CN216985001U - Skull scalp tensioning device - Google Patents

Abstract

The utility model provides a skull scalp straining device, includes first clamping piece, the second clamping piece and connects the spliced pole between first clamping piece and second clamping piece, first clamping piece and spliced pole fixed connection or detachable are connected, the activity of second clamping piece is located on the spliced pole and can be followed the spliced pole and move towards first clamping piece direction, in use, first clamping piece can be fixed on the skull, the second clamping piece can be located on the scalp or locate outside the scalp, through making the second clamping piece move towards first clamping piece direction and can press from both sides skull and scalp tightly between first clamping piece and second clamping piece. The skull scalp tensioning device can tension the skull and the scalp together after the craniotomy, so that a gap between the skull and the scalp is closed, cerebrospinal fluid can be prevented from flowing into the position under the scalp, cerebrospinal fluid leakage is prevented, and postoperative recovery of the craniotomy is improved. The skull scalp tensioning device has the advantages of simple structure, convenience in use, practical function and strong practicability, and is suitable for being widely popularized.

Description

Skull scalp tensioning device

[ technical field ] A

The utility model relates to medical equipment, in particular to a skull scalp tensioning device capable of preventing cerebrospinal fluid from leaking outside after a craniotomy.

[ background of the utility model ]

When a patient is subjected to craniotomy, the scalp is opened to expose the skull, then the skull is cut to expose the meninges, and then the meninges are cut to perform the operation on the corresponding focal region. After the operation is finished, suturing is sequentially carried out: the meninges are sutured first, then the cranium is sutured, and then the scalp is sutured. In the operation process, after the meninges are opened or the meninges are not sutured well, cerebrospinal fluid in the brain leaks outwards and flows into the scalp, so that the scalp swelling phenomenon is caused, the cerebrospinal fluid is accumulated under the scalp for too long time, infection is easily caused, the brain infection is very dangerous, and serious patients are fatal. Therefore, after craniotomy, if cerebrospinal fluid leaks, treatment measures need to be taken in time. The existing treatment methods generally drain cerebrospinal fluid. This method can only be used for post-treatment, but not for pre-prevention. If the cerebrospinal fluid can be prevented from flowing into the scalp subcutaneously in advance, the postoperative complications can be further reduced, and the patient can be recovered quickly.

[ Utility model ] content

The present invention has been made to solve the above problems, and an object of the present invention is to provide a skull/scalp tension device that can prevent cerebrospinal fluid from flowing under the scalp.

In order to solve the problems, the utility model provides a skull scalp tensioning device which is characterized by comprising a first clamping piece, a second clamping piece and a connecting column connected between the first clamping piece and the second clamping piece, wherein the first clamping piece is fixedly connected or detachably connected with the connecting column, the second clamping piece is movably arranged on the connecting column and can move towards the direction of the first clamping piece along the connecting column, when in use, the first clamping piece can be fixed on the skull, the second clamping piece can be arranged on the scalp or arranged outside the scalp, and the skull and the scalp can be clamped between the first clamping piece and the second clamping piece by moving the second clamping piece towards the direction of the first clamping piece.

Further, the spliced pole with first clamping piece fixed connection be equipped with a plurality of fixed tooth portion on the length direction of edge of spliced pole, the second clamping piece is equipped with the perforation, and it can overlap and locate on the spliced pole be equipped with movable tooth portion on the fenestrate lateral wall, work as along the spliced pole and court first clamping piece direction promotes during the second clamping piece, movable tooth portion can block into in the fixed tooth portion and stop in the position department that stops promoting.

Furthermore, one end of the movable tooth part is integrally formed with the inner wall of the through hole, and the other end of the movable tooth part extends outwards in an inclined mode to form a cantilever end.

Further, the spliced pole with first clamping piece fixed connection be equipped with self-locking thread on the spliced pole, but second clamping piece threaded connection in on the spliced pole one side of deviating from first clamping piece of second clamping piece is equipped with the constant head tank on the surface.

Furthermore, a nail rod part is arranged on one side, away from the connecting column, of the first clamping piece, the end part of the nail rod part is pointed, and threads are arranged on the outer wall of the nail rod part.

Furthermore, a guide inclined plane which is beneficial to the first clamping piece to be squeezed into the scalp is arranged on one side, facing the first clamping piece, of the second clamping piece.

Further, the first clamping piece, the second clamping piece and the connecting column are made of titanium alloy materials.

Further, the first clamping piece, the second clamping piece and the connecting column are made of degradable materials.

The present invention advantageously contributes to effectively solving the above-mentioned problems. The skull scalp tensioning device can tension the skull and the scalp together after the craniotomy, so that a gap between the skull and the scalp is closed, cerebrospinal fluid can be prevented from flowing into the position under the scalp, leakage of the cerebrospinal fluid is prevented, and postoperative recovery of the craniotomy is improved. The skull scalp tensioning device has the advantages of simple structure, convenience in use, practical function and strong practicability, and is suitable for being widely popularized.

[ description of the drawings ]

FIG. 1 is a schematic structural view of example 1.

FIG. 2 is a schematic structural view of embodiment 1.

FIG. 3 is a schematic structural view of embodiment 1.

FIG. 4 is a schematic structural view of embodiment 2.

Fig. 5 is a usage schematic.

The attached drawings are as follows: the nail comprises a first clamping piece 10, a nail rod part 11, a second clamping piece 20, a through hole 21, a movable tooth part 22, a guide inclined surface 23, a positioning groove 24, a connecting column 30, a fixed tooth part 31, a self-locking thread 32, a skull 40 and a scalp 50.

[ detailed description ] embodiments

The following examples are further illustrative and supplementary to the present invention and do not limit the present invention in any way.

Example 1

As shown in FIGS. 1 and 2, the skull scalp tightening device of the present invention comprises a first jaw 10, a second jaw 20 and an attachment post 30. Wherein, the first clamping piece 10 is used for being fixed on the skull 40, the second clamping piece 20 is used for being arranged on the scalp 50, the connecting column 30 is used for connecting the first clamping piece 10 and the second clamping piece 20, and the second clamping piece 20 is movably arranged on the connecting column 30, so that the second clamping piece 20 can move towards the first clamping piece 10; when the first clamping piece 10 and the second clamping piece 20 are tightened by operation, the skull 40 and the scalp 50 are tightened (as shown in fig. 5), so that the gap between the skull 40 and the scalp 50 is closed, cerebrospinal fluid can be prevented from flowing into the position below the scalp 50, cerebrospinal fluid leakage is prevented, and postoperative recovery of the craniotomy is improved.

As shown in fig. 1, 2 and 3, the first clip piece 10 and the second clip piece 20 are sheet-shaped, and the shape and size thereof can be set according to needs. The size of the first clip 10 may be the same as or different from that of the second clip 20, and may be set according to the requirement. In the present embodiment, the first clip 10 and the second clip 20 are identical in shape and size, and they may be arranged in a circular shape. The first and second jaws 10 and 20 have a hardness and strength so as to withstand a tensile force. In some embodiments, the first and second jaws 10, 20 may be made of a titanium alloy material, which has good biocompatibility and does not affect the patient's future life even if the skull scalp tension device is left in the head. In some embodiments, the first and second jaws 10, 20 may be made of a degradable medical material, which degrades slowly over time after it is left in the head to perform its intended function.

The connecting column 30 is fixedly connected or detachably connected with the first clip 10. In this embodiment, the connecting column 30 is fixedly connected to the first clip 10, and is preferably integrally formed. In other embodiments, the attachment post 30 and the first clip 10 are not limited to a fixed connection, but can be configured to be detachable, so that the first clip 10 can be fixed on the skull bone 40 first, and then the attachment post 30 and the first clip 10 can be connected together. For example, a pull ring may be disposed at the center of the first clip 10, and a pull hook may be disposed on the connecting column 30, so that the connecting column 30 can hook the pull ring of the first clip 10 through the pull hook, thereby connecting the connecting column 30 and the first clip 10 together.

In this embodiment, as shown in fig. 1, the connecting column 30 is in the shape of a flat belt, and a plurality of fixing teeth 31 are provided along the length direction. The second clip 20 is provided with a through hole 21, and the second clip 20 can be sleeved on the connecting post 30 through the through hole 21. The shape of the through hole 21 can be set according to the cross-sectional shape of the connecting column 30, and in this embodiment, the through hole 21 is a square hole. To facilitate the connection with the connection post 30, a movable tooth 22 is provided on the inner wall of the through hole 21. The movable teeth 22 can be snapped into the fixed teeth 31, so that the connecting pole 30 and the second jaw 20 are fixed relative to each other. The number of the movable teeth 22 is not limited, and it can be set according to the requirement, one end of the movable teeth is formed integrally with the inner wall of the through hole 21, and the other end of the movable teeth extends outwards in an inclined manner to form a cantilever end, so that the end of the movable teeth 22 has a certain elasticity, and can slightly move towards the inner wall of the through hole 21. When the second clip 20 is sleeved on the connecting post 30 and the second clip 20 is pushed along the first clip 10, the fixed tooth portion 31 can push the end of the movable tooth portion 22, so that the movable tooth portion 22 cannot be clamped in the fixed tooth portion 31; when the pushing is stopped and the external force is lost, the end of the movable tooth 22 can be automatically clamped into the fixed tooth 31, so as to clamp the connecting column 30, and the second clamping piece 20 is stopped at the position where the pushing is stopped. When the second clip 20 is pushed in the opposite direction, i.e., when the second clip 20 is pushed away from the first clip 10, the end of the movable tooth 22 is caught in the fixed tooth 31 and cannot be pushed out, so that it prevents the second clip 20 from moving in the opposite direction, and thus the second clip 20 cannot move in the opposite direction and has a non-return effect. The setting and the use of activity tooth portion 22 and fixed tooth portion 31 can refer to the using-way of ribbon, when follow the spliced pole 30 and towards first clamping piece 10 direction promotes during the second clamping piece 20, activity tooth portion 22 can block into in the fixed tooth portion 31 and end and stop in the position department that stops promoting, and promote in the opposite direction during the second clamping piece 20, the second clamping piece 20 can't remove along spliced pole 30. Thus, operation can only be performed in the tightening direction.

Further, as shown in fig. 1, in order to conveniently fix the first clamping piece 10 on the skull bone 40, a nail rod part 11 can be arranged on one side of the first clamping piece 10, which is away from the connecting column 30, the end part of the nail rod part 11 is pointed, and the outer wall of the nail rod part is provided with threads, which can conveniently drill into the skull bone 40, so that the first clamping piece 10 can be fixed on the skull bone 40. To facilitate drilling of the first jaw 10 into the skull bone 40, a cross-recess may be provided on the side of the first jaw 10 facing away from the nail shank portion 11 to facilitate the use of a tool to screw the first jaw 10 into the skull bone 40. The positions of the cross grooves are staggered from the connection position of the connection column 30, so that the cross grooves do not interfere with each other.

The skull scalp tension device of the present invention is thus formed. When the skull fixing device is used, the first clamping piece 10 is fixed on the skull 40, the connecting column 30 penetrates through the scalp 50, the connecting column 30 is exposed outside the scalp 50, the second clamping piece 20 is sleeved on the connecting column 30 from the scalp 50, and then the second clamping piece 20 is pushed to move towards the first clamping piece 10 according to needs, so that the first clamping piece 10 and the second clamping piece 20 are tensioned (as shown in fig. 2), the skull 40 is tensioned with the scalp 50, the scalp 50 is attached to the skull 40 (as shown in fig. 3), and cerebrospinal fluid is prevented from flowing below the scalp 50. After tensioning, the connecting column 30 is cut off from the excess. When the skull scalp tightening device is used, the scalp 50 and the skull 40 can be clamped together at the craniotomy after the craniotomy and before the craniotomy is performed, and the leakage of cerebrospinal fluid to the position below the scalp 50 in the operation process and after the craniotomy is performed is avoided.

Further, as shown in fig. 3, in order to facilitate the second clip 20 to better fit with the scalp 50, a guiding inclined plane 23 for facilitating the first clip 10 to be squeezed into the scalp 50 may be disposed on a side of the second clip 20 facing the first clip 10. The lead-in bevel 23 is formed in a tapered shape, which can be easily snapped into the scalp 50, so that the second clip 20 can be better caught on the scalp 50.

Example 2

As shown in fig. 4, the skull scalp tightening device of the present embodiment comprises a first jaw 10, a second jaw 20 and an attachment post 30.

The first clamping piece 10 is used for being fixed on the skull 40, the second clamping piece 20 is used for being arranged on the scalp 50, the connecting column 30 is used for connecting the first clamping piece 10 and the second clamping piece 20, and the second clamping piece 20 is movably arranged on the connecting column 30, so that the second clamping piece 20 can move towards the first clamping piece 10; when the first clamping piece 10 and the second clamping piece 20 are tightened by operation, the skull 40 and the scalp 50 are tightened, so that a gap between the skull 40 and the scalp 50 is closed, cerebrospinal fluid can be prevented from flowing into the lower part of the scalp 50, cerebrospinal fluid leakage is prevented, and postoperative recovery of craniotomy is improved.

The first clip piece 10 and the second clip piece 20 are sheet-shaped, and the shape and size thereof can be set according to the requirement. In this embodiment, it may be provided in a circular shape. The first and second jaws 10 and 20 have a hardness and strength so as to withstand a tensile force.

In this embodiment, as shown in fig. 4, the connecting column 30 is in a screw shape, and is fixedly connected to the first clamping piece 10 and perpendicular to the first clamping piece 10. The outer wall of the connecting column 30 is provided with a self-locking thread 32 for being in threaded connection with the second clamping piece 20. The second jaw 20 is threadably connected to the connecting post 30 and when the second jaw 20 is rotated by a tool, it can advance along the connecting post 30 to approach the first jaw 10 or to move away from the first jaw 10. In order to facilitate the rotation of the second clamping piece 20 driven by a tool, a positioning groove 24 is formed on the surface of the second clamping piece 20 facing away from the first clamping piece 10. The positioning groove 24 is not limited in shape and may be conveniently positioned, for example, it may be a plurality of circular grooves spaced apart from each other on the surface of the second jaw 20.

Further, as shown in fig. 4, in order to conveniently fix the first clamping piece 10 on the skull bone 40, a nail rod part 11 can be arranged on one side of the first clamping piece 10, which is far away from the connecting column 30, the end part of the nail rod part 11 is pointed, and the outer wall of the nail rod part is provided with threads, which can conveniently drill into the skull bone 40, so that the first clamping piece 10 can be fixed on the skull bone 40.

The skull scalp tension device of the present invention is thus formed. In use, the connecting post 30 is held by a mating tool and the first jaw 10 is driven by high speed rotation to drill through the scalp 50 for nailing to the skull 40. The first clamping piece 10 is provided with the nail shaft part 11, so that the nailing into the skull bone 40 is facilitated. When the first jaw 10 is fixedly connected with the skull bone 40, the second jaw 20 is spaced apart from the first jaw 10, and then the second jaw 20 is driven to rotate by a matching tool, so that the second jaw 20 advances along the connecting column 30 towards the first jaw 10, thereby clamping the scalp 50 and the skull bone 40 together, fitting the scalp 50 and the skull bone 40 and avoiding cerebrospinal fluid from flowing under the scalp 50. After the second clip 20 is screwed, the connecting post 30 is cut off.

When the skull scalp tensioning device is used, the scalp 50 and the skull 40 can be clamped together at the craniotomy position after craniotomy operation and before suturing, and the leakage of cerebrospinal fluid to the position below the scalp 50 in the operation process and after suturing is avoided.

In this embodiment, it is preferable that the second jaw 20 has a larger cross-sectional size than the first jaw 10 so that the second jaw 20 covers the penetration site to achieve clamping when the first jaw 10 penetrates the scalp 50 and is driven into the skull bone 40. The first jaw 10 is sized to facilitate stapling to the skull 40.

Further, in order to facilitate the second clip 20 to better fit with the scalp 50, a guiding-in inclined plane 23 for facilitating the first clip 10 to be squeezed into the scalp 50 may be disposed on a side of the second clip 20 facing the first clip 10. The lead-in bevel 23 is formed in a tapered shape, which can be easily snapped into the scalp 50, so that the second clip 20 can be better caught on the scalp 50.

For the skull scalp tensioning device of the embodiment, the rapid operation can be carried out by using a matched tool, the operation is simpler, and the use is more convenient.

While the utility model has been described with reference to the above embodiments, the scope of the utility model is not limited thereto, and the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the spirit of the utility model.

Claims (8)

1. The skull scalp tensioning device is characterized by comprising a first clamping piece (10), a second clamping piece (20) and a connecting column (30) connected between the first clamping piece (10) and the second clamping piece (20), wherein the first clamping piece (10) is fixedly connected or detachably connected with the connecting column (30), the second clamping piece (20) is movably arranged on the connecting column (30) and can move towards the direction of the first clamping piece (10) along the connecting column (30), when the skull scalp tensioning device is used, the first clamping piece (10) can be fixed on the skull (40), the second clamping piece (20) can be arranged on a scalp (50) or outside the scalp (50), and the skull (40) and the scalp (50) can be clamped between the first clamping piece (10) and the second clamping piece (20) by enabling the second clamping piece (20) to move towards the direction of the first clamping piece (10).

2. The skull scalp tightening device according to claim 1, wherein the connecting column (30) is fixedly connected to the first jaw (10), a plurality of fixed teeth (31) are provided on the connecting column (30) along the length direction, the second jaw (20) is provided with a through hole (21) which can be sleeved on the connecting column (30), a movable tooth (22) is provided on the sidewall of the through hole (21), and when the second jaw (20) is pushed toward the first jaw (10) along the connecting column (30), the movable tooth (22) can be snapped into the fixed teeth (31) and stops at the position where pushing stops.

3. Skull scalp tightening device according to claim 2, characterized in that one end of the movable tooth (22) is integral with the inner wall of the perforation (21) and the other end thereof is inclined to extend outwards forming a cantilever end.

4. Skull scalp tightening device according to claim 1, characterized in that the connection column (30) is fixedly connected to the first jaw (10), that a self-locking thread (32) is provided on the connection column (30), that the second jaw (20) can be screwed onto the connection column (30), and that a positioning groove (24) is provided on the surface of the second jaw (20) on the side facing away from the first jaw (10).

5. Skull scalp tightening device according to claim 1, characterized in that a nail shank (11) is provided on the side of the first jaw (10) facing away from the connection column (30), the end of the nail shank (11) being pointed and provided with a thread on its outer wall.

6. Skull scalp tightening device according to claim 1, characterized in that on the side of the second jaw (20) facing the first jaw (10) there is provided a lead-in bevel (23) facilitating the squeezing of the first jaw (10) into the scalp (50).

7. The cranial scalp tightening apparatus of claim 1, wherein the first jaw (10), second jaw (20), attachment post (30) are made of a titanium alloy material.

8. The cranial scalp tightening device according to claim 1, wherein the first jaw (10), the second jaw (20), the attachment post (30) are made of a degradable material.

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