CN117100367A - Cerebral hemorrhage puncture drainage device based on 3D printing and manufacturing method thereof - Google Patents
Cerebral hemorrhage puncture drainage device based on 3D printing and manufacturing method thereof Download PDFInfo
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- CN117100367A CN117100367A CN202311064914.XA CN202311064914A CN117100367A CN 117100367 A CN117100367 A CN 117100367A CN 202311064914 A CN202311064914 A CN 202311064914A CN 117100367 A CN117100367 A CN 117100367A
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- 206010008111 Cerebral haemorrhage Diseases 0.000 title claims abstract description 29
- 238000010146 3D printing Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 206010018852 Haematoma Diseases 0.000 claims description 23
- 210000003128 head Anatomy 0.000 claims description 19
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 7
- 210000004204 blood vessel Anatomy 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 210000003625 skull Anatomy 0.000 claims description 5
- 210000001061 forehead Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002490 cerebral effect Effects 0.000 claims description 3
- 210000005036 nerve Anatomy 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007917 intracranial administration Methods 0.000 description 4
- 230000003902 lesion Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 210000004279 orbit Anatomy 0.000 description 3
- 208000032843 Hemorrhage Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 210000005013 brain tissue Anatomy 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 210000005259 peripheral blood Anatomy 0.000 description 2
- 239000011886 peripheral blood Substances 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 244000089409 Erythrina poeppigiana Species 0.000 description 1
- 206010059491 Intracranial haematoma Diseases 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000003557 bones of lower extremity Anatomy 0.000 description 1
- 238000007428 craniotomy Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000004126 nerve fiber Anatomy 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 230000000926 neurological effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The invention discloses a cerebral hemorrhage puncture drainage device based on 3D printing and a manufacturing method thereof, comprising a positioning paste plate made of 3D printing, wherein two sides of the positioning paste plate are connected with limiting sleeves, the top of the positioning paste plate is provided with an arched positioning frame, the middle part of the positioning frame is provided with a positioning seat, a puncture needle tube penetrates through the positioning seat and extends into the positioning frame, and an angle adjusting mechanism connected with the puncture needle tube is further arranged in the positioning seat. According to the cerebral hemorrhage puncture drainage device based on 3D printing and the manufacturing method thereof, the 3D-slice software is combined with the cerebral hemorrhage puncture drainage device, so that the manufactured puncture drainage device is convenient to operate, the accuracy of puncture positioning and the success rate of puncture operation are improved, and the potential safety hazard caused to a patient by puncture positioning is reduced.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a cerebral hemorrhage puncture drainage device based on 3D printing and a manufacturing method thereof.
Background
Cerebral hemorrhage is a common nervous system emergency, serious patients endanger lives of patients, light patients leave neurological defects, and the cerebral hemorrhage has the characteristics of high morbidity, high mortality and high disability rate. The prognosis of cerebral hemorrhage is closely related to bleeding parts, bleeding amount and rescue time, cerebral hemorrhage parts often occur in intracranial important nucleus distribution areas, and the areas are distinct from peripheral limb bone tissues, craniofacial muscle tissues and digestive viscera tissues, so that not only are important nerve fiber bundles penetrated, but also dense net vascular masses with dominant functional areas are penetrated, the operation difficulty is extremely high, and the operation accuracy requirement is extremely high.
The traditional treatment method mostly adopts a conventional bone flap craniotomy mode, and the method has the defects of large trauma, high cost and serious sequelae. The minimally invasive hematoma puncture for cerebral hemorrhage has the characteristics of small wound, simple operation, quick response and small sequelae, and the method is rapidly popularized nationwide, so that a large number of cerebral hemorrhage patients can be timely treated, and the death rate and disability rate are reduced.
At present, the minimally invasive hematoma puncture of cerebral hemorrhage is generally performed by CT positioning, and the scalp puncture point, the puncture direction and the puncture depth are selected according to the maximum level of intracranial hematoma. The clinical manual puncture is performed by experience, the technical requirement on the operating doctor is high, even if the scalp puncture point is positioned accurately, the positioning path, the direction and the depth of the positioning tube can not be controlled accurately due to the irregularity of the appearance of the skull, especially when the positioning tube needs to form a certain angle with the skull; the puncture direction is easy to deviate, so that the operation effect is poor.
In recent years, in order to increase the accuracy of puncturing, 3D printing is increasingly widely used for treating cerebral hemorrhage puncturing technology. In particular, 3D-slice software is developing in the neurosurgery field at a remarkable speed, and with the rapid development of medical imaging, neurosurgeons can perform multi-mode image fusion on two-dimensional DICOM images of CT and MRI of a patient through the 3D-slice software, so as to obtain a multi-module three-dimensional model of craniocerebral lesions, and further perform registration fitting on a virtual three-dimensional digital model and a patient surface sign, so as to outline the lesions. The virtual reality technology and the augmented reality technology are simulated through sina mobile phone software, or minimally invasive puncture treatment on intracranial lesions is assisted through a 3D printing guide plate, so that a clinician can be assisted to realize accurate positioning of preoperative lesions. Therefore, the invention combines the 3D-Slicer software with the cerebral hemorrhage puncture drainage device to solve the problem of inaccurate puncture positioning in the prior art.
Disclosure of Invention
The invention aims to provide a cerebral hemorrhage puncture drainage device based on 3D printing and a manufacturing method thereof, and the manufactured puncture drainage device is convenient to operate, so that the accuracy of puncture positioning and the success rate of puncture operation are improved, and the potential safety hazard of puncture positioning on a patient is reduced.
In order to achieve the aim, the invention provides a cerebral hemorrhage puncture drainage device based on 3D printing, which comprises a positioning adhesion plate made of 3D printing, wherein two sides of the positioning adhesion plate are connected with limiting sleeves, the top of the positioning adhesion plate is provided with an arched positioning frame, the middle part of the positioning frame is provided with a positioning seat, a puncture needle tube penetrates through the positioning seat to extend into the positioning frame, and an angle adjusting mechanism connected with the puncture needle tube is further arranged in the positioning seat;
the angle adjusting mechanism comprises a fixed plate, an upper toothed ring, a lower toothed ring, a rotating plate and a spring, wherein the fixed plate is fixedly connected to the upper side of a positioning seat, the upper toothed ring, the lower toothed ring and the spring are all arranged inside the positioning seat, the rotating plate is arranged outside the positioning seat and is positioned on the upper side of the fixed plate, the upper toothed ring is fixedly connected to the lower side of the fixed plate, a first through hole communicated with an inner cavity of the upper toothed ring is formed in the middle of the fixed plate, the lower toothed ring is arranged on the lower side of the upper toothed ring, the spring is arranged between the lower side of the lower toothed ring and the bottom of the positioning seat, a connecting pipe is arranged on the upper side of the lower toothed ring, the connecting pipe penetrates through the upper toothed ring, the fixed plate and the rotating plate are fixedly connected, a second through hole is formed in the rotating plate, and the inner cavity of the connecting pipe and the inner cavity of the lower toothed ring are connected to form a passage penetrating through a puncture needle tube.
Preferably, a limiting groove is arranged in the channel vertically, the bottom of the limiting groove is of a sealing structure, and a limiting protrusion which is in sliding connection with the limiting groove is arranged on the outer wall of the puncture needle tube.
Preferably, the bottom of the lower toothed ring is provided with a limiting cavity, and the top of the spring is arranged in the limiting cavity and is in propping connection with the lower toothed ring.
Preferably, the top of the puncture needle tube is sleeved with a limiting ring, the diameter of the limiting ring is larger than that of the channel, and the puncture needle tube penetrates through the limiting ring and is communicated with the drainage tube.
Preferably, the positioning and attaching plate is attached to the forehead, nose and upper wall of eye orbit in craniofacial region, and the limit sleeve is attached to the surface of craniofacial region.
A manufacturing method of a cerebral hemorrhage puncture drainage device based on 3D printing comprises the following steps:
s1, scanning the head of a patient by using image equipment to obtain CT, CTA, MRI scanning data of the head of the patient;
s2, importing the head CT, CTA, MRI scanning data of the patient into 3D-slicer software, sequentially reconstructing craniocerebral focus, blood vessels, nerves and skull models, and then performing three-dimensional reconstruction of the head to obtain a 3D stereoscopic model of the head of the patient;
s3, constructing a positioning and attaching plate 3D model attached to the craniofacial surface of the 3D model, and determining the position and puncture point of hematoma on the 3D model, wherein a puncture path between the puncture point and the center of hematoma avoids the cerebral blood vessel running part and the functional area;
s4, constructing a 3D model of a positioning seat above the puncture point, constructing a 3D model of a positioning frame on the outer side of the 3D model of the positioning seat, designing the 3D model of the positioning frame on a preset positioning attaching plate, and designing a 3D model of a limiting sleeve on one side of the 3D model of the positioning attaching plate;
s5, integrating the 3D model of the positioning attaching plate, the 3D model of the positioning seat, the 3D model of the positioning frame and the 3D model data of the limiting sleeve into an integral 3D model data packet, and finally, importing the data in the 3D model data packet into 3D printing equipment for printing to obtain fixing equipment for assisting cerebral hemorrhage puncture drainage;
s6, connecting the puncture needle tube in the positioning seat through the angle adjusting mechanism, and obtaining the whole puncture drainage device.
The invention has the beneficial effects that:
the 3D model is established through the 3D-slicer software and is combined with the 3D printing technology, the manufactured positioning attaching plate, the limiting sleeve, the positioning seat and the positioning frame form fixing equipment, the positioning attaching plate is tightly attached to the head of a patient, the positioning attaching plate is sleeved on the surface of the face of the patient through the limiting sleeve, the positioning seat is aligned to the center of hematoma, the problem that a doctor performs puncture positioning on the position of the hematoma of the patient in a minimally invasive operation is avoided, the operation is convenient, the accuracy of puncture positioning and the success rate of puncture operation are improved, and the potential safety hazard caused to the patient by puncture positioning is reduced.
The positioning seat is connected with the puncture needle tube through the angle adjusting mechanism, and the puncture needle tube can be driven to rotate through the angle adjusting mechanism, so that the angle and the direction of sucking hematoma are adjusted, the hematoma drainage effect is improved, and hematoma residues are reduced; meanwhile, the risk of intracranial infection is reduced, the sharp cutting damage of the head end of the outer sleeve to peripheral blood vessels and brain tissues is reduced, the success rate of the operation is improved, and the complications of the operation are reduced. Overcomes the defect that the angle of the traditional puncture drainage device is not easy to adjust.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic view of a 3D stereoscopic model of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a lancing drainage device according to the present invention;
FIG. 4 is a schematic cross-sectional view of an upper toothed ring of the lancing drainage device of the present invention;
FIG. 5 is a schematic cross-sectional view of the lower toothed ring of the lancing drainage device of the present invention;
FIG. 6 is a schematic cross-sectional view of a puncture needle tube of the puncture drainage device of the present invention.
Reference numerals:
1. positioning the bonding plate; 2. a limit sleeve; 3. a positioning frame; 4. a positioning seat; 5. puncture needle tube; 51. a limit protrusion; 52. a limiting ring; 6. an angle adjusting mechanism; 61. a fixing plate; 611. a first through hole; 62. an upper toothed ring; 63. a lower toothed ring; 631. a spacing cavity; 632. a limit groove; 64. a rotating plate; 641. a second through hole; 65. a spring; 66. a connecting pipe; 7. 3D stereoscopic model.
Detailed Description
The invention will be further described with reference to examples. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The above-mentioned features of the invention or the features mentioned in the specific examples can be combined in any desired manner, and these specific examples are only intended to illustrate the invention and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1 to 6, as shown in the drawings, the invention provides a cerebral hemorrhage puncture drainage device based on 3D printing, which comprises a positioning adhesion plate 1 made of 3D printing, wherein the positioning adhesion plate 1 is adhered to the forehead, the nose and the upper wall of an eye socket in a craniofacial part, so that the positioning adhesion plate 1 can be ensured to be fixed to an accurate position, and the positioning accuracy is improved. The two sides of the positioning and attaching plate 1 are connected with the limiting sleeve 2, the limiting sleeve 2 is attached to the surface of the craniofacial part, and the positioning and attaching plate 1 is stably connected to the head of a patient through the clamping of the limiting sleeve 2 and the craniofacial part, so that the fixing stability of the device is improved.
The top of location laminating board 1 is provided with arched locating rack 3, and the middle part of locating rack 3 is provided with positioning seat 4, and puncture needle tubing 5 runs through positioning seat 4 and extends to in the locating rack 3, and the position of patient's head hematoma and the position of puncture point are confirmed to the 3D model that builds according to 3D-sler software, then the position of positioning seat 4 is confirmed according to the position of puncture point, has guaranteed to carry out accurate puncture location to patient's hematoma position, improves the success rate of puncture operation.
The positioning seat 4 is also internally provided with an angle adjusting mechanism 6 connected with the puncture needle tube 5, and the direction of the suction inlet of the puncture needle tube 5 can be adjusted through the angle adjusting mechanism 6, so that the angle and the direction of hematoma suction can be adjusted, the hematoma drainage effect can be improved, and hematoma residues can be reduced.
The angle adjusting mechanism 6 comprises a fixed plate 61, an upper toothed ring 62, a lower toothed ring 63, a rotating plate 64 and a spring 65, wherein the fixed plate 61 is fixedly connected to the upper side of the positioning seat 4, the upper toothed ring 62, the lower toothed ring 63 and the spring 65 are arranged inside the positioning seat 4, and the rotating plate 64 is arranged outside the positioning seat 4 and is positioned on the upper side of the fixed plate 61. The upper toothed ring 62 is fixedly connected with the lower side of the fixed plate 61, a through hole 611 communicated with the inner cavity of the upper toothed ring 62 is arranged in the middle of the fixed plate 61, the lower toothed ring 63 is arranged on the lower side of the upper toothed ring 62, a spring 65 is arranged between the lower side of the lower toothed ring 63 and the bottom of the positioning seat 4, a limiting cavity 631 is arranged at the bottom of the lower toothed ring 63, and the top of the spring 65 is arranged in the limiting cavity 631 and is in abutting connection with the lower toothed ring 63.
The lower toothed ring 63 is pushed up by the elasticity of the spring 65, so that the lower toothed ring 63 is engaged with the upper toothed ring 62, and the upper toothed ring 62 and the lower toothed ring 63 do not rotate with each other in the engaged state of the upper toothed ring 62 and the lower toothed ring 63, thereby fixing the puncture needle tube 5 internally arranged in the upper toothed ring 62 and the lower toothed ring 63. The puncture needle tube 5 can stably drain the hematoma position.
The upper side of the lower toothed ring 63 is provided with a connecting pipe 66, the connecting pipe 66 penetrates through the upper toothed ring 62 and a through hole 611 of the fixed plate 61 to be fixedly connected with the rotating plate 64, and the rotating plate 64 can drive the lower toothed ring 63 to rotate through the connecting pipe 66. When the rotary plate 64 is rotated, the lower toothed ring 63 compresses the spring 65, so that the engaged and connected parts of the lower toothed ring 63 and the upper toothed ring 62 are separated, and then the rotary plate 64 is rotated, so that the lower toothed ring 63 can be driven to smoothly rotate.
The rotating plate 64 is provided with a second through hole 641, and the second through hole 641, the inner cavity of the connecting pipe 66 and the inner cavity of the lower gear ring 63 are connected in a penetrating way to form a passage for penetrating the puncture needle tube 5. A limiting groove 632 is arranged in the channel vertically, the bottom of the limiting groove 632 is of a sealing structure, and a limiting protrusion 51 which is connected with the limiting groove 632 in a sliding manner is arranged on the outer wall of the puncture needle tube 5. The limiting groove 632 is used for limiting and fixing the limiting boss 51, so that the lower toothed ring 63 can drive the puncture needle tube 5 to rotate when rotating, and the angle of the puncture needle tube 5 is adjusted. And the limit projection 51 can move up and down in the limit groove 632, so that the height adjustment of the puncture needle tube 5 is not affected, and the installation of the puncture needle tube 5 is also facilitated.
The top of the puncture needle tube 5 is sleeved with a limiting ring 52, and the limiting ring 52 can move up and down on the outer side of the puncture needle tube 5. The diameter of the limiting ring 52 is larger than that of the channel, the puncture needle tube 5 penetrates through the limiting ring 52 and is communicated with the drainage tube, the height position of the puncture needle tube 5 is limited by the limiting ring 52, and the puncture needle tube 5 is prevented from being separated from the channel downwards to cause injury to a patient.
The specific using process comprises the following steps:
firstly, an angle adjusting device is installed in a positioning seat 4, a puncture needle tube 5 is penetrated into a channel, a limit protrusion 51 is connected in a limit groove 632 in a sliding manner, the initial height position of the puncture needle tube 5 is determined by moving a limit ring 52, then a positioning attaching plate 1 is attached to the forehead, the nose and the upper wall of an eye socket in a craniofacial part, a limit sleeve 2 is attached to the surface of the craniofacial part, the position of the positioning seat 4 is determined, the channel of the positioning seat 4 is opposite to a puncture point, a rotary plate 64 is pushed to downwards compress a spring 65, the part, which is engaged and connected with a lower toothed ring 63 and an upper toothed ring 62, is separated, the rotary plate 64 is rotated, the lower toothed ring 63 is driven to rotate by matching the limit protrusion 51 with the limit groove 632, the puncture needle tube 5 is driven to rotate, the suction angle of the puncture needle tube 5 is adjusted, the hematoma drainage effect is improved, and hematoma residues are reduced; meanwhile, the risk of intracranial infection is reduced, the sharp cutting damage of the head end of the outer sleeve to peripheral blood vessels and brain tissues is reduced, the success rate of the operation is improved, and the complications of the operation are reduced. Overcomes the defect that the angle of the traditional puncture drainage device is not easy to adjust.
A manufacturing method of a cerebral hemorrhage puncture drainage device based on 3D printing comprises the following steps:
s1, scanning the head of a patient by using image equipment to obtain CT, CTA, MRI scanning data of the head of the patient;
s2, importing the head CT, CTA, MRI scanning data of the patient into 3D-slicer software, sequentially reconstructing craniocerebral focus, blood vessels, nerves and skull models, and then performing three-dimensional reconstruction of the head to obtain a 3D stereoscopic model 7 of the head of the patient;
s3, constructing a positioning attaching plate 13D model attached to the craniofacial surface of the 3D three-dimensional model 7, and determining the position and puncture point of hematoma on the 3D three-dimensional model 7, wherein a puncture path between the puncture point and the center of hematoma avoids a cerebral blood vessel running part and a functional area;
s4, constructing a 3D model of the positioning seat 4 above the puncture point, constructing a 3D model of the positioning frame 3 on the outer side of the 3D model of the positioning seat, designing the 3D model of the positioning frame on a preset positioning attaching plate 1, and designing a 3D model of a limit sleeve on one side of the 3D model of the positioning attaching plate;
s5, integrating the 3D model of the positioning attaching plate, the 3D model of the positioning seat, the 3D model of the positioning frame and the 3D model data of the limiting sleeve into an integral 3D model data packet, and finally, importing the data in the 3D model data packet into 3D printing equipment for printing to obtain fixing equipment for assisting cerebral hemorrhage puncture drainage;
s6, connecting the puncture needle tube 5 in the positioning seat 4 through the angle adjusting mechanism 6, and obtaining the whole puncture drainage device.
The 3D model is established through 3D-slicer software and the 3D printing technology is combined, the manufactured positioning laminated plate 1, the limiting sleeve 2, the positioning seat 4 and the positioning frame 3 form fixing equipment, the positioning laminated plate 1 is tightly attached to the head of a patient, the positioning laminated plate is sleeved on the surface of the face of the patient through the limiting sleeve 2, the positioning seat 4 is aligned to the center of hematoma, the problem that a doctor performs puncture positioning on the hematoma position of the patient in a minimally invasive operation is avoided, the operation is convenient, the accuracy of puncture positioning and the success rate of puncture operation are improved, and the potential safety hazard caused to the patient by puncture positioning is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (6)
1. Cerebral hemorrhage puncture drainage device based on 3D prints, its characterized in that: the positioning and laminating plate comprises a positioning and laminating plate manufactured by 3D printing, wherein limit sleeves are connected to two sides of the positioning and laminating plate, an arched positioning frame is arranged at the top of the positioning and laminating plate, a positioning seat is arranged in the middle of the positioning frame, a puncture needle tube penetrates through the positioning seat and extends into the positioning frame, and an angle adjusting mechanism connected with the puncture needle tube is further arranged in the positioning seat;
the angle adjusting mechanism comprises a fixed plate, an upper toothed ring, a lower toothed ring, a rotating plate and a spring, wherein the fixed plate is fixedly connected to the upper side of a positioning seat, the upper toothed ring, the lower toothed ring and the spring are all arranged inside the positioning seat, the rotating plate is arranged outside the positioning seat and is positioned on the upper side of the fixed plate, the upper toothed ring is fixedly connected to the lower side of the fixed plate, a first through hole communicated with an inner cavity of the upper toothed ring is formed in the middle of the fixed plate, the lower toothed ring is arranged on the lower side of the upper toothed ring, the spring is arranged between the lower side of the lower toothed ring and the bottom of the positioning seat, a connecting pipe is arranged on the upper side of the lower toothed ring, the connecting pipe penetrates through the upper toothed ring, the fixed plate and the rotating plate are fixedly connected, a second through hole is formed in the rotating plate, and the inner cavity of the connecting pipe and the inner cavity of the lower toothed ring are connected to form a passage penetrating through a puncture needle tube.
2. The cerebral hemorrhage puncture drainage device based on 3D printing according to claim 1, wherein: the inside of the channel is provided with a vertically arranged limit groove, the bottom of the limit groove is of a sealing structure, and the outer wall of the puncture needle tube is provided with a limit protrusion which is in sliding connection with the limit groove.
3. The cerebral hemorrhage puncture drainage device based on 3D printing according to claim 1, wherein: the bottom of the lower toothed ring is provided with a limiting cavity, and the top of the spring is internally provided with the limiting cavity and is in propping connection with the lower toothed ring.
4. The cerebral hemorrhage puncture drainage device based on 3D printing according to claim 1, wherein: the top of the puncture needle tube is sleeved with a limiting ring, the diameter of the limiting ring is larger than that of the channel, and the puncture needle tube penetrates through the limiting ring and is communicated with the drainage tube.
5. The cerebral hemorrhage puncture drainage device based on 3D printing according to claim 1, wherein: the positioning and attaching plate is attached to the forehead, nose and upper wall of eye orbit in craniofacial part, and the limit sleeve is attached to the surface of craniofacial part.
6. A method for manufacturing a cerebral hemorrhage puncture drainage device based on 3D printing according to any one of claims 1 to 5, comprising the following steps:
s1, scanning the head of a patient by using image equipment to obtain CT, CTA, MRI scanning data of the head of the patient;
s2, importing the head CT, CTA, MRI scanning data of the patient into 3D-slicer software, sequentially reconstructing craniocerebral focus, blood vessels, nerves and skull models, and then performing three-dimensional reconstruction of the head to obtain a 3D stereoscopic model of the head of the patient;
s3, constructing a positioning and attaching plate 3D model attached to the craniofacial surface of the 3D model, and determining the position and puncture point of hematoma on the 3D model, wherein a puncture path between the puncture point and the center of hematoma avoids the cerebral blood vessel running part and the functional area;
s4, constructing a 3D model of a positioning seat above the puncture point, constructing a 3D model of a positioning frame on the outer side of the 3D model of the positioning seat, designing the 3D model of the positioning frame on a preset positioning attaching plate, and designing a 3D model of a limiting sleeve on one side of the 3D model of the positioning attaching plate;
s5, integrating the 3D model of the positioning attaching plate, the 3D model of the positioning seat, the 3D model of the positioning frame and the 3D model data of the limiting sleeve into an integral 3D model data packet, and finally, importing the data in the 3D model data packet into 3D printing equipment for printing to obtain fixing equipment for assisting cerebral hemorrhage puncture drainage;
s6, connecting the puncture needle tube in the positioning seat through the angle adjusting mechanism, and obtaining the whole puncture drainage device.
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