CN112545701B - Wire bolt, fixer, wire bolt operating device and using method - Google Patents

Abstract

The invention discloses a wire bolt, a fixer, a wire bolt operating device and a using method, wherein the wire bolt operating device comprises a bolt tube and an inserted bar movably arranged in the bolt tube, wherein the inserted bar comprises a tip positioned at the end part of the inserted bar; when the wire bolt is in a first state, the sharp end extends out of the bolt tube and is fixed at a port of the bolt tube, and the wire bolt forms a sharp part with a puncture function for puncture; when the wire bolt is in the second state, the tip is positioned in the bolt tube, and the inserted rod is clamped and fixed with the bolt tube through the plugging part so as to prevent fluid from flowing out of the bolt tube. The invention can facilitate puncturing of a blood vessel and insertion of a wire plug into the blood vessel.

Description

Wire bolt, fixer, wire bolt operating device and using method

Technical Field

The invention relates to the field of wire bolt operating devices, in particular to a wire bolt, a fixer, a wire bolt operating device and a using method.

Background

The thread plug is generally used for making a model (for example, MCAO model) for simulating cerebral ischemia, the thread plug method is a conventional method developed by MCAO experiments at present, and nylon thread is often used as the thread plug for molding.

When a cerebral artery embolism model is manufactured, a wire embolism is not directly inserted into an artery in the brain, but is inserted into an anterior cerebral artery after a carotid artery and a carotid artery enter a skull, so that the blood supply of the artery in the brain is blocked, and the following defects exist when the operation is carried out: the wire bolt commonly used at present is a commercial monofilament nylon wire, the head part of the wire bolt is wrapped by silica gel, and the price of the mouse silica gel wire bolt is dozens of to thousands of yuan. In the MCAO model, the wire plug needs to be left in the blood vessel for 1-2 hours, and the blood vessel is not straight, so the wire plug is easy to deform after the wire plug is placed for a long time, and the wire plug becomes a disposable consumable and causes the experiment cost to be increased. After the wire plug is placed in the blood vessel, the wire plug can deviate due to the centripetal impact force of arterial blood and the retraction force of the blood vessel, so that the middle cerebral artery is not completely blocked. When the forceps are used, the line plug is clamped by the forceps of ophthalmology and sent into the blood vessel, if the force and the angle are not well controlled, the nylon line or the silica gel head can be deformed, and the forceps can not be used continuously. When concrete operation, need earlier with micro-scissors at external carotid artery and cut a V word incision, then slowly insert the line bolt through the incision, nevertheless because external carotid artery is thinner, have blood to flow out after the blood vessel is punctured, the incision is fuzzy gradually, owing to adopt be step by step operation, the blood that flows out after the incision operation will influence the line bolt and insert the visual field of incision, increases the plug degree of difficulty, and then increases the mould making degree of difficulty, influences the mould making success rate.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a wire bolt, a fixer, a wire bolt operating device and a using method, which can facilitate puncturing a blood vessel and inserting the wire bolt into the blood vessel.

In order to solve the technical problem, the invention provides a wire bolt, which comprises a bolt tube and an inserted rod movably arranged in the bolt tube, wherein the inserted rod comprises a tip at the end part; when the wire bolt is in a first state, the sharp end extends out of the bolt tube and is fixed at a port of the bolt tube, and the wire bolt forms a sharp part with a puncture function for puncture; when the wire bolt is in the second state, the tip is positioned in the bolt tube, and the inserted rod is clamped and fixed with the bolt tube through the plugging part so as to prevent fluid from flowing out of the bolt tube.

Further, the end part of the bolt tube is provided with a flange which is used for abutting against the tip; preferably, the strength of the plunger is greater than or equal to the strength of the plug tube.

Furthermore, the plugging part comprises a convex part and a butt joint part, and when the inserted link is provided with the convex part, the corresponding butt joint part is arranged in the bolt pipe; or when the inserted link is provided with the butt joint part, the corresponding bulge part is arranged in the bolt pipe;

wherein, the protruding portion is at least one, the butt joint department is at least one group.

Furthermore, a pull rope is connected to the inserted link, the free end of the pull rope extends out of the bolt tube, and the pull rope is used for pulling the inserted link to move; preferably, a silicone ring is arranged on the plug tube, and the length of the silicone ring is greater than or equal to 1/3 of the insertion depth of the plug tube.

Another object of the present invention is to provide a fastener for adapting the wire bolt of the present invention, comprising a main body and an abutment section, the abutment section being connected to the main body by a linkage section; the linkage section is used for adjusting the position of the abutting section relative to the main body, and the abutting section is used for contacting and pushing the inserted rod; preferably, the main body is provided with a friction part, and the friction part comprises a rough treatment, a frosted sheet or a flexible sheet.

Further, the linkage section comprises a first elastic piece, a first connecting rod and a locking piece, the first connecting rod is connected with the main body through the first elastic piece, and the first connecting rod is connected with the abutting section; the locking piece includes gear portion and locking end, gear portion with the meshing of first connecting rod is used for driving locking end joint or break away from the bolt pipe.

Further, the linkage section comprises a second elastic piece, a second connecting rod and a locking bolt, the second connecting rod is connected with the main body through the second elastic piece, and the second connecting rod is connected with the abutting section; the bolt pipe is provided with a first communicating hole matched with the locking bolt, and the abutting section is at least provided with a group of second communicating holes matched with the locking bolt; the locking bolt can penetrate through the first communication hole and the second communication hole.

Furthermore, a surrounding edge is arranged at the end part of the main body, a third communication hole matched with the locking bolt is formed in the surrounding edge, and the axis of the third communication hole is collinear with the axis of the second communication hole.

Another object of the present invention is to provide a wire-bolt operating device comprising the wire-bolt of the present invention and the holder of the present invention.

The invention has the beneficial effects that:

when the tip is ejected out of the inner part of the bolt tube, the wire bolt can be used for directly puncturing; when the tip is completely contracted into the interior of the bolt tube and the inserted rod and the bolt tube are clamped and fixed at the moment, the tip is contracted into the accommodating cavity, and one end of the accommodating cavity is closed by the end part of the inserted rod, which is far away from the tip, so that the wire bolt can prevent fluid from flowing out of the bolt tube to realize the plugging of the bolt tube; the tip of the line bolt can be directly and slowly inserted into the blood vessel at the corresponding position of the external carotid artery, so that the operations of puncturing the blood vessel and inserting the bolt can be simultaneously realized, and the difficulty of inserting the bolt due to fuzzy incision caused by blood flowing out after the blood vessel is punctured is avoided; meanwhile, after the wire bolt is inserted into the blood vessel, the sharp end for puncture can retreat into the wire bolt, so that the risk that the sharp end punctures the blood vessel due to the bending of the blood vessel when the wire bolt advances in the blood vessel is avoided; in addition, the inserted bar seals the inside of the bolt, so that the risk of blood flowing out of the bolt in a reverse flow manner can be avoided.

Drawings

FIG. 1 is a schematic view of a wire plug according to the present invention;

FIG. 2 is a cross-sectional view of the wire-bolt of the present invention;

FIG. 3 is a schematic view of a holder according to a second embodiment of the present invention;

FIG. 4 is a schematic view of the engagement of the wire-bolt and the retainer according to the second embodiment of the present invention;

FIG. 5 is a cross-sectional view of a wire-stud and anchor according to a second embodiment of the present invention;

FIG. 6 is a cross-sectional view of a holder according to a third embodiment of the present invention;

FIG. 7 is a schematic view of the engagement of a cord lock and a retainer according to a third embodiment of the present invention;

FIG. 8 is a schematic view of the engagement of a four-wire bolt and a retainer according to an embodiment of the present invention;

fig. 9 is a schematic view of a holder according to a fourth embodiment of the present invention.

The numbering in the figures illustrates: 1. a plug tube; 11. an accommodating chamber; 12. a docking portion; 13. a first communication hole; 14. a silica gel ring; 15. a chute; 16. blocking edges; 2. a rod is inserted; 21. a tip; 22. a boss portion; 23. pulling a rope; 3. A main body; 31. a placement chamber; 32. a limiting ring; 33. surrounding edges; 331. a third communication hole; 34. a friction portion; 4. an abutment section; 41. a second communication hole; 51. a first elastic member; 52. a first link; 53. a locking member; 531. a gear portion; 532. a locking end; 61. a second elastic member; 62. a second link; 63. and locking the bolt.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Example one

Referring to fig. 1 and 2, an embodiment of a wire bolt of the present invention includes a bolt tube 1 and a plunger 2 disposed inside the bolt tube 1, the plunger 2 including a tip 21 at an end thereof. The interior of the bolt tube 1 is penetrated through and opened with a containing cavity 11 along the axial direction, the inserted bar 2 is placed in the containing cavity 11, and meanwhile, the axial direction of the inserted bar 2 and the axial direction of the bolt tube 1 are basically collinear. The plunger 2 placed in the bolt tube 1 can move relative to the bolt tube 1 along the axial direction thereof, so that the plunger 2 can be completely retracted into the bolt tube 1, and the tip 21 at the end of the plunger 2 can be extended from the interior of the bolt tube 1. When the tip 21 extends out of the interior of the key tube 1 and the plunger 2 can be fixed relative to the key tube 1 at this time, the fixation relative to the key tube 1 is realized, the first state is recorded; when the tip 21 is fully retracted inside the bolt 1 and the plunger 2 and bolt 1 are now snapped and secured, it is recorded as the second state. When the wire bolt is in the first state, the tip 21 extending from the inside of the bolt tube 1 can puncture the blood vessel; when the wire bolt is in the second state, the tip 21 is contracted into the accommodating cavity 11, and one end of the accommodating cavity 11 is closed by the end of the insertion rod 2 far away from the tip 21, so that the wire bolt can prevent fluid from flowing out of the bolt tube 1 to realize the blocking of the bolt tube 1.

In this embodiment, the material and size of the plug tube 1 may be determined according to actual requirements, for example, the plug tube 1 may be made of nylon thread, fishing line, or other materials; the size of the bolt tube 1 can be adaptively selected based on the operation object. For the parameters such as material and size, the technical problem to be solved by the present embodiment can be solved and the corresponding effect can be obtained as long as the material and the parameters are used for inserting the wire plug into the blood vessel to form the corresponding model. Similarly, the material and parameters of the insertion rod 2 and the tip 21 can be determined according to actual requirements, and preferably, the material and parameters of the insertion rod 2 and the tip 21 are higher than the strength of the catheter 1, and the catheter is curved and non-straight, so that the catheter is easy to deform after the catheter is placed for a long time, which causes the catheter to become a disposable consumable and increases the experiment cost. Therefore, the overall strength of the wire bolt can be increased by using the inserted rod with higher strength, so that the blood vessel is easy to puncture, the bolt tube 1 is prevented from deforming after staying in the blood vessel for a period of time, and the wire bolt is prevented from deviating in the blood vessel. The inserted bar 2 can be determined to be left in the wire bolt according to the operation requirement, and because the strength of the inserted bar 2 is higher than that of the bolt tube 1, the strength of the wire bolt is increased to a certain extent, the deformation and deviation of the wire bolt are reduced, the operation success rate is improved, the deformation degree of the wire bolt after a single test is reduced, the repeated use is facilitated, and the operation cost is reduced.

The end of the bolt tube 1 is provided with a rib 16, said rib 16 being intended to abut the tip 21. The bolt 1 is provided with a rib 16 on its end face adjacent the tip 21, and when the tip 21 is extended from the bolt 1, the side wall of the rib 16 engages and locks gradually with the outer wall of the tip 21. The rib 16 can apply a supporting force to the tip 21 to reduce the shaking of the tip 21 during puncturing, and the rib 16 can increase the contact area between the bolt tube 1 and the plunger 2, thereby improving the stability during puncturing of the tip 21. The shape, size and arrangement of the ribs 16 are of many different types, for example, integrally formed at the end of the bolt 1, fixed or removably attached thereto. In addition, the flanges can be arranged into a circular ring, an outer circle, an inner square and a boss (the middle part is communicated).

The inserted rod 2 is clamped and fixed with the plug tube 1 through the plugging part, so that one end of the plug tube 1 far away from the blood vessel is sealed to prevent fluid from flowing out of the plug tube. The plugging part comprises a convex part 22 and a butt joint part 12, and when the inserted link 2 is provided with the convex part 22, the corresponding butt joint part 12 is arranged in the bolt pipe 1; or when the inserted link 2 is provided with the butt joint part 12, the corresponding bulge part 22 is arranged in the bolt pipe; wherein, the convex part 22 is at least one, and the butt joint part 12 is at least one group. In this embodiment, at least one abutting portion 12 is disposed on the inner wall of the bolt tube 1, and a protrusion 22 is disposed on the outer wall of the insertion rod 2, wherein the abutting portion 12 and the protrusion 22 can be matched with each other, so as to lock the insertion rod 2 with respect to the abutting portion 12. There are many ways in which the projection 22 and the abutment 12 may be arranged, and several alternative implementations are provided in this embodiment. For example, when the insertion rod 2 is provided with one protruding portion 22, the accommodating cavity 11 may be provided with a corresponding set of abutting portions 12; or when the inserted link 2 is provided with one convex part 22, the accommodating cavity 11 is internally provided with a plurality of corresponding groups of butt joint parts 12; or when the inserted link 2 is provided with a plurality of convex parts 22, a plurality of corresponding groups of butt joint parts 12 are arranged in the accommodating cavity 11; alternatively, when the insert rod 2 is provided with a plurality of protrusions 22, a corresponding set of the butting portions 12 is provided in the accommodating cavity 11. Likewise, when the end of the plunger 2 is provided with the abutment 12 and the inner wall of the plug 1 is provided with the protrusion 22, the above technical solution is still within the protection scope of the present embodiment. In any arrangement, the technical solution to solve the technical problem to be solved in the present embodiment and achieve the corresponding effect is only to plug the thread plug to prevent the blood from flowing backwards, and belongs to the protection scope of the present application. In addition, the butt joint part 12 comprises a plurality of arrangement modes such as a protrusion and a groove, in the embodiment, the butt joint part 12 adopts the groove, and the protrusion 22 and the butt joint part 12 are in convex-concave fit, so that the relative fixation of the inserted rod 2 relative to the bolt tube 1 can be realized; meanwhile, the gap between the inserted rod 2 and the bolt tube 1 can be reduced, the strength of the wire bolt is increased, and the service life is prolonged.

A pull rope 23 is connected to the plunger 2, and the free end of the pull rope 23 extends out of the bolt tube 1, and in the embodiment, the end of the pull rope 23 is fixedly connected with the end of the plunger 2, and the pull rope 23 is positioned at the opposite end of the tip 21. When the tip 21 needs to be changed to the second state after puncturing the bolt tube 1, a pulling force is applied to the plunger 2 by the pulling rope 23 to assist the tip 21 and the rib to be separated, thereby facilitating the retraction of the plunger 2 into the accommodating cavity 11.

In the present embodiment, the friction portion 34 engaged with the operating tool or the finger is provided on the surface of the main body 3, and parameters such as the structure, shape, and installation manner of the friction portion 34 may be determined according to actual needs, and the friction portion 34 may be formed by performing a process such as scoring or sanding on the surface of the main body 3, or by adding a sanding sheet, a flexible sheet, or the like to the surface of the main body 3. Whatever the structure, shape, setting mode and other parameters, the technical solution for improving the friction between the operating tool or the finger and the main body 3 and improving the fixing effect to solve the technical problem to be solved by the present application and to obtain the corresponding effect all belongs to the protection scope of the present application.

In addition, in this embodiment, compared with the wire bolt used in the prior art, the bolt tube 1 of the present application is also provided with the silicone ring 14, but the length of the silicone ring 14 is longer than that of the silicone ring 14 in the prior art, and the length of the silicone ring 14 is greater than or equal to 1/3 of the insertion depth of the bolt tube 1. On one hand, the lengthened silica gel ring 14 can improve the success rate and effect of blocking blood flow; on the other hand, the longer length silicone ring 14 can more effectively prevent the tip 21 from puncturing the cannula 1 and damaging the blood vessel. In the specific design, the length of the mouse silica gel ring 14 is at least 4mm, and the length of the rat silica gel ring 14 is at least about 6 mm.

When the operation is carried out specifically, the sharp part of the line bolt can be directly and slowly inserted into the blood vessel at the corresponding position of the external carotid artery, the operation of puncturing the blood vessel and inserting the bolt can be simultaneously realized, and the difficulty that the incision is fuzzy and the bolt is increased due to the fact that blood flows out after the blood vessel is punctured is avoided. Meanwhile, after the wire bolt is inserted into the blood vessel, the sharp end 21 for puncture can retreat into the wire bolt, so that the risk that the sharp end 21 punctures the blood vessel due to the bending of the blood vessel when the wire bolt advances in the blood vessel is avoided; in addition, the inserted bar 2 seals the inside of the bolt, so that the risk of blood flowing out of the bolt in a reverse flow manner can be avoided.

Example two

A fixator, see fig. 3-5, for adapting the above-mentioned bolt, comprising a main body 3 and an abutment section 4, the abutment section 4 being connected to the main body 3 by a linkage section. The linkage section is used for adjusting the position of the abutting section 4 relative to the main body 3, and the abutting section 4 is used for contacting and pushing the inserted link 2, so that after the main body 3 adjusts the position of the abutting section 4 relative to the main body 3 through the linkage section, the abutting section 4 contacted with the inserted link 2 can adjust the position of the inserted link 2 relative to the bolt 1, and the tip 21 is pushed out of the bolt 1.

The linkage section comprises a first elastic piece 51, a first connecting rod 52 and at least one group of locking pieces 53, the first connecting rod 52 is connected with the main body 3 through the first elastic piece 51, and the first connecting rod 52 is connected with the abutting section 4; the lock member 53 includes a gear portion 531 and a lock end 532, the gear portion 531 and the lock end 532 being respectively located at both ends of the lock member 53; the side wall of the first link 52 is provided with gear teeth along the axial direction thereof, and the gear portion 531 is engaged with the first link 52, so that the locking member 53 rotates around the gear portion 531 to adjust the distance between the locking end 532 and the bolt tube 1, so as to drive the locking end 532 to be clamped or separated from the bolt tube 1.

In order to limit the positions of the first elastic member 51, the first link 52 and the locking member 53, the placing cavity 31 is formed inside the main body 3, one end of the first elastic member 51 is fixed to the bottom wall of the placing cavity 31, and the other end of the first elastic member is connected to the end of the first link 52, in which the first elastic member 51 is preferably a coil spring. When the body 3 is placed over the barrel 1, the free end of the abutment section 4 abuts the end of the plunger 2. When the main part 3 is established to the downward pressure, first connecting rod 52 can press the butt section 4 of establishing rather than being connected, and butt section 4 can apply pressure for inserted bar 2 simultaneously for the inserted bar 2 of placing inside the bolt pipe 1 can be along axial motion under the effect of pressure, promotes sharp-end 21 and stretches out from bolt pipe 1 gradually, and the most advanced 21 and the flange butt of inserted bar 2 up to make the line bolt be in first state. In the process of the first link 52 pushing the abutting section 4 to move, since the side wall of the first link 52 is in gear engagement with the gear portion 531, the locking member 53 can be driven to rotate around the gear portion 531 by the axial movement of the first link 52. In this embodiment, when the anchor driving wire bolt reaches the first state, the locking end 532 approaches the bolt tube 1; when the wire bolt is in the first state, the locking end 532 is inserted into a pre-opened hole of the insert rod 2, thereby assisting the locking of the insert rod 2 with respect to the bolt tube 1. In order to facilitate the matching of the locking end 532 and the inserted link 2, the side wall of the bolt tube 1 is provided with an inclined slot 15 for the locking end 532 to pass through.

When the insert lever 2 is pushed to the first state by the holder, the first elastic member 51 provided between the main body 3 and the first link 52 is in a compressed state. When the tip 21 needs to be retracted into the latch tube 1 after the puncturing is finished, an external force can be applied to the locking member 53, and the locking member 53 is rotated to drive the first link 52 and the abutting section 4 to move reversely through the cooperation with the first link 52. The first elastic member 51 can now convert its own elastic force into a pushing force of the driving body 3 to assist the separation of the body 3 and the plug tube 1. When the external force applied above the inserted link 2 disappears, the inserted link 2 is assisted to be contracted into the bolt tube 1 through the pulling rope 23, so that the wire bolt is in the second state.

In this embodiment, the parameters of the gear teeth of the first link 52, the gear portion 531, the shape and structure of the first elastic member 51 and the locking member 53 can be determined according to actual requirements. For example: the gear teeth of the first link 52 may be a rack, the gear portion 531 may be a gear, and the shape of the gear may be straight, helical, etc.; the elastic piece is a spring, a pressure spring, an elastic plate, sponge, silica gel and the like; the locking member 53 may be an arc-shaped lever (plate), a bent lever (plate), or the like. Whatever the parameters, the parameters are used to fix the fixer and the bolt, so as to solve the technical problems to be solved and obtain the corresponding effects, which all belong to the protection scope of the present application. The main part 3 and the bolt pipe 1 can also be used as the protection scheme of the application through the conventional movable connection modes such as magnetic attraction, buckling and screw connection.

The lower end of the body 3 is provided with a stop collar 32, and when the anchor and the wire bolt are engaged, the stop collar 32 is inserted into the interior of the bolt tube 1 and is fitted to the inner wall of the bolt tube 1, thereby assisting the relative locking of the anchor and the wire bolt.

EXAMPLE III

A fixer, refer to fig. 6 and 7, the difference with respect to the second embodiment is that the linkage section includes a second elastic member 61, a second link 62 and a locking bolt 63, the second link 62 is connected with the main body 3 through the second elastic member 61, the second link 62 is connected with the abutting section 4; the bolt tube 1 is provided with a first communicating hole 13 matched with the locking bolt 63, and the abutting section 4 is provided with a group of second communicating holes 41 matched with the locking bolt 63; the locking bolt 63 can pass through the first communicating hole 13 and the second communicating hole 41, and it is preferable that the hole diameter of the first communicating hole 13 is slightly larger than the hole diameter of the second communicating hole 41 and the locking bolt 63 is a diameter.

When the main body 3 is pressed downward, the second link 62 presses the abutting section 4 connected thereto, and at the same time, the abutting section 4 applies pressure to the plunger 2, so that the plunger 2 placed inside the bolt tube 1 moves in the axial direction under the action of the pressure, and the axial direction of the first communicating hole 13 and the axial direction of the second communicating hole 41 become collinear gradually. Then, the locking bolt 63 is inserted through the first communicating hole 13 and the second communicating hole 41, thereby achieving relative locking of the anchor and the wire bolt. At this point, the plunger 2 is moved axially under the urging of the abutment section 4 so that the tip 21 protrudes from within the bolt tube 1 and abuts the rib, thereby placing the wire bolt in the first state. When the plunger 2 is retracted into the bolt 1 after the piercing process is completed, the locking bolt 63 is separated from the first communication hole 13 and the second communication hole 41, and the second elastic member 61 can convert its own elastic force into a pushing force of the driving body 3 to assist the separation of the driving body 3 and the bolt 1. When the external force applied above the inserted link 2 disappears, the inserted link 2 is assisted to be contracted into the bolt tube 1 through the pulling rope 23, so that the wire bolt is in the second state.

In this embodiment, the second communication hole 61 is formed through the middle and lower portions of the abutting section 4, the first communication hole 13 is formed through the upper portion of the plug tube 1, and the dimensions of the first communication hole 13 and the second communication hole 41, the shape and the structure of the locking bolt 63, and other parameters can be determined according to actual requirements. For example, based on the machining conditions, the diameters of the first communication hole 13 and the second communication hole 41 are approximately equal, the locking bolt 63 and the first communication hole 13 and the second communication hole 41 may be in a clearance fit, an interference fit, a transition fit, and the like, and based on different fitting conditions, the locking bolt 63 may select a screw, a pin, a bolt, a screw, and the like. No matter what kind of size matching method or structure is adopted, as long as the parameter is used for fixing the fixer and the bolt, the technical problem to be solved in the embodiment is solved, and the corresponding effect is obtained, and the protection scope of the present application is all included.

The end of the main body 3 is provided with a surrounding edge 33, the surrounding edge 33 is provided with a third communication hole 331 matched with the locking bolt 63, and the axis of the third communication hole 331 is collinear with the second communication axis. When the locking bolt 63 is inserted through the first communication hole 13, the third communication hole 331 and the second communication hole 41, the stability of the plug 2 in the first state can be enhanced and the stability of the body 3 with respect to the bolt tube 1 can be improved.

Example four

Referring to fig. 8 and 9, the fixator is different from the third embodiment in that at least one set of second communication holes are formed at the upper end of a bolt tube 1, at least one set of second communication holes 41 matched with a locking bolt 63 are formed at an abutting section 4, and 3 sets of second communication holes 41 formed in parallel are formed at the abutting section 4 in the embodiment. With the plurality of sets of the second communication holes 41, the adaptability of the size of the insert rod 2 can be increased, thereby facilitating the use. The axis of the third communication hole 331 opened in the surrounding edge 33 is parallel to the axis of any one of the second communication holes 41, and in this embodiment, the axis of the third communication hole 331 is parallel to the axis of the uppermost one of the second communication holes 41.

EXAMPLE five

A wire bolt operating device comprises the wire bolt in the first embodiment and the fixer in the second embodiment and the fourth embodiment. When the tip 21 is in the first state, the wire bolt is matched with the fixer, wherein the inserted link 2 and the abutting section 4 are relatively fixed; when the tip 21 is in the second state, the wire bolt can be disengaged from the anchor, wherein the plunger 2 is disengaged from the abutment section 4, and fluid can be prevented from flowing out of the bolt 1 by the engagement of the plunger 2 and the bolt 1.

When the wire bolt operating device is used, the matching mode of the wire bolt and the fixer can be flexibly adjusted according to actual requirements. For example, when a blood vessel needs to be punctured, the wire bolt and the fixer can be fixed through the linkage section, so that the tip 21 in the wire bolt is exposed to puncture the blood vessel. When it is desired to retract the tip 21 into the interior of the barrel 1, the bolt can be detached from the anchor and the plunger 2, tip 21, can be simultaneously pulled into the barrel 1 by pulling the wire. When the wire bolt stretches into the blood vessel and is blocked or blocked, the wire bolt and the fixing device can be fixed again through the linkage section, and the fixing device is pushed to further stretch the wire bolt into the blood vessel. In the operation of the wire plug, whatever the matching method, the technical solution for solving the technical problem to be solved by the present application and obtaining the corresponding effect is within the protection scope of the present application as long as the wire plug is inserted into or extends into the blood vessel.

Although the present embodiment uses the anchor to cooperate with the wire bolt, the wire bolt alone may be used as the technical solution protected by the present application. For example, when the position of the blood vessel is easy to operate or the thickness of the blood vessel wall is small, the wire plug can be directly operated, and the plug rod 2 is pressed by forceps, so that the tip 21 is stably exposed out of the plug tube 1. After the wire bolt punctures the blood vessel, the sharp end 21 is taken into the bolt tube 1 by the wire, and the forceps simultaneously clamp the bolt tube 1 and the inserted link 2.

In the embodiment of the present invention, when the wire plug is operated, the fitting manner of the wire plug and the fixing device can be flexibly adjusted according to actual needs, and other auxiliary devices are operated to adjust the fitting manner of the wire plug and the fixing device.

The embodiment of the present invention can be applied to various environments, for example, to MCAO models, for example, murine models such as SD rats, guinea pigs, and C57 mice, and to operation targets such as arteries.

For a wire-bolt or fixator operation, in the future, possibly more animals, even more humans or more models or more vessel types are applied to the wire-bolt or fixator, which should also be covered by embodiments of the present invention. The solution of the embodiment of the invention can be used in any model or object to be operated.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims (9)

1. A wire bolt, characterized by comprising a bolt tube and a plunger movably arranged in the bolt tube, wherein the plunger comprises a tip at the end thereof; when the wire bolt is in a first state, the sharp end extends out of the bolt tube and is fixed at a port of the bolt tube, and the wire bolt forms a sharp part with a puncture function for puncture; when the wire bolt is in the second state, the tip is positioned in the bolt tube, and the inserted rod is clamped and fixed with the bolt tube through the plugging part so as to prevent fluid from flowing out of the bolt tube.

2. The wire bolt of claim 1, wherein the end of the bolt tube is provided with a rib for abutting the tip, the plunger having a strength greater than or equal to the strength of the bolt tube.

3. The wire bolt of claim 1 or 2, wherein the blocking portion comprises a protruding portion and an abutting portion, and when the insertion rod is provided with the protruding portion, the corresponding abutting portion is arranged in the bolt tube; or when the inserted link is provided with the butt joint part, the corresponding bulge part is arranged in the bolt pipe;

wherein, the bellying is at least one, the butt joint portion is at least one group.

4. The wire bolt of claim 1, wherein a pull rope is connected to the plunger, a free end of the pull rope extends out of the bolt tube, the pull rope is used for pulling the plunger to move, a silicone ring is arranged on the bolt tube, and the length of the silicone ring is greater than or equal to 1/3 of the insertion depth of the bolt tube.

5. A holder for fitting the wire bolt of any one of claims 1-4, comprising a main body and an abutment section, the abutment section being connected to the main body by a linkage section; the linkage section is used for adjusting the butt section for the position of main part, the butt section is used for contacting and promoting the inserted bar, be provided with friction part in the main part, friction part includes coarse processing, dull polish piece or flexible piece.

6. The fixator of claim 5, wherein the linkage section comprises a first elastic member, a first link and a lock, the first link connected to the main body via the first elastic member, the first link connected to the abutment section; the locking piece includes gear portion and locking end, gear portion with the meshing of first connecting rod is used for driving locking end joint or break away from the line is tied.

7. The fixator of claim 5, wherein the linkage section comprises a second elastic member, a second link and a locking bolt, the second link being connected to the main body by the second elastic member, the second link being connected to the abutment section; the bolt pipe is provided with a first communicating hole matched with the locking bolt, and the abutting section is at least provided with a group of second communicating holes matched with the locking bolt; the locking bolt can penetrate through the first communication hole and the second communication hole.

8. The fastener of claim 7, wherein said body has a peripheral edge at an end thereof, said peripheral edge defining a third communication hole for engagement with said locking bolt, said third communication hole having an axis collinear with said second communication axis.

9. A cord lock operating device comprising a cord lock according to any one of claims 1 to 4 and a fastener according to any one of claims 5 to 8.

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