CN215129569U

CN215129569U - Collapsible choledochoscope stone removal sacculus

Info

Publication number: CN215129569U
Application number: CN202120624343.0U
Authority: CN
Inventors: 赖威
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-12-14
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a contractible choledochoscope calculus removing saccule, which comprises a catheter main body, a saccule part, a head part, an adjusting mechanism, an injection molding joint and a guide wire, wherein the front end outer surface of the catheter main body is wrapped with the saccule part, the catheter main body at the front end of the saccule part is fixedly provided with the head part, one end of the catheter main body, which is far away from the saccule part, is fixedly provided with the injection molding joint, the injection molding joint is communicated with a liquid injection pipe and a gas injection pipe, the gas injection pipe is also provided with the adjusting mechanism, in the utility model, compared with the traditional catheter, no guide wire channel is arranged, and the head part of the catheter main body is laid with a hydrophilic coating, the saccule part adopts endurable silicon rubber composite material, the occupied volume of the saccule part is smaller than that of the traditional saccule part, the calculus removing process is not easy to break, the catheter and the saccule part are more easily pushed into the choledochoscope, and the saccule part can be freely contracted through the adjusting mechanism, the operator can adjust the sacculus portion according to the required size, and easy operation, and it is higher to adjust the precision.

Description

Collapsible choledochoscope stone removal sacculus

Technical Field

The utility model relates to the technical field of medical equipment, specifically a collapsible choledochoscope calculus removing sacculus.

Background

The intrahepatic and extrahepatic bile duct calculus is a common disease, the common method is to cut and remove the calculus from the common bile duct, but the means for removing the calculus from the choledochostomy is few, and the method mainly comprises directly removing the calculus by a calculus removing forceps and removing the calculus through a choledochoscope basket, but part of the small and firm calculus is still difficult to remove.

In the choledochoscope calculus removing saccule of clinical use at present, pipe and saccule lead to pipe and saccule too big because of having certain tube wall thickness, if biliary calculus exists in less bile duct in the operation, cause the saccule easily and can't get into the choledochoscope in, the problem that the saccule pipe can't reach the calculus top, and the saccule is out of shape easily when exerting pressure, and the diameter obviously increases can lead to the saccule to be excessively stretched in the treatment process, influences the operation easily and goes on.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible choledochoscope gets stone sacculus to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a collapsible choledochoscope calculus removing saccule comprises a catheter main body, a saccule part, a head part, an injection tube, an air injection tube, an adjusting mechanism, an injection molding joint and a guide wire, the outer surface of the front end of the catheter main body is wrapped with a balloon part, the catheter main body at the left end and the right end of the balloon part is symmetrically provided with a first fixing ring and a second fixing ring for fixing the balloon part, the head part is fixedly arranged on the catheter main body at the front end of the sacculus part, the injection molding joint is fixedly arranged at one end of the catheter main body far away from the sacculus part, the injection joint is communicated with a liquid injection pipe and a gas injection pipe, one end of the liquid injection pipe, which is far away from the injection joint, is communicated with a liquid injection handle for injecting contrast medium into the liquid injection pipe, the one end intercommunication that the joint was moulded plastics far away from to the gas injection pipe has the handle of aerifing that is used for injecting into gas in the gas injection pipe, still be equipped with on the gas injection pipe and be used for carrying out the adjustment mechanism who adjusts the volume of sacculus portion.

As a further aspect of the present invention: the head comprises a third channel, a reinforcing pipe, reinforcing ribs, a protective sleeve and a head cushion, the third channel is formed in the middle of the head, the hollow reinforcing pipe is fixedly mounted in the third channel, the reinforcing pipe penetrates through the reinforcing pipe, the protective sleeve is spliced on the outer side of the reinforcing pipe, the head cushion is arranged at the front end of the protective sleeve and is in sealing connection with the protective sleeve, and a plurality of through holes are formed in the middle of the head cushion.

As a further aspect of the present invention: the catheter comprises a catheter main body and is characterized in that a first channel and a second channel are arranged in the catheter main body, the left ends of the first channel and the second channel are respectively communicated with a gas injection pipe and a liquid injection pipe, the right end of the first channel is communicated with a balloon portion, and the right end of the second channel is communicated with a third channel in a head portion.

As a further aspect of the present invention: adjustment mechanism includes sacculus portion and fills sufficient mouthful, outer rotatory support, internal rotation support, elastic sealing element and compression piece, outer rotatory support runs through on the gas injection pipe, and threaded fit has the internal rotation support on it, the elastic sealing element that has the silica gel material of rubberizing joint on the internal rotation support, fixed mounting has metal compression piece on the outer rotatory support, the compression piece pressfitting is on elastic sealing element, elastic sealing element is the annular structure with the compression piece, sacculus portion is sufficient mouthful seted up on one side outer wall of gas injection pipe, sacculus portion is sufficient mouthful and is linked together with first passageway.

As a further aspect of the present invention: the material of the sacculus part is a silicon rubber composite material.

As a further aspect of the present invention: the outer surface of the catheter main body is paved with a hydrophilic coating, and the thickness of the coating gradually decreases from the head cushion to the tail of the catheter main body.

As a further aspect of the present invention: the reinforcing ribs are made of rigid materials.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an only injection passageway and sacculus portion passageway in the pipe, compare with traditional pipe and do not set up the seal wire passageway, consequently can do the pipe main part thinner, and the hydrophilic coating has been laid to the head of pipe main part, the coating thickness subtracts progressively to the head pipe end to the head front end, help the conduction of driving force, the sacculus portion of this device adopts the silicon rubber combined material who tolerates, it is littleer to compare shared volume with traditional sacculus portion, it is difficult for broken to get the stone process, pipe and sacculus portion are all changed and are pushed in the cholangioscope.

2. The adjusting mechanism comprises a balloon filling opening, an outer rotating support, an inner rotating support, an elastic sealing element and a compression element, gas is injected into the balloon portion and then the outer rotating support is screwed tightly, the compression element moves towards the direction close to the elastic sealing element to extrude the elastic sealing element, so that the elastic sealing element is deformed to play a role in fastening and sealing, air in the balloon portion cannot leak, and the stability of the stone-taking balloon portion is maintained; when needs increase sacculus portion volume once more, through to sacculus portion sufficient mouthful inject into gas can, when needs reduce sacculus portion volume, the external rotating support of unscrewing, the compression piece loses the squeezing action to elastic sealing element, thereby make the air in the sacculus portion take place the certain degree and leak, when sacculus portion reaches the state that needs, can realize sealed through the external rotating support of screwing once more, finally realize the fine setting of sacculus portion volume, effectually avoided sacculus portion diameter control range too big, lead to sacculus portion to be influenced the problem that the operation was gone on easily by the overextension in the treatment process and take place, and can make sacculus portion shrink freely through adjustment mechanism, the art person can adjust sacculus portion according to the size of needs, and easy operation, and adjust the precision height.

3. The head inboard is equipped with reinforced pipe and strengthening rib, and the strengthening rib adopts the rigidity material that has certain hardness, can make the pipe main part need not to preset the seal wire and directly puts into required position with the sacculus, and the outside of reinforced pipe is equipped with protective sheath and head cushion, effectively avoids damaging the tissue.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the catheter body of the present invention.

Fig. 3 is a cross-sectional view of the middle head part of the present invention.

Fig. 4 is a schematic structural diagram of a third channel in the present invention.

Fig. 5 is a perspective view of the middle head part of the present invention.

Fig. 6 is a schematic structural diagram of the adjusting mechanism of the present invention.

Wherein: 1. a catheter body; 2. a balloon portion; 3. a head portion; 4. a first channel; 5. a second channel; 6. a third channel; 7. a liquid injection pipe; 8. a gas injection pipe; 9. a liquid injection handle; 10. an air charging handle; 11. an adjustment mechanism; 12. injection molding a joint; 13. a first retaining ring; 14. a second retaining ring; 15. a reinforcement tube; 16. reinforcing ribs; 17. a protective sleeve; 18. a head cushion; 19. the balloon portion fills the opening; 20. an outer rotating support; 21. an inner rotating support; 22. an elastomeric seal; 23. compressing the member.

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.

Referring to fig. 1-6, in an embodiment of the present invention, a collapsible choledochoscope calculus removing balloon comprises a catheter main body 1, a balloon portion 2, a head portion 3, a liquid injection tube 7, a gas injection tube 8, an adjusting mechanism 11 and an injection joint 12, wherein the balloon portion 2 is wrapped on the outer surface of the front end of the catheter main body 1, a first fixing ring 13 and a second fixing ring 14 for fixing the balloon portion 2 are symmetrically arranged on the catheter main body 1 at the left end and the right end of the balloon portion 2, the head portion 3 is fixedly arranged on the catheter main body 1 at the front end of the balloon portion 2, the injection joint 12 is fixedly arranged at one end of the catheter main body 1 away from the balloon portion 2, the liquid injection tube 7 and the gas injection tube 8 are communicated with each other, a liquid injection handle 9 for injecting a contrast medium into the liquid injection tube 7 is communicated with one end of the liquid injection tube 7 away from the injection joint 12, and an inflation handle 10 for injecting gas into the liquid injection tube 8 is communicated with one end of the gas injection tube 8 away from the liquid injection joint 12, the gas injection pipe 8 is also provided with an adjusting mechanism 11 for adjusting the volume of the balloon part 2, the balloon part 2 is made of durable silicon rubber composite materials, and compared with the traditional balloon part 2, the balloon part is smaller in occupied volume, is not easy to break in a stone taking process, and is easier to push into a choledochoscope;

the head 3 comprises a third channel 6, a reinforcing tube 15, reinforcing ribs 16, a protective sleeve 17 and a head cushion 18, the third channel 6 is formed in the middle of the head 3, the hollow reinforcing tube 15 is fixedly installed in the third channel 6, the reinforcing tubes 15 penetrate through the reinforcing ribs 16, the protective sleeve 17 is connected to the outer side of each reinforcing tube 15 in a glued mode, the head cushion 18 is arranged at the front end of the protective sleeve 17, the head cushion 18 is connected with the protective sleeve 17 in a sealing mode, a plurality of through holes are formed in the middle of the head cushion 18, the reinforcing ribs 15 are made of rigid materials with certain hardness, the balloon portion 2 can be directly placed into a required position without presetting a guide wire by the catheter main body 1, the protective sleeve 17 and the head cushion 18 are arranged on the outer side of each reinforcing tube 15, and tissue damage is effectively avoided;

a first channel 4 and a second channel 5 are arranged in the catheter main body 1, the left ends of the first channel 4 and the second channel 5 are respectively communicated with a gas injection pipe 8 and a liquid injection pipe 7, the right end of the first channel 4 is communicated with the balloon part 2, the right end of the second channel 5 is communicated with a third channel 6 in the head part 3, only the injection channel and the balloon part channel are arranged in the catheter main body 1, and compared with the traditional catheter, a guide wire channel is not arranged, so that the catheter main body 1 can be thinner, and the catheter main body 1 can be pushed into a choledochoscope more easily;

adjustment mechanism 11 includes sacculus portion sufficient mouth 19, outer rotatory support 20, interior rotation support 21, elastic sealing element 22 and compression piece 23, outer rotatory support 20 runs through on gas injection pipe 8, and threaded fit has interior rotation support 21 on it, the elastic sealing element 22 that has the silica gel material of rubberizing of interior rotation support 21, fixed mounting has metal compression piece 23 on the outer rotatory support 20, compression piece 23 pressfitting is on elastic sealing element 22, elastic sealing element 22 is the annular structure with compression piece 23, sacculus portion sufficient mouth 19 has been seted up on one side outer wall of gas injection pipe 8, sacculus portion sufficient mouth 19 is linked together with first passageway 4, twists tight outer rotatory support 20 after 2 with gas injection sacculus portion, and compression piece 23 extrudees elastic sealing element 22 to the direction motion that is close to elastic sealing element 22, makes it produce the deformation thereby play fastening and sealed effect, the air in the balloon part 2 cannot leak, and the stability of the stone-taking balloon part is maintained; when needs increase sacculus portion 2 volume once more, through to sacculus portion full of 19 annotate the gas can, when needs reduce sacculus portion 2 volume, unscrew outer rotating support 20, compression piece 23 loses the squeezing action to elastic sealing element 22, thereby make sacculus portion 2 air take place the leakage of certain degree, when sacculus portion 2 reaches required state, can realize sealed through screwing outer rotating support 20 once more, finally realize the fine setting of sacculus portion 2 volume, effectual 2 diameter control range oversize of sacculus portion of having avoided, lead to sacculus portion 2 to be influenced the problem that the operation was gone on easily by the overextension in the treatment process and take place, and can make sacculus portion 2 shrink freely through adjustment mechanism 11, the art person can adjust sacculus portion 2 according to the size that needs, and easy operation, and the regulation precision is higher.

The utility model discloses a theory of operation is: the utility model discloses when using, the art person can be directly through the pincers way passageway of cholangioscope, with 1 propelling movement bile duct of pipe main part, because the strengthening rib 16 that sets up in the head 3, the calculus top can directly be put into with sacculus portion 2 to pipe main part 1, injects gas into in the gas injection pipe 8, and at this moment, sacculus portion 2 expands gradually, and the art person further controls the air input through adjusting adjustment mechanism 11 through the inflation degree or the manometer reading of observing sacculus portion 2 under the mirror. Repeatedly inflating for several times, every time at intervals of several minutes, when the sacculus part 2 is adjusted to a proper volume, dragging the catheter main body 1 to drag out choledocholithiasis and sand calculi adhered to the wall of the choledocholithiasis.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a stone sacculus is got to collapsible cholangioscope, includes catheter main part (1), sacculus portion (2), head (3), annotates liquid pipe (7), gas injection pipe (8), adjustment mechanism (11) and moulds plastics and connect (12), a serial communication port, the front end surface coating of catheter main part (1) has sacculus portion (2), the symmetry is equipped with first solid fixed ring (13) and the solid fixed ring of second (14) that are used for fixed sacculus portion (2) on catheter main part (1) at both ends about sacculus portion (2), fixed mounting has head (3) on catheter main part (1) of sacculus portion (2) front end, the one end fixed mounting that catheter main part (1) kept away from sacculus portion (2) has injection joint (12), the intercommunication has on injection joint (12) to annotate liquid pipe (7) has injection joint (7) and gas injection pipe (8), the one end intercommunication that injection joint (12) was kept away from to annotate liquid pipe (7) has the handle (9) that are used for injecting the contrast medium in annotating liquid pipe (7) ) The injection molding device is characterized in that one end of the gas injection pipe (8), which is far away from the injection molding joint (12), is communicated with an inflating handle (10) used for injecting gas into the gas injection pipe (8), and an adjusting mechanism (11) used for adjusting the volume of the balloon portion (2) is further arranged on the gas injection pipe (8).

2. A collapsible choledochoscope lithotomy balloon according to claim 1, wherein the head (3) comprises a third channel (6), a reinforcing tube (15), reinforcing ribs (16), a protective sleeve (17) and a head cushion (18), the third channel (6) is opened in the middle of the head (3), the hollow reinforcing tube (15) is fixedly installed in the third channel (6), a plurality of reinforcing ribs (16) penetrate through the reinforcing tube (15), the protective sleeve (17) is glued to the outer side of the reinforcing tube (15), the head cushion (18) is arranged at the front end of the protective sleeve (17), the head cushion (18) is hermetically connected with the protective sleeve (17), and a plurality of through holes are opened in the middle of the head cushion (18).

3. A collapsible choledochoscope lithotomy balloon according to claim 1, wherein the catheter body (1) is internally provided with a first channel (4) and a second channel (5), the left ends of the first channel (4) and the second channel (5) are respectively communicated with a gas injection tube (8) and a liquid injection tube (7), the right end of the first channel (4) is communicated with the balloon portion (2), and the right end of the second channel (5) is communicated with a third channel (6) in the head portion (3).

4. A collapsible choledochoscope lithotomy balloon according to claim 3, wherein the adjustment mechanism (11) comprises a balloon portion filling port (19), an outer rotatable support (20), an inner rotatable support (21), an elastic seal (22) and a compression member (23), the outer rotatable support (20) penetrating on the gas injection tube (8), an inner rotating support (21) is matched on the inner rotating support in a threaded manner, an elastic sealing element (22) made of silica gel is glued on the inner rotating support (21), a metal compression piece (23) is fixedly arranged on the outer rotary support (20), the compression piece (23) is pressed on the elastic sealing piece (22), the elastic sealing piece (22) and the compression piece (23) are both in a circular structure, balloon portion filling opening (19) is formed in the outer wall of one side of the gas injection pipe (8), and the balloon portion filling opening (19) is communicated with the first channel (4).

5. A collapsible choledochoscope lithotomy balloon according to claim 1, wherein the balloon portion (2) is of a silicone rubber composite material.

6. A collapsible choledochoscope lithotomy balloon according to claim 2, wherein the outer surface of the catheter body (1) is provided with a hydrophilic coating, the thickness of the coating gradually decreasing to the tail of the catheter body (1) as far as the head cushion (18).

7. A collapsible choledochoscope lithotomy balloon according to claim 2, wherein the stiffening rib (16) is of a rigid material.