CN220158455U - Miniature retractor device for rat brain surgery - Google Patents
Miniature retractor device for rat brain surgery Download PDFInfo
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- CN220158455U CN220158455U CN202321453774.0U CN202321453774U CN220158455U CN 220158455 U CN220158455 U CN 220158455U CN 202321453774 U CN202321453774 U CN 202321453774U CN 220158455 U CN220158455 U CN 220158455U
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- 210000004556 brain Anatomy 0.000 title claims abstract description 39
- 238000001356 surgical procedure Methods 0.000 title claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims abstract description 41
- 241000700159 Rattus Species 0.000 claims 8
- 239000003814 drug Substances 0.000 abstract description 7
- 229940079593 drug Drugs 0.000 abstract 1
- 235000013372 meat Nutrition 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 208000027089 Parkinsonian disease Diseases 0.000 description 3
- 206010034010 Parkinsonism Diseases 0.000 description 3
- 208000018737 Parkinson disease Diseases 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 208000024827 Alzheimer disease Diseases 0.000 description 1
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 206010006100 Bradykinesia Diseases 0.000 description 1
- 208000006083 Hypokinesia Diseases 0.000 description 1
- 206010071390 Resting tremor Diseases 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 230000005978 brain dysfunction Effects 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000003748 differential diagnosis Methods 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 210000002418 meninge Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002569 neuron Anatomy 0.000 description 1
- DIVDFFZHCJEHGG-UHFFFAOYSA-N oxidopamine Chemical compound NCCC1=CC(O)=C(O)C=C1O DIVDFFZHCJEHGG-UHFFFAOYSA-N 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229940080817 rotenone Drugs 0.000 description 1
- JUVIOZPCNVVQFO-UHFFFAOYSA-N rotenone Natural products O1C2=C3CC(C(C)=C)OC3=CC=C2C(=O)C2C1COC1=C2C=C(OC)C(OC)=C1 JUVIOZPCNVVQFO-UHFFFAOYSA-N 0.000 description 1
- 210000003523 substantia nigra Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to a micro drag hook device for rat brain surgery, which comprises a base, a height adjusting part, a driving part and a hook claw; the height adjusting piece and the driving piece are symmetrical relative to the width direction of the base, the driving piece is movably connected with the base through the height adjusting piece, and the claw is specifically positioned on the driving piece; the driving piece comprises a horizontal screw rod, a bearing, a connecting rod and a guide rod; the hook claw is specifically positioned at the end part of the connecting rod, the other end part of the connecting rod is movably connected with the horizontal screw rod through a bearing, the horizontal screw rod penetrates through the height adjusting piece, and the hook claw is connected with the height adjusting piece through a guide rod; the mounting plate is movably connected with the base through a vertical screw rod, a guide piece and a support piece; the two ends of the base are provided with protruding blocks. The utility model provides a miniature retractor device for rat brain surgery, which ensures that the distance between the separated skin and flesh on the rat brain bag is enough large, and is convenient for operators to inject medicines into the rat brain bag.
Description
Technical Field
The utility model relates to the field of rat brain surgery retractor, in particular to a miniature retractor device for rat brain surgery.
Background
Parkinson's disease is the second most common degenerative brain dysfunction next to alzheimer's disease, with typical symptoms of resting tremor, bradykinesia, and dysposture; compared with the increasingly serious disease trend, no ideal treatment method exists for the parkinsonism at present, most treatment methods focus on improving symptoms, and no medicine can protect neurons and reverse disease processes; meanwhile, due to the fact that brain pathology biopsy is difficult and low in feasibility, gold standards with practical significance for early and differential diagnosis of the parkinsonism are lacking; therefore, more researches are urgently needed to find a novel diagnosis and treatment method for effectively treating the parkinsonism; currently, in preclinical studies of parkinson's disease, injection of 6-OHDA or rotenone into the substantia nigra striata region by stereotactic operation of the rat brain is a recognized, relatively ideal model-making modality.
The skin and the meat of the rat brain bag are required to be kept in a separated state in the operation process, so that the injection of the medicine into the rat brain bag in the operation process is facilitated; because the rat brain bag is small, the distance between the skin and the meat of the rat brain bag in a separated state is still relatively short, and the injection of the medicine into the rat brain bag is inconvenient.
Disclosure of Invention
The purpose of the utility model is that: provides a miniature retractor device for rat brain surgery, which solves the problems.
In order to achieve the above object, the present utility model provides the following technical solutions:
a miniature retractor device for rat brain surgery comprises a base, a height-adjusting part, a driving part and a claw; the height adjusting piece and the driving piece are symmetrical relative to the width direction of the base, the driving piece is movably connected with the base through the height adjusting piece, and the claw is specifically positioned on the driving piece;
the driving piece comprises a horizontal screw rod, a bearing, a connecting rod and a guide rod; the hook claw is specifically positioned at the end part of the connecting rod, the other end part of the connecting rod is movably connected with the horizontal screw rod through a bearing, the horizontal screw rod penetrates through the height adjusting piece, and the hook claw is connected with the height adjusting piece through a guide rod;
the height adjusting piece comprises a vertical screw rod, a mounting plate, a guide piece and a support piece, wherein the mounting plate is movably connected with the base through the vertical screw rod, the guide piece and the support piece;
the two ends of the base are provided with protruding blocks.
Further, the horizontal screw rod is in threaded connection with the mounting plate, and the connecting rod is movably connected with the horizontal screw rod through a bearing inside the end part of the horizontal screw rod.
Further, the claw is fixedly connected with the other end of the connecting rod, and the guide rod penetrates through the extending plate above the claw.
Further, the end part of the guide rod is fixedly connected with the mounting plate, and the guide rod is positioned above the claw.
Further, the smooth portion of the vertical screw rod penetrates through the mounting plate, and the guide piece penetrates through the mounting plate.
Further, the threaded part of the vertical screw rod is in threaded connection with the extending block of the base.
Further, the support is located outside the guide and the vertical screw, and the support is located between the mounting plate and the base.
Further, the support is in particular a spring, which is separate from the guide and the vertical screw.
The beneficial effects of the utility model are as follows: the miniature retractor device for the rat brain surgery is characterized in that the miniature retractor device is matched with a base, a heightening part, a driving part, a claw, a horizontal screw, a bearing, a connecting rod and a guide rod, so that the effect that the claw is used for hooking skin and meat and the separated skin and meat is pulled to enable the distance between the separated skin and meat to reach a required value in the process of injecting the medicine into the rat brain is achieved, the distance between the separated skin and meat on the rat brain is enough, and an operator can conveniently inject the medicine into the rat brain.
Drawings
Fig. 1 is an isometric view of the whole structure of a micro retractor device for rat brain surgery.
Fig. 2 is an isometric view of another overall structure of a micro drag hook device for rat brain surgery in accordance with the present utility model.
Fig. 3 is a front view showing the overall structure of a micro-drag hook device for rat brain surgery in accordance with the present utility model.
In the figure: 1. a base; 2. a height-adjusting piece; 3. a mounting plate; 4. a vertical screw; 5. a guide member; 6. a support; 7. a driving member; 8. a claw; 9. a horizontal screw; 10. a bearing; 11. a connecting rod; 12. a guide rod.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 3, a micro retractor device for rat brain surgery comprises a base 1, a height adjusting member 2, a driving member 7 and a claw 8; the height-adjusting piece 2 and the driving piece 7 are symmetrical with respect to the width direction of the base 1, the driving piece 7 is movably connected with the base 1 through the height-adjusting piece 2, the height-adjusting piece 2 is used for adjusting the height of the claw 8, the driving piece 7 is used for adjusting the position of the claw 8 in the horizontal direction, the claw 8 is specifically positioned on the driving piece 7, the claw 8 is used for hooking the cut skin and meat on the brain of a rat, and pulling the cut skin and meat away from each other;
the driving piece 7 comprises a horizontal screw rod 9, a bearing 10, a connecting rod 11 and a guide rod 12; the hook claw 8 is specifically positioned at the end part of the connecting rod 11, the other end part of the connecting rod 11 is movably connected with the horizontal screw rod 9 through a bearing 10, the horizontal screw rod 9 penetrates through the height adjusting piece 2, the hook claw 8 is connected with the height adjusting piece 2 through a guide rod 12 and is used for ensuring that the connecting rod 11 does not rotate along with the horizontal screw rod 9 when an operator rotates the horizontal screw rod 9 and only does the connecting rod 11 linearly move in the horizontal direction;
the height adjusting piece 2 comprises a vertical screw 4, a mounting plate 3, a guide piece 5 and a support piece 6, wherein the mounting plate 3 is movably connected with the base 1 through the vertical screw 4, the guide piece 5 and the support piece 6;
the two ends of the base 1 are provided with protruding blocks.
The horizontal screw rod 9 is in threaded connection with the mounting plate 3, and the connecting rod 11 is movably connected with the horizontal screw rod 9 through a bearing 10 in the end part of the horizontal screw rod 9, so that the connecting rod 11 can be prevented from rotating along with the horizontal screw rod 9.
The claw 8 is fixedly connected with the other end of the connecting rod 11 and used for ensuring that the claw 8 moves synchronously with the connecting rod 11, and the guide rod 12 penetrates through the extending plate above the claw 8 and is used for guiding the claw 8.
The end of the guide rod 12 is fixedly connected with the mounting plate 3, and the guide rod 12 is positioned above the claw 8.
The smooth portion of vertical screw rod 4 link up mounting panel 3 for ensure when vertical screw rod 4 is rotatory, the tip of vertical screw rod 4 can press mounting panel 3 to base 1 motion, guide 5 link up mounting panel 3 for play the guide effect to mounting panel 3.
The thread part of the vertical screw 4 is in threaded connection with the extending block of the base 1, and is used for ensuring that when the vertical screw 4 is rotated, the vertical screw 4 moves towards the base 1 while rotating, so that the mounting plate 3 is pressed to move towards the base 1, and the hook claw 8 is driven to move towards the base 1.
The support 6 is located outside the guide 5 and the vertical screw 4, and the support 6 is located between the mounting plate 3 and the base 1 for pushing the mounting plate 3 into contact with the nut portion of the vertical screw 4.
The support 6 is in particular a spring, the support 6 being separate from the guide 5 and the vertical screw 4.
The working principle of the utility model is as follows: firstly, placing a miniature retractor device for rat brain opening operation on an animal operation table, fixing the rat on the animal operation table after anesthesia, then placing a rat brain stereotactic instrument to fix the rat, regulating the height of the rat by lifting a rotary rod of the animal operation table when the claw 8 is positioned at two sides of a rat brain bag, keeping the skull exposed by using the retractor device after cutting the skin and the meninges on the skull of the rat, regulating the positions of a height regulating part 2 and a driving part 7 in the process, ensuring that the claw 8 can contact with the skin and the meat cut on the rat brain bag, then regulating the driving part 7 again by an operator, pulling the claw 8 away from the brain bag of the rat by rotating a horizontal screw 9, rotating the horizontal screw 9 on a mounting plate 3, simultaneously rotating a connecting rod 11 in a bearing 10, simultaneously starting to keep the two claws 8 away from each other, continuously pulling an extending plate above the claw 10 on a guide rod 12 in the process, keeping the skin and the meat on the rat brain bag away from each other, thereby facilitating the operator to carry out medicine injection on the rat brain bag, and stopping the horizontal screw 9 when the operator rotates, and stopping the injection of the rat brain bag; when the treatment is completed, the operator reversely rotates the horizontal screw 9 to enable the two claws 8 contacted with the rat skin and meat to approach each other, so that the skin and meat on the rat brain is loosened, then the operator adjusts the vertical screw 4 again, the operator continuously rotates the vertical screw 4, the mounting plate 3 is continuously far away from the base 1 under the pushing of the supporting piece 6, in the process, the claws 8 are far away from the skin and meat on the rat brain, so that the skin and meat on the rat brain is loosened, and the work is finished.
The above examples are provided to further illustrate the utility model and do not limit the utility model to these specific embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be construed as being within the protection scope of the present utility model.
Claims (8)
1. The utility model provides a miniature drag hook device of rat open brain operation which characterized in that: comprises a base (1), a height-adjusting piece (2), a driving piece (7) and a claw (8); the height adjusting piece (2) and the driving piece (7) are symmetrical with respect to the width direction of the base (1), the driving piece (7) is movably connected with the base (1) through the height adjusting piece (2), and the hook claw (8) is specifically positioned on the driving piece (7);
the driving piece (7) comprises a horizontal screw rod (9), a bearing (10), a connecting rod (11) and a guide rod (12); the hook claw (8) is specifically positioned at the end part of the connecting rod (11), the other end part of the connecting rod (11) is movably connected with the horizontal screw rod (9) through a bearing (10), the horizontal screw rod (9) penetrates through the height adjusting piece (2), and the hook claw (8) is connected with the height adjusting piece (2) through a guide rod (12);
the height adjusting piece (2) comprises a vertical screw (4), a mounting plate (3), a guide piece (5) and a support piece (6), wherein the mounting plate (3) is movably connected with the base (1) through the vertical screw (4), the guide piece (5) and the support piece (6);
the two ends of the base (1) are provided with protruding blocks.
2. The miniature retractor device for open surgery on rats of claim 1, wherein: the horizontal screw rod (9) is in threaded connection with the mounting plate (3), and the connecting rod (11) is movably connected with the horizontal screw rod (9) through a bearing (10) in the end part of the horizontal screw rod (9).
3. The miniature retractor device for open surgery on rats of claim 1, wherein: the hook claw (8) is fixedly connected with the other end of the connecting rod (11), and the guide rod (12) penetrates through the extending plate above the hook claw (8).
4. A micro retractor device for rat brain surgery according to claim 3, wherein: the end part of the guide rod (12) is fixedly connected with the mounting plate (3), and the guide rod (12) is positioned above the hook claw (8).
5. The miniature retractor device for open surgery on rats of claim 1, wherein: the smooth part of the vertical screw rod (4) penetrates through the mounting plate (3), and the guide piece (5) penetrates through the mounting plate (3).
6. The miniature retractor device for open surgery on rats of claim 5, wherein: the thread part of the vertical screw rod (4) is in threaded connection with the extending block of the base (1).
7. The miniature retractor device for open surgery on rats of claim 1, wherein: the support piece (6) is positioned outside the guide piece (5) and the vertical screw rod (4), and the support piece (6) is positioned between the mounting plate (3) and the base (1).
8. The miniature retractor device for open surgery on rats of claim 7, wherein: the support (6) is in particular a spring, the support (6) being separate from the guide (5) and the vertical screw (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453774.0U CN220158455U (en) | 2023-06-08 | 2023-06-08 | Miniature retractor device for rat brain surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321453774.0U CN220158455U (en) | 2023-06-08 | 2023-06-08 | Miniature retractor device for rat brain surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220158455U true CN220158455U (en) | 2023-12-12 |
Family
ID=89052595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321453774.0U Active CN220158455U (en) | 2023-06-08 | 2023-06-08 | Miniature retractor device for rat brain surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220158455U (en) |
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2023
- 2023-06-08 CN CN202321453774.0U patent/CN220158455U/en active Active
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