CN219208463U

CN219208463U - Multi-head indwelling needle

Info

Publication number: CN219208463U
Application number: CN202223425142.1U
Authority: CN
Inventors: 顾懿珺; 蔡敏; 李丹; 邵梦玲; 宛玉; 陈伊宁
Original assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Current assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-20
Anticipated expiration: 2032-12-20

Abstract

The application relates to the field of medical equipment, specifically discloses a multi-head indwelling needle, which comprises a connector, a tube seat provided with an inclined connector, indwelling tubes, a hose, a needle seat and a steel needle, wherein a plurality of infusion tubes are connected to the connector, infusion regulators used for adjusting infusion speed are arranged on the infusion tubes, and one ends of the infusion tubes, far away from the connector, are detachably connected with end caps. This application has the effect that reduces medical personnel's complex operation degree.

Description

Multi-head indwelling needle

Technical Field

The application relates to the field of medical equipment, in particular to a multi-head indwelling needle.

Background

The intravenous needle is also called intravenous trocar, is commonly called indwelling needle for short, is a needle head which is commonly used for intravenous infusion at present, and can reduce pain of patients caused by repeated venipuncture and alleviate the dysphoria of the patients.

The Chinese patent document with the bulletin number of CN202314698U discloses a retaining needle, which comprises a connector, a retaining tube, a hose, a needle seat, a tube seat and a steel needle, wherein the retaining tube is arranged at the lower end of the tube seat, the steel needle is fixed on the needle seat and is arranged in the retaining tube, the output end of the hose is connected with the inclined interface at the side surface of the tube seat, the connector is a tee, the lower port of the tee is connected with the input end of the hose, the two openings at the upper part of the tee are respectively provided with a heparin cap and an end cap, and a filtering device for filtering impurities in liquid medicine is further arranged between the tee and the hose. In the use process, the end cap is detached, then the infusion tube is connected with the infusion bag, and the heparin cap imitates the principle of blessing to produce a tube sealing effect on the indwelling needle.

In the treatment process, on one hand, different liquid medicines are often required to be simultaneously input into a patient, and at present, different liquid medicines are often mixed in advance by medical staff and then are infused; on the other hand, each time the infusion type is changed, the indwelling needle needs to be separated from the old infusion bag and then connected with the new infusion bag. The operation process is complicated and time-consuming, so that improvement is needed.

Disclosure of Invention

In order to reduce the degree of complexity of medical personnel's operation, this application provides a multi-headed detaining needle.

The application provides a bull keep somewhere needle adopts following technical scheme:

the utility model provides a needle is kept somewhere to multi-head, includes connector, is equipped with the tube socket of bevel connection, keeps somewhere pipe, hose, needle file and steel needle, its characterized in that: the infusion device is characterized in that a plurality of infusion tubes are connected to the connector, an infusion regulator used for regulating the infusion speed is arranged on each infusion tube, and an end cap is detachably connected to one end, away from the connector, of each infusion tube.

By adopting the technical scheme, on one hand, when a patient needs to input different liquid medicines at the same time, the infusion bags of the liquid medicines are connected with the infusion pipes in a one-to-one correspondence manner, the infusion speed of each infusion pipe is regulated by the infusion regulator on the infusion pipes, and the liquid medicines are fully mixed when entering the hose, so that the different liquid medicines are input to the patient at the same time, the medical staff is not required to mix the liquid medicines in advance, and the operation is simple and quick; on the other hand, when the patient needs to change the transfusion type, the transfusion speed of the transfusion tube connected with the old transfusion bag is regulated through the transfusion regulator on the transfusion tube, so that the transfusion of the old transfusion bag is stopped, then the transfusion bag needing to be input with liquid medicine is connected with the other transfusion tube, and the transfusion speed of the transfusion bag is regulated through the transfusion regulator, thereby completing the change of the transfusion type, eliminating the need of medical staff to dismantle the old transfusion bag, and having simpler and more convenient change process.

Optionally, a fluid supplementing switch for closing or opening the hose pipeline is arranged on the hose.

Through adopting above-mentioned technical scheme, after the infusion is accomplished, through the closed hose of fluid infusion switch, make the interior liquid medicine of transfer line no longer carry to the patient, simultaneously, prevent patient's blood refluence entering hose after the infusion finishes.

Optionally, the fluid infusion switch is the stagnant water clamp, the stagnant water clamp is located the connector with between the tube socket, the stagnant water clamp includes semicircle portion and fixed end, the fixed connection of semicircle portion one end at the semicircle portion, the expansion end of fixed connection at the semicircle portion other end, semicircle portion with the fixed end and the expansion end encloses into and is used for the centre gripping space of hose, be provided with on the fixed end and be used for adjusting the stagnant water clamp clamping force's regulating part.

Through adopting above-mentioned technical scheme, during the use, adjust the stagnant water through regulating part and press from both sides the clamping strength to the hose, and then adjust opening or closing of hose.

Optionally, a fixing patch for fixing the connector near the infusion part of the patient is arranged on the connector.

Through adopting above-mentioned technical scheme, during the use, fix the connector near patient's infusion position through the fixed subsides, prevent to rock because of the activity near patient's infusion position leads to the connector, make infusion process more stable.

Optionally, a first label is arranged on one side surface of the fixing patch.

Through adopting above-mentioned technical scheme, the fixed subsides is near the infusion position through the sticky colloid subsides on surface and patient, and medical personnel is with the record of basic information or notice etc. of patient on first label for medical personnel's work is more simple and convenient, simultaneously, also plays the effect of reminding the patient.

Optionally, a second label is arranged on the outer wall of the infusion tube.

Through adopting above-mentioned technical scheme, the mark can be made on the second label to some high warning, high risk medicine to remind patient and medical personnel.

Optionally, the outside cladding of keeping somewhere the pipe has the overcoat, overcoat one end with the tube socket is detachable to be connected, set firmly on the overcoat outer wall and dismantle the ring.

By adopting the technical scheme, the outer sleeve is arranged, so that the steel needle is prevented from stabbing medical staff before use; the arrangement of the disassembly ring makes the disassembly of the outer sleeve more convenient.

Optionally, an exhaust valve is arranged at the end part of the connector connected with the hose.

Through adopting above-mentioned technical scheme, through discharge valve with the bubble interception and the discharge in the liquid medicine, prevent that the bubble from entering into the patient along with the liquid medicine.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when patients need to input different liquid medicines at the same time, medical staff directly connect a plurality of infusion bags of the liquid medicines with a plurality of infusion tubes; when changing the medicine, firstly, the infusion tube connected with the old infusion bag is closed through the infusion regulator, and then the medicine liquid to be changed is connected with the other infusion tube, so that the operation is simple, convenient and quick, and the time is saved;

2. the fixing paste, the exhaust valve and other structures play roles in preventing the connector from shaking, bubbles from entering the blood vessel of a patient and the like, so that the infusion process is more reliable;

3. through marking patient information or medicine information on first label and second label, make things convenient for medical personnel or patient to look over, play the effect of warning simultaneously, make the treatment more convenient.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure of a stem portion.

Fig. 3 is an enlarged schematic view of the exhaust valve.

Reference numerals: 1. a connector; 2. a tube seat; 21. a retention tube; 22. a needle stand; 23. a steel needle; 3. a hose; 31. an exhaust valve; 311. a housing; 312. a filter sheet; 4. an infusion tube; 41. an infusion regulator; 42. an end cap; 43. a second label; 5. a fluid supplementing switch; 51. a water stop clamp; 511. a semicircular part; 512. a fixed end; 513. a movable end; 6. fixing the paste; 61. a first label; 7. a jacket; 71. the ring is disassembled.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a multi-head indwelling needle.

Referring to fig. 1 and 2, a multi-head indwelling needle comprises a connector 1, a tube seat 2 provided with an inclined joint, an indwelling tube 21, a hose 3, a needle seat 22 and a steel needle 23, wherein one end of the tube seat 2 is in threaded connection with the needle seat 22, the other end of the tube seat 2 is fixedly connected with the indwelling tube 21, one end of the steel needle 23 is fixedly arranged on the needle seat 22, the other end of the steel needle penetrates out of the tube seat 2 and is covered in the indwelling tube 21, one end of the hose 3 is fixedly connected with the inclined joint of the tube seat 2, the other end of the hose 3 is fixedly connected with the connector 1, one side of the connector 1 far away from the hose 3 is connected with 3 infusion tubes 4 (in other embodiments, the number of the infusion tubes 4 can be 4, 5 and the like), the 3 infusion tubes 4 are provided with infusion regulators 41 (in other embodiments, the infusion regulators 41 can be water stop clamps 51), and one end of the infusion tube 4 far away from the connector 1 is in threaded connection with an end cap 42; in use, the end cap 42 is removed to connect the infusion tube 4 to an infusion bag, and the infusion speed of the infusion tube 4 is regulated by the infusion regulator 41.

Referring to fig. 1, a fluid-filling switch 5 for opening or closing a pipeline of the hose 3 is disposed on the hose 3, the fluid-filling switch 5 may be an infusion regulator 41, a water-stopping clip 51, etc., in this embodiment, the fluid-filling switch 5 is preferably the water-stopping clip 51, the water-stopping clip 51 includes a semicircular portion 511 and a fixed end 512 fixedly connected to one end of the semicircular portion 511, a movable end 513 fixedly connected to the other end of the semicircular portion 511, the fixed end 512 and the movable end 513 enclose a clamping space for clamping the hose 3, an adjusting member for adjusting the clamping force of the water-stopping clip 51 is disposed on the fixed end 512, in this embodiment, the adjusting member is a plurality of clamping teeth fixedly disposed on the fixed end 512, and the plurality of clamping teeth are sequentially arranged along a direction close to the semicircular portion 511, and the clamping force of the water-stopping clip 51 to the hose 3 is adjusted by abutting the movable end 513 with different clamping teeth, so as to control the opening and closing of the hose 3, or further adjust the infusion speed. During transfusion, the water stop clamp 51 is opened to enable the liquid medicine to be conveyed into a patient through the hose 3; after the transfusion is finished, the water stop clamp 51 is adjusted to close the hose 3 so as to prevent the backflow of blood after the transfusion is stopped.

Referring to fig. 1, in order to fix the connector 1 near the infusion site of the patient, so as to prevent the connector 1 from shaking caused by the body motion of the patient, and further to separate the indwelling tube 21 from the blood vessel, two fixing patches 6 are fixedly connected to two sides of the connector 1, the fixing patches 6 are magic tapes, the fixing patches 6 on one side of the connector 1 are hook surfaces of the magic tape, the other side is a hook surface of the magic tape, and the hook surfaces of the magic tape and the hook surface of the magic tape encircle the vicinity of the infusion site of the patient and are adhered to each other, so that the connector 1 is fixed; in addition, a plurality of infusion tubes 4 can be gathered and fixed through the fixing paste 6, so that inconvenience to patients and medical staff caused by the dispersion of the infusion tubes 4 is reduced.

In other embodiments, the fixing patch 6 may be an adhesive tape with an adhesive gel coated on one surface, and the fixing patch 6 may be adhered near the infusion part of the patient to fix the connector 1.

Referring to fig. 1 and 3, an exhaust valve 31 is arranged between the connector 1 and the hose 3, the exhaust valve 31 comprises a shell 311 and a filter disc 312 in the shell 311, the filter disc 312 separates the upper part from the lower part of the space in the shell 311, when in transfusion, liquid medicine enters the shell 311, air bubbles in the liquid medicine gather at the upper part of the space in the shell 311 under the action of gravity, the liquid medicine penetrates the filter disc 312 to gather at the lower part of the space in the shell 311, separation of the liquid medicine and air is realized, and air embolism caused by air bubbles in the liquid medicine entering blood is prevented; at the same time, the filter 312 of the exhaust valve 31 filters the liquid medicine to prevent impurities from entering the patient.

In other embodiments, the exhaust valve can also be a dropping funnel, the wall of the dropping funnel encloses a dropping funnel cavity for storing liquid medicine, and the upper part of the dropping funnel is also provided with an exhaust hole; when the liquid medicine is used, liquid medicine is dropped from the liquid inlet at the upper end of the dropping funnel and is gathered at the lower part of the cavity of the dropping funnel, gas in the liquid medicine is gathered at the upper part of the dropping funnel, the air at the upper part of the cavity of the dropping funnel is extruded by the dropping funnel to be discharged from the exhaust hole, the liquid outlet at the lower end of the dropping funnel is connected with the hose 3, and the liquid medicine gathered at the lower part of the cavity of the dropping funnel flows into the hose 3 to finish the separation and the discharge of the air and the liquid medicine.

Referring to fig. 1 and 2, in the treatment process, part of high-warning and high-risk medicines need to be identified to remind medical staff and patients, for this reason, the infusion tube 4 is provided with a second label 43, and the medical staff records the medicine liquid information on the second label 43 of the corresponding infusion tube 4 to realize the identification of the high-risk medicines; the surface of the fixed label 6 is provided with a first label 61, and medical staff can mark patient information, retention time, notes and the like on the first label 61, so that the patient or the medical staff is reminded; the retaining tube 21 is externally covered with an outer sleeve 7 which is in buckling connection with the tube seat 2, so that the outer sleeve 7 is conveniently separated from the tube seat 2 by medical staff, the end part of the outer sleeve 7 far away from the tube seat 2 is fixedly connected with a disassembly ring 71, and the outer diameter of the disassembly ring 71 is gradually reduced along the direction close to the tube seat 2.

The implementation principle of the multi-head indwelling needle provided by the embodiment of the application is as follows: taking down the coat 7 of the indwelling tube 21, pushing the steel needle 23 and the indwelling tube 21 into the vein of the patient, holding the needle seat 22, separating the needle seat 22 from the tube seat 2, driving the steel needle 23 to separate from the indwelling tube 21, at the moment, the head of the indwelling tube 21 is still reserved in the vein of the patient, fixing the connector 1 near the transfusion part of the patient through the fixing patch 6, unscrewing the end cap 42, connecting the transfusion tube 4 with the transfusion bag, opening the water stop clamp 5, regulating the transfusion speed through the transfusion regulator 41, and sequentially flowing the liquid medicine from the transfusion bag through the transfusion tube 4, the connector 1, the exhaust valve 31, the hose 3, the tube seat 2 and the indwelling tube 23 into the vein of the patient.

When different liquid medicines are required to be simultaneously input into a patient, the infusion bags of the liquid medicines are connected with the infusion pipes 4 in a one-to-one correspondence manner, the infusion speed of each infusion pipe 4 is regulated through the infusion regulator 41 on the infusion pipes 4, and the liquid medicines are fully mixed when entering the hose 3, so that the different liquid medicines are simultaneously input into the patient, and medical staff is not required to mix the liquid medicines in advance.

When the patient needs to change the infusion type, the water stop clamp 51 and the infusion regulator 41 are closed to stop the infusion of the old infusion bag, then the infusion bag needing to be infused with the liquid medicine is connected with the other infusion tube 4, the infusion speed of the infusion bag is regulated by the infusion regulator 41, the water stop clamp 51 is opened to finish the change of the infusion type, and medical staff is not required to dismantle the old infusion bag.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a multi-head keep somewhere needle, includes connector (1), is equipped with tube socket (2), keep somewhere pipe (21), hose (3), needle file (22) and steel needle (23), its characterized in that: the infusion device is characterized in that a plurality of infusion tubes (4) are connected to the connector (1), an infusion regulator (41) used for regulating the infusion speed is arranged on each infusion tube (4), and an end cap (42) is detachably connected to one end, away from the connector (1), of each infusion tube (4).

2. A multi-headed catheter needle according to claim 1, wherein: the hose (3) is provided with a fluid supplementing switch (5) for closing or opening a pipeline of the hose (3).

3. A multi-headed catheter needle according to claim 2, wherein: the liquid supplementing switch (5) is a water stopping clamp (51), the water stopping clamp (51) is located between the connector (1) and the tube seat (2), the water stopping clamp (51) comprises a semicircular part (511) and a fixed end (512) fixedly connected with one end of the semicircular part (511), a movable end (513) fixedly connected with the other end of the semicircular part (511), the semicircular part (511) is surrounded by the fixed end (512) and the movable end (513) to form a clamping space for clamping the hose (3), and an adjusting piece for adjusting the clamping force of the water stopping clamp (51) is arranged on the fixed end (512).

4. A multi-headed catheter needle according to claim 1, wherein: the connector (1) is provided with a fixing patch (6) for fixing the connector (1) near the transfusion part of the patient.

5. A multi-headed catheter needle according to claim 4, wherein: a first label (61) is arranged on one side surface of the fixing patch (6).

6. A multi-headed catheter needle according to claim 1, wherein: the outer wall of the infusion tube (4) is provided with a second label (43).

7. A multi-headed catheter needle according to claim 1, wherein: the outside cladding of keeping somewhere pipe (21) has overcoat (7), overcoat (7) with tube socket (2) detachable connection, set firmly on overcoat (7) outer wall and dismantle ring (71).

8. A multi-headed catheter needle according to claim 1, wherein: an exhaust valve (31) is arranged between the connector (1) and the hose (3).