CN215386863U - Interventional catheter fixing device - Google Patents

Abstract

The utility model discloses an interventional catheter fixing device in the technical field of medical auxiliary instruments, which comprises a fixing sleeve, a perforation, a connecting structure and a clamping structure, wherein the clamping structure comprises an elastic chuck, the elastic chuck comprises an integrated and coaxial cylindrical part and a circular table part, a clamping hole and a strip-shaped notch are formed in the circular table part, a conical groove is formed in the fixing sleeve, a rotating sleeve is sleeved on the fixing sleeve in a threaded manner, a clearance groove is formed in the rotating sleeve, and an annular protruding part is formed in the end face of the rotating sleeve. The utility model has the beneficial effects that: press from both sides tight structure through setting up and press from both sides tight intervention pipe, and then can realize effectively fixing intervention pipe, when avoiding receiving to drag and drag, intervene the pipe and take off from fixed cover, through setting up connection structure, and then can install fixed cover on the bed edge of nursing bed to medical staff intervenes the catheterization operation.

Description

Interventional catheter fixing device

Technical Field

The utility model relates to the technical field of medical auxiliary instruments, in particular to an interventional catheter fixing device.

Background

Through retrieval, the Chinese patent No. CN210933353U discloses an interventional catheter fixing device, which is applied to the technical field of medical instruments and comprises a fixing seat, wherein a connecting block is arranged on the fixing seat, an arc-shaped magnet is arranged on the connecting block, the arc-shaped magnet is magnetically connected with the connecting block, arc-shaped silica gel is arranged in the arc-shaped magnet, and inverted teeth are arranged on the arc-shaped silica gel; the catheter is fixed through the inverted teeth on the arc-shaped silica gel, the operation is convenient and reliable, and the catheter can be inserted into the inverted teeth and cannot be pulled out when the inverted teeth are smooth; the catheter can be pulled out when the teeth are reversed, and the catheter cannot be inserted; through the changeable cisoid of reverse installation arc magnet and contrary tooth, arc magnet passes through magnetism and is connected with the connecting block, and it is convenient to dismantle, and the fixing base passes through the elastic adhesive tape installation fixed, connects firmly.

Among the above-mentioned prior art, fix interventional catheter through the pawl, but this kind of mode still can not effectively fix interventional catheter for interventional catheter receives the phenomenon that produces and drop from the fixing base behind the great pulling power, and then leads to influencing medical operation's efficiency.

Based on the above, the present invention provides an interventional catheter fixing device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an interventional catheter fixing device, which aims to solve the problem that the efficiency of medical operation is influenced because the interventional catheter is effectively fixed by the inverted teeth in the prior art proposed in the background art and the interventional catheter is separated from a fixed seat after being subjected to large pulling force.

In order to achieve the purpose, the utility model provides the following technical scheme: an interventional catheter fixing device comprises a fixing sleeve, wherein a through hole which is used for an interventional catheter to freely pass through and is in a through hole form is coaxially arranged on the fixing sleeve, the fixing sleeve is detachably mounted on an external nursing bed through a connecting structure, a clamping structure which is used for clamping the interventional catheter is arranged on the fixing sleeve, the clamping structure comprises an elastic chuck, the elastic chuck comprises an integrated and coaxial cylindrical part and a circular table part, the outer diameter of the circular table part is sequentially increased towards the direction far away from the cylindrical part, a clamping hole which is used for being inserted into the interventional catheter and is in the through hole form is coaxially arranged on the circular table part, a plurality of strip-shaped notches are arranged on the outer wall of the circular table part along the axial array of the circular table part, the strip-shaped notches are communicated with the end face of the circular table part, the cylindrical part can be slidably inserted into the through hole, and a taper groove which is matched with the appearance of the circular table part and used for being clamped with the circular table part is arranged on the fixing sleeve, the fixed sleeve is sleeved with a rotating sleeve through threads, the rotating sleeve is provided with an empty avoiding groove for the intervention catheter to freely pass through, and the end face of the rotating sleeve is provided with an annular protruding part which is abutted against the end face of the shaft of the circular table part.

Preferably, a plurality of convex ribs are arranged on the outer wall of the rotating sleeve.

Preferably, connection structure includes the lower plate of rigid coupling on fixed cover outer wall, it has the punch holder to articulate on the fixed cover outer wall, enclose into a tight space of clamp between punch holder and the lower plate, the punch holder is driven its articulated department of following with fixed cover by drive unit and is rotated, drive unit is including the thread bush of articulated on the lower plate, coaxial thread wears to be equipped with drive screw on the thread bush, drive screw upper end and punch holder rotate to be connected.

Preferably, a ball head is coaxially and fixedly connected to the driving screw, and a spherical clamping groove which is used for clamping the ball head and can freely rotate is formed in the upper clamping plate.

Preferably, the upper clamping plate and the lower clamping plate are symmetrically provided with clamping blocks, and the clamping blocks are provided with a plurality of ratchets.

Compared with the prior art, the utility model has the beneficial effects that: press from both sides tight structure through setting up and press from both sides tight intervention pipe, and then can realize effectively fixing intervention pipe, when avoiding receiving to drag and drag, intervene the pipe and take off from fixed cover, through setting up connection structure, and then can install fixed cover on the bed edge of nursing bed to medical staff intervenes the catheterization operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic cross-sectional view of the three-dimensional structure of FIG. 1;

fig. 3 is an exploded view of the three-dimensional structure of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-perforation, 2-fixing sleeve, 3-clamping hole, 4-strip notch, 5-taper groove, 6-annular protrusion, 7-clearance groove, 8-rotating sleeve, 9-ball head, 10-spherical clamping groove, 11-upper clamping plate, 12-ratchet, 13-clamping block, 14-lower clamping plate, 15-threaded sleeve, 16-driving screw, 17-circular boss part and 18-cylindrical part.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an interventional catheter fixing device comprises a fixing sleeve 2, a through hole type perforation 1 for an interventional catheter to freely pass through is coaxially arranged on the fixing sleeve 2, the fixing sleeve 2 is detachably mounted on an external nursing bed through a connecting structure, the connecting structure comprises a lower clamping plate 14 fixedly connected to the outer wall of the fixing sleeve 2, an upper clamping plate 11 is hinged to the outer wall of the fixing sleeve 2, a clamping space is enclosed between the upper clamping plate 11 and the lower clamping plate 14, the upper clamping plate 11 is driven by a driving unit to rotate along the hinged position with the fixing sleeve 2, the driving unit comprises a threaded sleeve 15 hinged to the lower clamping plate 14, a driving screw 16 is arranged on the threaded sleeve 15, a ball head 9 is coaxially and fixedly connected to the driving screw 16, a spherical clamping groove 10 for clamping the ball head 9 and free rotation is formed in the upper clamping plate 11, the ball head 9 rotates and is limited in the spherical clamping groove 10, so that the driving screw 16 is rotatably connected with the upper clamping plate 11, the upper end of a driving screw 16 is rotatably connected with an upper clamping plate 11, when the fixed sleeve 2 is clamped and installed on the bed edge of an external nursing bed, firstly, the driving screw 16 is rotated to screw the driving screw 16 on a threaded sleeve 15, meanwhile, the driving screw 16 is rotatably connected with the upper clamping plate 11, and further, the upper clamping plate 11 is turned downwards along the hinged position of the fixed sleeve 2, so that the upper clamping plate 11 and a lower clamping plate 14 jointly clamp the upper side and the lower side of the bed edge of the nursing bed, and further, the fixed sleeve 2 is installed on the bed edge of the nursing bed, in order to increase the clamping force of the upper clamping plate 11 and the lower clamping plate 14 on the bed edge, clamping blocks 13 can be symmetrically arranged on the upper clamping plate 11 and the lower clamping plate 14, a plurality of ratchet teeth 12 are arranged on the clamping blocks 13, so that the clamping blocks 13 can be firmly clamped and installed on the bed edge through the ratchet teeth 12, a clamping structure for clamping a conduit is arranged on the intervening fixed sleeve 2, the clamping structure comprises an elastic chuck, the elastic chuck comprises an integrated and coaxial cylindrical part 18 and a circular table part 17, the outer diameter of the circular table part 17 is sequentially increased towards the direction far away from the cylindrical part 18, a clamping hole 3 which is used for inserting the intervention conduit and is in a through hole form is coaxially arranged on the circular table part, a plurality of strip-shaped gaps 4 are arranged on the outer wall of the circular table part 17 along the axial direction array, the strip-shaped gaps 4 are communicated with the axial end face of the circular table part 17, the cylindrical part 18 can be inserted into the through hole 1 in a sliding way, a conical groove 5 which is matched with the circular table part 17 in shape and used for clamping the circular table part 17 is arranged on the fixed sleeve 2, a rotating sleeve 8 is sleeved on the fixed sleeve 2 in a threaded way, a clearance groove 7 which the intervention conduit can pass through freely is arranged on the rotating sleeve 8, an annular convex part 6 which is abutted against the axial end face of the circular table part 17 is arranged on the end face of the rotating sleeve 8, the intervention conduit sequentially penetrates out of the clearance groove 7, the clamping hole 3 and the through hole 1 and then rotates the rotating sleeve 8, the screw thread of rotating sleeve 8 on fixed cover 2 closes soon, the screw thread is during soon, make 6 terminal surfaces of annular bulge and 17 axle terminal surfaces of round platform portion counterbalance tightly, and then make 6 axial extrusion forces of producing round platform portion 17 of annular bulge, and then make round platform portion 17 slide in the taper groove 5, the slip in-process, the 5 inner walls of taper groove produce radial inboard extrusion force to the conical surface of round platform portion 17, and then make the outer wall of round platform portion 17 produce elastic shrinkage, make centre gripping hole 3 press from both sides tightly the intervention pipe, be equipped with a plurality of beads on the 8 outer walls of rotating sleeve in addition, through setting up the bead, can conveniently rotate rotating sleeve 8.

The utility model is implemented as follows: when the fixed sleeve 2 is installed, firstly, the driving screw 16 is rotated, the driving screw 16 is screwed on the threaded sleeve 15, and meanwhile, the driving screw 16 is rotatably connected with the upper clamping plate 11, so that the upper clamping plate 11 is downwards overturned along the hinged position of the fixed sleeve 2, the upper clamping plate 11 and the lower clamping plate 14 jointly clamp the upper side and the lower side of the bed edge of the nursing bed, and the fixed sleeve 2 is installed on the bed edge of the nursing bed;

intervene the pipe by keeping away dead slot 7 in proper order, centre gripping hole 3, perforation 1 wears out, then rotate and rotate cover 8 again, it closes soon to rotate cover 8 screw thread on fixed cover 2, the screw thread is rotatory fashionable, make 6 terminal surfaces of annular bulge and round platform portion 17 axle terminal surface counterbalance tightly, and then make annular bulge 6 produce axial extrusion force to round platform portion 17, and then make round platform portion 17 slide in the taper groove 5, the slip in-process, the conical surface of taper groove 5 inner wall to round platform portion 17 produces radial inboard extrusion force, and then make the outer wall of round platform portion 17 produce elastic shrinkage, make centre gripping hole 3 press from both sides tightly intervention pipe.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides an intervene pipe fixing device, includes a fixed cover (2), coaxial being equipped with on fixed cover (2) supplies intervene the perforation (1) that the pipe freely passes through, through-hole form, its characterized in that, fixed cover (2) are by connection structure demountable installation on the outside nursing bed, be equipped with on fixed cover (2) and be used for going on pressing from both sides tight clamping structure to intervene the pipe, clamping structure includes an elastic chuck, elastic chuck includes integrative and coaxial cylinder portion (18), round platform portion (17) external diameter is progressively increased in proper order towards the direction of keeping away from cylinder portion (18), coaxially set up on it and supply to intervene pipe plug-in, the centre gripping hole (3) of through-hole form, seted up a plurality of bar breachs (4) along its axial array on round platform portion (17) outer wall, bar breach (4) are linked together with round platform portion (17) axle head face, cylinder portion (18) slidable ground is inserted and is closed in perforation (1), set up on fixed cover (2) with round platform portion (17) appearance matching, and supply taper groove (5) of round platform portion (17) block, screw thread cover is equipped with on fixed cover (2) and rotates cover (8), be equipped with on rotating cover (8) and supply to intervene clearance groove (7) that the pipe freely passes through, be equipped with on its terminal surface with annular bulge (6) that round platform portion (17) shaft terminal surface offseted.

2. An interventional catheter securement device according to claim 1, wherein the outer wall of the rotating sleeve (8) is provided with a plurality of ribs.

3. An interventional catheter fixing device according to claim 1, wherein the connecting structure comprises a lower clamping plate (14) fixedly connected to the outer wall of the fixing sleeve (2), an upper clamping plate (11) is hinged to the outer wall of the fixing sleeve (2), a clamping space is defined between the upper clamping plate (11) and the lower clamping plate (14), the upper clamping plate (11) is driven by a driving unit to rotate along the hinge with the fixing sleeve (2), the driving unit comprises a threaded sleeve (15) hinged to the lower clamping plate (14), a driving screw (16) is coaxially threaded on the threaded sleeve (15), and the upper end of the driving screw (16) is rotatably connected with the upper clamping plate (11).

4. The interventional catheter fixing device according to claim 3, wherein a ball head (9) is coaxially and fixedly connected to the driving screw (16), and a spherical clamping groove (10) which is used for clamping the ball head (9) and can freely rotate is formed in the upper clamping plate (11).

5. The interventional catheter fixing device of claim 3, wherein the upper clamping plate (11) and the lower clamping plate (14) are symmetrically provided with clamping blocks (13), and the clamping blocks (13) are provided with a plurality of ratchet teeth (12).

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