An osteomyelitis debridement irrigator for retaining a steel plate

Abstract

The utility model discloses an osteomyelitis debridement flusher for reserving steel sheet, including flush gun, be provided with liquid pipe at the end of flush gun, liquid pipe is made of memory metal material, be provided with the connecting pipe at the end of liquid pipe away from flush gun, be provided with the shower head at the end of connecting pipe, be provided with barb on the lateral wall of shower head, the utility model discloses between flush gun and shower head set up the liquid pipe of bendable, can be convenient according to the demand adjustment shower head's position and orientation, so that the shower head is inserted into the around of steel sheet, realizes the cleaning of the surrounding tissue, the utility model discloses still sets up barb, can clean out part of impurity tissue under the action of barb, realizes the effective cleaning of the wound.

Description

Technical Field

[0001] This utility model relates to the field of rinsing equipment, specifically a debridement and rinsing device for osteomyelitis with a steel plate. Background Technology

[0002] For chronic osteomyelitis, especially when there is sequestrum and sinus tract formation, debridement is an important treatment method that can effectively remove infected lesions, sequestrum, inflammatory granulation tissue, etc.

[0003] Debridement for chronic osteomyelitis requires the use of incision and dissection instruments, bone manipulation instruments, and suction and irrigation instruments. A scalpel is used to incise the skin and soft tissue, and surgical scissors are used to cut tissue. A periosteal elevator is used to peel away the periosteum to expose bone tissue; bone chisels and hammers are used to remove necrotic bone and trim bone surfaces; bone forceps are used to remove bone and reshape bone; and an electric saw is used to cut bone tissue. Suction devices are used to remove blood, pus, and irrigation fluid from the surgical area, maintaining a clear surgical field; suction heads come in different models and shapes. Irrigators are used to irrigate the surgical area; generally, there are ordinary irrigators and pulse irrigators, the latter providing more effective irrigation.

[0004] In practice, cases of osteomyelitis coexisting with metal plates are frequently encountered. The presence of plates and screws complicates the local anatomy, potentially obstructing the surgical field and making it difficult for surgeons to clearly identify the extent and boundaries of the osteomyelitis lesion, thus increasing the difficulty of thoroughly removing the lesion. Extra care must be taken to avoid the plates and screws when separating soft tissue and exposing bone tissue to prevent damage to surrounding tissues. Irregular gaps or dead cavities may form between the plate and the bone surface. These dead cavities easily accumulate pus, inflammatory exudate, and bacteria, and are difficult to completely remove, becoming a potential source of persistent infection and recurrence.

[0005] Currently, the ends of irrigators used for cleaning osteomyelitis are not adjustable, meaning the irrigating head at the end cannot be bent as needed. Therefore, this is not conducive to cleaning areas obscured by steel plates. For example, Chinese patent CN109481770A discloses a power-integrated visual negative pressure drainage pulse irrigator, which includes a nozzle, an irrigating gun main unit, an irrigating tube, and a drainage tube, as well as a power supply component rotatably connected to the rear end of the irrigating gun main unit. The nozzle is fixed at the head of the irrigating gun main unit; the irrigating tube and the drainage tube both enter the gun body from the bottom of the irrigating gun main unit; a start switch is provided at the handle of the irrigating gun main unit, and a motor is installed inside the irrigating gun main unit. The start switch, motor, and power supply component form a circuit loop. From the above patent disclosure, it is clear that the nozzle is fixed at the end of the irrigating gun, making it inconvenient to clean tissues located around the steel plate. Utility Model Content

[0006] The purpose of this invention is to provide an osteomyelitis debridement and irrigation device for retaining steel plates, aiming to improve the problem that the nozzle of the irrigator is not adjustable and is not conducive to rinsing the tissue around the steel plate.

[0007] This utility model is implemented as follows: an osteomyelitis debridement and rinsing device for retaining steel plates includes a rinsing gun, a liquid tube provided at the end of the rinsing gun, the liquid tube being made of shape memory metal material; a connecting pipe provided at the end of the liquid tube away from the rinsing gun, a nozzle provided at the end of the connecting pipe, and barbs provided on the side wall of the nozzle.

[0008] In one embodiment of this utility model, the inner wall of the connecting pipe is configured as a stepped structure, and the inner diameter of the end of the connecting pipe away from the liquid pipe is larger than the inner diameter of the other end, while the outer diameter of the connecting pipe is equal to the outer diameter of the liquid pipe.

[0009] As one embodiment of this utility model, an external threaded pipe is provided at the end of the liquid pipe, and an internal threaded structure is provided on the inner side wall of the end with the smaller inner diameter of the connecting pipe, and the connecting pipe is threaded onto the end of the liquid pipe.

[0010] As one embodiment of this utility model, an inlet / outlet groove is provided on the inner wall of the end with the larger inner diameter of the connecting pipe, and a retaining groove is provided at the step of the inner wall of the connecting pipe. The retaining groove and the inlet / outlet groove are paired one by one, and the retaining groove is located at the end of the inlet / outlet groove.

[0011] As one embodiment of this utility model, the inlet and outlet grooves are arranged along the length of the connecting pipe, and one end of the inlet and outlet grooves is set as an opening, while the other end of the inlet and outlet grooves is connected to the end of the connecting pipe with a smaller inner diameter; the slot is set at the end of the inlet and outlet grooves near the liquid pipe.

[0012] As one embodiment of this utility model, an end tube is provided at the end of the nozzle, and a locking block is provided on the outer side wall of the end tube; the end tube is inserted into the inner side of the connecting pipe, and the locking block passes through the inlet / outlet groove and is installed in the slot.

[0013] As one embodiment of this utility model, a sealing gasket is provided at the end of the connecting pipe away from the liquid pipe, and the nozzle contacts the sealing gasket.

[0014] As one embodiment of this utility model, a limiting mechanism is provided at the step inside the connecting pipe. The limiting mechanism includes a first baffle, a second baffle, and a spring. The spring is in a compressed state. The first baffle and the second baffle are respectively located at both ends of the spring, and the first baffle and the second baffle are in contact with the external threaded pipe and the locking block, respectively.

[0015] In one embodiment of this utility model, barbs are installed on the sleeve tube, and an annular plate is provided at the end of the sleeve tube, with a notch provided on the annular plate; the sleeve tube is sleeved on the nozzle.

[0016] The beneficial effects of this utility model are:

[0017] 1. This utility model has a flexible liquid tube between the rinsing gun and the nozzle, which makes it easy to adjust the position and orientation of the nozzle according to the needs, so that the nozzle can be inserted into the surrounding area of ​​the steel plate to clean the surrounding tissue.

[0018] 2. This utility model is equipped with a connecting pipe, and an inlet / outlet groove and a slot are provided on the inner side wall of the connecting pipe. At the same time, a block is provided on the end pipe of the nozzle, and the block can pass through the inlet / outlet groove and be installed in the slot. Thus, the nozzle can be detached and installed with the cooperation of the slot and the block, which provides convenience for replacing the nozzle as needed.

[0019] 3. This utility model is equipped with barbs, which can remove some impurities and tissues, thus achieving effective cleaning of the wound. Attached Figure Description

[0020] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model, making other features, objects, and characteristics of the utility model more apparent. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the liquid tube structure of this utility model;

[0023] Figure 3 This is a structural schematic diagram of the nozzle, connecting pipe, and limiting mechanism of this utility model;

[0024] Figure 4 This is a schematic diagram of the connecting pipe structure of this utility model;

[0025] Figure 5 This is a first structural schematic diagram of the nozzle of this utility model;

[0026] Figure 6 This is a schematic diagram of the second structure of the nozzle of this utility model;

[0027] Figure 7 This is a schematic diagram of the third structure of the nozzle of this utility model;

[0028] Figure 8 This is a schematic diagram of the structure of the sleeve tube of this utility model;

[0029] Figure 9 This is a schematic diagram of the limiting mechanism of this utility model.

[0030] In the diagram: 1. Fluid gun; 2. Liquid tube; 21. External threaded tube; 22. Internal threaded tube; 3. Nozzle; 31. End tube; 32. Clamping block; 33. Barb; 34. Sleeve; 35. Notch; 4. Connecting tube; 41. Sealing gasket; 42. Internal thread structure; 43. Inlet / outlet groove; 44. Clamping groove; 5. Restriction mechanism; 51. First baffle; 52. Spring; 53. Second baffle. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0033] Example 1

[0034] like Figure 1 As shown, this embodiment provides a new rinsing device to rinse the tissue around the steel plate. The device includes a rinsing gun 1, a liquid pipe 2, and a nozzle 3. The nozzle 3 and the rinsing gun 1 are positioned at opposite ends of the liquid pipe 2. The liquid pipe 2 is made of a shape-memory metal material, such as a nickel-titanium alloy. Therefore, by utilizing the deformation characteristics of the liquid pipe 2, the position and orientation of the nozzle 3 relative to the rinsing gun 1 can be adjusted. Thus, the nozzle 3 can be inserted into the area around the steel plate, where it is inconvenient to move it directly, to achieve the cleaning of the surrounding tissue.

[0035] The aforementioned flushing gun 1 can be configured as a conventional flushing device or a pulse flushing device, as already disclosed. For example, a pulse flushing device includes a power system, a flushing fluid storage and delivery system, a pulse generating device, and a control and monitoring system. The power system includes a power supply and a motor. The flushing fluid storage and delivery system includes a flushing fluid container and delivery tubing. The pulse generating device includes a pulse generator and a pressure regulating device.

[0036] like Figure 2 As shown, in order to stably install the liquid tube 2 at the end of the flushing gun 1, an external thread structure is provided on the tube body at the end of the flushing gun 1, and an internal thread tube 22 is provided at the end of the liquid tube 2. The internal thread tube 22 is threaded onto the tube body of the flushing gun 1.

[0037] like Figure 3As shown, in order to stably install the nozzle 3 at the end of the liquid pipe 2, a connecting pipe 4 is provided between the liquid pipe 2 and the nozzle 3. The connecting pipe 4 connects the liquid pipe 2 and the nozzle 3 and provides support for disassembling and replacing the nozzle 3.

[0038] like Figure 2 , Figure 3 As shown, specifically, an external threaded pipe 21 is provided at the end of the liquid pipe 2, and an internal threaded structure 42 is provided on the inner side wall of the smaller inner diameter end of the connecting pipe 4. The connecting pipe 4 is threaded onto the end of the liquid pipe 2. Therefore, in the threaded connection method, the connecting pipe 4 is stably installed on the liquid pipe 2, thereby making the nozzle 3 stably installed in communication with the liquid pipe 2.

[0039] The nozzle 3 can be configured as a direct spray nozzle, a fan-shaped nozzle, a multi-angle nozzle, etc., and the nozzle 3 can be disassembled and replaced as needed to adapt to different usage requirements.

[0040] like Figure 4 As shown, in order to allow for the disassembly and assembly of the nozzle 3 as needed, an inlet / outlet groove 43 is provided on the inner wall of the larger inner diameter end of the connecting pipe 4. The inlet / outlet groove 43 is arranged along the length of the connecting pipe 4, with one end of the inlet / outlet groove 43 being open, while the other end of the inlet / outlet groove 43 is connected to the smaller inner diameter end of the connecting pipe 4. A retaining groove 44 is provided at the step of the inner wall of the connecting pipe 4. The retaining groove 44 is paired with the inlet / outlet groove 43 one by one, and the retaining groove 44 is connected to the end of the inlet / outlet groove 43 near the liquid pipe 2.

[0041] like Figure 5 As shown, an end tube 31 is connected to the end of the nozzle 3, and a locking block 32 is provided on the outer wall of the end tube 31. When installing the nozzle 3, the end tube 31 is inserted into the inner side of the connecting pipe 4, and the locking block 32 is moved along the length direction of the inlet / outlet groove 43 until the locking block 32 moves to the side of the groove 44. Then, the end tube 31 is rotated to move the locking block 32 to the groove 44 and install it in the groove 44. Therefore, the nozzle 3 can be stably installed at the end of the connecting pipe 4 under the action of the groove 44 and the locking block 32.

[0042] like Figure 4 As shown, in order to prevent the locking block 32 from easily disengaging from the slot 44, a sealing gasket 41 is provided at the end of the connecting pipe 4 away from the liquid pipe 2. The nozzle 3 contacts the sealing gasket 41. Therefore, under the action of the sealing gasket 41, the nozzle 3 can be forced to move away from the connecting pipe 4, thereby making the locking block 32 stably installed in the slot 44.

[0043] like Figure 3 As shown, a limiting mechanism 5 can also be provided at the step inside the connecting pipe 4, and the locking block 32 can be stably installed in the slot 44 under the action of the limiting mechanism 5.

[0044] like Figure 9As shown, specifically, the limiting mechanism 5 includes a first baffle 51, a second baffle 53, and a spring 52. The spring 52 is in a compressed state. The first baffle 51 and the second baffle 53 are respectively disposed at both ends of the spring 52, and the first baffle 51 and the second baffle 53 are in contact with the external threaded tube 21 and the locking block 32, respectively. Therefore, under the action of the spring 52, the locking block 32 is forced to be stably installed in the locking slot 44. Although the spring 52 and the sealing gasket 41 force the locking block 32 to be stably installed in the locking slot 44, they also facilitate the locking block 32 to disengage from the locking slot 44. That is, the locking block 32 can be disengaged from the locking slot 44 by compressing the spring 52 and the sealing gasket 41 under external force.

[0045] like Figure 6 As shown, in order to facilitate the cleaning of certain tissues, a barb 33 can be provided on a certain nozzle 3. When it is necessary to use the barb 33 to clean tissue impurities, the nozzle 3 with the barb 33 is installed at the end of the liquid pipe 2.

[0046] Example 2

[0047] like Figure 7 , Figure 8 As shown, based on Embodiment 1, a detachable barb 33 can also be provided. That is, the barb 33 is installed on the sleeve tube 34, and an annular plate is provided at the end of the sleeve tube 34, with a notch 35 provided on the annular plate. When the barb 33 is needed, the nozzle 3 is removed, and then the sleeve tube 34 is fitted onto the nozzle 3, and then the nozzle 3 is installed on the connecting pipe 4, so that the barb 33 is stably installed at the nozzle 3.

[0048] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0049] The above-described embodiments are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. A debridement and irrigation device for osteomyelitis with retained steel plate, comprising an irrigation gun (1), characterized in that, A liquid tube (2) is provided at the end of the rinsing gun (1), and the liquid tube (2) is made of shape memory metal material; a connecting pipe (4) is provided at the end of the liquid tube (2) away from the rinsing gun (1), and a nozzle (3) is provided at the end of the connecting pipe (4), and barbs (33) are provided on the side wall of the nozzle (3).

2. The osteomyelitis debridement and irrigation device for retaining steel plates according to claim 1, characterized in that, The inner wall of the connecting pipe (4) is set as a stepped structure, and the inner diameter of the end of the connecting pipe (4) away from the liquid pipe (2) is larger than the inner diameter of the other end. At the same time, the outer diameter of the connecting pipe (4) is equal to the outer diameter of the liquid pipe (2).

3. The osteomyelitis debridement and irrigation device for retaining steel plates according to claim 2, characterized in that, An external threaded pipe (21) is provided at the end of the liquid pipe (2), and an internal threaded structure (42) is provided on the inner side wall of the smaller inner diameter end of the connecting pipe (4), and the connecting pipe (4) is threaded onto the external threaded pipe (21).

4. A debridement and irrigation device for osteomyelitis with retained steel plate according to claim 2, characterized in that, An inlet / outlet groove (43) is provided on the inner side wall of the larger inner diameter end of the connecting pipe (4), and a slot (44) is provided at the step of the inner side wall of the connecting pipe (4). The slot (44) is paired with the inlet / outlet groove (43) one by one, and the slot (44) is located near the end of the inlet / outlet groove (43).

5. A debridement and irrigation device for osteomyelitis with retained steel plate according to claim 4, characterized in that, The inlet / outlet groove (43) is arranged along the length of the connecting pipe (4), and one end of the inlet / outlet groove (43) is set as an opening, while the other end of the inlet / outlet groove (43) is connected to the end of the connecting pipe (4) with a smaller inner diameter; the slot (44) is set at the end of the inlet / outlet groove (43) near the liquid pipe (2).

6. A debridement and irrigation device for osteomyelitis with retained steel plate according to claim 5, characterized in that, An end tube (31) is provided at the end of the nozzle (3), and a locking block (32) is provided on the outer side wall of the end tube (31); the end tube (31) is inserted into the inner side of the connecting pipe (4), and the locking block (32) passes through the inlet / outlet groove (43) and is installed in the slot (44).

7. A debridement and irrigation device for osteomyelitis with retained steel plate according to claim 6, characterized in that, A sealing gasket (41) is provided at the end of the connecting pipe (4) away from the liquid pipe (2), and the nozzle (3) is in contact with the sealing gasket (41).

8. A debridement and irrigation device for osteomyelitis with retained steel plate according to claim 6, characterized in that, A limiting mechanism (5) is provided at the step inside the connecting pipe (4). The limiting mechanism (5) includes a first baffle (51), a second baffle (53), and a spring (52). The spring (52) is in a compressed state. The first baffle (51) and the second baffle (53) are respectively located at both ends of the spring (52), and the first baffle (51) and the second baffle (53) are in contact with the external threaded pipe (21) and the locking block (32), respectively.

9. A debridement and irrigation device for osteomyelitis with retained steel plate according to claim 1, characterized in that, The barbs (33) are installed on the sleeve (34), and the end of the sleeve (34) is provided with an annular plate with a notch (35) on the annular plate; the sleeve (34) is sleeved on the nozzle (3).

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