the bottoms of the core rods, and a pushing handle is fixedly arranged at the tops of the core rods jointly; two nipples communicated with the cavity are arranged at the bottom of the main body, a flexible Y-shaped extension tube is arranged below each nipple, and the tops of the vertical parts of the Y-shaped extension tubes are fixedly connected with the nipples; and the upper end parts of the lateral parts of the Y-shaped extension tube are fixedly connected with nipples at the bottom of the second injector respectively. The device is easy to operate, convenient to use and suitable for pipeline punching and sealing.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefilling syringe field, concretely is a disposable integrated double -cavity catheter flush and seal pipe prefilled syringe. BACKGROUND

[0002] In recent years, double-lumen central venous catheter (CVC / PICC) is gradually widely used, its double-channel design can multi-venous channel simultaneous drug delivery, has the advantage of avoiding drug infusion compatibility contraindication. But also has the shortcoming, double-lumen central venous catheter (CVC / PICC) is integrated catheter, when non-isobaric, equal volume flush and seal pipe, it will cause one side tube cavity pressure to be low, thereby making blood or liquid reflux to this tube cavity;And the two tube cavities of catheter are not communicated, the diameter of each tube cavity is smaller than the diameter of single-lumen catheter, once a small amount of back blood or drug deposition in the tube cavity, there is the risk of catheter blockage.

[0003] Clinical nurses use the traditional double-lumen catheter single-hand flush and seal pipe method, the traditional double-lumen catheter single-hand flush and seal pipe method is as follows: simultaneously sealing the double-lumen catheter, holding 2 sealing flush syringes with one hand, 2 needle plugs are respectively placed at the thenar muscle and the thumb, and the pulse type sealing flush syringe is pushed. Holding two syringes with one hand flushes and seals the pipe, and the pushing force and speed of the needle plugs of the two syringes are different. Clinical nurses are not convenient for operating the double-lumen catheter with one hand, prone to hand errors, unstable grip of the syringe, uneven injection of the sealing liquid, and inconvenient disinfection of the double-lumen catheter with one hand when connecting the double-side flush pipe needles, which can lead to catheter-related infections and catheter blockage and other complications, affect intravenous therapy, cause unplanned extubation, and increase the pain and medical costs of repeated puncture of patients. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a disposable integrated double-lumen catheter flush and seal pipe prefilled syringe, which can solve the problems of inconvenient operation of the double-lumen catheter with one hand, prone to hand errors, unstable grip of the syringe, uneven injection of the sealing liquid, and inconvenient disinfection of the double-lumen catheter with one hand when connecting the double-side flush pipe needles.

[0005] To achieve the above object, the utility model provides the following technical scheme: a disposable integrated double-lumen catheter flush and seal pipe prefilled syringe, comprising a first syringe, the first syringe comprises a vertical cylindrical main body, a partition is fixedly arranged in the center of the main body, the main body is divided into left and right two chambers, a core rod is respectively arranged in the chamber, a rubber piston is fixedly arranged at the bottom of the core rod, and a push handle is fixedly arranged at the top of the core rod;

[0006] The main body bottom is provided with two nipples in communication with the chambers, and below the nipples are respectively provided with a flexible Y-shaped extension pipe, the vertical part of the Y-shaped extension pipe is fixedly connected with the nipple at the top, and the lower end of the vertical part of the Y-shaped extension pipe is respectively provided with a threaded joint, and a threaded end cap is arranged on the threaded joint.

[0007] The upper end of the lateral part of the Y-shaped extension pipe is fixedly connected with the nipple at the bottom of the second syringe.

[0008] The lateral part of the Y-shaped extension pipe and the vertical part on the upper side of the lateral part are both provided with a fixing clamp.

[0009] As a preferred technical scheme, the volume of the left and right two chambers of the first syringe is 20ml.

[0010] As a preferred technical scheme, the volume of the left and right two chambers of the second syringe is 10ml.

[0011] As a preferred technical scheme, the outer surface of the first syringe and the second syringe is provided with a vertical scale.

[0012] As a preferred technical scheme, the upper end of the main body of the first syringe and the second syringe is respectively fixedly provided with a transverse protrusion.

[0013] As a preferred technical scheme, the first syringe and the second syringe are connected with a handle.

[0014] As a preferred technical scheme, the handle comprises a horizontal rod, and the horizontal rod is in a cylindrical shape and is fixedly provided with two C-shaped clamps on the front side, which are respectively matched with the first syringe and the second syringe.

[0015] As a preferred technical scheme, the two ends of the horizontal rod are in a convex arc structure.

[0016] Compared with the prior art, the utility model provides a one-time integrated double-cavity catheter flushing and sealing tube pre-charging syringe, which has the following beneficial effects:

[0017] 1. The utility model discloses a first syringe and a second syringe and a fixing clamp are arranged, when 20ml saline injection syringe flushes a pipe, closes with the fixing clamp, opens the fixed clamp of 10ml heparin saline injection syringe and carries out the pipe sealing operation, and does not interfere with each other.

[0018] 2. The utility model discloses that the lower end of the vertical part of the Y-shaped extension pipe is respectively provided with a threaded joint, and a threaded end cap is arranged on the threaded joint, and when using, the threaded end cap can play a sealing role before use.

[0019] 3. The utility model discloses a handle is set, when using, 20ml syringe and 10ml syringe are all clamped on corresponding C -shaped card, and cylindrical handle is convenient for medical staff to hold in hand, so as to be convenient for flush pipe operation.

[0020] 4. The utility model discloses a disposable integrated double -cavity catheter flush pipe syringe compares with the conventional mode of single -hand double -cavity catheter bare -handed flush pipe, convenient operation is simple, and the stress is even, and can even speed positive pressure, pulse, can effectively reduce the risk of pipe blockage, and shorten the time required for flush pipe, make the patient intravenous treatment smoothly, convenient nursing staff operation, thereby standard flush pipe technique, improve work efficiency, and it is worth in clinical popularization and application. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described herein are used to provide further understanding of the utility model and constitute a part of this application:

[0022] Figure 1 It is the three -dimensional structure schematic diagram of the first embodiment of the utility model;

[0023] Figure 2 It is the split structure schematic diagram of first syringe;

[0024] Figure 3 It is the three -dimensional structure schematic diagram of the second embodiment of the utility model;

[0025] Figure 4 It is the enlarged structure schematic diagram of handle.

[0026] Indicated in the drawing: 1. first syringe;11. main body;12. scale;13. baffle;14. chamber;15. core rod;151. push hand;16. rubber piston;17. nipple;18. protrusion;2. second syringe;3. Y-shaped extension pipe;31. vertical portion;311. screw end cap;32. lateral portion;4. fixed clamp;5. handle;51. crossbar;52. C-shaped card;53. circular arc structure. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Embodiment 1

[0028] As Figure 1 , Figure 2As shown, a disposable, integrated, dual-lumen catheter flushing and sealing tube prefilled syringe comprises a first syringe 1. The first syringe 1 comprises a vertical cylindrical body 11. A partition 13 is fixedly positioned at the center of the body 11, dividing the body 11 into two left and right chambers 14. A core rod 15 is inserted into each chamber 14. A rubber piston 16 is fixedly positioned at the bottom of the core rod 15, and a push handle 151 is fixedly positioned at the top of each core rod 15. Two nipples 17 (discharge ports) communicating with the chambers 14 are positioned at the bottom of the body 11. Below each nipple 17 are a flexible Y-shaped extension tube 3. The top of each vertical portion 31 of the Y-shaped extension tube 3 is fixedly connected to the nipple 17. The lower ends of each vertical portion 31 of the Y-shaped extension tube 3 are each provided with a threaded connector (not shown), each of which is equipped with a threaded end cap 311. The upper ends of the lateral portions 32 of the Y-shaped extension tube 3 are fixedly connected to the nipples at the bottom of a second syringe 2. The second syringe 2 has the same structure as the first syringe 1, but with a smaller capacity. The lateral portion 32 of the Y-shaped extension tube 3 and the vertical portion 31 above the lateral portion 32 are both provided with fixing clips 4 .

[0029] The volume of the left and right chambers of the first syringe 1 is 20 ml, and the left and right chambers of the first syringe 1 are used to contain physiological saline for flushing operation.

[0030] The volume of the left and right chambers of the second syringe 2 is 10 ml. The left and right chambers of the second syringe 2 are used to contain heparin sealing solution for tube sealing operation, that is, heparin saline.

[0031] The outer surfaces of the first and second syringes 1 and 2 are both provided with vertical scales 12. Horizontal protrusions 18 are fixed to the left and right sides of the upper ends of the main bodies 11 of the first and second syringes 1 and 2, respectively. These protrusions act as a stop and limit, making it easier for operators to operate them manually.

[0032] During use, after the first syringe 1 (normal saline syringe) has finished flushing the tube, it is clamped with the fixing clamp 4, and the fixing clamp of the second syringe 2 (heparin saline syringe) is opened to seal the tube without interfering with each other. Before use, the threaded end cap 311 can play a sealing role. Example 2

[0033] like Figure 3 、 Figure 4 As shown, the first syringe 1 and the second syringe 2 are connected to a handle 5 in common.

[0034] The handle 5 includes a crossbar 51 . The crossbar 51 is cylindrical, and two C-shaped clips 52 are fixedly provided on the front side thereof for engaging with the first syringe 1 and the second syringe 2 respectively.

[0035] The two ends of the crossbar 51 are in the shape of an arc with a convex shape 53, which plays a protective role for the staff.

[0036] In use, the first syringe 1 (normal saline syringe) and the second syringe 2 (heparin saline syringe) are clamped on the corresponding C-shaped clamps 52, and the cylindrical cross bar 51 is convenient for medical staff to hold in hand, so as to facilitate the operation of flushing and sealing the tube.

[0037] Compared with the conventional mode of single-handed double-lumen catheter manual flushing and sealing tube, the disposable integrated double-lumen catheter flushing and sealing tube syringe is convenient and simple to operate, uniformly stressed, can simultaneously uniform speed positive pressure and pulse, can effectively reduce the risk of tube blockage, and shorten the time required for flushing and sealing the tube, so that the patient's intravenous treatment is smoothly carried out, and the nursing staff is convenient to operate, so as to standardize the flushing and sealing tube method, improve the work efficiency, and is worthy of clinical popularization and application.

[0038] The components used in the utility model are all general standard components or components known by those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

[0039] It should be noted that in this paper, the terms "first", "second", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0040] The structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the limiting conditions of the implementation of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that can be produced by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe, characterized by: The syringe comprises a first syringe, comprising a vertical cylindrical body, a partition fixedly provided at the center of the body, dividing the body into two left and right chambers, a core rod inserted into each chamber, a rubber piston fixedly provided at the bottom of the core rod, and a push handle fixedly provided at the top of the core rod; Two nipples connected to the chamber are provided at the bottom of the main body, and a flexible Y-shaped extension tube is provided under each nipple. The top of the vertical part of the Y-shaped extension tube is fixedly connected to the nipple, and the lower end of the vertical part of the Y-shaped extension tube is provided with a threaded joint, and the threaded joint is provided with a threaded end cap; The upper ends of the lateral portions of the Y-shaped extension tube are respectively fixedly connected to the nipples at the bottom of the second syringe; The lateral portion of the Y-shaped extension tube and the vertical portion above the lateral portion are both provided with fixing clips.

2. A disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 1, characterized in that: The volumes of the left and right chambers of the first syringe are both 20 ml.

3. The disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 1, characterized in that: The volumes of the left and right chambers of the second syringe are both 10 ml.

4. The disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 1, characterized in that: The outer surfaces of the first syringe and the second syringe are both provided with vertical scales.

5. The disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 1, characterized in that: Horizontal protrusions are fixedly provided on the left and right sides of the upper ends of the main bodies of the first syringe and the second syringe, respectively.

6. The disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 1, characterized in that: The first syringe and the second syringe are connected to a handle together.

7. The disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 6, characterized in that: The handle comprises a cross bar which is cylindrical and has two C-shaped clips fixedly provided on its front side for respectively engaging with the first syringe and the second syringe.

8. The disposable integrated double-lumen catheter flushing and sealing tube prefilled syringe according to claim 7, characterized in that: The two ends of the cross bar are in an outwardly convex arc-shaped structure.

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