CN113069178A - Negative pressure curet for surgical debridement - Google Patents

Abstract

The invention relates to the technical field of medical equipment application, in particular to a negative pressure curet for a surgical debridement operation, which comprises a handle with a hollow structure, a curet handle with a hollow structure and a curet head, wherein a negative pressure suction pipe is connected to the handle, the negative pressure suction pipe is communicated with the curet handle, a negative pressure valve is connected to the side wall of the handle, the negative pressure valve is connected with the negative pressure suction pipe, and two oppositely arranged illuminating lamps are connected to the bottom of the handle. The traditional solid curet is changed into the curet with the hollow structure, the handle is connected with the negative pressure suction pipe, the negative pressure suction pipe can be used for sucking necrotic tissues away in time during the curettage operation, and sucking infected tissues which are difficult to remove through flushing and wiping at the deep part, so that the infected tissues are prevented from spreading to the deep part to enlarge a polluted area, the operation speed is increased, the operation efficiency is improved, and the curette can be popularized in various medical institutions.

Description

Negative pressure curet for surgical debridement

Technical Field

The invention relates to a curette for a surgical debridement operation, in particular to a negative pressure curette for the surgical debridement operation, and belongs to the field of medical equipment application.

Background

Curettes are the most commonly used instruments in surgical debridement procedures, and are commonly used to curette deep infected tissue. When the existing curet is used, a large amount of granulation scraped off is usually accumulated together and can be removed only by being washed by gauze or normal saline again, but the curet is difficult to remove by a common method during deep sinus operation, the scraped tissue is not cleaned in time and is continuously used, and residual tissue on the curet can remain in the sinus along with the movement of the curet, so that the infection area is enlarged.

Disclosure of Invention

In order to overcome the defects of the existing curette, the invention provides a negative pressure curette for a surgical debridement operation.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a surgical debridement operation is with negative pressure curette, includes hollow structure's handle, hollow structure's curette handle and curette head, the curette head is connected curette handle bottom, curette handle spiral is fixed on the handle and with the handle intercommunication, be connected with the negative pressure straw on the handle, the negative pressure straw with curette handle intercommunication, be connected with the negative pressure valve on the handle lateral wall, the negative pressure valve with the negative pressure straw links to each other, the handle bottom is connected with two relative light that set up, two light are located respectively curette handle both sides.

Preferably, the inside division board that is fixed with of handle, division board upper surface is fixed with stand pipe and battery jar, battery jar in-connection has the lithium cell, the surface connection has the switch on the handle, switch, lithium cell and light electric connection, the handle endotheca is equipped with the material collecting pipe, the material collecting pipe card is established the division board bottom, the negative pressure straw cover is established in the stand pipe and run through the division board and with the material collecting pipe intercommunication, scrape the key handle with the material collecting pipe intercommunication, the negative pressure valve cover is established on the stand pipe.

Preferably, a feeding pipe is connected to the inner bottom surface of the material collecting pipe, the scraper handle is spirally fixed on the feeding pipe, and the height of the feeding pipe is 2/3-3/4 of the height of the material collecting pipe.

Preferably, the bottom surface of the separation plate is provided with an extrusion plate groove, a first spring post is connected in the extrusion plate groove, and the bottom of the first spring post is connected with an extrusion plate.

Preferably, be equipped with the camber stopper on the stand pipe inner wall, be equipped with the draw-in groove on the camber stopper inner wall, the negative pressure valve includes stretch button, connecting rod and checkpost, stretch button with the checkpost is fixed respectively the connecting rod both ends, the connecting rod runs through the stand pipe extends to inside the stand pipe, the checkpost is located in the stand pipe, stretch button is located outside the stand pipe, the checkpost with the draw-in groove is relative, be fixed with the limiting plate on the connecting rod, be connected with No. two spring posts on the limiting plate, the connecting rod cover is established in No. two spring posts, No. two spring post front ends are fixed on the stand pipe inner wall, the negative pressure straw is located the checkpost with between the draw-in groove.

Preferably, a material collecting pipe through groove is formed in the surface of the handle, a baffle is connected to the material collecting pipe through a hinge, a pull ring is connected to the surface of the baffle, a material collecting pipe elastic pressing device is elastically connected to the handle, and the material collecting pipe elastic pressing device extends into the handle and abuts against the material collecting pipe.

Preferably, the surface of the handle is provided with two through holes, the material collecting pipe elastic pressing device comprises an outer extrusion rod and an inner extrusion rod, two connecting shafts are connected between the outer extrusion rod and the inner extrusion rod, a third spring column is sleeved on the connecting shafts, the connecting shafts penetrate through the through holes, the outer extrusion rod is located outside the handle, the inner extrusion rod is located in the handle, one end of the third spring column is fixed to the inner end face of the outer extrusion rod, and the other end of the third spring column is fixed to the outer wall of the handle.

The invention has the advantages that the negative pressure curet for the surgical debridement operation has the following advantages,

1. the traditional solid curet is changed into the curet with a hollow structure, the handle is connected with the negative pressure suction pipe, so that necrotic tissues can be sucked away in time by using the negative pressure suction pipe during the scraping operation, infected tissues which are difficult to remove through flushing and wiping at the deep part can be sucked out, the infected tissues are prevented from spreading to the deep part to enlarge a polluted area, the operation speed is increased, the operation efficiency is improved, and the curet can be popularized in various medical institutions;

2. the illuminating lamp is additionally arranged, the illuminating lamp can provide an illuminating function in the use process of the curette, additional illuminating instruments are not needed, and the use is convenient.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a schematic view of the handle structure of the present invention.

Fig. 4 is a schematic view of the bottom surface structure of the partition plate of the present invention.

Fig. 5 is a schematic view of the connection structure of the negative pressure valve and the guide pipe of the present invention.

Fig. 6 is a schematic structural view of the collecting pipe presser of the present invention.

In the figure: 1. the handle, 2, the handle of the scraper, 3, the head of the scraper, 4, the negative pressure straw, 5, the negative pressure valve, 6, the partition board, 7, the stand pipe, 8, the battery jar, 9, the lithium battery, 10, the collecting pipe, 11, the light, 12, the inlet pipe, 13, the switch, 14, the collecting pipe through groove, 15, the collecting pipe ejector, 16, the extrusion plate groove, 17, the first spring column, 18, the extrusion plate, 19, the arc-shaped limiting block, 20, the clamping groove, 21, the stretching button, 22, the connecting rod, 23, the checkpost, 24, the limiting plate, 25, the second spring column, 26, the baffle, 27, the pull ring, 28, the outer extrusion rod, 29, the inner extrusion rod, 30, the connecting shaft, 31, the third spring column, 32, the through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner" and "outer" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the negative pressure curette for the surgical debridement operation comprises a hollow handle 1, a hollow curette handle 2 and a curette head 3, wherein the curette head 3 is connected to the bottom of the curette handle 2, the curette handle 2 is spirally fixed on the handle 1 and communicated with the handle 1, the handle 1 is connected with a negative pressure suction pipe 4, the negative pressure suction pipe 4 is communicated with the curette handle 2, the side wall of the handle 1 is connected with a negative pressure valve 5, the negative pressure valve 5 is connected with the negative pressure suction pipe 4, the bottom of the handle 1 is connected with two oppositely arranged illuminating lamps 11, and the two illuminating lamps 11 are respectively positioned on two sides of the curette handle 2.

The front end of the negative pressure suction pipe 4 is connected with a medical negative pressure suction apparatus (not marked in the figure), the negative pressure valve 5 is opened, and the negative pressure suction pipe 4 sucks the tissue scraped by the curette head 3 into the handle 1 by using negative pressure.

The illumination lamp 11 provides illumination services.

In this embodiment, the medical vacuum extractor is a commercially available product, and can be directly used by being connected to the vacuum suction tube 4.

As shown in fig. 2, a partition plate 6 is fixed inside the handle 1, a guide pipe 7 and a battery jar 8 are fixed on the upper surface of the partition plate 6, a lithium battery 9 is connected in the battery jar 8, a switch 13 is connected on the upper surface of the handle 1, the switch 13, the lithium battery 9 and the illuminating lamp 11 are electrically connected, a material collecting pipe 10 is arranged in the handle 1, the material collecting pipe 10 is clamped at the bottom of the partition plate 6, a negative pressure suction pipe 4 is arranged in the guide pipe 7 and penetrates through the partition plate 6 and the material collecting pipe 10, a spoon handle 2 is communicated with the material collecting pipe 10, and a negative pressure valve 5 is arranged on the guide pipe 7.

In this embodiment, the upper surface and the lower surface of the material collecting pipe 10 are both provided with threaded holes (not shown in the figures), the negative pressure suction pipe 4 is spirally fixed in the threaded hole on the upper surface of the material collecting pipe 10, and the curette handle 2 is spirally fixed in the threaded hole on the lower surface of the material collecting pipe 10.

Turning on the switch 13, and turning on the illuminating lamp 11; the switch 13 is turned off, and the illumination lamp 11 stops illuminating.

The scraped tissue is sucked into the material collecting pipe 10 through negative pressure, and the scraped tissue is collected and treated by the material collecting pipe 10.

The feeding pipe 12 is connected to the bottom surface of the inner portion of the material collecting pipe 10, the scraper handle 2 is spirally fixed to the feeding pipe 12, and the height of the feeding pipe 12 is 2/3-3/4 of the height of the material collecting pipe 10.

The scraped tissue is sucked into the feed pipe 12 and then falls into the collecting pipe 10, and the feed pipe 12 is additionally arranged to prevent the scraped tissue from flowing back.

As shown in fig. 4, an extrusion plate groove 16 is formed in the bottom surface of the partition plate 6, a first spring post 17 is connected in the extrusion plate groove 16, and an extrusion plate 18 is connected to the bottom of the first spring post 17.

In this embodiment, the length of the material collecting pipe 10 is the same as the height of the partition plate 6 from the bottom surface of the handle 1, and the length of the first spring column 17 is greater than the depth of the pressing plate groove 16.

The material collecting pipe 10 is clamped in the handle 1 and positioned at the bottom of the partition plate 6, the extruding plate 18 extrudes the material collecting pipe 10, and the material collecting pipe 10 is extruded and fixed between the partition plate 6 and the bottom surface of the handle 1.

As shown in fig. 5, an arc-shaped limiting block 19 is arranged on the inner wall of the guide tube 7, a clamping groove 20 is arranged on the inner wall of the arc-shaped limiting block 19, the negative pressure valve 5 comprises a stretching button 21, a connecting rod 22 and a clip 23, the stretching button 21 and the clip 23 are respectively fixed at two ends of the connecting rod 22, the connecting rod 22 penetrates through the guide tube 7 and extends to the interior of the guide tube 7, the clamp 23 is positioned in the guide tube 7, the stretching button 21 is positioned outside the guide tube 7, the clip 23 is opposite to the clamping groove 20, a limiting plate 24 is fixed on the connecting rod 22, a second spring post 25 is connected on the limiting plate 24, the connecting rod 22 is sleeved in the second spring column 25, the front end of the second spring column 25 is fixed on the inner wall of the guide pipe 7, and the negative pressure suction pipe 4 is located between the clamp 23 and the clamping groove 20.

In the present embodiment, the negative pressure suction pipe 4 is a bellows hose.

The stretching button 21 is pulled out, the clamp 23 is separated from the clamping groove 20, the pressure on the negative pressure suction pipe 4 disappears, the negative pressure suction pipe 4 is restored to a normal expansion state from the extrusion state, and the negative pressure suction function is started; and when the pulling force on the stretching button 21 is released, the clip 23 is restored to the original position under the action of the elastic force of the second spring column 25 and is clamped in the clamping groove 20, the negative pressure suction pipe 4 is extruded at the same time, the negative pressure suction pipe 4 is extruded to a closed state, and the negative pressure suction is stopped.

As shown in fig. 1 and 3, a material collecting pipe through groove 14 is formed in the surface of the handle 1, a baffle 26 is connected to the material collecting pipe through groove 14 through a hinge, a pull ring 27 is connected to the surface of the baffle 26, a material collecting pipe elastic device 15 is elastically connected to the handle 1, and the material collecting pipe elastic device 15 extends into the handle 1 and abuts against the material collecting pipe 10.

In this embodiment, the surface of the baffle 26 is covered with a rubber pad (not shown) to enhance the sealing effect.

The pull ring 27 is held and the baffle 26 is pulled outwards, the material collecting pipe 10 is ejected by the material collecting pipe ejector 15, and the material collecting pipe 10 is convenient to clean and replace.

As shown in fig. 3 and 6, the surface of the handle 1 is provided with two through holes 32, the material collecting pipe ejector 15 includes an outer extrusion rod 28 and an inner extrusion rod 29, two connecting shafts 30 are connected between the outer extrusion rod 28 and the inner extrusion rod 29, a third spring column 31 is sleeved on the connecting shafts 30, the connecting shafts 30 penetrate through the through holes 32, the outer extrusion rod 28 is located outside the handle 1, the inner extrusion rod 29 is located inside the handle 1, one end of the third spring column 31 is fixed on the inner end face of the outer extrusion rod 28, and the other end of the third spring column 31 is fixed on the outer wall of the handle 1.

The outer squeezing rod 28 is squeezed inwards and the inner squeezing rod 29 is moved inwards and squeezes the collecting pipe 10 out of the handle 1.

Examples

Holding the pull ring 27 and pulling the baffle 26 outwards, clamping the material collecting pipe 10 between the partition plate 6 and the bottom surface of the handle 1 through the material collecting pipe through groove 14, embedding the baffle 26 on the material collecting pipe through groove 14, pulling out the stretching button 21 outwards, removing the clamp 23 from the clamping groove 20, penetrating the negative pressure suction pipe 4 into the guide pipe 7 and clamping the negative pressure suction pipe 4 between the clamp 23 and the clamping groove 20, continuously inserting the negative pressure suction pipe 4 inwards to be opposite to a threaded hole on the upper surface of the material collecting pipe 10, spirally fixing the negative pressure suction pipe 4 in the threaded hole on the upper surface of the material collecting pipe 10, loosening the stretching button 21, clamping the clamp 23 in the clamping groove 20 under the elastic force of the second spring column 25, simultaneously extruding the negative pressure suction pipe 4, extruding the negative pressure suction pipe 4 to a closed state, and spirally fixing the scraping handle 2 in the threaded hole on the lower;

the switch 13 is turned on, the illuminating lamp 11 is turned on, and illumination service is provided for scraping operation;

after the curettage of the curettage spoon head 3 is carried out on the infected tissue, the stretching button 21 is pulled out, the clamp 23 is separated from the clamping groove 20, the pressure on the negative pressure suction pipe 4 disappears, the negative pressure suction pipe 4 is restored to a normal expansion state from a squeezing closed state, the negative pressure suction function is started, the curettage tissue on the curettage spoon head 3 is sucked into the feed pipe 12 through the curettage spoon handle 2 and finally falls into the collecting pipe 10, and the feed pipe 12 can prevent the tissue sucked into the collecting pipe 10 from flowing back into the curettage spoon handle 2;

after the scraping operation is finished, the switch 13 is closed, the stretching button 21 is pulled out, the clamp 23 is separated from the clamping groove 20, the negative pressure suction pipe 4 is taken down and separated from the material collecting pipe 10, the scraper handle 2 is taken down from the material collecting pipe 10, the pull ring 27 is held, the baffle 26 is pulled open outwards, the outer extrusion rod 28 is extruded inwards, the inner extrusion rod 29 moves inwards, the material collecting pipe 10 is extruded out of the material collecting pipe through groove 14, and the material collecting pipe 10 is taken down and cleaned and disinfected.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (7)

1. The utility model provides a surgery is negative pressure curette for debridement operation, includes hollow structure's handle (1), hollow structure's curette handle (2) and curette head (3), curette head (3) are connected curette handle (2) bottom, curette handle (2) spiral fix on handle (1) and with handle (1) intercommunication, its characterized in that: be connected with negative pressure straw (4) on handle (1), negative pressure straw (4) with scrape key handle (2) intercommunication, be connected with negative pressure valve (5) on handle (1) lateral wall, negative pressure valve (5) with negative pressure straw (4) link to each other, handle (1) bottom is connected with two relative light (11) that set up, two light (11) are located respectively scrape key handle (2) both sides.

2. The negative pressure curette for surgical debridement according to claim 1, wherein: handle (1) inside is fixed with division board (6), division board (6) upper surface is fixed with stand pipe (7) and battery jar (8), battery jar (8) in-connection has lithium cell (9), handle (1) upper surface is connected with switch (13), lithium cell (9) and light (11) electric connection, handle (1) endotheca is equipped with collection material pipe (10), collection material pipe (10) card is established division board (6) bottom, negative pressure straw (4) cover is established in stand pipe (7) and run through division board (6) and with collection material pipe (10) intercommunication, scrape spoon handle (2) with collection material pipe (10) intercommunication, negative pressure valve (5) cover is established on stand pipe (7).

3. The negative pressure curette for surgical debridement according to claim 2, wherein: the material collecting pipe is characterized in that a material inlet pipe (12) is connected to the bottom surface inside the material collecting pipe (10), the scraper handle (2) is spirally fixed to the material inlet pipe (12), and the height of the material inlet pipe (12) is 2/3-3/4 of the height of the material collecting pipe (10).

4. The negative pressure curette for surgical debridement according to claim 2, wherein: an extrusion plate groove (16) is formed in the bottom surface of the separation plate (6), a first spring column (17) is connected into the extrusion plate groove (16), and an extrusion plate (18) is connected to the bottom of the first spring column (17).

5. The negative pressure curette for surgical debridement according to claim 2, wherein: be equipped with arc type stopper (19) on stand pipe (7) inner wall, be equipped with draw-in groove (20) on arc type stopper (19) inner wall, negative pressure valve (5) are including stretch button (21), connecting rod (22) and checkpost (23), stretch button (21) with checkpost (23) are fixed respectively connecting rod (22) both ends, connecting rod (22) run through stand pipe (7) and extend to inside stand pipe (7), checkpost (23) are located in stand pipe (7), stretch button (21) are located outside stand pipe (7), checkpost (23) with draw-in groove (20) are relative, be fixed with limiting plate (24) on connecting rod (22), be connected with No. two spring posts (25) on limiting plate (24), connecting rod (22) cover is established in No. two spring posts (25), the front end of the second spring column (25) is fixed on the inner wall of the guide pipe (7), and the negative pressure suction pipe (4) is located between the clamp (23) and the clamping groove (20).

6. The negative pressure curette for surgical debridement according to claim 2, wherein: the handle (1) surface is equipped with material collection pipe through groove (14), material collection pipe is connected with baffle (26) through the hinge joint on through groove (14), baffle (26) are connected with pull ring (27) on the surface, elastic connection has material collection pipe bomb compression ware (15) on handle (1), material collection pipe bomb compression ware (15) extend to inside the handle (1) and with material collection pipe (10) counterbalance.

7. The negative pressure curette for surgical debridement according to claim 6, wherein: handle (1) surface is equipped with two through-holes (32), material collection pipe pressure ware (15) are including outer extrusion pole (28) and interior extrusion pole (29), outer extrusion pole (28) with be connected with two even axle (30) between interior extrusion pole (29), it is equipped with No. three spring post (31) to link the cover on axle (30), even axle (30) run through-hole (32), outer extrusion pole (28) are located outside handle (1), interior extrusion pole (29) are located in handle (1), No. three spring post (31) one end is fixed on the terminal surface in outer extrusion pole (28), the other end is fixed on handle (1) outer wall.

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