Search

CN-121987870-A - Oral cavity catheter with functions of expanding and negative pressure suction and preparation process

CN121987870ACN 121987870 ACN121987870 ACN 121987870ACN-121987870-A

Abstract

The invention relates to the technical field of medical equipment, and discloses an oral cavity catheter with functions of expanding and negative pressure suction and a preparation process, wherein the oral cavity catheter comprises an occlusion block, a negative pressure box, a protective blade assembly, a cheek protecting part, a water outlet pipe, an atomization nozzle and a water inlet assembly; the detachable bite plate is arranged in the connecting groove, an elastic sheet is fixedly connected to the outer side of the detachable bite plate, the outer side of the elastic sheet is abutted to the outer side of the bite block, one end of the bite block is fixedly connected with the negative pressure box, a negative pressure suction head assembly is embedded into the inner side of the negative pressure box, and one end of the bite block, which is opposite to the negative pressure box, is fixedly connected with the protective leaf assembly. The oral cavity catheter with the functions of expanding and negative pressure suction and the preparation process have the advantages that the position of the bite plate body can be adjusted to meet the oral cavity sizes of different patients, physiological saline can be injected into the oral cavity at regular intervals, and oral mucosa drying of the patients is avoided.

Inventors

  • LIN JIANPING

Assignees

  • 上际医疗科技(浙江)有限公司

Dates

Publication Date
20260508
Application Date
20260316

Claims (9)

  1. 1. An oral cavity catheter with functions of expanding and negative pressure suction is characterized by comprising an occluding block (1), a negative pressure box (4), a protective blade assembly (8), a cheek protecting part (9), a water outlet pipe (10), an atomizing nozzle (11) and a water inlet assembly (12); A plurality of connecting grooves (2) are formed in the outer side of the engagement block (1), a detachable engagement plate (3) is arranged in the connecting grooves (2), an elastic sheet (7) is fixedly connected to the outer side of the detachable engagement plate (3), and the outer side of the elastic sheet (7) is abutted to the outer side of the engagement block (1); one end of the engagement block (1) is fixedly connected with the negative pressure box (4), and a negative pressure suction head assembly (5) is embedded in the inner side of the negative pressure box (4); one end, opposite to the negative pressure box (4), of the occlusion block (1) is fixedly connected with the protective blade assembly (8), and one end, far away from the occlusion block (1), of the protective blade assembly (8) is fixedly connected with the cheek protection part (9); A water outlet pipe (10) communicated with the occlusion block (1) is fixedly arranged on the inner side of the protective blade assembly (8), and an atomization nozzle (11) extending to the outer side of the protective blade assembly (8) is communicated with the outer side of the water outlet pipe (10); The top end of the negative pressure box (4) is fixedly connected with a water inlet component (12) communicated with the water outlet pipe (10).
  2. 2. The oral catheter with the functions of expanding and negative pressure suction as claimed in claim 1, wherein a plurality of soft cushion strips (6) are fixedly arranged on the outer side of the occlusion block (1) and the outer side of the detachable occlusion plate (3), a saliva suction pipe (13) is communicated with the outer side of the occlusion block (1), and a saliva suction hole (14) communicated with the negative pressure suction head assembly (5) is fixedly arranged on the outer side of the occlusion block (1).
  3. 3. The oral catheter with the functions of expanding and negative pressure suction as set forth in claim 2, wherein the detachable occluding plate (3) comprises a connecting block (31) and an occluding plate body (32), the connecting block (31) is in sliding fit with the inner side of the connecting groove (2), the outer side of the occluding plate body (32) is fixedly connected with the connecting block (31), the number of the two connecting blocks (31) is two, the two connecting blocks (31) are symmetrically distributed on the outer side of the occluding plate body (32), and sealing gaskets which are abutted against the inner side of the connecting groove (2) are fixedly arranged on the outer side of the connecting block (31).
  4. 4. The oral cavity catheter with the functions of expanding and negative pressure suction as set forth in claim 1, wherein the negative pressure suction head assembly (5) comprises an embedding shell (51), an embedding protrusion (52) and a negative pressure suction tube (53), the embedding shell (51) is embedded in the negative pressure box (4), the embedding protrusion (52) is fixedly connected to the bottom end of the embedding shell (51) and extends to the lower portion of the negative pressure box (4), and the negative pressure suction tube (53) is fixedly connected to the embedding shell (51) and is communicated with the protective leaf assembly (8).
  5. 5. The oral catheter with both the functions of opening and negative pressure suction as claimed in claim 1, wherein the shielding blade assembly (8) comprises a connecting plate (81), a first shielding blade (82), a second shielding blade (83) and water absorbing holes (84), the connecting plate (81) is fixedly connected to the outer side of the occlusion block (1), the first shielding blade (82) and the second shielding blade (83) are fixedly connected to the outer side of the connecting plate (81), a diversion cavity is formed between the first shielding blade (82) and the second shielding blade (83), and a plurality of water absorbing holes (84) are formed in the outer sides of the first shielding blade (82) and the second shielding blade (83).
  6. 6. The oral cavity catheter with the functions of expanding and negative pressure suction as set forth in claim 1, wherein the water inlet assembly (12) comprises a water inlet guide block (121), a water inlet tank (122) and a water inlet head (123), the water inlet guide block (121) is fixedly connected to the inner side of the negative pressure tank (4), the water inlet tank (122) is fixedly connected to the top end of the negative pressure tank (4) and is communicated with the inner side of the water inlet guide block (121) through a through hole, and the water inlet head (123) is fixedly connected to the outer side of the water inlet tank (122).
  7. 7. The oral cavity catheter with the functions of expanding and negative pressure suction as set forth in claim 6, wherein the outer side of the water inlet guide block (121) is communicated with one end of the water outlet pipe (10), the number of the through holes is multiple and is uniformly distributed at the top end of the negative pressure box (4), and the water inlet direction of the water inlet head (123) is the same as the negative pressure suction direction of the negative pressure suction head assembly (5).
  8. 8. The process for preparing the oral cavity catheter with the functions of expanding and negative pressure suction according to any one of claims 1 to 7, which is characterized by comprising the following steps: S1, respectively injection molding the occluding block (1), the detachable occluding plate (3), the negative pressure box (4), the protective leaf component (8) and the cheek protecting part (9) by adopting medical polymer materials; S2, processing a connecting groove (2) on the outer side of the occluding block (1), fixing an elastic sheet (7) on the outer side of the detachable occluding plate (3), and assembling the detachable occluding plate (3) into the connecting groove (2); s3, respectively adhering and fixing the soft cushion strips (6) on the outsides of the occluding block (1) and the detachable occluding plate (3); S4, embedding and assembling the negative pressure suction head assembly (5) into the negative pressure box (4), and fixedly connecting the negative pressure box (4) with the occlusion block (1); S5, fixing the water outlet pipe (10) on the inner side of the protective blade assembly (8), and assembling the atomizing nozzle (11) and the water outlet pipe (10) in a communicating way; S6, fixedly connecting the protective blade assembly (8) with the occlusion block (1), and fixedly forming the cheek protection part (9) and the protective blade assembly (8); And S7, fixing the water inlet assembly (12) at the top end of the negative pressure box (4), and enabling the water inlet assembly (12) to be communicated with the water outlet pipe (10) in a sealing way.
  9. 9. The process for preparing the oral cavity catheter with the functions of opening and negative pressure suction as claimed in claim 8, wherein the negative pressure box (4) and the negative pressure suction head assembly (5) are assembled in a sealing way, negative pressure tightness detection is carried out, and the water inlet assembly (12) is communicated with the water outlet pipe (10) and is subjected to water passing test.

Description

Oral cavity catheter with functions of expanding and negative pressure suction and preparation process Technical Field The invention relates to the technical field of medical appliances, in particular to an oral cavity catheter with functions of expanding and negative pressure suction and a preparation process thereof. Background The oral cavity catheter is widely applied to oral cavity clinical diagnosis and treatment, is mainly used for realizing functions of opening an oral cavity, sucking secretion and blood under negative pressure, maintaining the operation field clear, guaranteeing ventilation of a patient and the like in the oral cavity operation, dental treatment and airway management processes, is generally integrated by a dental bracket opening assembly and a negative pressure suction pipeline, continuously supports the upper jaw and the lower jaw through a dental bracket to keep an opening state, and simultaneously sucks liquid and fragments generated in an operation area by utilizing the suction pipeline, so that the oral cavity catheter is one of key equipment for improving the operation efficiency and safety of oral cavity diagnosis and treatment. However, in clinical application, the existing oral cavity catheter with the functions of opening and negative pressure suction is used for forcing the oral cavity to continuously open the mouth, damaging the natural closed environment, and the negative pressure suction is used for continuously taking away water and saliva in the oral cavity, so that the oral cavity mucous membrane is easy to dry, saliva secretion is disturbed, mucous membrane damage and postoperative dysphagia can be possibly caused after long-term use, meanwhile, the dental tray and the catheter structure of the existing product are of fixed specifications, the oral cavity size, dentition form and operation position requirements of different patients are difficult to adapt, the operation complexity of preoperative adaptation and intraoperative adjustment is increased, and risks such as loosening of teeth, temporomandibular joint fatigue and the like possibly caused by improper support are possibly influenced, so that the oral cavity catheter with the functions of opening and negative pressure suction is provided, and the preparation process thereof are used for solving the problems. Disclosure of Invention (One) solving the technical problems Aiming at the defects of the prior art, the invention provides the oral catheter with the functions of opening and negative pressure suction and the preparation process, which have the advantages that the position of the bite plate body can be adjusted to meet the oral sizes of different patients, physiological saline can be injected into the oral cavity at regular intervals, the dryness of the oral mucosa of the patients is avoided, and the like, so that the problems that the prior oral catheter with the functions of opening and negative pressure suction can damage the natural closed environment, and the negative pressure suction continuously takes away moisture and saliva in the oral cavity, is easy to cause dryness of the oral mucosa and secretion disorder of saliva, can possibly cause damage of the mucous membrane and dysphagia after operation after long-term use, and simultaneously, the dental tray and the catheter structure of the prior product are in fixed specifications, are difficult to adapt to the oral sizes, dentiform and operation position requirements of different patients, not only increase the operation complexity of adjustment before operation and during operation, but also can cause the risks of loosening teeth, tired temporomandibular joint and the like due to improper support, and influence the diagnosis and treatment experience. (II) technical scheme The oral cavity catheter with the functions of expanding and negative pressure suction comprises an occluding block, a negative pressure box, a protective blade assembly, a cheek protecting part, a water outlet pipe, an atomizing nozzle and a water inlet assembly; The outer side of the occluding block is provided with a plurality of connecting grooves, a detachable occluding plate is arranged in the connecting grooves, the outer side of the detachable occluding plate is fixedly connected with an elastic sheet, and the outer side of the elastic sheet is abutted against the outer side of the occluding block; one end of the engagement block is fixedly connected with the negative pressure box, and a negative pressure suction head assembly is embedded in the inner side of the negative pressure box; The end, away from the occlusion block, of the protection blade assembly is fixedly connected with the cheek protection part; the inner side of the protective blade assembly is fixedly provided with a water outlet pipe communicated with the engagement block, and the outer side of the water outlet pipe is communicated with an atomization nozzle extending to the outer side of the protectiv