Craniotomy auxiliary device for forensic

Abstract

The craniotomy auxiliary device comprises a dissecting table, a shoulder and neck supporting plate and a head supporting plate are arranged on the dissecting table, a pillow pad is arranged on the shoulder and neck supporting plate, a moving motor and a moving screw rod are arranged at the bottom of the head supporting plate, a clamping block, a clamping rod and a clamping frame are arranged on the moving screw rod, and a clamping spring is arranged between the clamping frame and the moving block. An adjusting seat and a supporting plate are arranged on the dissecting table, an inserting rod is arranged on the supporting plate, an inserting groove is formed in the adjusting seat, a connecting rod is hinged to one side of the supporting plate, a connecting device is arranged between the connecting rod and the adjusting seat, a water receiving tank is arranged on the supporting plate, and brain blood can be conveniently received through the water receiving tank; the mounting plate for erecting the water receiving tank is convenient to mount and dismount; the movable motor drives the movable screw rod to rotate, then the clamping block and the clamping frame are driven to move, the head is clamped and fixed through the clamping frame, and shaking in the craniotomy process is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of forensic examination, and more specifically, to a forensic craniotomy auxiliary device. Background Art

[0002] Forensic craniotomy is an important operation in forensic medicine during autopsy. The main purpose of forensic craniotomy is to perform autopsy to obtain evidence about the cause of death, pathological conditions or other important forensic information. Through craniotomy examination, forensic doctors can observe the internal structure of the head, check whether the skull has fractures or other injuries, check whether there are abnormalities in the brain tissue, etc., which is of great significance to the investigation and judicial trial of criminal cases.

[0003] During the craniotomy process, it is difficult to fix the head of the corpse, which requires the forensic doctor to hold the head of the corpse during the process, which can easily affect the accuracy of the craniotomy. At the same time, a large amount of blood will be produced during the craniotomy process, accompanied by splattering of bone chips, which are difficult to clean. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a forensic craniotomy auxiliary device to solve the technical problems mentioned in the background technology that the head is difficult to fix and the blood is difficult to collect and clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a forensic craniotomy auxiliary device, comprising a dissecting table, a shoulder and neck support plate and a head support plate are provided on the dissecting table, a pillow pad is provided on the shoulder and neck support plate, a moving motor and a moving screw are provided at the bottom of the head support plate, a clamping block is provided on the moving screw, a clamping rod is provided on the clamping block, a clamping frame is provided on the clamping rod, a clamping spring is provided between the clamping frame and the moving block, an adjusting seat is provided on the dissecting table, a supporting plate is provided on the adjusting seat, an insertion rod is provided on the supporting plate, an insertion slot is provided on the adjusting seat, a connecting rod is hingedly provided on one side of the supporting plate, a connecting device is provided between the connecting rod and the adjusting seat, and a water receiving tank is provided on the supporting plate.

[0006] The utility model is further configured such that the connecting device includes a connecting groove, a connecting plate is slidably provided in the connecting groove, a connecting column is provided at one end of the connecting plate, and a connecting hole matching the connecting column is provided on the connecting rod. The position of the connecting rod is fixed by the connecting column and the connecting hole, thereby fixing the position of the support plate.

[0007] The utility model is further configured that a connecting spring is provided between the connecting plate and the connecting groove, and the connecting spring is in a stretched state so that the connecting column has a force that continuously and stably points to the connecting hole.

[0008] The utility model is further configured such that a moving block is provided on one side of the connecting plate, a moving groove is obliquely provided on the moving block, a moving rod is slidably provided in the moving groove, a pressing rod is provided on the top of the moving rod, and the moving block and the connecting plate are driven to adjust their positions through the cooperation of the moving rod and the moving groove.

[0009] The utility model is further configured that the dissecting table is provided with an adjusting screw and an adjusting slide rod, and the adjusting screw is threadedly connected with the adjusting seat to facilitate driving the adjusting seat to adjust the vertical height.

[0010] The utility model is further configured as follows: an adjusting rod and an adjusting handle are provided on the dissecting table, a first bevel gear is provided at one end of the adjusting rod, and a second bevel gear is provided on the adjusting screw, so that the adjusting screw can be driven to rotate by cooperation between the first bevel gear and the second bevel gear.

[0011] The utility model is further configured that the head support plate is provided with an arc-shaped baffle to prevent bone chips from splashing during craniotomy.

[0012] The utility model is further configured that a sliding groove is provided on the head support plate, and a sliding block is provided on the arc-shaped baffle plate to limit the moving direction of the arc-shaped baffle plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. A water receiving box is arranged on the support plate to receive blood from the brain. The installation plate for setting up the water receiving box can be easily installed and disassembled by cooperating with the insertion rod, the insertion groove and the connecting device. The adjusting handle drives the adjusting rod to rotate, and the first bevel gear and the second bevel gear cooperate to drive the adjusting screw to rotate, and the height of the adjusting seat and the water receiving box is moved, so that the water receiving box can meet the position requirements of the electric craniotomy saw and the manual saw at the same time.

[0015] 2. Support the shoulder and neck of the corpse with a pillow, and use a moving motor to drive the moving screw to rotate, drive the clamping block and the clamping frame to move, and clamp the head with the clamping frame to prevent shaking during craniotomy.

[0016] 3. The cooperation between the sliding block and the sliding groove makes it easy to move the arc baffle, which can prevent bone chips from splashing during craniotomy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a forensic craniotomy auxiliary device in the utility model;

[0018] Figure 2 It is a schematic diagram of the matching structure of the head support plate, the arc baffle, the moving motor, the moving screw, the clamping block and the clamping frame in the utility model;

[0019] Figure 3 It is a schematic diagram of the matching structure of the dissecting table, the adjustment handle, the adjustment rod, the first bevel gear, the second bevel gear, the adjustment screw, the adjustment slide rod and the adjustment seat in the utility model;

[0020] Figure 4 This is a schematic diagram of the matching structure of the adjustment seat, the support plate and the connecting device in the utility model;

[0021] Figure 5 for Figure 4 A is an enlarged schematic diagram of the local structure.

[0022] In the figure: 1. dissecting table; 2. shoulder and neck support plate; 3. head support plate; 4. pillow; 5. moving motor; 6. moving screw; 7. clamping block; 8. clamping rod; 9. clamping frame; 10. clamping spring; 11. adjustment seat; 12. support plate; 13. insertion rod; 14. insertion slot; 15. connecting rod; 16. water tank; 17. connecting slot; 18. connecting plate; 19. connecting column; 20. connecting hole; 21. connecting spring; 22. moving block; 23. moving slot; 24. moving rod; 25. pressing rod; 26. adjusting screw; 27. adjusting slide rod; 28. adjusting rod; 29. ​​adjusting handle; 30. first bevel gear; 31. second bevel gear; 32. arc baffle; 33. sliding slot; 34. sliding block. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0025] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0026] See also Figure 1-5A forensic craniotomy auxiliary device comprises a dissecting table 1, on which a shoulder and neck support plate 2 and a head support plate 3 are provided, on which a pillow pad 4 is provided, a moving motor 5 and a moving screw 6 are provided at the bottom of the head support plate 3, a clamping block 7 is provided on the moving screw 6, a clamping rod 8 is provided on the clamping block 7, a clamping frame 9 is provided on the clamping rod 8, a clamping spring 10 is provided between the clamping frame 9 and the moving block 22, an adjusting seat 11 is provided on the dissecting table 1, a supporting plate 12 is provided on the adjusting seat 11, an inserting rod 13 is provided on the supporting plate 12, an inserting groove 14 is provided on the adjusting seat 11, a connecting rod 15 is hingedly provided on one side of the supporting plate 12, a connecting device is provided between the connecting rod 15 and the adjusting seat 11, a water receiving box 16 is provided on the supporting plate 12, an arc-shaped baffle plate 32 is provided on the head support plate 3, a sliding groove 33 is provided on the head support plate 3, and a sliding block 34 is provided on the arc-shaped baffle plate 32.

[0027] In this embodiment, the person undergoing craniotomy is placed on the dissecting table 1, the shoulder and neck of the person undergoing craniotomy is placed on the pillow 4 of the shoulder and neck support plate 2, and the head is placed on the head support plate 3. The moving motor 5 is driven, and the moving motor 5 drives the moving screw 6 to rotate, thereby driving the clamping block 7 to move in opposite directions. The clamping block 7 drives the clamping frame 9 to move toward the head. By setting the clamping spring 10, the clamping stability of the clamping frame 9 is improved. The arc baffle 32 adopts a transparent baffle, and the sliding block 34 is driven by the arc baffle 32 to move in the sliding groove 33. The position of the arc baffle 32 is moved, and the forensic doctor performs craniotomy on the deceased with an electric craniotomy saw and a manual saw, receives brain blood through the water receiving box 16, and prevents bone chips from splashing during the craniotomy process through the arc baffle 32.

[0028] See also Figure 3-5 , as an implementation method of docking the water tank 16: the connecting device includes a connecting groove 17, a connecting plate 18 is slidably provided in the connecting groove 17, a connecting column 19 is provided at one end of the connecting plate 18, a connecting hole 20 matching the connecting column 19 is provided on the connecting rod 15, a connecting spring 21 is provided between the connecting plate 18 and the connecting groove 17, the connecting spring 21 is in a stretched state, a moving block 22 is provided on one side of the connecting plate 18, a moving groove 23 is obliquely provided on the moving block 22, a moving rod 24 is slidably provided in the moving groove 23, a pressing rod 25 is provided on the top of the moving rod 24, an adjusting screw 26 and an adjusting slide rod 27 are provided on the dissecting table 1, the adjusting screw 26 is threadedly connected to the adjusting seat 11, an adjusting rod 28 and an adjusting handle 29 are provided on the dissecting table 1, a first bevel gear 30 is provided at one end of the adjusting rod 28, and a second bevel gear 31 is provided on the adjusting screw 26.

[0029] More specifically, when installing the support plate 12, first extend the insertion rod 13 into the insertion groove 14, then rotate the connecting plate 18, fit the connecting plate 18 on the adjustment seat 11, move the pressing rod 25 downward, the pressing rod 25 drives the moving rod 24 to move in the moving groove 23, so that the moving block 22 moves away from the connecting plate 18, the moving block 22 drives the connecting plate 18 and the connecting column 19 to move, and stretches the connecting spring 21, so that the connecting column 19 is aligned with the connecting hole 20 on the connecting plate 18, and then release the pressing rod 25, the connecting plate 18 drives the moving block 22 to move toward the connecting rod under the elastic force of the connecting spring 21. 15 is moved on one side to insert the connecting column 19 into the connecting hole 20, the position of the support plate 12 is fixed, the water receiving box 16 is fixed on the support plate 12 to receive the blood in the brain, and the adjusting handle 29 is rotated at the same time. The adjusting handle 29 drives the adjusting rod 28 to rotate, and the adjusting rod 28 drives the first bevel gear 30 to rotate. When the first bevel gear 30 rotates, it drives the second bevel gear 31 and the adjusting screw 26 to rotate, so that the adjusting seat 11 moves vertically along the adjusting slide bar 27, and then the height of the adjusting seat 11 and the water receiving box 16 is adjusted, so that the water receiving box 16 can meet the body position requirements of the electric craniotomy saw and the manual saw at the same time.

[0030] When the device is in use: the person undergoing craniotomy is placed on the dissecting table 1, the shoulder and neck of the person undergoing craniotomy is placed on the pillow 4 of the shoulder and neck support plate 2, the head is placed on the head support plate 3, the moving motor 5 is driven, the moving motor 5 drives the moving screw 6 to rotate, and then drives the clamping block 7 to move in opposite directions, the clamping block 7 drives the clamping frame 9 to move toward the head, and the clamping stability of the clamping frame 9 is improved by setting the clamping spring 10. The arc baffle 32 adopts a transparent baffle, and the sliding block 34 is driven by the arc baffle 32 to move in the sliding groove 33, and the position of the arc baffle 32 is moved. The forensic doctor performs craniotomy on the deceased with an electric craniotomy saw and a manual saw, receives brain blood through the water receiving box 16, and prevents bone chips from splashing during the craniotomy process through the arc baffle 32.

[0031] When installing the support plate 12, first extend the insertion rod 13 into the insertion groove 14, then rotate the connecting plate 18, fit the connecting plate 18 on the adjustment seat 11, move the pressing rod 25 downward, the pressing rod 25 drives the moving rod 24 to move in the moving groove 23, so that the moving block 22 moves away from the connecting plate 18, the moving block 22 drives the connecting plate 18 and the connecting column 19 to move, and stretches the connecting spring 21, so that the connecting column 19 is aligned with the connecting hole 20 on the connecting plate 18, and then release the pressing rod 25, the connecting plate 18 drives the moving block 22 to move toward the connecting rod 15 under the elastic force of the connecting spring 21. One side is moved to insert the connecting column 19 into the connecting hole 20, the position of the support plate 12 is fixed, and the water receiving box 16 is fixed on the support plate 12 to receive brain blood. At the same time, the adjusting handle 29 is rotated, and the adjusting handle 29 drives the adjusting rod 28 to rotate, and the adjusting rod 28 drives the first bevel gear 30 to rotate. When the first bevel gear 30 rotates, it drives the second bevel gear 31 and the adjusting screw 26 to rotate, so that the adjusting seat 11 moves vertically along the adjusting slide bar 27, and then the height of the adjusting seat 11 and the water receiving box 16 is adjusted, so that the water receiving box 16 can meet the body position requirements of the electric craniotomy saw and the manual saw at the same time.

[0032] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A forensic craniotomy auxiliary device, comprising a dissecting table (1), characterized in that: The dissection table (1) is provided with a shoulder and neck support plate (2) and a head support plate (3); the shoulder and neck support plate (2) is provided with a pillow pad (4); the bottom of the head support plate (3) is provided with a moving motor (5) and a moving screw (6); the moving screw (6) is provided with a clamping block (7); the clamping block (7) is provided with a clamping rod (8); the clamping rod (8) is provided with a clamping frame (9); a clamping spring is provided between the clamping frame (9) and the moving block (22) (10), the dissecting table (1) is provided with an adjustment seat (11), the adjustment seat (11) is provided with a support plate (12), the support plate (12) is provided with an insertion rod (13), the adjustment seat (11) is provided with an insertion groove (14), a connecting rod (15) is hingedly provided on one side of the support plate (12), a connecting device is provided between the connecting rod (15) and the adjustment seat (11), and a water receiving box (16) is provided on the support plate (12).

2. A forensic craniotomy auxiliary device according to claim 1, characterized in that: The connecting device comprises a connecting groove (17), a connecting plate (18) is slidably arranged in the connecting groove (17), a connecting column (19) is arranged at one end of the connecting plate (18), and a connecting hole (20) matching with the connecting column (19) is arranged on the connecting rod (15).

3. A forensic craniotomy auxiliary device according to claim 2, characterized in that: A connecting spring (21) is provided between the connecting plate (18) and the connecting groove (17), and the connecting spring (21) is in a stretched state.

4. A forensic craniotomy auxiliary device according to claim 3, characterized in that: A moving block (22) is provided on one side of the connecting plate (18), a moving groove (23) is obliquely provided on the moving block (22), a moving rod (24) is slidably provided in the moving groove (23), and a pressing rod (25) is provided on the top of the moving rod (24).

5. The forensic craniotomy auxiliary device according to claim 1 is characterized by: The dissection table (1) is provided with an adjusting screw rod (26) and an adjusting sliding rod (27), and the adjusting screw rod (26) is threadedly connected to the adjusting seat (11).

6. A forensic craniotomy auxiliary device according to claim 5, characterized in that: The dissection table (1) is provided with an adjustment rod (28) and an adjustment handle (29); one end of the adjustment rod (28) is provided with a first bevel gear (30); and the adjustment screw rod (26) is provided with a second bevel gear (31).

7. The forensic craniotomy auxiliary device according to claim 1 is characterized by: An arc-shaped baffle (32) is provided on the head support plate (3).

8. The forensic craniotomy auxiliary device according to claim 7 is characterized by: The head support plate (3) is provided with a sliding groove (33), and the arc-shaped baffle plate (32) is provided with a sliding block (34).

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