CN115050254B - Minimally invasive surgical exercise model for removing Rake cyst - Google Patents
Minimally invasive surgical exercise model for removing Rake cyst Download PDFInfo
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Abstract
The invention discloses a surgical exercise model for minimally invasive removal of a Rake cyst, which comprises a Rake cyst model, a water flow impact system and a fixed model. The surgical practice model for minimally invasive removal of the Rake cyst adopts the method model for treating the Rake cyst by adopting the water flow flushing method under the skull base endoscope, can popularize the application of the water flow flushing technology in the skull base endoscope, can avoid the damage of the scraping and sucking method to surrounding tissues, reduces the incidence rate of complications and achieves the aim of removing the content of the Rake cyst. Meanwhile, the model can be applied to the research in the medical field, is beneficial to training of the surgical skills of treating the Rake cyst by using the water flow impact method under the cranium endoscope, is beneficial to improving the surgical skills of surgical students, and deepens the understanding of the water flow flushing method in the Rake cyst removal operation and the like of the students.
Description
Technical Field
The invention relates to the technical field of surgical models, in particular to a surgical exercise model for minimally invasive removal of a Rake cyst.
Background
Rake's cyst is a non-neoplastic disease that occurs in the saddle area and is the most common benign saddle area lesion found by chance in routine necropsy. Minimally invasive therapy has been increasingly applied to the field of treatment of leopards since the 20 th century. Minimally invasive treatment is the subject of co-pursuit by contemporary clinicians and patients, but the treatment of Rake's cysts and reconstruction of the saddle under minimally invasive instruments has become challenging. In addition, because the position of the Rake cyst is special, surrounding normal tissues are extremely easy to damage in the operation, and meanwhile, the operation range of minimally invasive treatment is limited and the learning curve is long, so that an operator has great difficulty in continuity, hand-eye coordination and intraoperative complication treatment, and therefore, a plurality of accidents such as cerebrospinal fluid leakage, diabetes insipidus, hypophysis hormone secretion and the like are often faced after the operation.
In recent years, the treatment of Rake's cyst by a nasal butterfly approach scraping, aspiration and excision method has become a mainstream operation mode, wherein nasal septum and middle turbinate are firstly spread by nostrils; secondly, grinding and drilling to remove bones of the sphenoid sinus and the sphenoid saddle and exposing the Rake cyst; inoculating and incising cyst wall, scraping and removing contents of the Rake cyst by using annular curettes and attractors with various angles; and finally repairing the saddle area to finish the operation. There are also disadvantages to scraping, suction and cutting via sphenoid sinus approach. Firstly, the internal structure of the Rake cyst cannot be well exposed, and the excision situation of the cyst content cannot be clearly judged, so that the total cutting rate of the cyst content is reduced, and surrounding normal tissues are easily damaged; secondly, if the internal structure of the Rake cyst needs to be fully exposed, the incision of the saddle bottom needs to be enlarged, and the risks of surgical trauma and cerebrospinal fluid leakage are increased; finally, after the contents of the Rake cyst are scraped during operation, the cyst wall collapses due to the action of gravity, so that a dead zone exists in the operation field, the mechanically blind cyst scraping can lead to the rupture of the thin cyst wall and the arachnoid, the occurrence rate of postoperative cerebrospinal fluid leakage is increased, and meanwhile, the cyst compression leads to normal pituitary tissue atrophy and function reduction. Thus, there are many complications of post-operative leakage of cerebrospinal fluid, transient and/or permanent diabetes insipidus, hypophyseal anterior lobe hormone secretion, etc. Wherein, the incidence rate of intracranial infection is up to 19% in patients with persistent cerebrospinal fluid leakage after operation.
Disclosure of Invention
The invention aims to provide a minimally invasive surgical practice model for removing a Rake cyst, which is used for reducing postoperative complications of the Rake cyst.
The aim of the invention is achieved by the following technical scheme:
the invention aims to provide a surgical exercise model for minimally invasive removal of a Rake cyst, which comprises a Rake cyst model, a water flow impact system and a fixed model;
the water flow impact system comprises a water delivery pump for providing water flow with constant flow rate, a liquid inlet of the water delivery pump is communicated with the water storage device through an upper infusion tube, and a liquid outlet of the water delivery pump is communicated with a lower infusion tube;
the fixed model comprises a water tank, a partition plate is arranged in the middle of the water tank, and a side hole is formed in the partition plate;
the Rake cyst model is fixed in the side hole, and the lower infusion tube is aligned to the Rake cyst model for impact.
Further, the water storage device is a physiological saline bag.
Further, the water delivery pump is an infusion pressurizing bag, a uterine swelling pump or a chemical diaphragm pump.
Further, the upper infusion tube is connected with the water delivery pump through an upper clamping groove, and the lower infusion tube is connected with the water delivery pump through a lower clamping groove.
Further, the Rake cyst model includes a cyst wall and cyst contents;
further, the cyst wall is pig brain arachnoid, and the cyst content is egg white, jelly and/or blood clot; wrapping the egg white, jelly and/or blood clot by using the pig brain arachnoid, and sealing by using biological tissue glue to obtain the Rake cyst model.
Further, the side hole is located at the intersection of the upper third of the partition plate and the midline.
Further, the Rake cyst model is fixed in the side hole through biological tissue glue.
Further, the water tank is a glass water tank, and the partition plate is a glass partition plate.
Further, the left side and the right side of the partition plate are provided with liquids with different colors.
The invention has the outstanding effects that:
the surgical practice model for minimally invasive removal of the Rake cyst adopts the method model for treating the Rake cyst by adopting the water flow flushing method under the skull base endoscope, can popularize the application of the water flow flushing technology in the skull base endoscope, can avoid the damage of the scraping and sucking method to surrounding tissues, reduces the incidence rate of complications and achieves the aim of removing the content of the Rake cyst. Meanwhile, the model can be applied to the research in the medical field, is beneficial to training of the surgical skills of treating the Rake cyst by using the water flow impact method under the cranium endoscope, is beneficial to improving the surgical skills of surgical students, and deepens the understanding of the water flow flushing method in the Rake cyst removal operation and the like of the students.
The following describes the specific embodiments of the present invention in further detail with reference to examples, so that the technical solution of the present invention is easier to understand and grasp.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
As shown in fig. 1, a minimally invasive surgical practice model for removing a raker cyst of the present embodiment includes a raker cyst model 1, a water flow impact system 2, and a fixed model 3;
the water flow impact system 2 comprises a water delivery pump 21 for providing water flow with constant flow rate, wherein a liquid inlet of the water delivery pump 21 is communicated with a water storage device 23 through an upper infusion tube 22, and a liquid outlet is communicated with a lower infusion tube 24;
the fixed model 3 comprises a glass water tank 31, a glass partition plate 32 is arranged in the middle of the glass water tank 31, a side hole 33 is formed at the intersection point of the upper third of the glass partition plate 32 and a central line, physiological saline containing red ink is injected into the right part of the glass water tank 31, and physiological saline is injected into the left part of the glass water tank 31;
the Laplace cyst model 1 is fixed in the side hole 33 through biological tissue glue, and the lower infusion tube 24 is aligned with the Laplace cyst model 1 for impact.
Wherein the water storage device 23 is a physiological saline bag.
The water delivery pump 21 is a transfusion pressurized bag.
The upper infusion tube 22 is connected with the water delivery pump 21 through an upper clamping groove 25, and the lower infusion tube 24 is connected with the water delivery pump 21 through a lower clamping groove 26.
The Rake cyst model 1 includes a cyst wall and cyst contents; the cyst wall is pig brain arachnoid, and the content of the cyst is egg white, jelly and/or blood clot; wrapping egg white, jelly and/or blood clot with pig brain arachnoid, and sealing with biological tissue glue to obtain Rake cyst model 1.
When the method is applied, firstly, under the action of the water delivery pump 21, the Rake cyst model 1 is impacted by constant water flow velocity, so that lesions can be dissected and separated underwater, and the tumor residual cavity can be impacted, so that tiny residual tumors can be further removed, and meanwhile, the pig brain arachnoid is prevented from being broken by the overlarge water flow velocity; secondly, the continuous flushing of water flow can expand the capsule cavity which falls down due to the action of gravity, so that the visualization of an operation area is improved, and any tumor residue possibly caused by the concealment of the saddle diaphragm is avoided; and the continuous water flow flushing can control small blood seepage, so that the problem that the sharpness of the operation field is reduced due to pollution of the lens is avoided; finally, due to the pressure of water flow flushing and the effect of a saline lens, the conditions of perforation and the like of the cavernous sinus wall and the arachnoid can be clearly observed, and an important basis is provided for the strict repair of a postoperative saddle area. Therefore, the water flow impact technology can separate lesions by water flow impact with a certain flow speed under water, so that the damage of a scraping and sucking method to surrounding tissues can be avoided, the occurrence rate of complications is reduced, and the aim of removing contents of the Rake cyst is fulfilled.
Example 2
The present embodiment is basically identical to embodiment 1 in structure, except that the water-feeding pump 21 is a uterine-expansion pump.
Example 3
The present embodiment is basically identical to the structure of embodiment 1 except that the water-feeding pump 21 is a chemical diaphragm pump.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (8)
1. A minimally invasive surgical exercise model for removing a Rake cyst is characterized in that: comprises a Rake cyst model, a water flow impact system and a fixed model;
the Rake cyst model includes a cyst wall and cyst contents; the cyst wall is pig brain arachnoid, and the content of the cyst is egg white, jelly and/or blood clot; wrapping the egg white, jelly and/or blood clot by using the pig brain arachnoid membrane, and sealing by using biological tissue glue to obtain the Rake cyst model;
the water flow impact system comprises a water delivery pump for providing water flow with constant flow rate, a liquid inlet of the water delivery pump is communicated with the water storage device through an upper infusion tube, and a liquid outlet of the water delivery pump is communicated with a lower infusion tube;
the fixed model comprises a water tank, a partition plate is arranged in the middle of the water tank, and a side hole is formed in the partition plate;
the Rake cyst model is fixed in the side hole, and the lower infusion tube is aligned to the Rake cyst model for impact.
2. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the water storage device is a physiological salt water bag.
3. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the water delivery pump is an infusion pressurizing bag, a uterine swelling pump or a chemical diaphragm pump.
4. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the upper infusion tube is connected with the water delivery pump through an upper clamping groove, and the lower infusion tube is connected with the water delivery pump through a lower clamping groove.
5. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the side holes are positioned at the intersection point of the upper third of the partition plate and the central line.
6. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the Rake cyst model is fixed in the side hole through biological tissue glue.
7. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the water tank is a glass water tank, and the partition plate is a glass partition plate.
8. The surgical exercise model for minimally invasive removal of a rakes cyst of claim 1 wherein: the left side and the right side of the partition plate are provided with liquids with different colors.
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| CN202210812418.7A CN115050254B (en) | 2022-07-11 | 2022-07-11 | Minimally invasive surgical exercise model for removing Rake cyst |
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| CN202210812418.7A CN115050254B (en) | 2022-07-11 | 2022-07-11 | Minimally invasive surgical exercise model for removing Rake cyst |
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