CN214434657U - Adjustable rat tail intravenous route fixer - Google Patents
Adjustable rat tail intravenous route fixer Download PDFInfo
- Publication number
- CN214434657U CN214434657U CN202022776311.0U CN202022776311U CN214434657U CN 214434657 U CN214434657 U CN 214434657U CN 202022776311 U CN202022776311 U CN 202022776311U CN 214434657 U CN214434657 U CN 214434657U
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- Prior art keywords
- fixed
- pipe
- semicircular
- semicircular pipe
- tail
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- 238000001990 intravenous administration Methods 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 210000003462 vein Anatomy 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 7
- 210000001364 upper extremity Anatomy 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010253 intravenous injection Methods 0.000 abstract description 9
- 241000700159 Rattus Species 0.000 description 46
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an adjustable rat tail intravenous injection fixer, belonging to the technical field of medical apparatus and instruments, comprising a bottom plate, a stay bar and a fixer, wherein the stay bar is vertically arranged on the upper surface of the bottom plate; the fixer comprises an inclined plate and a fixing pipe arranged on the upper surface of the inclined plate, the fixing pipe comprises a first fixing pipe and a second fixing pipe, the bottom of the first fixing pipe is hinged to the inclined plate through a hinge, and the second fixing pipe is sleeved below the first fixing pipe; the first fixing pipe comprises a left first fixing pipe and a right first fixing pipe, and the left and right first fixing pipes can be respectively opened relative to the inclined plate, so that the width of the fixing pipe can be adjusted; the second fixing tube is movable up and down with respect to the first fixing tube, and thus the length of the fixing tube can be adjusted. The utility model discloses a well adjustable rat tail intravenous route fixer can carry out the regulation of width and length according to the rat size, therefore application scope is wider.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to adjustable rat tail intravenous route fixer.
Background
In the rat experiment, often need to pass through the mode of tail vein injection to the rat and administer, the rat bodily form is great and easy activity, is difficult to fix, brings the inconvenience for tail vein injection operation, simultaneously, carries out one man's operation comparatively difficultly under the awake state of rat. The repeated anesthesia is a great stimulus to the rats themselves, and has a certain influence on experimental data. The current common method is to clamp the rat tail at one side of the mouse cage or fix the rat tail by a self-made tool and operate the rat tail in an awake state; or a rat fixer with a relatively complex structure is adopted. The two methods have the disadvantages that the stimulation to rats is large, the manufacturing cost is expensive, even the space cannot be fully adjusted, rats with different weights are difficult to fix firmly, and the inconvenience is brought to experimental operation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who wants to solve is: the rat tail vein injection fixator in the prior art has a complex structure, and the space of the fixator is difficult to adjust when a rat is fixed, so that the rats with different body types are difficult to firmly fix, and the like.
In order to solve the problems, the utility model discloses an adjustable rat tail intravenous injection fixer, which comprises a bottom plate, a stay bar and a fixer, wherein the fixer comprises an inclined plate and a fixing pipe arranged on the upper surface of the inclined plate;
the supporting rod is vertically arranged on the bottom plate, one end of the supporting rod is fixedly connected with the upper surface of the bottom plate, and the other end of the supporting rod is fixedly connected with the lower surface of the inclined plate;
the bottom of the inclined plate is hinged with the upper surface of the bottom plate through a hinge;
the fixed pipe comprises a first fixed pipe and a second fixed pipe;
the first fixed pipe comprises a left first fixed semicircular pipe and a right first fixed semicircular pipe, and the bottom of the left first fixed semicircular pipe and the bottom of the right first fixed semicircular pipe are respectively hinged to the upper surface of the inclined plate through hinges; the second fixed pipe comprises a left second fixed semicircular pipe and a right second fixed semicircular pipe, the left second fixed semicircular pipe is sleeved below the left first fixed semicircular pipe, and the right second fixed semicircular pipe is sleeved below the right first fixed semicircular pipe;
the top parts of the left first fixed semicircular pipe and the right first fixed semicircular pipe are respectively provided with a connecting plate, and the connecting plates are provided with through holes; penetrating the through hole by using a screw rod and screwing the screw rod by using a screw cap to connect the top parts of the left first fixed semicircular pipe and the right first fixed semicircular pipe together;
the bottom of the left first fixed semicircular pipe and the bottom of the right first fixed semicircular pipe are respectively provided with 1 front leg fixing hole, and the bottom of the left second fixed semicircular pipe and the bottom of the right second fixed semicircular pipe are respectively provided with 1 rear leg fixing hole;
the center of the lower part of the left second fixed pipe and the center of the lower part of the right second fixed pipe are respectively provided with 1 semicircular through hole, and the two semicircular through holes are combined to form a tail fixed hole.
Furthermore, the support rod comprises a base, a support cylinder, a screw rod and a nut, the support cylinder is fixed on the bottom plate through the base by a fastening screw, one end of the screw rod is positioned in the support cylinder, the other end of the screw rod is fixed on the lower surface of the inclined plate, the nut is sleeved on the screw rod, and the thread of the nut is matched with the screw rod; the inner diameter of the nut is smaller than that of the support cylinder, and the outer diameter of the nut is larger than that of the support cylinder.
Furthermore, a left conical semicircular pipe is arranged above the left first fixed semicircular pipe, a right conical semicircular pipe is respectively arranged above the right first fixed semicircular pipe, and the two conical semicircular pipes are combined to form a head cylinder.
Further, the fixed pipe is located the top of swash plate incline direction, is equipped with the tail fixed station below the swash plate incline direction, and the tail fixed station is cuboid platelike structure, is equipped with the tail standing groove at the upper surface of tail fixed station, and the length direction of tail standing groove is unanimous with the length direction of swash plate.
Further, the position department that first fixed pipe and the fixed pipe of second cup jointed is equipped with the bead on first fixed pipe, is equipped with the recess on the fixed pipe of second, and the length direction of bead and recess all is unanimous with the length direction of first fixed pipe, and the bead can slide in the recess.
Furthermore, an air suction cup is arranged on the lower surface of the bottom plate.
Furthermore, the number of the air suction cups is ≧ 1.
The utility model discloses an adjustable rat tail intravenous route fixer when using, application method includes following step:
(1) screwing off a screw cap in the connecting plate, taking out a screw rod from a through hole of the connecting plate, namely opening the fixer, and respectively opening a left conical semicircular tube, a left first fixed semicircular tube and a left second fixed semicircular tube in the head cylinder to the left side of the inclined plate under the action of a hinge arranged at the bottom of the left first fixed semicircular tube; similarly, the right conical semicircular tube, the right first fixed semicircular tube and the right second fixed semicircular tube in the head cylinder are respectively opened towards the right side of the inclined plate under the action of the hinge arranged at the bottom of the right first fixed semicircular tube;
(2) placing a rat in a fixer, enabling the head of the rat to be located in a head cylinder, placing a front leg in a front leg fixing hole, placing a rear leg in a rear leg fixing hole, placing a tail in a tail fixing hole outwards, closing a hinge below a first fixing semicircular pipe on the left side and a hinge below a first fixing semicircular pipe on the right side, enabling a screw to penetrate through a through hole of a connecting plate, and screwing down the screw by using a nut, so that the position of the rat is fixed; the tail of the rat is led out from the tail fixing hole and placed in a tail placing groove in a tail fixing platform, and intravenous injection can be carried out on the tail of the rat.
Compared with the prior product, the utility model discloses an adjustable rat tail intravenous route fixer has following advantage:
(1) according to the adjustable rat tail vein injection fixator, the fixing tube is divided into the first fixing tube and the second fixing tube, the second fixing tube can move upwards or downwards along the first fixing tube, the length of the fixing tube can be adjusted, and the length adjustment is realized;
(2) the adjustable rat tail intravenous injection fixator divides the first fixing tube into a left side first fixing tube and a right side first fixing tube, the bottom of the first fixing tube is hinged with the upper surface of the inclined plate through a hinge, the top of the first fixing tube is provided with a connecting plate, and the width of the fixing tube can be adjusted by selecting screws with different lengths to penetrate through the connecting plate, so that the width is adjustable;
(3) the adjustable rat tail intravenous injection fixator is provided with an air sucking disc on the lower surface of a bottom plate, can be adsorbed on an operation table top, and can be used for fixing the position of the adjustable rat tail intravenous injection fixator so as to improve the operation reliability;
(4) the adjustable rat tail intravenous injection fixator is simple in structure and low in production cost, and mass production can be achieved.
Drawings
FIG. 1: the adjustable rat tail vein injection fixer has a schematic three-dimensional structure.
FIG. 2: the top view structure of the fixed pipe is schematic.
FIG. 3: the tail structure of the second fixed pipe is shown schematically.
FIG. 4: the connection part of the first fixed pipe and the second fixed pipe is partially enlarged.
Description of reference numerals: 1-a bottom plate; 2-a holder; 3-a brace rod; 11-air suction cup; 21-a fixed tube; 22-a sloping plate; 23-tail fixed station; 211-head cylinder; 212-a first stationary tube; 213-a second stationary tube; 2111-left tapered semicircular tube; 2112-right tapered semicircular tube; 2121-first left fixed semicircular tube; 2122-first fixed semicircular tube on right side; 2123-connecting plate; 2124-bead; 2131-a second left fixed semicircular tube; 2132-a second fixed semicircular tube on the right side; 2133-grooves; 2134-tail fixing holes; 214-front leg fixing hole; 215-rear leg fixing hole; 231-tail placement groove; 31-a base; 32-screw rod; 33-a support cylinder; 34-nut.
Detailed Description
The technical solution of the present invention will be explained in detail by the following embodiments.
Example 1
As shown in fig. 1-4, which are schematic structural views of different parts of an adjustable rat tail vein injection fixator, the adjustable rat tail vein injection fixator includes a bottom plate 1, a stay bar 3 and a fixator 2, the fixator 2 includes an inclined plate 22 and a fixing tube 21 arranged on the upper surface of the inclined plate;
the support rods 3 are vertically arranged on the bottom plate 1, one ends of the support rods 3 are fixedly connected with the upper surface of the bottom plate 1, and the other ends of the support rods 3 are fixedly connected with the lower surface of the inclined plate 22; specifically, the support rod 3 comprises a base 31, a support cylinder 33, a screw rod 32 and a nut 34, wherein the support cylinder 33 is fixed on the bottom plate 1 through the base 31 by a fastening screw, one end of the screw rod 32 is positioned in the support cylinder 33, the other end of the screw rod 32 is fixed on the lower surface of the inclined plate 22, the nut 34 is sleeved on the screw rod 32, and the thread of the nut 34 is matched with the screw rod 32; the inner diameter of the nut 34 is smaller than the inner diameter of the support cylinder 33, and the outer diameter of the nut 34 is larger than the outer diameter of the support cylinder 33.
The bottom of the inclined plate 22 is hinged with the upper surface of the bottom plate 1 through a hinge;
the fixed pipe 21 includes a first fixed pipe 212 and a second fixed pipe 213; the fixed pipe 21 is located above the inclined direction of the inclined plate 22, the tail fixed table 23 is arranged below the inclined direction of the inclined plate 22, the tail fixed table 23 is of a cuboid plate-shaped structure, the tail placing groove 231 is arranged on the upper surface of the tail fixed table 23, and the length direction of the tail placing groove 231 is consistent with the length direction of the inclined plate 22.
The first fixing pipe 212 includes a left first fixing semicircular pipe 2121 and a right first fixing semicircular pipe 2122, and the bottom of the left first fixing semicircular pipe 2121 and the bottom of the right first fixing semicircular pipe 2122 are hinged to the upper surface of the inclined plate 22 by hinges, respectively; the second fixing pipe 213 comprises a left second fixing semicircular pipe 2131 and a right second fixing semicircular pipe 2132, the left second fixing semicircular pipe 2131 is sleeved below the left first fixing semicircular pipe 2121, and the right second fixing semicircular pipe 2132 is sleeved below the right first fixing semicircular pipe 2122;
at the position where the first fixing tube 212 and the second fixing tube 213 are sleeved, a rib 2124 is provided on the first fixing tube 212, a groove 2133 is provided on the second fixing tube 213, the longitudinal directions of the rib 2124 and the groove 2133 are the same as the longitudinal direction of the first fixing tube 212, and the rib 2124 can slide in the groove 2133.
A left tapered semicircular tube 2111 is provided above the left first fixed semicircular tube 2121, and right tapered semicircular tubes 2112 are provided above the right first fixed semicircular tube 2122, respectively, and the two tapered semicircular tubes are combined to form the head cylinder 211.
A connecting plate 2123 is arranged at the top of each of the left first fixed semicircular tube 2121 and the right first fixed semicircular tube 2122, and a through hole is formed in the connecting plate 2123; the top of the left first fixed semicircular tube 2121 and the top of the right first fixed semicircular tube 2122 are connected together by a screw rod penetrating through the through hole and being screwed by a screw cap;
the bottom of the left first fixed semicircular tube 2121 and the bottom of the right first fixed semicircular tube 2122 are respectively provided with 1 front leg fixing hole 214, and the bottom of the left second fixed semicircular tube 2131 and the bottom of the right second fixed semicircular tube 2132 are respectively provided with 1 rear leg fixing hole 215;
the center of the lower part of the left second fixing tube 2131 and the center of the lower part of the right second fixing tube 2132 are respectively provided with 1 semicircular through hole, and the two semicircular through holes are combined to form a tail fixing hole 2134.
Further, air suction cups 11 are provided on the lower surface of the base plate 1, and specifically, the number of the air suction cups 11 is 4, which are respectively located on four corners of the lower surface of the base plate 1.
In this embodiment 1, the use method of the adjustable rat tail intravenous injection fixator includes the following steps:
(1) the screw cap in the connecting plate 2123 is unscrewed, the screw is taken out from the through hole of the connecting plate 2123, that is, the fixator is opened, and the left tapered semicircular tube 2111, the left first fixed semicircular tube 2121 and the left second fixed semicircular tube 2131 in the head cylinder 211 are respectively opened towards the left side of the inclined plate 22 under the action of the hinge arranged at the bottom of the left first fixed semicircular tube 2121; similarly, the right tapered semicircular tube 2112, the right first fixed semicircular tube 2122, and the right second fixed semicircular tube 2132 in the head cylinder 211 are opened to the right side of the inclined plate 22 by the hinges provided at the bottom of the right first fixed semicircular tube 2122, respectively;
(2) placing a rat in a fixer, enabling the head of the rat to be located in a head cylinder 211, enabling front legs to be located in front leg fixing holes 214, enabling rear legs to be located in rear leg fixing holes 215, enabling tails to face outwards and to be located in tail fixing holes 2134, closing hinges below a left first fixing semicircular tube 2121 and a right first fixing semicircular tube 2122, enabling a screw to penetrate through a through hole of a connecting plate 2123, and screwing down through a nut, namely fixing the position of the rat; the rat tail is led out from the tail fixing hole 2134 and placed in the tail placing groove 231 in the fixing table 23, and intravenous injection can be performed on the rat tail.
According to the size of the rat body, if the rat body is large, a longer screw rod is selected to pass through the through hole of the connecting plate 2123 and is screwed down by the screw cap, so that the fixator can be widened, and meanwhile, a downward force is applied to the second fixing tube 213, so that the rib on the second fixing tube 213 moves downwards along the groove on the first fixing tube 212, the fixator can be lengthened, and the rat body can be firmly fixed in the rat tail vein injection fixator; on the contrary, if the rat is small in size, a shorter screw rod is selected, and the second fixing tube is pushed upwards to narrow and shorten the fixator, so that the small-sized rat can be firmly fixed in the rat tail vein injection fixator.
In addition, be equipped with 4 air chuck 11 on the lower surface of bottom plate 1, be located 4 corner positions department of bottom plate 1 lower surface respectively, air chuck 11 can directly adsorb on the operation mesa, plays the effect of fixed this adjustable rat tail intravenous route fixer.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The utility model provides an adjustable rat tail vein injection fixer, includes bottom plate, vaulting pole and fixer, its characterized in that: the fixer comprises an inclined plate and a fixing pipe arranged on the upper surface of the inclined plate;
the supporting rod is vertically arranged on the bottom plate, one end of the supporting rod is fixedly connected with the upper surface of the bottom plate, and the other end of the supporting rod is fixedly connected with the lower surface of the inclined plate;
the bottom of the inclined plate is hinged with the upper surface of the bottom plate through a hinge;
the fixed pipe comprises a first fixed pipe and a second fixed pipe;
the first fixed pipe comprises a left first fixed semicircular pipe and a right first fixed semicircular pipe, and the bottom of the left first fixed semicircular pipe and the bottom of the right first fixed semicircular pipe are respectively hinged to the upper surface of the inclined plate through hinges; the second fixed pipe comprises a left second fixed semicircular pipe and a right second fixed semicircular pipe, the left second fixed semicircular pipe is sleeved below the left first fixed semicircular pipe, and the right second fixed semicircular pipe is sleeved below the right first fixed semicircular pipe;
the top parts of the left first fixed semicircular pipe and the right first fixed semicircular pipe are respectively provided with a connecting plate, and the connecting plates are provided with through holes; penetrating the through hole by using a screw rod and screwing the screw rod by using a screw cap to connect the top parts of the left first fixed semicircular pipe and the right first fixed semicircular pipe together;
the bottom of the left first fixed semicircular pipe and the bottom of the right first fixed semicircular pipe are respectively provided with 1 front leg fixing hole, and the bottom of the left second fixed semicircular pipe and the bottom of the right second fixed semicircular pipe are respectively provided with 1 rear leg fixing hole;
the center of the lower part of the left second fixed pipe and the center of the lower part of the right second fixed pipe are respectively provided with 1 semicircular through hole, and the two semicircular through holes are combined to form a tail fixed hole.
2. The adjustable rat caudal intravenous fixation device of claim 1, wherein: the support rod comprises a base, a support cylinder, a screw rod and a nut, the support cylinder is fixed on the bottom plate through the base by a fastening screw, one end of the screw rod is positioned in the support cylinder, the other end of the screw rod is fixed on the lower surface of the inclined plate, the nut is sleeved on the screw rod, and the thread of the nut is matched with the screw rod; the inner diameter of the nut is smaller than that of the support cylinder, and the outer diameter of the nut is larger than that of the support cylinder.
3. The adjustable rat caudal intravenous fixation device of claim 1, wherein: the left conical semicircular pipe is arranged above the left first fixed semicircular pipe, the right conical semicircular pipe is respectively arranged above the right first fixed semicircular pipe, and the two conical semicircular pipes are combined to form a head cylinder.
4. The adjustable rat caudal intravenous fixation device of claim 1, wherein: the fixed pipe is located the top of swash plate incline direction, is equipped with the tail fixed station in the below of swash plate incline direction, and the tail fixed station is cuboid platelike structure, is equipped with the tail standing groove at the upper surface of tail fixed station, and the length direction of tail standing groove is unanimous with the length direction of swash plate.
5. The adjustable rat caudal intravenous fixation device of claim 1, wherein: the position department that first fixed pipe and the fixed pipe of second cup jointed is equipped with the bead on first fixed pipe, is equipped with the recess on the fixed pipe of second, and the length direction of bead and recess all is unanimous with the length direction of first fixed pipe, and the bead can slide in the recess.
6. The adjustable rat caudal intravenous fixation device of claim 1, wherein: and an air sucking disc is arranged on the lower surface of the bottom plate.
7. The adjustable rat caudal intravenous fixation device of claim 6, wherein: the number of the air suction cups is not less than 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776311.0U CN214434657U (en) | 2020-11-26 | 2020-11-26 | Adjustable rat tail intravenous route fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022776311.0U CN214434657U (en) | 2020-11-26 | 2020-11-26 | Adjustable rat tail intravenous route fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214434657U true CN214434657U (en) | 2021-10-22 |
Family
ID=78184445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022776311.0U Expired - Fee Related CN214434657U (en) | 2020-11-26 | 2020-11-26 | Adjustable rat tail intravenous route fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214434657U (en) |
-
2020
- 2020-11-26 CN CN202022776311.0U patent/CN214434657U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |