CN213526814U

CN213526814U - Anti-extravasation chemotherapy drug delivery device for medical oncology

Info

Publication number: CN213526814U
Application number: CN202021540163.6U
Authority: CN
Inventors: 褚亮
Original assignee: Shaanxi Provincial Cancer Hospital
Current assignee: Shaanxi Provincial Cancer Hospital
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-06-25
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an anti-extravasation chemotherapy administration device for oncology, which comprises two groups of symmetrically arranged fixing mechanisms and an injection tube, wherein the fixing mechanisms comprise a left splint and a right splint which are symmetrically arranged, one end of the left splint and one end of the right splint are rotationally connected through a hinge, sliders are welded on the outer walls of the left splint and the right splint on one side of the hinge, slide bars are respectively inserted in the sliders in a sliding way, support rings are respectively and fixedly sleeved at the central positions of the two groups of slide bars, a fixed plate is arranged between the two groups of support rings, a first fixing ring is fixedly sleeved at the bottom end of the outer wall of the injection tube, a second fixing ring is fixedly sleeved at the top end of the outer wall of the injection tube, a needle tube is arranged at the central position of the bottom end surface of the injection tube, and the anti-extravasation chemotherapy administration device for oncology is suitable for patients with, avoid the drug from leaking along the needle tube due to over-high force, and improve the safety of treatment.

Description

Anti-extravasation chemotherapy drug delivery device for medical oncology

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to anti-extravasation chemotherapy medicine feeder of medical oncology.

Background

The oncology department, the internal medicine department, the surgery department, the obstetrics and gynecology department and the pediatrics department are the secondary subjects of clinical medicine, which are divided into the oncology department, the oncology radiotherapy department, the oncology department and the like, and the oncology department is mainly used for the medical treatment of various benign and malignant tumors; the tumor radiotherapy department is mainly engaged in the radiotherapy of tumors; tumor surgery provides a comprehensive treatment mainly based on surgery. The relevant departments of a special oncology hospital are subdivided according to different parts, such as gastrointestinal oncology, lymphoma oncology in oncology; the tumor surgery includes breast surgery, head and neck surgery, thoracic surgery, tumor gynecology, abdominal surgery, etc., and the medicine is sometimes required to be directly injected into the body of a patient when chemotherapy is performed in the medical oncology.

Because the height, fat and thin of the patient are the same, the size and the position of the fixing mechanism on the existing anti-extravasation chemotherapy administration device are not easy to adjust, so that the device cannot be suitable for patients with different statures and has poor applicability and stability; meanwhile, the time needed for injecting the medicine is long sometimes, the medical staff is difficult to accurately and stably control the strength for a long time when injecting the medicine, and the medicine is caused to leak along the needle eye by too much force, so that the accident of the treatment process is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-extravasation chemotherapy medicine feeder for medical oncology to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-extravasation chemotherapy administration device for medical oncology comprises two groups of fixing mechanisms and an injection tube, wherein the two groups of fixing mechanisms and the injection tube are symmetrically arranged, the fixing mechanisms comprise a left clamping plate and a right clamping plate which are symmetrically arranged, one ends of the left clamping plate and the right clamping plate are rotatably connected through a hinge, sliding blocks are welded on the outer walls of the left clamping plate and the right clamping plate on one side of the hinge, sliding rods are inserted in the two groups of sliding blocks in a sliding mode, supporting rings are fixedly sleeved at the central positions of the two groups of sliding rods, and a fixing plate is arranged between the two groups of supporting rings;

the injection syringe is characterized in that a first fixing ring is fixedly sleeved at the bottom end of the outer wall of the injection syringe, a second fixing ring is fixedly sleeved at the top end of the outer wall of the injection syringe, a needle tube is arranged at the center position of the bottom end face of the injection syringe, a lead screw is rotatably inserted into one side of the top end face of the second fixing ring, a micro motor for driving the lead screw to rotate is installed on the bottom end face of the second fixing ring, and a push plate is inserted into the bottom end of the lead screw in.

Preferably, left splint and right splint all are circular-arc, and the right splint side in opposite directions all bonds and has the foam-rubber cushion.

Preferably, both ends of the sliding rod are respectively in threaded sleeve joint with a limiting ring, and the plurality of groups of hinges are respectively provided with a torsion spring.

Preferably, the fixing rods are welded on the opposite side faces of the two groups of support rings, and the opposite side faces of the two groups of fixing rods are welded on the outer wall of the fixing plate.

Preferably, the central point of fixed plate puts and opens the injection hole, it has the screw to open on the fixed plate of injection hole symmetry both sides, the both sides of first solid fixed ring top end face symmetry all are provided with the bolt, and two sets of the bottom of bolt all passes first solid fixed ring respectively in two sets of screws on the fixed plate of threaded connection.

Preferably, the bottom end of the lead screw penetrates through the second fixing ring to be coaxially and fixedly connected with a crankshaft of the micro motor, the bottom end face of the push plate is fixedly connected with a push rod, and the bottom end of the push rod is inserted into the injection tube and fixedly connected with a piston.

The utility model discloses a technological effect and advantage:

1. this ware of dosing of preventing exosmosis chemotherapy of medical oncology, fixed establishment comprises left splint and right splint, and left splint and right splint pass through the hinge and rotate the connection, and install the torsional spring in the hinge, are convenient for adjust fixed establishment's size, and the equal slip grafting has the slide bar in the welded slider on left splint and the right splint, but through adjusting the slider position of sliding adjustment fixed establishment on the slide bar to be applicable to the patient of different statures, promoted the suitability.

2. The solid fixed ring top face of the fixed second that cup joints of outer wall top through the shooting pipe is fixed to be pegged graft and is had the lead screw, and the solid fixed ring bottom face of second installs and drives lead screw pivoted micro motor, the bottom screw thread of lead screw is pegged graft and is had the push pedal, push rod fixedly connected with piston is passed through to the bottom of push pedal, micro motor drives the lead screw at the uniform velocity and rotates, thereby drive push pedal and push rod at the uniform velocity downstream, the falling speed of the rotational speed control push rod of accessible accommodate motor and piston simultaneously, avoid leading to the medicine along the needle tubing exosmosis too greatly hard, the security of treatment has.

Drawings

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

FIG. 2 is a cross-sectional view of the injection tube of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a fixing mechanism; 2. a left splint; 3. a sponge cushion; 4. a hinge; 5. a limiting ring; 6. a right splint; 7. a slider; 8. a slide bar; 9. a support ring; 10. fixing the rod; 11. a screw hole; 12. an injection hole; 13. a fixing plate; 14. an injection tube; 15. a needle tube; 16. a first retaining ring; 17. a bolt; 18. a micro motor; 19. a lead screw; 20. a push rod; 21. pushing the plate; 22. a second retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an anti-extravasation chemotherapy medicine feeder for medical oncology, as shown in figures 1-3, comprising two sets of fixing mechanisms 1 and injection tubes 14 which are symmetrically arranged, wherein each fixing mechanism 1 comprises a left splint 2 and a right splint 6 which are symmetrically arranged, one ends of the left splint 2 and the right splint 6 are rotationally connected through a hinge 4, sliders 7 are welded on the outer walls of the left splint 2 and the right splint 6 on one side of the hinge 4, slide bars 8 are respectively inserted in the two sets of sliders 7 in a sliding way, support rings 9 are respectively fixedly sleeved at the central positions of the two sets of slide bars 8, a fixing plate 13 is arranged between the two sets of support rings 9, and a screw rod can be arranged on each slider 7, so that the sliders 7 can be fixed and moved;

the bottom end of the outer wall of the injection tube 14 is fixedly sleeved with a first fixing ring 16, the top end of the outer wall of the injection tube 14 is fixedly sleeved with a second fixing ring 22, a needle tube 15 is arranged at the center of the bottom end face of the injection tube 14, a lead screw 19 is rotatably inserted into one side of the top end face of the second fixing ring 22, a micro motor 18 (preferably an EMF170 slow motor) for driving the lead screw 19 to rotate is installed on the bottom end face of the second fixing ring 22, a push plate 21 is inserted into the bottom end thread of the lead screw 19, and the first fixing ring 16 and the second fixing ring 22 can be detached, so that the devices on the first fixing ring 16 and the second fixing ring 22 can be reused.

Concretely, left splint 2 and right splint 6 all are circular-arc, and the right splint 6 side in opposite directions of left splint 2 all bonds and has the foam-rubber cushion 3, and the foam-rubber cushion 3 can promote patient's comfort level.

Specifically, the both ends of slide bar 8 are all screwed joint has spacing ring 5, the multiunit all install the torsional spring in the hinge 4, and the torsional spring drives left splint 2 and right splint 6 and presss from both sides tightly.

Specifically, two sets of fixing rods 10 are welded on the opposite side surfaces of the support rings 9, and two sets of opposite side surfaces of the fixing rods 10 are welded on the outer wall of the fixing plate 13.

Specifically, an injection hole 12 is formed in the center of the fixing plate 13, screw holes 11 are formed in the fixing plate 13 on two symmetrical sides of the injection hole 12, bolts 17 are arranged on two symmetrical sides of the top end face of the first fixing ring 16, and the bottom ends of the two groups of bolts 17 penetrate through the first fixing ring 16 and are respectively in threaded connection with the two groups of screw holes 11 in the fixing plate 13.

Specifically, the bottom end of the lead screw 19 passes through the second fixing ring 22 and is coaxially and fixedly connected with the crankshaft of the micro motor 18, the bottom end face of the push plate 21 is fixedly connected with the push rod 20, and the bottom end of the push rod 20 is inserted into the injection tube 14 and is fixedly connected with the piston.

The working principle of the anti-extravasation chemotherapy administration device for the medical oncology department is that when in use, a left frame plate and a right frame plate 6 on two groups of fixing devices are respectively sleeved on the arm of a patient, a left splint 2 and a right splint 6 are fixed on the arm of the patient through a torsion spring in a hinge 4, a needle tube 15 is inserted into a vein on the arm of the patient through an injection hole 12 on a fixing plate 13, a bolt 17 on a second fixing ring 22 is screwed into a screw hole 11 on the fixing plate 13 according to the inserting depth, so that an injection tube 14 is fixed, after the fixation, a medical worker holds the injection tube 14, a micro motor 18 is started to drive a lead screw 19 to rotate (the shaking generated by the slow rotating speed of the micro motor 18 can be ignored), so as to drive a push plate 21 and a push rod 20 to push a piston to inject medicine into the patient, the micro motor 18 rotates at a constant speed, after the injection is finished, the bolt 17 is screwed, take off fixed establishment 1 can, this anti-extravasation chemotherapy medicine feeder of medical oncology is applicable to the patient of different statures, has promoted the suitability, avoids exerting oneself too greatly to lead to the medicine to extravasate along the needle tubing, has promoted the security of treatment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an anti-extravasation chemotherapy ware of dosing of medical oncology, includes two sets of fixed establishment (1) and injection syringe (14) that the symmetry set up, its characterized in that: the fixing mechanism (1) comprises a left clamping plate (2) and a right clamping plate (6) which are symmetrically arranged, one ends of the left clamping plate (2) and the right clamping plate (6) are rotatably connected through a hinge (4), sliding blocks (7) are welded on the outer walls of the left clamping plate (2) and the right clamping plate (6) on one side of the hinge (4), sliding rods (8) are inserted in the two groups of sliding blocks (7) in a sliding mode, supporting rings (9) are fixedly sleeved at the central positions of the two groups of sliding rods (8), and a fixing plate (13) is arranged between the two groups of supporting rings (9);

the injection syringe is characterized in that a first fixing ring (16) is fixedly connected to the bottom end of the outer wall of the injection syringe (14) in a fixed mode, a second fixing ring (22) is fixedly connected to the top end of the outer wall of the injection syringe (14) in a fixed mode, a needle tube (15) is arranged at the center of the bottom end face of the injection syringe (14), a lead screw (19) is rotatably inserted into one side of the top end face of the second fixing ring (22), a micro motor (18) driving the lead screw (19) to rotate is installed on the bottom end face of the second fixing ring (22), and a push plate (21) is inserted into the bottom.

2. The anti-extravasation chemotherapy dispenser of claim 1, wherein: the left splint (2) and the right splint (6) are both arc-shaped, and the sponge pads (3) are bonded to the opposite side faces of the left splint (2) and the right splint (6).

3. The anti-extravasation chemotherapy dispenser of claim 1, wherein: the two ends of the sliding rod (8) are in threaded sleeve connection with limiting rings (5), and torsion springs are installed in the hinges (4).

4. The anti-extravasation chemotherapy dispenser of claim 1, wherein: and fixing rods (10) are welded on one opposite side of the two groups of support rings (9), and one opposite side of the two groups of fixing rods (10) is welded on the outer wall of the fixing plate (13).

5. The anti-extravasation chemotherapy dispenser of claim 1, wherein: the central point of fixed plate (13) puts and opens injection hole (12), it has screw (11) to open on fixed plate (13) of injection hole (12) symmetry both sides, the both sides of first solid fixed ring (16) top end face symmetry all are provided with bolt (17), and are two sets of the bottom of bolt (17) all passes first solid fixed ring (16) respectively in two sets of screw (11) on fixed plate (13).

6. The anti-extravasation chemotherapy dispenser of claim 1, wherein: the bottom end of the lead screw (19) penetrates through a second fixing ring (22) to be coaxially and fixedly connected with a crankshaft of the micro motor (18), the bottom end face of the push plate (21) is fixedly connected with a push rod (20), and the bottom end of the push rod (20) is inserted into the injection tube (14) and is fixedly connected with a piston.