CN101396296A - Puncture needle seat - Google Patents
Puncture needle seat Download PDFInfo
- Publication number
- CN101396296A CN101396296A CNA2007101618321A CN200710161832A CN101396296A CN 101396296 A CN101396296 A CN 101396296A CN A2007101618321 A CNA2007101618321 A CN A2007101618321A CN 200710161832 A CN200710161832 A CN 200710161832A CN 101396296 A CN101396296 A CN 101396296A
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- China
- Prior art keywords
- probe
- hold assembly
- needle holder
- paracentesis needle
- fixed clamp
- Prior art date
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Abstract
The invention provides a puncture needle seat. When a probe is arranged corresponding to the puncture needle seat, a probe sleeve can not be damaged. The puncture needle seat is provided with a holding part which is used for clamping the probe and the probe sleeve which is covered on the outside of the probe; wherein, the clamping part comprises a fixed clamping part and a movable clamping part; the movable clamping part turns by means of a pivot which is arranged on the fixed clamping part and opens and closes corresponding to the fixed clamping part; sawn from the section of the probe, the pivot of the movable clamping part is arranged on one side which begins to be close to the end part from the center; the length of the movable clamping part in the lengthwise direction of the section of the probe is less than half of the length of the lengthwise direction of the section of the probe so that when the movable clamping part opens and starts corresponding to the fixed clamping part, the movable clamping part does not generate the sliding friction with the fixed clamping part.
Description
Technical field
The present invention relates to a kind of Paracentesis needle holder that is used to install, particularly a kind of Paracentesis needle holder that does not damage probe sheath.
Background technology
The operator, the operator of doctor or radiology department for example, under the ultrasound wave portrait monitored, biopsy needle guide entered in the organism, took a sample, and for example to suffering from the such patient's of tumor tissues sample of tissue, perhaps treatment is for example injected medicine in the patient body.Described ultrasonoscopy is usually by obtaining for the ultrasonic probe of puncture procedure manufacturing specially.
Infected in order to prevent patient and operator, in piercing process, must use probe sheath, and in piercing process, can not have the situation of probe sheath breakage to take place.Probe sheath is softish rubber, thickness be several microns so thin, be enclosed within on the ultrasonic probe during use.
Fig. 1 represents the front view of the relation between puncture needle 1, Paracentesis needle holder 2, ultrasonic probe 3, probe sheath 4, organism and the ultrasound wave portrait zone.
Fig. 2 is the axonometric chart of the relation of puncture needle 1, Paracentesis needle holder 2, ultrasonic probe 3, probe sheath 4.
As shown in Figure 2, Paracentesis needle holder 2 is made of clamping element and puncture needle induction element.The effect of puncture needle induction element is that biopsy needle guide enters in the patient body along planned orbit.The effect of clamping element is that Paracentesis needle holder and ultrasonic probe are fitted together.
The probe sheath of using during puncture 4 is soft rubbers, and thickness be several microns so thin, be easy to during use by sliding broken or squeeze broken.Reason is a Paracentesis needle holder 2 being installed on the ultrasonic probe 3 or when ultrasonic probe 3 unloads, probe sheath 4 having been applied frictional force, causes probe sheath 4 breakages.
The clamping element of Paracentesis needle holder in the past is because the restriction of structure in use is easy to produce the problems referred to above.
Fig. 3 shows the exemplary plot of clamping element of the Paracentesis needle holder of traditional type.The clamping element of Paracentesis needle holder 2 comprises top clamping element 21ao and bottom clamping element 21bo.Described top and the bottom clamping element 21ao is connected by pivot 22o with 21bo.Top and the bottom clamping element 21ao and 21bo are installed in Paracentesis needle holder on the ultrasonic probe.Top and the bottom clamping element 21ao and 21bo fix by knob holder 23o.
Because when the restriction of structure, Paracentesis needle holder 2 are carried out installation or removal with respect to probe 3, Paracentesis needle holder 2 must have relative slip between 3 with popping one's head in, thereby probe sheath 4 is applied frictional force, causes the breakage of probe sheath 4.Fig. 4 shows Paracentesis needle holder and probe mounting or unloading process.
Fig. 5 shows the schematic diagram of the Paracentesis needle holder damage probe sheath of traditional type.In the range of turn radius of Paracentesis needle holder 2, Paracentesis needle holder 2 and 3 of probes have friction, thereby cause the breakage of probe sheath 4.
Summary of the invention
The invention provides a kind of Paracentesis needle holder,, the breakage of probe sheath can not occur popping one's head in when installing with respect to Paracentesis needle holder.
Paracentesis needle holder of the present invention, have: hold assembly, be used for the probe sheath of popping one's head in and be enclosed within outside popping one's head in is carried out clamping, described hold assembly comprises fixed clamp member and movable hold assembly, described movable hold assembly rotates by the pivot that is arranged on the fixed clamp member, open and close with respect to described fixed clamp member
The pivot of described movable hold assembly is arranged on to be seen from the cross section of described probe and to be positioned at a side that begins from the center near the end, and this movable hold assembly is in the length of the longitudinally in the cross section of described probe, be set to less than half of length of longitudinally in the cross section of described probe, make when described movable hold assembly opens and closes action with respect to fixed clamp member, and do not produce sliding friction between the described fixed clamp member.
According to preferable formation of the present invention, the centre of gyration of Paracentesis needle holder clamping element is positioned at the position that radian is turned.This structure can guarantee Paracentesis needle holder with the process of ultrasonic probe installation and removal in, the clamping element of Paracentesis needle holder is fixing directly over the location division of ultrasonic probe, there is no need between the two to slide, probe sheath is not applied the effect of frictional force, so probe sheath can be not damaged.
According to preferable formation of the present invention, the gradient of the locating hole of the clamping element of Paracentesis needle holder (or recess, or projection) and the gradient of ultrasonic probe lobe (or recess) are inconsistent.This structure can guarantee Paracentesis needle holder with the process of ultrasonic probe installation and removal in, smoothly contact between the clamping element of Paracentesis needle holder and the ultrasonic probe, effectively avoided friction to probe sheath.
Description of drawings
Fig. 1 represents the front view of the relation between puncture needle 1, Paracentesis needle holder 2, ultrasonic probe 3, probe sheath 4, organism and the ultrasound wave portrait zone.
Fig. 2 is the axonometric chart of the relation of puncture needle 1, Paracentesis needle holder 2, ultrasonic probe 3, probe sheath 4.
Fig. 3 shows an exemplary plot of the clamping element of traditional Paracentesis needle holder.
Fig. 4 shows traditional Paracentesis needle holder and probe mounting or unloading process.
Fig. 5 shows the schematic diagram of the Paracentesis needle holder damage probe sheath of traditional type.
Fig. 6 shows the exemplary plot of first kind of structure of the clamping element of Paracentesis needle holder.
Fig. 7 is that the cross sectional shape of probe of the present invention and Paracentesis needle holder is oval-shaped structure.
Fig. 8 is the installation and removal flow process of movable hold assembly of the present invention with respect to fixed clamp member.
Fig. 9 shows the schematic diagram that Paracentesis needle holder of the present invention does not damage probe sheath.
Figure 10 shows the chimeric example of clamping element of the ultrasonic probe and the Paracentesis needle holder of one embodiment of the present of invention.
Figure 11 shows the exemplary plot of installation and removal of the clamping element of Paracentesis needle holder in the past.
Figure 12 shows the exemplary plot of installation and removal of clamping element of the Paracentesis needle holder of one embodiment of the present of invention
The specific embodiment
Fig. 6 shows the exemplary plot of first kind of structure of the clamping element of Paracentesis needle holder.In Fig. 6, suppose that the cross sectional shape of probe is approximate rectangular, and radian is arranged in orthogonal 4 bights.The clamping element of Paracentesis needle holder comprises fixed clamp member 21a, 21b and movable hold assembly 21c, and clamping element can be made by metal or any suitable material.Described fixed clamp element 21a is connected by pivot 22b with 21b, but fixed clamp element 21a and 21b are become one.Fixed clamp element 21a is connected by pivot 22a with movable hold assembly 21c.When movable hold assembly 21a closed, the other end of movable hold assembly 21a engaged with the other end of fixed clamp member, and fixed clamp member is that 21b engages with fixed clamp member under 2 the situation in Fig. 6.
In the present invention, the centre of gyration is that pivot 22a is arranged on from the center of the fixed clamp element 21a side near the end, and like this, movable clamping element 21c is along fixed clamp element 21a length on one side, less than half of the length of fixed clamp element 21a.As preferred implementation, pivot 22a is arranged on the position of the radian turning of fixed clamp element 21a.
When fixed clamp element 21a, 21b and movable hold assembly 21c are clipped on the ultrasonic probe, owing to may have the gap between the other end of clamping element 21b and 21c, so knob holder 23 is used for further clamping element 21a, 21b and 21c being fastened on ultrasonic probe.21a, 21b and 21c can have elasticity.Because this elastic property, clamping element 21b and 21c can be fixing tightly by knob holder 23.
As shown in Figure 6, clamping element 21a can also comprise bearing 24, and described bearing stretches out from the part that pivot 22b is installed, and the puncture needle induction element is connected on this bearing.
When fixed clamp member 21a, 21b were two parts that separate, the pivot 22b that connects clamping element 21a and 21b also can be located at the position that these two radians of 22m or 22n are turned.
Select as another kind, the radius of curvature of clamping element radian can be any possible numerical value, certainly, also may be 0.
In addition, clamping element 21a, the 21b of Paracentesis needle holder and 21c also can be split as 4 parts or more.
In the embodiment of Fig. 6, the centre of gyration be arranged so that hold assembly 21c when opening and closing, all and do not produce friction between probe and the probe sheath, thereby be difficult for producing the problem of probe sheath breakage.
Select as another kind, the cross sectional shape of probe and Paracentesis needle holder also can be oval (comprising circle), in this case, shown in Fig. 7 A, Paracentesis needle holder is made of three parts, 2 centre of gyration 22p, 22q are on both sides up and down, the centre of gyration be set to oval minor axis 22p near opening direction one side (in the drawings on minor axis), make movable hold assembly in the length of the transverse direction of probe, less than half of long axis length.In the drawings, two centres of gyration that drawn, but also can have only a centre of gyration.With one of them centre of gyration or with two centres of gyration is that rotating shaft is rotated, and opens and closes hold assembly.
Perhaps, shown in Fig. 7 B, two centre of gyration 22r, 22s are respectively on long axis of ellipse or minor axis.Paracentesis needle holder is made of three parts, with one among 2 centre of gyration 22p, the 22q or be that rotating shaft is rotated with two, opens and closes hold assembly.
Described structure also can be used for other occasions, as long as its advantage that has is similar to the advantage that embodiments of the invention are had.
As preferred embodiment of the present invention, the position of the centre of gyration is set, make the centre of gyration of Paracentesis needle holder in position that radian is turned, when Paracentesis needle holder and ultrasonic probe mount and dismount like this, the necessity that does not have relative slip between Paracentesis needle holder and the ultrasonic probe, probe sheath is not applied pulling force, can not cause the breakage of probe sheath.The installation and removal flow process as shown in Figure 8.
Fig. 9 shows the schematic diagram that does not damage probe sheath according to the Paracentesis needle holder of this example.Do not produce friction in the range of turn radius of clamping element 21c and between the probe sheath, do not exist the situation of pushing probe sheath to take place.
Except the situation that the probe sheath breakage that the position produces is set of the above-mentioned centre of gyration because of Paracentesis needle holder, when opening and closing clamping element, carry out between the locating hole of hold assembly and the locating hole of probe when chimeric, because extruding also produces the problem of probe sheath breakage.
In Figure 10, carry out to be example, the problem of this chimeric generation probe sheath breakage is described chimeric with the positioning element (projection and recess) of popping one's head in the hold assembly 21a of Fig. 6 and the positioning element of 21c (recess and projection).
Figure 10 shows the chimeric example of clamping element of the ultrasonic probe and the Paracentesis needle holder of one embodiment of the present of invention.X and y for example are two projectioies of ultrasonic probe, also can be two shrinkage pools.Under the situation that is projection, protruding x can be different with protruding y, and for example protruding x and protruding y can be positioned at symmetric position on each side of ultrasonic probe, also can be positioned at asymmetrical position.When being positioned at asymmetrical position, Paracentesis needle holder can be fixed in ultrasonic probe all the time in unique direction, and can avoid Paracentesis needle holder to get loose from probe.
21ax and 21cy are the clamping element 21a of the Paracentesis needle holder corresponding with protruding x and protruding y and two holes of 21c.Described hole 21ax and 21cy can be different, and for example hole 21ax and hole 21cy can be positioned at symmetric position on each side of clamping element of puncture needle, also can be positioned at asymmetric position.
In the present invention, the gradient of the locating hole of the clamping element 21a of Paracentesis needle holder and 21c (or recess and projection) and ultrasonic probe lobe (or recess) gradient are designed to inconsistent structure.Two the protruding x and the y of two hole 21ax of the clamping element of Paracentesis needle holder and 21cy and ultrasonic probe are corresponding, but be designed to two protruding x and the inconsistent structure of y gradient with ultrasonic probe, when the positioning element of positioning element that carries out Paracentesis needle holder and probe chimeric, can make to be difficult between two positioning elements producing extruding, can guarantee that the clamping element of Paracentesis needle holder does not in use destroy probe sheath.
The hole 21ax of Paracentesis needle holder can form different size and dimensions with 21cy, with the difform protruding x and the y of corresponding ultrasonic probe.And, the corresponding projection that can come corresponding ultrasonic probe with the hole of three or more.
Figure 11 shows the exemplary plot of installation and removal of the clamping element of Paracentesis needle holder in the past.
Figure 12 shows the exemplary plot of installation and removal of clamping element of the Paracentesis needle holder of one embodiment of the present of invention, and the positioning element that the latter half of Figure 12 has been represented Paracentesis needle holder and the positioning element of probe adopt the sketch map of different gradients in chimeric direction.
In Figure 12, represented one of them with respect to chimeric direction level, another structure for tilting, but be not limited to this, the structure that also can adopt two positioning elements all to tilt with respect to chimeric direction is as long as the angle of its inclination is different.
Can learn by Figure 11 and Figure 12 contrast, adopt the inconsistent structure of gradient, can guarantee that Paracentesis needle holder installing and when ultrasonic probe is dismantled, smoothly contact between the clamping element of Paracentesis needle holder and the ultrasonic probe, effectively avoid extruding probe sheath.
Described structure also can be used for other occasions, as long as its advantage that has is similar to the advantage that embodiments of the invention are had.
When being installed to around the ultrasonic echography probe and unloading around the ultrasonic probe, do not destroy probe sheath and confirm by Paracentesis needle holder.
The above embodiments only be in order more easily to understand the present invention for example, rather than be used for the present invention is limited.Therefore, within the scope of the invention, disclosed in the above-described embodiments each parts and element can redesign or improve with its equivalent substitution thing.Further, any may combination of these parts or element is also contained in the scope of the invention, as long as its advantage that has is similar to the advantage that embodiments of the invention are had.
According to above-mentioned explanation, various improvement of the present invention and variation are possible.Therefore it should be understood that in additional claim scope except according to specific description, the present invention can realize by different modes here.
Claims (16)
1. Paracentesis needle holder, have: hold assembly, be used for the probe sheath of popping one's head in and be enclosed within outside popping one's head in is carried out clamping, described hold assembly comprises fixed clamp member and movable hold assembly, described movable hold assembly rotates by the pivot that is arranged on the fixed clamp member, open and close with respect to described fixed clamp member, it is characterized in that
The pivot of described movable hold assembly is arranged on to be seen from the cross section of described probe and to be positioned at a side that begins from the center near the end, and this movable hold assembly is in the length of the longitudinally in the cross section of described probe, be set to less than half of length of longitudinally in the cross section of described probe, make when described movable hold assembly opens and closes action with respect to fixed clamp member, and do not produce sliding friction between the described fixed clamp member.
2. Paracentesis needle holder according to claim 1 is characterized in that, described probe is that 4 bights have the approximate rectangular of radian.
3. Paracentesis needle holder according to claim 2 is characterized in that, the pivot of described movable hold assembly is arranged on the bight that radian is arranged of described probe.
4. Paracentesis needle holder according to claim 1 and 2 is characterized in that, described fixed clamp member is 1, and described movable hold assembly combines with the two ends of described fixed clamp member when closure.
5. Paracentesis needle holder according to claim 1 and 2 is characterized in that, described fixed clamp member is 2, and described movable hold assembly combines with an end of described 2 fixed clamp member respectively when closure.
6. Paracentesis needle holder according to claim 1 is characterized in that, described probe is oval.
7. Paracentesis needle holder according to claim 6 is characterized in that the pivot of described movable hold assembly is 2, lays respectively on two relative arc limits of described ellipse.
8. Paracentesis needle holder according to claim 1, it is characterized in that, described probe is provided with the positioning element with projection or recess shape, described movable hold assembly is provided with the positioning match part part with recess or convex shape that cooperates with described positioning element, described positioning element and described positioning match part part carry out when chimeric, and the recess of the projection of described positioning element or recess formed angle and described positioning match part part on chimeric direction or the formed angle of projection are different.
9. Paracentesis needle holder according to claim 8 is characterized in that described positioning element relatively is arranged on the both sides of described probe; Described positioning match part part relatively is arranged on the both sides of described movable hold assembly.
10. probe apparatus that has puncture needle, described probe apparatus has: pops one's head in, is enclosed within probe sheath, the puncture needle of probe outside and be used to install the Paracentesis needle holder of puncture needle,
Described Paracentesis needle holder, have: hold assembly, be used for the probe sheath of popping one's head in and be enclosed within outside popping one's head in is carried out clamping, described hold assembly comprises fixed clamp member and movable hold assembly, described movable hold assembly rotates by the pivot that is arranged on the fixed clamp member, open and close with respect to described fixed clamp member, it is characterized in that
The pivot of described movable hold assembly is arranged on to be seen from the cross section of described probe and to be positioned at a side that begins from the center near the end, and this movable hold assembly is in the length of the longitudinally in the cross section of described probe, be set to less than half of length of longitudinally in the cross section of described probe, make when described movable hold assembly opens and closes action with respect to fixed clamp member, and do not produce sliding friction between the described fixed clamp member.
11. Paracentesis needle holder according to claim 10 is characterized in that, described probe is that 4 bights have the approximate rectangular of radian.
12. Paracentesis needle holder according to claim 11 is characterized in that, the pivot of described movable hold assembly is arranged on the bight that radian is arranged of described probe.
13. Paracentesis needle holder according to claim 10 is characterized in that, described probe is oval.
14. Paracentesis needle holder according to claim 10, it is characterized in that, described probe is provided with the positioning element with projection or recess shape, described movable hold assembly is provided with the positioning match part part with recess or convex shape that cooperates with described positioning element, described positioning element and described positioning match part part carry out when chimeric, and the recess of the projection of described positioning element or recess formed angle and described positioning match part part on chimeric direction or the formed angle of projection are different.
15. Paracentesis needle holder according to claim 14 is characterized in that, described positioning element relatively is arranged on the both sides of described probe; Described positioning match part part relatively is arranged on the both sides of described movable hold assembly.
16. Paracentesis needle holder according to claim 15 is characterized in that, described positioning element is positioned at the asymmetrical position, both sides of described probe; The asymmetrical position, both sides that described positioning match part part is positioned at described movable hold assembly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101618321A CN101396296A (en) | 2007-09-24 | 2007-09-24 | Puncture needle seat |
| JP2008244888A JP2009072604A (en) | 2007-09-24 | 2008-09-24 | Puncture adapter and ultrasonic probe apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101618321A CN101396296A (en) | 2007-09-24 | 2007-09-24 | Puncture needle seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101396296A true CN101396296A (en) | 2009-04-01 |
Family
ID=40515307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101618321A Pending CN101396296A (en) | 2007-09-24 | 2007-09-24 | Puncture needle seat |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009072604A (en) |
| CN (1) | CN101396296A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961163A (en) * | 2012-11-30 | 2013-03-13 | 汕头市超声仪器研究所有限公司 | Ultrasonic probe |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011218016A (en) * | 2010-04-12 | 2011-11-04 | Toshiba Corp | Ultrasound probe |
| JP2022157381A (en) | 2021-03-31 | 2022-10-14 | キヤノンメディカルシステムズ株式会社 | Puncture adapter, ultrasonic probe, and ultrasonic probe unit |
-
2007
- 2007-09-24 CN CNA2007101618321A patent/CN101396296A/en active Pending
-
2008
- 2008-09-24 JP JP2008244888A patent/JP2009072604A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961163A (en) * | 2012-11-30 | 2013-03-13 | 汕头市超声仪器研究所有限公司 | Ultrasonic probe |
| CN102961163B (en) * | 2012-11-30 | 2018-04-27 | 汕头市超声仪器研究所有限公司 | A kind of ultrasonic probe |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009072604A (en) | 2009-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090401 |