Squeezing type water injection balloon catheter

Abstract

The utility model discloses an extrusion type water injection balloon catheter, and belongs to the technical field of medical instruments. Comprising a main tube body comprising an insertion end and a rear end; the cannula is arranged on the outer side of the main catheter body in a sleeving mode, and a balloon is arranged on the cannula; the main tube body penetrates through the central position of the extrusion bag; one end of the water injection pipe is connected to the sleeve, and the other end is connected with an extrusion bag; the water injection device is arranged on the extrusion bag and used for applying pressure to the extrusion bag to control the water injection rate; the water injection device comprises a sliding sleeve which sleeves the main pipe body; the upper ring plate is fixedly arranged at one end of the sliding sleeve; the lower annular plate sleeves the outer side of the sliding sleeve; the extrusion bag is arranged on the main pipe body in a sleeving mode and located between the upper annular plate and the lower annular plate. The extrusion type water injection balloon catheter has the beneficial effect that the extrusion type water injection balloon catheter convenient to use is provided.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to an extruded water-injected balloon catheter. Background Art

[0002] For patients with prostate and bladder diseases, during postoperative indwelling catheterization treatment, a catheter is inserted into the patient's urethral opening to drain the urine in the bladder into a urine storage bag. However, in the last step of the use process, in order to prevent the catheter from slipping out, the operation of injecting water into the balloon to fix the catheter needs to be completed with one hand, which is inconvenient to use and increases the chance of failure for those who are not skilled in the operation.

[0003] The structure of the product can refer to a urinary catheter disclosed in the Chinese patent document publication number: CN219110576U, which includes a tube body, an air bag and a traction device. The tube body is provided with a urine inlet end and a rear end. The urine inlet end is provided with a urine catheter port. The rear end is detachably connected to the traction device. The traction device is used to adjust the position of the air bag in the bladder. The air bag swells after adding water or ventilation, and plays a supporting and fixing role in the bladder. The water injection bag can adjust the water volume and increase the weight of the water injection bag. The position of the air bag in the bladder is downward due to the weight of the water injection bag, so that it is close to the urethra and is not easy to leak urine.

[0004] In the above structure, a syringe needs to be used to inject gas into the bag, but the tube body needs to be fixed while injecting, which leads to the problem of inconvenience in one-handed operation.

[0005] Therefore, a kind of squeeze type water-injected balloon catheter that is easy to use is needed. Utility Model Content

[0006] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0007] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide an extrusion-type water-injection balloon catheter, including: a main body, including an insertion end and a rear end; a sleeve, which is sleeved on the outside of the main body and has a cavity inside, and a balloon is arranged on the sleeve, and the balloon is connected to the internal cavity of the sleeve; an extrusion bag, the main body passes through the center of the extrusion bag; a water injection pipe, one end of which is connected to the inner cavity of the sleeve, and the other end is connected to the extrusion bag; a water injection device, which is arranged on the extrusion bag and is used to apply pressure to the extrusion bag; the water injection device includes: a sliding sleeve, which is sleeved on the main body; an upper ring plate, which is fixedly arranged at one end of the sliding sleeve; a lower ring plate, which is sleeved on the outside of the sliding sleeve; the extrusion bag is sleeved on the main body and is located between the upper ring plate and the lower ring plate.

[0008] Furthermore, a limit assembly is provided between the upper ring plate and the lower ring plate, and the limit assembly comprises: a plurality of limit holes arranged along the axis direction of the sliding sleeve and provided on the outer side of the sliding sleeve, and a limit head slidably provided on the lower ring plate.

[0009] Furthermore, a sliding groove is provided on the lower ring plate, the limit head is slidably arranged in the sliding groove, a spring is arranged in the sliding groove, and two ends of the spring are respectively fixedly connected to the inner side wall of the sliding groove and the limit head.

[0010] Furthermore, a connector is provided on the extrusion bag, the connector is detachably connected to a connecting pipe, one end of the connecting pipe is detachably connected to a water injection pipe, and a check valve is provided in the connecting pipe.

[0011] Furthermore, an injection port is provided on the extrusion bag.

[0012] Furthermore, scale lines extending along the axial direction are arranged on the side wall of the sliding sleeve.

[0013] Furthermore, a sealing structure is provided on one side of the balloon close to the main tube, and the sealing structure protrudes along the outer wall of the main tube.

[0014] Furthermore, a connecting assembly is provided between the connecting pipe and the water injection pipe, and the connecting assembly includes a cylindrical portion with two ends passing therethrough and an outer sleeve portion provided on the cylindrical portion. The outer sleeve portion is sleeved on the cylindrical portion and threadedly connected to the cylindrical portion, and protrusions are provided on the outer side walls at both ends of the cylindrical portion.

[0015] Furthermore, an opening is provided on the upper ring plate for the connecting pipe to pass through.

[0016] The beneficial effect of the present application is that it provides an easy-to-use squeeze-type water-injected balloon catheter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0018] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0019] In the attached picture:

[0020] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0021] Figure 2 yes Figure 1 A schematic cross-sectional view of an embodiment;

[0022] Figure 3 yes Figure 2 A partial enlarged view of the middle A;

[0023] Figure 4 yes Figure 2 A partial enlarged view of point B in the middle;

[0024] Figure 5 yes Figure 4 A partial enlarged view of point C in the middle;

[0025] Figure 6 yes Figure 4 A partial enlarged view of point D in the middle.

[0026] Reference numerals:

[0027] 100. Main body; 101. Sleeve; 102. Extrusion bag; 103. Water injection pipe; 104. Water injection device; 105. Insertion end; 106. Rear end; 107. Balloon; 108. Sealing structure; 109. Sliding sleeve; 110. Upper ring plate; 111. Lower ring plate; 112. Limit hole; 113. Limit head; 114. Sliding groove; 115. Spring; 116. Scale line; 117. Injection port; 118. Connector; 119. Connecting pipe; 120. Check valve; 121. Cylindrical part; 122. Outer sleeve; 123. Protrusion. DETAILED DESCRIPTION

[0028] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0029] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0030] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0031] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0032] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0033] Reference Figure 1-6 The extrusion-type water-injection balloon catheter comprises: a main body 100, a sleeve 101, an extrusion bag 102, an injection pipe 103, and an injection device 104. The main body 100 comprises an insertion end 105 and a rear end 106, and the insertion end 105 is inserted into the bladder. The sleeve 101 is sleeved on the outside of the main body 100, and the sleeve 101 has an inner cavity. A balloon 107 is arranged on the sleeve 101, and the balloon 107 is communicated with the inner cavity of the sleeve 101. The balloon 107 is located on the side close to the insertion end 105, and a sealing structure 108 is arranged on the side close to the main body 100, and the sealing structure 108 protrudes along the outer wall direction of the main body 100. The extrusion bag 102 is sleeved on the main body 100, and the main body 100 passes through the center of the extrusion bag 102. The injection pipe 103 is communicated with the inner cavity of the sleeve 101, and the other end of the injection pipe 103 is connected to the extrusion bag 102. By squeezing the squeezing sac 102 , the fluid in the squeezing sac 102 flows into the balloon 107 , so that the balloon 107 expands, thereby limiting the position of the main tube 100 in the bladder.

[0034] The water injection device 104 is arranged on the squeezing bag 102, and is used to apply pressure to the squeezing bag 102 to control the amount of water injection. The water injection device 104 includes: a sliding sleeve 109, an upper ring plate 110, and a lower ring plate 111. The sliding sleeve 109 is sleeved on the main body 100, and the squeezing bag 102 is sleeved on the outside of the sliding sleeve 109. The upper ring plate 110 is fixedly arranged at one end of the sliding sleeve 109, and the lower ring plate 111 is slidably sleeved on the outside of the sliding sleeve 109, so that the squeezing bag 102 is located between the upper ring plate 110 and the lower ring plate 111.

[0035] A limiting assembly is arranged between the upper ring plate 110 and the lower ring plate 111, and the limiting assembly includes: a plurality of limiting holes 112 arranged on the outer side of the sliding sleeve 109 and extending along the axial direction of the sliding sleeve 109, and a limiting head 113 slidably arranged on the lower ring plate 111. A sliding groove 114 is provided on the lower ring plate 111, and the limiting head 113 is slidably arranged in the sliding groove 114. A spring 115 is arranged in the sliding groove 114, and the two ends of the spring 115 are respectively fixedly connected to the inner side wall of the sliding groove 114 and the limiting head 113. One end of the limiting head 113 is inserted into the limiting hole 12 to limit the lower ring plate 111. A scale line 116 extending along the axial direction is arranged on the side wall of the sliding sleeve 109, which is used to observe the sliding distance of the lower ring plate on the sliding sleeve 109, so as to detect the amount of fluid flowing from the extrusion bag 102 to the balloon 107. An injection port 117 is provided on the squeezing bag 102 to facilitate injecting more fluid into the squeezing bag 102 .

[0036] The extrusion bag 102 is provided with a connector 118, which is detachably connected to a connecting pipe 119, one end of which is detachably connected to the water injection pipe 103, and a check valve 120 is arranged in the connecting pipe 119. The upper ring plate 110 is provided with an opening for the connecting pipe 119 to pass through.

[0037] A connection assembly is provided between the connection pipe 119 and the water injection pipe 103, and the connection assembly includes a cylindrical portion 121 with two ends passing therethrough and two outer sleeves 122 threadedly connected to the cylindrical portion 121. Protrusions 123 are provided on the outer walls at both ends of the cylindrical portion 121. When the outer sleeve 122 presses the protrusions 123, the inner wall of the cylindrical portion 121 presses the connection pipe 119 and the water injection pipe 103, thereby achieving the connection between the connection pipe 119 and the water injection pipe 103.

[0038] Working or installation process: When it is necessary to limit the position of the main body 100 in the bladder, by pushing the limit head 113, the limit head 113 is no longer inserted into the limit hole 112. If the lower ring plate 111 is pushed to move, the extrusion bag 102 is pressed, and the fluid flows into the balloon 107, so that the balloon 107 expands, and the main body 100 is limited. The expansion of the balloon 107 will also make the sealing structure 108 seal between the main body 100 and the balloon 107. By observing the scale line 116, the amount of fluid injected into the balloon 107 can be controlled. When connecting the water injection pipe 103 and the connecting pipe 119, first insert the connecting pipe 119 and the water injection pipe 103 into the cylindrical part 121, and by rotating the outer sleeve 122, the outer sleeve 122 squeezes the protrusion 123, so that the inner wall of the cylindrical part 121 clamps the water injection pipe 103 and the connecting pipe 119 to achieve connection.

[0039] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. Extrusion type water-injected balloon catheter, characterized in that: include: A main body, including an insertion end and a rear end; A sleeve, which is sleeved on the outside of the main body and has a cavity inside. A balloon is arranged on the sleeve and communicates with the cavity inside the sleeve; An extrusion bag, wherein the main pipe passes through the center of the extrusion bag; A water injection pipe, one end of which is connected to the inner cavity of the sleeve and the other end of which is connected to the extrusion bag; A water injection device, disposed on the extrusion bag, for applying pressure to the extrusion bag; The water injection device comprises: A sliding sleeve, sleeved on the main pipe body; An upper ring plate, fixedly arranged at one end of the sliding sleeve; A lower ring plate, sleeved on the outer side of the sliding sleeve; The extrusion bag is sleeved on the main pipe body and is located between the upper ring plate and the lower ring plate.

2. The squeeze-type water-injected balloon catheter according to claim 1, characterized in that: A limiting assembly is arranged between the upper ring plate and the lower ring plate, and the limiting assembly comprises: a plurality of limiting holes arranged on the outer side of the sliding sleeve and arranged along the axis direction of the sliding sleeve, and a limiting head slidably arranged on the lower ring plate.

3. The squeeze-type water-injected balloon catheter according to claim 2, characterized in that: The lower ring plate is provided with a sliding groove, the limit head is slidably arranged in the sliding groove, a spring is arranged in the sliding groove, and two ends of the spring are respectively fixedly connected to the inner side wall of the sliding groove and the limit head.

4. The squeeze-type water-injected balloon catheter according to claim 3, characterized in that: The extrusion bag is provided with a connector, the connector is detachably connected to a connecting pipe, one end of the connecting pipe is detachably connected to a water injection pipe, and a check valve is arranged in the connecting pipe.

5. The squeeze-type water-injected balloon catheter according to claim 4, characterized in that: An injection port is provided on the extrusion bag.

6. The squeeze-type water-injected balloon catheter according to claim 5, characterized in that: The side wall of the sliding sleeve is provided with scale lines extending along the axial direction.

7. The squeeze-type water-injected balloon catheter according to claim 6, characterized in that: The balloon is provided with a sealing structure on one side close to the main tube, and the sealing structure protrudes along the outer wall of the main tube.

8. The squeeze-type water-injected balloon catheter according to claim 7, characterized in that: A connecting assembly is arranged between the connecting pipe and the water injection pipe, and the connecting assembly includes a cylindrical portion with two ends passing therethrough and an outer sleeve portion arranged on the cylindrical portion. The outer sleeve portion is sleeved on the cylindrical portion and threadedly connected to the cylindrical portion, and protrusions are arranged on the outer side walls at both ends of the cylindrical portion.

9. The squeeze-type water-injected balloon catheter according to claim 8, characterized in that: The upper ring plate is provided with an opening for the connecting pipe to pass through.

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