3D Printed Abdomen with Bilateral Hernias

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  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
  • 3D Printed Abdomen with Bilateral Hernias
Retail Price $11,580.00
Today's Price $10,525.00
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This 3D model represents one of the largest and most complex in the series, consisting of a partial torso from the diaphragm to the proximal thigh with a complete abdominal cavity preserving varying levels of dissection. This 3D model also records the rare, simultaneous occurrence of indirect and direct inguinal hernias allowing for a consideration of the anatomical underpinnings for both conditions. Given the scale of the dissection this 3D model description is divided into discrete parts based on views and regions.

The Diaphragm

On the superior aspect of the model the diaphragm is preserved, and while slightly distorted due to removal of the thoracic ribs through dissection, both domes and costodiaphragmatic recesses can be appreciated. The fibrous pericardium is present on the superior surface of the central tendon, with the terminal part of the inferior vena cava visible in the caval foramen. Just lateral to caval foramen is the oesophagus within the oesophageal hiatus, and then the descending thoracic aorta approaching the aortic hiatus just ventral to the thoracic vertebrae.

The Epigastric and Hypochondriac Regions

Within the abdomen, the anterior abdominal wall, greater omentum, and much of the gastrointestinal tract has been removed alongside the parietal peritoneum over the posterior abdominal wall to expose retroperitoneal organs and structures. In the superior abdomen, the terminal portion of the oesophagus has been retained and can be seen entering the cavity just lateral to the left lobe of the liver. The removal of the stomach has exposed the extent of the pancreas from the head (positioned within the arc of the duodenum) to the tail extending to the capsule of the spleen preserved in the left hypochondrium. Superior to the pancreas, the splenic artery and common hepatic arteries can just be observed spanning across the narrow space between the pancreas, diaphragm and liver. The splenic follows its archetypical tortuous route towards the spleen, and strongly divides prior to reaching the hilum (and adjacent to the splenic vein). The common hepatic can be seen dividing into the gastroduodenal (visible again as a cut vessel just inferior to the duodenum) and giving off the right gastric artery; these vessels lie superficial relative to the hepatic portal vein. The superior mesenteric artery and vein can be seen passing anteriorly near the head of the pancreas and horizontal part of the duodenum, and the retained ileocolic artery can be traced to the caecum of the large intestine in the lower right quadrant of the abdomen. The inferior mesenteric vein can be, in part, appreciated arising from the retained superior rectal vein ascending from the undissected true pelvis and spanning across the superficial aspect of the descending thoracic aorta.

Inferior to the liver the gallbladder can be viewed just between the right and left anatomical lobes. On the left, the passage of the renal artery and vein can be seen just deep to the pancreas, and the ureters can be observed descending from the partially exposed kidney across the superficial surface of the exposed psoas major and minor muscles.

The Umbilical and Lumbar Regions

Most of the organs occupying the umbilical and lumbar regions of the abdomen have been removed in order to expose structures in the posterior abdominal wall. In the midline, the descending abdominal aorta and inferior vena cava dominate the region, with the testicular arteries and veins isolated and traceable towards the inguinal regions. Two right lumbar arteries are visible arising from the aorta, and despite removal of the mesenteries and most of the colon the inferior mesenteric artery can be seen giving rise to the left colic, sigmoid and superior rectal arteries. On the right side of the specimen inferior to the kidney, the subcostal, iliohypogastric and ilioinguinal nerves are exposed alongside the circumflex iliac artery.

The Hypogastrium and Iliac Regions

In the midline, the bifurcation of the descending abdominal aorta into the common iliacs (and subsequent division into the internal and external iliacs) can be observed deep to some of the overlying structures (e.g., testicular vessels, ureters) noted previously. On the right side, the obturator artery can be seen traversing from its origin towards the anterior aspect of the pelvis. The mirrored merging of external, internal and common iliac veins into the inferior vena cava is also preserved. Within the confines of the true pelvis the peritoneum has been retained over the region, covering the urinary bladder adjacent to the pubic symphysis and obscuring the rectum as it descends from the sigmoid colon. In the right iliac region the very terminal part of the ileum and caecum with appendix fill the iliac fossa, with the appendix (and appendicular artery) visible just superficial to the testicular artery, vein and genital branch of the genitofemoral nerve descending towards the inguinal canal. In the left region, the sigmoid colon descends across the iliac fossa. As it approaches the anterior abdominal wall, an epiploic appendage contribution to the indirect hernia can be observed just lateral to the retained inferior epigastric artery.

The Inguinal Region and Perineum

A distinctive and unique feature of this model is the dissection of simultaneous direct and indirect hernias preserved on the right and left sides, respectively. While most of the anterior abdominal wall has bee removed, the inferior epigastric arteries (and accompanying veins) have been retained to allow for interpretation of the herniations. On the right side, a distinct outpouching of the parietal peritoneum has formed medial relative to the inferior epigastric artery, representing an indirect herniation event. On the left side, the hernia sac extends laterally relative to the inferior epigastric artery and into the opened spermatic cord, with continuity of the epiploic appendage from the sigmoid colon into the sac.

The skin over the perineum has been removed in order to demonstrate both the structure of the penis (with both the corpus spongiosum and corpora cavernosa contrasted) and the position of the testes and spermatic cords relative to the anterior abdominal wall. On the right side, which in this individual is impacted by a direct hernia, the spermatic cord has been left undissected allowing for an appreciation of the external spermatic fascia from the inguinal region through to the testis. On the left side, the spermatic cord has been opened and is dominated by the enlarged and varicose testicular vein (reflecting the impact of the indirect hernia exposed within the cord) just superior to the epididymis and exposed tunica albuginea of the testis.

The Thigh

Anterior dissections into the femoral triangle region have been undertaken to both thighs with varying preservation of contents. On the right side the femoral sheath has been removed to expose the femoral artery, vein and the deep inguinal lymph nodes. The femoral artery has been sectioned with a portion removed to expose the origin of the profunda femoris and to better appreciate the draining of the great saphenous vein into the femoral vein. Just lateral to these structures the very terminal component of the femoral nerve is visible. On the left side a slightly larger dissection window has been opened to expose more of the underlying anterior and medial thigh compartment muscles, from the sartorius and iliopsoas laterally to the pectineus and adductor longus medially. The femoral artery has been preserved, with a well-preserved superficial circumflex iliac artery and the origin of the profunda femoris visible adjacent to the femoral nerve.

The model terminates at the level of the mid-thigh, and while not a primary focus of the model the spatial organization of structures in the cross-section can be seen. This includes the anteriorly positioned femoral diaphysis with tightly-packed anterior compartment muscles and the passage of the femoral artery and vein in the subsartorial canal.

Advantages of 3D Printed Anatomical Models

  • 3D printed anatomical models are the most anatomically accurate examples of human anatomy because they are based on real human specimens.
  • Avoid the ethical complications and complex handling, storage, and documentation requirements with 3D printed models when compared to human cadaveric specimens.
  • 3D printed anatomy models are far less expensive than real human cadaveric specimens.
  • Reproducibility and consistency allow for standardization of education and faster availability of models when you need them.
  • Customization options are available for specific applications or educational needs. Enlargement, highlighting of specific anatomical structures, cutaway views, and more are just some of the customizations available.

Disadvantages of Human Cadavers

  • Access to cadavers can be problematic and ethical complications are hard to avoid. Many countries cannot access cadavers for cultural and religious reasons.
  • Human cadavers are costly to procure and require expensive storage facilities and dedicated staff to maintain them. Maintenance of the facility alone is costly.
  • The cost to develop a cadaver lab or plastination technique is extremely high. Those funds could purchase hundreds of easy to handle, realistic 3D printed anatomical replicas.
  • Wet specimens cannot be used in uncertified labs. Certification is expensive and time-consuming.
  • Exposure to preservation fluids and chemicals is known to cause long-term health problems for lab workers and students. 3D printed anatomical replicas are safe to handle without any special equipment.
  • Lack of reuse and reproducibility. If a dissection mistake is made, a new specimen has to be used and students have to start all over again.

Disadvantages of Plastinated Specimens

  • Like real human cadaveric specimens, plastinated models are extremely expensive.
  • Plastinated specimens still require real human samples and pose the same ethical issues as real human cadavers.
  • The plastination process is extensive and takes months or longer to complete. 3D printed human anatomical models are available in a fraction of the time.
  • Plastinated models, like human cadavers, are one of a kind and can only showcase one presentation of human anatomy.

Advanced 3D Printing Techniques for Superior Results

  • Vibrant color offering with 10 million colors
  • UV-curable inkjet printing
  • High quality 3D printing that can create products that are delicate, extremely precise, and incredibly realistic
  • To improve durability of fragile, thin, and delicate arteries, veins or vessels, a clear support material is printed in key areas. This makes the models robust so they can be handled by students easily.
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Warranty Information

5 Year Warranty
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