CN202409148U - Puncture location device - Google Patents
Puncture location device Download PDFInfo
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- CN202409148U CN202409148U CN2011202314058U CN201120231405U CN202409148U CN 202409148 U CN202409148 U CN 202409148U CN 2011202314058 U CN2011202314058 U CN 2011202314058U CN 201120231405 U CN201120231405 U CN 201120231405U CN 202409148 U CN202409148 U CN 202409148U
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Abstract
The utility model provides a puncture location device, which comprises a fixed soleplate arranged in a magnetic resonance coil, wherein a fixed grid array, which is formed by multiple regularly arranged fixed grids in the same size, is arranged in the middle of the fixed soleplate, wherein two symmetrical projecting parts are arranged in the middle of the inner side of each fixed grid and used for dividing the fixed grids into an upper through groove and a lower through groove in the same size; a magnetic resonance mark point placing hole is arranged on the upper part of the fixed soleplate; when a tissue to be detected is located by utilizing the puncture location device, the fixed soleplate is provided with a puncture pressure plate; when the tissue to be detected is punctured by utilizing the puncture location device, the fixed soleplate is provided with a puncture grid. Through utilizing the puncture location device, a puncture dead zone is greatly reduced, the puncture precision is improved, the location time is saved, and the pain of patients is greatly relieved.
Description
Technical field
This utility model relates to the aspiration biopsy technology based on nuclear magnetic resonance (MRI), particularly a kind of puncture positioning device.
Background technology
In recent years, the breast cancer incidence of China increases fast.Several municipalities directly under the Central Government, the breast cancer incidence of provincial capital is approaching or surpass 80/100000ths, obviously surpasses the annual morbidity of developed countries such as the U.S., Europe.Along with popularizing of propaganda, the women also increases the attention degree of breast carcinoma gradually, and checking oneself with early screening has become common recognition.But in the mastopathy that these early screenings are found, it is benign lesion that the pathological changes about 80% is arranged, and non-malignant tumors.If excise treatment to what these focuses were made no exception, all can bring totally unfavorable influence to the quality of life of patient and patient family.Therefore, before the operation of breast lesion is made a definite diagnosis,, then not only can avoid unnecessary operation, can also alleviate patient's burden, improve patient's quality of life if can confirm focus character through the invasive methods of aspiration biopsy.
Because advantages such as soft tissue resolution is high, radiationless, mr imaging technique are the best means of breast image inspection always.At US and European, the high-risk breast cancer crowd is carried out examination, when suspicious focus is made a definite diagnosis and is formulated mammary gland and protects the breast conserving surgery scheme, mr imaging technique is the technology that the doctor at first considers always.
In the biopsy of existing guided by magnetic resonance breast puncture, flow process generally comprises the step that is described below:
Step 1; The patient is prostrate on magnetic resonance coil, and breast freely overhangs the coil aperture place of magnetic resonance coil both sides, uses the breast of puncture positioning device immobilized patients then; Wherein, also be provided with the anchor point that can produce magnetic resonance signal on the said puncture positioning device.
Step 2; The patient is moved in the scanning duct of MR imaging apparatus and scan; Obtain corresponding MRI; And confirm the three-dimensional coordinate of pathological changes active region and the three-dimensional coordinate of the anchor point on the above-mentioned puncture positioning device through MRI, calculate two space lengths between the three-dimensional coordinate, and this this space length is converted into the relation between predetermined point of puncture and the anchor point.
Step 3; With shifting out in the scanning duct of patient from MR imaging apparatus, keep front lying position motionless, from predetermined point of puncture injecting anesthetic medicine (be generally 1% lignocaine); After treating that patient's pain disappears, from then on predetermined point of puncture inserts the trocar of being with macromolecular material or titanium alloy to process; After being inserted into the degree of depth that precomputes when this trocar, remove interior pin, keep the trocar.
Step 4, the scanning duct that once more patient is moved in the MR imaging apparatus is scanned, and confirms through resulting MRI whether the trocar front end that is inserted has reached determined pathological changes active region.If do not reach, then the calculating location deviation is gone into pin once more.
Step 5 shifts out the scanning duct with the patient, from inserting aspiration biopsy pin to determined pathological changes active region in the trocar, excites cell taking gun, obtains enough pathological changes BIAO and BEN; The patient stopped blooding handle the back and finish the aspiration biopsy process.
In existing puncture positioning device, generally use square grid that required site of puncture (for example, breast) fixed.Though square grid is easy to use, can reaches 30% of the gross area because of its grid blocks the puncture blind area of causing, thereby significantly reduce the precision of aspiration biopsy.And; State square grid extruding breast in the use, thereby tissue in the breast is become in the process of dense convenient puncture, can cause mammary gland tissue from each grid of above-mentioned square grid, to bloat; And in actual piercing process; The locating hole that is inserted can compress the mammary gland tissue that from each grid, has bloated again, thereby causes the dislocation of focus, thereby is difficult to accurately puncture.
In application number was 201020003128.0 Chinese utility application, a kind of movably pin puncture locating rack was disclosed.But this device difficult solves mammary gland can not sterilization problems after fixing; Simultaneously; When focus exceeds the scope that the fixed position covered for the first time,, will cause moving of mammary gland tissue if move fixed mount to new fixed position; Therefore also need scan reposition and corresponding inserting needle mode once more, thereby have a strong impact on operation efficient to confirm focus.
The utility model content
In view of this, this utility model provides a kind of puncture positioning device, thereby can reduce the blind area of puncturing, and reduces the distortion difference of mammary gland in scanning and piercing process, improves the puncture precision.
A kind of puncture positioning device that this utility model provides, this device comprises: be arranged at the fixed base plate in the magnetic resonance coil;
The middle part of said fixed base plate is provided with a fixed-grid array of being made up of a plurality of regularly arranged, equal-sized fixed-grid; Wherein, the inboard middle part of each fixed-grid is provided with two symmetric protuberances, and said fixed-grid is divided into upper and lower two equal-sized grooves; The top of said fixed base plate also is provided with magnetic resonance marker point putting hole;
When using said puncture positioning device that tissue to be measured is positioned, said fixed base plate is provided with the puncture pressing plate;
When using said puncture positioning device that tissue to be measured is punctured, said fixed base plate is provided with the puncture grid;
Wherein, The bottom surface of said puncture pressing plate be provided with and said fixed-grid array in a plurality of fixed-grid one to one and can insert the projection between two protuberances of said fixed-grid; The bottom surface of said projection is a rectangle, and the bottom surface of each projection is positioned at same plane; The both sides of the upper surface of said puncture pressing plate also have outward extending limiting section, and said limiting section is provided with buckle, so that after each projection was passed corresponding fixed-grid, the upper surface of said puncture pressing plate can be connected in the upper surface of said fixed base plate;
Four drift angles of said puncture grid offer with said fixed-grid on the corresponding groove of protuberance so that the bottom of said puncture grid can be inserted along the protuberance of said fixed-grid in the groove on the said fixed-grid; Four limits of the front end of said puncture grid all have outward extending baffle plate; So that when the bottom of said puncture grid is inserted in the corresponding groove; The front end of said puncture grid slidably is close to stationary grizzly to said baffle plate, thereby is connected in the upper surface of said fixed base plate; Said puncture grid is provided with a plurality of perpendicular to said puncture grid surface and regularly arranged through hole, is used to insert the trocar.
Said fixed base plate is arranged in the magnetic resonance four-way Breast Coil.
Have 10 fixed-grid in the fixed-grid array on the said fixed base plate.
Said fixed base plate is arranged in the magnetic resonance eight passage Breast Coil.
Have 16 fixed-grid in the fixed-grid array on the said fixed base plate
The arrangement mode of said each through hole of puncture grid is the multiple arrangement mode that is provided with in advance, and every kind of arrangement mode is corresponding to a kind of puncture grid.
Big or small identical with each through hole on a kind of grid that punctures;
Each through hole on the puncture grid not of the same race big or small identical or inequality.
Under the situation about using that cooperatively interacts, having two kinds of all through hole institute region covered in the puncture grid at least is the whole lesion region with preset area.
Visible by technique scheme, the puncture positioning device that this utility model provided comprises the fixed base plate that is arranged in the magnetic resonance coil; When using said puncture positioning device that tissue to be measured is positioned, said fixed base plate is provided with the puncture pressing plate; And when using said puncture positioning device that tissue to be measured is punctured, also be provided with the puncture grid on the said fixed base plate.Through using above-mentioned puncture positioning device, can cover the whole lesion region in the certain limit, significantly reduced the puncture blind area; Simultaneously, the lesion locations that causes that moves of skin changes when also having reduced because of scanning location and aspiration biopsy, thereby has improved the puncture precision, has saved positioning time, has alleviated patient's misery.
Description of drawings
Fig. 1 is the sketch map of a kind of preferred construction of the fixed base plate in this utility model.
Fig. 2 is the sketch map of the another kind of preferred construction of the fixed base plate in this utility model.
Fig. 3 (a) is a kind of preferred construction sketch map of the puncture pressing plate in this utility model.
Fig. 3 (b) is the rearview of the pressing plate of puncture shown in Fig. 3 (a).
Fig. 3 (c) is the vertical view of the pressing plate of puncture shown in Fig. 3 (a).
Fig. 4 (a)～Fig. 4 (d) is four kinds of preferred construction sketch maps of the puncture grid in this utility model.
Fig. 5 is the side view of the puncture grid in this utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make this utility model is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to this utility model further explain.
In this utility model; A kind of puncture positioning device has been proposed; Comprise a fixed base plate in this puncture positioning device, this fixed base plate can be arranged in the corresponding magnetic resonance coil, is used for mammary gland tissue is positioned and/or puncturing in magnetic resonance breast biopsy process.
Fig. 1 is the sketch map of a kind of preferred construction of the fixed base plate in this utility model.Fig. 2 is the sketch map of the another kind of preferred construction of the fixed base plate in this utility model.Wherein, fixed base plate shown in Figure 1 can be arranged in the magnetic resonance four-way Breast Coil, and fixed base plate shown in Figure 2 then can be arranged in the magnetic resonance eight passage Breast Coil.
As depicted in figs. 1 and 2, the middle part of said fixed base plate 100 is provided with a fixed-grid array of being made up of a plurality of regularly arranged, equal-sized fixed-grid 101; Wherein, each fixed-grid 101 inboard middle part is provided with two symmetric protuberances 103, and said fixed-grid 101 is divided into upper and lower two equal-sized grooves.In addition, also be provided with magnetic resonance marker point putting hole 102 on the top of said fixed base plate 100.
When using said puncture positioning device that tissue to be measured is positioned, said fixed base plate 100 is provided with puncture pressing plate 300.
Fig. 3 (a) is a kind of preferred construction sketch map of the puncture pressing plate in this utility model.Fig. 3 (b) is the rearview of the pressing plate of puncture shown in Fig. 3 (a).Fig. 3 (c) is the vertical view of the pressing plate of puncture shown in Fig. 3 (a).Shown in Fig. 3 (a)～(c); The bottom surface of said puncture pressing plate 300 be provided with and said fixed-grid array in a plurality of fixed-grid one to one and can insert the projection 301 between two protuberances of said fixed-grid; The bottom surface of said projection 301 is a rectangle, and the bottom surface of said each projection 301 is positioned at same plane; The both sides of the upper surface of said puncture pressing plate 300 also have outward extending limiting section 302; Said limiting section is provided with buckle 303; So that after each projection 301 was passed corresponding fixed-grid 101, the upper surface of said puncture pressing plate 300 can be connected in the upper surface of said fixed base plate 100;
When using said puncture positioning device that tissue to be measured is punctured, said fixed base plate 100 is provided with puncture grid 400.
Fig. 4 (a)～Fig. 4 (d) is four kinds of preferred construction sketch maps of the puncture grid in this utility model.Four drift angles of said puncture grid 400 offer with said fixed-grid on the corresponding groove 401 of protuberance so that the bottom of said puncture grid 400 can be inserted along the protuberance of said fixed-grid in the groove on the said fixed-grid; Four limits of the front end of said puncture grid 400 all have outward extending baffle plate 402; So that when the bottom of said puncture grid 400 is inserted in the corresponding groove; The front end of said puncture grid 400 slidably is close to stationary grizzly 101 to said baffle plate 402, thereby is connected in the upper surface of said fixed base plate 100; Said puncture grid 400 is provided with a plurality of perpendicular to said puncture grid surface and regularly arranged through hole 403, is used to insert the trocar.
In addition; In the specific embodiment of this utility model; The fixed-grid in the said fixed-grid array number and the arrangement mode of the fixed-grid 101 in the said fixed-grid array can be set in advance, so that can cover the zone that need position and/or puncture.For example, in the puncture positioning device in being arranged at magnetic resonance four-way Breast Coil, can have 10 fixed-grid 101 in the fixed-grid array on the said fixed base plate 100, arrangement mode is as shown in Figure 1; And in the puncture positioning device in being arranged at magnetic resonance eight passage Breast Coil, can have 16 fixed-grid 101 in the fixed-grid array on the said fixed base plate 100, arrangement mode is as shown in Figure 2.
In the specific embodiment of this utility model, also can the number and the arrangement mode of the projection on said puncture pressing plate 300 bottom surfaces be set in advance according to the number and the arrangement mode of the fixed-grid in the said fixed-grid array.For example, as shown in Figure 3, the number of the projection on said puncture pressing plate 300 bottom surfaces is 8, and arrangement mode as shown in Figure 3.Therefore, in actual application, can puncture pressing plate 300 shown in Figure 3 be plugged in the corresponding fixed-grid in the fixed base plate.Because the bottom surface of the projection 301 on the puncture pressing plate 300 is all on same plane; Therefore when mammary gland tissue to be measured being scanned the location; The bottom surface of each projection that is plugged into the puncture pressing plate 300 in the corresponding fixed-grid in the fixed base plate is with after mammary gland tissue to be measured contacts; With forming a complete contact plane; And the phenomenon that the mammary gland tissue that zone to be measured can not take place bloats when magnetic resonance imaging, thereby can compare accurately location to the focus in the mammary gland tissue to be measured, and can improve the degree of accuracy of the follow-up piercing process that carries out.
Further; In the specific embodiment of this utility model; In order to reduce the puncture blind area and to improve the puncture precision, the arrangement mode of each through hole can be the multiple arrangement mode that is provided with in advance on the said puncture grid 400, and every kind of arrangement mode can be corresponding to a kind of puncture grid.For example, four kinds of arrangement modes shown in Fig. 4 (a)～Fig. 4 (d) can be corresponding to four kinds of different puncture grids.Wherein, with big or small identical (being that diameter is identical) of each through hole on a kind of grid that punctures, the size of each through hole on the puncture grid not of the same race can be identical, also can be inequality.In addition, in the specific embodiment of this utility model, under the situation about using that cooperatively interacts, having two kinds of all through hole institute region covered in the puncture grid at least is the whole lesion region with preset area.Therefore, can at least two kinds of different puncture grids be used,, also improve the puncture precision thereby can reduce the puncture blind area to cover the whole lesion region in the certain limit.For example; Can Fig. 4 (a) and these two kinds punctures of Fig. 4 (b) grid be used; Because the position of the through hole in these two kinds punctures of Fig. 4 (a) and Fig. 4 (b) grid is also inequality; And each through hole in the puncture grid shown in Fig. 4 (b) can region covered the region covered that each through hole is failed in the puncture grid shown in Fig. 4 (a) exactly; Therefore can these two kinds punctures of Fig. 4 (a) and Fig. 4 (b) grids be used, thereby can cover the interior whole lesion region of preset range (for example, all fixed-grid 101 covered scope).In like manner, also can Fig. 4 (c) and these two kinds punctures of Fig. 4 (d) grid be used, thereby cover the whole lesion region in the certain limit.
Below, in conjunction with aforesaid puncture positioning device, be elaborated to utilizing the aspiration biopsy process that puncture positioning device is realized in the present embodiment.Concrete aspiration biopsy process generally can comprise the step that is described below:
Step 601; Through fixed mount fixed base plate 100 is fixed in the magnetic resonance coil side; The patient is prostrate on magnetic resonance coil; Breast freely overhangs the coil aperture place of magnetic resonance coil both sides; Puncture pressing plate 300 is connected in the surface of said fixed base plate 100, makes to form a complete contact plane after the side contacts of bottom surface and patient's breast of each projection 301 of puncture pressing plate 300, thereby cooperate the breast of baffle plate (each the schemes all not shown) immobilized patients of the breast opposite side that is arranged in the patient.Magnetic resonance marker point is inserted in the magnetic resonance marker point putting hole 102 of said fixed base plate 100, be used for follow-up scanning location.
Step 602; The patient is moved in the scanning duct of MR imaging apparatus and scan; Obtain corresponding MRI; And confirm the three-dimensional coordinate of pathological changes active region and the three-dimensional coordinate of the magnetic resonance marker point on the above-mentioned puncture positioning device through MRI; Calculate two space lengths between the three-dimensional coordinate, and confirm predetermined point of puncture, and confirm the position and the corresponding depth of needle of the through hole on the predetermined pairing fixed-grid of point of puncture, the corresponding puncture grid according to this space length.
Step 603 with shifting out in the scanning duct of patient from MR imaging apparatus, keeps front lying position motionless; Pull up puncture pressing plate 300, the skin in the predetermined pairing fixed-grid of point of puncture is carried out disinfection, from predetermined point of puncture injecting anesthetic medicine (be generally 1% lignocaine); After treating that patient's pain disappears, insert pairing puncture grid 400, according to determined inserting needle position and depth of needle; From said puncture grid, insert the trocar that band macromolecular material or titanium alloy are processed the corresponding through hole 109; After being inserted into the degree of depth that precomputes when this trocar, remove interior pin, keep the trocar.
Step 604, the scanning duct that once more patient is moved in the MR imaging apparatus is scanned, and confirms through resulting MRI whether the trocar front end that is inserted has reached determined pathological changes active region.If do not reach, then the calculating location deviation is gone into pin once more.
Step 605 shifts out the scanning duct with the patient, from inserting aspiration biopsy pin to determined pathological changes active region in the trocar, excites cell taking gun, obtains enough pathological changes BIAO and BEN; The patient stopped blooding handle the back and finish the aspiration biopsy process.
In above-mentioned aspiration biopsy process based on nuclear magnetic resonance; Because two protuberances on the fixed-grid can be divided into upper and lower two equal grooves with corresponding fixed-grid; The puncture grid can select corresponding groove to insert in the stationary grizzly as required; Make the puncture grid to cover on a large scale all lesion region, thereby dwindled the puncture blind area greatly in vertically no compartment of terrain.And; When scanning the location; The bottom surface of each projection of puncture pressing plate 300 can form a complete contact plane with after mammary gland tissue to be measured contacts, thereby has avoided mammary gland tissue convexity when magnetic resonance imaging in zone to be measured; Flatten and the dislocation of generation and when aspiration biopsy, be punctured grid, therefore improved the puncture precision greatly.Simultaneously; The puncture grid all can carry out the dismounting combination with fixed base plate easily with the puncture pressing plate; Thereby can in the aspiration biopsy process, treat the site of puncture easily carries out partly sterilised, shifts out steps such as catheter needle; Therefore also improve the efficient of aspiration biopsy greatly, saved positioning time, alleviated patient's misery.
By on can know and see; Through using the above-mentioned puncture positioning device that this utility model provided; Can in whole location/piercing process, cover the whole lesion region in the certain limit; The puncture blind area can reduce 50% with respect to square grid formula fixed mount of the prior art, has therefore significantly reduced the puncture blind area; Simultaneously; Owing in above-mentioned puncture positioning device, used the puncture pressing plate, the lesion locations that causes that moves of skin changes in the time of therefore can reducing because of scanning location and aspiration biopsy, thereby can improve the puncture precision greatly; Save positioning time, alleviate patient's misery.
Combine accompanying drawing that this utility model has been carried out exemplary description above; Obviously the concrete implementation of this utility model does not receive the restriction of aforesaid way; As long as adopted method design of this utility model and the various improvement that technical scheme is carried out; Or directly apply to other occasions without improvement, all within this utility model protection domain.
Claims (8)
1. a puncture positioning device is characterized in that, this device comprises: be arranged at the fixed base plate in the magnetic resonance coil;
The middle part of said fixed base plate is provided with a fixed-grid array of being made up of a plurality of regularly arranged, equal-sized fixed-grid; Wherein, the inboard middle part of each fixed-grid is provided with two symmetric protuberances, and said fixed-grid is divided into upper and lower two equal-sized grooves; The top of said fixed base plate also is provided with magnetic resonance marker point putting hole;
When using said puncture positioning device that tissue to be measured is positioned, said fixed base plate is provided with the puncture pressing plate;
When using said puncture positioning device that tissue to be measured is punctured, said fixed base plate is provided with the puncture grid;
Wherein, The bottom surface of said puncture pressing plate be provided with and said fixed-grid array in a plurality of fixed-grid one to one and can insert the projection between two protuberances of said fixed-grid; The bottom surface of said projection is a rectangle, and the bottom surface of each projection is positioned at same plane; The both sides of the upper surface of said puncture pressing plate also have outward extending limiting section, and said limiting section is provided with buckle, so that after each projection was passed corresponding fixed-grid, the upper surface of said puncture pressing plate can be connected in the upper surface of said fixed base plate;
Four drift angles of said puncture grid offer with said fixed-grid on the corresponding groove of protuberance so that the bottom of said puncture grid can be inserted along the protuberance of said fixed-grid in the groove on the said fixed-grid; Four limits of the front end of said puncture grid all have outward extending baffle plate; So that when the bottom of said puncture grid is inserted in the corresponding groove; The front end of said puncture grid slidably is close to stationary grizzly to said baffle plate, thereby is connected in the upper surface of said fixed base plate; Said puncture grid is provided with a plurality of perpendicular to said puncture grid surface and regularly arranged through hole, is used to insert the trocar.
2. puncture positioning device as claimed in claim 1 is characterized in that:
Said fixed base plate is arranged in the magnetic resonance four-way Breast Coil.
3. puncture positioning device as claimed in claim 2 is characterized in that:
Have 10 fixed-grid in the fixed-grid array on the said fixed base plate.
4. puncture positioning device as claimed in claim 1 is characterized in that:
Said fixed base plate is arranged in the magnetic resonance eight passage Breast Coil.
5. puncture positioning device as claimed in claim 4 is characterized in that:
Have 16 fixed-grid in the fixed-grid array on the said fixed base plate
6. puncture positioning device as claimed in claim 1 is characterized in that:
The arrangement mode of said each through hole of puncture grid is the multiple arrangement mode that is provided with in advance, and every kind of arrangement mode is corresponding to a kind of puncture grid.
7. puncture positioning device as claimed in claim 6 is characterized in that:
Big or small identical with each through hole on a kind of grid that punctures;
Each through hole on the puncture grid not of the same race big or small identical or inequality.
8. like claim 6 or 7 described puncture positioning devices, it is characterized in that:
Under the situation about using that cooperatively interacts, having two kinds of all through hole institute region covered in the puncture grid at least is the whole lesion region with preset area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202314058U CN202409148U (en) | 2011-06-30 | 2011-06-30 | Puncture location device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202314058U CN202409148U (en) | 2011-06-30 | 2011-06-30 | Puncture location device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202409148U true CN202409148U (en) | 2012-09-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202314058U Expired - Fee Related CN202409148U (en) | 2011-06-30 | 2011-06-30 | Puncture location device |
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| Country | Link |
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| CN (1) | CN202409148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420027A (en) * | 2019-09-12 | 2019-11-08 | 深圳市金石医疗科技有限公司 | Breast Coil lancing system |
-
2011
- 2011-06-30 CN CN2011202314058U patent/CN202409148U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110420027A (en) * | 2019-09-12 | 2019-11-08 | 深圳市金石医疗科技有限公司 | Breast Coil lancing system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20140630 |
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| EXPY | Termination of patent right or utility model |