CN218960827U

CN218960827U - Novel simple dura mater stitching instrument

Info

Publication number: CN218960827U
Application number: CN202222973853.6U
Authority: CN
Inventors: 张继; 朱正权; 朱鹏; 陈卓鹏
Original assignee: Sun Yat Sen University Cancer Center
Current assignee: Sun Yat Sen University Cancer Center
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-05
Anticipated expiration: 2032-11-09

Abstract

The utility model relates to the technical field of medical instruments, and discloses a novel simple dura mater stitching instrument, which solves the problems that the traditional dura mater stitching generally comprises manual dura mater patch stitching and watertight stitching, but the stitching technologies have high cost and long stitching time, and further the stitching efficiency of dura mater is low; according to the design, the hard film can be sewn by applying force to the handle, so that the convenience of sewing the hard film is improved, and meanwhile, the sewing efficiency of the hard film is improved.

Description

Novel simple dura mater stitching instrument

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a novel simple dura mater stitching instrument.

Background

Subcutaneous effusion, cerebrospinal fluid leakage and intracranial infection are one of the common complications after neurosurgery craniotomy, so that the appearance of the patient is influenced, the life is even endangered in daily life, and the repair of the integrity of the intraoperative dura mater is the most important means for preventing the occurrence of the subcutaneous effusion, the cerebrospinal fluid leakage and the intracranial infection after the operation, so that the intraoperative dura suture plays a key role.

Conventional dura mater suturing generally comprises artificial dura mater patch suturing and watertight suturing, but these suturing techniques are costly and have long suturing times, which can lead to inefficient dura mater suturing.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a novel simple dura mater stitching device, which effectively solves the problems that the traditional dura mater stitching in the background art generally comprises artificial dura mater patch stitching and watertight stitching, but the stitching techniques have high cost and long stitching time, and further the stitching efficiency of the dura mater is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel simple dura mater stitching instrument comprises two handles, wherein the two handles are rotationally connected, the two handles are connected through a reed I between the bottoms of one side, which is close to each other, one ends of the two handles are respectively provided with a handle mouth, an upper plate nail cabin and a lower plate nail cabin are respectively arranged between the two handle mouths, one sides, which are far away from each other, of the upper plate nail cabin and the lower plate nail cabin are respectively provided with a nail pressing device connected with the handle mouth, the upper plate nail cabin and the lower plate nail cabin are respectively composed of a nail cabin box and a nail cabin cover, the nail cabin box is detachably connected with the nail cabin cover, the nail cabin box is provided with a nail pressing cabin opening on one side, the nail pressing device slides in the nail pressing cabin opening, a hard film is arranged between the upper plate nail cabin and the lower plate nail cabin, the press nailing device comprises a lower nailing plate, a cylindrical rod, an upper nailing plate, a hole groove, a concave groove, a pressing block and a spring, wherein the upper nailing plate is arranged in the upper nailing chamber, the lower nailing plate is arranged in the lower nailing chamber, the cylindrical rod is symmetrically arranged on the lower nailing plate, the top ends of the two cylindrical rods incline downwards upwards inwards, the hole groove is symmetrically arranged on the upper nailing plate, the hole groove is matched with the cylindrical rod, the two hole grooves incline downwards upwards inwards, the top end of the lower nailing plate is provided with the concave groove communicated with the hole groove, the springs on one side of the lower nailing plate and the upper nailing plate are arranged on the inner wall of the nailing chamber box, the pressing block is movably arranged in the two press nailing chamber openings, the pressing block is arranged on one side of the lower nailing plate and the upper nailing plate, the two pressing blocks are connected with a reset piece, and the pressing block is connected with a handle nozzle.

Preferably, a hook point is arranged on one side of the nail bin box, and a hook sleeved outside the hook point is arranged on the nail bin cover.

Preferably, the reset piece comprises a second reed and a wedge angle, the top end of the nail pressing device is connected with the second reed, one end of the second reed is provided with the wedge angle, and the wedge angle is arranged on the side wall of the nail bin box.

Preferably, the cylindrical rod is cylindrical, and the top end of the cylindrical rod is in a spike shape.

Preferably, the depth of the concave groove is equal to the diameter of the cylindrical rod.

Preferably, the cylindrical rod and the hole groove are inclined downward and upward by 5 degrees.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, through being provided with handle, reed one, handle mouth, upper plate nail cabin, lower plate nail cabin, press nail device, reset piece and press nail device, through the application of force to the handle, then can realize the sewing up to the dura mater, improved the sewing up simplicity to the dura mater, improved simultaneously to the sewing up efficiency of dura mater.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a novel simple dura mater stapler according to the present utility model;

FIG. 2 is a schematic view of the outer side of the upper plate nail chamber of the present utility model;

FIG. 3 is a schematic view of the outer side structures of the upper and lower plate nail chambers of the present utility model;

FIG. 4 is a schematic side view of the upper plate nail chamber of the present utility model;

FIG. 5 is a schematic cross-sectional view of the upper and lower plate nail chambers of the present utility model;

FIG. 6 is a schematic view of the structure of the lower and upper nailer plates of the present utility model in cross-section through the nailer longitudinal section;

in the figure: 1. a handle; 2. a first reed; 3. a handle mouth; 4. a plate nail cabin is arranged; 5. a lower plate nail cabin; 6. a nail pressing device; 7. a second reed; 8. pressing a nail bin opening; 9. wedge angle; 10. a hook point; 11. a hook; 12. a lower nail plate; 13. a cylindrical rod; 14. a nailing plate is arranged; 15. and (3) a hard film.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model is shown in figures 1 to 6, which comprises two handles 1, wherein the two handles 1 are rotationally connected, the bottoms of one sides of the two handles 1, which are close to each other, are connected through a reed 2, one ends of the two handles 1 are respectively provided with a handle mouth 3, an upper plate nail cabin 4 and a lower plate nail cabin 5 are respectively arranged between the two handle mouths 3, the sides, which are far away from each other, of the upper plate nail cabin 4 and the lower plate nail cabin 5 are respectively provided with a nail pressing device 6 connected with the handle mouth 3, the upper plate nail cabin 4 and the lower plate nail cabin 5 are respectively composed of a nail cabin box and a nail cabin cover, the nail cabin box is detachably connected with the nail cabin cover, the sides, which are close to each other, of the nail cabin boxes are respectively provided with a nail cabin pressing mouth 8, the nail pressing devices 6 slide in the nail cabin mouth 8, a hard film 15 is arranged between the upper plate nail cabin 4 and the lower plate nail cabin 5, the press nailing device 6 comprises a lower nailing plate 12, cylindrical rods 13, an upper nailing plate 14, hole grooves, concave grooves, pressing blocks and springs, wherein the upper nailing plate 14 is arranged in the upper nailing chamber 4, the lower nailing plate 12 is arranged in the lower nailing chamber 5, the cylindrical rods 13 are symmetrically arranged on the lower nailing plate 12, the top ends of the two cylindrical rods 13 incline downwards upwards inwards, the hole grooves are symmetrically formed in the upper nailing plate 14, the hole grooves are matched with the cylindrical rods 13, the two hole grooves incline downwards upwards inwards, the top ends of the lower nailing plate 12 are provided with concave grooves communicated with the hole grooves, springs positioned on one side of the lower nailing plate 12 and the upper nailing plate 14 are arranged on the inner wall of the nailing chamber box, pressing blocks are movably arranged in the two press nailing chamber openings 8 and are positioned on one side of the lower nailing plate 12 and the upper nailing plate 14, the two pressing blocks are connected with a reset piece, and the pressing blocks are connected with the handle nozzle 3.

One side of the nail bin box is provided with a hook point 10, a hook 11 sleeved outside the hook point 10 is arranged on the nail bin cover, the lower nail plate 12 and the upper nail plate 14 are conveniently placed in the two nail bin boxes respectively through the design of the hook point 10 and the hook 11, convenience is effectively provided for stitching of the hard film 15 in the later period, after the lower nail plate 12 and the upper nail plate 14 are installed, the hook 11 on the nail bin cover is connected with the hook point 10 on the side wall of the nail bin box, and convenience is provided for installing the lower nail plate 12 and the upper nail plate 14.

The reset piece includes reed two 7 and wedge angle 9, the top of press nailing device 6 is connected with reed two 7, the one end of reed two 7 is equipped with wedge angle 9, wedge angle 9 installs in the lateral wall of nail cartridge, when the staff extrudees two handles 1, can make handle 1 drive handle mouth 3 be close to each other, handle mouth 3 can promote the briquetting and remove to press the inside of nail cartridge mouth 8, and then reed two 7 of briquetting one side warp, and then when loosening the application force to handle 1, because the elasticity effect of reed two 7, can make the briquetting be shot back by reed two 7 and place in situ, the convenience is sewed up the operation next time to dura mater 15.

The cylindrical rod 13 is cylindrical, the top end of the cylindrical rod 13 is in a spike shape, the depth of the concave groove is equal to the diameter of the cylindrical rod 13, and the cylindrical rod 13 and the hole groove incline upwards to 5 degrees from bottom to top;

when the external force makes two briquetting atress be close to each other, lower nail board 12 drives cylinder pole 13 to be close to dura mater 15, another briquetting promotes down nail board 12 and go up nail board 14 and advance in the hole groove of upper nail board 14 that the spike form of cylinder pole 13 one end can puncture dura mater 15 and extend, and then can make the top and the briquetting bottom contact of cylinder pole 13, follow last nail board 14 and follow next approach of nail board 12 down, the briquetting can extrude cylinder pole 13, because cylinder pole 13 and hole groove are to upwards slope 5 down, and trend concave groove, and then under the extrusion of briquetting, can make cylinder pole 13 crooked to concave groove, and then cylinder pole 13 can bend in the concave groove at last nail board 14 middle part, and then realize the sewing up of cylinder pole 13 to dura mater 15, through the effect of spring, can make down nail board 12 and last nail board 14 and then go up nail board 14 and down nail board 12 can remove to the nail storehouse mouth 8, and then carry out the sewing up of next time to dura 15.

Working principle: the hand-held stitching instrument handle 1 and the second reed 7 are made of steel materials, when in use, the hard film 15 which needs to be stitched is placed in the front section of the upper plate nail cabin 4 and the lower plate nail cabin 5 which is close to the side of the upper plate nail cabin 4 and the lower plate nail cabin 5 by about 3-5mm according to the requirement, the hard film 15 is clamped at the head ends of the upper plate nail cabin 4 and the lower plate nail cabin 5 by the two handles 1, further continuously pressurizing is carried out, the upper nail plate 12 and the lower nail plate 14 are pressed down by the pressing block, anchor points between the lower nail plate 12 and the upper nail plate 14 which are connected adjacently are broken, the spike-shaped cylindrical rod 13 on the lower nail plate 12 is further squeezed to puncture the hard film 15 and enter the hole groove of the upper nail plate 14, the spike-shaped cylindrical rod 13 is continuously squeezed and bent into the concave groove of the upper plate by the pressing block above the upper nail plate 14, so as to form a stable locking structure, the pressure of the handle 1 is released, the pressing blocks on two sides recover to the original state under the rebound effect of the second reed 7, and further repeated actions can be continued to finish the next stitching.

Claims

1. The utility model provides a novel simple and easy dura mater stitching instrument, includes two handles (1), its characterized in that: the two handles (1) are rotationally connected, the two handles (1) are connected through a reed one (2) between the bottoms of the two handles (1) which are close to each other, one ends of the two handles (1) are respectively provided with a handle mouth (3), an upper plate nail cabin (4) and a lower plate nail cabin (5) are respectively arranged between the two handle mouths (3), one sides of the upper plate nail cabin (4) and the lower plate nail cabin (5) which are far away from each other are respectively provided with a press nail device (6) connected with the handle mouth (3), the upper plate nail cabin (4) and the lower plate nail cabin (5) are respectively composed of a nail cabin box and a nail cabin cover, the nail cabin box and the nail cabin cover are detachably connected, one sides of the nail cabin boxes which are close to each other are respectively provided with a press nail cabin opening (8), the press nail cabin device (6) slides in the press nail cabin opening (8), a hard film (15) is arranged between the upper plate nail cabin (4) and the lower plate nail cabin (5), the upper plate nail cabin (6) comprises a lower nail plate (12), a cylindrical rod (13), an upper nail cabin (14), a hole, a concave groove, a pressing nail cabin (13) and a spring cabin (14) are arranged on the upper plate nail cabin (4) and the upper plate nail cabin (13) and the cylindrical rod (13) are symmetrically arranged on the upper plate cabin (14) and the upper rod (13) and the lower plate cabin (13) and the cylindrical rod (13) are symmetrically arranged, and two hole grooves incline to the upper side and the lower side upwards, the top of the lower nail plate (12) is provided with a concave groove communicated with the hole groove, the inner wall of the nail bin box is provided with springs positioned on one side of the lower nail plate (12) and the upper nail plate (14), the inside movable mounting of the two nail pressing bin openings (8) is provided with pressing blocks, the pressing blocks are positioned on one side, away from the other side, of the lower nail plate (12) and the upper nail plate (14), and the two pressing blocks are connected with a reset piece and are connected with the handle mouth (3).

2. The novel simple dura mater stapler according to claim 1, wherein: one side of the nail bin box is provided with a hook point (10), and the nail bin cover is provided with a hook (11) sleeved outside the hook point (10).

3. The novel simple dura mater stapler according to claim 1, wherein: the resetting piece comprises a second reed (7) and a wedge angle (9), the top end of the nail pressing device (6) is connected with the second reed (7), one end of the second reed (7) is provided with the wedge angle (9), and the wedge angle (9) is arranged on the side wall of the nail bin box.

4. The novel simple dura mater stapler according to claim 1, wherein: the cylindrical rod (13) is cylindrical, and the top end of the cylindrical rod (13) is in a spike shape.

5. The novel simple dura mater stapler according to claim 1, wherein: the depth of the concave groove is equal to the diameter of the cylindrical rod (13).

6. The novel simple dura mater stapler according to claim 1, wherein: the cylindrical rod (13) and the hole groove are inclined to the lower side and the upper side by 5 degrees.