CN211486149U - Device for preventing venous catheter from falling off - Google Patents

Abstract

The utility model discloses a device for preventing ductus venosus drops, which comprises a fixing plate and i, the both sides of fixed plate bottom all are provided with plastics elasticity bracelet, the front side and the rear side at plastics elasticity bracelet top are fixedly connected with lower mount one and lower mount two in proper order, lower mount two is located the left side of lower mount one, the top of lower mount one and lower mount two is provided with the upper fixing frame. The utility model discloses a plastics elasticity bracelet establishes the fixed plate cover in patient's wrist department, upwards stimulates the handle, and the handle drives the relative and first and two rebound movements of mount down of upper bracket, and the elastic stretching structure atress extends, places the venous catheter in the recess at mount one down and two tops of mount down, loosens the handle, and the elastic stretching structure resumes length, utilizes the surface mounting of mount, mount one down and mount two down with venous catheter to carry on spacingly.

Description

Device for preventing venous catheter from falling off

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a device that prevents venous catheter from droing.

Background

The medical apparatus refers to instruments, equipment, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles directly or indirectly applied to the human body, and comprises required computer software, wherein the effects are mainly obtained in a physical mode and other modes, not in a pharmacological, immunological or metabolic mode, or are only assisted by the modes, so that the diagnosis, prevention, monitoring, treatment or alleviation of diseases are achieved; diagnosis, monitoring, treatment, mitigation, or functional compensation of injury; examination, replacement, regulation or support of a physiological structure or physiological process; support or maintenance of life; controlling pregnancy; by examining a sample from a human body, information is provided for medical or diagnostic purposes.

The venous catheter is one of the devices commonly used in the medical field, the existing venous catheter is mostly kept at the wrist of a patient when in use, the wrist of the patient often causes the venous catheter to be unstable or even fall off due to frequent movement, once the venous catheter falls off, the venous catheter needs to be reset, extra pain is caused to the patient, and therefore a device for preventing the venous catheter from falling off is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent device that ductus venosus drops possesses anti-drop's advantage, has solved current ductus venosus and has kept somewhere in patient's wrist department mostly when using, and patient's wrist is because frequent activity, often leads to ductus venosus unstable, drops even, in case drop just need reset ductus venosus, causes extra painful problem for the patient.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device for preventing venous catheter drops, includes the fixed plate, the both sides of fixed plate bottom all are provided with plastics elasticity bracelet, mount one and mount two under the front side and the rear side at plastics elasticity bracelet top fixedly connected with in proper order, mount two is located the left side of mount one down, mount one is provided with the mount with the top of mount two down, mount one, mount two down and the relative one side of mount are seted up flutedly down, the equal fixedly connected with elastic telescopic structure in front side and the rear side at fixed plate top, elastic telescopic structure's top fixedly connected with fixed block, one side and the mount fixed connection of fixed block.

Preferably, the elastic telescopic structure includes the casing with fixed plate fixed connection, the both sides of casing inner chamber all are provided with spring mechanism, one side fixedly connected with pinion rack one of spring mechanism, the both sides of casing inner chamber rear side all are connected with the gear through the bearing rotation, pinion rack one meshes with the gear mutually, is provided with pinion rack two between two gears, pinion rack two meshes with the gear mutually, the top fixedly connected with connecting rod of pinion rack two, the top of connecting rod run through to the top of casing and with fixed block fixed connection.

Preferably, spring mechanism includes the backup pad that is located casing inner chamber both sides top and bottom, and one side fixedly connected with round bar that two backup pads are relative, the surperficial swing joint of round bar has the sliding sleeve, the surface cover of round bar is equipped with the spring, the one end and the sliding sleeve fixed connection of spring, the other end and the backup pad fixed connection of spring.

Preferably, the top of the upper fixing frame is fixedly connected with a handle, and the surface of the handle is smooth.

Preferably, one side that the fixed plate was kept away from to plastics elasticity bracelet is provided with the arcwall face.

Preferably, the limiting grooves are formed in two sides of the inner cavity of the shell, the inner cavity of each limiting groove is movably connected with a limiting block, and one side, far away from the limiting grooves, of each limiting block is fixedly connected with the sliding sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model is characterized in that the fixing plate is sleeved on the wrist of a patient through the plastic elastic bracelet, the handle is pulled upwards, the handle drives the upper fixing frame to move upwards relative to the first lower fixing frame and the second lower fixing frame, the elastic telescopic structure is stressed to extend, the venous catheter is placed in the groove at the top of the first lower fixing frame and the second lower fixing frame, the handle is loosened, the elastic telescopic structure recovers the length, the surface of the venous catheter is fixed and limited by the upper fixing frame, the first lower fixing frame and the second lower fixing frame, the device for preventing the venous catheter from falling off has the advantage of falling off prevention, the device can be worn on the wrist of the patient during the use process, the venous catheter is fixed without influencing the normal activity of the patient, the stability of the venous catheter is improved, the use by a user is facilitated, and the problem that the existing venous catheter is mostly kept at the wrist of the patient when, the wrist of the patient often leads to the venous catheter to be unstable or even fall off due to frequent movement, and once the venous catheter falls off, the venous catheter needs to be reset, thereby causing additional pain to the patient.

2. The utility model discloses a setting of handle has increased area of contact between user's palm and the upper fixing frame, has made things convenient for the user to upwards pull up the upper fixing frame, through the setting of arcwall face, has played the effect of protecting the skin of patient's wrist department, has avoided the corner injury patient that plastics elasticity bracelet is sharp, uses through the cooperation of spacing groove and stopper, has played and has led to the sliding sleeve and spacing effect, has improved the stability when the sliding sleeve slides from top to bottom.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom perspective view of the present invention;

fig. 3 is a front sectional view of the elastic telescopic structure of the present invention.

In the figure: 1. a fixing plate; 2. a plastic elastic bracelet; 3. a first lower fixing frame; 4. a second lower fixing frame; 5. an upper fixing frame; 6. an elastic telescopic structure; 61. a housing; 62. a spring mechanism; 621. a support plate; 622. a round bar; 623. a sliding sleeve; 624. a spring; 63. a toothed plate I; 64. a gear; 65. a toothed plate II; 66. a connecting rod; 67. a slider; 68. a slide bar; 7. a fixed block; 8. a handle; 9. an arc-shaped surface; 10. a limiting groove; 11. and a limiting block.

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 of the present invention, all other embodiments obtained by a person skilled in the art without creative pulling belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a device for preventing venous catheters from falling off comprises a fixed plate 1, wherein an arc-shaped surface 9 is arranged on one side of a plastic elastic bracelet 2, which is far away from the fixed plate 1, through the arrangement of the arc-shaped surface 9, the effect of protecting the skin at the wrist of a patient is achieved, the sharp corner of the plastic elastic bracelet 2 is prevented from hurting the patient, the plastic elastic bracelet 2 is arranged on two sides of the bottom of the fixed plate 1, a first lower fixing frame 3 and a second lower fixing frame 4 are fixedly connected to the front side and the rear side of the top of the plastic elastic bracelet 2 in sequence, the second lower fixing frame 4 is positioned on the left side of the first lower fixing frame 3, an upper fixing frame 5 is arranged on the tops of the first lower fixing frame 3 and the second lower fixing frame 4, a handle 8 is fixedly connected to the top of the upper fixing frame 5, the surface of the handle 8 is smooth, through the arrangement of the handle 8, one side of the lower fixing frame 3, which is opposite to the lower fixing frame 4 and the upper fixing frame 5, is provided with a groove, the front side and the rear side of the top of the fixing plate 1 are both fixedly connected with an elastic telescopic structure 6, the top of the elastic telescopic structure 6 is fixedly connected with a fixing block 7, the elastic telescopic structure 6 comprises a shell 61 fixedly connected with the fixing plate 1, two sides of an inner cavity of the shell 61 are both provided with spring mechanisms 62, one side of each spring mechanism 62 is fixedly connected with a toothed plate I63, two sides of the rear side of the inner cavity of the shell 61 are both rotatably connected with gears 64 through bearings, the toothed plate I63 is meshed with the gears 64, a toothed plate II 65 is arranged between the two gears 64, the toothed plate II 65 is meshed with the gears 64, the top of the toothed plate II 65 is fixedly connected with a connecting rod 66, the top of the connecting rod 66 penetrates through to the top of the shell 61 and is fixedly connected, two one side fixedly connected with round bar 622 that the backup pad 621 is relative, the surperficial swing joint of round bar 622 has sliding sleeve 623, the surperficial cover of round bar 622 is equipped with spring 624, spring 624's one end and sliding sleeve 623 fixed connection, spring 624's the other end and backup pad 621 fixed connection, spacing groove 10 has all been seted up to the both sides of casing 61 inner chamber, the inner chamber swing joint of spacing groove 10 has stopper 11, one side and sliding sleeve 623 fixed connection that spacing groove 10 was kept away from to stopper 11, use through spacing groove 10 and stopper 11 cooperation, the effect of leading and spacing to sliding sleeve 623 has been played, stability when having improved sliding sleeve 623 and sliding from top to bottom, one side and 5 fixed connection of upper fixed frame of fixed block 7.

The working principle is as follows: when the utility model is used, a user sleeves the fixing plate 1 at the wrist of a patient through the plastic elastic bracelet 2, pulls the handle 8 upwards, the handle 8 drives the upper fixing frame 5 to move upwards relative to the lower fixing frame I3 and the lower fixing frame II 4, the connecting rod 66 is forced to move upwards, the connecting rod 66 drives the toothed plate II 65 to move, the toothed plate II 65 drives the two gears 64 to rotate through the teeth, wherein the sliding block 67 and the sliding rod 68 play a role in guiding and limiting the toothed plate II 65 to avoid excessive upward movement, the gears 64 drive the toothed plate I63 to move downwards through the teeth, and further drive the sliding sleeve 623 to move downwards, the sliding sleeve 623 is forced to compress when the surface of the round rod 622 slides, the venous catheter is placed at the groove at the top of the lower fixing frame I3 and the lower fixing frame II 4, the handle 8 is loosened, the spring 624 recovers the length, and finally the upper fixing frame 5 is driven to move downwards through the fixing block 7, the surface of the venous catheter is fixed by the upper fixing frame 5, the lower fixing frame I3 and the lower fixing frame II 4, and the venous catheter is limited, namely, the venous catheter is prevented from being separated from the grooves formed in one sides of the upper fixing frame 5, the lower fixing frame I3 and the lower fixing frame II 4.

In summary, the following steps: the device for preventing the venous catheter from falling off is characterized in that a fixing plate 1 is sleeved at the wrist of a patient through a plastic elastic bracelet 2, a handle 8 is pulled upwards, the handle 8 drives an upper fixing frame 5 to move upwards relative to a lower fixing frame I3 and a lower fixing frame II 4, an elastic telescopic structure 6 is stressed to extend, the venous catheter is placed at the groove at the top of the lower fixing frame I3 and the top of the lower fixing frame II 4, the handle 8 is loosened, the elastic telescopic structure 6 recovers the length, the surface of the venous catheter can be fixed by the upper fixing frame 5, the lower fixing frame I3 and the lower fixing frame II 4 and is limited, the device for preventing the venous catheter from falling off has the advantage of falling off prevention, the device for preventing the venous catheter from falling off has the function of fixing the venous catheter at the wrist of the patient without influencing the normal activity of the patient in the using process, the stability of the venous, the problem of current ductus venosus keep somewhere in patient's wrist department mostly when using, patient's wrist often leads to ductus venosus unstable owing to often move about, drops even, in case drop just need reset ductus venosus, cause extra misery for the patient is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (6)

1. A device for preventing an intravenous catheter from falling off comprises a fixing plate, and is characterized in that: the both sides of fixed plate bottom all are provided with plastics elasticity bracelet, the front side and the rear side at plastics elasticity bracelet top are mount one and mount two down in proper order fixedly connected with, mount two is located the left side of mount one down, the top of mount one and mount two down is provided with the mount, mount one down, mount two down and the relative one side of mount are seted up flutedly, the equal fixedly connected with elastic telescopic structure in front side and the rear side at fixed plate top, elastic telescopic structure's top fixedly connected with fixed block, one side and the mount fixed connection of fixed block.

2. The device for preventing the venous catheter from falling off as claimed in claim 1, wherein: the utility model discloses a spring telescopic structure, including casing and fixed plate fixed connection, the both sides of casing inner chamber all are provided with spring mechanism, one side fixedly connected with pinion rack one of spring mechanism, the both sides of casing inner chamber rear side all are connected with the gear through the bearing rotation, pinion rack one meshes with the gear mutually, is provided with pinion rack two between two gears, pinion rack two meshes with the gear mutually, the top fixedly connected with connecting rod of pinion rack two, the top of connecting rod run through to the top of casing and with fixed block fixed connection.

3. The device for preventing the venous catheter from falling off as claimed in claim 2, wherein: the spring mechanism includes the backup pad that is located casing inner chamber both sides top and bottom, and one side fixedly connected with round bar that two backup pads are relative, the surperficial swing joint of round bar has the sliding sleeve, the surperficial cover of round bar is equipped with the spring, the one end and the sliding sleeve fixed connection of spring, the other end and the backup pad fixed connection of spring.

4. The device for preventing the venous catheter from falling off as claimed in claim 1, wherein: the top fixedly connected with handle of upper mounting frame, the surface of handle is smooth.

5. The device for preventing the venous catheter from falling off as claimed in claim 1, wherein: one side that the fixed plate was kept away from to plastics elasticity bracelet is provided with the arcwall face.

6. The device for preventing the venous catheter from falling off as claimed in claim 2, wherein: the limiting groove has all been seted up to the both sides of casing inner chamber, the inner chamber swing joint of limiting groove has the stopper, the stopper is kept away from one side and the sliding sleeve fixed connection of limiting groove.

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