CN217907884U - Alimentary canal hemostasis sacculus - Google Patents

Abstract

The utility model discloses a digestive tract hemostatic balloon, which comprises a balloon, wherein the balloon is a sphere which can be expanded and realize hemostasis by expansion and extrusion, the balloon is made of shell cluster absorbable hemostatic materials, the hemostatic balloon also comprises an expansion tube which is communicated with the balloon and used for controlling expansion by inflating the balloon, a suction tube for sucking blood at the balloon is arranged outside the balloon, a plurality of side holes are arranged outside the suction tube at the balloon, and when more bleeding occurs, the bleeding part can be washed to expose bleeding points; the design of sacculus and inflation pipe fills the gassing to the sacculus through the inflation pipe, has realized the inflation of sacculus, utilizes the inflation oppression of sacculus to realize stanching, and adopt the shell cluster to absorb hemostatic material to constitute with the sacculus, avoid oppressing the back ischemia, can absorb the material and can prevent to get the mucous membrane when sacculus and tear and take off and induce and bleed again, and holistic hemostatic effect of further improvement can be enough to such design, can prevent again that the complication from taking place.

Description

Alimentary canal hemostasis sacculus

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to alimentary canal hemostasis sacculus.

Background

The upper gastrointestinal hemorrhage is a common symptom in clinic, causes a plurality of causes of the upper gastrointestinal hemorrhage, and is the first bleeding caused by esophagus, stomach, duodenum, pancreas or bile duct diseases, wherein peptic ulcer bleeding is the most common bleeding, the conventional endoscopic titanium clip can be used for clamping and stopping bleeding, the submucosal injection can be used for stopping bleeding, the APC electrocoagulation can be used for stopping bleeding, and 80-90% of patients can be successfully subjected to endoscopic bleeding. However, when the duodenal bulbar wall is large and ulcerated, bleeding is easy to stop, and the surgery and interventional therapy are poor in curative effect because abundant blood vessels such as hepatic artery and branches thereof, right gastric artery, upper pancreatic-duodenal artery, gastroduodenal artery and right epicardial artery exist in the posterior wall of the duodenum. When the duodenal bulbar posterior ulcer erodes any blood vessel or branch thereof, the blood vessel is ruptured, so that heavy bleeding is caused, the visual field is unclear, and the compression hemostasis balloon for the duodenal bulbar ulcer is not clinically used at present.

SUMMERY OF THE UTILITY MODEL

To at least one problem in the prior art, an object of the present invention is to provide a hemostatic balloon for digestive tract, which is used for hemostasis against rupture of blood vessels caused by duodenal bulbar ulcer.

In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:

an alimentary tract hemostatic balloon, comprising an inflatable balloon employing a shell cluster absorbable hemostatic material;

the digestive tract hemostatic balloon further comprises an expansion tube which is communicated with the balloon and is used for inflating and expanding the inside of the balloon; a suction tube for sucking blood at the balloon is arranged on the outer side of the balloon, and a plurality of side holes are formed in the far end, adjacent to the balloon, of the suction tube.

Preferably, the proximal end of the suction tube is provided with a suction mechanism for controlling suction. The suction mechanism is an injector, the end part of the injector is detachably connected with a suction tube, and a three-way connecting piece is arranged at the end part of the suction tube.

Preferably, the end of the expansion pipe is provided with a charging and discharging mechanism for realizing gas charging and discharging, the charging and discharging mechanism is an injector, the injector is detachably connected with the air inlet end of the expansion pipe, and the end of the expansion pipe is provided with a three-way connecting piece.

Furthermore, the device also comprises a sleeve which is arranged outside the expansion pipe and the suction pipe and is used for wrapping and fixing the middle parts of the expansion pipe and the suction pipe.

Furthermore, the far end of the sleeve or the suction pipe is provided with a connector which is matched with the sleeve or the suction pipe and is detachably connected or integrally formed; the side hole is positioned on the side wall of the connector; the connector tip is equipped with the accumulator that is used for the sacculus to retrieve, be equipped with the intercommunicating pore of run-through type in the accumulator, the intercommunicating pore can be dismantled with the inflation pipe and be connected, be equipped with gliding connecting pipe back and forth in the intercommunicating pore, be linked together between connecting pipe and the sacculus, and the inflation pipe is linked together with the connecting pipe.

Furthermore, an annular ring groove is formed in the inner wall of the communication hole, a ring plate which is matched with the inner wall of the communication hole and is in sliding connection with the inner wall of the communication hole is arranged in the ring groove, the ring plate is fixedly connected with the outer side wall of the connecting pipe, and a reset spring which is used for driving the ring plate to automatically restore to the initial position is arranged in the ring groove.

Further, be equipped with in the connector and be annular suction groove, the side opening sets up in the connector outside, and the side opening is linked together with the suction groove, the suction groove upper end is equipped with the connector that is linked together, the suction tube tip can be dismantled with the connector and be connected.

Furthermore, the diameter of the connector is consistent with the diameter of the sleeve.

Preferably, the detachable connection of the suction pipe and the connecting port, the detachable connection of the communicating hole and the expansion pipe, and the detachable connection of the sleeve and the connecting head all adopt the connection mode of medical pipelines in the prior art.

Preferably, the length of the expansion pipe is more than 1m and less than 2.5 m; the aperture of the side hole is more than 2mm and less than 6 mm.

Compared with the prior art, the utility model discloses following technological effect has:

the design of sacculus and inflation pipe through the inflation of inflation pipe pair sacculus, has realized the inflation of sacculus, utilizes the inflation extrusion of sacculus to realized stanching, and adopt the shell cluster to absorb hemostatic material with the sacculus and constitute, such design, improvement that can further holistic hemostasis effect.

The alimentary canal hemostasis balloon can timely suck redundant blood at a bleeding part, expose the bleeding part, and control a bleeding compression point by the pressure of inflation or water injection in the balloon, so that the purpose of hemostasis is achieved, and the life of a patient is rescued.

Set up suction tube and side opening in the outside of sacculus, can utilize suction tube and side opening with the timely suction of blood of sacculus department to make the field of vision more clear, cooperate with other medical equipment and use, the more accurate more quick bleeding point of finding of messenger's sacculus that can be better, thereby timely will bleed the point and extrude hemostasis.

Specific embodiments of the present invention are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the present invention are not so limited in scope.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic view of the internal structure of fig. 1.

Fig. 3 is a schematic diagram of an internal structure of the connecting head in fig. 1.

The reference numbers in the figures illustrate: 1. a sleeve pipe 11 and an expansion pipe; 12. a suction tube; 13. a three-way connector; 2. a connector; 21. a side hole; 22. a suction groove; 23. a recovery tank; 24. an annular groove; 25. a return spring; 26. a connecting port; 27. a communicating hole; 28. an annular plate; 29. a connecting pipe; 3. a balloon.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "proximal", "distal" and "anterior", "posterior" are used in this disclosure with respect to the clinician using the digestive tract hemostatic balloon. The terms "proximal" and "posterior" refer to portions that are relatively close to the clinician, and the terms "distal" and "anterior" refer to portions that are relatively far from the clinician. For example, the extracorporeal portion is proximal and posterior, and the interventional intracorporeal portion is distal and anterior.

Referring to fig. 1, one embodiment of the present disclosure provides a hemostatic balloon for digestive tract, which includes a balloon 3 and an inflation tube 11 communicating with the balloon 3 and used for inflating and controlling the inflation of the balloon 3. The balloon 3 is a sphere which can be expanded and realize hemostasis by expansion and extrusion, and the balloon 3 is made of a chitosan absorbable hemostatic material. The design of sacculus 3 and inflation tube 11 through inflation and deflation of inflation tube 11 to sacculus 3, has realized the inflation of sacculus 3, utilizes the inflation extrusion of sacculus 3 to realized stanching, and adopted the shell cluster with sacculus 3 and can absorb hemostatic material and constitute, such design, can further improvement holistic hemostatic effect. The expansion tube 11 is a flexible tube, and the interior of the flexible tube is used for inputting expansion liquid or gas, preferably, the flexible tube can be used for inputting physiological saline suitable for a human body to be used as expansion fluid, and of course, the expansion fluid can also be gas under the closed balloon 3.

The length of the expansion pipe is more than 1m and less than 2.5 m. For example, the length of the expansion pipe is 1.5m to 1.8m. In order to ensure the suction effect and avoid the failure of suction, the aperture of the side hole can be set up greatly, specifically, the aperture of the side hole is more than 2mm and less than 6 mm.

The saccule 3 is made of chitosan, and the chitosan is directly gathered with substances with negative charges in blood due to the positive charges of the chitosan to form gel substances; secondly, the activated blood platelet can release thromboxane A2 and 5-hydroxytryptamine, so that the hemostatic suppository is quickly formed to achieve the purpose of primary hemostasis.

Wherein, a suction tube 12 for sucking blood at the balloon 3 is arranged at the outer side of the digestive tract hemostatic balloon, a plurality of side holes 21 are arranged at the outer side of the suction tube 12 at the balloon 3 and are adjacent to the balloon 2. Set up suction tube 12 and side opening 21 in the outside of sacculus 3, can utilize outer end (near-end) and the side opening 21 of suction tube 12 with the timely suction of blood of sacculus 3 department to make the field of vision more clear, cooperate the use with other medical equipment (scope such as alimentary canal mirror, intestines and stomach mirror for example), the more accurate more quick bleeding point of finding of messenger's sacculus 3 that can be better, thereby timely extrude hemostasis with bleeding point.

When the bleeding is more, the suction tube 12 and the side hole 21 can also form a flushing pipeline, so that the bleeding part can be flushed, and the bleeding point can be exposed; the design of sacculus 3 and inflation tube 11 through inflation and deflation of inflation tube 11 to sacculus 3, has realized the inflation of sacculus 3, utilizes the inflation oppression of sacculus 3 to realize stanching, and adopt shell cluster with sacculus 3 and can absorb hemostatic material and constitute, avoid oppressing the back and lack blood, can absorb the material and can prevent to get the mucous membrane tear when sacculus 3 and take off and induce and bleed again, and such design can enough further improve holistic hemostatic effect, can prevent again that the complication from taking place.

Further, the suction end (outer end or near end) of the suction pipe 12 is provided with a suction mechanism for controlling suction, the suction mechanism is a syringe, the end part of the syringe is detachably connected with the suction pipe 12, and the end part of the suction pipe 12 is provided with a three-way connecting piece 13 for detachably communicating the suction mechanism. The inflation and deflation mechanism for achieving inflation and deflation is arranged at the end portion of the expansion pipe 11 and is an injector, the injector is detachably connected with the air inlet end of the expansion pipe 11, and a three-way connecting piece 13 used for detachably communicating the inflation and deflation mechanism is arranged at the end portion of the expansion pipe 11. In the medical field, the injector is used frequently, is better obtained and is more convenient to control. To better continue the aspiration of blood, automatic aspiration devices providing negative pressure may also be used. Meanwhile, the three-way connecting piece 13 such as a three-way valve is adopted, the condition of air leakage after air is injected can be effectively prevented by the three-way connecting piece 13, and the three-way connecting piece 13 also maintains pressure through a closed pipe end. Other components such as syringes, gas sources, etc. may be removably connected as desired by the tube end of the three-way connection 13.

In this embodiment, the hemostatic balloon for digestive tract is of a three-tube structure, and further includes a sleeve disposed outside the expansion tube 11 and the suction tube 12 and used for wrapping and fixing the middle of the expansion tube 11 and the suction tube 12. The sleeve 1 is added, the expansion tube 11 and the suction tube 12 can be integrated by the sleeve 1, and the expansion tube 11 and the suction tube 12 are effectively prevented from being too dispersed to influence the control of the balloon 3. In the present application, the length of the casing 1 is 1.8m. The length of the expansion tube 11 and the suction tube 12 located outside the cannula 1 and at the connection end of the syringe is 30cm.

In one possible embodiment, the hemostatic balloon for digestive tract has a two-tube structure, the suction tube 12 is sleeved outside the expansion tube 11, and a suction annular space is formed between the suction tube 12 and the expansion tube 11 to output blood. Referring to FIG. 2, the cannula of FIG. 2 is shown as the suction tube 12 with the inflation tube extending proximally out of the suction tube 12.

The sleeve 1 and/or the suction tube 12 are/is a rubber tube, for example a transparent silicone tube. The digestive tract hemostatic balloon can extend into and extend out of an endoscope biopsy hole with the diameter of about 2.8mm, and is matched with an endoscope to perform operation. The outer diameter of the alimentary canal hemostatic balloon is 2 to 6mm, and the outer diameter of the expansion pipe 11 is 1 to 5mm. For example, when the outer diameter of the hemostatic balloon of the alimentary tract (the sleeve 1/the suction tube 12) is 2.9mm, the inner diameter of the inflation tube 11 is 1.9mm; when the outer diameter of the hemostatic balloon of the alimentary canal (the sleeve 1/the suction tube 12) is 5.3mm, the inner diameter of the expansion tube 11 is 4.1mm. The diameter of the balloon 3 after expansion reaches 15mm to 30mm.

Referring to fig. 1 and 2, the end of the sleeve 1 is provided with a connector 2 that is matched and detachably connected or integrally formed or fixedly connected, such as by bonding. The connector 2 is made of silica gel. 2 tip of connector is equipped with the accumulator 23 that is used for sacculus 3 to retrieve, be equipped with the intercommunicating pore 27 that runs through the formula in the accumulator 23, intercommunicating pore 27 can be dismantled with expansion pipe 11 and be connected, be equipped with gliding connecting pipe 29 that makes a round trip in the intercommunicating pore 27, be linked together between connecting pipe 29 and the sacculus 3, and expansion pipe 11 is linked together with connecting pipe 29. Connector 2, the design of accumulator 23, make sacculus 3 can be through the round trip movement of connecting pipe 29 in intercommunicating pore 27, inflation when realizing sacculus 3 and recovery after not using is hidden, such design, can reduce holistic tip volume, make the better inserted affected part of sacculus 3, when using, with littleer wound entering, get into the back, through gaseous injection, make sacculus 3 outwards inflation, can not influence the inflation volume of sacculus 3, and the extrusion hemostasis effect after the inflation.

Referring to fig. 3, an annular groove 24 is formed in the inner wall of the communication hole 27, an annular plate 28 is disposed in the annular groove 24, the annular plate 28 is slidably connected to the outer side wall of the connection pipe 29, and a return spring 25 for driving the annular plate 28 to automatically return to an initial position is disposed in the annular groove 24. The design of ring channel 24, annular plate 28 and reset spring 25 has realized the back and forth movement of connecting pipe 29 in intercommunicating pore 27, and reset spring 25's design, makes sacculus 3 when not using, and reset spring 25's elasticity can drive sacculus 3 automatic recovery to in accumulator 23, has realized that the recovery of sacculus 3 is hidden. In the present case, the annular plate 28 is in sliding and sealing connection with the annular groove 24, the annular plate 28 being in sealing connection with the duct 29.

Referring to fig. 3, an annular suction groove 22 is formed in the connector 2, the side hole 21 is formed in the outer side of the connector 2, the side hole 21 is communicated with the suction groove 22, a connection port 26 is formed at the upper end of the suction groove 22, and the end of the suction tube 12 is detachably connected to the connection port 26. Set up side opening 21 in the 2 outsides of connector, make sacculus 3 and side opening 21 integrated design, like this, can set up side opening 21 through the different positions at connector 2, make side opening 21 can be better faster aspirate blood, can realize diversified moreover, the suction of multi-angle, the suction cleaner.

Further, the diameter of the connector 2 is consistent with that of the sleeve 1. The detachable connection of the suction tube 12 and the connecting port 26, the detachable connection of the communicating hole 27 and the expansion tube 11, and the detachable connection of the sleeve 1 and the connecting head 2 all adopt the connection mode of medical pipelines in the prior art.

When the application is used:

insert the wound with connector 2, and through control sleeve 1, with the leading-in internal department that needs hemostasis of connector 2, through the syringe of control suction tube 12 department, make the blood of hemostasis department pass through side opening 21 and get into in suction groove 22, along with in suction tube 12 gets into the syringe, thereby blood's quick clearance has been realized, then through other medical equipment, judge the department of bleeding, with connector 2 quick travel to the department of bleeding, and through the syringe of control inflation pipe 11 department, make in the gaseous injection sacculus 3, drive sacculus 3 outwards movement, at least partial sacculus 3 shifts out the distal end of connector 2, and the inflation simultaneously, make the hemostatic material in the sacculus 3 outside extrude hemostasis can facing the department of bleeding, convenient and fast.

Any numerical value recited herein includes all values from the lower value to the upper value that are incremented by one unit, provided that there is a separation of at least two units between any lower value and any higher value. For example, if it is stated that the number of a component or a value of a process variable (e.g., temperature, pressure, time, etc.) is from 1 to 90, preferably from 20 to 80, and more preferably from 30 to 70, it is intended that equivalents such as 15 to 85, 22 to 68, 43 to 51, 30 to 32 are also expressly enumerated in this specification. For values less than 1, one unit is suitably considered to be 0.0001, 0.001, 0.01, 0.1. These are only examples of what is intended to be explicitly recited, and all possible combinations of numerical values between the lowest value and the highest value that are explicitly recited in the specification in a similar manner are to be considered.

Unless otherwise indicated, all ranges are inclusive of the endpoints and all numbers between the endpoints. The use of "about" or "approximately" with a range applies to both endpoints of the range. Thus, "about 20 to about 30" is intended to cover "about 20 to about 30", including at least the endpoints specified.

All articles and references disclosed, including patent applications and publications, are incorporated by reference herein for all purposes. The term "consisting essentially of 8230to describe a combination shall include the identified element, ingredient, component or step and other elements, ingredients, components or steps that do not materially affect the basic novel characteristics of the combination. The use of the terms "comprising" or "including" to describe combinations of elements, components, or steps herein also contemplates embodiments that consist essentially of such elements, components, or steps. By using the term "may" herein, it is intended to indicate that any of the described attributes that "may" include are optional.

A plurality of elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, ingredient, component or step is not intended to foreclose other elements, ingredients, components or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not a disclaimer of such subject matter, nor is it to be construed that the inventors do not consider such subject matter to be part of the disclosed inventive subject matter.

Claims (10)

1. An alimentary tract hemostatic balloon, comprising: comprises adopting shell cluster to absorb the inflatable balloon of hemostatic material;

the digestive tract hemostatic balloon further comprises an expansion tube which is communicated with the balloon and is used for inflating and expanding the inside of the balloon; a suction tube for sucking blood at the balloon is arranged on the outer side of the balloon, and a plurality of side holes are formed in the far end of the suction tube adjacent to the balloon.

2. The alimentary tract hemostatic balloon of claim 1, wherein: the near-end of suction tube is equipped with the suction mechanism who is used for controlling the suction, suction mechanism is the syringe, the syringe tip can be dismantled with the suction tube and be connected, the suction tube tip is equipped with three way connection spare.

3. The alimentary tract hemostatic balloon of claim 1, wherein: the inflation and deflation device is characterized in that an inflation and deflation mechanism used for achieving inflation and deflation is arranged at the end part of the expansion pipe, the inflation and deflation mechanism is an injector, the injector is detachably connected with the air inlet end of the expansion pipe, and a three-way connecting piece is arranged at the end part of the expansion pipe.

4. The alimentary tract hemostatic balloon of claim 1, wherein: still including setting up in expansion pipe and suction tube outside and be used for expansion pipe and suction tube middle part parcel fixed sleeve pipe.

5. The alimentary tract hemostatic balloon of claim 4, wherein: the far end of the sleeve or the suction pipe is provided with a connector which is matched with the sleeve or the suction pipe and is detachably connected or integrally formed; the side hole is positioned on the side wall of the connector; the utility model discloses a balloon inflation device, including connecting head tip, intercommunicating pore and inflation pipe, the connecting head tip is equipped with the accumulator that is used for the sacculus to retrieve, be equipped with the intercommunicating pore of run-through type in the accumulator, the intercommunicating pore can be dismantled with the inflation pipe and be connected, be equipped with gliding connecting pipe back and forth in the intercommunicating pore, be linked together between connecting pipe and the sacculus, and the inflation pipe is linked together with the connecting pipe.

6. The alimentary tract hemostatic balloon of claim 5, wherein: the inner wall of the communication hole is provided with an annular ring groove, the ring groove is internally provided with a ring plate which is matched and connected in a sliding way, the ring plate is fixedly connected with the outer side wall of the connecting pipe, and the ring groove is internally provided with a reset spring which is used for driving the ring plate to automatically recover to the initial position.

7. The alimentary tract hemostatic balloon of claim 5, wherein: be equipped with in the connector and be annular suction groove, the side opening sets up in the connector outside, and the side opening is linked together with suction groove, suction groove upper end is equipped with the connector that is linked together, suction tube end portion can be dismantled with the connector and be connected.

8. The alimentary tract hemostatic balloon of claim 5, wherein: the diameter of the connector is consistent with the diameter of the sleeve.

9. The alimentary tract hemostatic balloon of claim 4, wherein: the sleeve is a silicone tube.

10. The alimentary tract hemostatic balloon of claim 4, wherein: the length of the expansion pipe is more than 1m and less than 2.5 m; the aperture of the side hole is more than 2mm and less than 6 mm.

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