CN214912773U - After-loading implantation guide assembly of uterine cavity applicator - Google Patents
After-loading implantation guide assembly of uterine cavity applicator Download PDFInfo
- Publication number
- CN214912773U CN214912773U CN202120977184.2U CN202120977184U CN214912773U CN 214912773 U CN214912773 U CN 214912773U CN 202120977184 U CN202120977184 U CN 202120977184U CN 214912773 U CN214912773 U CN 214912773U
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- CN
- China
- Prior art keywords
- applicator
- uterine
- catheter
- guide assembly
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000002513 implantation Methods 0.000 title claims description 17
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000007769 metal material Substances 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims 1
- 210000003679 cervix uteri Anatomy 0.000 abstract description 4
- 210000004291 uterus Anatomy 0.000 description 16
- 238000001959 radiotherapy Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 206010008342 Cervix carcinoma Diseases 0.000 description 3
- 208000006105 Uterine Cervical Neoplasms Diseases 0.000 description 3
- 201000010881 cervical cancer Diseases 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009342 intercropping Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000002725 brachytherapy Methods 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 208000024719 uterine cervix neoplasm Diseases 0.000 description 1
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Abstract
The utility model provides a back dress is with palace chamber applicator's guide assembly of putting into, include the pipe of spy palace strip and being made by flexible material of being made by plastic shape metal material, be equipped with the breach that can supply the applicator body to penetrate on the pipe, the rear end and the front end of pipe are equipped with respectively and supply spy first perforation that palace strip penetrated and the second that can supply the applicator body to wear out perforates. The utility model discloses use the pipe to guide, it is simple feasible, solves the clinical difficulty that can't put into patient's cervix with the source applicator fabulously, and the pipe still can protect the patient simultaneously, effectively prevents to visit the palace strip or the source applicator body causes the damage to patient's internal tissue.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the field of medical equipment, especially a back dress is with putting into guide assembly of palace chamber applicator.
[ background of the invention ]
Statistical analysis shows that patients with early-stage cervical cancer and tumor have no difference in curative effect of radical radiotherapy and operative curative effect, and the local late-stage cervical cancer is treated by radiotherapy as a main treatment means. Radiation therapy for cervical cancer includes external irradiation and brachytherapy (also known as afterloading). At present, three-dimensional intrauterine device combined tissue intercropping is usually adopted for afterloading, and evidence-based medical evidence shows that the curative effect of the three-dimensional intrauterine device combined tissue intercropping is superior to two-dimensional afterloading and three-dimensional afterloading of a pure intrauterine device. The uterine cavity built-in uterine cavity applicator is the basis for implementing three-dimensional afterloading, but the existing uterine cavity applicator only has three anteflexion angles of 15 degrees, 30 degrees and 45 degrees, and for patients with uterine deformity, large anteversion anteflexion angle of the uterus, even 90 degrees, the implementation of the uterine cavity built-in tube is very difficult, and even the applicator cannot be placed into the cervix of the patient, so that the clinical difficulty is caused. In addition, the uterine cavity applicator belongs to high-precision medical instruments, and a single applicator is high in price and cannot be molded, so that the modification cost is high.
[ Utility model ] content
The technical problem to be solved by the utility model is to provide a guide assembly for placing a rear-loading uterine cavity applicator, which has low cost, is sterile, safe, simple and feasible.
The purpose of the utility model is realized like this:
a putting-in guide assembly of a later-used uterine cavity applicator comprises a uterine sounding strip made of a moldable metal material and a guide pipe made of a flexible material, wherein a notch for the uterine sounding strip to penetrate into is formed in the guide pipe, and a first through hole for the uterine sounding strip to penetrate into and a second through hole for the end part of the uterine applicator body to penetrate out are respectively formed in the rear end and the front end of the guide pipe.
The implantation guide assembly of the afterloading uterine cavity applicator is characterized in that an implantation part is arranged between the notch and the front end of the catheter, and an operation part is arranged between the notch and the rear end of the catheter.
The length of the implantation part is H, and H is more than or equal to 9cm and less than or equal to 10 cm.
The length of the operating part is L, and L is more than or equal to 15cm and less than or equal to 16 cm.
The implantation guide assembly of the afterloading uterine cavity applicator is characterized in that the catheter is made of a silica gel material.
The implantation guide assembly of the afterloading uterine cavity applicator has the pipe diameter of 0.5cm to 0.6 cm.
The guiding method of the implantation guide assembly of the afterloading uterine cavity applicator comprises the following steps: shaping, namely bending and shaping the uterine sounding strip to enable the uterine sounding strip to have a proper anteflexion angle; the shaped uterine sounding strip sequentially penetrates into the operation part and the embedding part of the catheter from the first through hole through the primary sleeve; probing the uterus, wherein a uterus probing strip penetrating into the catheter and the catheter are penetrated into the uterus of the patient together, so that the front end of the catheter is placed into the uterus of the patient; withdrawing the catheter, namely pulling out the uterine sounding strip independently to enable the catheter to be kept in the body of the patient independently; and the secondary sleeve penetrates the applicator body from the notch to the embedding part of the catheter, so that the end part of the applicator body extends out of the second perforation and is embedded into the uterus of the patient.
The guiding method of the implantation guiding assembly of the afterloading uterine cavity applicator can pull the operation part to prevent the implantation part from excessively entering the body of a patient when secondary sleeve or uterine sounding is carried out.
The guiding method of the implantation guiding assembly of the afterloading uterine cavity applicator can press the catheter to prevent the catheter from being withdrawn along with the uterine sounding strip when the catheter is withdrawn.
Compared with the prior art, the utility model, have following technical characterstic:
1. the uterine sounding strip is a shapeable metal sounding strip, and the diameter of the uterine sounding strip is slightly smaller than that of the applicator body, so that the success rate of uterine sounding of a patient with large uterine flexibility (larger than 45 degrees) under the guidance of the matched catheter is still high.
2. The guide tube is used for guiding, the clinical difficulty that the source applicator cannot be placed into the cervix of a patient is well solved, and meanwhile, the guide tube can also protect the patient, so that the uterus probing strip or the source applicator body can be effectively prevented from damaging the internal tissues of the patient.
3. The catheter is disposable, and has the advantages of sterility, safety and low cost.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the uterine sounding strip of the present invention;
fig. 2 is a schematic structural view of the catheter of the present invention;
fig. 3 is a schematic structural view of an applicator body with a maximum (45 °) forward flexion angle.
[ detailed description ] embodiments
A rear-mounted implantation guide assembly of a uterine cavity applicator comprises a uterine sounding strip 1 made of a moldable metal material and a guide pipe 2 made of a flexible material, wherein a gap 21 for the uterine applicator body 10 to penetrate through is arranged on the guide pipe 2, and a first through hole 23 for the uterine sounding strip 1 to penetrate through and a second through hole 22 for the end part of the uterine applicator body 10 to penetrate through are respectively arranged at the rear end and the front end of the guide pipe 2.
An embedding part 201 is arranged between the notch 21 and the front end of the catheter 2, and an operation part 202 is arranged between the notch 21 and the rear end of the catheter 2. The length of the embedding part 201 is H, and H is more than or equal to 9cm and less than or equal to 10cm, so that the distance between the cervix and the uterus of most patients is adapted. The length of the operation part 202 is L, and L is more than or equal to 15cm and less than or equal to 16cm, thereby facilitating clinical operation.
The catheter 2 is made of a silica gel material, so that the catheter 2 is more skin-friendly, and the use comfort is improved.
The pipe diameter of the conduit 2 is 0.5cm to 0.6 cm. After the applicator body 10 penetrates into the embedding part 201, the pipe wall of the catheter 2 can limit the clamping boss 101 of the applicator body 10 (the linear length of the position of the clamping boss 101, which is far away from the front end of the applicator body 10, is about 10cm), thereby effectively preventing the applicator body 10 from excessively extending into the body of a patient.
In order to facilitate the insertion of the applicator body 10 into the insertion portion 201 of the catheter 2 through the notch 21, the notch 21 has a wedge shape (a shape of a cut obliquely cut from the rear to the front).
The guiding method of the implantation guiding assembly of the afterloading uterine cavity applicator comprises the following steps:
a: shaping, namely bending and shaping the uterine sounding strip 1 to enable the uterine sounding strip 1 to have a proper anteflexion angle (according to the actual anteversion anteflexion angle of the uterus of a patient, the uterine sounding strip 1 can be bent into 90 degrees, 135 degrees or even larger anteflexion angles);
b: a primary sleeve, wherein the shaped uterine sounding strip 1 sequentially penetrates into the operation part 202 and the embedding part 201 of the catheter 2 from the first perforation 23;
c: a uterus probing step, wherein a uterus probing strip 1 penetrating into a catheter 2 and the catheter 2 are penetrated into the uterus of a patient together, so that the front end of the catheter 2 is placed into the uterus of the patient;
d: withdrawing the catheter, namely pulling out the uterine sounding strip 1 independently to enable the catheter 2 to be kept in the body of the patient independently;
e: and a secondary sleeve, which penetrates the applicator body 10 from the notch 21 to the insertion part 201 of the catheter 2, so that the end part of the applicator body extends out of the second perforation 22 and is inserted into the uterus of the patient.
To prevent the insertion section 202 from entering the patient excessively, the operation section 202 may be pulled during the second cannulation or the uterine sounding.
When the tube is withdrawn, the catheter 2 can be pressed to prevent the catheter from being withdrawn along with the uterine sounding strip 1.
Of course, the utility model discloses also can penetrate earlier and put into portion 201 and then moulding spy palace strip 1 again with spy palace strip 1, pipe 2 is moulding in the lump along with spy palace strip 1 this moment.
Through the guide assembly and the guide method of the utility model, the applicator with smaller anteflexion can be quickly placed into the uterus of a patient with larger anteversion anteflexion angle of the uterus, thereby effectively carrying out three-dimensional after-loading radiotherapy on the specific patient. Notably, the placement of the catheter 2 with the applicator body 10 into the patient has no effect on the completion of the afterloading radiotherapy. After the radiotherapy is finished, the applicator 10 and the catheter 2 can be pulled out together, which is very convenient. The utility model discloses simple feasible has solved clinical difficult problem fabulous, adopts disposable sleeve to put into moreover, its low cost, aseptic safety.
Claims (6)
1. The implantation guide assembly of the afterloading uterine cavity applicator is characterized by comprising a uterine sounding strip (1) made of a moldable metal material and a guide pipe (2) made of a flexible material, wherein a notch (21) for the applicator body (10) to penetrate into is arranged on the guide pipe (2), and a first through hole (23) for the uterine sounding strip (1) to penetrate into and a second through hole (22) for the end part of the applicator body (10) to penetrate out are respectively arranged at the rear end and the front end of the guide pipe (2).
2. The insertion guide assembly of a rear-loading uterine cavity applicator as claimed in claim 1, wherein an insertion portion (201) is provided between the notch (21) and the front end of the catheter (2), and an operation portion (202) is provided between the notch (21) and the rear end of the catheter (2).
3. The implantation guide assembly of a afterloading uterine cavity applicator as defined in claim 2, wherein said implantation portion (201) has a length H, and H is 9 cm. ltoreq.H.ltoreq.10 cm.
4. The implantation guide assembly of a afterloading uterine cavity applicator according to claim 2, characterized in that the length of the operating part (202) is L, and 15cm ≦ L ≦ 16 cm.
5. The introduction guide assembly of a rear-loading uterine applicator according to any one of claims 1 to 4, characterized in that the catheter (2) is made of silicone material.
6. The deployment guide assembly of a afterloading uterine applicator according to any one of claims 2 to 4, characterized in that the tube diameter of the catheter (2) is 0.5cm to 0.6 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120977184.2U CN214912773U (en) | 2021-05-08 | 2021-05-08 | After-loading implantation guide assembly of uterine cavity applicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120977184.2U CN214912773U (en) | 2021-05-08 | 2021-05-08 | After-loading implantation guide assembly of uterine cavity applicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214912773U true CN214912773U (en) | 2021-11-30 |
Family
ID=79063101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120977184.2U Expired - Fee Related CN214912773U (en) | 2021-05-08 | 2021-05-08 | After-loading implantation guide assembly of uterine cavity applicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214912773U (en) |
-
2021
- 2021-05-08 CN CN202120977184.2U patent/CN214912773U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |