CN215079403U

CN215079403U - Fixing device for puncture of anesthesia department

Info

Publication number: CN215079403U
Application number: CN202120593951.XU
Authority: CN
Inventors: 张恺辰; 鲁美静; 杨柳; 程慧娴; 赵金霞; 陈永权
Original assignee: First Affiliated Hospital of Wannan Medical College
Current assignee: Yijishan Hospital of Wannan Medical College; First Affiliated Hospital of Wannan Medical College
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-10
Anticipated expiration: 2031-03-19

Abstract

A fixing device for puncture in anesthesia department solves the problems that when two hands of medical staff are occupied, the medical staff cannot perform push injection or retraction, and the labor cost of a hospital is increased by one person; the ultrasonic fixing frame is fixedly connected with the box body, the injector comprises a piston cylinder and a push rod, the upper end of the push rod is fixedly connected with a pressing head, the box body comprises a left box body and a right box body, positioning grooves matched with the piston cylinder are arranged in the left box body and the right box body, the upper ends of the positioning grooves are communicated with a through hole, a positioning frame capable of sliding left and right is arranged on the right box body, a lead screw is fixedly connected onto the positioning frame, a driving gear in threaded fit with the lead screw is rotatably connected onto the right box body, the driving gear is meshed with a driving gear, a driving motor is coaxially and fixedly connected onto the driving gear, and the driving motor is fixedly connected onto the right box body; the device has the advantages of novel structure, ingenious design, light weight, practicality, safety, reliability, convenient control, manpower saving and improvement on the whole working efficiency.

Description

Fixing device for puncture of anesthesia department

Technical Field

The utility model belongs to the technical field of the medical treatment is supplementary, especially, relate to a fixing device is used in department of anesthesia puncture.

Background

The nerve blocking technology under the guidance of the ultrasound is one of the important technologies of clinical pain diagnosis and treatment at present. It uses ultrasonic probe to position target nerve and blood vessel, and can be used for introducing anesthetic. The technique can improve the puncture success rate and the anesthesia effect, reduce the dosage of anesthesia, reduce the injury, improve the safety and increase the comfort level of patients.

At present, when a clinical anesthesia doctor carries out nerve block, the anesthesia doctor needs to hold an ultrasonic probe for positioning by one hand, hold a puncture needle by the other hand for puncture, connect an extension tube behind the puncture needle, and connect the extension tube with an injector. Under the ultrasonic visualization, the puncture needle reaches the target position, no blood is pumped back, a small amount of physiological saline or liquid medicine is injected experimentally to observe the diffusion condition, and if the position is not ideal, the medicine administration is stopped immediately, and the puncture direction is adjusted to carry out the medicine administration again. Because the operator both hands are occupied, often need another personnel to help accomplishing actions such as pumpback, push and inject, increase the human cost.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model provides a fixing device is used in department of anesthesia puncture has solved under the condition that medical staff's both hands are all occupied, can't inject or the action of pumpback, increases the problem that can increase hospital's human cost alone.

In order to achieve the above purpose, the utility model provides the following technical scheme; including pjncture needle, extension pipe, supersound mount, syringe and box body, supersound mount and box body fixed connection, the syringe includes piston cylinder, push rod, the upper end fixedly connected with press head of push rod, the box body includes left box body and right box body, all be equipped with in left side box body and the right box body with piston cylinder assorted constant head tank, the upper end intercommunication of constant head tank has the through-hole, but be equipped with horizontal slip's locating rack on the box body of the right side, fixedly connected with lead screw on the locating rack, rotate on the box body of the right side be connected with lead screw thread fit's drive gear, the drive gear meshing has the driving gear, coaxial fixedly connected with driving motor on the driving gear, driving motor fixed mounting is on the box body of the right side.

Preferably, the locating rack includes a stopper, a guide bar and two limiting plates, has formed the first slot with push rod looks adaptation between two limiting plates, has formed the second slot with press head looks adaptation between two limiting plates and the stopper, guide bar and right box body side-to-side sliding connection.

Preferably, the left box body is provided with a window, the position of the window corresponds to the position of the scale marks on the injector, and the window is covered with a transparent body.

Preferably, a forward rotation button and a reverse rotation button for controlling the driving motor are arranged on the left box body.

Preferably, a first magnetic sheet is embedded in the right box body, and a second magnetic sheet which is opposite in attraction to the first magnetic sheet is embedded in the left box body.

Preferably, the supersound mount includes the handle with right box body fixed connection, the lower extreme fixedly connected with clamping piece of handle, the clamping piece includes first clamp splice and the second clamp splice of mutual articulated, it is connected with the positioning screw to rotate on the first clamp splice, threaded connection has lock nut on the positioning screw, be equipped with on the second clamp splice with positioning screw matched with opening.

Compared with the prior art, the beneficial effects of the utility model are that: the device continuously positions the injector through the box body and the positioning frame, and controls the positive and negative rotation of the lead screw through the driving motor, thereby realizing the injection and the back-suction of the liquid medicine; through the device, medical personnel can complete the positioning and puncturing actions of puncturing by one person, so that the labor is saved, and the overall working efficiency is improved; the device has novel structure, ingenious design, portability, practicability, safety, reliability and convenient control.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 is the first axonometric view of the overall structure of the utility model.

Fig. 2 is a schematic structural view of the box body and the positioning of the injector and the box body of the present invention.

Fig. 3 is a second axial view of the overall structure of the present invention.

Fig. 4 is a schematic view of the overall structure of the middle positioning frame of the present invention.

Fig. 5 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1-puncture needle, 2-extension tube, 3-injector, 301-piston cylinder, 302-push rod, 303-pressing head, 4-box body, 401-left box body, 402-right box body, 5-positioning groove, 6-through hole, 7-positioning frame, 701-limiting block, 702-guide rod, 703-limiting plate and 8-lead screw, 9-driving gear, 10-driving gear, 11-driving motor, 12-first slot, 13-second slot, 14-window, 15-forward rotation button, 16-reverse rotation button, 17-first magnetic sheet, 18-second magnetic sheet, 19-handle, 20-first clamping block, 21-second clamping block, 22-positioning screw rod, 23-locking nut and 24-opening.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The attached drawings are simplified schematic diagrams, and only illustrate the basic structure of the present invention in a schematic manner, and thus only show the components related to the present invention.

Referring to fig. 1-5, the utility model comprises a puncture needle 1, an extension tube 2, an ultrasonic fixing frame, an injector 3 and a box body 4, the ultrasonic fixing frame is fixedly connected with the box body 4, the injector comprises a piston cylinder 301 and a push rod 302, the upper end of the push rod 302 is fixedly connected with a pressing head 303, the box body 4 comprises a left box body 401 and a right box body 402, the left box body 401 and the right box body 402 are both provided with a positioning groove 5 matched with the piston cylinder 301, the upper end of the positioning groove 5 is communicated with a through hole 6, the right box body 402 is provided with a positioning frame 7 capable of sliding left and right, a lead screw 8 is fixedly connected on the positioning frame 7, a driving gear 9 which is in threaded fit with the lead screw 8 is rotatably connected on the right box body 402, the driving gear 9 is engaged with a driving gear 10, the driving gear 10 is coaxially and fixedly connected with a driving motor 11, and the driving motor 11 is fixedly installed on the right box body 402.

The box body 4 is made of plastic material, when in use, the injector 3 which sucks the liquid medicine is placed in the box body 4, the piston barrel 301 is matched with the positioning groove 5 to position the injector, the pressing head 303 is fixed by the positioning frame 7, then the left box body 401 and the right box body 402 are covered, one hand of a medical staff holds the ultrasonic fixing frame to search and position the puncture part, the other hand holds the puncture needle 1 to be punctured, after the medical staff positions a certain nerve or fascia ultrasonically, the puncture needle 1 is penetrated, then the medical staff starts the driving motor 11 by thumb to rotate in the forward direction, the driving motor 11 rotates to drive the driving gear 9 to rotate through the driving gear 10, the driving gear 9 and the lead screw 8 form a lead screw nut structure, when the driving gear 9 rotates in the forward direction on the right box body 402, the lead screw 8 drives the positioning frame 7 to move downwards, the positioning frame 7 drives the push rod 302 to inject the liquid medicine through the positioning frame 303, at the moment, a small amount of physiological saline or medicine is injected experimentally, how to diffuse is seen, if the position is found to be unsatisfactory, the driving motor 11 is immediately turned off, then the driving motor 11 is started again to rotate reversely, at the moment, the positioning frame 7 drives the push rod 302 upwards to suck the liquid medicine back, and the medicine is administered again after the puncture direction is adjusted.

As shown in fig. 4, in order to fix the pressing head 303 on the positioning frame 7, so that the pushing rod 302 can move synchronously with the positioning frame 7, and control pushing or withdrawing of the liquid medicine, the positioning frame 7 includes a limiting block 701, a guiding rod 702 and two limiting plates 703, a first slot 12 adapted to the pushing rod 302 is formed between the two limiting plates 703, a second slot 13 adapted to the pressing head 303 is formed between the two limiting plates 703 and the limiting block 701, and the guiding rod 702 is connected to the right box 402 in a left-right sliding manner.

After the piston cylinder 301 is fixed in the positioning groove 5, the position of the positioning frame 7 is adjusted according to the position of the pressing head 303, and after the second slot 13 corresponds to the position of the pressing head 303, the pressing head 303 is inserted between the limiting block 701 and the two limiting plates 703 through the first slot 12.

In order to facilitate observation of the pushing or remaining amount of the liquid medicine, a window 14 is formed in the left box body 401, the position of the window 14 corresponds to the position of a scale mark on the injector, and a transparent body covers the window 14.

In order to control the driving motor 11, a forward rotation button 15, a reverse rotation button 16 and a stop key for controlling the driving motor 11 are provided on the left box 401.

In order to facilitate the closing or opening of the left box body 401, a first magnetic sheet 17 is embedded in the right box body 402, and a second magnetic sheet 18 which is opposite to and attracted with the first magnetic sheet 17 is embedded in the left box body 401.

In order to facilitate the positioning and operation of the positioning ultrasonic probe, the ultrasonic fixing frame comprises a handle 19 fixedly connected with the right box body 402, a clamping piece is fixedly connected to the lower end of the handle 19, the clamping piece comprises a first clamping block 20 and a second clamping block 21 which are hinged to each other, a positioning screw 22 is rotatably connected to the first clamping block 20, a locking nut 23 is connected to the positioning screw 22 in a threaded manner, and an opening 24 matched with the positioning screw 22 is formed in the second clamping block 21.

When the ultrasonic probe is positioned, the positioning screw 22 needs to be firstly rotated out of the opening 24, then the ultrasonic probe is placed between the first clamping block 20 and the second clamping block 21, then the positioning screw 22 is rotated into the opening 24, and then the locking nut 23 is screwed to enable the locking nut 23 to be matched with the opening 24 to lock the first clamping block 20 and the clamping block 21, so that the ultrasonic probe is clamped.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 fixing device is used in department of anesthesia puncture, includes pjncture needle (1), extension pipe (2), supersound mount, syringe (3) and box body (4), its characterized in that: the ultrasonic fixing frame is fixedly connected with the box body (4), the injector comprises a piston cylinder (301) and a push rod (302), a pressing head (303) is fixedly connected to the upper end of the push rod (302), the box body (4) comprises a left box body (401) and a right box body (402), positioning grooves (5) matched with the piston cylinder (301) are formed in the left box body (401) and the right box body (402), through holes (6) are communicated with the upper ends of the positioning grooves (5), a positioning frame (7) capable of sliding left and right is arranged on the right box body (402), a lead screw (8) is fixedly connected onto the positioning frame (7), a driving gear (9) in threaded fit with the lead screw (8) is rotatably connected onto the right box body (402), a driving gear (10) is meshed with the driving gear (9), and a driving motor (11) is coaxially and fixedly connected onto the driving gear (10), the driving motor (11) is fixedly arranged on the right box body (402).

2. The puncture fixing device for anesthesia department according to claim 1, wherein: the locating rack (7) comprises a limiting block (701), a guide rod (702) and two limiting plates (703), a first slot (12) matched with the push rod (302) is formed between the two limiting plates (703), a second slot (13) matched with the pressing head (303) is formed between the two limiting plates (703) and the limiting block (701), and the guide rod (702) is connected with the right box body (402) in a left-right sliding mode.

3. The puncture fixing device for anesthesia department according to claim 2, wherein: the left box body (401) is provided with a window (14), the position of the window (14) corresponds to the position of the scale marks on the injector, and the window (14) is covered with a transparent body.

4. The puncture fixing device for anesthesia department according to claim 3, wherein: and a forward rotation button (15) and a reverse rotation button (16) for controlling the driving motor (11) are arranged on the left box body (401).

5. The puncture fixing device for anesthesia department according to claim 4, wherein: a first magnetic sheet (17) is embedded in the right box body (402), and a second magnetic sheet (18) which is opposite in attraction with the first magnetic sheet (17) is embedded in the left box body (401).

6. The puncture fixing device for anesthesia department according to claim 1, wherein: the supersound mount includes handle (19) with right box body (402) fixed connection, the lower extreme fixedly connected with clamping piece of handle (19), the clamping piece includes first clamp splice (20) and second clamp splice (21) of mutual articulated, it is connected with positioning screw (22) to rotate on first clamp splice (20), threaded connection has lock nut (23) on positioning screw (22), be equipped with on second clamp splice (21) with positioning screw (22) matched with opening (24).