CN2572923Y - Adjustable blood taking pencil - Google Patents
Adjustable blood taking pencil Download PDFInfo
- Publication number
- CN2572923Y CN2572923Y CN 02269018 CN02269018U CN2572923Y CN 2572923 Y CN2572923 Y CN 2572923Y CN 02269018 CN02269018 CN 02269018 CN 02269018 U CN02269018 U CN 02269018U CN 2572923 Y CN2572923 Y CN 2572923Y
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- cover
- shank
- stationary housing
- housing
- bar
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Abstract
The utility model discloses an adjustable type blood sampling pen, which belongs to medical equipment. The utility model mainly solves the problem that the subcutaneous depth which is penetrated by a needle head is not adjustable under the condition of sampling blood at present. The utility model comprise a needle rod, the front part of which is provided with a disposable needle head, wherein, the outer surface of the needle rod is respectively sheathed with a rod sleeve and a pulling sleeve. A first spring is arranged between the end of the rod sleeve and the middle part of the needle rod. A second spring is arranged between the end of the pulling sleeve and the end of the needle rod. A front and a back shell bodes are respectively arranged on the rod sleeve. The utility model is characterized in that the front shell body is composed of a fixed shell body, a regulating sleeve, a stroke selecting button and a front cover, wherein, a cam gearing with a cylindrical surface is arranged between the fixed shell body and the regulating sleeve in order to regulate the subcutaneous depth which is penetrated by the needle head. The utility model has the advantages of scientific structure and safety, and is suitable for blood chemical examination in medical institutions.
Description
Affiliated technical field
This utility model relates to a kind of medical blood-taking device, particularly can adjust the manual ejection type blood collecting pen that thrusts subcutaneous depth.
Technical background
In order to reduce patient's misery, avoid many people of syringe needle to intersect contacting of use and medical worker and syringe needle, the blood-taking device of traditional blood sampling mode has appearred being different from the market, this kind device has the lancet holder of spring-loaded interior dress disposable aspiration needle, what this support slided is installed in the housing, and the mechanism that lancet is stung out in its preparation is the slide block in the slit that is installed on the back casing.But because the age and the figure of user is different, syringe needle thrusts the degree of depth of skin should be not identical yet, and general blood-taking device does not provide enough choices in this respect, and yet complexity comparatively of the slide block structure that pierces through preparation, is unfavorable for reducing product cost.
Summary of the invention
At the deficiency that above-mentioned prior art exists, the purpose of this utility model provides a kind ofly can select different penetration depths according to individual concrete condition, and lower-cost blood collecting pen simple in structure.
Main technical schemes of the present utility model is: the adjustable blood collecting pen of this kind, comprise forward and backward housing, place in the housing and the anterior shank that disposable aspiration needle is housed, the outside of shank is with the adaptive bar cover of arranged side by side, that can slide and terminal endoporus and shank rear shape thereon and helps pull a cart, between bar cover end and the shank middle part first spring is housed, help pull a cart and between terminal and the shank end second spring is housed, forward and backward housing is installed in bar respectively and puts, and is provided with the press-button structure that cooperates with shank on lasso; Procapsid selects button and protecgulum to form by stationary housing, adjustment cover, stroke; Stationary housing is threaded onto bar and overlaps on the forward external screw thread, its front appearance is a taper seat, the middle part profile is a periphery, one skewed slot is arranged on this periphery, inner surface at stationary housing also is provided with the circular protrusions that matches and can slide with skewed slot within it, skewed slot one side has an axial double wedge relatively, and this double wedge matches with a plurality of axial notches of adjusting the cover rear inner surface; Outer surface indicates a plurality of gears and inner surface has the stroke of a bar shaped double wedge to select button to be sleeved on and to adjust cover one end by the axial notch of adjusting cover that is arranged on that matches with described bar shaped double wedge; It is split type for left-right symmetric to adjust cover, and preceding, the middle part outer surface of its inner surface and stationary housing is for being slidingly matched, and matches with the bowl-type protecgulum of center band through hole in the front portion; On stationary housing, be provided with and the corresponding cue mark of gear.
For simplified structure to reduce cost, helping pull a cart is positioned at back casing, and closely cooperates with the inner surface at back casing rear portion.
For ease of adjusting the depth that syringe needle thrusts skin, adjusting cover middle part appearance is multiple edge body.Rotate the multiple edge body part of adjusting cover, the circular protrusions of this cover inner surface is slided in the skewed slot of stationary housing, the position of adjusting cover relative fixed housing is changed, and corresponding each gear has a groove on the adjustment cover inner surface and cooperates with the double wedge of stationary housing.Stationary housing arrow indication stroke selects each gear of button that the depth of needling of one correspondence is all arranged.
Operate for ease of holding this pen, the stationary housing lateral symmetry is provided with the arcuate groove of being convenient to hand in cue mark.Pierce through and pull back back casing when preparing, back casing drives compression second spring earlier of helping pull a cart, and promotes the shank end again and pulls back to desired location, and the back back casing of loosing one's grip automatically resets under the effect of second spring.This kind structure is comparatively simple.
The beneficial effects of the utility model are: because this kind blood collecting pen is provided with the penetration depth adjusting device on its procapsid, can adapt to the blood sampling needs of different crowd.Back casing has the function that puncture is prepared concurrently, has simplified design, has reduced cost.This product with compact structure, easy to operate, the patient does not have pain, avoid cross infection, be easy to promote.
Description of drawings
Be elaborated below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the front view of stationary housing;
Fig. 3 is the principal section figure that cover is adjusted on a left side;
Fig. 4 is the left view that cover is adjusted on a left side;
Fig. 5 is the right view that cover is adjusted on a left side;
Fig. 6 is the right front view of adjusting cover;
Fig. 7 selects the front view of button for stroke;
Fig. 8 selects the right view of button for stroke.
In the drawings, 1-syringe needle, 2-shank, 3-bar cover, 4-helps pull a cart, 5-first spring, 6-second spring, 7-back casing, the 8-procapsid, 9-lasso, 10-button, 11-fixture block, the 12-stationary housing, 13-adjusts cover, and the 14-stroke selects button, the 15-protecgulum, the 16-skewed slot, 17-double wedge, 18-projection, the 19-axial notch, 20-groove, 21-bar shaped double wedge.
The specific embodiment
In Fig. 1, this kind blood collecting pen, comprise that disposable aspiration needle 1 is equipped with in the front portion, the postmedian cross section is respectively cross and rectangle cross section and terminal to two side-prominent shanks 2, the outside of shank is with the adaptive bar cover 3 of arranged side by side, that can slide and terminal endoporus and shank rear shape respectively thereon and helps pull a cart 4, between the end of bar cover 3 and the middle part of shank 2 first spring 5 that shank is pushed away forward is housed, be equipped with between the end of help pull a cart 4 end and shank 2 with shank to pusher second spring 6.Thread connection is adopted in the front portion of procapsid and bar cover 3.Back casing 7 is enclosed within the outside at the rear portion of bar cover 3, and its rear portion endoporus cooperates tightr with 4 the external diameter of helping pull a cart.Before and after have between the housing sky to be enclosed within lasso 9 on the bar cover 3, the button 10 that floats is arranged on the lasso 9, below unsteady button 10, have one to be embedded in bar and to overlap fixture block 11 in 3 slits.When the puncture before doing to take a blood sample is prepared, pull back back casing, back casing drives compression second spring earlier of helping pull a cart, then thrust is gone at the terminal of shank and after promoting shank, the first spring compressive deformation in the row process behind shank, fall into breach on the shank until fixture block, this moment, two springs were all saved up strength to start out.When the blood sampling puncture, as long as press unsteady button, this button acts on the front end of fixture block, the other end of fixture block so perk, this moment, shank was removed spacing, the first stronger spring of carrying strength promotes shank rapidly to preshoot, before shank arrives final stroke, and the second spring pressurized, when shank arrives predetermined stroke, the entrained disposable aspiration needle of shank passes the endoporus of procapsid and finishes puncture, and simultaneously, second spring pushes back shank.After finishing blood sampling, unload procapsid, syringe needle is aimed at litter receptacle, repeat aforesaid blood sampling preparation and blood sampling action again, syringe needle can be backed off.Operate for ease of holding this pen, the stationary housing lateral symmetry is provided with the arcuate groove of being convenient to hand in cue mark.
Procapsid selects button 14 and protecgulum 15 to form by stationary housing 12, adjustment cover 13, stroke.The front portion of adjusting cover 13 closely cooperates mutually with the bowl-type protecgulum 15 of center band through hole, and stroke selects button 14 to be enclosed within the outside at the rear portion of adjusting cover 13.
For convenient for assembly, adjusting cover 13 is that left-right symmetric is split type.Its inner surface matches with preceding, the middle part outer surface of stationary housing; The two ends of outer surface are cylinder, and the mode of sticking rubber circle also can be adopted for ease of the multiple edge body of hand-held rotation in the middle part.Fig. 3-Figure 5 shows that adjusts on a left side structure of cover, the middle part of its inner surface have one apart from its big end distance from corresponding to the circular protrusions 18 of skewed slot to the distance of its adjacent face end far away, and the outer surface of position that mutually should projection has an axial notch 19.Fig. 6 is the right front view of adjusting cover, on itself and the corresponding inner surface of chute length uniform five with stationary housing 12 on the groove 20 that matches of double wedge 17.
Fig. 7 has reflected that stroke selects the shape and the structure of button 14.Stroke selects button 14 inner surfacies that one bar shaped double wedge 21 is arranged, and this double wedge is adaptive with the axial notch 19 of adjusting cover 13 rear portions; Indicate five gears on its outer surface.
The as can be seen from Figure 1 assembly relation of four parts under the procapsid.When stroke selects first grade of button to aim at arrow, the skewed slot that the projection of adjusting cover just in time drops on stationary housing foremost, this moment, the penetration depth of syringe needle was the most shallow, rotate and adjust the gear number rising that cover makes arrow points, adjust the projection of cover slides along skewed slot thereupon, and the adjustment cover is moved backward along the stationary housing surface, then the penetration depth of syringe needle is dark more.Correspondingly, at each gear of arrow indication, the right inner surface of adjusting cover all has the double wedge on a groove and the stationary housing stationary housing to match, to limit their mutual positions.
Claims (4)
1, a kind of adjustable blood collecting pen, comprise forward and backward housing, place in the housing and the anterior shank that disposable aspiration needle is housed, the outside of shank is with the adaptive bar cover of arranged side by side, that can slide and terminal endoporus and shank rear shape thereon and helps pull a cart, between bar cover end and the shank middle part first spring is housed, help pull a cart and between terminal and the shank end second spring is housed, forward and backward housing is installed in bar respectively and puts, be provided with the press-button structure that cooperates with shank on lasso, it is characterized in that: procapsid selects button and protecgulum to form by stationary housing, adjustment cover, stroke; Stationary housing is threaded onto bar and overlaps on the forward external screw thread, its front appearance is a taper seat, the middle part profile is a periphery, one skewed slot is arranged on this periphery, inner surface at stationary housing also is provided with the circular protrusions that matches and can slide with skewed slot within it, skewed slot one side has an axial double wedge relatively, and this double wedge matches with a plurality of axial notches of adjusting the cover rear inner surface; Outer surface indicates a plurality of gears and inner surface has the stroke of a bar shaped double wedge to select button to be sleeved on and to adjust cover one end by the axial notch of adjusting cover that is arranged on that matches with described bar shaped double wedge; It is split type for left-right symmetric to adjust cover, and preceding, the middle part outer surface of its inner surface and stationary housing is for being slidingly matched, and matches with the bowl-type protecgulum of center band through hole in the front portion; On stationary housing, be provided with and the corresponding cue mark of gear.
2, adjustable blood collecting pen according to claim 1 is characterized in that: helping pull a cart is positioned at back casing, and closely cooperates with the inner surface at back casing rear portion.
3, adjustable blood collecting pen according to claim 1 and 2 is characterized in that: adjusting cover middle part appearance is multiple edge body.
4, adjustable blood collecting pen according to claim 3, it is characterized in that: the stationary housing lateral symmetry is provided with arcuate groove in cue mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02269018 CN2572923Y (en) | 2002-08-23 | 2002-08-23 | Adjustable blood taking pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02269018 CN2572923Y (en) | 2002-08-23 | 2002-08-23 | Adjustable blood taking pencil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2572923Y true CN2572923Y (en) | 2003-09-17 |
Family
ID=33734338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02269018 Ceased CN2572923Y (en) | 2002-08-23 | 2002-08-23 | Adjustable blood taking pencil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2572923Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257850B (en) * | 2005-09-03 | 2010-07-14 | 霍夫曼-拉罗奇有限公司 | Hand-held device for producing a hole on the skin |
| CN102014747B (en) * | 2008-03-07 | 2012-11-14 | 贝克顿·迪金森公司 | Safety blood collection assembly with indicator |
| CN106806986A (en) * | 2017-03-27 | 2017-06-09 | 深圳市纬安共创生物科技有限公司 | A kind of micropin plantation hand tool of adjustable gear |
| CN107854129A (en) * | 2017-10-23 | 2018-03-30 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen of the rearmounted regulation of paracentesis depth |
| CN108209985A (en) * | 2018-02-11 | 2018-06-29 | 贵阳中医学院 | A kind of semi-automatic acne needles easy to use |
-
2002
- 2002-08-23 CN CN 02269018 patent/CN2572923Y/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257850B (en) * | 2005-09-03 | 2010-07-14 | 霍夫曼-拉罗奇有限公司 | Hand-held device for producing a hole on the skin |
| CN102014747B (en) * | 2008-03-07 | 2012-11-14 | 贝克顿·迪金森公司 | Safety blood collection assembly with indicator |
| CN106806986A (en) * | 2017-03-27 | 2017-06-09 | 深圳市纬安共创生物科技有限公司 | A kind of micropin plantation hand tool of adjustable gear |
| CN106806986B (en) * | 2017-03-27 | 2023-12-29 | 深圳市纬安共创生物科技有限公司 | Microneedle planting hand utensil of adjustable gear |
| CN107854129A (en) * | 2017-10-23 | 2018-03-30 | 苏州施莱医疗器械有限公司 | A kind of blood collecting pen of the rearmounted regulation of paracentesis depth |
| CN108209985A (en) * | 2018-02-11 | 2018-06-29 | 贵阳中医学院 | A kind of semi-automatic acne needles easy to use |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20050223 Decision number of declaring invalidation: 6888 |