Embedded skull repair material structure, drainage device and standby ventricular puncture guide plate
By embedding an epidural drainage structure within the cranioplasty material, the problems of inconvenient drainage and space-occupying effect in existing technologies are solved, achieving safe and efficient drainage and improving the quality of postoperative recovery for patients.
Patent Information
- Application Number
- CN202422824707.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The drainage tubes in existing cranioplasty materials are not positioned in accordance with the pattern of hematoma formation, which makes drainage inconvenient and increases the workload of medical staff. Furthermore, the space-occupying effect of the drainage tubes affects the patient's recovery.
An embedded cranioplasty material structure is designed, with an epidural drainage structure located inside the cranioplasty material on one side. Through the design of conduit grooves and drainage grooves, multiple drainage grooves are set up. The drainage tube is inserted into the cranioplasty material to avoid occupying space and compression, conforms to the hematoma formation pattern, and improves drainage efficiency.
It improves the safety and efficiency of drainage, reduces the pressure of the drainage tube on the dura mater, increases the patient's postoperative recovery comfort, and the multi-drainage channel design improves the drainage effect of bloody fluids.
Smart Images
Figure CN223586084U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of skull repair structure, concretely is a embedded skull repair material structure and drainage device and spare ventricle puncture guide plate, especially to a embedded skull repair material structure and drainage device with epidural drainage structure and temporal compensation temporal muscle atrophy thickening and spare ventricle puncture guide plate. BACKGROUND
[0002] Skull repair material is used in skull defect repair, and after skull repair surgery is performed on a patient, postoperative hematoma is epidural hematoma, in order to be able to drain the epidural bloody liquid generated after the patient is operated, a plurality of drainage holes are formed in the skull repair material structure, and a medical drainage tube is usually placed under the skin outside the repair material, since postoperative hematoma is generally under the repair material but not outside the repair material, the catheter position does not comply with the hematoma formation rule, and epidural hematoma may still be formed, the drainage tube is inserted into one side of the inside of the skull repair material structure, so that the drainage tube is located between the skull repair material structure and the dura mater, and then the epidural bloody liquid in the patient's skull is drained out by a suction device, this kind of way has the problems that the drainage tube can only drain the epidural bloody liquid at one position after being inserted, the drainage tube cannot be rotated to change its position when the epidural bloody liquid at other positions needs to be drained, the medical staff's trouble is increased, the drainage tube has a space-occupying effect after being inserted, and the postoperative recovery of the patient is affected. SUMMARY
[0003] The utility model aims at providing a embedded skull repair material structure that can improve the convenience of use and reduce the space-occupying effect of the drainage tube to solve the problems in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme: a embedded skull repair material structure, including skull repair material and epidural drainage structure, the skull repair material is in the shape of a dome, the skull repair material is divided into an outer convex surface and an inner concave surface, the epidural drainage structure is located at the inside of the skull repair material, and the epidural drainage structure can drain the epidural bloody liquid, the drainage tube is inserted into the epidural drainage structure during the operation, and the epidural bloody liquid is drained out and discharged to the outside of the body, the epidural drainage structure can drain the dural bloody liquid between the skull repair material and the dura mater, reduce the space-occupying effect of the drainage tube during the drainage process, avoid the extrusion of the drainage tube on the dura mater, increase the safety of the drainage after the skull repair material is implanted, and the drainage part is transferred from the outside of the repair material to the epidural space, which is more in line with the hematoma formation rule, and a plurality of drainage grooves can be arranged to improve the drainage efficiency of the epidural bloody liquid.
[0005] Preferably, the epidural drainage structure comprises a catheter groove and a drainage groove provided on the skull repair material, the catheter groove is provided in the center of the skull repair material from the outside to the inside, the drainage groove is provided on one side of the inner concave surface of the skull repair material, and one end of the drainage groove is communicated with one end of the catheter groove; the epidural drainage structure can avoid the extension of the drainage tube into the epidural space to cause the self-occupation of the drainage tube, and also avoids the extrusion on the dura mater, thereby increasing the safety in use.
[0006] Preferably, the catheter groove is located at the highest point of the vault of the skull repair material, and extends from the outside to the inside of the skull repair material, so as to facilitate the insertion of the drainage tube and the uniform array of the drainage groove on one side of the inner concave surface of the skull repair material.
[0007] Preferably, a plurality of drainage grooves are arranged in a circumferential array, and one end of each of the drainage grooves is communicated with one end of the catheter groove, so that the array of the plurality of drainage grooves can improve the efficiency of drainage.
[0008] Preferably, the two side edges of the drainage groove are provided with arc chamfers, so as to avoid the extrusion of the edges of the drainage groove on the dura mater of the patient.
[0009] Preferably, the drainage groove is a concave drainage groove, so as to avoid the occupation of the drainage groove on one side of the inner concave surface of the skull repair material.
[0010] Preferably, the temporal part of the skull repair material is thickened to compensate for the atrophy of the temporal muscle; according to the thickness of the atrophy of the affected side compared with the healthy side shown by the CT film, the temporal part of the repair material is thickened on the outside, so that the bilateral temporal parts are symmetrical after the operation, and the cosmetic effect of the patient is improved.
[0011] The utility model also provides a kind of drainage device relative to a kind of embedded skull repair material structure is used in conjunction with, comprising: double-lumen catheter, one end of the double-lumen catheter is matched with the catheter groove and is inserted and arranged in its inside and extends to the inside of the skull repair material, one end of the double-lumen catheter is clamped with sterile cap, the other end of the double-lumen catheter is equipped with anti-reflux drainage bag, the anti-reflux drainage bag has one end and is connected with the double-lumen catheter, the anti-reflux drainage bag is equipped with outlet at one end away from the anti-reflux port.
[0012] The utility model also provides a kind of standby ventricle puncture guide plate, and the utility model of a kind of embedded skull repair material structure is used in conjunction with, and koch point reserved bone hole on skull repair material is adapted with standby ventricle puncture guide plate;According to the ventricle position shown by head CT, the angle between standby ventricle puncture guide plate and base is designed, and the depth from koch point to lateral ventricle frontal horn is measured, to ensure that ventricle drainage tube can enter ventricle appropriate depth according to appropriate angle during operation.
[0013] Compared with the prior art, the utility model has the beneficial effects that:
[0014] The utility model discloses through to the embedding type skull repair material structure of the epidural drainage structure of current hard membrane is optimized, through the additional epidural drainage structure, can drain the hard membrane bloody liquid between the skull repair material and hard membrane, and reduce the occupation of the drainage tube in the process of drainage, avoid the extrusion of the drainage tube to the hard membrane, increase the safety of the drainage after skull repair material implantation, and this kind of setting will drain the part from the repair material outside and shift to the epidural, more comply with the law of hematoma formation, can set up the drainage groove of multiple and improve the drainage efficiency of the epidural bloody liquid. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the whole structure schematic diagram of the utility model;
[0016] Figure 2 It is the structure schematic diagram of skull repair material in the utility model;
[0017] Figure 3 It is the structure schematic diagram of the inner recess surface of skull repair material in the utility model;
[0018] Figure 4 It is the structure schematic diagram of the structure of the utility model in the standby ventricle puncture guide plate;
[0019] Figure 5 It is the structure schematic diagram of the Koch point in the utility model.
[0020] In the drawing: 1, skull repair material;2, drainage groove;3, catheter groove;1a, outer convex surface;1b, inner recess surface;4, double lumen catheter;5, sterile cap;6, anti-reflux drainage bag;7, anti-reflux port;8, outlet;9, standby ventricle puncture guide plate;10, Koch point. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0022] Embodiment 1
[0023] Please refer to Figure 1 And Figure 2, one embedded skull repair material structure in the drawing, including the skull repair material 1 of the thickening of the temple (according to the degree of temporal muscle atrophy, the temple skull convex thickening) and the epidural drainage structure, the skull repair material 1 is dome-shaped, the skull repair material 1 is divided into convex surface 1a and concave surface 1b, unlike the conventional drainage tube placed on the convex surface side of the skull repair material, the epidural drainage structure of the embodiment is located inside one side of the skull repair material 1 (that is, located on the side of the concave surface 1b), and the epidural bloody liquid is drained and discharged to the outside of the body.
[0024] Please refer to Figure 1 and Figure 2 , the epidural drainage structure in the drawing includes a catheter groove 3 and a drainage groove 2 opened on the skull repair material 1, the catheter groove 3 is centrally provided in the skull repair material 1 from outside to inside, and the drainage groove 2 is opened on the side of the concave surface 1b of the skull repair material 1, and one end of the drainage groove 2 communicates with one end of the catheter groove 3.
[0025] When the embedded skull repair material structure of the epidural drainage structure is designed and used: first, the skull repair material 1 is implanted into the injury site of the patient, then the drainage tube used in the operation is inserted into the catheter groove, and the drainage tube is led out through a small hole on one side of the patient's skull skin, and finally the wound of the patient is sutured; when the patient has epidural hematoma after skull repair surgery, the suction device is connected to one end of the drainage tube at this time to perform suction, and the epidural bloody liquid between the skull repair material and the dura mater will enter the drainage tube through the drainage groove of the concave surface, and then enter the suction device through the drainage tube, at this time, the epidural bloody liquid between the dura mater and the skull repair material can be drained and discharged, which plays a role in draining the epidural hematoma, increases the convenience of use, and does not need to extend one end of the drainage tube to the inside of the epidural side during use, which can avoid the occupation of the drainage tube between the skull repair material and the dura mater, avoid the extrusion of the drainage tube to the dura mater, and the drainage groove can be provided with multiple to improve the drainage efficiency; when used, physiological saline can also be dropped into the skull repair material and the dura mater through the drainage tube to prevent the formation of bloody liquid hematoma; if the hematoma has been formed, urokinase and other drugs for dissolving the hematoma can be injected to drain the coagulated hematoma, the drugs are dispersed into multiple drainage grooves through one end of the drainage tube, which accelerates the contact with the hematoma and improves the efficiency of the drugs dispersed and flowing after entering the epidural side; if infection occurs after the operation, antibiotics can be injected through the above structure to drain the inflammatory exudation and control the infection; usually after 48 hours of postoperative bleeding stops, the head CT is reviewed without hematoma residue, at this time the drainage tube is pulled out, and the scalp puncture point is sutured.
[0026] The device has simple structure and is convenient to operate and use. By additionally arranging the epidural drainage structure, the epidural bloody liquid between the skull repair material and the dura mater can be drained, and the space occupied by the drainage tube is reduced during the drainage process, so as to avoid extrusion of the dura mater by the drainage tube, increase the safety of the skull repair material after implantation, and transfer the drainage part from outside the repair material to outside the dura mater, which is more in line with the law of hematoma formation and can improve the drainage efficiency of the epidural bloody liquid. Embodiment 2
[0027] Referring to Figure 1 and Figure 2 , the embodiment further illustrates the skull repair material 1 and the epidural drainage structure in the drawing. The skull repair material 1 is in a dome shape, and the skull repair material 1 is divided into an outer convex surface 1a and an inner concave surface 1b. The epidural drainage structure is located on one side of the inside of the skull repair material 1, drains the epidural bloody liquid, and discharges it to the outside of the body.
[0028] Referring to Figure 1 , the catheter groove 3 in the drawing is located at the highest point of the dome of the skull repair material 1 and extends from the outside of the skull repair material 1 to the inside thereof.
[0029] Referring to Figure 2 , the plurality of drainage grooves 2 in the drawing are arranged in a circumferential array, and one end of each drainage groove 2 communicates with one end of the catheter groove 3.
[0030] In the embodiment, the catheter groove 3 is arranged at the highest point of the dome of the skull repair material 1, so that when the drainage groove is arranged on the inner concave surface of the skull repair material 1, the symmetrical drainage groove 2 can be located at the center of the catheter groove 3. The catheter groove 3 is arranged obliquely, which facilitates the insertion of the drainage tube. The plurality of drainage grooves 2 are arranged at equal distances on one end of the drainage groove 2 and on the inner concave surface of the skull repair material 1, which can accelerate the drainage of the epidural bloody liquid. The drainage groove 2 communicates with one end of the catheter groove 3, so that when the drainage tube is inserted into the catheter groove 3, one end of the drainage tube communicates with one end of each drainage groove 2.
[0031] Embodiment 3
[0032] Referring to Figure 1 and Figure 2 , the embodiment further illustrates the skull repair material 1 and the epidural drainage structure in the drawing. The skull repair material 1 is in a dome shape, and the skull repair material 1 is divided into an outer convex surface 1a and an inner concave surface 1b. The epidural drainage structure is located on one side of the inside of the skull repair material 1, drains the epidural bloody liquid, and discharges it to the outside of the body.
[0033] Referring to Figure 2 , the two side edges of the drainage groove 2 in the drawing are provided with arc-shaped chamfers.
[0034] Please refer to Figure 2 , the drainage groove 2 in the drawing is a concave drainage groove.
[0035] In this embodiment, arc-shaped chamfers are arranged at both side edges of the drainage groove 2, which can make the connection between the drainage groove 2 and the concave surface 1b of the skull repair material 1 smooth, avoid the edges of the drainage groove 2 from pressing the dura mater of the patient when the skull repair material 1 is used, and increase the safety of the skull repair material 1 in use. The drainage groove 2 is arranged in a concave shape, which can reduce the occupation of the concave surface 1b of the skull repair material 1 and reduce the pressing on the dura mater.
[0036] Example 4
[0037] Please refer to Figure 1 , the drainage device in the drawing includes a double-lumen catheter (one thick and one thin, the thin one is used for flushing and the thick one is used for drainage), one end of the double-lumen catheter is matched with the catheter groove and is inserted into the inside of the catheter groove to extend to the inside of the skull repair material, one end of the double-lumen catheter is clamped with a sterile cap, and the other end of the double-lumen catheter is provided with an anti-reflux drainage bag, the anti-reflux drainage bag has an anti-reflux port at one end, the anti-reflux port is in communication with the double-lumen catheter, and the end of the anti-reflux drainage bag away from the anti-reflux port is provided with an outlet. One of the drainage devices can be used in cooperation with one embedded skull repair material structure. The present embodiment is also provided with a spare ventricular puncture guide plate.
[0038] In this embodiment, when in use, one end of the double-lumen catheter 4 is inserted into the catheter groove 3 at the top of the skull repair material 1, which can realize the insertion connection between the double-lumen catheter 4 and the skull repair material 1. When the inside of the skull repair material 1 of the patient is flushed, the sterile cap 5 at one end of the double-lumen catheter 4 is opened, and then the flushing liquid is injected from the removed sterile cap 5 to flush each part. The flushing liquid will be drained through the other end of the double-lumen catheter 4 into the anti-reflux drainage bag 6 to collect the flushing liquid and the accumulated liquid, which is convenient for the operation and use of medical staff.
[0039] After the skull repair surgery, different degrees of temporal muscle atrophy usually occur. The temporal part of the design is thickened to compensate for the temporal muscle atrophy. The temporal muscle and the dura mater separation wound is relatively large, and dural hematoma often occurs. Therefore, a matched double-lumen drainage tube is designed, one lumen is used for drainage, and the other lumen can be used for urokinase or antibiotic flushing. In addition, according to the position of the ventricle shown by imaging, a bone hole is reserved at the Koch point 10 on the repair material, and a spare ventricular puncture guide plate 9 is matched, so that the ventricle-abdominal cavity drainage surgery or ventricular puncture surgery can be completed at the same time to relieve the brain swelling and facilitate the embedding of the skull repair material.
[0040] As Figure 4 shown, it is a structural schematic view of a spare ventricular puncture guide plate,Figure 4 The base below is the base that fits with the patching material, i.e. the base, and above is the standby ventricular puncture guide plate 9, and through the standby ventricular puncture guide plate, the ventricular drainage tube is guided to the Kocher point 10 as shown. Figure 5 The Kocher point 10 on the skull patching material 1 reserves a bone hole. Figure 4 The base in the figure is the camber surface that fits with the patching material, the depth of the standby ventricular puncture guide plate 9 through the Kocher point on the patching material does not exceed the thickness of the patching material, the ventricular drainage tube passes through the standby ventricular puncture guide plate 9 and enters the hole reserved by the Kocher point, and reaches the depth measured at the design time, and the front end of the guide tube is just located at the frontal horn of the lateral ventricle.
[0041] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0042] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. An embedded cranioplasty material structure, characterized by, The application relates to a skull repair material (1) which is dome-shaped and is divided into an outer convex surface (1a) and an inner concave surface (1b); an epidural drainage structure is arranged on the inner side of the skull repair material (1) and is used for draining and discharging epidural bloody liquid to the outside of the body. The epidural drainage structure comprises a catheter groove (3) and a drainage groove (2) which are arranged on the skull repair material (1); the catheter groove (3) is arranged in the center of the skull repair material (1) and is inclined from the upper outer side to the lower inner side; the drainage groove (2) is arranged on the inner concave surface (1b) of the skull repair material (1) and one end of the drainage groove (2) is communicated with one end of the catheter groove (3). The catheter groove (3) is arranged at the highest point of the dome of the skull repair material (1) and extends from the outer side to the inner side of the skull repair material (1).
2. An embedded cranioplasty material structure according to claim 1, wherein, The drainage groove (2) is arranged in a circumferential array and one end of each drainage groove (2) is communicated with one end of the catheter groove (3).
3. An embedded cranioplasty material structure according to claim 2, wherein, The two side edges of the drainage groove (2) are provided with arc-shaped chamfers.
4. The structure of an embedded skull repair material according to claim 2, wherein The drainage groove (2) is an inner concave drainage groove.
5. The structure of an embedded skull repair material according to claim 2, wherein The temporal part of the skull repair material (1) is thickened to compensate for temporal muscle atrophy; according to the thickness of the atrophy of the affected side compared with the healthy side shown in the CT picture, the temporal part of the skull repair material is thickened on the outer side, and the bilateral temporal parts are symmetrical after the operation.
6. The structure of an embedded skull repair material according to claim 2, wherein The application further relates to a double-lumen catheter (4) which is matched with the catheter groove (3) and is arranged in the catheter groove (3) and extends into the skull repair material (1); one end of the double-lumen catheter (4) is provided with a sterile cap (5); the other end of the double-lumen catheter (4) is provided with an anti-reflux drainage bag (6); the anti-reflux drainage bag (6) is communicated with the double-lumen catheter (4) through an anti-reflux port (7) arranged at one end of the anti-reflux drainage bag (6); and the anti-reflux drainage bag (6) is provided with an outlet (8) arranged at the other end away from the anti-reflux port (7).
7. The structure of an embedded skull repair material according to claim 1, wherein A Koch point (10) on the skull repair material (1) is provided with a bone hole and is matched with a standby ventricle puncture guide plate (9); according to the position of the ventricle shown in the skull CT, the angle between the standby ventricle puncture guide plate (9) and the base is designed, and the depth from the Koch point (10) to the frontal angle of the lateral ventricle is measured.
8. A drainage device for use with the embedded skull repair material structure of any one of claims 1-7, wherein, 9. A backup ventricular puncture guide plate, which is used in combination with the embedded skull repair material structure according to any one of claims 1-7, characterized in that,