CN215995097U

CN215995097U - Medicine guiding device for tumor radiotherapy and chemotherapy

Info

Publication number: CN215995097U
Application number: CN202121690447.8U
Authority: CN
Inventors: 傅玲
Original assignee: Affiliated Hospital of Weifang Medical University
Current assignee: Affiliated Hospital of Weifang Medical University
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-03-11
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a medicine guide device for tumor radiotherapy and chemotherapy, which comprises a transfusion tube; the infusion tube is of a tubular structure and is fixedly connected with the primary insertion tube, the outer surface of the front end of the primary insertion tube is provided with external threads, and the primary insertion tube is in threaded connection with the medicine guide mechanism; the cover plate is of a circular structure, a connecting hole is formed in the middle of the cover plate, the inner diameter of the connecting hole is the same as the outer diameter of the first-stage insertion pipe, and a groove is formed in the cover plate. According to the utility model, the through holes on the outer end surface of the three-stage cannula are arranged in an inclined structure, so that when the three-stage cannula is inserted into a patient, the situation that the through holes are blocked by muscle and fat of the patient in the puncturing process can be avoided, liquid medicine can permeate into the patient from each through hole, and the diffusion speed of the liquid medicine in the patient is favorably improved.

Description

Medicine guiding device for tumor radiotherapy and chemotherapy

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a medicine guide device for tumor radiotherapy and chemotherapy.

Background

Radiotherapy and chemotherapy are the main methods for treating tumors at present, the drugs for chemotherapy and radiotherapy can also cause damage to normal cells of patients while killing tumor cells, the side effects of radiotherapy and chemotherapy seriously damage the bodies of the patients, and in order to reduce the side effects of radiotherapy and chemotherapy, the drugs are directly delivered to local tumor areas through a drug delivery device, but the abdominal fat of some obese patients is thick, and the length of a common insertion needle is not enough and can not be inserted into the focus of the patients.

Based on the above, the existing medicine guide device has the following problems in the process of infusion: firstly, the body fluid of the patient seeps out of the needle insertion position, so that the infection is easily caused, and the recovery of the wound is not facilitated; second, the length of contact pin is not adjustable, when leading the medicine to the patient that abdominal fat is thick, the focus department can not be inserted to the contact pin, has increased nurse's the nursing degree of difficulty, and third, after the liquid medicine drips from syringe needle department, the diffusion rate of liquid medicine is relatively slow.

Therefore, in view of the above, research and improvement are made for the existing structure and deficiency, and a drug delivery device for tumor radiotherapy and chemotherapy is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a medicine guide device for tumor radiotherapy and chemotherapy, which aims to solve the problems that in the infusion process of the existing medicine guide device, the body fluid of a patient seeps out from a needle insertion position, so that the infection is easily caused, and the recovery of a wound is not facilitated; the length of the insertion needle can not be adjusted, when a patient with thick abdominal fat is guided, the insertion needle can not be inserted into a focus, nursing difficulty of a nurse is increased, and the problem that after liquid medicine drips out from the needle head, the diffusion speed of the liquid medicine is slow is solved.

The utility model relates to a medicine guiding device for tumor radiotherapy and chemotherapy, which has the purpose and the effect and is achieved by the following specific technical means: a medicine guide device for tumor radiotherapy and chemotherapy comprises a transfusion tube;

the infusion tube is of a tubular structure and is fixedly connected with the primary insertion tube, the outer surface of the front end of the primary insertion tube is provided with external threads, and the primary insertion tube is in threaded connection with the medicine guide mechanism;

the apron, the apron is circular structure, and the apron intermediate position is equipped with the connecting hole, and the internal diameter of connecting hole is the same with the external diameter of one-level intubate, and the apron is inside to be equipped with the recess, and the recess is inside to be equipped with the sponge piece, and the outer terminal surface and the limiting plate laminating of sponge piece.

Further, the medicine guide mechanism comprises:

the front end of the second-stage insertion pipe is provided with external threads, the rear end of the second-stage insertion pipe is provided with internal threads, and the second-stage insertion pipe is in threaded connection with the first-stage insertion pipe;

the three-stage intubation rear end is provided with an internal thread, the three-stage intubation is in threaded connection with the two-stage intubation, the front end of the three-stage intubation is provided with a plug, and the plug is of a conical structure.

Furthermore, the outer surface of the three-stage insertion tube is annularly provided with a through hole, the through hole is arranged in an inclined structure, and the included angle between the through hole and the vertical direction is 30 degrees.

Furthermore, four groups of positioning grooves are annularly arranged on the inner end surface of the cover plate, compression springs are installed in the positioning grooves, the front ends of the compression springs are fixedly connected with the limiting plate, and the front end of the limiting plate is of an arc-shaped structure.

Furthermore, the upper end face of the cover plate is symmetrically provided with two groups of threaded holes, the threaded holes are internally and threadedly connected with adjusting screws, and the lower ends of the adjusting screws are attached to the sponge blocks.

Furthermore, two groups of adhesive tapes are symmetrically arranged at the left end and the right end of the cover plate.

Further, arc-shaped strips are uniformly arranged on the inner surface of the connecting hole.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement that the two ends of the secondary intubation are respectively in threaded connection with the primary intubation and the tertiary intubation, the length of the medicine guide mechanism can be prolonged by increasing the number of the secondary intubation, so that a patient can adjust the total length of the medicine guide mechanism according to the position of a tumor in the patient.

Still through the setting of the through hole of tertiary intubate outer terminal surface for slope structure for when tertiary intubate inserted the patient internal, can avoid puncture in-process patient's muscle and fat to block up the through hole, the liquid medicine can be followed each through hole and permeated the patient internal, is favorable to improving the diffusion rate of liquid medicine in the patient internal.

The arrangement of the sponge block in the cover plate enables body fluid exuded from the wound to be absorbed by the sponge block, so that the wound is dry and tidy, cross infection can be prevented, and the quick recovery of the wound is facilitated.

Through the setting of the inside compression spring of constant head tank for the limiting plate is under the effect of compression spring elasticity, and limiting plate and sponge piece closely laminate, have played the fixed limiting displacement to the sponge piece, prevent that the sponge piece from dropping out from the apron, through the setting of two adjusting screw of apron up end, make after rotating adjusting screw, adjusting screw downstream can push out the inside sponge piece of apron, and the nurse of being convenient for is to the clearance of sponge piece.

Drawings

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

Fig. 2 is a schematic diagram of the overall device structure of the present invention.

Fig. 3 is a schematic sectional structure view of the cover plate of the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.

FIG. 5 is a schematic cross-sectional view of a three stage cannula of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a transfusion tube; 2. a first-stage intubation; 3. a second-stage intubation; 4. a third-stage intubation; 401. a plug; 402. a through hole; 5. a cover plate; 501. positioning a groove; 502. a threaded hole; 503. connecting holes; 5031. an arc-shaped strip; 6. a compression spring; 7. a limiting plate; 8. adjusting the screw rod; 9. a sponge block; 10. and (6) sticking a tape.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a medicine guide device for tumor radiotherapy and chemotherapy, which comprises a transfusion tube 1;

the infusion tube 1 is of a tubular structure, the infusion tube 1 is fixedly connected with the primary insertion tube 2, the outer surface of the front end of the primary insertion tube 2 is provided with external threads, and the primary insertion tube 2 is in threaded connection with the medicine guide mechanism;

apron 5, apron 5 are circular structure, and 5 intermediate positions of apron are equipped with connecting hole 503, and the internal diameter of connecting hole 503 is the same with the external diameter of one-

level intubate

2, and 5 inside recesses that are equipped with of apron, the inside sponge piece 9 that is equipped with of recess, the outer terminal surface and the limiting plate 7 laminating of sponge piece 9.

Through adopting above-mentioned technical scheme for when infusing the patient, the place of contact pin has patient's body fluid to flow, through 5 inside sponge pieces 9's of apron setting, makes the body fluid that the wound exudes can be absorbed by sponge pieces 9, has guaranteed that the drying of wound is clean and tidy, both can prevent cross infection, also is favorable to the quick recovery of wound.

The medicine guide mechanism comprises a secondary insertion tube 3, the front end of the secondary insertion tube 3 is provided with external threads, the rear end of the secondary insertion tube 3 is provided with internal threads, and the secondary insertion tube 3 is in threaded connection with a primary insertion tube 2;

tertiary intubate

4, 4 rear ends of tertiary intubate are equipped with the internal thread, and 3 threaded connection of tertiary intubate 4 and second grade intubate, 4 front ends of tertiary intubate are equipped with plug 401, plug 401 is the toper structure, in using, when the fat patient of contrast carries out the medicine injection, because the abdominal fat of patient is thicker, patient's tumour department can not be inserted to general transfusion needle, 3 both ends of through second grade intubate respectively with 4 threaded connection's of one-level intubate setting 2 and tertiary intubate, can prolong the length of leading medicine mechanism through the quantity that increases second grade intubate 3, make the patient can adjust the length of leading medicine mechanism according to the position of own internal tumour, the commonality of this device has been increased.

Wherein, the outer surface annular of tertiary intubate 4 is equipped with through hole 402, through hole 402 is the slope structure setting, and through hole 402 is 30 with the contained angle of vertical direction, in using, through hole 402 is the setting of slope structure, when making tertiary intubate 4 insert the patient internal, can avoid puncture in-process patient's muscle and fat to block up through hole 402, and the outer surface annular of tertiary intubate 4 is equipped with through hole 402 and makes the liquid medicine can permeate the patient internal from through hole 402, be favorable to improving the diffusion velocity of liquid medicine in the patient internal.

Wherein, the interior terminal surface annular of apron 5 is equipped with four groups of constant head tanks 501, compression spring 6 is installed to

constant head tank

501, 6 front ends of compression spring and 7 fixed connection of limiting plate, 7 front ends of limiting plate are the arc structure, in using, through the inside compression spring 6's of constant head tank 501 setting for limiting plate 7 is under the effect of the 6 elastic forces of compression spring, and limiting plate 7 and sponge piece 9 closely laminate have played the fixed limiting displacement to sponge piece 9, prevent that sponge piece 9 from dropping out from apron 5.

Wherein, 5 up end symmetry of apron is equipped with two sets of screw holes 502, and threaded hole 502 internal thread connects has adjusting

screw

8, and 8 lower extremes of adjusting screw and the laminating of sponge piece 9, in the use, after the patient infusion, through the setting of two adjusting screw 8 of 5 up ends of apron for after rotating adjusting screw 8, adjusting screw 8 downstream can push out 5 inside sponge pieces 9 of apron, the nurse of being convenient for is to the clearance of sponge piece 9.

Two groups of adhesive tapes 10 are symmetrically arranged at the left end and the right end of the cover plate 5, the arc-shaped strips 5031 are uniformly arranged on the inner surfaces of the connecting holes 503, so that the cover plate 5 can be fixed on the abdomen of a patient through the arrangement of the adhesive tapes 10 in use, and friction force between the primary insertion tube 2 and the cover plate 5 can be realized through the arrangement of the arc-shaped strips 5031, so that the stability of the cover plate 5 is improved, and the phenomenon that the cover plate 5 slides left and right is prevented.

The specific use mode and function of the embodiment are as follows:

in the utility model, when a fat patient is injected with medicine, because the fat of the abdomen of the patient is thicker, a common transfusion needle can not be inserted into the tumor of the patient, the length of the medicine guide mechanism can be prolonged by increasing the number of the second-stage insertion tubes 3 through the arrangement that the two ends of the second-stage insertion tubes 3 are respectively in threaded connection with the first-stage insertion tube 2 and the third-stage insertion tube 4, so that the patient can adjust the length of the medicine guide mechanism according to the position of the tumor in the patient, and the through holes 402 on the outer end surface of the third-stage insertion tube 4 are arranged in an inclined structure, so that when the third-stage insertion tube 4 is inserted into the patient, the blockage of the through holes 402 by the muscle and fat of the patient during the puncture process can be avoided, the medicine liquid can permeate into the patient from the through holes 402, the diffusion speed of the medicine liquid in the patient can be improved, and the body fluid of the patient can flow out from the insertion needle position when the patient is transfused for transfusion, through 5 inside sponge pieces 9's of apron setting, make the body fluid that the wound exudes can be absorbed by sponge pieces 9, the drying of wound has been guaranteed neatly, both can prevent cross infection, also be favorable to the quick recovery of wound, through the setting of the inside compression spring 6 of constant head tank 501, make limiting plate 7 under the effect of compression spring 6 elasticity, limiting plate 7 and the closely laminating of sponge pieces 9, fixed limiting displacement to sponge pieces 9 has been played, prevent that sponge pieces 9 from dropping out from apron 5, through the setting of two adjusting screw 8 of 5 up ends of apron, make after rotating adjusting screw 8, 8 downstream of adjusting screw, can push out 5 inside sponge pieces 9 of apron, the nurse of being convenient for is to sponge pieces 9's clearance.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A medicine guide device for tumor radiotherapy and chemotherapy is characterized in that: comprises an infusion tube (1);

the infusion tube (1) is of a tubular structure, the infusion tube (1) is fixedly connected with the primary insertion tube (2), the outer surface of the front end of the primary insertion tube (2) is provided with external threads, and the primary insertion tube (2) is in threaded connection with the medicine guide mechanism;

apron (5), apron (5) are circular structure, and apron (5) intermediate position is equipped with connecting hole (503), and the internal diameter of connecting hole (503) is the same with the external diameter of one-level intubate (2), and apron (5) inside is equipped with the recess.

2. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 1, wherein: the medicine guide mechanism comprises:

second grade intubate (3), second grade intubate (3) front end is equipped with the external screw thread, and second grade intubate (3) rear end is equipped with the internal thread, and second grade intubate (3) and one-level intubate (2) threaded connection.

3. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 2, wherein: the medicine guide mechanism further comprises:

tertiary intubate (4), tertiary intubate (4) rear end is equipped with the internal thread, and tertiary intubate (4) and second grade intubate (3) threaded connection, and tertiary intubate (4) front end is equipped with plug (401), and plug (401) are the toper structure.

4. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 3, wherein: the outer surface of the three-stage insertion pipe (4) is annularly provided with a through hole (402), the through hole (402) is arranged in an inclined structure, and an included angle between the through hole (402) and the vertical direction is 30 degrees.

5. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 1, wherein: the inner end face of the cover plate (5) is annularly provided with four groups of positioning grooves (501), compression springs (6) are installed in the positioning grooves (501), the front ends of the compression springs (6) are fixedly connected with limiting plates (7), and the front ends of the limiting plates (7) are of arc-shaped structures.

6. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 1, wherein: the inner portion of the groove of the cover plate (5) is provided with a sponge block (9), and the outer end face of the sponge block (9) is attached to the limiting plate (7).

7. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 1, wherein: the upper end face of the cover plate (5) is symmetrically provided with two groups of threaded holes (502), the threaded holes (502) are internally and threadedly connected with adjusting screws (8), and the lower ends of the adjusting screws (8) are attached to the sponge blocks (9).

8. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 1, wherein: two groups of adhesive tapes (10) are symmetrically arranged at the left end and the right end of the cover plate (5).

9. The drug delivery device for tumor radiotherapy and chemotherapy according to claim 1, wherein: arc-shaped strips (5031) are uniformly arranged on the inner surface of the connecting hole (503).