CN213724494U - Instrument for assisting small-sized experimental animal in radiotherapy - Google Patents
Instrument for assisting small-sized experimental animal in radiotherapy Download PDFInfo
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- CN213724494U CN213724494U CN202022569592.2U CN202022569592U CN213724494U CN 213724494 U CN213724494 U CN 213724494U CN 202022569592 U CN202022569592 U CN 202022569592U CN 213724494 U CN213724494 U CN 213724494U
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Abstract
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel for placing experimental animals, and a push rod arranged in the cylindrical barrel for fixing the position of a mouse; the device is characterized in that the diameter of the cylindrical barrel is consistent with that of a coiled experimental animal, a push plate is arranged at the front end of a push rod, a locking structure for locking the entering position of the push rod is arranged, a covering structure which can form and adjust the position and the size of an exposed area and can effectively block the radiotherapy rays of a non-exposed area is arranged on the outer side of the cylindrical barrel, and the exposed area corresponds to the position of a radiotherapy target area; the front end face of the cylindrical barrel is provided with a vent hole for ensuring the forward movement of the push rod and the flow of gas. Can effectually fix experimental animal to a cylindricality section of thick bamboo in through this apparatus, fix experimental animal in a cylindricality section of thick bamboo with the help of the push pedal and the dead structure of lock of push rod front end, adjust to expose regional position and the position of radiotherapy target area and correspond, carry out radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
Description
Technical Field
The utility model belongs to the technical field of auxiliary instrument for the biological assay, concretely relates to be an assist apparatus for the radiotherapy of small-size experimental animals.
Background
Many operations or medicine all need advanced action thing experiment before clinical development uses, especially the research to tumour medicine now is very common, the animal experiment that corresponds is also very many, after the carcinogenesis takes place for induced experimental animal tissue, need carry out the radiotherapy to experimental animal's canceration tissue under a lot of circumstances, for guaranteeing the accurate radiotherapy to the radiotherapy target area, need expose experimental animal skin in advance, and just can implement after carrying out strong fixed to using the animal, but present experimental animal is mostly the mouse, the mouse is less, fixed the degree of difficulty is big, and cause the injury to experimental animal easily, the deviation also appears easily in the location of target area.
Therefore, an instrument which can effectively fix and use the animal and accurately expose the target area of the radiotherapy is needed to assist the experimental animal in completing the radiotherapy.
The utility model discloses when handling to the radiotherapy of toy among the prior art, fixed degree of difficulty is big, and the unsafe problem in radiotherapy target area location provides an assist apparatus for the radiotherapy of small-size experimental animal.
SUMMERY OF THE UTILITY MODEL
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel for placing experimental animals, and a push rod arranged in the cylindrical barrel for fixing the position of a mouse; the device is characterized in that the diameter of the cylindrical barrel is consistent with that of a coiled experimental animal, a push plate is arranged at the front end of a push rod, a locking structure for locking the entering position of the push rod is arranged, a covering structure which can form and adjust the position and the size of an exposed area and can effectively block the radiotherapy rays of a non-exposed area is arranged on the outer side of the cylindrical barrel, and the exposed area corresponds to the position of a radiotherapy target area; the front end face of the cylindrical barrel is provided with a vent hole for ensuring the forward movement of the push rod and the flow of gas. Can effectually fix experimental animal to a cylindricality section of thick bamboo in through this apparatus, fix experimental animal in a cylindricality section of thick bamboo with the help of the push pedal and the dead structure of lock of push rod front end, adjust to expose regional position and the position of radiotherapy target area and correspond, carry out radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
Furthermore, the central part of the push rod is provided with a longitudinal hole which penetrates through the whole push rod, and the smoothness of the air flow can be further ensured by increasing the arrangement of the longitudinal hole.
Furthermore, a plurality of vent holes are circumferentially arrayed on the front end face of the cylindrical barrel, a plurality of vent holes are also circumferentially arrayed on the side wall of the front end of the cylindrical barrel, and the vent holes cannot be covered when the covering structure is arranged. This kind of setting guarantees the air permeability when experimental animals radiotherapy, can also guarantee the discharge of the excrement and urine waste when radiotherapy, prevents to cause discomfort to experimental animals and influences its stable state.
Further, the covering structure comprises two transverse adjusting rings sleeved outside the cylindrical barrel and a longitudinal adjusting ring with a longitudinal notch, wherein the longitudinal adjusting ring is arranged outside the transverse adjusting rings; the position of two horizontal adjustable rings reaches the distance between and is adjustable, and the size and the position of the vertical breach of vertical adjustable ring are adjustable, reaches the position that covers the ring at experimental animals radiotherapy target area place through adjusting the position and the distance of two horizontal adjustable rings, and the back is through the vertical breach of the vertical adjustable ring of adjustment to the corresponding position of radiotherapy target area, and horizontal adjustable ring and vertical adjustable ring form a rectangle that aims at the radiotherapy target area like this and expose the region, and the accurate radiotherapy of later implementation radiotherapy is carried out.
Furthermore, the longitudinal adjusting ring is an elastic adjusting ring, and different supporting structures for ensuring the longitudinal opening are arranged on the inner side of the longitudinal adjusting ring; the size of the longitudinal opening of the adjusting ring is adjusted by arranging a small support at the inner side of the longitudinal adjusting ring.
Or the longitudinal adjusting ring comprises two sections of sleeved arc-shaped plates, namely an insertion plate and a receiving plate, the receiving plate is provided with an arc-shaped hole for the insertion plate to enter, the insertion plate is inserted into the arc-shaped hole, and the size of the longitudinal opening is adjusted through the difference of angles of the insertion plate entering the arc-shaped hole.
Further, an operation protrusion for facilitating an operation is provided at an edge of the insertion plate.
Furthermore, a locking structure for locking the entering position of the inserting plate is arranged on the outer side of the bearing plate, specifically a locking screw, and the locking of the opening size can be well realized through the locking of the position.
Furthermore, the transverse adjusting ring is tightly attached to the cylindrical barrel, and the position and the distance between the two are manually and forcibly adjusted before the operation, so that the gap ring formed by the two comprises a radiotherapy target area.
Furthermore, the outside of the longitudinal adjusting ring is also provided with a locking screw which can lock the relative position of the transverse adjusting ring and the longitudinal adjusting ring, and the arrangement can ensure the stability of the exposed area.
Furthermore, a locking structure is arranged on the push plate in front of the push rod, and the locking structure is a locking piston on the push plate. The locking of the push rod position is realized through a piston structure.
Or the locking structure comprises corresponding screw structures arranged at the rear end of the push rod and on the cylindrical barrel, the inner diameter of the cylindrical barrel screw region is larger than the diameter of the push plate, and the difference between the inner diameter of the cylindrical barrel and the diameter of the push plate is smaller than 3 mm; the screw is rotated to realize position adjustment and locking, and the push plate can be guaranteed to be taken out from the cylindrical barrel and placed into an experimental animal.
Furthermore, in order to ensure that the experimental animal is not rotationally damaged in the downward moving process of the push plate, the push rod is divided into two parts, one part is a push plate section, and the other part is a screw section; the push plate section and the screw section are provided with a corresponding rotating ring and a corresponding rotating groove, and the rotating ring is arranged in the rotating groove; through setting up rotatory ring and swivelling chute, can guarantee to lie in the experimental animals and contact the back, the push pedal only takes place to move down and does not take place rotary motion.
Further, a waste accommodating groove is formed at the foremost end of the cylindrical barrel.
Further, the waste holding tank comprises a tank body with the size consistent with the outer diameter of the cylindrical barrel, a support column extending into a central small hole in the front end face of the cylindrical barrel is arranged in the middle of the tank body, and the central small hole is a hole for not observing the front end face of the cylindrical barrel; the side wall of the tank body is provided with the vent hole, so that the vent is not influenced when the accommodating tank is arranged.
Further, a replaceable liquid absorbing sponge is arranged in the waste accommodating tank.
Further, the bottom of the waste accommodating groove is provided with a bottom plate with a large size, so that the stability of the structure after placement is ensured.
Compare with the fixed apparatus of prior art's laboratory animal radiotherapy, the utility model discloses an apparatus, fixed animal is simple and convenient, and the radiotherapy target region that exposes that can be fine, and expose regional convenient regulation, whole structural design is reasonable, and the realization that can be fine is promoted in each tumour research laboratory.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention in which the longitudinal adjustment ring is an elastic adjustment ring;
FIG. 2 is a schematic longitudinal sectional view of an embodiment of the adjustable ring of the present invention, wherein the adjustable ring is an elastic adjustable ring;
FIG. 3 is a schematic view of the covering structure of the adjustable ring of the present invention;
FIG. 4 is a schematic view of the overall structure of the longitudinal adjustment ring of the present invention including the insertion plate and the receiving plate;
FIG. 5 is a schematic longitudinal sectional view of an embodiment of the longitudinal adjustment ring of the present invention including an insert plate and a receiving plate;
FIG. 6 is a schematic diagram of the structure of the receiving plate of the present invention;
figure 7 is a schematic view of the waste chute portion of the present invention;
in the figure, 1, a cylindrical barrel; 11. a vent hole; 2. a push rod; 21. a longitudinal bore; 3. pushing the plate; 31. locking the piston; 32. a pusher section; 33. a screw section; 34. a rotating ring; 35. a rotating tank; 41. an exposed region; 42. a transverse adjusting ring; 43. a longitudinal adjustment ring; 44. an insert plate; 45. a bearing plate; 46. an arc-shaped hole; 47. an operation process; 5. locking the screw; 6. a waste holding tank; 61. a support column; 62. a central aperture; 63. An absorbent sponge.
Detailed Description
EXAMPLE 1 Instrument for assisting radiotherapy of Small laboratory animals
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel 1 for placing experimental animals, and a push rod 2 arranged in the cylindrical barrel 1 for fixing a mouse; the diameter of the cylindrical barrel 1 is consistent with that of a coiled experimental animal, the front end of the push rod 2 is provided with the push plate 3, a locking structure for locking the entering position of the push rod 2 is arranged, the outer side of the cylindrical barrel 1 is provided with a covering structure which can form, adjust the position of an exposed area 41 and the size of the exposed area 41 and effectively block the radiotherapy rays of a non-exposed area 41, and the exposed area 41 corresponds to the position of a radiotherapy target area; the front end surface of the cylindrical barrel 1 is provided with a vent hole 11 for ensuring the forward movement of the push rod 2 and the gas flow; set up the longitudinal hole 21 that runs through whole push rod 2 in the central authorities of push rod 2, can be effectual fix the experimental animals to a cylindricality section of thick bamboo 1 in through this apparatus, fix the experimental animals in a cylindricality section of thick bamboo 1 with the help of the push pedal 3 and the dead structure of lock of push rod 2 front end, adjust and expose regional 41 positions and the position of radiotherapy target area and correspond, carry out the radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
The covering structure comprises two transverse adjusting rings 42 sleeved outside the cylindrical barrel 1 and a longitudinal adjusting ring 43 with a longitudinal notch and arranged outside the transverse adjusting rings 42; the positions of the two transverse adjusting rings 42 and the distance between the two transverse adjusting rings are adjustable, the size and the position of the longitudinal gap of the longitudinal adjusting ring 43 are adjustable, the position of the ring where the target area of the radiotherapy of the experimental animal is covered is reached by adjusting the positions and the distance of the two transverse adjusting rings 42, and then the longitudinal gap of the longitudinal adjusting ring 43 is adjusted to the corresponding position of the target area of the radiotherapy, so that the transverse adjusting rings 42 and the longitudinal adjusting ring 43 form a rectangular exposure area 41 which is aligned with the target area of the radiotherapy, and the accurate radiotherapy is implemented later.
The longitudinal adjusting ring 43 is an elastic adjusting ring, and different supporting structures for ensuring the longitudinal opening are arranged on the inner side of the longitudinal adjusting ring 43; the size of its longitudinal opening is adjusted by providing a small support inside the longitudinal adjustment ring 43.
The transverse adjusting ring 42 is tightly attached to the cylindrical barrel 1, and the position and the distance between the two are manually adjusted by force before operation, so that the gap ring formed by the two contains a radiotherapy target area.
The locking screw 5 capable of locking the relative position of the transverse adjusting ring 42 and the longitudinal adjusting ring 43 is arranged outside the longitudinal adjusting ring 43, and the arrangement can ensure the stability of the exposed area 41.
The push plate 3 in front of the push rod 2 is provided with a locking structure, and the locking structure is a locking piston 31 on the push plate 3. The locking of the position of the push rod 2 is realized through a piston structure.
Example 2 an apparatus for assisting radiotherapy of small experimental animals
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel 1 for placing experimental animals, and a push rod 2 arranged in the cylindrical barrel 1 for fixing a mouse; the diameter of the cylindrical barrel 1 is consistent with that of a coiled experimental animal, the front end of the push rod 2 is provided with the push plate 3, a locking structure for locking the entering position of the push rod 2 is arranged, the outer side of the cylindrical barrel 1 is provided with a covering structure which can form, adjust the position of an exposed area 41 and the size of the exposed area 41 and effectively block the radiotherapy rays of a non-exposed area 41, and the exposed area 41 corresponds to the position of a radiotherapy target area; the front end surface of the cylindrical barrel 1 is provided with a vent hole 11 for ensuring the forward movement of the push rod 2 and the gas flow; set up the longitudinal hole 21 that runs through whole push rod 2 in the central authorities of push rod 2, can be effectual fix the experimental animals to a cylindricality section of thick bamboo 1 in through this apparatus, fix the experimental animals in a cylindricality section of thick bamboo 1 with the help of the push pedal 3 and the dead structure of lock of push rod 2 front end, adjust and expose regional 41 positions and the position of radiotherapy target area and correspond, carry out the radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
A plurality of vent holes 11 are circumferentially arrayed on the front end surface of the cylindrical barrel 1, a plurality of vent holes 11 are also circumferentially arrayed on the side wall of the front end of the cylindrical barrel 1, and the vent holes 11 are not covered when a covering structure is arranged. This kind of setting guarantees the air permeability when experimental animals radiotherapy, can also guarantee the discharge of the excrement and urine waste when radiotherapy, prevents to cause discomfort to experimental animals and influences its stable state.
The covering structure comprises two transverse adjusting rings 42 sleeved outside the cylindrical barrel 1 and a longitudinal adjusting ring 43 with a longitudinal notch and arranged outside the transverse adjusting rings 42; the positions of the two transverse adjusting rings 42 and the distance between the two transverse adjusting rings are adjustable, the size and the position of the longitudinal gap of the longitudinal adjusting ring 43 are adjustable, the position of the ring where the target area of the radiotherapy of the experimental animal is covered is reached by adjusting the positions and the distance of the two transverse adjusting rings 42, and then the longitudinal gap of the longitudinal adjusting ring 43 is adjusted to the corresponding position of the target area of the radiotherapy, so that the transverse adjusting rings 42 and the longitudinal adjusting ring 43 form a rectangular exposure area 41 which is aligned with the target area of the radiotherapy, and the accurate radiotherapy is implemented later.
The longitudinal adjusting ring 43 is an elastic adjusting ring, and different supporting structures for ensuring the longitudinal opening are arranged on the inner side of the longitudinal adjusting ring 43; the size of its longitudinal opening is adjusted by providing a small support inside the longitudinal adjustment ring 43.
The transverse adjusting ring 42 is tightly attached to the cylindrical barrel 1, and the position and the distance between the two are manually adjusted by force before operation, so that the gap ring formed by the two contains a radiotherapy target area.
The locking screw 5 capable of locking the relative position of the transverse adjusting ring 42 and the longitudinal adjusting ring 43 is arranged outside the longitudinal adjusting ring 43, and the arrangement can ensure the stability of the exposed area 41.
The push plate 3 in front of the push rod 2 is provided with a locking structure, and the locking structure is a locking piston 31 on the push plate 3. The locking of the position of the push rod 2 is realized through a piston structure.
EXAMPLE 3 an apparatus for assisting radiotherapy of a small laboratory animal
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel 1 for placing experimental animals, and a push rod 2 arranged in the cylindrical barrel 1 for fixing a mouse; the diameter of the cylindrical barrel 1 is consistent with that of a coiled experimental animal, the front end of the push rod 2 is provided with the push plate 3, a locking structure for locking the entering position of the push rod 2 is arranged, the outer side of the cylindrical barrel 1 is provided with a covering structure which can form, adjust the position of an exposed area 41 and the size of the exposed area 41 and effectively block the radiotherapy rays of a non-exposed area 41, and the exposed area 41 corresponds to the position of a radiotherapy target area; the front end surface of the cylindrical barrel 1 is provided with a vent hole 11 for ensuring the forward movement of the push rod 2 and the gas flow; set up the longitudinal hole 21 that runs through whole push rod 2 in the central authorities of push rod 2, can be effectual fix the experimental animals to a cylindricality section of thick bamboo 1 in through this apparatus, fix the experimental animals in a cylindricality section of thick bamboo 1 with the help of the push pedal 3 and the dead structure of lock of push rod 2 front end, adjust and expose regional 41 positions and the position of radiotherapy target area and correspond, carry out the radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
A plurality of vent holes 11 are circumferentially arrayed on the front end surface of the cylindrical barrel 1, a plurality of vent holes 11 are also circumferentially arrayed on the side wall of the front end of the cylindrical barrel 1, and the vent holes 11 are not covered when a covering structure is arranged. This kind of setting guarantees the air permeability when experimental animals radiotherapy, can also guarantee the discharge of the excrement and urine waste when radiotherapy, prevents to cause discomfort to experimental animals and influences its stable state.
The covering structure comprises two transverse adjusting rings 42 sleeved outside the cylindrical barrel 1 and a longitudinal adjusting ring 43 with a longitudinal notch and arranged outside the transverse adjusting rings 42; the positions of the two transverse adjusting rings 42 and the distance between the two transverse adjusting rings are adjustable, the size and the position of the longitudinal gap of the longitudinal adjusting ring 43 are adjustable, the position of the ring where the target area of the radiotherapy of the experimental animal is covered is reached by adjusting the positions and the distance of the two transverse adjusting rings 42, and then the longitudinal gap of the longitudinal adjusting ring 43 is adjusted to the corresponding position of the target area of the radiotherapy, so that the transverse adjusting rings 42 and the longitudinal adjusting ring 43 form a rectangular exposure area 41 which is aligned with the target area of the radiotherapy, and the accurate radiotherapy is implemented later.
The longitudinal adjusting ring 43 comprises two sections of sleeved arc-shaped plates, namely an insertion plate 44 and a receiving plate 45, an arc-shaped hole 46 for the insertion plate 44 to enter is formed in the receiving plate 45, the insertion plate 44 is inserted into the arc-shaped hole 46, and the size of the longitudinal opening is adjusted through different angles entering the arc-shaped hole 46. An operation protrusion 47 for facilitating an operation is provided at an edge of the insertion plate 44. The outer side of the bearing plate 45 is provided with a locking structure for locking the entering position of the inserting plate 44, specifically a locking screw 5, and the locking of the opening size can be well realized through the position locking.
The transverse adjusting ring 42 is tightly attached to the cylindrical barrel 1, and the position and the distance between the two are manually adjusted by force before operation, so that the gap ring formed by the two contains a radiotherapy target area.
The locking screw 5 capable of locking the relative position of the transverse adjusting ring 42 and the longitudinal adjusting ring 43 is arranged outside the longitudinal adjusting ring 43, and the arrangement can ensure the stability of the exposed area 41.
The push plate 3 in front of the push rod 2 is provided with a locking structure, and the locking structure is a locking piston 31 on the push plate 3. The locking of the position of the push rod 2 is realized through a piston structure.
A waste holding tank 6 is provided at the foremost end of the cylindrical barrel 1. The waste holding tank 6 comprises a tank body with the size consistent with the outer diameter of the cylindrical barrel 1, a support column extending into a central small hole 62 in the front end face of the cylindrical barrel 1 is arranged in the middle of the tank body, and the central small hole 62 is a hole for not observing the front end face of the cylindrical barrel 1; the lateral wall of the tank body is provided with the vent hole 11, so that the vent is not influenced when the accommodating tank is arranged. A replaceable liquid absorbing sponge 63 is provided in the waste holding tank 6. The 6 bottoms of waste holding tank set up the great bottom plate of size, guarantee to place the stability of back structure.
EXAMPLE 4 an apparatus for assisting radiotherapy of a small laboratory animal
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel 1 for placing experimental animals, and a push rod 2 arranged in the cylindrical barrel 1 for fixing a mouse; the diameter of the cylindrical barrel 1 is consistent with that of a coiled experimental animal, the front end of the push rod 2 is provided with the push plate 3, a locking structure for locking the entering position of the push rod 2 is arranged, the outer side of the cylindrical barrel 1 is provided with a covering structure which can form, adjust the position of an exposed area 41 and the size of the exposed area 41 and effectively block the radiotherapy rays of a non-exposed area 41, and the exposed area 41 corresponds to the position of a radiotherapy target area; the front end surface of the cylindrical barrel 1 is provided with a vent hole 11 for ensuring the forward movement of the push rod 2 and the gas flow; set up the longitudinal hole 21 that runs through whole push rod 2 in the central authorities of push rod 2, can be effectual fix the experimental animals to a cylindricality section of thick bamboo 1 in through this apparatus, fix the experimental animals in a cylindricality section of thick bamboo 1 with the help of the push pedal 3 and the dead structure of lock of push rod 2 front end, adjust and expose regional 41 positions and the position of radiotherapy target area and correspond, carry out the radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
A plurality of vent holes 11 are circumferentially arrayed on the front end surface of the cylindrical barrel 1, a plurality of vent holes 11 are also circumferentially arrayed on the side wall of the front end of the cylindrical barrel 1, and the vent holes 11 are not covered when a covering structure is arranged. This kind of setting guarantees the air permeability when experimental animals radiotherapy, can also guarantee the discharge of the excrement and urine waste when radiotherapy, prevents to cause discomfort to experimental animals and influences its stable state.
The covering structure comprises two transverse adjusting rings 42 sleeved outside the cylindrical barrel 1 and a longitudinal adjusting ring 43 with a longitudinal notch and arranged outside the transverse adjusting rings 42; the positions of the two transverse adjusting rings 42 and the distance between the two transverse adjusting rings are adjustable, the size and the position of the longitudinal gap of the longitudinal adjusting ring 43 are adjustable, the position of the ring where the target area of the radiotherapy of the experimental animal is covered is reached by adjusting the positions and the distance of the two transverse adjusting rings 42, and then the longitudinal gap of the longitudinal adjusting ring 43 is adjusted to the corresponding position of the target area of the radiotherapy, so that the transverse adjusting rings 42 and the longitudinal adjusting ring 43 form a rectangular exposure area 41 which is aligned with the target area of the radiotherapy, and the accurate radiotherapy is implemented later.
The longitudinal adjusting ring 43 comprises two sections of sleeved arc-shaped plates, namely an insertion plate 44 and a receiving plate 45, an arc-shaped hole 46 for the insertion plate 44 to enter is formed in the receiving plate 45, the insertion plate 44 is inserted into the arc-shaped hole 46, and the size of the longitudinal opening is adjusted through different angles entering the arc-shaped hole 46. An operation protrusion 47 for facilitating an operation is provided at an edge of the insertion plate 44. The outer side of the bearing plate 45 is provided with a locking structure for locking the entering position of the inserting plate 44, specifically a locking screw 5, and the locking of the opening size can be well realized through the position locking.
The transverse adjusting ring 42 is tightly attached to the cylindrical barrel 1, and the position and the distance between the two are manually adjusted by force before operation, so that the gap ring formed by the two contains a radiotherapy target area.
The locking screw 5 capable of locking the relative position of the transverse adjusting ring 42 and the longitudinal adjusting ring 43 is arranged outside the longitudinal adjusting ring 43, and the arrangement can ensure the stability of the exposed area 41.
The locking structure comprises corresponding screw structures arranged at the rear end of the push rod 2 and on the cylindrical barrel 1, the inner diameter of the screw area of the cylindrical barrel 1 is larger than the diameter of the push plate 3, and the difference between the inner diameter of the cylindrical barrel 1 and the diameter of the push plate 3 is smaller than 3 mm; the adjustment and the locking of position are realized through the screw rotation, and can guarantee that push pedal 3 takes out from cylindrical tube 1 and puts into the experimental animal.
In order to ensure that the push plate 3 does not have rotary damage to the experimental animal in the downward moving process, the push rod 2 is divided into two parts, one part is a push plate section 32, and the other part is a screw section 33; the push plate section 32 and the screw section 33 are provided with a corresponding rotary ring 34 and a corresponding rotary groove 35, and the rotary ring 34 is arranged in the rotary groove 35; by arranging the rotating ring 34 and the rotating groove 35, it can be ensured that the push plate 3 only moves downwards and does not rotate after the experimental animal contacts the experimental animal.
EXAMPLE 5 an apparatus for assisting radiotherapy of a small laboratory animal
An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel 1 for placing experimental animals, and a push rod 2 arranged in the cylindrical barrel 1 for fixing a mouse; the diameter of the cylindrical barrel 1 is consistent with that of a coiled experimental animal, the front end of the push rod 2 is provided with the push plate 3, a locking structure for locking the entering position of the push rod 2 is arranged, the outer side of the cylindrical barrel 1 is provided with a covering structure which can form, adjust the position of an exposed area 41 and the size of the exposed area 41 and effectively block the radiotherapy rays of a non-exposed area 41, and the exposed area 41 corresponds to the position of a radiotherapy target area; the front end surface of the cylindrical barrel 1 is provided with a vent hole 11 for ensuring the forward movement of the push rod 2 and the gas flow; set up the longitudinal hole 21 that runs through whole push rod 2 in the central authorities of push rod 2, can be effectual fix the experimental animals to a cylindricality section of thick bamboo 1 in through this apparatus, fix the experimental animals in a cylindricality section of thick bamboo 1 with the help of the push pedal 3 and the dead structure of lock of push rod 2 front end, adjust and expose regional 41 positions and the position of radiotherapy target area and correspond, carry out the radiotherapy treatment after corresponding, reach the effect of effective fixed back accurate radiotherapy.
A plurality of vent holes 11 are circumferentially arrayed on the front end surface of the cylindrical barrel 1, a plurality of vent holes 11 are also circumferentially arrayed on the side wall of the front end of the cylindrical barrel 1, and the vent holes 11 are not covered when a covering structure is arranged. This kind of setting guarantees the air permeability when experimental animals radiotherapy, can also guarantee the discharge of the excrement and urine waste when radiotherapy, prevents to cause discomfort to experimental animals and influences its stable state.
The covering structure comprises two transverse adjusting rings 42 sleeved outside the cylindrical barrel 1 and a longitudinal adjusting ring 43 with a longitudinal notch and arranged outside the transverse adjusting rings 42; the positions of the two transverse adjusting rings 42 and the distance between the two transverse adjusting rings are adjustable, the size and the position of the longitudinal gap of the longitudinal adjusting ring 43 are adjustable, the position of the ring where the target area of the radiotherapy of the experimental animal is covered is reached by adjusting the positions and the distance of the two transverse adjusting rings 42, and then the longitudinal gap of the longitudinal adjusting ring 43 is adjusted to the corresponding position of the target area of the radiotherapy, so that the transverse adjusting rings 42 and the longitudinal adjusting ring 43 form a rectangular exposure area 41 which is aligned with the target area of the radiotherapy, and the accurate radiotherapy is implemented later.
The longitudinal adjusting ring 43 comprises two sections of sleeved arc-shaped plates, namely an insertion plate 44 and a receiving plate 45, an arc-shaped hole 46 for the insertion plate 44 to enter is formed in the receiving plate 45, the insertion plate 44 is inserted into the arc-shaped hole 46, and the size of the longitudinal opening is adjusted through different angles entering the arc-shaped hole 46. An operation protrusion 47 for facilitating an operation is provided at an edge of the insertion plate 44. The outer side of the bearing plate 45 is provided with a locking structure for locking the entering position of the inserting plate 44, specifically a locking screw 5, and the locking of the opening size can be well realized through the position locking.
The transverse adjusting ring 42 is tightly attached to the cylindrical barrel 1, and the position and the distance between the two are manually adjusted by force before operation, so that the gap ring formed by the two contains a radiotherapy target area.
The locking screw 5 capable of locking the relative position of the transverse adjusting ring 42 and the longitudinal adjusting ring 43 is arranged outside the longitudinal adjusting ring 43, and the arrangement can ensure the stability of the exposed area 41.
The locking structure comprises corresponding screw structures arranged at the rear end of the push rod 2 and on the cylindrical barrel 1, the inner diameter of the screw area of the cylindrical barrel 1 is larger than the diameter of the push plate 3, and the difference between the inner diameter of the cylindrical barrel 1 and the diameter of the push plate 3 is smaller than 3 mm; the adjustment and the locking of position are realized through the screw rotation, and can guarantee that push pedal 3 takes out from cylindrical tube 1 and puts into the experimental animal.
In order to ensure that the push plate 3 does not have rotary damage to the experimental animal in the downward moving process, the push rod 2 is divided into two parts, one part is a push plate section 32, and the other part is a screw section 33; the push plate section 32 and the screw section 33 are provided with a corresponding rotary ring 34 and a corresponding rotary groove 35, and the rotary ring 34 is arranged in the rotary groove 35; by arranging the rotating ring 34 and the rotating groove 35, it can be ensured that the push plate 3 only moves downwards and does not rotate after the experimental animal contacts the experimental animal.
A waste holding tank 6 is provided at the foremost end of the cylindrical barrel 1. The waste holding tank 6 comprises a tank body with the size consistent with the outer diameter of the cylindrical barrel 1, a support column extending into a central small hole 62 in the front end face of the cylindrical barrel 1 is arranged in the middle of the tank body, and the central small hole 62 is a hole for not observing the front end face of the cylindrical barrel 1; the lateral wall of the tank body is provided with the vent hole 11, so that the vent is not influenced when the accommodating tank is arranged. A replaceable liquid absorbing sponge 63 is provided in the waste holding tank 6. The 6 bottoms of waste holding tank set up the great bottom plate of size, guarantee to place the stability of back structure.
The above description of the embodiments is only intended to illustrate the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several modifications can be made to the present invention, and these modifications will fall within the protection scope of the claims of the present invention.
Claims (10)
1. An apparatus for assisting small experimental animal radiotherapy comprises a transparent cylindrical barrel for placing experimental animals, and a push rod arranged in the cylindrical barrel for fixing the position of a mouse; the device is characterized in that the diameter of the cylindrical barrel is consistent with that of a coiled experimental animal, a push plate is arranged at the front end of a push rod, a locking structure for locking the entering position of the push rod is arranged, a covering structure which can form and adjust the position and the size of an exposed area and can effectively block the radiotherapy rays of a non-exposed area is arranged on the outer side of the cylindrical barrel, and the exposed area corresponds to the position of a radiotherapy target area; the front end face of the cylindrical barrel is provided with a vent hole for ensuring the forward movement of the push rod and the flow of gas.
2. The apparatus for assisting irradiation of small laboratory animals according to claim 1, wherein a longitudinal hole is formed through the entire push rod at the center of the push rod.
3. The apparatus for assisting radiotherapy of small experimental animals according to claim 1, wherein a plurality of ventilation holes are circumferentially arrayed on the front end surface of the cylindrical barrel, and a plurality of ventilation holes are also circumferentially arrayed on the side wall of the front end of the cylindrical barrel, and the covering structure is arranged so as not to cover the ventilation holes.
4. The apparatus for assisting radiotherapy of small experimental animals according to claim 1, wherein the covering structure comprises two lateral adjusting rings sleeved outside the cylindrical barrel, and a longitudinal adjusting ring with a longitudinal notch and arranged outside the lateral adjusting rings; the positions and the distance between the two transverse adjusting rings can be adjusted, and the size and the position of a longitudinal notch of the longitudinal adjusting ring can be adjusted.
5. The apparatus for assisting radiotherapy of small experimental animals as claimed in claim 4, wherein the longitudinal adjusting ring is an elastic adjusting ring, different supporting structures for ensuring the longitudinal opening are provided inside the longitudinal adjusting ring, or the longitudinal adjusting ring comprises two sections of sleeved arc-shaped plates, which are respectively an insertion plate and a receiving plate, the receiving plate is provided with an arc-shaped hole for the insertion plate to enter, and the insertion plate is inserted into the arc-shaped hole.
6. The apparatus for assisting radiotherapy of small experimental animal as set forth in claim 5, wherein a locking structure for locking the entrance position of the insertion plate is provided outside the receiving plate.
7. The apparatus for assisting radiotherapy of small experimental animals according to claim 1, wherein the push plate in front of the push rod is provided with a locking structure, and the locking structure is a locking piston on the push plate; or the locking structure comprises corresponding screw structures arranged at the rear end of the push rod and on the cylindrical barrel, the inner diameter of the cylindrical barrel screw region is larger than the diameter of the push plate, and the difference between the inner diameter of the cylindrical barrel and the diameter of the push plate is smaller than 3 mm.
8. The apparatus for assisting radiotherapy of small experimental animal as claimed in claim 7, wherein the push rod is divided into two parts, one part is a push plate section, and the other part is a screw section; the push plate section and the screw section are provided with corresponding rotating rings and rotating grooves, and the rotating rings are arranged in the rotating grooves.
9. An apparatus for assisting radiotherapy of a small laboratory animal according to any one of claims 1 to 8, wherein a waste holding tank is provided at the foremost end of the cylindrical barrel.
10. The apparatus for assisting radiotherapy of small experimental animals as claimed in claim 9, wherein the waste holding tank comprises a tank body having a size consistent with the outer diameter of the cylindrical barrel, a support column extending into the central aperture of the front end surface of the cylindrical barrel is provided in the middle of the tank body, and the central aperture is a hole through which the front end surface of the cylindrical barrel is not observed; the side wall of the tank body is provided with a vent hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022569592.2U CN213724494U (en) | 2020-11-09 | 2020-11-09 | Instrument for assisting small-sized experimental animal in radiotherapy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022569592.2U CN213724494U (en) | 2020-11-09 | 2020-11-09 | Instrument for assisting small-sized experimental animal in radiotherapy |
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| CN213724494U true CN213724494U (en) | 2021-07-20 |
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| CN202022569592.2U Active CN213724494U (en) | 2020-11-09 | 2020-11-09 | Instrument for assisting small-sized experimental animal in radiotherapy |
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| CN (1) | CN213724494U (en) |
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