CN108744117B - Radial artery cerebral vessel radiography equipment - Google Patents
Radial artery cerebral vessel radiography equipment Download PDFInfo
- Publication number
- CN108744117B CN108744117B CN201810323431.XA CN201810323431A CN108744117B CN 108744117 B CN108744117 B CN 108744117B CN 201810323431 A CN201810323431 A CN 201810323431A CN 108744117 B CN108744117 B CN 108744117B
- Authority
- CN
- China
- Prior art keywords
- sliding
- groove
- rod
- limiting
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/007—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests for contrast media
Abstract
The invention discloses a radial cerebral vessel angiography device, which comprises the following steps: performing preoperative cerebral artery collateral circulation examination, wherein the positive patient is qualified; step two: selecting the right precious artery of qualified persons as a puncture target blood vessel; step three: puncturing the cerebral artery by Seldinger puncture; step four: injecting a contrast agent through the injector; step five: carrying out radiography by a DSA radiography device; the radial artery is superficial in position, does not need special skin preparation and private part exposure, and postoperative hemostasis by compression is convenient, and postoperative local hematoma, arteriovenous fistula, and arterial dissection rate are less.
Description
Technical Field
The present invention relates to an imaging apparatus, and more particularly to a transradial cerebral vessel imaging apparatus.
Background
Digital Subtraction Angiography (DSA) is the current gold standard for cerebrovascular disease diagnosis, and although there are more and more cases where non-invasive examination can be selected with the development of CTA and MRA, DSA still has its irreplaceable advantages, such as better spatial resolution, ability to display dynamic images from arterial phase to venous phase, etc. The femoral artery approach radiography is the main approach of the existing cerebrovascular radiography, but the femoral artery approach requires bed-rest braking, and the comfort degree of a patient after operation is poor.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a contrast device for imaging cerebral vessels not through the femoral artery but through the radial artery.
In order to achieve the purpose, the invention provides the following technical scheme:
the device comprises two sliding rails, wherein two ends of each sliding rail are provided with a touch mechanism, and a leather hose fixing mechanism and a needle cylinder fixing mechanism are arranged between the two touch mechanisms;
the touch mechanism comprises a first sliding rod connected to the sliding rail in a sliding manner, the first sliding rod is connected with a first sliding strip which slides up and down in a sliding manner, a first limiting mechanism is arranged on the first sliding strip, and the first limiting mechanism is used for fixing the first sliding strip on the first sliding rod;
the leather hose fixing mechanism comprises a second sliding rod connected to the sliding rails in a sliding mode, a second sliding strip which slides up and down is connected to the second sliding rod in a sliding mode, a second limiting mechanism is arranged on the second sliding strip and used for fixing the second sliding strip on the second sliding rod, a sliding block is connected to the second sliding strip in a sliding mode and moves back and forth between the two sliding rails, and a leather hose fixing piece used for fixing a leather hose is arranged on the sliding block;
the needle cylinder fixing mechanism comprises a third sliding rod connected to the sliding rail in a sliding manner, the third sliding rod is connected with a third sliding strip which slides up and down in a sliding manner, a third limiting mechanism is arranged on the first sliding strip and used for fixing the third sliding strip on the third sliding rod, a needle cylinder fixing piece used for fixing the needle cylinder is arranged on the third sliding strip, and a rotating mechanism used for controlling the needle cylinder fixing piece to rotate is further arranged on the third sliding strip;
and a fourth limiting mechanism used for limiting the first sliding rod, the second sliding rod and the third sliding rod is arranged on the sliding rail.
As a further improvement of the invention: the first sliding rod is provided with a plurality of first slots, the first sliding strip is provided with a first perforation, the first limiting mechanism comprises a first inserting rod which is arranged on the first perforation and used for being inserted into the first slots, the first sliding strip is provided with a first mounting groove communicated with the first perforation, the first inserting rod is provided with a first mounting plate relative to the first mounting groove, the first mounting plate is provided with a first return spring, one end of the first return spring is fixed on the first mounting plate, the other end of the first return spring is fixed on the inner wall of the first mounting groove, the first return spring keeps the first inserting rod separated from the first slots, the first sliding strip is provided with a first communicating groove communicated with the first perforation, the first communicating groove is connected with a first limiting block in a sliding way, and the first limiting block is abutted against the end part of the first inserting rod back to the first slots, the first inserting rod is kept to be inserted into the first slot, the first limiting block is provided with a first groove, when the first groove is aligned with the first through hole, the first inserting rod is sunk into the first groove and separated from the first slot, one end of the first inserted bar, which is back to the first groove, is provided with a first inclined surface, the first groove is provided with a second inclined surface matched with the first inclined surface, one end of the first limiting block extends out of the first conduction groove, one end of the first limiting block extending out of the first conduction groove is provided with a first pressing plate, a first pressing spring is arranged between the first pressing plate and the first sliding strip, one end of the first pressing spring is connected with the first pressing plate, the other end of the first pressing spring is connected with the first sliding strip, the first pressing spring keeps the first groove separated from the first perforation position, a first slide way extending towards the slide rail bar is arranged on the first slide rod, and a first slide block connected to the first slide way in a sliding mode is arranged on the first slide bar.
As a further improvement of the invention: the second sliding rod is provided with a plurality of second slots, the second sliding strip is provided with a second through hole, the second limiting mechanism comprises a second inserting rod which is arranged on the second through hole and used for inserting the second slots, the second sliding strip is provided with a second mounting groove communicated with the second through hole, the second inserting rod is provided with a second mounting plate at a position corresponding to the second mounting groove, a second return spring is arranged on the second mounting plate, one end of the second return spring is fixed on the second mounting plate, the other end of the second return spring is fixed on the inner wall of the second mounting groove, the second return spring keeps the second inserting rod inserted into the second slots, the second slots are hemispherical, the end parts of the second inserting rod inserted into the second slots are hemispherical shapes matched with the second slots, the second sliding rod is provided with a second slide way extending towards the sliding rail bar, and the second sliding block connected on the second slide way in a sliding manner is arranged on the second sliding strip, the second sliding rod is provided with a transverse slide way, the transverse slide way is internally provided with a sliding part, the sliding block is provided with a transverse sliding block connected with the sliding part in a sliding way, the cross sections of the transverse sliding block and the sliding part are both in a dovetail shape, the leather hose fixing part comprises two mutually clamping plates arranged on the sliding block, the clamping plates are provided with first hinge holes, the sliding block is provided with hinge rods, the hinge rods are hinged with the first hinge holes, a first torsion spring is arranged between the clamping plates and the sliding block and is sleeved on the hinge rods, one end of the first torsion spring is fixedly connected with the clamping plates, the other end of the first torsion spring is fixedly connected with the hinge blocks, a plurality of second limiting holes are arranged on two inner walls of the transverse slide way extending towards the sliding rail direction of the sliding rail, the sliding block is provided with an inner groove, and two row plates are arranged in, the inner groove limiting device is characterized in that a repulsion spring is arranged between the two row plates, a first through hole communicated with the inner groove is formed in the position, opposite to the second limiting hole, of the sliding block, a second through hole communicated with the inner groove is formed in the position, extending out of the transverse slide way, of the sliding block, a second limiting rod is arranged on the row plates, the second limiting rod penetrates out of the first through hole and is used for inserting the second limiting hole, a pressing rod is arranged on the row plates, the pressing rod penetrates out of the second through hole and presses the pressing rod, and therefore the second limiting rod is separated from the second limiting hole.
As a further improvement of the invention: the third sliding rod is provided with a plurality of third slots, a third through hole is arranged on the third sliding strip, the third limiting mechanism comprises a third inserting rod which is arranged on the third through hole and used for inserting the third slots, a third mounting groove communicated with the third through hole is arranged on the third sliding strip, a third mounting plate is arranged at the position of the third inserting rod relative to the third mounting groove, a third return spring is arranged on the third mounting plate, one end of the third return spring is fixed on the third mounting plate, the other end of the third return spring is fixed on the inner wall of the third mounting groove, the third return spring keeps the third inserting rod separated from the third slots, a third communicating groove communicated with the third through hole is arranged on the third sliding strip, a third limiting block is connected in the third communicating groove in a sliding manner, and the third limiting block is abutted against the end part of the third inserting rod back to the third slots, the third inserting rod is kept to be inserted into the third slot, the third limiting block is provided with a third groove, when the third groove is aligned with the third through hole, the third inserting rod is sunk into the third groove and separated from the third slot, one end of the third inserted bar, which is back to the third groove, is provided with a third inclined surface, the third groove is provided with a fourth inclined surface matched with the third inclined surface, one end of the third limiting block extends out of the third conduction groove, one end of the third limiting block extending out of the third conduction groove is provided with a second pressing plate, a second pressing spring is arranged between the second pressing plate and the third sliding strip, one end of the second pressing spring is connected with the second pressing plate, the other end of the second pressing spring is connected with the third sliding strip, the second pressing spring keeps the third groove separated from a third punching position, a third slide way extending towards the slide rail bar is arranged on the third slide bar, and a third slide block connected to the third slide way in a sliding manner is arranged on the third slide bar;
the needle cylinder fixing piece comprises a mounting block arranged on a third limiting block, a through hole is formed in the mounting block, a rotating shaft is arranged in the through hole, one end of the rotating shaft extends out of the through hole, a first connecting plate is arranged at the end, extending out of the through hole, of the rotating shaft, the first connecting plate extends towards the direction of the sliding rail, a second connecting plate is arranged on the first connecting plate, the second connecting plate is arranged from the sliding rail on one side to the sliding rail on the other side, a fixed plate is arranged at the end part, facing towards the sliding rail on one side, of the second connecting plate, a first arc-shaped notch is arranged on the fixed plate and faces towards the sliding rail on the other side, an auxiliary sliding rail is arranged on the second connecting plate, a movable plate is connected to one side, opposite to the top plate, of the second connecting plate in a sliding mode, the auxiliary slide way and the auxiliary slide block are provided with auxiliary springs for keeping the movable plate to move towards the fixed plate, one end of each auxiliary spring is fixed on the auxiliary slide block, and the other end of each auxiliary spring is fixed on the inner wall of the auxiliary slide way;
the end part of one end of the rotating shaft, which extends out of the through hole in the back direction, is provided with a plurality of first limiting grooves which are annularly arranged by taking a rotating shaft central shaft as a center, the mounting block is provided with a second limiting groove which is superposed with the first limiting groove, the depth of the first limiting groove is greater than that of the second limiting groove, the rotating shaft is provided with a hollow groove, a pull rod is arranged in the hollow groove, one end of the pull rod, which faces away from the hollow groove, is provided with a first limiting sheet which is embedded into the first limiting groove and the second limiting groove simultaneously, the first limiting sheet is provided with a second limiting sheet which extends into the first limiting groove, a tension spring is arranged between the pull rod and the hollow groove, the tension spring keeps the first limiting sheet inserted into the first limiting groove and the second limiting groove, one end of the pull rod, which faces away from the hollow groove, is provided with a pulling block, the pulling block is pulled to enable the first limiting sheet to be separated from the first limiting groove and the second limiting groove, and, so that the rotation shaft is rotated.
As a further improvement of the invention: the first sliding rod, the second sliding rod and the third sliding rod are provided with a fourth mounting groove, a fourth insert rod arranged in the fourth mounting groove and a fourth perforation communicated with the fourth mounting groove, the fourth insert rod is provided with a fourth mounting plate, a fourth return spring is arranged in the fourth mounting plate and the fourth mounting groove, one end of the fourth return spring is fixed on the fourth mounting plate, the other end of the fourth return spring is fixed on the inner wall of the fourth mounting groove, the fourth return spring keeps the fourth insert rod separated from the fourth slot, one end of the fourth insert rod extends out of the perforation under the action of the fourth return spring, the fourth limiting mechanism comprises a fourth slot arranged on the inner wall of the slide rail and a baffle used for shielding the fourth perforation, the fourth return spring keeps the fourth insert rod separated from the fourth slot, the baffle is hinged on the slide rail, and the baffle is provided with a second torsion spring for shielding the perforation, the sliding rail is provided with a fourth sliding groove, the first sliding rod, the second sliding rod and the third sliding rod are all provided with a fourth sliding block matched with the fourth sliding groove, and the cross sections of the fourth sliding groove and the fourth sliding block are both in a dovetail shape.
Before the operation, the examination of the collateral circulation of the cerebral artery is required to be performed, namely: allen test, the blood supply to the hands, the anastomosis between the radial and ulnar arteries was examined. Firstly, a surgeon simultaneously presses a radial artery and an ulnar artery by using two hands;
advising the patient to make a fist and open the fingers 5-7 times repeatedly until the palm becomes white;
and thirdly, loosening the compression on the ulnar artery, continuously keeping compressing the radial artery and observing the color change of the palm.
If the palm color rapidly turns red or returns to normal after being less than 10s, the Allen test is negative; conversely, if the palm color is still pale for 10s, the Allen test is positive.
The right radial artery is routinely selected as the target vessel for puncture. The most obvious pulse of the radial artery within 2-4 cm of the proximal end of the transverse striation of the wrist (the inner side of the styloid process of the radius) is selected as the puncture point, and 1-2 ml of 1% lidocaine is locally infiltrated and anesthetized at the puncture point. Puncture the radial artery by outer trocar (Terumo) Seldinger method, remove the puncture needle after blood ejection, insert soft-head straight guide wire through the outer cannula, insert 5F radial artery sheath through the guide wire, remove the guide wire, and inject 0.2mg of nitroglycerin through the side tube of the sheath tube, inject 2500U of heparin intravenously to heparinize the whole body. The conventional 5F pigtail tube row aortic arch radiography is carried out, a selective radiography catheter uses 5FSimmon I and SimmonII catheters, loop forming technology is applied, the common carotid artery on two sides and the left vertebral artery are subjected to radiography, the catheter can be selected according to the situation on the right vertebral artery, the artery directly enters the vertebral artery under the clavicle, or the catheter is pulled back to carry out selective radiography after the aortic arch is loop formed. After the radiography, the sheath is removed and the catheter is compressed for 6h by a special radial artery hemostat. The radial artery is superficial in position, does not need special skin preparation and private part exposure, and postoperative hemostasis by compression is convenient, and postoperative local hematoma, arteriovenous fistula, and arterial dissection rate are less.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a pressing mechanism according to the present invention;
FIG. 3 is a schematic structural view of a leather hose fixing mechanism of the present invention;
FIG. 4 is a schematic view of the structure of the leather hose fastener of the present invention;
FIG. 5 is a schematic view of the fixing structure of the syringe according to the present invention;
FIG. 6 is a schematic view of the syringe mount of the present invention;
FIG. 7 is a schematic view of an exploded view of the syringe mount of the present invention;
FIG. 8 is a schematic view of the fitting structure of the syringe fixing structure according to the present invention;
FIG. 9 is a schematic top view of the present invention;
fig. 10 is a schematic view of the slide rail structure of the present invention.
Description of the drawings:
1. a touch pressing mechanism; 2. a leather hose fixing mechanism; 3. a needle cylinder fixing mechanism; 4. a slide rail; 101. a first slide bar; 102. a first glide bar; 103. a first slot; 104. a first perforation; 105. a first plunger; 106. a first mounting groove; 107. a first mounting plate; 108. a first return spring; 109. a first conduction groove; 110. a first stopper; 111. a first groove; 112. a first inclined surface; 113. a second inclined surface; 114. a first platen; 115. a first pressing spring; 117. a first slideway; 118. a first slider; 201. a second slide bar; 202. a second glide bar; 203. a sliding block; 204. a second slot; 205. a second perforation; 206. a second plunger; 207. a second mounting groove; 208. a second mounting plate; 209. a second return spring; 210. a second slideway; 211. a second slider; 212. a transverse slideway; 213. a sliding part; 214. a transverse slide block; 215. a splint; 216. a first hinge hole; 217. a hinged lever; 218. a first torsion spring; 219. a second limiting hole; 220. an inner tank; 221. arranging plates; 222. a repulsion spring; 223. a first through aperture; 224. a second through aperture; 225. a second limiting rod; 226. a pressure lever; 301. a third slide bar; 302. a third glide bar; 303. a third slot; 304. a third perforation; 305. a third plunger; 306. a third mounting groove; 307. a third mounting plate; 308. a third return spring; 309. a third conduction groove; 310. a third limiting block; 311. a third groove; 312. a second platen; 313. a second pressing spring; 314. a third slideway; 315. a third slider; 316. mounting blocks; 317. a through hole; 318. a rotating shaft; 319. a first connecting plate; 320. a second connecting plate; 321. fixing a plate; 322. a first arc-shaped notch; 323. an auxiliary chute; 324. a movable plate; 325. an auxiliary slide block; 326. a second arc-shaped notch; 327. an auxiliary spring; 328. a first limit groove; 329. a second limit groove; 330. an empty groove; 331. a pull rod; 332. a first limiting sheet; 333. a second limiting sheet; 334. a tension spring; 335. pulling the block; 336. a third inclined surface; 337. a fourth inclined surface; 401. a fourth mounting groove; 402. a fourth plunger; 403. a fourth perforation; 404. a fourth mounting plate; 405. a fourth return spring; 406. a baffle plate; 407. a second torsion spring; 408. a fourth slider; 409. and a fourth chute.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 10, a transradial cerebral vascular angiography method of the present embodiment,
the method comprises the following steps: performing preoperative cerebral artery collateral circulation examination, wherein the positive patient is qualified;
step two: selecting the right precious artery of qualified persons as a puncture target blood vessel;
step three: puncturing the cerebral artery by Seldinger puncture;
step four: injecting a contrast agent through the injector;
step five: carrying out radiography by a DSA radiography device;
and in the second step, the puncture process is punctured by the following equipment:
the device comprises two slide rails 4, wherein two ends of the two slide rails 4 are provided with a touch mechanism 1, and a leather hose fixing mechanism 2 and a needle cylinder fixing mechanism 3 are arranged between the two touch mechanisms 1;
the touch mechanism 1 comprises a first sliding rod 101 connected to the sliding rail 4 in a sliding manner, the first sliding rod 101 is connected with a first sliding strip 102 sliding up and down in a sliding manner, a first limiting mechanism is arranged on the first sliding strip 102, and the first limiting mechanism is used for fixing the first sliding strip 102 on the first sliding rod 101;
the leather hose fixing mechanism 2 comprises a second sliding rod 201 connected to the sliding rails 4 in a sliding manner, the second sliding rod 201 is connected with a second sliding strip 202 which slides up and down in a sliding manner, a second limiting mechanism is arranged on the second sliding strip 202, the second limiting mechanism is used for fixing the second sliding strip 202 on the second sliding rod 201, the second sliding strip 202 is connected with a sliding block 203 in a sliding manner, the sliding block 203 moves back and forth between the two sliding rails 4, and a leather hose fixing part for fixing a leather hose is arranged on the sliding block 203;
the needle cylinder fixing mechanism 3 comprises a third sliding rod 301 connected to the sliding rail 4 in a sliding manner, the third sliding rod 301 is connected with a third sliding strip 302 which slides up and down in a sliding manner, a third limiting mechanism is arranged on the first sliding strip 102, the third limiting mechanism is used for fixing the third sliding strip 302 on the third sliding rod 301, a needle cylinder fixing piece used for fixing the needle cylinder is arranged on the third sliding strip 302, and a rotating mechanism used for controlling the needle cylinder fixing piece to rotate is further arranged on the third sliding strip 302;
and a fourth limiting mechanism for limiting the first sliding rod 101, the second sliding rod 201 and the third sliding rod 301 is arranged on the sliding rail 4.
Through the technical scheme: before the operation, the examination of the collateral circulation of the cerebral artery is required to be performed, namely: allen test, the blood supply to the hands, the anastomosis between the radial and ulnar arteries was examined. Firstly, a surgeon simultaneously presses a radial artery and an ulnar artery by using two hands;
advising the patient to make a fist and open the fingers 5-7 times repeatedly until the palm becomes white;
and thirdly, loosening the compression on the ulnar artery, continuously keeping compressing the radial artery and observing the color change of the palm.
If the color of the palm is less than 10s, the palm rapidly turns red or returns to normal, namely the Allen test is negative; conversely, if the palm color is still pale for 10s, the Allen test is positive.
The right radial artery is routinely selected as the target vessel for puncture. The most obvious pulse of the radial artery within 2-4 cm of the proximal end of the transverse striation of the wrist (the inner side of the styloid process of the radius) is selected as the puncture point, and 1-2 ml of 1% lidocaine is locally infiltrated and anesthetized at the puncture point. Puncture the radial artery by outer trocar (Terumo) Seldinger method, remove the puncture needle after blood ejection, insert soft-head straight guide wire through the outer cannula, insert 5F radial artery sheath through the guide wire, remove the guide wire, and inject 0.2mg of nitroglycerin through the side tube of the sheath tube, inject 2500U of heparin intravenously to heparinize the whole body. The conventional 5F pigtail tube row aortic arch radiography is carried out, a selective radiography catheter uses 5FSimmon I and SimmonII catheters, loop forming technology is applied, the common carotid artery on two sides and the left vertebral artery are subjected to radiography, the catheter can be selected according to the situation on the right vertebral artery, the artery directly enters the vertebral artery under the clavicle, or the catheter is pulled back to carry out selective radiography after the aortic arch is loop formed. After the radiography, the sheath is removed and the catheter is compressed for 6h by a special radial artery hemostat. The radial artery is superficial in position, does not need special skin preparation and private part exposure, and postoperative hemostasis by compression is convenient, and postoperative local hematoma, arteriovenous fistula, and arterial dissection rate are less.
The radial artery is positioned on the arm, even if some nerve reflexes are hit, the tetany of the hands can be caused in the operation process when the radial artery is operated, and the device of the invention provides a device which can limit the tetany of the arms.
Wherein in the operation process, place the hand in the position between two slide rails 4, later can set up respectively at the both ends of slide rail 4 through two touch and press mechanism 1, and one touches and presses mechanism 1 and can restrict the palm, and another touches and presses mechanism 1 and then can restrict the rear arm, and the operation region is located two positions of touching and pressing mechanism 1. In the invention, the touch mechanism 1 can be adjusted, the first sliding rod 101 can slide on the sliding rail 4 to adjust the position so as to adapt to people with different arm lengths, and then the position can be limited by the fourth limiting mechanism. Meanwhile, the first sliding bar 101 is provided with the first sliding strip 102, the first sliding strip 102 can slide up and down on the first sliding bar 101 to press the arm and the palm, and then the first sliding bar 101 is limited through the first limiting mechanism to play a role in fixing, so that the sliding device can be suitable for people with arms of different thicknesses.
The arranged leather tube fixing mechanism 2 is used for fixing a leather tube, an outer sleeve is used in the second step and the third step, the part of the outer sleeve is inserted into an artery, the artery is damaged due to the fact that the outer sleeve is moved too much, the outer sleeve is manually held by hands in the prior art, fixing can be achieved through a leather tube fixing piece in the application, meanwhile, the second sliding rod 201 can slide on the sliding rail 4, when the outer sleeve slides to a proper position, the second sliding rod 201 can be fixed through the fourth limiting mechanism, in height, the second sliding strip 202 is connected to the second sliding rod 201 in a sliding mode, then limiting can be achieved after adjustment is completed through the second limiting mechanism, and adjustment can be achieved through the sliding block 203 in the horizontal direction.
The needle cylinder can be adjusted, the third sliding rod 301 can slide on the sliding rail 4, the position can be adjusted to adapt to people with different arm lengths, and then the position can be limited through the fourth limiting mechanism. Meanwhile, a third sliding strip 302 is arranged on the third sliding rod 301, the third sliding strip 302 can slide up and down on the third sliding rod 301 to adjust the position in the height direction, then the third sliding rod 301 is limited by a third limiting mechanism to play a role in fixing, the needle cylinder is fixed on a needle cylinder fixing piece, a rotating mechanism is arranged on the needle cylinder fixing piece to adjust the angle of the needle cylinder, so that the fixation of the needle cylinder can be realized on the one hand, and the adjustment can be carried out as required.
As an improved specific embodiment, the first sliding rod 101 is provided with a plurality of first slots 103, the first sliding strip 102 is provided with a first through hole 104, the first limiting mechanism includes a first insertion rod 105 provided on the first through hole 104 for inserting into the first slots 103, the first sliding strip 102 is provided with a first mounting groove 106 communicated with the first through hole 104, the first insertion rod 105 is provided with a first mounting plate 107 at a position corresponding to the first mounting groove 106, the first mounting plate 107 is provided with a first return spring 108, one end of the first return spring 108 is fixed on the first mounting plate 107, the other end of the first return spring is fixed on the inner wall of the first mounting groove 106, the first return spring 108 keeps the first insertion rod 105 separated from the first slots 103, the first sliding strip 102 is provided with a first conducting groove 109 communicated with the first through hole 104, the first conducting groove 109 is slidably connected with a first limiting block 110, the first limiting block 110 is abutted against the end of the first inserting rod 105 facing away from the first slot 103 to keep the first inserting rod 105 inserted into the first slot 103, the first limiting block 110 is provided with a first groove 111, when the first groove 111 is aligned with the first through hole 104, the first inserting rod 105 is sunk into the first groove 111 and separated from the first slot 103, one end of the first inserting rod 105 facing away from the first groove 111 is provided with a first inclined surface 112, the first groove 111 is provided with a second inclined surface 113 matched with the first inclined surface 112, one end of the first limiting block 110 extends out of the first conducting groove 109, one end of the first limiting block 110 extending out of the first conducting groove 109 is provided with a first pressing plate 114, a first pressing spring 115 is arranged between the first pressing plate 114 and the first sliding strip 102, one end of the first pressing spring 115 is connected with the first pressing plate 114, and the other end is connected with the first sliding strip 102, the first pressing spring 115 keeps the first groove 111 away from the first through hole 104, the first sliding rod 101 is provided with a first slide rail 117 extending towards the slide rail 4, and the first sliding bar 102 is provided with a first sliding block 118 connected to the first slide rail 117 in a sliding manner.
Through the technical scheme: in the using process of the pressing mechanism 1, in a normal process, under the action of the restoring force of the first pressing spring 115, the first groove 111 on the first limiting block 110 can be kept to be separated from the first through hole 104, so that the first limiting block 110 can be kept to be abutted against the first insertion rod 105, thereby deforming the first restoring spring 108, and the first insertion rod 105 is inserted into the first insertion groove 103 all the time, so as to play a fixing role. When adjustment is needed, the first pressing plate 114 can be pressed down to deform the first pressing spring 115 and push the first stopper 110 to move, so that the first groove 111 on the first stopper 110 is aligned with the first through hole 104, then under the action of the restoring force of the first spring, one end of the first insertion rod 105 passes through the first through hole 104 and sinks into the first groove 111, and the first insertion rod 105 leaves the first slot 103, so that the up-and-down position of the first sliding strip 102 can be adjusted, after the adjustment is completed, the first pressing plate 114 is released, under the action of the restoring force of the first pressing spring 115, the first stopper 110 is driven to move, so that the first groove 111 is separated from the first through hole 104, and simultaneously the first groove 111 and the first inclined surface 112 and the second inclined surface 113 on the first insertion rod 105 are matched, the first insertion rod 105 can be pushed and reinserted into the first slot 103, this forms a fixed state, and in addition, the first sliding rod 101 can move along the first sliding path without being deviated by the cooperation of the first slide rail 117 and the first slide block 118.
As an improved specific embodiment, the second sliding rod 201 is provided with a plurality of second slots 204, the second sliding strip 202 is provided with second through holes 205, the second limiting mechanism includes a second inserting rod 206 disposed on the second through holes 205 and used for being inserted into the second slots 204, the second sliding strip 202 is provided with a second mounting groove 207 communicated with the second through holes 205, the second inserting rod 206 is provided with a second mounting plate 208 at a position corresponding to the second mounting groove 207, the second mounting plate 208 is provided with a second return spring 209, one end of the second return spring 209 is fixed on the second mounting plate 208, the other end of the second return spring 209 is fixed on the inner wall of the second mounting groove 207, the second return spring 209 keeps the second inserting rod 206 inserted into the second slots 204, the second slots 204 are hemispherical, the end of the second inserting rod 206 inserted into the second slots 204 is hemispherical, the second sliding rod 201 is provided with a second sliding rail 210 extending towards the sliding rail 4, the second sliding rod 202 is provided with a second sliding block 211 connected to the second sliding rail 210 in a sliding manner, the second sliding rod 201 is provided with a transverse sliding rail 212, the transverse sliding rail 212 is provided with a sliding portion 213 therein, the sliding block 203 is provided with a transverse sliding block 214 connected to the sliding portion 213 in a sliding manner, the cross sections of the transverse sliding block 214 and the sliding portion 213 are both dovetail-shaped, the leather hose fixing member comprises two mutually clamping splints 215 arranged on the sliding block 203, the splints 215 are provided with first hinge holes 216, the sliding block 203 is provided with a hinge rod 217, the hinge rod 217 is hinged to the first hinge hole 216, a first torsion spring 218 is arranged between the splints 215 and the sliding block 203, the first torsion spring 218 is sleeved on the hinge rod 217, and one end of the first torsion spring 218 is fixedly connected to the splints 215, the other end of the transverse sliding rail 212 is fixedly connected with the hinge block, a plurality of second limiting holes 219 are formed in two inner walls of the transverse sliding rail 4, which extend towards the direction of the sliding rail 4, the sliding block 203 is provided with an inner groove 220, two rows of plates 221 are arranged in the inner groove 220, a repulsion spring 222 is arranged between the two rows of plates 221, a first through hole 223 communicated with the inner groove 220 is formed in the position, opposite to the second limiting hole 219, of the sliding block 203, a second through hole 224 communicated with the inner groove 220 is formed in the position, extending out of the transverse sliding rail 212, of the sliding block 203, a second limiting rod 225 is arranged on the row of plates 221, the second limiting rod 225 penetrates out of the first through hole 223 and is used for being inserted into the second limiting hole 219, a pressing rod 226 is arranged on the row of plates 221, the pressing rod 226 penetrates out of the second through hole 224, and the pressing rod 226 is.
Through the technical scheme: itself, in the in-process of fixed leather hose, the external force that receives is less, under normal condition, only need second answer spring 209 keep second inserted bar 206 insert in second slot 204 can, because second inserted bar 206 tip and second slot 204 are hemispherical, can accomplish the displacement about can directly promoting, can follow hemispherical second slot 204 retraction along the inserted bar in promoting the process, second answer spring 209 is compressed, when entering into next second slot 204, under the effect of the restoring force of second answer spring 209, can make second inserted bar 206 stretch into second slot 204 again, form a marble fixed knot structure like this, convenient adjustment, it is fixed under the less circumstances of suitable external force. In fixing the leather hose, two clamping plates 215 are struck, the leather hose is put therein, and after being loosened, the leather hose is clamped by the restoring force of the first torsion spring 218, in the process of adjusting the position laterally, in the initial state, the two row plates 221 are separated from each other by the repulsive spring 222, and at this time, the second stopper rod 225 is inserted into the second stopper hole 219 through the first head hole, the transverse sliding block 214 is limited, when the displacement is needed, the press rod 226 penetrating out of the second through hole 224 is pressed, the two row plates 221 are close to each other, so that the second limiting rod 225 passes through the second limiting hole 219, thereby ensuring that the sliding block 203 can slide, after completion, the pressing rod 226 is released, the row plate 221 is separated therefrom by the restoring force of the repulsive spring 222, so that the second stopper rod 225 is inserted into the second stopper hole 219 to perform a fixing function. Meanwhile, the cross section of the transverse sliding block 214 and the cross section of the sliding part 213 are arranged in a dovetail shape, so that the sliding block 203 cannot deviate in the sliding process. In addition, the second sliding bar 201 can move along the second sliding channel without deviation through the cooperation of the second sliding rail 210 and the second sliding block 211.
As an improved specific embodiment, the third sliding rod 301 is provided with a plurality of third slots 303, the third sliding strip 302 is provided with a third through hole 304, the third limiting mechanism includes a third inserting rod 305 disposed on the third through hole 304 for being inserted into the third slot 303, the third sliding strip 302 is provided with a third mounting groove 306 communicated with the third through hole 304, the third inserting rod 305 is provided with a third mounting plate 307 at a position corresponding to the third mounting groove 306, the third mounting plate 307 is provided with a third return spring 308, one end of the third return spring 308 is fixed on the third mounting plate 307, the other end of the third return spring is fixed on the inner wall of the third mounting groove 306, the third return spring 308 keeps the third inserting rod 305 separated from the third slot 303, the third sliding strip 302 is provided with a third conducting groove 309 communicated with the third through hole 304, the third conducting groove 309 is slidably connected with a third limiting block 310, the third limiting block 310 abuts against the end of the third insertion rod 305 opposite to the third insertion groove 303 to keep the third insertion rod 305 inserted into the third insertion groove 303, the third limiting block 310 is provided with a third groove 311, when the third groove 311 aligns with the third through hole 304, the third insertion rod 305 sinks into the third groove 311 and separates from the third insertion groove 303, one end of the third insertion rod 305 opposite to the third groove 311 is provided with a third inclined surface 336, the third groove 311 is provided with a fourth inclined surface 337 matching with the third inclined surface 336, one end of the third limiting block 310 extends out of the third conduction groove 309, one end of the third limiting block 310 extending out of the third conduction groove 309 is provided with a second pressing plate 312, a second pressing spring 313 is arranged between the second pressing plate 312 and the third sliding strip 302, one end of the second pressing spring 313 is connected with the second pressing plate 312, and the other end is connected with the third sliding strip 302, the second pressing spring 313 keeps the third groove 311 away from the third through hole 304, the third sliding rod 301 is provided with a third slide way 314 extending towards the slide rail 4, and the third sliding bar 302 is provided with a third sliding block 315 connected to the third slide way 314 in a sliding manner;
through the technical scheme: in a normal process, under the action of the restoring force of the third pressing spring, the third groove 311 on the third stopper 310 can be kept to be separated from the third through hole 304, so that the third stopper 310 can be kept to abut against the third inserting rod 305, thereby deforming the third restoring spring 308, and the third inserting rod 305 is inserted into the third inserting groove 303 to play three fixing roles. When the adjustment is needed, the second pressing plate 312 can be pressed down to deform the third pressing spring, so as to push the third stopper 310 to move, so that the third groove 311 on the third stopper 310 aligns with the third through hole 304, then under the action of the restoring force of the third spring, the three ends of the third insertion rod 305 pass through the third through hole 304, sink into the third groove 311, and make the third insertion rod 305 leave the third slot 303, so as to adjust the up-and-down position of the third sliding bar 302, after the adjustment is completed, the third second pressing plate 312 is released, under the action of the restoring force of the third pressing spring, the third stopper 310 is driven to move, so that the third groove 311 leaves the third through hole 304, and simultaneously, the third groove 311 and the third inclined surface 336 and the fourth inclined surface 337 on the third insertion rod 305 cooperate, the third insertion rod 305 can be pushed to be reinserted into the third slot 303, this forms a fixed state, and in addition, the third sliding rod 301 can move along the third sliding path without deviation through the cooperation of the third sliding rail 314 and the third sliding block 315.
The needle cylinder fixing piece comprises a mounting block 316 arranged on a third limiting block 310, a through hole 317 is formed in the mounting block 316, a rotating shaft 318 is arranged in the through hole 317, one end of the rotating shaft 318 extends out of the through hole 317, a first connecting plate 319 is arranged at one end of the rotating shaft 318 extending out of the through hole 317, the first connecting plate 319 extends towards the direction of a sliding rail 4, a second connecting plate 320 is arranged on the first connecting plate 319, the second connecting plate 320 is arranged towards the sliding rail 4 at the other side from the sliding rail 4 at one side, a fixed plate 321 is arranged at the end part of the second connecting plate 320 towards the sliding rail 4 at one side, a first arc-shaped notch 322 is arranged on the fixed plate 321 towards the sliding rail 4 at the other side, an auxiliary sliding way 323 is arranged on the second connecting plate 320, a movable plate 324 is connected to one side of the top plate in a sliding manner, an auxiliary sliding block, a second arc-shaped notch 326 is formed in one side, facing the fixed plate 321, of the movable plate 324, an auxiliary spring 327 for keeping the movable plate 324 to move towards the fixed plate 321 is arranged on the auxiliary slide way 323 and the auxiliary slide block 325, one end of the auxiliary spring 327 is fixed on the auxiliary slide block 325, and the other end of the auxiliary spring 327 is fixed on the inner wall of the auxiliary slide way 323;
through the technical scheme, the movable plate 324 can be pulled apart in the process of fixing the syringe, the first arc-shaped notch 322 and the second arc-shaped notch 326 are separated, the auxiliary sliding block 325 on the movable plate 324 can enable the movable plate 324 to move along the auxiliary sliding way 323 in the pulling process, the moving track is guaranteed not to be cheap, then the syringe is put in, then the movable plate 324 is released, and under the action of the auxiliary spring 327, the syringe can be clamped by the movable plate 324 and the fixed plate 321 to play a fixing role.
The end part of one end of the shaft of the rotating shaft 318, which extends out of the through hole 317 in the back direction, is provided with a plurality of first limiting grooves 328 which are arranged in an annular array by taking the central shaft of the rotating shaft 318 as the center, the mounting block 316 is provided with a second limiting groove 329 which is coincided with the first limiting groove 328, the depth of the first limiting groove 328 is larger than that of the second limiting groove 329, the rotating shaft is provided with a hollow groove 330, the hollow groove 330 is internally provided with a pull rod 331, one end of the pull rod 331, which faces away from the hollow groove 330, is provided with a first limiting sheet 332 which is embedded into the first limiting groove 328 and the second limiting groove 329 simultaneously, the first limiting sheet 332 is provided with a second limiting sheet 333 which extends into the first limiting groove 328, a tension spring 334 is arranged between the pull rod 331 and the hollow groove 330, the tension spring 334 keeps the first limiting sheet 332 inserted into the first limiting groove 328 and the second limiting groove 329, and one end of the pull rod 331, which faces away, the pulling block 335 is pulled to separate the first position-limiting piece 332 from the first position-limiting groove 328 and the second position-limiting groove 329, and the second position-limiting piece 333 is located in the first position-limiting groove 328, so that the rotating shaft 318 is rotated.
Through the technical scheme: under the action of the tension spring 334, the pull rod 331 in a normal state enables the first limiting piece 332 to be completely sunk into the first limiting groove 328 and the second limiting groove 329, the second limiting piece 333 is inserted into the first limiting groove 328, so that the rotating shaft 318 is fixed and the first connecting plate 319 and the second connecting plate 320 are fixed and cannot rotate, when adjustment is needed, the pull block 335 can be pulled to pull out the pull rod 331, because the first limiting piece 332 is separated from the first limiting groove 328 and the second limiting groove 329, and the second limiting piece 333 is also located in the first limiting groove 328, so that the pull rod 331 can be rotated, and the angle can be adjusted. After the pulling block 335 is released, the pull rod 331 returns to the original state under the action of the tension spring 334, so as to limit the position.
As a modified specific embodiment, the first sliding rod 101, the second sliding rod 201, and the third sliding rod 301 are provided with a fourth mounting groove 401, a fourth inserting rod 402 disposed in the fourth mounting groove 401, and a fourth through hole 403 communicated with the fourth mounting groove 401, the fourth inserting rod 402 is provided with a fourth mounting plate 404, the fourth mounting plate 404 and the fourth mounting groove 401 are provided with a fourth return spring 405, one end of the fourth return spring 405 is fixed on the fourth mounting plate 404, the other end is fixed on the inner wall of the fourth mounting groove 401, the fourth return spring 405 keeps the fourth inserting rod 402 separated from the fourth slot, one end of the fourth inserting rod 402 extends out of the through hole under the action of the fourth return spring 405, the fourth limiting mechanism comprises a fourth slot 403 disposed on the inner wall of the sliding rail 4, and a baffle 406 for shielding the fourth through hole, the fourth return spring 405 keeps the fourth inserting rod 402 separated from the fourth slot, the baffle 406 is hinged on the slide rail 4, a second torsion spring 407 which keeps the baffle 406 to shield the through hole is arranged on the baffle 406, a fourth sliding groove 409 is arranged on the slide rail 4, fourth sliding blocks 408 which are matched with the fourth sliding groove 409 are arranged on the first sliding rod 101, the second sliding rod 201 and the third sliding rod 301, and the cross sections of the fourth sliding groove 409 and the fourth sliding blocks 408 are both in a dovetail shape.
Through the technical scheme: in a normal state, the baffle 406 blocks the fourth through hole 403 under the action of the second torsion spring 407, so that the fourth plunger 402 cannot pass through the fourth through hole 403, and thus the fourth return spring 405 is kept in a compressed state, the fourth plunger 402 is inserted into the fourth slot to fix the first slide lever 101, the second slide lever 201, and the third slide lever 301, when the first slide lever 101, the second slide lever 201, and the third slide lever 301 need to be moved, the baffle 406 is hinged and can be directly opened, at this time, after the limitation of the baffle 406 is not provided, the fourth plunger 402 passes through the fourth through hole 403 under the action of the return force of the fourth return spring 405, and thus the baffle is separated from the fourth slot to release the limitation on the first slide lever 101, the second slide lever 201, and the third slide lever 301.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. A transradial cerebral vascular angiographic device characterized by:
the radiography equipment comprises two sliding rails (4), wherein two ends of each sliding rail (4) are provided with a touch mechanism (1), and a leather hose fixing mechanism (2) and a syringe fixing mechanism (3) are arranged between the two touch mechanisms (1);
the touch mechanism (1) comprises a first sliding rod (101) connected to the sliding rail (4) in a sliding mode, the first sliding rod (101) is connected with a first sliding strip (102) which slides up and down in a sliding mode, a first limiting mechanism is arranged on the first sliding strip (102), and the first limiting mechanism is used for fixing the first sliding strip (102) on the first sliding rod (101);
the leather hose fixing mechanism (2) comprises a second sliding rod (201) connected to the sliding rail (4) in a sliding mode, the second sliding rod (201) is connected with a second sliding strip (202) which slides up and down in a sliding mode, a second limiting mechanism is arranged on the second sliding strip (202), the second limiting mechanism is used for fixing the second sliding strip (202) on the second sliding rod (201), the second sliding strip (202) is connected with a sliding block (203) in a sliding mode, the sliding block (203) moves back and forth between the two rails, and a leather hose fixing part used for fixing a leather hose is arranged on the sliding block (203);
the needle cylinder fixing mechanism (3) comprises a third sliding rod (301) connected to the sliding rail (4) in a sliding mode, the third sliding rod (301) is connected with a third sliding strip (302) which slides up and down in a sliding mode, a third limiting mechanism is arranged on the first sliding strip (102), the third limiting mechanism is used for fixing the third sliding strip (302) on the third sliding rod (301), a needle cylinder fixing piece used for fixing the needle cylinder is arranged on the third sliding strip (302), and a rotating mechanism used for controlling the needle cylinder fixing piece to rotate is further arranged on the third sliding strip (302); the third sliding rod (301) is used for sliding on the sliding rail (4) so as to adjust the syringe position; the third sliding bar (302) is used for sliding up and down on the third sliding rod (301) to adjust the position in the height direction; the third limiting mechanism is used for limiting a third sliding rod (301); the rotating mechanism arranged on the needle cylinder fixing piece is used for adjusting the angle of the needle cylinder;
a fourth limiting mechanism for limiting the positions of the first sliding rod (101), the second sliding rod (201) and the third sliding rod (301) is arranged on the sliding rail (4);
the first sliding rod (101) is provided with a plurality of first slots (103), the first sliding strip (102) is provided with a first through hole (104), the first limiting mechanism comprises a first inserting rod (105) which is arranged on the first through hole (104) and used for being inserted into the first slot (103), the first sliding strip (102) is provided with a first mounting groove (106) communicated with the first through hole (104), the position of the first inserting rod (105) relative to the first mounting groove (106) is provided with a first mounting plate (107), the first mounting plate (107) is provided with a first return spring (108), one end of the first return spring (108) is fixed on the first mounting plate (107), the other end of the first return spring is fixed on the inner wall of the first mounting groove (106), the first return spring (108) keeps the first inserting rod (105) separated from the first slot (103), the first sliding strip (102) is provided with a first conducting groove (109) communicated with the first through hole (104), the first guiding groove (109) is connected with a first limiting block (110) in a sliding manner, the first limiting block (110) is abutted against the end part of a first insertion rod (105) back to the first slot (103) to keep the first insertion rod (105) inserted into the first slot (103), a first groove (111) is arranged on the first limiting block (110), when the first groove (111) is aligned with the first through hole (104), the first insertion rod (105) is sunk into the first groove (111) and separated from the first slot (103), one end of the first insertion rod (105) back to the first groove (111) is set to be a first inclined surface (112), a second inclined surface (113) matched with the first inclined surface (112) is arranged on the first groove (111), one end of the first limiting block (110) extends out of the first guiding groove (109), and one end of the first limiting block (110) extending out of the first guiding groove (109) is provided with a first pressing plate (114), a first pressing spring (115) is arranged between the first pressing plate (114) and the first sliding strip (102), one end of the first pressing spring (115) is connected with the first pressing plate (114), the other end of the first pressing spring (115) is connected with the first sliding strip (102), the first pressing spring (115) keeps the first groove (111) separated from the position of the first through hole (104), a first slide way (117) extending towards the track strip is arranged on the first sliding rod (101), and a first sliding block (118) connected to the first slide way (117) in a sliding mode is arranged on the first sliding strip (102);
the second sliding rod (201) is provided with a plurality of second slots (204), the second sliding strip (202) is provided with a second through hole (205), the second limiting mechanism comprises a second inserting rod (206) which is arranged on the second through hole (205) and used for inserting the second slot (204), the second sliding strip (202) is provided with a second mounting groove (207) communicated with the second through hole (205), the second inserting rod (206) is provided with a second mounting plate (208) at a position corresponding to the second mounting groove (207), the second mounting plate (208) is provided with a second return spring (209), one end of the second return spring (209) is fixed on the second mounting plate (208), the other end of the second return spring is fixed on the inner wall of the second mounting groove (207), the second return spring (209) keeps the second inserting rod (206) inserted into the second slot (204), and the second slot (204) is hemispherical, the end part of the second inserting rod (206) inserted into the second slot (204) is hemispherical with the second slot (204), a second slide way (210) extending towards the track strip is arranged on the second sliding rod (201), a second sliding block (211) connected on the second slide way (210) in a sliding way is arranged on the second sliding strip (202), a transverse slide way (212) is arranged on the second sliding rod (201), a sliding part (213) is arranged in the transverse slide way (212), a transverse sliding block (214) connected on the sliding part (213) in a sliding way is arranged on the sliding block (203), the cross sections of the transverse sliding block (214) and the sliding part (213) are both dovetail-shaped, the leather hose fixing piece comprises two mutually clamping plates (215) arranged on the sliding block (203), a first hinging hole (216) is arranged on each clamping plate (215), and a hinging rod (217) is arranged on the sliding block (203), the hinge rod (217) is hinged with a first hinge hole (216), a first torsion spring (218) is arranged between the clamping plate (215) and the sliding block (203), the first torsion spring (218) is sleeved on the hinge rod (217), one end of the first torsion spring (218) is fixedly connected with the clamping plate (215), the other end of the first torsion spring is fixedly connected with the hinge block, a plurality of second limiting holes (219) are arranged on two inner walls of the transverse slideway (212) facing the track extension sliding rail (4), an inner groove (220) is arranged on the sliding block (203), two row plates (221) are arranged in the inner groove (220), a repelling spring (222) is arranged between the two row plates (221), a first through hole (223) communicated with the inner groove (220) is arranged at the position of the sliding block (203) corresponding to the second limiting hole (219), and a second through hole (224) communicated with the inner groove (220) is arranged at the position of the sliding block (203) extending out of the transverse slideway (212), the row plate (221) is provided with a second limiting rod (225), the second limiting rod (225) penetrates out of the first through hole (223) and is used for being inserted into the second limiting hole (219), the row plate (221) is provided with a pressing rod (226), the pressing rod (226) penetrates out of the second through hole (224), and the pressing rod (226) is pressed, so that the second limiting rod (225) is separated from the second limiting hole (219).
2. A transradial cerebral vascular imaging apparatus as set forth in claim 1, wherein: the third sliding rod (301) is provided with a plurality of third slots (303), a third through hole (304) is formed in the third sliding strip (302), the third limiting mechanism comprises a third inserting rod (305) which is arranged on the third through hole (304) and used for being inserted into the third slot (303), a third mounting groove (306) communicated with the third through hole (304) is formed in the third sliding strip (302), a third mounting plate (307) is arranged at the position, opposite to the third mounting groove (306), of the third inserting rod (305), a third return spring (308) is arranged on the third mounting plate (307), one end of the third return spring (308) is fixed on the third mounting plate (307), the other end of the third return spring is fixed on the inner wall of the third mounting groove (306), the third return spring (308) keeps the third inserting rod (305) separated from the third slot (303), a third conducting groove (309) communicated with the third through hole (304) is formed in the third sliding strip (302), a third limiting block (310) is connected in the third conduction groove (309) in a sliding manner, the third limiting block (310) is abutted against the end part of a third insertion rod (305) back to the third slot (303) to keep the third insertion rod (305) inserted into the third slot (303), a third groove (311) is arranged on the third limiting block (310), when the third groove (311) is aligned with the third through hole (304), the third insertion rod (305) is sunk into the third groove (311) and separated from the third slot (303), one end of the third insertion rod (305) back to the third groove (311) is set as a third inclined surface (336), a fourth inclined surface (337) matched with the third inclined surface (336) is arranged on the third groove (311), one end of the third limiting block (310) extends out of the third conduction groove (309), and one end of the third limiting block (310) extending out of the third conduction groove (309) is provided with a second pressing plate (312), a second pressing spring (313) is arranged between the second pressing plate (312) and the third sliding strip (302), one end of the second pressing spring (313) is connected with the second pressing plate (312), the other end of the second pressing spring is connected with the third sliding strip (302), the second pressing spring (313) keeps the third groove (311) separated from the position of the third through hole (304), a third sliding way (314) extending towards the track strip is arranged on the third sliding rod (301), and a third sliding block (315) connected to the third sliding way (314) in a sliding manner is arranged on the third sliding strip (302);
the needle cylinder fixing piece comprises a mounting block (316) arranged on a third limiting block (310), a through hole (317) is formed in the mounting block (316), a rotating shaft (318) is arranged in the through hole (317), one end of the rotating shaft (318) extends out of the through hole (317), a first connecting plate (319) is arranged at one end of the rotating shaft (318) extending out of the through hole (317), the first connecting plate (319) extends towards the track direction, a second connecting plate (320) is arranged on the first connecting plate (319), the second connecting plate (320) is arranged towards the track at the other side from the track at one side, a fixed plate (321) is arranged at the end part of the second connecting plate (320) towards the track at one side, a first arc-shaped notch (322) is arranged on the fixed plate (321) towards the track at the other side, an auxiliary slide way (323) is arranged on the second connecting plate (320), and a movable plate (324) is connected to one side of the second connecting plate, an auxiliary sliding block (325) connected to the auxiliary sliding way (323) in a sliding mode is arranged on the movable plate (324), a second arc-shaped notch (326) is arranged on one side, facing the fixed plate (321), of the movable plate (324), an auxiliary spring (327) used for keeping the movable plate (324) moving towards the fixed plate (321) is arranged on the auxiliary sliding way (323) and the auxiliary sliding block (325), one end of the auxiliary spring (327) is fixed to the auxiliary sliding block (325), and the other end of the auxiliary spring is fixed to the inner wall of the auxiliary sliding way (323);
the end portion of one end of the shaft (318) extending out of the through hole (317) in the opposite direction is provided with a plurality of first limiting grooves (328) which are annularly arranged by taking the central shaft of the shaft (318) as the center, the mounting block (316) is provided with a second limiting groove (329) coinciding with the first limiting groove (328), the depth of the first limiting groove (328) is larger than that of the second limiting groove (329), the shaft is provided with a hollow groove (330), a pull rod (331) is arranged in the hollow groove (330), one end of the pull rod (331) facing away from the hollow groove (330) is provided with a first limiting piece (332) which is embedded into the first limiting groove (328) and the second limiting groove (329) simultaneously, the first limiting piece (332) is provided with a second limiting piece (333) extending into the first limiting groove (328), a tension spring (334) is arranged between the pull rod (331) and the hollow groove (330), and the tension spring (334) keeps the first limiting piece (332) inserted into the first limiting groove (328) and the second limiting groove (328) (328 329) In, the pull rod (331) is provided with the pull block (335) in the one end that faces away from dead slot (330), pulls the pull block (335) and makes first spacing piece (332) break away from first spacing groove (328) and second spacing groove (329), and makes second spacing piece (333) be located in first spacing groove (328), makes pivot (318) rotated.
3. A transradial cerebral vascular imaging apparatus as set forth in claim 1, wherein: the sliding rail is characterized in that a fourth mounting groove (401), a fourth insertion rod (402) arranged in the fourth mounting groove (401), and a fourth perforation (403) communicated with the fourth mounting groove (401) are arranged on the first sliding rod (101), the second sliding rod (201) and the third sliding rod (301), a fourth mounting plate (404) is arranged on the fourth insertion rod (402), a fourth return spring (405) is arranged in the fourth mounting plate (404) and the fourth mounting groove (401), one end of the fourth return spring (405) is fixed on the fourth mounting plate (404), the other end of the fourth return spring is fixed on the inner wall of the fourth mounting groove (401), the fourth return spring (405) keeps the fourth insertion rod (402) separated from the fourth slot, one end of the fourth insertion rod (402) extends out of the perforation under the action of the fourth return spring (405), and the fourth limiting mechanism comprises a fourth slot, a fourth slot and a fourth limiting mechanism arranged on the inner wall of the sliding rail (4), And the baffle (406) is used for shielding the fourth through hole (403), the baffle (406) is hinged to the track, a second torsion spring (407) for keeping the baffle (406) to shield the fourth through hole is arranged on the baffle (406), a fourth sliding groove (409) is arranged on the sliding rail (4), fourth sliding blocks (408) matched with the fourth sliding groove (409) are arranged on the first sliding rod (101), the second sliding rod (201) and the third sliding rod (301), and the cross sections of the fourth sliding groove (409) and the fourth sliding blocks (408) are both in a dovetail shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810323431.XA CN108744117B (en) | 2018-04-11 | 2018-04-11 | Radial artery cerebral vessel radiography equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810323431.XA CN108744117B (en) | 2018-04-11 | 2018-04-11 | Radial artery cerebral vessel radiography equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108744117A CN108744117A (en) | 2018-11-06 |
| CN108744117B true CN108744117B (en) | 2021-02-19 |
Family
ID=63981544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810323431.XA Expired - Fee Related CN108744117B (en) | 2018-04-11 | 2018-04-11 | Radial artery cerebral vessel radiography equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108744117B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112554187A (en) * | 2020-11-18 | 2021-03-26 | 温州竺陌机械科技有限公司 | Steel-pipe pile construction guiding mechanism based on pile foundation engineering |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236432A (en) * | 1988-04-26 | 1993-08-17 | Board Of Regents Of The University Of Washington | Robot-aided system for surgery |
| CN204158817U (en) * | 2014-09-25 | 2015-02-18 | 荆艳艳 | Cardio angiographic unfolder |
| CN106492315A (en) * | 2016-12-01 | 2017-03-15 | 中国人民解放军第四军医大学 | A kind of special body fixing rack of Anesthesia Department |
| CN208678061U (en) * | 2018-04-11 | 2019-04-02 | 温州市中心医院 | A kind of cerebrovascular contrast apparatus of trans-radial |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4579324A (en) * | 1981-05-27 | 1986-04-01 | Mcconnell Bernard E | Universal extremity positioner |
| US5047036A (en) * | 1989-11-17 | 1991-09-10 | Koutrouvelis Panos G | Stereotactic device |
| CN203954422U (en) * | 2014-07-07 | 2014-11-26 | 中国人民解放军第三军医大学第二附属医院 | Secured adjusted device for oxygen catheter |
| CN104491959B (en) * | 2015-01-06 | 2017-08-25 | 四川大学华西医院 | Multifunctional hand arm support |
| CN205360151U (en) * | 2016-02-01 | 2016-07-06 | 王志宏 | Angiocardiography nursing device |
| CN205924609U (en) * | 2016-04-22 | 2017-02-08 | 上海市浦东新区周浦医院 | Syringe fixing device |
-
2018
- 2018-04-11 CN CN201810323431.XA patent/CN108744117B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5236432A (en) * | 1988-04-26 | 1993-08-17 | Board Of Regents Of The University Of Washington | Robot-aided system for surgery |
| CN204158817U (en) * | 2014-09-25 | 2015-02-18 | 荆艳艳 | Cardio angiographic unfolder |
| CN106492315A (en) * | 2016-12-01 | 2017-03-15 | 中国人民解放军第四军医大学 | A kind of special body fixing rack of Anesthesia Department |
| CN208678061U (en) * | 2018-04-11 | 2019-04-02 | 温州市中心医院 | A kind of cerebrovascular contrast apparatus of trans-radial |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108744117A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60128355T2 (en) | SURGICAL CLAWER | |
| US6488693B2 (en) | Vascular incisor and method | |
| US7803167B2 (en) | Handle for suturing apparatus | |
| DE69925185T2 (en) | Sewing device for closing a blood vessel opening | |
| US8080034B2 (en) | Vascular hemostasis device and deployment apparatus | |
| US4345596A (en) | Arterial catherization device | |
| CN108903953B (en) | Safe blood taking needle structure | |
| US20050177183A1 (en) | Guide-wire steered variable incision width safety scalpel | |
| CN109394349B (en) | Painful branch of academic or vocational study is with anesthesia puncture fixer | |
| US10588664B2 (en) | Subcutaneous implant delivery apparatus and method of delivering a subcutaneous implantable device for accessing a vascular site | |
| CN108744117B (en) | Radial artery cerebral vessel radiography equipment | |
| CN116367878A (en) | Microneedle patch application system | |
| CN215228088U (en) | Intracardiac branch of academic or vocational study radial artery puncture extubation hemostasis by compression device | |
| DE60132344T2 (en) | INSTRUMENT FOR ANASTOMOSIS | |
| CN208678061U (en) | A kind of cerebrovascular contrast apparatus of trans-radial | |
| CN210472239U (en) | Sternum positioning puncture device | |
| CN205094534U (en) | Radial artery hemostatic instrument | |
| CN112043358A (en) | Medical oncology medicine intervenes treatment device | |
| CN105286940B (en) | Radial artery hemostat | |
| CN207912977U (en) | A kind of remaining needle | |
| CN220193085U (en) | Suture gun with limiting function | |
| CN218106501U (en) | Venous indwelling needle with thread gluing | |
| Folkow | Resistance to blood flow at maximal vasodilatation. | |
| CN213489076U (en) | Disposable special compressor after low molecular heparin hypodermic injection | |
| CN215874880U (en) | Novel interventional therapy puncture device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |