CN218651951U

CN218651951U - Visual puncture drainage device

Info

Publication number: CN218651951U
Application number: CN202221143833.XU
Authority: CN
Inventors: 李志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2023-03-21
Anticipated expiration: 2032-05-12

Abstract

The application relates to and discloses a visual puncture drainage device, include: the sheath comprises a sheath tube and a sheath clamp inner core, wherein the sheath tube comprises a hollow tubular opening structure and a rear functional base; the sheath clamp inner core comprises a tubular inner core body, a puncture tip positioned at the far end and an imaging objective lens; the sheath clamp is detachably matched with the sheath clamp inner core; when the sheath tube is matched with the sheath clamp inner core, the sheath clamp inner core is accommodated in the sheath tube and extends axially, and the tip of the far end of the sheath clamp inner core extends out of the sheath tube; an imaging objective lens is arranged inside the tip; the visual puncture drainage device is configured to: under the assistance of the imaging of a visual system, a channel outside the human body and inside the body cavity is safely established through the sharp intermittent puncture, and images from the inside of the target body cavity are collected in real time. According to the puncture device, the camera equipment is implanted in the puncture device, so that the whole puncture process is visualized, the puncture device is not judged and executed only by personal experience of a doctor, and the puncture operation is safer and more reliable; and greatly reduces the occupied area of equipment and the equipment cost.

Description

Visual puncture drainage device

Technical Field

The application relates to the field of medical equipment, in particular to a visual puncture drainage device.

Background

Closed drainage of the thoracic cavity is a necessary surgical treatment means under the conditions of postoperative wards, emergency rooms, emergency treatment outside hospitals and battlefields. In the irregular operating room space, the puncture process is blind operation under non-visibility, and is only carried out by depending on the experience of an operating doctor, so that intercostal blood vessels, lung tissues and important internal organ structures of mediastinum are easily injured by mistake, and the placement position deviation of a drainage tube can be caused, so that the treatment is unsuccessful. Therefore, a visual auxiliary guide device for closed thoracic drainage is very important. In addition, besides the assistance of accomplishing closed thoracic drainage under visualization, the needs of various functions such as local anesthesia and thoracic tissue liquid biopsy are also urgently needed to be met.

Disclosure of Invention

An object of the application is to provide a visual thorax puncture guiding device, avoids the iatrogenic injury that causes under the unusual pleural cavity condition (gluing, spatial relationship are unusual), can accomplish the deep drainage of difficult positions such as chest top, mediastinum face more safely.

An aspect of the application discloses a visual puncture drainage device, includes: the sheath comprises a sheath tube and a sheath clamp inner core, wherein the sheath tube comprises a hollow tubular opening structure and a rear functional base; the sheath clamp inner core comprises a tubular inner core body, a puncture tip positioned at the far end and an imaging objective lens; the sheath clamp is detachably matched with the sheath clamp inner core;

when the sheath tube is matched with the sheath clamp inner core, the sheath clamp inner core is accommodated in the sheath tube and extends axially, and the tip of the far end of the sheath clamp inner core extends out of the sheath tube; an imaging objective lens is arranged in the tip;

the visual puncture drainage device is configured to: the method is characterized in that a passage outside the human body and inside the body cavity is safely established through sharp and intermittent puncture under the assistance of the imaging of a visual system, and images from the inside of the target body cavity are collected in real time.

In a preferred embodiment, the imaging objective is arranged inside the tip at a distance of 5mm to 20mm from the end.

In a preferred embodiment, the sheath-card core further comprises an LED assembly comprising an LED light source disposed at the proximal end of the sheath-card core, and an optical fiber, wherein the optical fiber connects the LED light source to the tip.

In a preferred embodiment, the sheath-card core is provided with an axially extending instrument channel configured to advance a diagnostic and treatment tool therein.

In a preferred embodiment, the diagnostic and processing means is selected from any one of: biopsy forceps, biopsy brushes, drug delivery devices.

In a preferred embodiment, the instrument channel is provided on the surface of the peripheral wall of the sheath clip core, and is a groove recessed downward, or

The instrument channel is arranged inside the peripheral wall of the sheath clamp inner core and is a groove with a cavity in the peripheral wall.

In a preferred embodiment, the depth of field of the imaging objective is in the range of 3-100mm.

In a preferred embodiment, the outer diameter of the sheath tube is in the range of 8mm to 16mm; the inner diameter ranges from 5mm to 10mm.

In a preferred embodiment, the outer diameter of the sheath-card core is in the range of 5mm to 10mm.

In another aspect of the present application, a thoracocentesis drainage method is also disclosed, comprising the following steps:

making a 0.5-1cm incision on the skin surface of a patient;

in a preferred embodiment, the tip penetrates the incision in the patient's skin and enters the targeted chest region by abortive separation;

observing whether the puncture device reaches an ideal thoracic cavity position and whether the process is smooth or not through an external display device in the process of passing through the chest wall tissue and the thoracic cavity;

the sheath tube and the sheath clamp inner core are disengaged at the far end, and the sheath clamp inner core is drawn out;

and inserting the drainage tube into the target thoracic cavity part by a proper length through the sheath tube, removing the sheath tube, and fixing the thoracic drainage tube to complete drainage.

The application has at least the following beneficial effects:

1. the camera equipment is implanted into the puncture device, so that the whole puncture process is visualized, the puncture operation is not executed by the judgment of personal experience of a doctor any more, and the puncture operation is safer and more reliable;

2. the original large-scale camera shooting and imaging equipment in an operating room is omitted, the occupied area of the equipment is greatly reduced, and the equipment cost is greatly reduced;

3. the inside is equipped with the passageway that is used for biopsy, anesthesia appurtenance that doses in addition, provides a puncture drainage, sample and obtains, the multi-functional integrated piercing depth of dosing.

The present specification describes a number of technical features distributed throughout the various technical aspects, and if all possible combinations of technical features (i.e. technical aspects) of the present specification are listed, the description is made excessively long. In order to avoid this problem, the respective technical features disclosed in the above summary of the invention of the present application, the respective technical features disclosed in the following embodiments and examples, and the respective technical features disclosed in the drawings may be freely combined with each other to constitute various new technical solutions (which should be regarded as having been described in the present specification) unless such a combination of the technical features is technically infeasible. For example, in one example, the feature a + B + C is disclosed, in another example, the feature a + B + D + E is disclosed, and the features C and D are equivalent technical means for the same purpose, and technically only one feature is used, but not simultaneously employed, and the feature E can be technically combined with the feature C, then the solution of a + B + C + D should not be considered as being described because the technology is not feasible, and the solution of a + B + C + E should be considered as being described.

Drawings

Fig. 1 is an assembled state diagram of a visual puncture drainage device according to a first embodiment of the present application;

fig. 2A is a schematic view of a sheath-clip core according to a first embodiment;

fig. 2B is a top view of the sheath card core according to the first embodiment;

fig. 3 is a schematic view of a sheath according to a first embodiment;

fig. 4 is an assembled state diagram of a visual puncture drainage device according to a second embodiment of the present application;

FIG. 5A is a schematic view of a sheath-card core according to a second embodiment;

fig. 5B is a top view of the sheath card core according to the second embodiment;

fig. 6 is a schematic view of a sheath according to a second embodiment;

FIG. 7 is a schematic view of an assembly process of a visual puncture drainage device according to the present application;

FIG. 8 is a schematic illustration of the use of an instrument channel in accordance with a preferred embodiment of the present application.

Description of the reference numerals:

10-sheath clamp inner core; 11-a stem portion; 111-instrument channel; 12-a tip; 120-an imaging objective lens; 13-a power line; 14-Syringe adapter

20-sheath tube; 21-gas input interface

Detailed Description

In the following description, numerous technical details are set forth in order to provide a better understanding of the present application. However, it will be understood by those skilled in the art that the technical solutions claimed in the present application may be implemented without these technical details and with various changes and modifications based on the following embodiments.

Term(s) for

As used herein, "visual puncture drainage device," "puncture device," "drainage device," "device" are used interchangeably and refer to the visual puncture drainage device of the present application.

As used herein, in describing the devices, components, and parts of the present application, "proximal" refers to the end of the device, component, and part that is proximal to the operator during use; "distal" refers to the end of the device, component, part that is opposite the "proximal" end, i.e., the end of the device, component, part that is away from the operator during the distancing process.

The following outlines some of the innovative points of the embodiments of the present application:

as shown in fig. 1, the present application provides a visual puncture drainage device, which comprises a sheath clip inner core 10 and a sheath tube 20. The sheath 20, as shown in fig. 3, includes an outer sleeve which is the sheath clamping inner core 10, and a hollow and equal-width tubular opening structure of the outer sleeve, wherein the opening is in a chamfered surface. The sheath has an outer diameter in the range of 8mm to 16mm, more preferably not 9mm to 14mm; the inner diameter ranges from 5mm to 10mm. In one embodiment, the sheath has an outer diameter of 9mm and an inner diameter of 5mm. In another embodiment, the sheath has an outer diameter of 14mm and an inner diameter of 10mm.

The sheath-clip core is in the form of a pen barrel, as shown in figures 2A to 2B, having a shaft 11 of uniform thickness with an outside diameter in the range 5mm to 15mm, preferably 8mm to 12mm, more preferably 10mm in cross-section. In both embodiments of the present application, the outer diameters of the sheath-clip core are 5mm and 10mm, respectively. The distal end of the shaft includes a tapered tip. The tip is provided in a conical shape to facilitate penetration. The sheath clip core is made of medical grade PC and preferably has a length (i.e. the distance from the tip end to the proximal handle) of 100mm. The sheath card inner core can be arranged in the sheath tube, and the sheath card inner core and the sheath tube are detachably matched through a bayonet at the proximal end. When the two are fixedly matched, the sheath clamp inner core is accommodated in the sheath tube and extends axially, and the tip of the distal end of the sheath clamp inner core extends out of the sheath tube.

An imaging objective lens (or called a camera) is arranged in the sheath clamp inner core. The imaging objective lens is arranged at the tip of the sheath card inner core. In a preferred embodiment, the imaging objective is arranged at the transition of the tip and the shaft, preferably at a distance of 5mm to 20mm from the end of the tip. The imaging objective is preferably a CMOS sensor based lens with a 3.8mm diameter camera lens and a depth of field in the range of 3-100mm, in a preferred embodiment 40mm. The angle range of the camera is 90 ° to 270 °. In one embodiment, the angle is 100 °. The resolution of the imaging objective is not less than 800X800 pixels. In an alternative embodiment, the imaging objective further comprises a magnifying visual structure of the optical zoom. The imaging objective is connected to the proximal end by a power cord having a diameter of 0.6mm.

The sheath-card core also includes an LED assembly. The LED assembly includes an LED light source and an optical fiber. The LED light source is arranged inside the near end of the sheath clamp inner core; the optical fiber is arranged on the inner wall of the re-sheath clamp inner core; an optical fiber connects the LED light source to the tip. In an alternative embodiment, the LED assembly further comprises a splitter disposed at the proximal end with the LED light source, at least 2 distinct bundles of optical fibers extending from the splitter within the sheath-clip core, and at least 2 distinct apertures disposed at the tip for receiving the optical fibers.

In a preferred embodiment, the sheath-clip core is provided with an axially extending instrument channel. The instrument channel is a long and narrow groove-shaped channel and is arranged on the surface of the peripheral wall of the sheath clamp inner core, and can also be arranged inside the surface of the peripheral wall (namely, a cavity is dug in the peripheral wall). The instrument channel may be circular or rectangular in cross-section. When the channel is a groove having a circular cross-section, the cross-sectional diameter of the groove may range from 3mm to 5mm, and in a preferred embodiment the diameter is 3.8mm. When the channel is a slot having a rectangular cross-section, the slot may have a cross-sectional length X width of 3.8mm by 3.8mm. The channel functions to advance diagnostic and treatment tools therein, including but not limited to biopsy forceps, biopsy brushes, drug delivery devices, and the like. The instrument channel and the diagnosis and processing tool can be used for local anesthetic injection, flushing and obtaining thoracic drainage liquid specimens.

The proximal end of the sheath card core provides an I/O interface, including but not limited to a USB interface, a Type-C interface, at least for connection of the device to an external display device. In an alternative embodiment, the puncture device supports HDMI external output, and can synchronously output the picture to the external display in real time.

The puncture device has a processor inside, the processor includes an image processing module, and the operations performed on the image acquired by the imaging objective lens include but are not limited to: center enhancement, denoising and color rendering processing are carried out to improve the image quality and the recognition degree. In a preferred embodiment, the sheath-card core and its image processing module assist in operating the function of achieving white balance auto-adjustment: the image processing module of the puncture device is preset with a plurality of kinds of white balance reference data based on different color temperatures, when the processor reads the white balance data of the image from the CMOS sensor, a set of white balance reference data suitable for the color temperature is automatically matched, the output intensity of R, G and B signals in the image processing module is controlled, and finally, the image which meets the diagnosis requirement of a doctor is displayed on the display equipment. The function of the automatic white balance adjustment can also be realized in a manual adjustment mode, so that different users can adjust the white balance display of the display picture by themselves, and the optimal picture effect is achieved.

In a preferred embodiment, the device further comprises a moisture absorption channel (capillary channels) with capillary effect (capillary effect) for automatically removing and filtering the residual substances in the inner core of the sheath card during drainage.

In order to better understand the technical solution of the present application, the following description is given with reference to a specific example, in which the listed details are mainly for the sake of understanding and are not intended to limit the scope of the present application.

The puncture drainage device of the present embodiment includes a sheath clip inner core 10 and a sheath 20 as shown in fig. 4 to 6. The sheath 20 has an outer diameter of 14mm and an inner diameter of 10mm as shown in FIG. 6. The sheath also includes a gas input interface 21. The sheath-clip core is in the shape of a pen tube with an outer diameter of 10mm and is made of medical grade PC as shown in fig. 5A to 5B.

An imaging objective lens is arranged in the sheath clamp inner core. The diameter of the camera lens is 3.8mm, and the depth of field range is 40mm. The angle of the camera is 100 °.

An axially extending instrument channel is arranged on the sheath clamp inner core. The instrument channel is provided inside the surface of the circumferential wall (i.e. a cavity is hollowed out in the circumferential wall) and is circular in cross-section, the cross-sectional diameter of the groove being 3.8mm. The channel functions to advance a biopsy forceps therein for thoracic drainage specimen retrieval.

Use the piercing depth of this application to carry out clinical puncture drainage to the patient of pleural effusion. The sheath 20 and the sheath clip core 10 are assembled as shown in fig. 7. An incision is made at a drainage site at the surface of the patient's skin. Use this device that sheath pipe and sheath card inner core are in the mating state to puncture: the operator holds the sheath with the index finger and pierces the tip into the subcutaneous fat-muscle-pleural fat-pleural cavity of the human body in sequence in a rotating manner. In the puncture process, due to the arrangement of the built-in imaging objective lens, an operator can observe the puncture position and depth on the external display device. After the puncture is finished and a communicated channel is established between the device and the focus, an operator enables the sheath clamp inner core to be separated from the sheath tube through a bayonet button at the near end, extracts the sheath clamp inner core, inserts the drainage tube to a proper position, removes the sheath tube and fixes the drainage tube on the skin.

As shown in fig. 8, a biopsy forceps is inserted from the instrument channel of the sheath-clamp core to obtain a lesion biopsy sample.

It is noted that, in the present patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element. In the present patent application, if it is mentioned that a certain action is executed according to a certain element, it means that the action is executed according to at least the element, and two cases are included: performing the action based only on the element, and performing the action based on the element and other elements. The expression of a plurality of, a plurality of and the like includes 2, 2 and more than 2, more than 2 and more than 2.

This specification includes combinations of the various embodiments described herein. Separate references to "one embodiment" or a particular embodiment, etc., do not necessarily refer to the same embodiment; however, these embodiments are not mutually exclusive, unless indicated as mutually exclusive or as would be apparent to one of ordinary skill in the art. It should be noted that the term "or" is used in this specification in a non-exclusive sense unless the context clearly dictates otherwise or requires otherwise.

All documents mentioned in this application are to be considered as being incorporated in their entirety into the disclosure of this application so as to be subject to modification as necessary. Further, it is understood that various changes or modifications may be made to the present application by those skilled in the art after reading the above disclosure of the present application, and such equivalents are also within the scope of the present application as claimed.

Claims

1. A visual puncture drainage device, comprising: the sheath comprises a sheath tube and a sheath clamp inner core, wherein the sheath tube comprises a hollow tubular opening structure and a rear functional base; the sheath clamp inner core comprises a tubular inner core body, a puncture tip positioned at the far end and an imaging objective lens; the sheath clamp is detachably matched with the sheath clamp inner core;

when the sheath tube is matched with the sheath clamp inner core, the sheath clamp inner core is accommodated in the sheath tube and extends axially, and the tip of the far end of the sheath clamp inner core extends out of the sheath tube; an imaging objective lens is arranged inside the tip;

the visual puncture drainage device is configured to: under the assistance of the imaging of a visual system, a channel outside the human body and inside the body cavity is safely established through the sharp intermittent puncture, and images from the inside of the target body cavity are collected in real time.

2. The visual puncture drainage device of claim 1, wherein the imaging objective is disposed within the tip at a distance of 5mm to 20mm from the tip.

3. The visual puncture drainage device of claim 1, wherein the sheath-clamp core further comprises an LED assembly comprising an LED light source disposed at the proximal end of the sheath-clamp core, and an optical fiber, wherein the optical fiber connects the LED light source to the tip.

4. The visual puncture drainage device of claim 1, wherein the sheath-clip inner core is provided with an axially extending instrument channel configured to advance diagnostic and treatment tools therein.

5. The visual puncture drainage device of claim 4, wherein the diagnostic and treatment tool is selected from any one of: biopsy forceps, biopsy brushes, drug delivery devices.

6. The visual puncture drainage device according to claim 4, wherein the instrument channel is provided on the surface of the peripheral wall of the sheath clip core, and is a groove recessed downward, or

7. The visual puncture drainage device of claim 1, wherein the imaging objective has a depth of field in the range of 3-100mm.

8. The visual puncture drainage device of claim 1, wherein the sheath has an outer diameter in the range of 8mm to 16mm; the inner diameter ranges from 5mm to 10mm.

9. The visual puncture drainage device of claim 1, wherein the sheath-clip inner core has an outer diameter in the range of 5mm to 10mm.