CN211157835U

CN211157835U - Pre-filling type washing tube sealing syringe

Info

Publication number: CN211157835U
Application number: CN201921509439.1U
Authority: CN
Inventors: 洪键雄
Original assignee: Institute of Hematology and Blood Diseases Hospital of CAMS and PUMC
Current assignee: Institute of Hematology and Blood Diseases Hospital of CAMS and PUMC
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-08-04
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a pre-filled formula wash pipe tube sealing syringe, contains the syringe body, characterized by that which belongs to the technical field of medical instrument: also comprises a heparin tube sealing liquid sealing bag and a puncture head; saline solution for washing the tube is filled in the syringe of the syringe body close to the needle head, a cylindrical heparin tube sealing liquid sealing bag is filled between the saline solution in the syringe of the syringe body and the piston head of the syringe body, the diameter of the heparin tube sealing liquid sealing bag is correspondingly consistent with the inner diameter of the syringe body, heparin tube sealing liquid is filled in the heparin tube sealing liquid sealing bag, the volume of the heparin tube sealing liquid in the heparin tube sealing liquid sealing bag is 2-4ml, and the volume of the saline solution in the syringe of the syringe body is 10 ml; be equipped with the thorn head in the syringe body cylinder, the inside cavity of thorn head, the one end of thorn head is for being used for corresponding the sharp end of pricking heparin tube sealing liquid sealing bag the utility model discloses effectively solved the tradition and carried out the washing and seal a tub complex operation's problem through many syringes.

Description

Pre-filling type washing tube sealing syringe

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to a pre-filling formula washing tube seals pipe syringe is related to.

Background

The blood vessel indwelling pipeline is a medical apparatus widely applied to clinic, is simple to operate, safe and convenient, not only solves the pain of repeated puncture of a patient, protects the blood vessel, but also lightens the nursing workload of nurses, is suitable for the patients who need to be injected for many times and are difficult to prick, particularly the critically ill patients, and can open the blood vessel channel at any time to take medicine, thereby improving the success rate of rescue; during the retention period of the blood vessel indwelling tube, after each transfusion or medication, physiological-like liquid and heparin saline are needed to be used for washing and sealing the tube, so that the blockage of the blood vessel indwelling tube due to the formation of thrombus caused by blood backflow during tube sealing is avoided; in the prior art, the clinical use of the heparin liquid seal tube is a link independent of flushing and communicating tubes, a nursing worker needs to carry two or more syringes for operation, and needs to repeatedly connect a catheter joint by using the syringes, so that the operation is complicated, the operation can be carried out by extremely skilled nursing workers, and otherwise, the pollution of a blood vessel indwelling pipeline is easily caused; in addition, the heparin tube flushing liquid for clinical use is a mixed solution prepared by heparin sodium or heparin calcium solution according to the proportion of 10-100u/ml, and needs to be refrigerated and stored in a refrigerator, is extremely unstable, needs to be taken out of the refrigerator during use, uses a 10ml syringe for sucking the use amount, covers a needle protection cap, and goes forward to operate, so that the liquid medicine is easily polluted in the process, the probability of needle puncture injury of medical personnel is greatly increased, and the phenomenon needs to be solved urgently.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model discloses a prefilled washing tube sealing syringe.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a pre-filled tube-washing and tube-sealing injector comprises an injector body, a heparin tube-sealing liquid sealing bag and a puncture head; saline solution for washing the tube is filled in the syringe of the injector body close to the needle head end, a cylindrical heparin tube sealing liquid sealing bag is filled between the saline solution in the syringe of the injector body and the piston head of the injector body, the diameter of the heparin tube sealing liquid sealing bag is correspondingly consistent with the inner diameter of the syringe of the injector body, and heparin tube sealing liquid is filled in the heparin tube sealing liquid sealing bag; the syringe comprises a syringe body, a syringe needle, a puncture head, a syringe needle, a needle head, a needle head, a needle tube, a needle head and a needle head, wherein the syringe body is provided with the syringe needle, the puncture head is arranged in the syringe body, the puncture head is hollow, one end of the puncture head is a sharp end; the open end of the needle head of the syringe body is provided with a sealing cover.

Preferably, the sealing cover is correspondingly connected with the outer wall of the syringe body through a flexible connecting piece.

Preferably, the closure cap is threadedly connected to the needle end of the syringe body.

Preferably, the push rod of the injector body is a two-section split structure with a head end and a tail end which are correspondingly abutted.

Preferably, the heparin tube sealing liquid sealing bag is made of medical rubber with contractive elasticity.

Preferably, the syringe of the injector body is made of transparent materials, and a plurality of identification lines are uniformly distributed on the outer wall of the syringe at intervals along the length direction of the syringe.

Preferably, the volume of the heparin tube sealing liquid in the heparin tube sealing liquid sealing bag is 2-4ml, and the volume of the saline solution in the syringe of the syringe body is 10 ml.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a prefilled type washing tube sealing syringe, simple structure, easy assembly, low production cost, the syringe body cylinder is provided with a puncture head, the puncture head is hollow inside, one end of the puncture head is a sharp end used for correspondingly puncturing a heparin tube sealing liquid sealing capsule, the other end is open, the open end of the puncture head is correspondingly communicated with one end of the syringe body needle correspondingly positioned in the syringe body cylinder, the corresponding connecting position of the puncture head and the syringe body needle is provided with an opening which enables the inner cavity of the syringe body cylinder to be correspondingly communicated with the needle, the syringe body piston head is provided with a blind hole which enables the puncture head to be correspondingly inserted close to one end of the puncture head, namely, the syringe body piston can be correspondingly butted with one end close to the needle in the syringe body cylinder, thereby saline solution and heparin tube sealing liquid can be completely extruded, the material of the heparin tube sealing liquid sealing capsule is medical rubber with contraction elasticity, the heparin tube sealing liquid sealing bag can be quickly contracted at the moment of being punctured by the puncture head, and the heparin tube sealing liquid is discharged, so that the operation is simple and efficient;

the sealing cover is correspondingly connected with the outer wall of the syringe body syringe through the flexible connecting piece, namely after the sealing cover is pulled out by medical personnel, the sealing cover is correspondingly and flexibly connected with the outer wall of the syringe body syringe through the flexible connecting piece, so that the corresponding connection of the syringe body syringe needle and other corresponding components is not influenced, and meanwhile, the sealing cover does not fall to generate fine garbage, thereby being beneficial to keeping cleanness and avoiding the falling of the sealing cover caused by the error operation of the medical personnel; in addition, the push rod of the injector body is of a two-section split structure with the head end and the tail end corresponding to each other and abutting against each other, when the injector body is stored, the head end and the tail end of the push rod of the injector body can be separately stored, even if the head end of the push rod of the injector body is correspondingly positioned in the needle cylinder of the injector body, the tail end of the push rod of the injector body is stored in the needle cylinder of the injector body in parallel, the length and the size of the injector body can be effectively reduced, and meanwhile, the situation that the sealing cover is.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the puncture head;

fig. 3 is a schematic structural view of the push rod of the syringe body.

In the figure: 1. an injector body; 2. a heparin tube sealing liquid sealing bag; 3. pricking a head; 4. a saline solution; 5. heparin tube sealing liquid; 6. an opening; 7. blind holes; 8. sealing the cover; 9. a flexible connector; 10. a head end; 11. and (5) ending.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

With reference to the attached drawings 1-3, the prefilled tube flushing and sealing injector comprises an injector body 1, a heparin tube sealing liquid sealing bag 2 and a puncture head 3; saline solution 4 for washing the tube is filled in the needle cylinder of the injector body 1 close to the needle head, a cylindrical heparin tube sealing liquid sealing bag 2 is filled between the saline solution 4 in the needle cylinder of the injector body 1 and the piston head of the injector body 1, the diameter of the heparin tube sealing liquid sealing bag 2 is correspondingly consistent with the inner diameter of the needle cylinder of the injector body 1, heparin tube sealing liquid 5 is filled in the heparin tube sealing liquid sealing bag 2, the heparin tube sealing liquid in the heparin tube sealing liquid sealing bag can be set to have different volumes according to the lengths of catheters of different types, the volume of the heparin tube sealing liquid 5 in the heparin tube sealing liquid sealing bag is 2-4ml, and the volume of the saline solution 4 in the needle cylinder of the injector body 1 is 10 ml; in addition, the concentration of the heparin tube sealing liquid 5 in the heparin tube sealing liquid sealing bag 2 is different according to different infusion catheters used by patients, if the patients use the infusion port, the concentration of the heparin tube sealing liquid 5 is 100u/ml, and if the patients use other catheters, the concentration of the heparin tube sealing liquid 5 is 0-10 u/ml;

a puncture head 3 is arranged in the needle cylinder of the injector body 1, the puncture head 3 is hollow, one end of the puncture head 3 is a sharp end used for correspondingly puncturing the heparin tube sealing liquid sealing bag 2, the other end of the puncture head 3 is open, the open end of the puncture head 3 is correspondingly communicated with one end of the needle of the injector body 1, which is correspondingly positioned in the needle cylinder of the injector body 1, an opening 6 for correspondingly communicating the inner cavity of the needle cylinder of the injector body 1 with the needle is arranged at the corresponding connecting position of the puncture head 3 and the needle of the injector body 1, a blind hole 7 capable of correspondingly inserting the puncture head 3 is arranged at one end of the piston head of the injector body 1, which is close to the puncture head 3, namely, a piston of the injector body 1 can be correspondingly abutted against one end, which is close to the needle; according to the requirement, the heparin tube sealing liquid sealing bag 2 is made of medical rubber with contraction elasticity, namely the heparin tube sealing liquid sealing bag 2 can be quickly contracted at the moment of being punctured by the puncturing head 3 and discharges the heparin tube sealing liquid 5, so that the operation is simple and efficient;

a sealing cover 8 is arranged at the open end of the needle head of the injector body 1; according to the needs, the sealing cover 8 is correspondingly connected with the outer wall of the syringe body 1 through the flexible connecting piece 9, namely after the sealing cover 8 is pulled out by medical personnel, the sealing cover 8 is correspondingly and flexibly connected with the outer wall of the syringe body 1 through the flexible connecting piece 9, so that the corresponding connection of the needle head of the syringe body 1 and other corresponding components is not influenced, meanwhile, the sealing cover 8 does not fall off to generate fine garbage, the cleaning is favorably kept, and the sealing cover 8 can be prevented from falling off due to error operation of the medical personnel; the sealing cover 8 is connected with the needle head end of the injector body 1 through threads, so that the sealing cover 8 can be prevented from falling off accidentally, and meanwhile, the threads at the needle head end of the injector body 1 can be correspondingly connected with the broken threaded conduit of the existing joint through threads, so that the connection stability can be improved, and the accidental disconnection at the joint can be prevented; in addition, the push rod of the injector body 1 is of a two-section split structure with the head end 10 and the tail end 11 correspondingly abutted against each other, when the injector body 1 is stored, the head end 10 and the tail end 11 of the push rod of the injector body 1 can be separately stored, even if the head end 10 of the push rod of the injector body 1 is correspondingly positioned in the needle cylinder of the injector body 1, the tail end 11 of the push rod of the injector body 1 and the needle cylinder of the injector body 1 are stored in parallel, the length size of the injector body 1 can be effectively reduced, and meanwhile, the situation that the sealing cover 8 is opened due to accidental stress of the push rod; the syringe of the injector body 1 is made of transparent materials, the outer wall of the syringe is uniformly distributed with a plurality of identification lines along the length direction of the syringe at intervals, and therefore when medical workers perform injection operation, the relative movement speed of the piston of the injector body 1 and the corresponding identification lines can be compared to judge the injection speed and judge the injection amount.

The pre-filled tube flushing and sealing injector of the utility model is implemented, before use, medical staff need to judge whether corresponding patients are suitable for heparin liquid sealing tubes or not, usually, the pre-filled tube flushing and sealing injector is suitable for infusion ports, PowerPICC catheters, CVC catheters, subclavian intravenous catheters and femoral intravenous catheters through the heparin liquid sealing tubes, when in use, the medical staff firstly opens the sealing cover 8 to ensure that the needle end of the injector body 1 is correspondingly communicated with the corresponding catheter, then pushes the push rod of the injector body 1 to start to inject the saline solution 4 into the corresponding catheter, judges whether the heparin tube sealing liquid 5 needs to be injected or not according to requirements, if the injection is required, the push rod of the injector body 1 is continuously pushed, the sharp end of the puncture head 3 punctures the heparin tube sealing liquid sealing bag 2, the heparin tube sealing liquid 5 can be injected into the corresponding catheter, if the heparin tube sealing liquid 5 does not need to be injected, after the injection of the saline solution 4, the rest of the main points are discarded, and the operation is simple and efficient.

The part of the utility model not detailed is prior art.

Claims

1. A pre-filled tube-flushing tube-sealing injector is characterized in that: also comprises a heparin tube sealing liquid sealing bag (2) and a puncture head (3); saline solution (4) for washing the tube is filled in the needle cylinder of the injector body (1) close to the needle head end, a cylindrical heparin tube sealing liquid sealing bag (2) is filled between the saline solution (4) in the needle cylinder of the injector body (1) and the piston head of the injector body (1), the diameter of the heparin tube sealing liquid sealing bag (2) is correspondingly consistent with the inner diameter of the needle cylinder of the injector body (1), and heparin tube sealing liquid (5) is filled in the heparin tube sealing liquid sealing bag (2); a puncture head (3) is arranged in the needle cylinder of the injector body (1), the puncture head (3) is hollow, one end of the puncture head (3) is a sharp end used for correspondingly puncturing the heparin tube sealing liquid sealing bag (2), the other end of the puncture head is open, the open end of the puncture head (3) is correspondingly communicated with one end, corresponding to the needle head of the injector body (1), of the needle head of the injector body (1) and positioned in the needle cylinder of the injector body (1), an opening (6) for correspondingly communicating the inner cavity of the needle cylinder of the injector body (1) with the needle head is arranged at the position where the puncture head (3) is correspondingly connected with the needle head of the injector body (1), and a blind hole (7) capable of enabling the puncture head (3) to be correspondingly inserted is arranged; the open end of the needle head of the injector body (1) is provided with a sealing cover (8).

2. A prefilled washtube sealed syringe as set forth in claim 1, wherein: the sealing cover (8) is correspondingly connected with the outer wall of the needle cylinder of the injector body (1) through a flexible connecting piece (9).

3. A prefilled washtube sealed syringe as set forth in claim 1, wherein: the sealing cover (8) is connected with the needle head end of the injector body (1) through threads.

4. A prefilled washtube sealed syringe as set forth in claim 1, wherein: the push rod of the injector body (1) is of a two-section split structure with a head end (10) and a tail end (11) which are correspondingly abutted.

5. A prefilled washtube sealed syringe as set forth in claim 1, wherein: the heparin tube sealing liquid sealing bag (2) is made of medical rubber with contractive elasticity.

6. A prefilled washtube sealed syringe as set forth in claim 1, wherein: the syringe body (1) cylinder is transparent material, and the cylinder outer wall has many sign lines along cylinder length direction equipartition interval arrangement.

7. A prefilled washtube sealed syringe as set forth in claim 1, wherein: the heparin tube sealing liquid (5) in the heparin tube sealing liquid sealing bag (2) is 2-4ml, and the saline solution in the needle cylinder of the injector body (1) is 10 ml.