CN214633257U

CN214633257U - Special fixing device of venous catheter indwelling needle

Info

Publication number: CN214633257U
Application number: CN202022410418.3U
Authority: CN
Inventors: 侯亚楠
Original assignee: Xuzhou Cancer Hospital
Current assignee: Xuzhou Cancer Hospital
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-11-09
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a special fixing device for an intravenous catheter indwelling needle, which belongs to the technical field of medical equipment design and comprises a first fixing plate, wherein the upper side and the lower side of the back surface of the first fixing plate are both provided with a bandage, the bandage is connected with a second fixing plate through a nylon buckle, the front surface of the first fixing plate is provided with a first buckle, the right side of the first buckle is provided with a second buckle, the left side of the front surface of the first fixing plate is provided with two first limit pillars, the lower end of the first limit pillar is provided with a T-shaped block, the lower end of the T-shaped block is provided with a transmission device, the lower end of the transmission device is provided with two second limit pillars, the lower end of the transmission device is provided with a fixing block, the lower end of the fixing block is connected with a handle, the front surface of the first fixing plate is provided with a fixing device, the right side of the front surface of the first fixing plate is provided with two clamping grooves, the device is simple to operate, good in fixing effect, reasonable in design and high in practicability.

Description

Special fixing device of venous catheter indwelling needle

Technical Field

The utility model relates to the technical field of medical equipment, the specific field is a special fixing device of needle is kept somewhere to venous catheter.

Background

The use of the indwelling needle can reduce the pain caused by repeated venipuncture of the sick children and the fear of needle injection, alleviate the anxiety of parents, facilitate clinical medication, and reduce the workload of nurses, so the intravenous indwelling needle is widely applied clinically, in the face of the special group of the sick children, the length of the indwelling time of the intravenous indwelling needle and the comfort of the sick children become the most concerned problems of the nurses and the parents, and also the premise of successful use and popularization of the indwelling needle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special fixing device of venous catheter indwelling needle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special fixing device for an intravenous catheter indwelling needle comprises a first fixing plate, wherein the upper side and the lower side of the back surface of the first fixing plate are respectively provided with a bandage, the bandage is connected with a second fixing plate through a nylon buckle, the front surface of the first fixing plate is provided with a first buckle at the upper side, the right side of the first buckle is provided with a second buckle, the left side of the front surface of the first fixing plate is provided with two first limiting support columns, the lower end of the first limiting support column is provided with a T-shaped block, the lower end of the T-shaped block is provided with a transmission device, the lower end of the transmission device is provided with two second limiting support columns, the lower end of the transmission device is provided with a fixing block, the lower end of the fixing block is connected with a handle, the front surface of the first fixing plate is provided with a fixing device, the fixing device is positioned on the front surface of the right end of the T-shaped block, and the right side of the front surface of the first fixing plate is provided with two clamping grooves, the two clamping grooves are located on the same horizontal line and aligned with the center of the right end of the T-shaped block, the retaining needle is installed in the two clamping grooves, the upper end of the retaining needle is connected with a catheter, the catheter firstly passes through the second buckle and then spirals through the first buckle, and an outer sleeve is arranged at the position of the liquid inlet at the left end of the catheter.

Preferably, the nylon buckle comprises a nylon hook belt and a nylon velvet belt, the nylon hook belt is arranged on the back face of the second fixing plate, and the nylon velvet belt is arranged on the inner side face of the binding band.

Preferably, the front surface of the second fixing plate is provided with a plurality of rubber protruding layers, and the right side of the second fixing plate is provided with an elastic band.

Preferably, the transmission device comprises a first rack, a gear and a second rack, the first rack is fixedly connected with the lower side surface of the T-shaped block, the second rack is located at the upper end of the second limiting support column, the gear is arranged between the first rack and the second rack, and the gear is meshed with the first rack and the second rack.

Preferably, fixing device includes U-shaped board, nut, bolt and fixed bolster, the terminal surface and the first fixed plate fixed connection of U-shaped board, the last fixed surface of U-shaped board installs the nut, bolt and nut threaded connection just run through the upper surface of U-shaped board, the lower extreme of bolt is equipped with the fixed bolster.

Preferably, the lower end surface of the fixing pad is provided with a rubber pad.

Preferably, the right end of the T-shaped block is provided with a groove.

Preferably, the first limit supporting column and the second limit supporting column are both composed of a fixed shaft and a shaft sleeve, and the shaft sleeve is rotatably arranged on the outer surface of the fixed shaft

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a venous catheter keeps somewhere and has rubber arch on needle special fixing device's the second fixed plate, increase frictional force, it is fixed effectual, this device is through the cooperation that is equipped with transmission and chucking groove, make the insertion of keeping somewhere the needle and extract more gently, fixing device utilizes the screw thread to fasten, fastening effect is better, the second fixed plate can effectually fix patient's wrist, this device has realized the fixing to keeping somewhere the needle on the one hand, on the other hand has also realized fixing to patient's wrist, and reasonable design, therefore, the clothes hanger is strong in practicability, it is more humanized.

Drawings

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

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic side view of the structure on the first fixing plate according to the present invention;

fig. 5 is a schematic structural view of the first limit post and the second limit post.

In the figure: 1-a first fixing plate, 2-a binding band, 3-a nylon buckle, 301-a nylon hook belt, 302-a nylon velvet belt, 4-a second fixing plate, 5-a first buckle, 6-a second buckle, 7-a first limit pillar, 8-a T-shaped block, 9-a transmission device, 901-a first rack, 902-a gear, 903-a second rack, 10-a second limit pillar, 1001-a fixing shaft, 1002-a shaft sleeve, 11-a fixing block, 12-a handle, 13-a fixing device, 1301-a U-shaped plate, 1302-a nut, 1303-a bolt, 1304-a fixing pad, 14-a clamping groove, 15-an indwelling needle, 16-a catheter, 17-an outer sleeve and 18-an elastic band.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a special fixing device for an intravenous catheter indwelling needle comprises a first fixing plate 1, wherein the upper side and the lower side of the back surface of the first fixing plate 1 are respectively provided with a bandage 2, the bandages 2 are elastic knitted belts, so that the fastening effect of thick and thin arms can be guaranteed, the bandages 2 are connected with a second fixing plate 4 through nylon buckles 3, the upper side of the front surface of the first fixing plate 1 is provided with a first buckle 5, the right side of the first buckle 5 is provided with a second buckle 6, the first buckle 5 and the second buckle 6 are common fixed buckles and mainly fix a catheter 16, the left side of the front surface of the first fixing plate 1 is provided with two first limiting support columns 7, the lower end of each first limiting support column 7 is provided with a T-shaped block 8, the lower end of the T-shaped block 8 is provided with a transmission device 9, the lower end of the transmission device 9 is provided with two second limiting support columns 10, a fixed block 11 is arranged at the lower end of the transmission device 9, a handle 12 is connected with the lower end of the fixed block 11, the transmission device 9 can drive the T-shaped block 8 to move left and right, the front surface of the first fixing plate 1 is provided with a fixing device 13, and the fixing device 13 is positioned on the front surface of the right end of the T-shaped block 8, two clamping grooves 14 are arranged on the right side of the front surface of the first fixing plate 1, the two clamping grooves 14 are positioned on the same horizontal line and aligned with the center of the right end of the T-shaped block 8, an indwelling needle 15 is arranged in the two clamping grooves 14, the indwelling needle 15 is slidably mounted with the clamping groove 14, the left end of the indwelling needle 15 is fixedly mounted with the T-shaped block 8, the upper end of the indwelling needle 15 is connected with a catheter 16, the catheter 16 firstly passes through the second buckle 6 and then spirals through the first buckle 5, and an outer sleeve 17 is arranged at the position of a liquid inlet at the left end of the catheter 16.

Specifically, the nylon button 3 includes a nylon hook tape 301 and a nylon velvet tape 302, the nylon hook tape 301 is disposed on the back surface of the second fixing plate 4, the nylon velvet tape 302 is disposed on the inner side surface of the binding band 2, and the inner side surface of the binding band 2 is attached to the back surface of the second fixing plate 4 to be clamped.

Particularly, the front surface of second fixed plate 4 is equipped with the protruding layer of a plurality of rubber, and the frictional force of increase second fixed plate 4 and human skin carries out better fixed, the right side of second fixed plate 4 is equipped with elastic cord 18, fixes human wrist department through second fixed plate 4.

Specifically, the transmission device 9 includes a first rack 901, a gear 902 and a second rack 903, the first rack 901 is fixedly connected to the lower side of the T-block 8, the second rack 903 is located at the upper end of the second limiting support column 10, the gear 902 is arranged between the first rack 901 and the second rack 903, the gear 902 is engaged with the first rack 901 and the second rack 903, a fixed block 11 is mounted on the lower side of the second rack 902, the handle 12 is moved leftward, the handle 12 drives the fixed block 11 to move leftward, the fixed block 11 drives the second rack 903 to move leftward, the second rack 903 drives the gear 902 to rotate clockwise, the gear 902 drives the first rack 901 to move rightward, the first rack 901 drives the T-block 8 to move rightward, the T-block 8 pushes the indwelling needle 15 to move rightward, the indwelling needle 15 is inserted into the venous vessel, the handle 12 is moved in the opposite direction, the handle 12 drives the fixed block 11 to move rightwards, the fixed block 11 drives the second rack 903 to move rightwards, the second rack 903 drives the gear 902 to rotate anticlockwise, the gear 902 drives the first rack 901 to move leftwards, the first rack 901 drives the T-shaped block 8 to move leftwards, and the T-shaped block 8 drives the indwelling needle 15 to move rightwards, so that the indwelling needle 15 is pulled out of a vein.

Specifically, the fixing device 13 includes a U-shaped plate 1301, a nut 1302, a bolt 1303 and a fixing pad 1304, the end face of the U-shaped plate 1301 is fixedly connected to the first fixing plate 1, the nut 1302 is fixedly mounted on the upper surface of the U-shaped plate 1301, the bolt 1303 is in threaded connection with the nut 1302 and penetrates through the upper surface of the U-shaped plate 1301, the fixing pad 1304 is arranged at the lower end of the bolt 1303, the bolt 1303 is screwed, the screw 1303 moves up and down relative to the nut 1302, and the bolt 1303 drives the fixing pad 1304 to move up and down, so that the fixing of the fixing pad 1304 on the T-shaped plate 8 is realized, and the indwelling needle 15 is indirectly fixed.

Particularly, the lower terminal surface of the fixed bolster 1304 is equipped with the rubber pad, increases the frictional force of fixed bolster 1304 and T-shaped piece 8, makes the fastening effect to T-shaped piece 8 better, and indirect improvement is to the fixed effect of keeping somewhere the needle.

Specifically, the right end of the T-shaped block 8 is provided with a fixing groove, and the left end of the indwelling needle 15 is fixedly mounted inside the fixing groove.

Specifically, the first limiting support 7 and the second limiting support 10 are both composed of a fixing shaft 1001 and a shaft sleeve 1002, and the shaft sleeve 1002 is rotatably mounted on the outer surface of the fixing shaft 1001, so that the second rack 903 slides relative to the second limiting support 10 and the T-shaped block 8 interacts with the first limiting support 7.

The working principle is as follows: the utility model discloses during the use, to keep somewhere needle 15 and install in chucking groove 14, then fix pipe 16 through first buckle 5 and second buckle 6, then open nylon fastener 3, place first fixed plate 1 in patient's wrist department, then fix the opposite side at patient's wrist through nylon fastener 3 with second fixed plate 4, then will move handle 12 left, it will keep somewhere the needle and insert vein to drive T-shaped piece 8 through transmission 9, then bolt 1303, bolt 1303 drives the fixing pad 1304 downstream, then fix T-shaped piece 8, and then realized fixing to keeping somewhere needle 15.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special fixing device of venous catheter indwelling needle, includes first fixed plate (1), its characterized in that: the upper side and the lower side of the back surface of the first fixing plate (1) are respectively provided with a bandage (2), the bandage (2) is connected with a second fixing plate (4) through a nylon buckle (3), the front surface of the first fixing plate (1) is provided with a first buckle (5) at the upper side, the right side of the first buckle (5) is provided with a second buckle (6), the left side of the front surface of the first fixing plate (1) is provided with two first limiting support columns (7), the lower end of each first limiting support column (7) is provided with a T-shaped block (8), the lower end of each T-shaped block (8) is provided with a transmission device (9), the lower end of each transmission device (9) is provided with two second limiting support columns (10), the lower end of each transmission device (9) is provided with a fixing block (11), the lower end of each fixing block (11) is connected with a handle (12), the front surface of the first fixing plate (1) is provided with a fixing device (13), and fixing device (13) are located the front surface of T-shaped piece (8) right-hand member, the front surface right side of first fixed plate (1) is equipped with two chucking grooves (14), two chucking groove (14) be located same water flat line and align with the right-hand member central authorities of T-shaped piece (8), two chucking groove (14) in install and keep somewhere needle (15), the upper end of keeping somewhere needle (15) is connected with pipe (16), pipe (16) are earlier through second buckle (6) then the dish is revolved through first buckle (5), the left end inlet department of pipe (16) is equipped with outer tube (17).

2. The fixing device special for the intravenous catheter indwelling needle according to claim 1, wherein: the nylon buckle (3) comprises a nylon hook belt (301) and a nylon velvet belt (302), the nylon hook belt (301) is arranged on the back face of the second fixing plate (4), and the nylon velvet belt (302) is arranged on the inner side face of the binding band (2).

3. The fixing device special for the intravenous catheter indwelling needle according to claim 1, wherein: the front surface of the second fixing plate (4) is provided with a plurality of rubber protruding layers, and the right side of the second fixing plate (4) is provided with an elastic band (18).

4. The fixing device special for the intravenous catheter indwelling needle according to claim 1, wherein: the transmission device (9) comprises a first rack (901), a gear (902) and a second rack (903), the first rack (901) is fixedly connected with the lower side face of the T-shaped block (8), the second rack (903) is located at the upper end of the second limiting support column (10), the gear (902) is arranged between the first rack (901) and the second rack (903), and the gear (902) is meshed and connected with the first rack (901) and the second rack (903).

5. The fixing device special for the intravenous catheter indwelling needle according to claim 1, wherein: fixing device (13) include U shaped plate (1301), nut (1302), bolt (1303) and fixed bolster (1304), the terminal surface and first fixed plate (1) fixed connection of U shaped plate (1301), the last fixed surface of U shaped plate (1301) installs nut (1302), bolt (1303) and nut (1302) threaded connection just run through the upper surface of U shaped plate (1301), the lower extreme of bolt (1303) is equipped with fixed bolster (1304).

6. The fixing device special for the intravenous catheter indwelling needle according to claim 5, wherein: the lower end face of the fixed pad (1304) is provided with a rubber pad.

7. The fixing device special for the intravenous catheter indwelling needle according to claim 1, wherein: the right end of the T-shaped block (8) is provided with a groove.

8. The fixing device special for the intravenous catheter indwelling needle according to claim 1, wherein: the first limiting support column (7) and the second limiting support column (10) are both composed of a fixing shaft (1001) and a shaft sleeve (1002), and the shaft sleeve (1002) is rotatably installed on the outer surface of the fixing shaft (1001).