CN217409042U - Moving mechanism for small animal bone surgery - Google Patents
Moving mechanism for small animal bone surgery Download PDFInfo
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- CN217409042U CN217409042U CN202220302485.XU CN202220302485U CN217409042U CN 217409042 U CN217409042 U CN 217409042U CN 202220302485 U CN202220302485 U CN 202220302485U CN 217409042 U CN217409042 U CN 217409042U
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Abstract
When an animal is taken as an object to perform related experiments or operations, due to the problem of the size of a human hand, the bone operation device designed aiming at the bone structure of a human body cannot meet the corresponding bone operation requirements of the small animal only by changing the size. The utility model discloses a technical scheme is in order to solve above-mentioned technical problem: the small animal bone surgery moving mechanism comprises a fixing mechanism, a moving mechanism and an adjusting mechanism, wherein the fixing mechanism comprises a fixing block, a fixing needle fixing hole and a moving needle hole which are formed in the fixing block; one end of the adjusting mechanism is fixed on the fixing mechanism, and the other end of the adjusting mechanism is connected with the moving mechanism, so that the moving mechanism can move by taking the fixing needle as a guide rail.
Description
Technical Field
The present invention relates to a bone surgery device for therapeutic or experimental use for a small animal, and more particularly to a structure for movement in bone surgery.
Background
Such as diabetic foot, toe ulcers, chronic toe ulcers, etc. caused by diabetes, lower limb arteriosclerotic occlusion, etc., can be treated by the lateral bone mobilization technique.
To better serve the patient, relevant experiments will be performed on animals.
The device for human bone moving operation is characterized in that a long rod-shaped main body is designed in the prior art, then fixing needles are arranged at two ends of the main body, the fixing needles are inserted into bones of an operation object during operation, a moving needle frame is arranged in the middle of the main body, and the moving needles are moved in a direction away from the bones by operating a knob of the moving needle frame so as to achieve the function of transverse moving.
In practical application, the bone surgery device designed aiming at the bone structure of a human body can not meet the corresponding bone surgery requirements of small animals only by changing the size due to the problem of the size of a human hand.
The same problem naturally exists with small animal bone surgery for therapeutic purposes.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem of the pertinence of the surgical tools, the utility model discloses the following technical scheme about the mechanism is moved in the operation of small animal bones:
the small animal bone surgery moving mechanism comprises a fixing mechanism, a moving mechanism and an adjusting mechanism, wherein the fixing mechanism comprises a fixing block, a fixing needle fixing hole and a moving needle hole, the fixing needle is arranged on the fixing block, and the fixing needle can be assembled in the fixing needle fixing hole and is fixedly connected with the fixing block; the moving mechanism comprises a moving block, a moving needle fixing hole and a fixing needle hole, wherein the moving needle is arranged on the moving block, can be assembled in the moving needle fixing hole and is fixedly connected with the moving block; the fixed needle hole is in movable connection with the fixed needle hole shaft, and the moving needle hole is in movable connection with the moving needle; one end of the adjusting mechanism is fixed on the fixing mechanism, and the other end of the adjusting mechanism is connected with the moving mechanism, so that the moving mechanism can move by taking the fixing needle as a guide rail.
Specifically, the adjusting mechanism comprises an adjusting bolt fixed on the fixed block and an adjusting nut positioned between the fixed block and the moving block and screwed on the adjusting screw.
Furthermore, the adjusting mechanism also comprises a positioning nut which is positioned at two ends of the moving block together with the adjusting nut.
Further, in order to ensure that the fixing needle hole and the fixing needle do not generate difficulty in relative movement, the fixing needle hole is in clearance fit with the fixing needle and the hole shaft at least. Similarly, the moving needle hole and the moving needle are at least in clearance fit with each other.
For the operation is more stable when the operation, the quantity of fixed needle is two at least.
The number of the fixing needle fixing holes and the number of the fixing needle holes are larger than or equal to the number of the fixing needles. If the number of the fixing holes of the fixing needle is more, the operator can select different fixing holes of the fixing needle to insert the fixing needle according to the operation requirement.
Further, the fixing pin fixing hole and the fixing pin hole are parallel to each other.
When the number of the fixed pinholes is at least two, and the center of the moving pinhole is arranged on a central connecting line of two fixed pinholes, the moving needle cannot generate force action in the direction vertical to the connecting line in the operation process.
For convenient manufacture, the fixed block and the moving block are both columns, and the areas of the bottom surfaces are equal.
Implement the utility model discloses a technical scheme removes the piece and uses fixed needle as the guide rail, under the small-size condition, removes the size of piece and relevant guiding mechanism's size great to in avoiding implementing prior art rod-type design, remove the distance that piece length is than fixed needle and want littleer, remove the defect that the piece is difficult to make and/or operate when the small-size is implemented.
The technical proposal disclosed by the utility model can also be applied to the operation of small bones of human body.
Drawings
Fig. 1 shows a securing mechanism in an embodiment.
Fig. 2 shows a moving mechanism in an embodiment.
FIG. 3 is an assembly view of a holding mechanism and a moving mechanism according to an embodiment.
Wherein the reference numbers: 1 is a fixing mechanism, 11 is a fixing block, 12 is a fixing needle, 13 is an adjusting bolt, 14 is a fixing needle fixing hole, and 15 is a moving needle hole; 2, a moving mechanism, 21, a moving block, 22, a moving needle, 23, a bolt hole, 24, a moving needle fixing hole and 25, wherein the moving block is a moving block; 3 is an adjusting nut, and 4 is a positioning nut.
Detailed Description
The bone surgery transfer mechanism has a fixing mechanism 1 and a transfer mechanism 2, which have a main transfer function. And the device also comprises an adjusting nut 3 and a positioning nut 4.
As shown in fig. 1 and 3, the fixing mechanism 1 is composed of a fixing block 11, two fixing pins 12, and an adjusting bolt 13. The fixing block 11 is a metal block, which is provided with fixing needle fixing holes 14 that are parallel to each other and match with the size and number of the fixing needles 12, the fixing needles 12 are fixedly connected with the fixing block 11 through the fixing needle fixing holes 14, and cannot generate relative displacement when in use in an operation, and meanwhile, the fixing needles 12 penetrate through the fixing needle fixing holes 14 and are used for being fixed on an object of a bone operation during the operation. Similarly, the adjusting bolt 13 is fixedly connected to the fixed block 11, and cannot be displaced relative to the fixed block during use. The fixing block 11 of the fixing mechanism 1 is further provided with a moving needle hole 15, and in the present embodiment, the moving needle hole 15 is located at the midpoint of the line connecting the centers of the two fixing needle fixing holes 14 and is parallel to the fixing needle fixing holes 14, but the positional relationship between the moving needle hole 15 and the fixing needle fixing holes 14 or the number of the moving needle holes 15 and/or the fixing needle fixing holes 14 may be adjusted depending on the condition of the bone to be treated.
As shown in fig. 2 and 3, the transfer mechanism 2 includes a transfer block 21, one transfer pin 22, and a bolt hole 23. The moving block 21 is also a metal block with the same size, the moving block 21 is provided with a moving needle fixing hole 24 matching with the diameter of the moving needle 22, the moving needle 22 can pass through the moving needle fixing hole 24 and is fixedly connected with the moving block 21, so that the relative displacement can not be generated during the operation. In this embodiment, the transfer pins 22 are fixed in the transfer pin fixing holes 24 by a bolt perpendicular to the transfer pin fixing holes 24. The diameter of the moving needle 22 is matched with the diameter of the moving needle hole 15 on the fixing mechanism 1, and the moving needle 22 passes through the moving needle hole 15 without difficulty, and the moving needle are at least in clearance fit. The moving block 21 is further provided with a fixing needle hole 25 which is matched with the fixing needle 12 in diameter, has the same distance and is parallel to each other, similarly, the fixing needle 12 does not have difficulty in penetrating through the fixing needle hole 25, and the fixing needle 12 and the fixing needle hole 25 are at least in interference fit. Likewise, the bolt hole 23 allows the adjustment bolt 13 to pass through and does not provide an obstruction to the movement of the adjustment bolt 13. The length of the adjusting bolt 13 should be larger than the thickness of the moving block 21 to meet the operation requirement.
The adjusting nut 3 is screwed on the adjusting bolt 13, is positioned between the fixed block 11 and the moving block 21, and is in contact with the moving block 21. The positioning nut 4 is positioned on the other side of the transfer block 21, and is similarly connected to the adjusting bolt 13 passing through the bolt hole 23, and the transfer block 21 is positioned between the adjusting nut 3 and the positioning nut 4.
In order to further understand the technical scheme disclosed by the utility model, the use method of the specific embodiment applied to small animal surgery is disclosed.
The method comprises the following steps: the distance of the fixing pin fixing hole 14 is selected according to the length of the bone to be operated.
Step two: according to the position to be moved of the operation object, the moving needle hole 15 with the proper position is selected. According to the results of step one and step two, the fixation mechanism 1 to be used for the operation can be determined.
And step three, inserting the fixing needle 12 on the fixing mechanism 1 into the operation object and fixing the operation object to the bone.
And step four, mounting the adjusting nut 3 on the adjusting bolt 13 on the fixing mechanism 1, aligning the fixing pin hole 25 on the moving mechanism with the mutually parallel fixing pin 12 and bolt hole 23, inserting the adjusting bolt 13, and screwing the positioning nut 4 on the adjusting bolt 13.
And step five, placing the moving needle 22 into the operation object to fix the operation object with the position of the bone to be moved.
Step six, the adjusting nut 3 is rotated in the direction away from the fixing mechanism 1, and a tool such as a wrench is used, so that the adjusting nut 3 drives the moving needle 22 fixed on the moving block 21 to move through the moving block 21, and the bone position of the operation object needing to be moved is displaced.
Although the adjusting nut 3 and the adjusting bolt 13 are used as a displacement adjusting mechanism, although there is a precise advantage, there is inconvenience in operation, and according to the above disclosed principle and using method, other structures with the same or similar functions, such as a sliding rod mechanism, or assisted by power drive such as electric drive, pneumatic drive, etc., can be used instead according to actual needs, and the purpose of the invention can also be achieved.
The fixing pins 12 are fixed in the fixing pin fixing holes 14 or the moving pins are fixed in the moving pin fixing holes 24, and common fixing methods such as interference fit, bolt compression and the like can be adopted.
Claims (10)
1. A moving mechanism for small animal bone surgery, which is characterized by comprising a fixing mechanism, a moving mechanism and an adjusting mechanism,
the fixing mechanism comprises a fixing block, a fixing needle fixing hole and a moving needle hole, wherein the fixing needle is arranged on the fixing block, and the fixing needle can be assembled in the fixing needle fixing hole and is fixedly connected with the fixing block;
the moving mechanism comprises a moving block, a moving needle fixing hole and a fixing needle hole, wherein the moving needle is arranged on the moving block, can be assembled in the moving needle fixing hole and is fixedly connected with the moving block;
the fixed needle hole is in movable connection with the fixed needle hole shaft, and the moving needle hole is in movable connection with the moving needle;
one end of the adjusting mechanism is fixed on the fixing mechanism, and the other end of the adjusting mechanism is connected with the moving mechanism, so that the moving mechanism can move by taking the fixing needle as a guide rail.
2. The small animal bone surgical movement mechanism of claim 1, wherein the adjustment mechanism includes an adjustment bolt fixed to the fixed block, and an adjustment nut located between the fixed block and the movement block and screwed onto the adjustment bolt.
3. The small animal bone surgical movement mechanism of claim 2, wherein the adjustment mechanism includes a positioning nut and the adjustment nut is located at both ends of the movement block.
4. The small animal bone surgical handling mechanism of claim 1, wherein the fixing pin hole is at least a clearance fit with the fixing pin and the hole axis.
5. The small animal bone surgery movement mechanism of claim 1, wherein the movement needle hole and the movement needle are at least in clearance fit with each other.
6. The small animal bone surgical transport mechanism of claim 1, wherein the number of the fixing pins is at least two.
7. The small animal bone surgery movement mechanism as recited in claim 1, wherein the number of the fixing pin fixing holes and the number of the fixing pin holes are both greater than or equal to the number of the fixing pins.
8. The small animal bone surgery movement mechanism of claim 7 wherein the fixation pin fixation holes and the fixation pin holes are parallel to each other.
9. The small animal bone surgery movement mechanism according to claim 7 or 8, characterized in that the number of the fixing needle holes is at least two, and the center of the movement needle hole is arranged on the central connecting line of two of the fixing needle holes.
10. The small animal bone surgery movement mechanism according to claim 1, characterized in that the fixed block and the movement block are both columns, and the bottom surfaces are equal in area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220302485.XU CN217409042U (en) | 2022-02-15 | 2022-02-15 | Moving mechanism for small animal bone surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220302485.XU CN217409042U (en) | 2022-02-15 | 2022-02-15 | Moving mechanism for small animal bone surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217409042U true CN217409042U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220302485.XU Active CN217409042U (en) | 2022-02-15 | 2022-02-15 | Moving mechanism for small animal bone surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217409042U (en) |
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2022
- 2022-02-15 CN CN202220302485.XU patent/CN217409042U/en active Active
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