A degradable drug-eluting sinus stent implant device

Abstract

The present invention specifically relates to a device for implanting a degradable drug eluting sinus stent, comprising a transverse plate frame, a rotating seat, a supporting leg and a lifting plate. The transverse plate frame is rotatably mounted on the rotating seat and fixed by an elastic cylindrical pin assembly. The rotating seat is mounted on the upper side wall of the supporting leg. A plug-in groove is provided at the lower portion of the supporting leg, and a lifting plate is plug-inly mounted thereon. A threaded rod is threadedly mounted on the upper portion of the lifting plate, and a foot plate is mounted at the lower end of the lifting plate. A fastening bolt assembly is provided at the bottom of the foot plate. The beneficial effects are as follows: the present invention provides a transverse plate frame and supporting legs, a storage rack and an introduction rod are provided on the transverse plate frame, a lifting plate is provided on the supporting leg and controlled by the threaded rod, so that the height of the transverse plate frame can be adjusted conveniently according to the patient's volume during use. When in use, the drug eluting stent is placed on the storage rack and pushed by the introduction rod, thereby ensuring the smooth implantation of the drug eluting stent.

Description

Technical Field

[0001] The present invention relates to the field of medical devices, in particular to a sinus degradable drug eluting stent implantation device. Background Art

[0002] The sinuses are also called paranasal sinuses and paranasal sinuses. There are multiple air-filled bone cavities around the nasal cavity. They are hidden next to the nasal cavity. The maxillary sinus is located on both sides of the nasal cavity, in the maxillary bone below the eye socket; the frontal sinus is in the frontal bone; the ethmoid sinus is located on both sides of the upper part of the nasal cavity, composed of many small air-filled cavities in the ethmoid tube; the sphenoid sinus is in the sphenoid bone behind the nasal cavity. They all communicate with the nasal cavity through small openings. In addition to moistening and warming the inhaled air, the sinuses also play an important role in shaping the human face, supporting the inside of the head, and reducing the weight of the head.

[0003] Currently, sinusitis patients usually use biodegradable drug eluting stents during treatment. However, the current biodegradable drug eluting stents are usually implanted manually by doctors, which is affected by the doctor's condition and is prone to instability and inaccurate implantation position. Summary of the invention

[0004] The object of the present invention is to provide a degradable drug eluting sinus stent implant device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sinus degradable drug eluting stent implantation device, comprising a horizontal plate frame, a rotating seat, a support leg and a lifting plate, the two ends of the horizontal plate frame are provided with a rotating groove, and the frame is rotatably mounted on the rotating seat and fixed by an elastic cylindrical pin assembly, the rotating seat is mounted on the upper end side wall of the support leg, the lower part of the support leg is provided with a plug-in groove, and the lifting plate is plug-inly mounted, the upper part of the lifting plate is threadedly mounted with a threaded rod, and the threaded rod is rotatably mounted on the support leg, the lower end of the lifting plate is provided with a foot plate, and the bottom of the foot plate is provided with a fastening bolt assembly.

[0006] Preferably, a storage rack is installed in the middle of the horizontal plate frame, a push plate is plug-in-installed on the end of the storage rack, a conveying groove is symmetrically opened on the upper surface of the storage rack, and a guide rod is symmetrically installed on the side wall of the push plate, and the guide rod matches the push plate.

[0007] Preferably, the rotating seat is an "L"-shaped block structure, cylindrical shafts are symmetrically installed at the corners of the rotating seat, and the cross plate frame is rotatably installed on the rotating seat through the cylindrical shafts.

[0008] Preferably, the side wall of the rotating seat is symmetrically provided with a first positioning hole and a second positioning hole, the cross-sectional centers of the second positioning hole and the first positioning hole are colinear with the central axis of the cylindrical shaft, and the distances from the second positioning hole and the first positioning hole to the cylindrical shaft are the same.

[0009] Preferably, mounting brackets are symmetrically installed at the ends of the threaded rod. A handle plate is rotatably installed on the mounting brackets. An elastic lock block structure is arranged at the lower part of the handle plate. A clamping block is arranged at the lower part of the handle plate. The end of the clamping block is in a slope shape, and a clamping groove is formed on the upper surface of the clamping block.

[0010] Preferably, the elastic lock block assembly includes a chute, a sliding lock block, a guide plate, a return spring and a lever bar. The chute is opened at the end of the handle plate. The sliding lock block is pluggably installed in the chute. A guide plate is installed on the back of the sliding lock block. The guide plate is slidably installed on the handle plate. A return spring is arranged on the back of the sliding lock block. The return spring is sleeved on the guide plate. Two groups of lever bars are symmetrically installed on the side walls of the sliding lock block.

[0011] Preferably, the lifting plate is in a rectangular plate structure. Guide grooves are installed on the side walls of the lifting plate. There are two groups of guide grooves, and the guide grooves are in a rectangular block structure. The guide grooves are slidably installed in the guide blocks. The guide blocks are symmetrically opened on the side walls of the support legs.

[0012] Preferably, the fastening bolt assembly includes a threaded cylinder, a fastening bolt and a handle rod. The threaded cylinder is installed on the bottom surface of the foot plate block, and a threaded hole is formed in the threaded cylinder. The threaded hole communicates with the foot plate block. The fastening bolt is threadedly installed in the threaded cylinder through the threaded hole. A handle rod is installed at the lower end of the fastening bolt. The handle rod is in a cross-shaped array.

[0013] Preferably, the elastic cylindrical pin assembly includes a U-shaped block, a cylindrical pin, a loosening prevention spring and a limiting ring. There are two groups of U-shaped blocks, which are symmetrically installed on the side walls of the ends of the cross plate frame. The cylindrical pin is pluggably installed in the U-shaped block. The end of the cylindrical pin passes through the side wall of the cross plate frame and is inserted into the second positioning hole to realize the fixation of the support leg. The loosening prevention spring is sleeved on the cylindrical pin. A limiting ring is arranged at the end of the loosening prevention spring. The limiting ring is installed on the cylindrical pin.

[0014] Preferably, a clamping rod is installed at the end of the cylindrical pin. The clamping rod is in a "C"-shaped block structure. A limiting clamping strip is installed below the side wall of the end of the U-shaped block. The limiting clamping strip is in an "L"-shaped block structure, and the limiting clamping strip matches the clamping rod.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] The present invention is provided with a cross plate frame and support legs. A storage rack and a guiding rod are arranged on the cross plate frame. A lifting plate is arranged on the support legs and is controlled by a threaded rod. During use, it is convenient to adjust the height of the cross plate frame according to the volume of the patient. During use, the drug-eluting stent is placed on the storage rack and pushed through the guiding rod, ensuring the smooth implantation of the drug-eluting stent, replacing the traditional manual implantation method, and ensuring the stability and accuracy of the implantation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the horizontal plate frame of the present invention;

[0019] Figure 3 It is a detailed diagram of some structures of the present invention;

[0020] Figure 4 It is a schematic diagram of the supporting leg of the present invention;

[0021] Figure 5 It is a schematic diagram of the lifting plate;

[0022] Figure 6 Schematic diagram of the rotating seat.

[0023] In the figure: horizontal plate frame 1, U-shaped block 101, cylindrical pin 102, anti-loosening spring 103, limiting ring 104, clamping rod 105, limiting clamping strip 106, rotating seat 2, first positioning hole 201, second positioning hole 202, cylindrical shaft 203, supporting leg 3, lifting plate 4, foot plate 5, threaded rod 6, storage rack 7, conveying groove 8, push plate 9, introduction rod 10, threaded cylinder 11, fastening bolt 12, handle rod 13, guide groove 14, guide block 15, mounting frame 16, handle plate 17, clamping block 18, clamping groove 19, slide groove 20, sliding lock block 21, guide plate 22, reset spring 23, lever strip 24,. DETAILED DESCRIPTION

[0024] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1-Figure 6The present invention provides a technical solution: a device for implanting a degradable drug eluting stent for a sinus, comprising a horizontal plate frame 1, a rotating seat 2, a supporting leg 3 and a lifting plate 4, a storage rack 7 is installed in the middle of the horizontal plate frame 1, a push plate 9 is installed at the end of the storage rack 7 in a plug-in manner, a conveying groove 8 is symmetrically opened on the upper surface of the storage rack 7, an introduction rod 10 is symmetrically installed on the side wall of the push plate 9, and the introduction rod 10 matches the push plate 9, a rotating groove is opened at both ends of the horizontal plate frame 1, and the horizontal plate frame 1 is rotatably installed on the rotating seat 2 and fixed by an elastic cylindrical pin assembly, and the rotating The movable seat 2 is an "L"-shaped block structure, and cylindrical shafts 203 are symmetrically installed at the corners of the rotating seat 2, and the cross-plate frame 1 is rotatably installed on the rotating seat 2 through the cylindrical shaft 203. The side wall of the rotating seat 2 is symmetrically provided with a first positioning hole 201 and a second positioning hole 202. The center of the cross section of the second positioning hole 202 and the first positioning hole 201 is colinear with the central axis of the cylindrical shaft 203, and the distance from the second positioning hole 202 to the first positioning hole 201 to the cylindrical shaft 203 is the same, so that the support leg 3 can be rotated and folded at the end of the cross-plate frame 1. After stacking, the elastic cylindrical pin assembly can be aligned with the first positioning hole 201, the rotating seat 2 is installed on the upper side wall of the supporting leg 3, the lower part of the supporting leg 3 is provided with a plug-in slot, and the lifting plate 4 is installed in a plug-in manner, the upper part of the lifting plate 4 is threadedly installed with a threaded rod 6, and the threaded rod 6 is rotatably installed on the supporting leg 3, the lower end of the lifting plate 4 is installed with a foot plate 5, and the bottom of the foot plate 5 is provided with a fastening bolt assembly, the lifting plate 4 is a rectangular plate structure, and the side wall of the lifting plate 4 is provided with a guide groove 14, and the guide groove 14 is provided with two groups, and the guide groove 14 is The rectangular block structure has a guide groove 14 that is slidably installed in the guide block 15. The guide block 15 is symmetrically opened on the side wall of the support leg 3. The guide groove 14 can ensure that the lifting plate 4 is more stable during the lifting control process. In actual operation, the patient lies on the bed, and the support leg 3 is fixed to the bed by the fastening bolt assembly. At the same time, the position of the shelf 7 is aligned with the patient's nasal cavity. The drug eluting stent can be placed in the delivery groove 8, and the introduction rod 10 is pushed by the push plate 9 to push the drug eluting stent into the patient's nasal cavity.

[0026] The end of the threaded rod 6 is symmetrically mounted with a mounting frame 16, and a handle plate 17 is rotatably mounted on the mounting frame 16. An elastic locking block structure is arranged at the lower part of the handle plate 17, and a card block 18 is arranged at the lower part of the handle plate 17. The end of the card block 18 is sloped, and a card slot 19 is provided on the upper surface of the card block 18. In the actual operation process, the handle plate 17 is convenient for the rotation of the threaded rod 6, and the elastic locking block assembly is convenient for being stuck on the card block 18 to realize the locking of the threaded rod 6, and the loosening of the surface threaded rod 6 is prevented. The elastic locking block assembly includes a slide groove 20, a sliding lock block 21, a guide plate 22, and a return spring 23. The lever bar 24 and the slide groove 20 are opened at the end of the handle plate 17, and a sliding lock block 21 is installed in the slide groove 20 in an inserted manner. A guide plate 22 is installed on the back of the sliding lock block 21, and the guide plate 22 is slidably installed on the handle plate 17. A return spring 23 is arranged on the back of the sliding lock block 21, and the return spring 23 is sleeved on the guide plate 22. The lever bar 24 is provided with two groups, which are symmetrically installed on the side wall of the sliding lock block 21. In the actual operation process, the sliding lock block 21 is moved by the lever bar 24 to facilitate the unfolding of the handle plate 17. When the sliding lock block 21 is stuck in the slot 19, the threaded rod 6 is fixed.

[0027] The fastening bolt assembly includes a threaded barrel 11, a fastening bolt 12 and a handle rod 13. The threaded barrel 11 is installed on the bottom surface of the foot plate 5, and a threaded hole is opened on the threaded barrel 11, the threaded hole is connected to the foot plate 5, and the threaded barrel 11 is threadedly installed with the fastening bolt 12 through the threaded hole. The lower end of the fastening bolt 12 is installed with a handle rod 13. The handle rod 13 is in a cross-shaped array. In actual operation, it is convenient to fix the overall structure on the bed by rotating the fastening bolt 12.

[0028] The elastic cylindrical pin assembly includes a U-shaped block 101, a cylindrical pin 102, a lock washer 103 and a limit ring 104. There are two groups of U-shaped blocks 101, which are symmetrically installed on the end side walls of the cross plate frame 1. The cylindrical pin 102 is inserted and installed in the U-shaped block 101. The end of the cylindrical pin 102 passes through the side wall of the cross plate frame 1 and is inserted into the second positioning hole 202 to fix the support leg 3. A lock washer 103 is sleeved on the cylindrical pin 102, and a limit ring 104 is arranged at the end of the lock washer 103. The limit ring 104 is installed on the cylindrical pin 102. In the actual operation process, when the cylindrical pin 102 is inserted into the second positioning hole 202, the support leg 3 is in the unfolded and in-use state. When the cylindrical pin 102 is inserted into the first positioning hole 201, the support leg 3 is in the retracted and folded state. A latch 105 is installed at the end of the cylindrical pin 102. The latch 105 is in a "C"-shaped block structure. A limit latch 106 is installed below the end side wall of the U-shaped block 101. The limit latch 106 is in an "L"-shaped block structure, and the limit latch 106 is matched with the latch 105. During actual operation, it is convenient to pull the cylindrical pin 102 through the latch 105. After the fixation of the support leg 3 is released, the latch 105 is stuck at the limit latch 106, so that the folding and storage of the support leg 3 are facilitated.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for implanting a degradable drug-eluting sinus stent, comprising a horizontal plate frame (1), a rotating seat (2), supporting legs (3) and a lifting plate (4); Features: The two ends of the horizontal plate frame (1) are provided with rotation grooves, and are rotatably mounted on the rotating seat (2) and fixed by elastic cylindrical pin assemblies; The rotating seat (2) is mounted on the upper side wall of the supporting leg (3); a plug-in slot is provided at the lower portion of the supporting leg (3), and a lifting plate (4) is installed in a plug-in manner; A threaded rod (6) is threadably mounted on the upper portion of the lifting plate (4), and the threaded rod (6) is rotatably mounted on the supporting leg (3); A foot plate (5) is installed at the lower end of the lifting plate (4), and a fastening bolt assembly is provided at the bottom of the foot plate (5); The ends of the threaded rod (6) are symmetrically installed with mounting brackets (16). A handle plate (17) is rotatably installed on the mounting brackets (16). An elastic locking block structure is provided at the lower part of the handle plate (17). A clamping block (18) is provided at the lower part of the handle plate (17). The end of the clamping block (18) is in a slope shape. A clamping groove (19) is formed on the upper surface of the clamping block (18). The elastic locking block structure includes a sliding groove (20), a sliding locking block (21), a guiding plate (22), a return spring (23) and a lever bar (24). The sliding groove (20) is opened at the end of the handle plate (17). The sliding locking block (21) is installed in the sliding groove (20) in a plug-in manner. A guiding plate (22) is installed on the back of the sliding locking block (21). The guiding plate (22) is slidably installed on the handle plate (17). A return spring (23) is provided on the back of the sliding locking block (21). The return spring (23) is sleeved on the guiding plate (22). Two groups of lever bars (24) are provided and symmetrically installed on the side walls of the sliding locking block (21). The fastening bolt assembly includes a threaded cylinder (11), a fastening bolt (12) and a handle rod (13). The threaded cylinder (11) is installed on the bottom surface of the foot plate block (5). A threaded hole is opened in the threaded cylinder (11). The threaded hole communicates with the foot plate block (5). The fastening bolt (12) is threadedly installed in the threaded cylinder (11) through the threaded hole. A handle rod (13) is installed at the lower end of the fastening bolt (12). The handle rod (13) is in a cross-shaped array. The elastic cylindrical pin assembly includes a U-shaped block (101), a cylindrical pin (102), a anti-loosening spring (103) and a limiting ring (104). Two groups of U-shaped blocks (101) are provided and symmetrically installed on the side walls at the ends of the cross plate frame (1). The cylindrical pin (102) is installed in the U-shaped block (101) in a plug-in manner. The end of the cylindrical pin (102) passes through the side wall of the cross plate frame (1) and is inserted into the second positioning hole (202) to fix the support leg (3). The anti-loosening spring (103) is sleeved on the cylindrical pin (102). A limiting ring (104) is provided at the end of the anti-loosening spring (103). The limiting ring (104) is installed on the cylindrical pin (102). A clamping rod (105) is installed at the end of the cylindrical pin (102). The clamping rod (105) is in a "C"-shaped block structure. A limiting clamping strip (106) is installed below the side wall at the end of the U-shaped block (101). The limiting clamping strip (106) is in an "L"-shaped block structure. The limiting clamping strip (106) matches the clamping rod (105).

2. A degradable drug eluting sinus stent implant device according to claim 1, characterized in that: A storage rack (7) is installed in the middle of the cross plate frame (1). A push plate (9) is installed in the storage rack (7) in a plug-in manner. Conveyor grooves (8) are symmetrically opened on the upper surface of the storage rack (7). Guide rods (10) are symmetrically installed on the side walls of the push plate (9). The guide rods (10) match the push plate (9).

3. The device for implanting a degradable drug-eluting sinus stent according to claim 1, characterized in that: The rotating seat (2) is in an "L"-shaped block structure. Cylindrical shafts (203) are symmetrically installed at the corners of the rotating seat (2). The cross plate frame (1) is rotatably installed on the rotating seat (2) through the cylindrical shafts (203).

4. The device for implanting a degradable drug-eluting sinus stent according to claim 1, characterized in that: The side wall of the rotating seat (2) is symmetrically provided with a first positioning hole (201) and a second positioning hole (202); the cross-sectional centers of the second positioning hole (202) and the first positioning hole (201) are colinear with the central axis of the cylindrical shaft (203); and the distances from the second positioning hole (202) and the first positioning hole (201) to the cylindrical shaft (203) are the same.

5. The device for implanting a degradable drug-eluting sinus stent according to claim 1, characterized in that: The lifting plate (4) is in a rectangular plate-like structure. A guide groove (14) is installed on the side wall of the lifting plate (4). Two groups of guide grooves (14) are provided. The guide grooves (14) are in a rectangular block-like structure. The guide grooves (14) are slidably installed in guide blocks (15). The guide blocks (15) are symmetrically arranged on the side walls of the supporting legs (3).

Images