CN216535453U

CN216535453U - Auxiliary drug delivery device for intrathecal injection treatment of neurology department

Info

Publication number: CN216535453U
Application number: CN202122502318.8U
Authority: CN
Inventors: 张红鸭; 赵钢; 陈小武; 李方明; 高攀; 阳礼
Original assignee: Shenzhen University General Hospital
Current assignee: Shenzhen University General Hospital
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-17
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses an auxiliary drug delivery device for intrathecal injection therapy in neurology, which belongs to the technical field of medical instruments, and adopts the technical scheme that the auxiliary drug delivery device comprises a needle cylinder, wherein the right end of the outer side wall of the needle cylinder is fixedly connected with an installation cylinder, the left side of the lower end surface of the installation cylinder is fixedly connected with a handle, the right side inside the installation cylinder is connected with a bearing in a penetrating way, the upper end of the left side inside the installation cylinder is provided with a motor, the output end of the motor is detachably connected with a lead screw, the right end of the lead screw is movably connected with the left end of the bearing, the outer side wall of the lead screw is movably connected with a driving block, the inner side wall of the needle cylinder is tightly attached with a piston head, the right side of the piston head is detachably connected with a push rod, and the right end of the push rod is fixedly connected with a push block, so that the effect of conveniently driving liquid medicine to be uniformly injected into a patient body during intrathecal injection therapy of the patient is achieved, solves the problem that the existing medical care personnel hold the injector to push the push block to cause that the liquid medicine is difficult to be controlled to be injected into the body of a patient at a constant speed.

Description

Auxiliary drug delivery device for intrathecal injection therapy of neurology

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an auxiliary drug delivery device for intrathecal injection therapy in neurology.

Background

Intrathecal injection is to inject the medicine into the subarachnoid space directly through lumbar puncture, so that the medicine is dispersed in cerebrospinal fluid and reaches effective blood concentration quickly, thereby achieving the aim of treating intracranial lesions. At present, in the treatment and inspection processes of neurologic diseases (such as infectious meningitis, autoimmune meningoencephalitis, central nervous system demyelinating lesions, central nervous system inflammatory diseases, meningeal cancer and the like), cerebrospinal fluid is required to be extracted through lumbar puncture for assay and therapeutic drug injection.

At present, when the liquid medicine is injected into a sheath of a patient, the patient is held by a hand, a puncture needle connected with a head of the injector sprays medicine through a push block which is pushed by the hand, the mode is difficult to ensure that the liquid medicine is injected into the patient at a constant speed, and a push rod of the injector is exposed to the outside and easily brings bacteria into a needle cylinder, so that the risk of other complications is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problems and provides a neurology intrathecal injection treatment auxiliary drug delivery device to solve the problems.

The utility model discloses an auxiliary drug delivery device for intrathecal injection therapy in neurology, which comprises a needle cylinder, wherein the right end of the outer side wall of the needle cylinder is fixedly connected with an installation cylinder, the left side of the lower end surface of the installation cylinder is fixedly connected with a handle, the right side inside the installation cylinder is connected with a bearing in a penetrating manner, the upper end of the left side inside the installation cylinder is provided with a motor, the output end of the motor is detachably connected with a lead screw, the right end of the lead screw is movably connected with the left end of the bearing, the outer side wall of the lead screw is movably connected with a driving block, the inner side wall of the needle cylinder is tightly attached with a piston head, the right side of the piston head is detachably connected with a push rod, the right end of the push rod penetrates through the needle cylinder and extends into the installation cylinder, the right end of the push rod is fixedly connected with a push block, and the upper end surface of the push block is detachably connected with the lower end surface of the driving block.

In order to improve the stability of the pushing block in the process of moving left and right, the preferable auxiliary drug delivery device for the intrathecal injection therapy in the neurology department is that the bottom end inside the installation cylinder is provided with a sliding chute, the sliding chute is connected with a sliding block in a sliding manner, the upper end surface of the sliding block is fixedly connected with a connecting column, and the upper end surface of the connecting column is detachably connected with the lower end surface of the pushing block.

In order to provide a power supply for the operation of the motor conveniently, the preferable auxiliary drug delivery device for the intrathecal injection therapy in neurology department is that a power supply shell is installed on the right side of the installation cylinder, a storage battery is installed inside the power supply shell, and the storage battery is electrically connected with the motor.

In order to avoid the problem that the hand and the grip are easy to slip, the outer side wall of the grip is fixedly connected with a rubber anti-slip sleeve, which is preferred as the auxiliary drug delivery device for the intrathecal injection therapy in the neurology department of the utility model.

In order to conveniently charge the storage battery, the right side of the power supply shell is provided with a charging port which is electrically connected with the storage battery, which is preferred as the intrathecal injection therapy auxiliary drug delivery device for neurology.

In order to conveniently control the on and off of the motor, as a preferable mode of the intrathecal injection treatment auxiliary drug delivery device for neurology, a control panel is installed on the outer side wall of the installation cylinder and is located above the grip.

Compared with the prior art, the utility model has the beneficial effects that:

this kind of supplementary device of dosing of injection treatment in department of neurology intrathecal, when using the device to patient's lumbar puncture laxative, open the motor, it is rotatory that the motor drives the lead screw, the drive block drives the ejector pad and moves right, the liquid medicine suction that will need the injection is to the cylinder in, hold the handle after that, open the motor, the motor drives lead screw antiport, the lead screw drives the drive block at the uniform velocity and moves left, it moves left to drive the ejector pad, the push rod drives the piston head at the uniform velocity and releases the liquid medicine left and carry out the laxative, thereby reached and conveniently driven the liquid medicine when treating the laxative to the patient and squeeze into the internal effect of patient at the uniform velocity, the problem that current medical personnel held the syringe and promoted the ejector pad and lead to being difficult to control the liquid medicine at the uniform velocity and inject to the patient is internal has been solved.

Drawings

FIG. 1 is a structural diagram of an auxiliary drug delivery device for intrathecal injection therapy for neurology in accordance with the present invention;

FIG. 2 is a cross-sectional view of a neurological intrathecal injection therapy auxiliary delivery device of the utility model;

fig. 3 is an enlarged view of the utility model at a in fig. 1.

In the figure, 1, a syringe; 101. a piston head; 102. a push rod; 103. a push block; 2. mounting the cylinder; 201. a grip; 202. a rubber anti-slip sleeve; 203. a chute; 3. a motor; 301. a lead screw; 302. a bearing; 303. a drive block; 304. connecting columns; 305. a slider; 4. a power supply housing; 401. a storage battery; 402. a charging port; 5. a control panel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Please refer to fig. 1-3, a device of assisting drug delivery for intrathecal injection therapy for neurology department, including a needle cylinder 1, the lateral wall right-hand member fixedly connected with installation section of thick bamboo 2 of needle cylinder 1, the lower terminal surface left side fixedly connected with handle 201 of installation section of thick bamboo 2, the inside right side through connection of installation section of thick bamboo 2 has bearing 302, motor 3 is installed to the inside left side upper end of installation section of thick bamboo 2, motor 3's output can be dismantled and be connected with lead screw 301, the right-hand member of lead screw 301 and bearing 302's left end swing joint, the lateral wall swing joint of lead screw 301 has drive block 303, the inside wall of needle cylinder 1 closely laminates piston head 101, the right side of piston head 101 can be dismantled and be connected with push rod 102, the right-hand member of push rod 102 runs through needle cylinder 1 and extends to the inside of installation section of thick bamboo 2, the right-hand member fixedly connected with ejector pad 103 of push rod 102, the up end of push block 103 can be dismantled and be connected with the lower terminal surface of drive block 303.

In this embodiment: when the device is used for puncture insecticide spraying for a patient, the motor 3 is started, the motor 3 drives the screw rod 301 to rotate, the driving block 303 drives the pushing block 103 to move rightwards, the liquid medicine to be injected is pumped into the needle cylinder 1, then the handle 201 is held by hands, the motor 3 is started, the motor 3 drives the screw rod 301 to rotate reversely, the screw rod 301 drives the driving block 303 to move leftwards at a constant speed, the pushing block 103 is driven to move leftwards, the push rod 102 drives the piston head 101 to push the liquid medicine to be sprayed leftwards at a constant speed, therefore, the effect of conveniently driving the liquid medicine to be pumped into the patient at a constant speed when the medicine is sprayed for treatment of the patient is achieved, and the problem that the liquid medicine is difficult to control to be injected into the patient at a constant speed due to the fact that the pushing block 103 is held by a syringe by a hand of an existing medical worker is solved.

As a technical optimization scheme of the utility model, the bottom end inside the installation barrel 2 is provided with a sliding groove 203, the sliding groove 203 is connected with a sliding block 305 in a sliding manner, the upper end surface of the sliding block 305 is fixedly connected with a connecting column 304, and the upper end surface of the connecting column 304 is detachably connected with the lower end surface of the push block 103.

In this embodiment: when the push block 103 moves left and right, the slide block 305 is positioned in the slide groove 203 to slide left and right at the same time, so that the stability of the push block 103 moving left and right is improved.

As a technical optimization scheme of the utility model, a power supply shell 4 is installed on the right side of the installation cylinder 2, a storage battery 401 is installed inside the power supply shell 4, and the storage battery 401 is electrically connected with the motor 3.

In this embodiment: when the device operates, the storage battery 401 is used for conveniently providing power for the operation of the motor 3.

As a technical optimization scheme of the utility model, the outer side wall of the handle 201 is fixedly connected with a rubber anti-slip sleeve 202.

In this embodiment: when the grip 201 is held by hand, the problem that the hand is easy to slip with the grip 201 is avoided through the rubber anti-slip sleeve 202.

As a technical optimization scheme of the present invention, a charging port 402 is installed on the right side of the power supply housing 4, and the charging port 402 is electrically connected with the storage battery 401.

In this embodiment: the charging line is connected to the charging port 402, so that the storage battery 401 is conveniently charged.

As a technical optimization scheme of the utility model, the outer side wall of the mounting tube 2 is provided with the control panel 5, and the control panel 5 is positioned above the grip 201.

In this embodiment: the opening and closing of the motor 3 are further conveniently controlled through the control panel 5.

The working principle and the using process of the utility model are as follows: when the device is used for puncture pesticide spraying for a patient, the motor 3 is started by pressing a control button on the control panel 5, the motor 3 drives the screw 301 to rotate, the driving block 303 drives the pushing block 103 to move rightwards, liquid medicine to be injected is sucked into the needle cylinder 1, then the grip 201 is held by a hand, the motor 3 is started, the motor 3 drives the screw 301 to rotate reversely, the screw 301 drives the driving block 303 to move leftwards at a constant speed, when the pushing block 103 moves leftwards, the sliding block 305 is simultaneously positioned in the sliding groove 203 to slide leftwards, the pushing block 103 is driven to move leftwards, and the pushing rod 102 drives the piston head 101 to push the liquid medicine leftwards at a constant speed to perform pesticide spraying.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a supplementary device of dosing of department of neurology intrathecal injection treatment, includes cylinder (1), its characterized in that: the outer side wall right end of the needle cylinder (1) is fixedly connected with an installation cylinder (2), the lower end face left side of the installation cylinder (2) is fixedly connected with a handle (201), the right side inside the installation cylinder (2) is connected with a bearing (302) in a penetrating manner, the upper end of the left side inside the installation cylinder (2) is provided with a motor (3), the output end of the motor (3) is detachably connected with a lead screw (301), the right end of the lead screw (301) is movably connected with the left end of the bearing (302), the outer side wall of the lead screw (301) is movably connected with a driving block (303), the inner side wall of the needle cylinder (1) is tightly attached with a piston head (101), the right side of the piston head (101) is detachably connected with a push rod (102), the right end of the push rod (102) penetrates through the needle cylinder (1) and extends to the inside of the installation cylinder (2), and the right end of the push block (103) is fixedly connected with the push rod (102), the upper end surface of the push block (103) is detachably connected with the lower end surface of the driving block (303).

2. The intrathecal injection therapy auxiliary drug delivery device for neurology as claimed in claim 1, wherein: spout (203) have been seted up to the inside bottom of installation section of thick bamboo (2), the inside sliding connection of spout (203) has slider (305), the up end fixedly connected with spliced pole (304) of slider (305), the up end of spliced pole (304) can be dismantled with the lower terminal surface of ejector pad (103) and be connected.

3. The intrathecal injection therapy auxiliary drug delivery device for neurology as claimed in claim 1, wherein: power shell (4) are installed on the right side of installation section of thick bamboo (2), the internally mounted of power shell (4) has battery (401), be electric connection between battery (401) and motor (3).

4. The intrathecal injection therapy auxiliary drug delivery device for neurology according to claim 1, wherein: the outer side wall of the handle (201) is fixedly connected with a rubber anti-slip sleeve (202).

5. The intrathecal injection therapy auxiliary drug delivery device for neurology as in claim 3, wherein: the right side of the power supply shell (4) is provided with a charging port (402), and the charging port (402) is electrically connected with the storage battery (401).

6. The intrathecal injection therapy auxiliary drug delivery device for neurology according to claim 1, wherein: control panel (5) are installed to the lateral wall of installation section of thick bamboo (2), control panel (5) are located the top of handle (201).