CN219207216U

CN219207216U - Gout knee joint chamber lavage component

Info

Publication number: CN219207216U
Application number: CN202223429226.2U
Authority: CN
Inventors: 黄阳; 杨光夏; 方明; 刘尧; 费晶; 吴影懿; 林丽燕
Original assignee: Affiliated Hospital of Jiangnan University
Current assignee: Affiliated Hospital of Jiangnan University
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-20
Anticipated expiration: 2032-12-21

Abstract

The utility model provides a gout knee joint cavity lavage component, which relates to the field of medical appliances and comprises: the front end of the needle tube is connected with a needle tube inserting nozzle in a forming way, and a thickened sealing ring is arranged on the part, close to the needle tube, of the needle tube inserting nozzle in a forming way; one end of the needle head assembly, which is far away from the needle head, is provided with a shifting ring, and the shifting ring can assist in carrying out drawing and inserting separation on the needle head assembly and the needle tube; a positioning sleeve is supported and arranged at the inner center of the thick short pipe on the needle tube spigot, and a sliding shaft is arranged on the positioning sleeve in a penetrating and sliding manner; the auxiliary drainage pipe is formed at the bottom of the thin short pipe on the needle tube spigot, the drainage hose is sleeved at the bottom of the auxiliary drainage pipe and connected with the drainage hose, the drainage hose can conduct diversion on drained normal saline, the normal saline is discharged into a specified container to conduct temporary storage, and the situation that the normal saline after lavage is directly extruded and drained to splash under the condition of no shielding diversion is avoided, so that a sickbed, a treatment table or the ground is polluted.

Description

Gout knee joint chamber lavage component

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a gout knee joint cavity lavage component.

Background

Arthritis is a common disease, which generally refers to an inflammatory disease occurring in joints and surrounding tissues of a human body, and serious cases even cause joint disability, thereby affecting the quality of life of patients, and joint lavage is applied to clinical treatment of various inflammatory arthritis in the orthopaedics field, and lavage surgery treatment requires lavage components.

After the existing normal saline is filled into the knee joint for lavage, the normal saline is needed to be filled into the joint for excretion, the normal saline after lavage is generally refluxed and excreted through the needle head assembly by squeezing the skin propped up by water at the joint, but when the normal saline is excreted in a squeezing way, the normal saline after lavage is directly squeezed and excreted without any shielding and guiding condition, so that sickbeds, treatment tables or the ground are easy to be polluted.

Disclosure of Invention

In view of the above, the utility model provides a gout knee joint cavity lavage component, which solves the problems that when the lavage component is squeezed and excreted, the normal saline after lavage is directly squeezed and excreted and splashed under the condition of no shielding and guiding, and a sickbed, a treatment table or the ground is easy to be polluted.

The utility model provides a gout knee joint cavity lavage component, which specifically comprises: the front end of the needle tube is connected with a needle tube inserting nozzle in a forming way, and a thickened sealing ring is arranged on the part, close to the needle tube, of the needle tube inserting nozzle in a forming way; the needle tube inserting nozzle is sleeved with a needle head assembly, the whole needle head assembly is formed by jointly connecting a front short tube and a rear short tube, the front end of the thick short tube is of a plugging structure, the center of a plugging plate at the front end of the thick short tube is provided with a needle head, and an opening at the tail end of the thick short tube is provided with a thickening ring groove; when the needle tube inserting nozzle is matched with the needle head assembly in a sleeving manner, the sealing ring is matched with the thickened ring groove plug in a plugging manner for sealing; one end of the needle head assembly, which is far away from the needle head, is provided with a shifting ring, and the shifting ring can assist in carrying out drawing and inserting separation on the needle head assembly and the needle tube; the inner center of the thick short tube on the needle tube spigot is supported and provided with a locating sleeve, and a sliding shaft penetrates through the locating sleeve and is slidably arranged on the locating sleeve.

Further, an auxiliary drain pipe is formed at the bottom of the thin short pipe on the needle tube spigot, and a drain hose is sleeved and connected at the bottom of the auxiliary drain pipe.

Further, the first end of the sliding shaft is fixedly provided with a round sealing plate, six supporting short shafts are arranged on the round sealing plate in a surrounding mode, and the first end of each six supporting short shafts is fixedly provided with a stress ring.

Further, a spring is arranged on the sliding shaft in a compressed mode on a rod section between the circular sealing plate and the positioning sleeve, and the circular sealing plate is in sliding fit with the thin short tube on the needle tube spigot.

Further, when the needle tube plug is in plug-in fit with the needle assembly sleeve, the front end of the needle tube plug is in abutting contact with the stress ring.

Further, when the needle cannula hub is detached from the needle assembly, the circular seal plate slides through the tail end opening of the auxiliary drain tube and is positioned in the head end opening of the thin short tube on the needle cannula hub.

Advantageous effects

1. After the physiological saline is filled into the knee joint to be irrigated, the physiological saline is required to be irrigated into the joint to be excreted, the irrigated physiological saline is generally excreted back through the needle head assembly by extruding the skin supported by water at the joint, the physiological saline excreted through the needle head back flow can be excreted through the auxiliary excretory pipe and the excretory hose, the excretory hose can conduct diversion on the excreted physiological saline, the physiological saline is discharged into a specified container to be temporarily stored, and the situation that the irrigated physiological saline is directly extruded and excreted to splash without shielding diversion is avoided, so that sickbeds, treatment tables or the ground are polluted.

2. The front end of the needle tube spigot is in abutting contact with the stress ring, the round sealing plate is pushed inwards to separate from the thin short tube to open the needle head assembly, so that the solution in the needle tube is input into the joint cavity through the needle head assembly, the trouble that the needle head assembly needs to be additionally manually opened and closed when the syringe is used for lavage is omitted, the stress ring can form a space (groove) for discharging physiological saline between the needle tube spigot and the round sealing plate at intervals, the round sealing plate is prevented from being tightly attached to the front end opening of the needle tube spigot, the injected liquid of the needle tube is prevented from blocking, in addition, the needle tube spigot can seal the auxiliary drain tube along the way when the needle head assembly is inserted and matched for injection, the leakage of the injected liquid from the auxiliary drain tube is avoided, and the trouble that the auxiliary drain tube needs to be additionally manually opened and closed when the physiological saline is injected and drained is omitted.

3. According to the utility model, after the needle tube is separated from the needle head assembly, the round sealing plate can be automatically and slidably sealed in the rear end opening of the thin short tube under the pushing of the spring on the sliding shaft, so that the round sealing plate is prevented from being directly splashed out through the rear end opening of the thin short tube when the physiological saline is extruded and excreted.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the utility model and are not intended to limit the utility model.

In the drawings:

FIG. 1 is a schematic view of a needle cannula according to an embodiment of the present utility model.

Fig. 2 is a schematic illustration of the interior of a needle assembly in semi-section according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a needle cannula hub according to an embodiment of the present utility model.

Fig. 4 is a front elevational view, in semi-section, of a needle assembly according to an embodiment of the present utility model.

List of reference numerals

1. A needle tube; 101. a needle tube spigot; 102. a seal ring; 2. a needle assembly; 201. an auxiliary drain; 202. a dial ring; 203. a positioning sleeve; 204. thickening the ring groove; 3. a slide shaft; 301. a circular sealing plate; 302. and a stress ring.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model.

Examples: please refer to fig. 1 to 4:

the utility model provides a gout knee joint cavity lavage component, which comprises a needle tube 1, wherein the front end of the needle tube 1 is connected with a needle tube spigot 101 in a molding way, and a thickened sealing ring 102 is arranged on the part, close to the needle tube 1, of the needle tube spigot 101 in a molding way; the needle tube inserting nozzle 101 is sleeved and inserted with a needle head assembly 2, the whole needle head assembly 2 is formed by jointly connecting a front short tube and a rear short tube, wherein the front end of the thick short tube is in a plugging structure, the central position of a plugging plate at the front end of the thick short tube is provided with a needle head, and an opening at the tail end of the thick short tube is provided with a thickening ring groove 204; when the needle tube spigot 101 is in plug fit with the needle head assembly 2, the sealing ring 102 is in plug fit seal with the thickening ring groove 204; one end of the needle head assembly 2, which is far away from the needle head, is provided with a shifting ring 202, and the shifting ring 202 can assist in carrying out extraction and insertion separation on the needle head assembly 2 and the needle tube 1; a positioning sleeve 203 is supported and arranged at the inner center of the thick short pipe on the needle tube spigot 101, and a sliding shaft 3 is arranged on the positioning sleeve 203 in a penetrating and sliding manner; the head end of the sliding shaft 3 is fixedly provided with a round sealing plate 301, six supporting short shafts are arranged on the round sealing plate 301 in a surrounding mode, and the head end of each six supporting short shafts is fixedly provided with a stress ring 302; the rod section of the sliding shaft 3 between the circular sealing plate 301 and the positioning sleeve 203 is provided with a spring in a compressed mode, and the circular sealing plate 301 is in sliding fit with the thin short tube on the needle tube inserting nozzle 101.

The bottom of the thin short pipe on the needle tube spigot 101 is provided with an auxiliary drain pipe 201, the bottom of the auxiliary drain pipe 201 is sleeved and connected with a drain hose, after the physiological saline is filled into the knee joint, the physiological saline is required to be filled into the joint to be drained, the physiological saline after being filled is generally drained back through the needle assembly 2 through squeezing the skin of the joint, the physiological saline drained back through the needle can be drained through the auxiliary drain pipe 201 and the drain hose, the drain hose can conduct diversion on the drained physiological saline, the physiological saline is discharged into a designated container to be temporarily stored, and the situation that the physiological saline after being filled is directly squeezed and drained to splash without shielding diversion is avoided, so that a sickbed, a treatment table or the ground is polluted.

When the needle tube plug 101 is in sleeve fit with the needle head assembly 2, the front end of the needle tube plug 101 is in abutting contact with the stress ring 302, and the circular sealing plate 301 is pushed inwards to separate the needle head assembly 2 from the thin short tube, so that a solution in the needle tube 1 is input into the joint cavity through the needle head assembly 2, the trouble that the needle head assembly 2 needs to be additionally manually opened and closed when in injection lavage is omitted, the stress ring 302 can form a space (groove) for discharging physiological saline between the needle tube plug 101 and the circular sealing plate 301 at intervals, the circular sealing plate 301 is prevented from being tightly attached to the front end opening of the needle tube plug 101, injection liquid of the needle tube 1 is blocked, in addition, the needle tube plug 101 can block the auxiliary drain 201 along with the injection needle assembly 2 when in plug fit injection, leakage of the injection liquid from the auxiliary drain 201 is avoided, and the trouble that the auxiliary drain 201 needs to be additionally manually opened and closed when the physiological saline is injected and drained is omitted.

When the needle tube plug 101 is separated from the needle head assembly 2, the circular sealing plate 301 slides through the tail end opening of the auxiliary drain tube 201 and is placed in the head end opening of the thin short tube on the needle tube plug 101, after the needle tube 1 is separated from the needle head assembly 2, the circular sealing plate 301 can be automatically and slidably sealed in the rear end opening of the thin short tube under the pushing of the spring on the sliding shaft 3, so that the normal saline is prevented from being directly splashed out through the tail end opening of the thin short tube when the normal saline is squeezed and drained.

Specific use and action of the embodiment: in the utility model, the physiological saline is injected and irrigated at the knee joint through the needle tube 1 and the needle head assembly 2 which are inserted together, then the needle tube 1 and the needle head assembly 2 are separated, the needle head assembly 2 is left on the skin at the joint, and then the irrigated physiological saline is discharged in a reflux way through the needle head assembly 2 by squeezing the skin at the joint which is propped up by water.

Claims

1. A gout knee cavity lavage assembly comprising: the needle tube (1), the front end of the needle tube (1) is connected with a needle tube spigot (101), and a thickened sealing ring (102) is formed on the part, close to the needle tube (1), of the needle tube spigot (101); a needle head assembly (2) is sleeved and inserted on the needle tube spigot (101), the whole needle head assembly (2) is formed by jointly connecting a front short tube and a rear short tube, wherein the front end of the thick short tube is in a plugging structure, a needle head is arranged in the center of a plugging plate at the front end of the thick short tube, and a thickening ring groove (204) is formed in an opening at the tail end of the thick short tube; when the needle tube inserting nozzle (101) is in sleeve insertion fit with the needle head assembly (2), the sealing ring (102) is in plug insertion fit seal with the thickening ring groove (204); one end of the needle head assembly (2) far away from the needle head is provided with a shifting ring (202), and the shifting ring (202) can assist in carrying out extraction and insertion separation on the needle head assembly (2) and the needle tube (1); a locating sleeve (203) is supported and arranged at the inner center of the thick short tube on the needle tube spigot (101), and a sliding shaft (3) is arranged on the locating sleeve (203) in a penetrating and sliding manner.

2. A gout knee cavity lavage assembly of claim 1 wherein: an auxiliary drain pipe (201) is formed at the bottom of the thin short pipe on the needle tube plug (101), and a drain hose is sleeved and connected at the bottom of the auxiliary drain pipe (201).

3. A gout knee cavity lavage assembly of claim 2 wherein: the sliding shaft is characterized in that a round sealing plate (301) is fixedly arranged at the head end of the sliding shaft (3), six supporting short shafts are arranged on the round sealing plate (301) in a surrounding mode, and a stress ring (302) is fixedly arranged at the head end of each six supporting short shafts.

4. A gout knee cavity lavage assembly of claim 1 wherein: the rod section of the sliding shaft (3) positioned between the circular sealing plate (301) and the positioning sleeve (203) is provided with a spring in a compressed mode, and the circular sealing plate (301) is in sliding fit with the thin short pipe on the needle tube inserting nozzle (101).

5. A gout knee cavity lavage assembly of claim 3 wherein: when the needle tube inserting nozzle (101) is in sleeve insertion fit with the needle head assembly (2), the front end of the needle tube inserting nozzle (101) is in abutting contact with the stress ring (302).

6. A gout knee cavity lavage assembly of claim 3 wherein: when the needle tube plug (101) is separated from the needle head assembly (2), the circular sealing plate (301) slides to pass through the tail end opening of the auxiliary drain pipe (201) and is arranged in the head end opening of the thin short pipe on the needle tube plug (101).