CN211704779U

CN211704779U - Clinical epidural anesthesia auxiliary needle inserting device

Info

Publication number: CN211704779U
Application number: CN201922148812.1U
Authority: CN
Inventors: 顾程翔; 奚新明
Original assignee: East Hospital Of Anji Third People's Hospital
Current assignee: East Hospital Of Anji Third People's Hospital
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-20
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a clinical epidural anesthesia auxiliary needle inserter. The clinical epidural anesthesia auxiliary needle inserter comprises a needle seat, an auxiliary cylinder, a fixed block, a clamping mechanism and a fixing mechanism, wherein a needle head is fixedly installed at the bottom of the needle seat, the top wall of the auxiliary cylinder is in threaded connection with a lead screw, the fixed block is slidably connected to the inner side wall of the auxiliary cylinder, the top of the fixed block is rotatably connected with one end, placed in the auxiliary cylinder, of the lead screw, and a placing groove for inserting the needle seat is formed in the bottom of the fixed block; the clamping mechanism is used for locking the needle base, the clamping mechanism is installed at the bottom of the fixing block, and the fixing mechanism is installed on the auxiliary cylinder. The utility model provides a supplementary needle inserter of clinical epidural anesthesia has stability better, can make the anesthesia needle can stabilize the mild advantage of pricking the patient in vivo.

Description

Clinical epidural anesthesia auxiliary needle inserting device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a supplementary needle ware of inserting of clinical epidural anesthesia.

Background

In clinical operation, anesthesia is an essential important link, and epidural space block anesthesia is often used for limb operation in the part below the abdomen. At present, when the epidural puncture is carried out, an anaesthetist judges that the needle point of the epidural puncture needle reaches the epidural space mainly by the falling feeling during operation, and in addition, the position of the puncture needle is kept fixed in the process of inserting the epidural catheter so as to prevent the movement of the puncture needle from damaging the dura mater and even the spinal cord, thereby causing more serious consequences.

At present, when medical staff anaesthetizes a patient, the anaesthesia needle is manually inserted into the body of the patient, the hand shaking is unstable or the force during the anaesthesia is changed, so that the patient is injured, and the stability is poor.

Therefore, there is a need to provide a clinical epidural anesthesia auxiliary needle inserter to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a clinical epidural anesthesia auxiliary needle inserter which has better stability and can ensure that the anesthesia needle can stably and gently pierce the body of a patient.

In order to solve the technical problem, the utility model provides a clinical epidural anesthesia auxiliary needle inserter comprises: the needle seat is fixedly provided with a needle head at the bottom; the top wall of the auxiliary cylinder is in threaded connection with a screw rod; the fixed block is connected to the inner side wall of the auxiliary barrel in a sliding mode, the top of the fixed block is rotatably connected with one end, placed in the auxiliary barrel, of the screw rod, and a placing groove used for inserting the needle base is formed in the bottom of the fixed block; a clamping mechanism; the clamping mechanism is used for locking the needle base and is arranged at the bottom of the fixing block; a fixing mechanism mounted on the auxiliary barrel.

Preferably, clamping mechanism includes arc splint, threaded rod and baffle, and is two sets of the same the baffle is fixed mounting respectively on the bottom both ends of fixed block, threaded rod threaded connection is on the lateral wall of baffle, arc splint rotate with the end of screwing in of threaded rod and are connected.

Preferably, the fixing mechanism comprises elastic binding belts and magic tapes, the two groups of elastic binding belts with the same specification are respectively and fixedly installed on the side walls of the two ends of the auxiliary barrel, and the other ends of the two groups of elastic binding belts are fixedly sewn with the magic tapes matched with each other.

Preferably, a slide bar is fixedly mounted on the side wall of the fixed block, a sliding chute for sliding the slide bar is formed in the inner side wall of the auxiliary cylinder, and the slide bar is connected with the sliding chute in a sliding manner.

Preferably, an elastic washer is fixedly installed at the bottom of the auxiliary cylinder.

Preferably, a turntable is fixedly arranged at one end of the screw rod, which is arranged outside the auxiliary cylinder.

Compared with the prior art, the utility model provides a clinical epidural anesthesia assists needle inserter has following beneficial effect:

the utility model provides a supplementary needle ware of inserting of clinical epidural anesthesia, first-selected rotation lead screw drive the fixed block and remove supplementary bobbin base portion, put into the standing groove with the needle file inside, press from both sides the needle file through clamping mechanism tightly, then remove supplementary bobbin with the fixed block inside, fix supplementary bobbin on patient's health through fixing mechanism, drive the syringe needle at the lead screw and move down, stabbed patient needs the position of anesthesia slowly and steadily to improve stability.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the clinical epidural anesthesia auxiliary needle inserter provided by the utility model;

FIG. 2 is a schematic view showing an internal structure of the auxiliary cartridge shown in FIG. 1;

fig. 3 is a front view of fig. 1.

Reference numbers in the figures: 1. the auxiliary cylinder comprises an auxiliary cylinder body, 2 parts of a fixing block, 3 parts of a needle seat, 4 parts of a clamping mechanism, 41 parts of an arc-shaped clamping plate, 42 parts of a threaded rod, 43 parts of a partition plate, 5 parts of a screw rod, 6 parts of a fixing mechanism, 61 parts of an elastic binding belt, 62 parts of a magic tape, 7 parts of a sliding rod, 8 parts of a sliding groove, 9 parts of an elastic washer, 9a part of a rotary table, 9b parts of a needle head.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural view of a preferred embodiment of a clinical epidural anesthesia auxiliary needle inserter provided by the present invention; FIG. 2 is a schematic view showing an internal structure of the auxiliary cartridge shown in FIG. 1; fig. 3 is a front view of fig. 1. Clinical epidural anesthesia assists needle inserter includes: the needle holder 3, the auxiliary barrel 1, the fixing block 2, the clamping mechanism 4 and the fixing mechanism 6, wherein a needle head 9b is fixedly installed at the bottom of the needle holder 3, a screw rod 5 is in threaded connection with the top wall of the auxiliary barrel 1, the fixing block 2 is in sliding connection with the inner side wall of the auxiliary barrel 1, the top of the fixing block 2 is in rotating connection with one end, placed in the auxiliary barrel 1, of the screw rod 5, and a placing groove for inserting the needle holder 3 is formed in the bottom of the fixing block 2; the clamping mechanism 4 is used for locking the needle base 3, the clamping mechanism 4 is installed at the bottom of the fixing block 2, and the fixing mechanism 6 is installed on the auxiliary cylinder 1.

In the specific implementation process, as shown in fig. 2 and 3, the clamping mechanism 4 includes an arc-shaped clamping plate 41, a threaded rod 42 and a partition plate 43, two groups of identical partition plates 43 are respectively and fixedly installed on two ends of the bottom of the fixing block 3, the threaded rod 42 is in threaded connection with the side wall of the partition plate 43, and the arc-shaped clamping plate 41 is rotatably connected with the screwing end of the threaded rod 42.

It should be noted that: after the needle base 3 provided with the needle 9b is placed in the placing groove at the bottom of the fixing block 2, the threaded rod 42 is rotated, then the threaded rod 42 can move, the arc-shaped clamping plates 41 can be driven to move, so that the two sets of arc-shaped clamping plates 41 move oppositely to contact with the side wall of the needle base 3 until the needle base 3 is clamped tightly, and the needle base 3 and the needle 9b are fixed.

Referring to fig. 1, the fixing mechanism 6 includes an elastic binding band 61 and a magic tape 62, two sets of elastic binding bands 61 with the same specification are respectively and fixedly installed on the side walls of the two ends of the auxiliary barrel 1, and the other ends of the two sets of elastic binding bands 61 are fixedly sewn with the magic tapes 62 which are matched with each other.

The bottom of the auxiliary cylinder 1 is fixedly provided with an elastic gasket 9.

It should be noted that: can tie up supplementary section of thick bamboo 1 on patient's health through two sets of elasticity constraint areas 61, fix supplementary section of thick bamboo 1 on the skin surface, through elastic washer 9 and skin contact, can prevent that supplementary section of thick bamboo 1 from reining in and causing the injury to the patient on skin, then through rotating lead screw 5, alright with the position that needs anesthesia of stabbing patient that drives the syringe needle 9b stability again.

Referring to fig. 2 and 3, a slide bar 7 is fixedly mounted on a side wall of the fixed block 2, a slide groove 8 for sliding the slide bar 7 is formed in an inner side wall of the auxiliary cylinder 1, and the slide bar 7 is slidably connected with the slide groove 8.

It should be noted that: through the mutual matching of the sliding rod 7 and the sliding groove 8, the fixing block 2 can be stably moved back and forth in the auxiliary cylinder 1 when being rotated by the screw rod 5.

Referring to fig. 1, a turntable 9a is fixedly installed at one end of the screw rod 5 disposed outside the auxiliary cylinder 1, and the screw rod is conveniently rotated by the turntable 9 a.

The utility model provides a clinical epidural anesthesia assists needle inserter's theory of operation as follows:

firstly, the rotary table 9b is rotated to drive the screw rod 5 to rotate, as the fixed block 2 is connected with the inner side wall chute 8 of the auxiliary cylinder 1 in a sliding way through the slide rod 7 fixedly installed on the side wall of the fixed block 2, the screw rod 5 can drive the fixed block 2 connected with the fixed block to move downwards to the bottom of the auxiliary cylinder 1, then the needle seat 3 provided with the needle head 9b is placed in the placing groove at the bottom of the fixed block 2, the threaded rod 42 is rotated, then the threaded rod 42 can move, the arc-shaped clamping plates 41 can be driven to move, so that the two groups of arc-shaped clamping plates 41 move oppositely to be contacted with the side wall of the needle seat 3 until the needle seat 3 is clamped, thereby fixing the needle seat 3 and the needle head 9b, then the rotary table 9a is rotated reversely to drive the screw rod 5 to rotate reversely, thereby the needle head 9b is retracted into the auxiliary cylinder 1, then the auxiliary cylinder 1, through elastic washer 9 and skin contact, can prevent that supplementary section of thick bamboo 1 from reining in and causing the injury to the patient on skin, rotate lead screw 5 through carousel 9a this moment again, drive 5 downstream of lead screw, alright with drive fixed block 2 downstream again, and supplementary section of thick bamboo 1 is transparent material, can see the distance that inside syringe needle 9b removed, thereby can make the slow steady puncture patient of syringe needle 9b internal, then reverse rotation threaded rod 42, it loosens needle file 3 to drive arc splint 41, then tear magic subsides 62 and loosen elasticity constraint area 61, take off supplementary section of thick bamboo 1 again, insert extradural catheter as in needle file 3, thereby improve the stability and the security that the syringe needle punctured, be convenient for medical personnel anaesthetize the patient.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A clinical epidural anesthesia auxiliary needle inserter is characterized by comprising:

the needle seat (3), the bottom of the needle seat (3) is fixedly provided with a needle head (9 b);

the auxiliary barrel (1), the top wall of the auxiliary barrel (1) is connected with a screw rod (5) in a threaded manner;

the fixing block (2) is connected to the inner side wall of the auxiliary barrel (1) in a sliding mode, the top of the fixing block (2) is rotatably connected with one end, placed inside the auxiliary barrel (1), of the screw rod (5), and a placing groove for inserting the needle seat (3) is formed in the bottom of the fixing block (2);

a clamping mechanism (4); the clamping mechanism (4) is used for locking the needle base (3), and the clamping mechanism (4) is installed at the bottom of the fixing block (2);

the fixing mechanism (6), the fixing mechanism (6) is installed on the auxiliary cylinder (1).

2. The clinical epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that the clamping mechanism (4) comprises an arc-shaped clamping plate (41), a threaded rod (42) and a partition plate (43), two identical sets of partition plates (43) are respectively and fixedly installed on two ends of the bottom of the fixing block (2), the threaded rod (42) is in threaded connection with the side wall of the partition plate (43), and the arc-shaped clamping plate (41) is rotatably connected with the screwing end of the threaded rod (42).

3. The clinical epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that the fixing mechanism (6) comprises an elastic binding band (61) and a magic tape (62), two groups of the elastic binding bands (61) with the same specification are respectively and fixedly installed on the side walls of the two ends of the auxiliary barrel (1), and the other ends of the two groups of the elastic binding bands (61) are fixedly sewn with the magic tapes (62) which are matched with each other.

4. The clinical epidural anesthesia auxiliary needle inserter according to claim 1, wherein a slide bar (7) is fixedly mounted on the side wall of the fixed block (2), a slide groove (8) for sliding the slide bar (7) is formed on the inner side wall of the auxiliary cylinder (1), and the slide bar (7) is slidably connected with the slide groove (8).

5. The clinical epidural anesthesia auxiliary needle inserter according to claim 1, characterized in that the bottom of the auxiliary cylinder (1) is fixedly mounted with an elastic washer (9).

6. The clinical epidural anesthesia auxiliary needle inserter according to the claim 1, characterized in that the end of the screw rod (5) placed outside the auxiliary cylinder (1) is fixedly installed with a rotary disc (9 a).