An interventional device fixator

Abstract

The present invention discloses an interventional device fixator, belonging to the technical field of medical devices. The interventional device fixator has a tray, the side wall of the tray is higher than the bottom surface of the tray, at least two baffles are fixedly connected to the bottom surface inside the tray, the baffles enclose a fixing track, and at least two access holes are provided on the side wall of the tray. The bottom surface where the baffle is fixedly connected to the tray is a continuous or discontinuous straight line, curve, U-shaped line, spiral line, circular line, elliptical line, annular line, broken line, or a combination of them. The advantages of the present invention are as follows: Multiple interventional devices can be placed at the same time, which can be pulled and drawn but cannot move randomly, avoiding the situation of the interventional devices being entangled with each other, protecting the interventional devices from contamination, reducing the burden of manual control, and having the characteristics of simple structure, stable performance, and convenient operation, which is of great significance for the popularization and improvement of interventional surgery.

Description

Technical Field

[0001] The present invention relates to an interventional device fixator, belonging to the technical field of medical devices. Background Art

[0002] With the continuous improvement of people's living standards, the incidence of arterial diseases is increasing, and among them, peripheral arterial lesions are also increasing year by year. Peripheral arterial diseases have two meanings. In a broad sense, peripheral arterial diseases include all arterial diseases except the heart, and even cerebral arterial diseases are included; in a narrow sense, peripheral arterial diseases mainly include the abdominal aorta below the renal artery plane and the arteries distal to it, arterial diseases of the extremities, and extracranial carotid artery diseases. At present, the scope involved in domestic vascular surgery is not only the narrow sense of peripheral arterial diseases, but also includes large artery lesions such as the thoracic aorta, that is, systemic arterial lesions except the coronary artery of the heart and the cerebral artery.

[0003] Clinically, minimally invasive interventional techniques are mostly used to treat patients. The guide wire is the most basic device in interventional surgery. Different specifications of various guide wires will be used in an interventional operation. The length of the guide wire is generally between 150 cm and 300 cm. Multiple guide wires will be repeatedly replaced during the same operation, and when some guide wires are replaced, another part of the guide wires will be in a standby state. During the operation, the standby guide wires will be coiled and inserted into a plate containing sodium heparin sulfate, or wrapped with a gauze block and inserted on the instrument table. It is easy for multiple guide wires in the same heparin saline plate to be entangled with each other, and it is not easy to easily take out the required guide wire when used again. In addition, it is very difficult to coil and insert the longer reinforcing guide wire into the plate; during the progress of the guide wire, it must be gentle and progressive, and stop from time to time, advancing and retreating properly. Otherwise, it will affect the progress of the operation, and even puncture the blood vessel and cause an accident; in addition, the above operation process is also likely to cause the guide wire to slip from the sterile operation area to the non-sterile area, affecting the progress of the operation and adding risk factors to the operation.

[0004] Chinese Patent ZL200710064196 discloses a vascular interventional guide wire clamping protector, which directly clamps the guide wire. Its main body is a clamp that can clamp the guide wire and is composed of two hard components that can perform opening and closing actions. A connecting mechanism in contact with the operating table frame is equipped on the clamp. Its structure is complex and not convenient for clinical application and maintenance. Moreover, if the clamping force is too tight, it may damage the physical structure of the guide wire, especially the micro-guide wire. In severe cases, the catheter may be compressed, affecting the operation. When the clamping force is insufficient, it may cause the guide wire to break away from the protector, resulting in contamination of the guide wire. Therefore, it is not easy to control the clamping force and it is not convenient to operate. Moreover, this structure cannot directly moisten the hydrophilic guide wire. After the clamped guide wire is taken out, it still needs to be immersed in heparinized saline again to be moistened before it can be used again, increasing the preparation workload and operation time. Therefore, there is an urgent need for an interventional device fixator that can solve the above technical problems. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an interventional device fixator that causes no damage to catheters or guidewires, can infiltrate guidewires, can accommodate multiple interventional devices of different specifications simultaneously, saves surgical preparation time, and can be used in clinical surgeries.

[0006] To achieve the above object, the present invention adopts the following technical solutions.

[0007] An interventional device fixator has a tray. The side wall of the tray is higher than the bottom surface of the tray. At least two baffles are fixedly connected to the bottom surface inside the tray. The baffles enclose a fixing track. At least two access holes are provided on the side wall of the tray. The bottom surface where the baffles are fixedly connected to the tray is a continuous or discontinuous straight line, curve, U-shaped line, spiral line, circular line, oval line, annular line, broken line, or a combination of them.

[0008] The baffle is in the shape of a plane, a curved surface, or a combination thereof. The angle between the plane where the baffle is located and the bottom surface of the tray is 30° - 90°. When the plane where the baffle is located is a curved surface or a combined shape surface, the plane where the baffle is located can adopt the virtual plane formed by the upper edge and the bottom edge of the baffle. For example, when the baffle is circular, the circumference of the circle formed by its upper edge is smaller than the circumference of the circle formed by its bottom edge, and the overall shape shrinks from bottom to top.

[0009] A detachable fixing clip for blocking the fixing track is provided on the baffle. The fixing clip can adopt any fixing clip in the prior art in this field. Its function is to block above the track to prevent the interventional device placed inside the track from slipping out.

[0010] The interior of the tray is divided into a linear track area and an annular track area; the linear track area is a straight-line track area and / or a broken-line track area; the annular track area is a spiral track area and / or an annular track area. Conventional interventional surgeries require the use of multiple interventional devices, including catheters, guidewires, stents, etc. The shapes, lengths, and diameters of different interventional devices are different. The present invention designs the commonly used space in the surgery and divides it into different areas. For example, the straight-line track area and the broken-line track area are suitable for catheters, while the spiral track area and the annular track area are more suitable for guidewires. Users can choose according to their needs.

[0011] The straight-line track area is composed of 2 - 8 straight-line fixing tracks enclosed by baffles arranged in a row; the broken-line track area is composed of 2 - 8 broken-line fixing tracks enclosed by baffles arranged in a row; the spiral track area is composed of 2 - 6 spiral-shaped fixing tracks enclosed by baffles arranged in a row; the annular track area is composed of 2 - 6 circular, oval, or annular fixing tracks enclosed by baffles arranged in a row.

[0012] Generally speaking, a straight fixed track is suitable for interventional devices with a longer length and can be placed and fixed in a way of multiple S-shaped turnbacks. The zigzag track is designed individually for each device and can better place the catheter in each zigzag area to prevent confusion and entanglement between different catheters. Thinner wire-like devices can adopt a spiral fixed track or an annular fixed track.

[0013] A detachable hole plug is provided at the access hole. The access hole is the passage for the interventional device to enter and exit. Different devices enter and exit through different access holes, which can avoid confusion and entanglement. The access hole is circular, semi-circular or U-shaped, and the edge of the access hole is smooth for the entry of the interventional device.

[0014] Preferably, the access hole is U-shaped, and its upper edge is connected to the upper edge of the side wall of the tray. Such a design can more conveniently place the distal end of the interventional device into the hole.

[0015] All the access holes are distributed on the same side wall, and this side wall is close to the patient during the operation, which is convenient for the access of the interventional device.

[0016] In order to make the partition more obvious, a partition baffle is fixedly connected to the bottom surface inside the tray. The partition baffle divides the inside of the tray into connected or unconnected areas, such as a linear track area and an annular track area. Each partition can be connected or unconnected. When connected, the same solution can be used in the tray to moisten the interventional device. When unconnected, different solutions are used in each area to moisten the interventional device, which is convenient for the operator to select and use.

[0017] The bottom of the baffle is integrally formed and connected to the bottom surface of the tray. Stamping can be used during manufacturing, and the advantage is that there is no gap at the connection part between the tray and the baffle, which is convenient for disinfection.

[0018] The fixing clip can be the existing technology in the field or a specially designed structure. For example, the fixing clip is composed of a clamping piece and a shielding piece, and the two are integrally formed and connected; the clamping piece is an elastic clip that can be clamped on the upper part of the baffle, and the shielding piece is a flat or arc-shaped baffle. The role of the shielding piece is to block the interventional device placed in the fixed track so that it will not fall out of the fixed track, but it is not directly connected to the interventional device, which can maintain the free mobility of the interventional device in the fixed track and will not cause pressure damage to the surface of the interventional device.

[0019] The width of the fixing clip is greater than half of the width between two adjacent straight or curved fixed tracks; or greater than half of the distance between two adjacent spirals formed by the same spiral fixed track. When the width is greater than half, the interventional device accommodated inside will be more difficult to fall out of the fixed track, thus playing a fixing role.

[0020] The interventional devices include, but are not limited to, angiography catheters, PTCA guiding catheters, guide wires, micro guide wires, etc. Any interventional surgical instruments that need to enter the human body can use the fixator of this patent.

[0021] This patent can also add a cover design. A detachable or foldable cover is connected above the tray; the cover is movably connected to the tray on one side of the tray through a connecting member. After placing the interventional devices, the cover is buckled to keep a clean space inside, and further prevent the interventional instruments from deviating from the fixing track or falling out of the fixator and falling into the non-clean area. The cover is a transparent cover, and the operator can clearly see the situation inside the tray through the cover. There is a length mark above the cover. The length mark can be printed or etched above the cover, which is convenient for doctors to measure the data of the excised human tissue in time during the operation.

[0022] A support member is fixedly connected below the tray, which can lift the bottom surface of the tray off the plane. By using the support member to fix the tray, the tray can be placed on the operating table through the support frame, making use of the three-dimensional space on the operating table and getting as close as possible to the patient's body, and the tray can be kept as horizontal as possible. If there is no support member, the tray can be placed on a flat operating trolley and get as close as possible to the patient's body.

[0023] Preferably, the support member is a support leg located at the four corners below the tray. The height of the support leg is 30 - 150 cm, and there are rollers with locking devices fixed below the support legs. When the support legs are longer, rollers with locking devices can also be fixed below the support legs, which can be conveniently moved and kept stationary on the floor of the operating room.

[0024] The advantages of the present invention are as follows: It can accommodate multiple interventional instruments at the same time, can be pulled and drawn, and cannot move randomly, avoiding the situation of interventional instruments being entangled with each other, protecting the interventional instruments from contamination, reducing the burden of manual control, and having the characteristics of simple structure, stable performance, and convenient operation, which is of great significance for the popularization and improvement of interventional surgery.

[0025] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the present invention, and constitute a part of this application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0027] Figure 1 The top view showing Embodiment 1

[0028] Figure 2Side view showing Embodiment 1

[0029] Figure 3 Structural diagram of the fixing clip showing Embodiment 1

[0030] Figure 4 Top view showing Embodiment 2

[0031] Figure 5 Side view showing Embodiment 2

[0032] Figure 6 Side view showing Embodiment 3

[0033] Figure 7 Top view showing Embodiment 4

[0034] Figure 8A Partial longitudinal profile view of the zigzag track area showing this Embodiment 4; Figure 8B Partial longitudinal profile view of the circular track area showing Embodiment 4.

[0035] The marks in the figure are as follows: 1 - tray, 11 - bottom surface, 12 - side wall, 121 - access hole, 111 - straight track area, 112 - spiral track area, 113 - zigzag track area, 114 - circular track area; 2 - baffle, 21 - upper edge of the baffle, 22 - lower edge of the baffle, 3 - fixed track, 4 - fixing clip, 41 - clamping member, 42 - shielding member, 5 - hole plug, 6 - partition baffle, 7 - cover body, 71 - connecting member, 8 - support member (support leg), 9 - roller, 91 - roller locking member Detailed implementation manners

[0036] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 a limitation of the present invention.

[0038] In the present invention, unless otherwise clearly specified or limited, the terms "installed", "connected", "joined", "fixed", etc. shall be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified or limited, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0040] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings as understood by those of ordinary skill in the art to which this invention pertains. The "first", "second" and similar terms used in the description and claims of this patent application do not denote any order, quantity or importance, but are only used to distinguish different components. Similarly, the terms such as "a" or "one" do not denote a quantity limitation, but mean that there is at least one.

[0041] Example 1

[0042] As Figures 1 to 3 shown, an interventional device fixator has a tray 1. The side wall 12 of the tray 1 is higher than the bottom surface 11 of the tray, and the height of the side wall is 2 - 5 cm. A plurality of smooth-surfaced baffles 2 are fixedly connected to the bottom surface 11 inside the tray, enclosing a fixing track 3. A plurality of access holes 121 are provided in the upper part of the side wall 12 of the tray. The access holes 121 are U-shaped holes, and detachable hole plugs 5 are provided at the access holes 121. A plurality of detachable fixing clips 4 are provided on the baffles 2 at intervals along the fixing track.

[0043] The baffles 2 are divided into straight and spiral shapes. The fixing track 3 is divided into different regions, including a straight region 111 and a spiral region 112. The straight region is composed of a plurality of juxtaposed straight baffles 2, and the spiral region is composed of 2 juxtaposed spiral baffles 2.

[0044] The access hole 121 is a U-shaped hole with a hole diameter of 5 mm. The edge of the access hole 121 is smooth, and all the access holes are distributed on the same side wall.

[0045] The fixing clip 4 is composed of a clamping member 41 and a shielding member 42, and the two are integrally formed and connected; the clamping member 41 is an elastic clip that can be clamped on the upper part of the baffle 2, and the shielding member 42 is an arc-shaped baffle. The structure of this fixing clip is only for illustration, and any fixing clip and its improved structure in the prior art that can achieve the shielding effect are regarded as equivalent structures.

[0046] There are two widths of the fixing clip 4. The first one is on the straight fixing track. The width of this fixing clip 4 is greater than the width between two adjacent straight fixing tracks 3, and it can span across the upper parts of two straight baffles to play a role in blocking downward; the width of the second fixing clip is greater than half of the width of a spiral fixing track 3, and two fixing clips 4 are fixedly arranged oppositely above the adjacent baffles to form an effective block.

[0047] The interventional device is an angiography catheter, a PTCA guiding catheter, a guide wire, etc.

[0048] Embodiment 2

[0049] Refer to Figure 4 and Figure 5 As shown, the difference between this embodiment and Embodiment 1 is that:

[0050] A partition baffle 6 is fixedly connected to the bottom surface 11 of the tray 1. The partition baffle 6 is perpendicular to the bottom surface 11 and is integrally formed and connected with the bottom surface 11. The partition baffle 6 divides the interior of the tray 1 into non-connected spaces.

[0051] A detachable or foldable cover 7 is connected to the tray 1. The cover 7 can be movably connected to the tray 1 on one side of the tray through a connecting member (hinge) 71. A scale can also be printed on the cover 7 for the doctor to use as a measuring tool during the operation.

[0052] A support member 8 is fixedly connected below the tray 1 to lift the bottom surface 11 of the tray 1 off the plane. The support member 8 is a support leg located at the four corners below the tray. The height of the support leg is 30 cm.

[0053] Embodiment 3

[0054] Refer to Figure 6 As shown, the difference between this embodiment and Embodiment 1 is that:

[0055] A support member 8 is fixedly connected below the tray 1 to lift the bottom surface 11 of the tray 1 off the plane. The support member 8 is a support leg located at the four corners below the tray. The length of the support leg 8 is 150 cm, and a roller 9 with a roller locking member 91 is fixed below the support leg 8.

[0056] Example 4

[0057] Referring to Figure 7 、 Figure 8A and Figure 8B as shown, the difference between this embodiment and Embodiment 1 is that:

[0058] The inner part of the tray 1 is divided into a zigzag track area 113 and an annular track area 114, respectively replacing the linear track area 111 and the spiral track 112 in Embodiment 1.

[0059] The zigzag track area 113 consists of 3 independent zigzag tracks surrounded by the baffle 2. Each zigzag track can hold a longer catheter, and the catheters will not get entangled with each other. A plurality of detachable fixing clips 4 are provided on the baffle 2 of this area at intervals along the fixed track.

[0060] Figure 8A shows a partial longitudinal sectional view of the zigzag track area. The baffle 2 is a plane, and the baffle 2 is integrally formed and connected with the bottom surface 11, and the two are perpendicular to each other.

[0061] The annular track area 114 consists of a group of independent circular closed spaces surrounded by the baffle 2. The baffle 2 is a curved surface, and the included angle between the connecting line of the upper edge 21 (the edge not in contact with the bottom surface 11) and the lower edge 22 (the edge in contact with the bottom surface 11) of the baffle and the bottom surface of the tray 1 is an acute angle. No fixing clip 4 needs to be installed on the baffle 2 of this area.

[0062] Figure 8B shows a partial longitudinal sectional view of an independent circular closed space in the annular track area. The baffle 2 is an arc surface, and the baffle is integrally formed and connected with the bottom surface 11. The included angle between the connecting line of the upper edge 21 and the lower edge 22 of the baffle 2 and the bottom surface 11 of the baffle is an acute angle, that is, the circle formed by the upper edge 21 is small, and the circle formed by the lower edge 22 is large. An accommodating space for the interventional instrument with a large chassis and a small opening is formed inside the circular closed space.

[0063] During use, the guide wire can be directly placed in the circular closed space. Under the action of its own tension, the guide wire tends to adhere to the wall and form a fixation, and it will not fall out, nor is it necessary to use a fixing clip. When the guide wire needs to be used during the operation, the guide wire can be taken out from the inside through the open mouth above the circular closed space. After use, it is coiled into a circle and put back into the circular closed space, and the guide wire will automatically expand and fix again, which is very convenient to use.

[0064] Another advantage of this annular track is that since its internal space is independent and closed, the solution for soaking the guide wire can be poured into each track separately, rather than into the overall space at the bottom of the tray, thereby reducing the amount of soaking solution used.

[0065] The series of detailed descriptions listed above are only specific descriptions of the feasible embodiments of the present invention, and they are not intended to limit the protection scope of the present invention. Those skilled in the art can design many other modifications and embodiments, and these modifications and embodiments will fall within the principle scope and spirit disclosed in this application. More specifically, within the scope of the disclosure, drawings and claims of this application, various variations and improvements can be made to the components and / or layout of the subject combination layout. In addition to the variations and improvements made to the components and / or layout, other uses will also be obvious to those skilled in the art.

[0066] In summary, the above are only the preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope covered by the patent of the present invention.

Claims

1. An interventional device fixator, characterized in that: It has a tray. The side wall of the tray is higher than the bottom surface of the tray. At least two baffles are fixedly connected to the bottom surface inside the tray. The baffles enclose a fixed track. At least two access holes are provided on the side wall of the tray. The bottom surface where the baffle is fixedly connected to the tray is a continuous or discontinuous straight line, curve, U-shaped line, spiral line, circular line, elliptical line, annular line, broken line, or a linear shape formed by their combination with a width. The interior of the tray is divided into a linear track area and an annular track area. The linear track area is a straight-line track area and / or a broken-line track area. The annular track area is a spiral track area and / or an annular track area. The straight-line track area is composed of 2 - 8 straight-line fixed tracks enclosed by baffles arranged. The broken-line track area is composed of 2 - 8 broken-line fixed tracks enclosed by baffles arranged. The spiral track area is composed of 2 - 6 fixed tracks with a spiral main body enclosed by baffles arranged. The annular track area is composed of 2 - 6 circular, or elliptical, or annular fixed tracks enclosed by baffles arranged. Partition baffles are fixedly connected to the bottom surface inside the tray. The partition baffles divide the linear track area and the annular track area inside the tray into connected or unconnected areas.

2. The interventional device fixator according to claim 1, characterized in that: The baffle is in the shape of a plane, a curved surface, or a combination thereof. The angle between the plane where the baffle is located and the bottom surface of the tray is 30° - 90°.

3. The interventional device fixator according to claim 1, characterized in that: Removable fixing clips for covering the fixed track are provided on the baffle.

4. An interventional device fixator according to claim 1, characterized in that: Removable hole plugs are provided at the access holes.

5. The interventional device fixator according to claim 1, characterized in that: The access holes are evenly distributed on the same side wall. The access holes are circular, semi-circular, or U-shaped, and the edges of the access holes are smooth.

6. The interventional device fixator according to claim 3, wherein: The fixing clip is composed of a clamping piece and a covering piece, and the two are integrally formed and connected. The clamping piece is an elastic clip that can be clamped on the upper part of the baffle, and the covering piece is a flat or arc-shaped baffle.

7. The interventional device fixator according to claim 3, characterized in that: The width of the fixing clip is greater than half of the width between two adjacent straight-line or curved fixed tracks; or greater than half of the distance between two adjacent spirals formed by the same spiral fixed track.

8. The intervention device fixator according to claim 1, wherein: The interventional device is an angiography catheter, a PTCA guiding catheter, a guide wire, a micro-guide wire, etc.

9. An interventional device fixator according to any one of claims 1 to 8, characterized in that: A removable or foldable cover body is connected above the tray. The cover body is movably connected to the tray through a connecting piece on one side of the tray. The cover body is a transparent cover, and a length mark is provided above the cover body.

10. An interventional device fixator according to claim 9, characterized in that: A support member is fixedly connected below the tray to lift the bottom surface of the tray above the plane.

11. An interventional device fixator according to claim 10, characterized in that: The support member is a support leg located at the four corners below the tray. The height of the support leg is 30 - 150 cm, and a roller with a locking device is fixed below the support leg.

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