CN113230519B

CN113230519B - Little pipe fixing device of nerve intervention art

Info

Publication number: CN113230519B
Application number: CN202110712269.2A
Authority: CN
Inventors: 张潇文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2022-10-18
Anticipated expiration: 2041-06-25
Also published as: CN113230519A

Abstract

The invention relates to the technical field of medical instruments, in particular to a micro catheter fixing device for a nerve intervention operation, which comprises: the mounting base is provided with a window for the micro catheter to pass through, and a clamping bag is arranged in the window and used for fixing the micro catheter; the number of the adsorption units is at least one, and each group of the adsorption units are respectively and movably arranged on two sides of the installation seat body; the central driving system is arranged in the mounting seat body; the trigger piece is arranged between the adsorption unit and the installation seat body; on one hand, the micro catheter is clamped and fixed by inflating the clamping bag, the situation that the micro catheter is easily damaged by clamping of a traditional clamp is eliminated, on the other hand, air between the adsorption sheet and the human epidermis is pumped out to reach a vacuum state, so that the whole device and the human epidermis at different minimally invasive surgery positions are fixed, the automation degree of the whole process is high, and the medical care personnel are not required to adopt a compact instrument for operation.

Description

Little pipe fixing device of nerve intervention art

Technical Field

The invention relates to the technical field of medical instruments, in particular to a micro catheter fixing device for a nerve intervention operation.

Background

With the increasing medical level, minimally invasive surgery becomes the mainstream of the times, and is popular among patients due to the good treatment effect and the less pain brought to the patients, wherein neuro-interventional surgery is one type of minimally invasive surgery.

Microcatheters are used in a variety of medical procedures for the diagnosis and treatment of conditions and diseases occurring at remote, highly tortuous vascular sites. Typically, a microcatheter is introduced into a patient's vasculature at a first location and then advanced through the patient's vasculature until the distal end of the microcatheter reaches a desired target location.

Because some microcatheters need to be left in a human body for a long time, fixing devices are needed to fix the microcatheters with the human body, and the phenomenon of falling off is avoided.

Disclosure of Invention

The present invention is directed to a micro-catheter fixing device for nerve intervention, which solves the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a neuro-interventional micro-catheter securement device, comprising:

the mounting base is provided with a window for the micro-catheter to pass through, and a clamping bag is arranged in the window and used for fixing the micro-catheter;

the number of the adsorption units is at least one, and each group of the adsorption units is respectively and movably arranged on two sides of the installation seat body and used for fixing the installation seat body on a human body;

the central driving system is arranged in the mounting seat body and can control the adsorption unit to work and adjust the volume of the clamping bag; and

and the trigger piece is arranged between the adsorption unit and the mounting seat body, and controls the central driving system to work when the adsorption unit moves to a set position relative to the mounting seat body.

The application further adopts the technical scheme that: the mounting seat body comprises a supporting seat and a fixing seat;

the fixing seat is arranged on the supporting seat, the adsorption unit is movably arranged on the supporting seat, and the window is arranged on the fixing seat.

The application further adopts the technical scheme that: the adsorption unit comprises a fixing band, at least one adsorption piece with a hollow middle part and a connecting arm;

the connecting arms are movably arranged on the supporting seat and are adjacent to each other, the connecting arms are connected through elastic pieces, the fixing belt is connected with the connecting arms, the adsorption pieces are arranged on the fixing belt, and the adsorption pieces are communicated with the central driving system.

The application further adopts the technical scheme that: and a pulling handle is also arranged on the fixing belt.

This application still further technical scheme: the central drive mechanism includes:

the driving box is arranged in the supporting seat, a cavity is arranged in the driving box, a first through hole and a second through hole which are communicated with the cavity are further formed in the driving box, and the first through hole and the second through hole are respectively connected with the clamping bag and the adsorption unit;

the inflation module is arranged in the cavity and is connected with the clamping bag;

the air extraction module is also arranged in the cavity, the air extraction module is connected with the adsorption unit, and the air extraction module is connected with the inflation module; and

the first power part is arranged in the driving box and used for controlling the inflation module and the air exhaust module to work.

This application still further technical scheme: the trigger piece comprises a guide post, a touch switch and a trigger element;

the guide post is arranged in the supporting seat, a guide rail for the guide post to slide is arranged on the connecting arm, the touch switch is arranged on the connecting arm, the guide post is located on a moving path of the touch switch, and the trigger element is arranged in the supporting seat and electrically connected with the guide post and the touch switch.

This application still further technical scheme: the locking unit is used for fixing the position of the connecting arm on the supporting seat;

the locking unit comprises a locking seat, a collision part and a second power piece;

the locking seat activity sets up on the supporting seat, conflict portion sets up on the locking seat, the setting of second power spare is in and adjustable in the supporting seat the locking seat is in position on the supporting seat, be equipped with the confession on the linking arm locking seat male draw-in groove.

Compared with the prior art, the technical scheme provided by the embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, by utilizing the principle of expansion with heat and contraction with cold, when the supporting seat and the adsorption sheet are tightly attached to the human epidermis by pulling the handle, the central driving system is controlled to work by rotating the trigger piece, so that the micro catheter is clamped and fixed by inflating the clamping bag on one hand, the situation that the micro catheter is easily damaged by the traditional clamp clamping is avoided, and on the other hand, air between the adsorption sheet and the human epidermis is pumped out to reach a vacuum state, so that the whole device is fixed to the human epidermis at different minimally invasive surgery positions, the automation degree of the whole process is high, and medical workers do not need to adopt tight instruments for operation.

Drawings

FIG. 1 is a schematic structural diagram of a neuro-interventional micro-catheter fixing device in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a central driving system in the neuro-interventional micro-catheter fixing device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a connecting arm in the neuro-interventional micro-catheter fixing device in the embodiment of the invention;

FIG. 4 is a schematic structural diagram of a locking unit in the neuro-interventional micro-catheter fixing device according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a locking seat in the neuro-interventional micro-catheter fixing device in the embodiment of the invention.

The reference numerals in the schematic drawings illustrate:

1-supporting seat, 2-fixed seat, 3-clamping bag, 4-central driving system, 401-driving box, 402-cavity, 403-first piston, 404-connecting rod, 405-second piston, 406-first through hole, 407-second through hole, 408-first air bag, 5-pulling handle, 6-fixing band, 7-adsorption piece, 8-connecting arm, 9-guide post, 10-touch switch, 11-tension spring, 12-heating piece, 13-locking unit, 1301-locking seat, 1302-touch part, 1303-second air bag and 14-guide rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.

Referring to fig. 1-5, in one embodiment of the present application, a neuro-interventional micro-catheter fixation device includes:

the mounting base is provided with a window for the micro catheter to pass through, and a clamping bag 3 is arranged in the window and used for fixing the micro catheter;

the central driving system 4 is arranged in the mounting seat body, and the central driving system 4 can control the adsorption unit to work and adjust the volume of the clamping bag 3; and

and the trigger piece is arranged between the adsorption unit and the installation seat body, and controls the central drive system 4 to work when the adsorption unit moves to a set position relative to the installation seat body.

In the present embodiment, for example, the mounting seat body includes a supporting seat 1 and a fixing seat 2;

the fixing seat 2 is arranged on the supporting seat 1, the adsorption unit is movably arranged on the supporting seat 1, and the window is arranged on the fixing seat 2.

In practical application, the micro catheter passes through the window, the adsorption unit is located at the position on the supporting seat 1 through manual adjustment, the adsorption unit is attached to the skin of the position of the human minimally invasive surgery, when the adsorption unit moves to a set position (namely, the supporting seat 1 is closely attached to the skin of the human body), the trigger controls the central driving system 4 to work, the central driving system 4 controls the clamping bag 3 to expand to clamp and fix the micro catheter, and meanwhile, the adsorption unit is controlled to work, the adsorption unit is closely attached to the skin of the human body to fix the supporting seat 1 at the position of the human minimally invasive surgery, fixing between the micro catheter and the human body is achieved, the whole device is good in fixing effect, fixing work can be conducted on positions of the human body different minimally invasive surgeries, the automation degree is high, excessive manpower is not required to be spent, adjustment is conducted through a compact instrument, and the falling phenomenon is not prone to occur.

Referring to fig. 1 and 3, as another preferred embodiment of the present application, the absorption unit includes a fixing band 6, at least one absorption sheet 7 with a hollow center, and a connecting arm 8;

the activity of linking arm 8 sets up on the supporting seat 1, and it is adjacent connect through the elastic component between the linking arm 8, fixed band 6 with the linking arm 8 is connected, just the piece 7 that adsorbs sets up on the fixed band 6, adsorb the piece 7 with central drive system 4 intercommunication.

It should be specifically noted that the elastic member may adopt a spring, a tension spring 11, or a spring plate, and the like, in this embodiment, the elastic member is preferably the tension spring 11, and a specific model of the tension spring 11 may be adjusted according to an actual situation, which is not limited specifically herein.

In a specific case of this embodiment, a pull handle 5 is further provided on the fixing strap 6.

When in actual application, through the handheld pulling handle 5 of medical personnel, make supporting seat 1 closely laminate on human epidermis, and closely laminate adsorption sheet 7 and human skin, when linking arm 8 removed the settlement position, trigger piece control central drive system 4 work, at this moment, central drive system 4 is when aerifing in centre gripping bag 3, take out the air between adsorption sheet 7 and the human epidermis in order to reach vacuum state, and then realize the fixed work with fixed work between whole device and the human body and the fixed work of micro-catheter.

Referring to fig. 1 and 2, as another preferred embodiment of the present application, the central driving mechanism includes:

the driving box 401 is arranged in the supporting seat 1, a cavity 402 is arranged in the driving box 401, a first through hole 406 and a second through hole 407 which are communicated with the cavity 402 are further arranged on the driving box 401, and the first through hole 406 and the second through hole 407 are respectively connected with the clamping bag 3 and the adsorption unit;

an inflation module disposed in the cavity 402, the inflation module being connected to the clamping bladder 3;

the air exhaust module is also arranged in the cavity 402, the air exhaust module is connected with the adsorption unit, and the air exhaust module is connected with the air inflation module; and

and the first power part is arranged in the driving box 401 and is used for controlling the work of the inflation module and the air exhaust module.

Specifically, the inflation module and the deflation module are respectively a first piston 403 and a second piston 405, the first piston 403 is elastically connected with the driving box 401, and the first piston 403 is connected with the second piston 405 through a connecting rod 404, as shown in fig. 2;

in addition, the first power member is preferably a first air bag 408, and the first air bag 408 is disposed between the first piston 403 and the driving box 401, but a linear motor, an electric cylinder or an air cylinder may be used instead of the first air bag 408, and is not limited in this regard.

When the pulling handle 5 is pulled to enable the adsorption piece 7 and the supporting seat 1 to be tightly attached to a human body, the triggering piece controls the volume of the first air bag 408 to expand, so that the first air bag 408 and the second air bag 1303 move upwards in the direction shown in fig. 2, on one hand, the first piston 403 extrudes air in the cavity 402 into the clamping bag 3 to enable the clamping bag 3 to expand to fix the micro-catheter, and compared with a traditional clamp clamping mode, the micro-catheter is not easy to damage, on the other hand, the air between the adsorption piece 7 and the epidermis of the human body is pumped out through the second piston 405 to reach a vacuum state, so that the whole device can be fixed to any minimally invasive surgery position of the human body, the automation degree is high, and the manual adjustment work is reduced.

Referring to fig. 1 and 3, as another preferred embodiment of the present application, the triggering member includes a guide pillar 9, a touch switch 10 and a triggering element;

the guide post 9 is arranged in the supporting seat 1, the connecting arm 8 is provided with a guide rail 14 for the guide post 9 to slide, the touch switch 10 is arranged on the connecting arm 8, the guide post 9 is located on a moving path of the touch switch 10, and the trigger element is arranged in the supporting seat 1 and electrically connected with the guide post 9 and the touch switch 10.

It should be specifically noted that the triggering element is preferably a plurality of heating sheets 12, and the number of the heating sheets 12 is several and is set in the supporting seat 1, of course, the triggering element may also adopt an air pump or a blower, etc., as long as it can control the central driving system 4 to work, and is not limited specifically herein.

When the connecting arm 8 is pulled to enable the absorption sheet 7 and the supporting seat 1 to be tightly attached to the epidermis of a human body, the guide pillar 9 and the touch switch 10 are just attached to each other to trigger the heating sheet 12 to be electrified and heated, so that the temperature inside the supporting seat 1 rises, and under the principle of thermal expansion and cold contraction, the first air bag 408 expands to drive the first piston 403 and the second piston 405 to move along the cavity 402, so that the fixing work of the micro catheter and the whole device is realized.

Referring to fig. 1, 4 and 5, as another preferred embodiment of the present application, a locking unit 13 is further included for fixing the position of the connecting arm 8 on the supporting seat 1;

the locking unit 13 comprises a locking seat 1301, an abutting part 1302 and a second power piece;

the locking seat 1301 is movably arranged on the supporting seat 1, the abutting portion 1302 is arranged on the locking seat 1301, the second power part is arranged in the supporting seat 1 and can be adjusted, the locking seat 1301 is arranged at the position on the supporting seat 1, and the connecting arm 8 is provided with a clamping groove for inserting the locking seat 1301.

In a specific case of this embodiment, the second power unit is preferably a second air bag 1303, but the second power unit may also use a linear motor, an electric cylinder, or an air cylinder instead of the first air bag 408, which is not limited in this embodiment.

When in actual application, when linking arm 8 made supporting seat 1 and adsorption sheet 7 closely laminate with the human body, the draw-in groove was located the outside of supporting seat 1, when the circular telegram of heating plate 12 made the inside temperature of supporting seat 1 rise, under this expend with heat and contract with cold's effect, second gasbag 1303 takes place to expand, until taking place conflict effect between second gasbag 1303 and conflict portion 1302, make locking seat 1301 insert in the draw-in groove, thereby fix the position of linking arm 8, avoid the effect of extension spring 11 to influence the normal work of absorption unit.

It should be noted that all the elastic connections referred to in the present application may be elastic sheets, elastic steel plates, or springs, and the like, and are not limited herein.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A neuro-interventional micro-catheter securement device, comprising:

the mounting base is provided with a window for the micro catheter to pass through, and a clamping bag is arranged in the window and used for fixing the micro catheter;

the trigger piece is arranged between the adsorption unit and the installation seat body, and controls the central driving system to work when the adsorption unit moves to a set position relative to the installation seat body;

the mounting seat body comprises a supporting seat and a fixed seat;

the fixed seat is arranged on the supporting seat, the adsorption unit is movably arranged on the supporting seat, and the window is arranged on the fixed seat;

the adsorption unit comprises a fixing band, at least one adsorption piece with a hollow middle part and a connecting arm;

the connecting arms are movably arranged on the supporting seat, adjacent connecting arms are connected through elastic pieces, the fixing belt is connected with the connecting arms, the adsorption pieces are arranged on the fixing belt, and the adsorption pieces are communicated with the central driving system;

the central drive system includes:

the first power part is arranged in the driving box and used for controlling the inflation module and the air extraction module to work;

the trigger piece comprises a guide post, a touch switch and a trigger element;

2. The neuro-interventional micro-catheter fixing device as claimed in claim 1, wherein a pulling handle is further provided on the fixing band.

3. The neuro-interventional micro-catheter fixing device as claimed in claim 2, further comprising a locking unit for fixing the position of the connecting arm on the supporting seat;