CN208552888U - It is a kind of for treating the applicating device and its fixed structure of nasopharyngeal carcinoma - Google Patents

Abstract

The utility model discloses a kind of for treating the applicating device and its fixed structure of nasopharyngeal carcinoma, is related to field of medical device technology.The applicating device includes supply radiator duct and applicating device body, one end of the supply radiator duct stretches to the affected area of nasopharyngeal carcinoma, and bending section is formed at the end, the applicating device body is fixedly connected on the other end of the applicating device, the applicating device body has instruction adjustment portion, the direction of the instruction adjustment portion is consistent with the bending direction of the bending section, and the instruction adjustment portion is used to indicate and adjusts the orientation of the supply radiator duct.The utility model can know the orientation of bending section outside nostril by the direction of observation instruction adjustment portion, be then adjusted by adjusting instruction adjustment portion to supply radiator duct, realize the purpose that can adjust supply radiator duct orientation outside the patient's body.

Description

It is a kind of for treating the applicating device and its fixed structure of nasopharyngeal carcinoma

Technical field

The utility model relates to field of medical device technology, and in particular to a kind of applicating device for treating nasopharyngeal carcinoma and its Fixed structure.

Background technique

Short distance afterloading radiotherapy is the most important therapeutic modality of nasopharyngeal carcinoma residual, and major advantage is that curative effect is true It cuts, few side effects.Before intensity modulated radiation therapy appearance, clinical application is very extensive.After intensity modulated radiation therapy occurs, the office of nasopharyngeal carcinoma is controlled Rate increases compared with the two and three dimensions epoch, and the application filled after short distance gradually decreases.But for the nasopharynx for remaining and recurring Local lesion, it is still significant.

The major side effects of nasopharyngeal carcinoma short distance afterloading radiotherapy are nasopharynx necrosis and soft palate perforation etc., the former needs strictly to control Indication processed and Radiotherapy dosimetry, incidence is substantially reduced even disappearance to the latter in recent years, these benefit from radioactive source and apply The improvement of source device.

The applicating device that traditional nasopharyngeal carcinoma after-loading therapy uses is made of applicating device body, supply radiator duct, one section of supply radiator duct for model, Air bag etc., applicating device in the prior art have tubulose applicating device, model applicating device and air-bag source-applying device etc..Above-mentioned three kinds of applicating devices In supply radiator duct all be it is simple, mechanical connect with radioactive source, after supply radiator duct is inserted into patient nostril, can not judge Orientation where it, and then supply radiator duct can not be adjusted in the intranarial orientation of patient.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of for treating the applicating device and its fixed knot of nasopharyngeal carcinoma Structure, to solve the problems, such as that applicating device in the prior art can not adjust orientation.

For this purpose, according in a first aspect, being provided in a kind of embodiment a kind of for treating the applicating device of nasopharyngeal carcinoma, comprising:

Supply radiator duct, the affected area of nasopharyngeal carcinoma is protruded into one end of the supply radiator duct, and forms bending section at the end；

Applicating device body, the applicating device body are fixedly connected on the other end of the applicating device, and the applicating device body, which has, to be referred to Show adjustment portion, the direction of the instruction adjustment portion is consistent with the bending direction of the bending section, and the instruction adjustment portion is for referring to Show and adjust the orientation of the supply radiator duct.

As the further optinal plan of the applicating device, the instruction adjustment portion include fixed part and be set to the fixation Instruction unit in portion, the fixed part are fixedly connected with the supply radiator duct, and the direction of the instruction unit is curved with the bending section Qu Fangxiang is consistent.

As the further optinal plan of the applicating device, the fixed part and the instruction unit are integrally formed.

As the further optinal plan of the applicating device, the instruction unit is by the fixed part from its surface along described curved The bending direction of pars convoluta extends.

As the further optinal plan of the applicating device, a through-hole, one end of the through-hole are equipped in the fixed part The supply radiator duct is connected, the other end connects radioactive source.

As the further optinal plan of the applicating device, the supply radiator duct is made of photocurable resin material.

As the further optinal plan of the applicating device, the supply radiator duct is formed using 3 D-printing.

According to second aspect, a kind of fixed structure is provided in a kind of embodiment, comprising:

First fixing piece, first fixing piece are fixedly connected on applicating device body, and first fixing piece is used for institute Applicating device is stated to be pre-fixed；

Second fixing piece, second fixing piece are fixedly connected on first fixing piece, and second fixing piece is used In to the secondary fixation of applicating device progress.

As the further optinal plan of the fixed structure, first fixing piece is plastic colloidal cloth.

As the further optinal plan of the fixed structure, second fixing piece is thermoplastic mask.

The utility model has the beneficial effects that

According to the applicating device in above-described embodiment, since applicating device body is fixedly connected with supply radiator duct, and on applicating device body With instruction adjustment portion, indicates that the direction of adjustment portion is consistent with the bending direction of the bending section on supply radiator duct, applied in this way, to work as After the bending section of source capsule is inserted into the nostril of patient, bending can be known by the direction of observation instruction adjustment portion outside nostril The orientation in portion is then adjusted supply radiator duct by adjusting instruction adjustment portion, and realizing can be adjusted outside the patient's body The purpose in supply radiator duct orientation.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 shows the structural schematic diagram of the applicating device according to provided by the embodiment of the present application；

Fig. 2 shows the structural schematic diagrams of the supply radiator duct of the applicating device according to provided by the embodiment of the present application；

Fig. 3 shows the end view drawing of the applicating device body of the applicating device according to provided by the embodiment of the present application；

Fig. 4 shows the end view drawing of another supply radiator duct of the applicating device according to provided by the embodiment of the present application；

Fig. 5 shows the end view drawing of another supply radiator duct of the applicating device according to provided by the embodiment of the present application.

Main element symbol description:

100- supply radiator duct；200- applicating device body；300- demarcation plate；The bending section 110-；The sub- cavity of 120-；210- instruction is adjusted Portion；211- fixed part；212- instruction unit；2111- through-hole.

Specific embodiment

Hereinafter, the various embodiments of the disclosure will be described more fully in conjunction with attached drawing.The disclosure can have various realities Example is applied, and can adjust and change wherein.Therefore, it will be retouched in more detail referring to the specific embodiment being shown in the accompanying drawings State the disclosure.It should be understood, however, that: there is no the meanings that the various embodiments by the disclosure are limited to specific embodiment disclosed herein Figure, but the disclosure should be interpreted as covering all adjustment in the spirit and scope for the various embodiments for falling into the disclosure, etc. Jljl and/or optinal plan.Description taken together with the accompanying drawings, the same element of same reference numerals.

Hereinafter, can the term " includes " used in the various embodiments of the disclosure or " may include " instruction disclosed in Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing Used in the various embodiments of the disclosure, term " includes ", " having " and its cognate are meant only to indicate special characteristic, number Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other Feature, number, step, operation, element, component or aforementioned item combined presence or increase one or more features, number, Step, operation, element, component or aforementioned item combination a possibility that.

In the various embodiments of the disclosure, states "or" or " at least one of A or/and B " includes listing file names with Any combination of text or all combinations.For example, statement " A or B " or " at least one of A or/and B " may include A, may include B may include A and B both.

The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations Various constituent element in example, but respective sets can not be limited into element.For example, the above statement is not intended to limit the suitable of the element Sequence and/or importance.The above statement is only used for the purpose for differentiating an element and other elements.For example, the first user fills It sets and indicates different user device with second user device, although the two is all user apparatus.For example, not departing from each of the disclosure In the case where the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first Element.

It should also be noted that if a constituent element ' attach ' to another constituent element by description, it can be by the first composition member Part is directly connected to the second constituent element, and " connection " third can form between the first constituent element and the second constituent element Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element And second third constituent element is not present between constituent element.

The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates In the various embodiments of the limitation disclosure.As used herein, singular is intended to also include plural form, unless context is clear Chu it is indicated otherwise.Unless otherwise defined, otherwise all terms (including technical terms and scientific terms) used herein have There is meaning identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure.The term (term such as limited in the dictionary generally used) is to be interpreted as having and situational meaning in the related technical field Identical meaning and it will be interpreted as having Utopian meaning or meaning too formal, unless in the various of the disclosure It is clearly defined in embodiment.

With reference to the accompanying drawing, it elaborates to the specific embodiment of the application.

Embodiment

Present embodiments provide it is a kind of for treating the applicating device of nasopharyngeal carcinoma, referring to FIG. 1, the applicating device includes supply radiator duct 100 and applicating device body 200.

Wherein, please also refer to Fig. 2, one end of supply radiator duct 100 stretches to the affected area of nasopharyngeal carcinoma, and is formed at the end curved Pars convoluta 110.Applicating device body 200 is fixedly connected on the other end of applicating device 100, and applicating device body 200 has instruction adjustment portion 210, Indicate that the direction of adjustment portion 210 is consistent with the bending direction of bending section 110, instruction adjustment portion 210 is used to indicate and adjusts the source of applying The orientation of pipe 100.

It is fixedly connected as a result, due to applicating device body 200 with supply radiator duct 100, and on applicating device body 200 there is instruction to adjust The direction in portion 210, instruction adjustment portion 210 is consistent with the bending direction of bending section 110 on supply radiator duct 100, applies in this way, to work as After the bending section 110 of source capsule 100 is inserted into the nostril of patient, the direction of observation instruction adjustment portion 210 can be passed through outside nostril And know the orientation of bending section 110, and then the orientation of supply radiator duct 100 is adjusted by adjusting instruction adjustment portion 210, it is real The purpose that can adjust 100 orientation of supply radiator duct outside the patient's body is showed.

In the utility model embodiment, the formation of bending section 110 has conducive to supply radiator duct 100 close to lesion.

In the utility model embodiment, instruction adjustment portion 210 is including fixed part 211 and on fixed part 211 Instruction unit 212, fixed part 211 are fixedly connected with supply radiator duct 100, the direction and the bending direction one of bending section 110 of instruction unit 212 It causes, to play the role of indicating 100 orientation of supply radiator duct.

In this way, supply radiator duct 100 is just fixedly connected on applicating device body 200 by fixed part 211, at this time since setting exists The direction of instruction unit 212 on fixed part 211 is consistent with the bending direction of bending section 110 of supply radiator duct 100, at this point, passing through sight It examines and adjusts the adjusting for indicating that the instruction unit 212 of adjustment portion 210 can be realized to 100 orientation of supply radiator duct.

In some embodiments, instruction adjustment portion 210 can be an independent component, i.e. fixed part 211 and instruction Portion 212 be integrally formed, for example, instruction unit 212 can by fixed part 211 from its surface along bending section 110 bending direction extend and At.210 one side of instruction adjustment portion of this kind of structure type can reduce the process flow of its manufacture, on the other hand can also be Its manufacturing cost is reduced to a certain extent.At this point, the instruction adjustment portion 210 passes through integrally casting.

In other embodiments, fixed part 211 can also be the seperated knot individually processed with instruction unit 212 Fixed part 211 and instruction unit 212 after processing is completed, then by subsequent technique are fixed together by structure, separate structure.Such as Subsequent technique includes but is not limited to: welding, binder, rivet or pin etc..In the instruction adjustment portion 210 of such structure type In, since fixed part 211 and instruction unit 212 are parts processings, can be very good to the big of entire instruction adjustment portion 210 Small and shape is replaced, and the usage scenario of extension instruction adjustment portion 210 is conducive to, and the use for complying with various patients is wanted It asks.

Further it will be understood that in order to guarantee supply radiator duct 100 and the reliable and stable connection of applicating device body 200, with Shi Yuan The fixed part 211 that pipe 100 is directly connected to preferably is made of hard material, such as metal material etc..In order to guarantee to adjust instruction Comfort when adjustment portion 210, the instruction unit 212 connecting with fixed part 211 are preferably made of soft material, such as rubber etc.. Certainly, except as described, as long as can guarantee to indicate that adjustment portion 210 will not be deformed with the lengthening for using the time, appoint What material can be made into instruction adjustment portion.

Further, it should be noted that instruction adjustment portion 210 can be avoided using cohesive material as far as possible or is easily magnetized Material, so, it is ensured that the clean of 210 surface of adjustment portion is indicated, so that being unlikely to refer to when treating patient Show some sundries such as the other dust of the adsorption of adjustment portion 210, and be inhaled by a patient nostril, influences therapeutic effect.

Referring to FIG. 3, being additionally provided with a through-hole 2111 in fixed part 211, one end of the through-hole 2111 connects supply radiator duct 100, the other end connects radioactive source.

In this way, radioactive source smoothly can enter Shi Yuan by above-mentioned through-hole 2111 when treating to patient Within pipe 100, patient nostril is then entered by supply radiator duct 100 again.

In order to guarantee tight type that radioactive source is connect with through-hole 2111, preventing some sundries such as dust by radioactive source and apply The junction of source capsule 100 and enter in patient nostril, sealing ring etc. can be set in the junction.

It is appreciated that the position of lesion and its shape be it is indefinite, along with the difference of nasal cavity internal via shape, supply radiator duct 100 shape is difficult to conformal with nasopharyngeal wall.And in order to improve comfort of the patient when receiving treatment, reach supply radiator duct 100 requirements conformal with nasopharyngeal wall are necessary again.Based on this, in the utility model embodiment, supply radiator duct 100 uses light Curing resin material is made.

Since supply radiator duct 100 is made of photocurable resin material, so that supply radiator duct 100 deforms after heated, the heat Source relies primarily on the body temperature of human body.Under the action of body temperature, so that it may suitably be changed supply radiator duct 100 according to patient's own situation At required shape.

So far, after supply radiator duct 100 to be inserted into the nostril of patient, before starting treatment, instruction can be first passed through and adjusted The azimuth information for the supply radiator duct 100 that portion 210 is reflected is adjusted supply radiator duct 100 by adjusting instruction adjustment portion 210, Until it is close to lesions position.In above process, the body temperature of human body is to using supply radiator duct 100 made of photocurable resin material Certain influence is formd, so that supply radiator duct 100 can make in real time self adjustment according to the shape of nasopharyngeal wall, until reaching Supply radiator duct 100 and the conformal requirement of nasopharyngeal wall improve comfort of the patient in treatment.

In order to improve the simplicity of the manufacture of supply radiator duct 100, supply radiator duct can be used 3 D-printing and form.

In addition to the above, supply radiator duct 100 can also be equipped with certain other than receiving radioactive source and treating to lesion Drug treated.

Please refer to Fig. 4 or 5, supply radiator duct 100 inner cavity and along the settable demarcation plate 300 of the axial direction of supply radiator duct 100, should Demarcation plate 300 by the inside division of supply radiator duct 100 at two from first to last extend and mutually independent sub- cavity 120.The sub- chamber One in body 120 is the sub- cavity of radioactive source, can receive radioactive source, another is the sub- cavity of drug, can be used for receiving Drug.

In this way, making supply radiator duct outside being treated using radioactive source, drug can also be aided with and treated, improve and apply The therapeutic effect of source capsule.

Further, position of the demarcation plate 300 in 100 inner cavity of supply radiator duct can be adjusted according to actual needs. For example, when needing the radioactive source of more amount, so that it may which the center line deviation by demarcation plate 300 along above-mentioned inner cavity is used to receive medicine The sub- cavity 120 of object.The sub- cavity of radioactive source is allowed in this way greater than the sub- cavity of drug, to meet Treatment need.

Further say, in order to reasonably determine the size of sub- cavity 120, can also shape to demarcation plate 300 into Row changes.For example, referring to FIG. 4, demarcation plate 300 can be arranged to tabular or arc-shaped.When using tabular, it can adopt It is being partial to the demarcation plate 300 setting to adjust sub- cavity at the sub- cavity of drug or the sub- cavity of radioactive source in aforementioned manners 120 size.Referring to FIG. 5, can be adjusted when using arc-shaped by adjusting the direction that the arc-shaped demarcation plate circular arc is open The size of whole sub- cavity 120, it will be understood that the sub- cavity 120 of opening institute's direction is the biggish sub- cavity of volume, and opening institute is backwards Sub- cavity 120 then be small volume sub- cavity.

The present embodiment additionally provides a kind of fixed structure for fixed hereinbefore applicating device simultaneously, which includes First fixing piece and the second fixing piece.

For pre-fixing to applicating device, the second fixing piece is used to carry out secondary fixation to applicating device first fixing piece.

In this way, the applicating device by dual fixation stable can be maintained in patient nostril with suitable position, prevent with Applicating device caused by the passage for the treatment of time there is a phenomenon where deviations, improve the therapeutic effect of applicating device, reduce and see The nurse number of shield personnel.

In some specific embodiments, plastic colloidal cloth is can be used in the first fixing piece.When supply radiator duct is inserted into patient's Nostril and after being adjusted in place, so that it may the nose or face of supply radiator duct and patient are fixed to each other by plastic colloidal cloth.

In some specific embodiments, thermoplastic mask is can be used in the second fixing piece.It is carried out when by the first fixing piece After pre-fixing, thermoplastic mask can be covered on the head of patient, then supply radiator duct is fixed on thermoplastic mask, so realize and apply source Pipe is completely fixed.Applicating device and patients head are fixed using thermoplastic mask, are improved applicating device and are put position in interval procedure Repeatability and fixed reliability.

By the description above to each embodiment of the utility model it is found that the utility model at least has following technology Effect:

1, the orientation of supply radiator duct can be reacted in real time in the outside of patient, can be carried out in the orientation to supply radiator duct in real time It adjusts；

2, the shape of supply radiator duct can voluntarily change, and to agree with the nasopharyngeal wall of different patients, meet applicating device and nasopharyngeal wall is suitable The requirement of shape improves comfort of the patient in treatment；

3, fixed reliable.

In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without It is as limitation, therefore, other examples of exemplary embodiment can have different values.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to the scope of the utility model.It should be pointed out that for the ordinary skill of this field For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this The protection scope of utility model.Therefore, the protection scope of the utility model should be determined by the appended claims.

Claims (10)

1. a kind of for treating the applicating device of nasopharyngeal carcinoma characterized by comprising

Supply radiator duct, one end of the supply radiator duct stretches to the affected area of nasopharyngeal carcinoma, and forms bending section at the end；

Applicating device body, the applicating device body are fixedly connected on the other end of the applicating device, and there is the applicating device body instruction to adjust Section portion, it is described instruction adjustment portion direction it is consistent with the bending direction of the bending section, the instruction adjustment portion be used to indicate and Adjust the orientation of the supply radiator duct.

2. applicating device as described in claim 1, which is characterized in that the instruction adjustment portion includes fixed part and is set to described solid Determine the instruction unit in portion, the fixed part is fixedly connected with the supply radiator duct, direction and the bending section of the instruction unit Bending direction is consistent.

3. applicating device as claimed in claim 2, which is characterized in that the fixed part and the instruction unit are integrally formed.

4. applicating device as claimed in claim 2, which is characterized in that the instruction unit is by the fixed part from its surface along described The bending direction of bending section extends.

5. applicating device as described in claim 3 or 4, which is characterized in that a through-hole is equipped in the fixed part, the through-hole One end connects the supply radiator duct, and the other end connects radioactive source.

6. applicating device as described in claim 1, which is characterized in that the supply radiator duct is made of photocurable resin material.

7. applicating device as described in claim 1, which is characterized in that the supply radiator duct is formed using 3 D-printing.

8. a kind of for fixing the fixed structure of applicating device characterized by comprising

First fixing piece, first fixing piece are fixedly connected on applicating device body, and first fixing piece to described for applying Source device is pre-fixed；

Second fixing piece, second fixing piece are fixedly connected on first fixing piece, second fixing piece for pair The applicating device carries out secondary fixation.

9. fixed structure as claimed in claim 8, which is characterized in that first fixing piece is plastic colloidal cloth.

10. fixed structure as claimed in claim 8, which is characterized in that second fixing piece is thermoplastic mask.