CN218500773U

CN218500773U - Be used for acute superior mesentery artery embolism thrombus suction device

Info

Publication number: CN218500773U
Application number: CN202222040828.2U
Authority: CN
Inventors: 余钻标; 郎德海
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2023-02-21
Anticipated expiration: 2032-08-04

Abstract

The utility model discloses a be used for acute mesentery artery embolism thrombectomy device, including the thrombectomy pipe, the thrombectomy pipe outer wall is provided with fixed subassembly, and the inner chamber of thrombectomy pipe is provided with the thrombectomy subassembly, and fixed subassembly comprises sacculus, passageway and control tube. The utility model discloses utilize the straw, fixed subassembly and long sheath pipe matched with set up the mode, can utilize the sacculus to strengthen the fixed of pipe in the blood vessel, the damage phenomenon of mesentery artery vascular wall has been reduced as far as when getting the bolt, security and when having improved and getting the bolt efficiency when getting the bolt, the setting of long sheath pipe simultaneously, play fixed mesentery artery vessel and catch on the effect of blood vessel starting point, and can give sacculus 21 and block the blood flow effect when getting the bolt, when doing benefit to and improving straw work efficiency, also improved the security in the straw working process to a certain extent, and then the utility model discloses use cost is low, the practicality is high, do benefit to and promote to be convenient for long-term use.

Description

Be used for acute superior mesentery artery embolism thrombus suction device

Technical Field

The utility model relates to an acute superior mesentery arterial embolism suction suppository field, in particular to an acute superior mesentery arterial embolism suction suppository device.

Background

Acute superior mesentery artery embolism is a clinical critical disease, it is crucial to reduce the intestinal necrosis to take out the embolus and resume the arterial blood circulation fast in early stage, for the embolus of superior mesentery artery embolism, most old embolus for patients with atrial fibrillation drops from the heart and is caused by the main arterial embolism that is flushed into the superior mesentery with the blood flow, aiming at the existing embolus taking device, such as Fortgary's embolus taking under DSA, because the main collateral branch of mesentery has more residual embolus to drop to the collateral branch and the risk of distal vascular embolism, the security is lower; for mechanical thrombus removal technology, if a thrombus-aspiration catheter (angiogjet) is used, the cost is high (2-3 thousands), and the use cost is high, so a thrombus-aspiration device with high safety and low use cost needs to be arranged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for acute superior mesenteric artery embolism thrombus suction device to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a thrombus suction device for acute superior mesenteric artery embolism comprises a thrombus suction tube, wherein a fixing component for fixing the position of the outer wall of the thrombus suction tube in the morning is arranged on the outer wall of the thrombus suction tube, and a thrombus suction component is arranged in the inner cavity of the thrombus suction tube;

the fixing component is composed of a sacculus, a channel and a control tube, the sacculus is fixedly arranged on the outer wall of the end of the embolectomy tube, the channel is arranged on one side of the inner cavity of the embolectomy tube, and the control tube is arranged in the inner cavity of the channel.

Preferably, the suction bolt tube comprises a catheter, a T-shaped joint and a through hole, the T-shaped joint is fixedly arranged at the end part of the catheter, the through hole is formed in the middle of the T-shaped joint, and an operating handle is arranged on the outer wall of the T-shaped joint.

Preferably, operating handle includes handle body, two adjustment button, two and pull slider and two coupling assembling, two adjustment button all sets up in the outer wall of handle body, one side of handle body is provided with hemostasis subassembly, and two it all sets up in the inner chamber of handle body to pull the slider.

Preferably, the connecting assembly comprises two traction wires and two cavities, the two cavities are symmetrically arranged on two sides of the inner cavity of the catheter, and the two traction wires are respectively and fixedly arranged in the inner cavities of the two cavities.

Preferably, the hemostasis assembly comprises a hemostasis tube, a three-way valve and a connecting tube, the hemostasis tube is arranged on the outer wall of the T-shaped joint, and the three-way valve is arranged between the hemostasis tube and the connecting tube.

Preferably, the thrombus absorption assembly comprises a long sheath tube, the long sheath tube is arranged in the inner cavity of the catheter, and one end of the long sheath tube penetrates through the inner cavity of the through hole and extends to the outside.

Preferably, the connecting pipe comprises body, solid fixed ring and a plurality of extrusion piece, the outer wall of body is located to solid fixed ring cover, and is a plurality of the equidistant fixed setting in solid fixed ring's inner wall of extrusion piece.

Preferably, long sheath pipe includes sheath pipe main part, go-between, two fixture blocks and two draw-in grooves, two the fixture block symmetry is fixed to be set up in one side of go-between, two the draw-in groove symmetry is seted up in the tip that T type connects, two the fixture block respectively with the inner chamber joint of two draw-in grooves, just the outer wall of sheath pipe main part is located to the go-between cover.

The utility model discloses a technological effect and advantage:

(1) The utility model discloses utilize suction plug pipe, fixed subassembly and long sheath pipe matched with mode of setting, can utilize the sacculus to strengthen the fixed of pipe in the blood vessel, reduced the damage phenomenon of the superior mesentery artery vascular wall as far as when getting the bolt, security and the efficiency of getting the bolt when having improved the bolt, the setting of long sheath pipe plays the effect of fixed superior mesentery artery blood vessel and catching on the blood vessel initial part simultaneously, and can block the blood flow effect when getting the bolt for the sacculus, when being favorable to improving suction plug work efficiency, also improved the security in the suction plug working process to a certain extent, and then the utility model discloses use cost is low, the practicality is high, does benefit to promoting, so that long-term use;

(2) The utility model discloses utilize operating handle's setting, can control the predetermined direction of pipe and predetermine the angle, can carry out the adjustment of pipe end department as required, the doctor of being convenient for gets to tie going on of work, does benefit to the convenience when improving the bolt, and the pipe near-end is higher than end department hardness, can avoid near-end thereupon end to take place to warp when the operation is used, does benefit to the normal clear of guaranteeing to get to tie work, is convenient for improve the practicality of getting to tie simultaneously.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic side sectional view of the catheter of the present invention.

Fig. 3 is a schematic view of the sectional structure of the catheter.

Fig. 4 is the cross-sectional structure of the operating handle of the present invention.

Fig. 5 is a schematic front sectional view of the adjusting button of the present invention.

Fig. 6 is a schematic view of the three-dimensional structure of the connecting pipe of the present invention.

Fig. 7 is a schematic front sectional view of the connecting pipe of the present invention.

Fig. 8 is a schematic view of the three-dimensional structure of the long sheath tube of the present invention.

Fig. 9 is a schematic side sectional view of the long sheath according to the present invention.

In the figure: 1. a suction plug tube; 11. a conduit; 12. a T-shaped joint; 13. a through hole; 2. a fixing component; 21. a balloon; 22. a channel; 23. a control tube; 3. an operating handle; 31. a handle body; 32. an adjustment button; 33. a traction slide block; 34. drawing wires; 4. a hemostatic assembly; 41. a hemostatic tube; 42. a three-way valve; 43. a connecting pipe; 431. a pipe body; 432. a fixing ring; 433. extruding the block; 5. a long sheath; 51. a sheath body; 52. a connecting ring; 53. a clamping block; 54. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a thrombus absorbing device for acute superior mesenteric artery embolism, which is shown in figures 1-5, and comprises a thrombus absorbing tube 1, wherein the outer wall of the thrombus absorbing tube 1 in the morning is provided with a fixing component 2 for fixing the position, the inner cavity of the thrombus absorbing tube 1 is provided with a thrombus absorbing component, a catheter 11 in the thrombus absorbing tube 1 is in a cylindrical tubular structure, the catheter 11 is made of high polymer materials, the hardness of the two end parts of the catheter 11 is different, the catheter is formed by extruding the high polymer materials, the two ends of the catheter 11 are respectively an end head and a near end, the end head is one end used for extending into the body of a patient, and the near end is connected with an operating handle 3;

the fixing component 2 consists of a saccule 21, a channel 22 and a control tube 23, wherein the channel 22 is arranged on the tube wall of the catheter 11 and is used for accommodating the control tube 23, the saccule 21 is fixedly arranged on the outer wall at the end of the embolectomy tube 1, the channel 22 is arranged on one side of the inner cavity of the embolectomy tube 1, the control tube 23 is arranged in the inner cavity of the channel 22, the inner cavity of the channel 22 is communicated with the end part of the T-shaped joint 12, one end of the control tube 23 is communicated with the inner cavity of the saccule 21, the other end of the control tube passes through the end part of the T-shaped joint 12 and then extends to the outside, and the control tube 23 is controlled by a valve so as to control the swelling use state of the saccule 21;

the suction bolt tube 1 comprises a catheter 11, a T-shaped joint 12 and a through hole 13, the T-shaped joint 12 is fixedly arranged at the end part of the catheter 11, the through hole 13 is arranged in the middle of the T-shaped joint 12, the outer wall of the T-shaped joint 12 is provided with an operating handle 3, the hardness of the near end of the catheter 11 is greater than that of the end head of the catheter 11, so that when the end head of the catheter 11 is bent, the near end and the operating handle 3 cannot deform greatly, and convenience and accuracy of a doctor in operation are improved;

the operating handle 3 comprises a handle body 31, two adjusting buttons 32, two traction sliders 33 and two connecting components, wherein the two adjusting buttons 32 are arranged on the outer wall of the handle body 31, the hemostasis component 4 is arranged on one side of the handle body 31, the two traction sliders 33 are arranged in the inner cavity of the handle body 31, a sliding groove is axially arranged on the handle body 31, the traction slider 33 is positioned in the sliding groove and fixedly arranged with a traction wire 34, the adjusting buttons 32 are sleeved on the outer wall of the traction slider 33, a screw nut pair is formed between the adjusting buttons 32 and the traction slider 33, the adjusting buttons 32 are configured to move along the sliding groove when rotating, the adjusting buttons 32 are in an annular hollow structure, and the outer wall of the adjusting buttons 32 is in a sawtooth shape, when a doctor rotates, the friction between the hand of the doctor and the outer wall of the adjusting button 32 can be increased conveniently, a certain anti-skidding effect is achieved, and the convenience of rotation of the adjusting button 32 can be improved, the adjusting button is sleeved outside the traction sliding block 33, an internal thread structure is arranged on the inner wall of the adjusting button 32, an external thread structure is arranged on the outer wall of the traction sliding block 33, the internal thread structure and the external thread structure form threaded connection and form a screw nut pair, when the doctor rotates the adjusting button 32 along the circumferential direction of the operating handle 3, the traction sliding block 33 can move along a sliding groove, so that the traction wire 34 can move in a corresponding cavity and drag the end of the catheter 11, and the operation of sucking the thrombus can be better carried out;

the connecting assembly comprises two traction wires 34 and two cavities, the number of the cavities can be set to be two, three or even more according to the requirement, however, in the present invention, the number of the cavities is two, and the two cavities are symmetrically arranged at two sides of the inner cavity of the catheter 11, if the number of the cavities exceeds two, a plurality of cavities are distributed at intervals along the axis of the pipe wall of the guide pipe 11, the cavities can be arranged into a circle, a square or a triangular line and the like according to the requirement, in the utility model, the cavity is circular, the circular arrangement is convenient for reducing the friction force on the traction wire 34 when the cavity moves and is convenient for better moving, simultaneously, the service life of the two is prolonged, the use cost is reduced, the two traction wires 34 are respectively and fixedly arranged in the inner cavities of the two cavities, one end of each traction wire 34 is fixedly arranged in the inner cavity of the end head of the catheter 11, the other end of the handle is fixedly arranged with the operating handle 3, and because the traction wire 34 is correspondingly connected with the adjusting button 32, a doctor can rotate the adjusting button 32 to draw the corresponding traction wire 34, thereby controlling the preset direction and the preset angle at the tip of the catheter 11, the preset direction being determined by rotating the adjusting button 32 differently, the size of the preset angle being determined by the moving distance of the traction wire 34 in the axial direction of the catheter 11, i.e., the number of rotations of the adjustment knob 32, when the adjustment knob 32 is rotated to the proximal end of the catheter 11, the tip of the catheter 11 will bend upward, and rotation of the adjustment knob 32, to a reduced distance toward the proximal end of the catheter 11, the tip of the catheter 11 will bend downward, therefore, the catheter 11 can be conveniently controlled and used by a doctor during the work of the suction plug, and certain practicability is effectively improved;

the hemostatic assembly 4 comprises a hemostatic tube 41, a three-way valve 42 and a connecting tube 43, the hemostatic tube 41 is arranged on the outer wall of the T-shaped joint 12, the three-way valve 42 is arranged between the hemostatic tube 41 and the connecting tube 43, the hemostatic tube 41 is connected with the inner cavity of the T-shaped joint 12 and is connected with the inner cavity of the catheter 11, and the exhaust and hemostatic effects can be realized when the hemostatic assembly is used;

the thrombus suction assembly comprises a long sheath tube 5, the long sheath tube 5 is arranged in the inner cavity of the catheter 11, one end of the long sheath tube 5 penetrates through the inner cavity of the through hole 13 and extends to the outside, when the long sheath tube 5 is used, the near end of the long sheath tube is connected with an external automatic negative pressure suction device, so that different suction forces can be adjusted, embolus can be better sucked and removed, the long sheath tube 5 plays a role in fixing an arterial blood vessel on a mesentery and hooking the starting part of the blood vessel, and meanwhile, a blood flow effect during thrombus taking can be blocked by the balloon 21, the working efficiency of thrombus suction is improved, and meanwhile, the safety in the working process of thrombus suction is also improved to a certain extent;

the connecting pipe 43 is composed of a pipe body 431, a fixing ring 432 and a plurality of extrusion blocks 433, the fixing ring 432 is made of hard plastic, the fixing ring 432 is sleeved on the outer wall of the pipe body 431, the extrusion blocks 433 are fixedly arranged on the inner wall of the fixing ring 432 at equal intervals, the cross section of the fixing ring 432 is trapezoidal, the fixing ring 432 is movably arranged on the outer wall of the pipe body 431, the fixing ring 432 can extrude the port of the pipe body 431 connected with the outside by rotating, the extrusion blocks 433 are made of rubber and have certain elastic deformation performance, the outer wall of the pipe body 431 can be extruded when the fixing ring 432 rotates to the port of the pipe body 431, and therefore when the pipe body 431 is connected with an external injector for multiple times, the phenomenon that the connection is not firm due to deformation can be avoided, the using effect of the pipe body 431 is effectively improved, and meanwhile, a certain service life is prolonged;

long sheath pipe 5 includes sheath pipe main part 51, go-between 52, two fixture blocks 53 and two draw-in grooves 54, two fixture blocks 53 symmetry are fixed to be set up in one side of go-between 52, the tip that T type joint 12 is seted up to two draw-in grooves 54 symmetry, two fixture blocks 53 respectively with the inner chamber joint of two draw-in grooves 54, and go-between 52 cover locates the outer wall of sheath pipe main part 51, the fixed outer wall of sheath pipe main part 51 of fixing cover is located to go-between 52, sheath pipe main part 51 then can be through the joint between fixture block 53 of fixed setting and the draw-in groove 54 that corresponds on the go-between 52, keep and inhale the relatively fixed between the bolt pipe 1, thereby can make the use of sheath pipe main part 51 relatively stable, the connected mode of joint simultaneously, the dismouting of messenger's sheath pipe main part 51 is more convenient, the effectual efficiency that has improved the dismouting, the efficiency of inhaling bolt work has also been improved simultaneously.

The utility model discloses the theory of operation:

the long sheath tube 5 is arranged in the inner cavity of the catheter 11, after the catheter 11 is inserted into a human body, the adjusting button 32 can be rotated, internal threads arranged on the inner wall surface of the adjusting button 32 are in threaded connection with external threads arranged on the outer wall of the traction sliding block 33, so as to form a screw-nut pair, when the adjusting button 32 is rotated, the traction sliding block 33 moves along the sliding groove, the traction wire 34 is driven to move in the corresponding cavity while moving, the bending direction and angle at the end of the catheter 11 can be controlled according to the moving condition of the traction wire 34, further, preparation can be made for the suction operation, after the state at the end of the catheter 11 is adjusted, a valve is connected to the end, exposed outside, of the control tube 23 through the control tube 23, so that the contrast medium water can flow out, the contrast medium water can be injected through the connection between the control tube 23 and an external injector, the contrast medium water can be conveyed to the inner cavity of the balloon 21 along the control tube 23, so that the deflated balloon 21 can be inflated, the inflated balloon 21 can be closed by the valve to prevent the leakage of the contrast medium water, the inflated balloon 21 can be relatively supported and fixed with the inner wall of the blood vessel, so that the end of the catheter 11 can be relatively fixed in the blood vessel, after the inflation is completed, the long sheath 5 is connected with an external negative pressure suction device, the end part of the long sheath 5 far away from the end of the catheter 11 is exposed outside to be conveniently connected with an external negative pressure suction device, the long sheath 5 is soft as a whole and has good tracking performance, the end part of the long sheath 5 has a certain bending radian at one centimeter, the suction position can be adjusted in the suction process of the suction, a double-sheath coaxial system can be formed with the catheter 11, and the working effect of the suction can be effectively improved, after the thrombus is sucked, a valve at the end part of the control tube 23 can be opened, contrast medium water in the control tube 23 is discharged, the catheter 11 can be taken out from the body after the balloon 21 is restored to a shrivelled state, in conclusion, in the thrombus taking process, the balloon 21 is expanded and can be relatively supported and fixed with the inner wall of a blood vessel, so that the relative fixation of the end of the catheter 11 in the blood vessel can be enhanced, the blood flow at the near end of the blood vessel can be well isolated during thrombus suction, the secondary falling phenomenon of the thrombus is reduced, the working effect of the thrombus suction is effectively improved, the safety of the thrombus suction is also improved, the arrangement of the long sheath tube 5 is favorable for fixing the superior mesenteric artery blood vessel and hooking the starting part of the blood vessel, the blood flow effect during thrombus taking can be better blocked by the balloon 21, a certain auxiliary effect is realized by matching the balloon 21, the safety in the use of the balloon 21 is enhanced, the working effect and the safety of the thrombus suction are further enhanced, and the coaxial matching between the long sheath tube 1 and the long sheath tube 5 can be used for realizing effective percutaneous suction, so that the double-sheath suction effect is improved, and the popularization and the percutaneous sheath technique is convenient for popularization.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The thrombus suction device for acute superior mesenteric artery embolism comprises a thrombus suction tube (1), and is characterized in that a fixing component (2) for fixing the position is arranged on the outer wall of the thrombus suction tube (1), and a thrombus suction component is arranged in an inner cavity of the thrombus suction tube (1);

the fixing component (2) is composed of a sacculus (21), a channel (22) and a control tube (23), the sacculus (21) is fixedly arranged on the outer wall of the end of the embolectomy tube (1), the channel (22) is arranged on one side of the inner cavity of the embolectomy tube (1), and the control tube (23) is arranged in the inner cavity of the channel (22).

2. The device for acute superior mesenteric artery embolism is characterized in that the embolism suction tube (1) comprises a catheter (11), a T-shaped joint (12) and a through hole (13), the T-shaped joint (12) is fixedly arranged at the end part of the catheter (11), the through hole (13) is opened at the middle part of the T-shaped joint (12), and the outer wall of the T-shaped joint (12) is provided with an operating handle (3).

3. The device for the acute superior mesenteric artery embolism suction according to the claim 2 is characterized in that the operating handle (3) comprises a handle body (31), two adjusting buttons (32), two traction sliders (33) and two connecting components, wherein the two adjusting buttons (32) are arranged on the outer wall of the handle body (31), one side of the handle body (31) is provided with the hemostasis component (4), and the two traction sliders (33) are arranged in the inner cavity of the handle body (31).

4. The device for acute superior mesenteric artery embolism suction according to claim 3, wherein the connecting assembly comprises two drawing wires (34) and two cavities, the two cavities are symmetrically arranged at two sides of the inner cavity of the catheter (11), and the two drawing wires (34) are respectively and fixedly arranged at the inner cavities of the two cavities.

5. The thrombus absorbing device for acute superior mesenteric artery embolism according to claim 3, wherein the hemostatic assembly (4) comprises a hemostatic tube (41), a three-way valve (42) and a connecting tube (43), the hemostatic tube (41) is disposed on the outer wall of the T-shaped joint (12), and the three-way valve (42) is disposed between the hemostatic tube (41) and the connecting tube (43).

6. The device for acute superior mesenteric artery embolization according to claim 1, wherein the embolization assembly comprises a long sheath (5), the long sheath (5) is disposed in the lumen of the catheter (11), and one end of the long sheath (5) passes through the lumen of the through hole (13) and extends to the outside.

7. The thrombus absorbing device for acute superior mesenteric artery embolism according to claim 5, wherein the connecting tube (43) is composed of a tube body (431), a fixing ring (432) and a plurality of squeezing blocks (433), the fixing ring (432) is sleeved on the outer wall of the tube body (431), and the plurality of squeezing blocks (433) are fixedly arranged on the inner wall of the fixing ring (432) at equal intervals.

8. The thrombus absorbing device for acute superior mesenteric artery embolism according to claim 6, wherein the long sheath (5) comprises a sheath main body (51), a connecting ring (52), two clamping blocks (53) and two clamping grooves (54), the two clamping blocks (53) are symmetrically and fixedly arranged on one side of the connecting ring (52), the two clamping grooves (54) are symmetrically arranged on the end part of the T-shaped joint (12), the two clamping blocks (53) are respectively clamped with the inner cavities of the two clamping grooves (54), and the connecting ring (52) is sleeved on the outer wall of the sheath main body (51).