CN101485584B - Disposal bidirectional navel cord cutting and protecting device - Google Patents
Disposal bidirectional navel cord cutting and protecting device Download PDFInfo
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- CN101485584B CN101485584B CN2009101149099A CN200910114909A CN101485584B CN 101485584 B CN101485584 B CN 101485584B CN 2009101149099 A CN2009101149099 A CN 2009101149099A CN 200910114909 A CN200910114909 A CN 200910114909A CN 101485584 B CN101485584 B CN 101485584B
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- umbilical cord
- umbilical
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Abstract
The invention relates to a disposable bidirectional umbilical cord cutting protection device. The device consists of an umbilical cord cutter, an umbilical cord protection pad and an umbilical cord protection cap, wherein the upper shell and the lower shell of the umbilical cord cutter are hinged with each other; a blade is arranged on a blade fixing bracket which is connected with the upper shell into a whole and is provided with a wedge-shaped lug boss and a transverse stop block; an A umbilical cord clamp and a B umbilical cord clamp are positioned by convex pins of the lower shell so as to be arranged on the outer sides of both cutting platforms of the lower shell; the inner surfaces of an upper arm and a lower arm of the A umbilical cord clamp and the B umbilical cord clamp are provided with two groups of racks which are meshed in a staggered way; one end of the upper arm and one end of the lower arm of the A umbilical cord clamp and the B umbilical cord clamp are connected into a whole through an elastic bow; a holder is positioned between a cutter groove and the A umbilical cord clamp, and is movably arranged inside a dovetail groove in the middle of the lower shell by means of a dovetail lug boss of the holder. During operation, a user can gradually clutch the cutter inserted into an umbilical cord; therefore, the blade enters the cutter groove to cut off the umbilicalcord, and the wedge-shaped lug boss extrudes the A umbilical cord clamp out of the lower shell through the holder. The disposable bidirectional umbilical cord cutting protection device can realize one-step clamping positioning, cutting and separating the umbilical cord and protecting the umbilical cord stump.
Description
Technical field
The present invention relates to a kind of obstetrics medical apparatus and instruments, particularly a kind of disposal bidirectional navel cord cutting and protecting device.
Background technology
There are following deficiency in existing disposable umbilical cord folder and scissors assembly:
1. cut off in the separating process at umbilical cord, the umbilical cord of umbilical clamp and clamping has relative motion and the tractive umbilical cord, therefore easily neonate is produced injury.
2. the disposable clip that uses at present adopts hook-type to cut out, and two groups of parallel tooth bars that do not stagger can not adapt to the thickness umbilical cord, and the easy oozing of blood of umbilical cord stump has reduced safety after the umbilical part ligation.
3. do not protect the umbilicus pad and match, may cause the infringement of umbilical clamp, increased the infected chance of neonatal umbilicus, lack health care newborn skin with the medicine cushion that is used for the postoperative care umbilical cord.
The patent of invention CN101084835A of inventor's application discloses a kind of disposable umbilical cord cutting navel-protecting device, it has overcome above-mentioned deficiency preferably, but its A umbilical clamp must because have only the single face holder, have only the A umbilical clamp just can be ejected towards the umbilicus of neonate body; Left-handed operators can't be used sickle.
Summary of the invention
The objective of the invention is further improvement and perfect, a kind of disposable umbilicus bidirectional umbilical cord cutter that protects easy and simple to handle is provided, and can protect ligation the umbilical part stump after separating to patent of invention CN101084835A; Stay neonate A that just clamps cut umbilical cord head stump or B umbilical clamp on one's body, the umbilical cord cutter that reaches that separates, clamps the umbilical clamp of Placenta Hominis end with it does not fully touch neonate, and is discarded immediately after umbilical cord is cut off; Simultaneously with protecting the umbilicus pad and protect the umbilicus medicated cap and separate umbilical clamp and avoid directly contacting, and incision is covered with protecting the umbilicus medicated cap with newborn skin; The aseptic blood volume of spattering of simple and efficient to handle, safe and reliable, health is few.
The present invention realizes by following technical proposal: the disclosed disposable umbilical cord cutting navel-protecting device of patent of invention CN101084835A, upper shell that its umbilical cord cutter dependence bearing pin is mutually hinged and lower house and the blade holder that is connected as a single entity with upper shell.The cutter groove that is installed between two Cutting platforms of blade on the blade holder and lower house is positioned at same vertical plane, and blade enters in the cutter groove to being slidingly matched.In the both sides of lower house Cutting platform, rely on protruding pin location and installation umbilical clamp A and umbilical clamp B on the lower house; One end of the upper arm of umbilical clamp A and umbilical clamp B and underarm is drawn a bow by elasticity and is connected as a single entity, and at the inner surface of upper arm and underarm, is provided with the two groups of tooth bars of engagement that stagger mutually.Holder is between cutter groove and A umbilical clamp, and the bottom of holder is provided with the dovetail projection, and the dovetail projection slides and assigns in the dovetail groove at lower house middle part, and dovetail projection and dovetail groove are shorter than the width of holder.At the middle part of blade holder, be provided with wedge near the outside of blade, the slit between blade and the holder is aimed at the tip of wedge.The opening of the upper arm of described two umbilical clamps is provided with the pressure tongue, and the side of underarm is provided with the locating hole that matches with the protruding pin of lower house, and the elasticity of upper arm is drawn a bow to hold and is provided with blend stop, too bears against the end of drawing a bow to prevent umbilical cord; Be provided with the crosspiece piece in the bottom of blade holder, be provided with and the dual-cavity of pressing tongue to match in the bottom surface of crosspiece piece.
With umbilical cord cutter supporting protect thin circle, ellipse or the quadrate ring that the umbilicus pad is a side opening, flexibility protect the umbilicus medicated cap with protect the umbilicus pad not a side of opening be connected; The skin that protects the umbilicus pad is the protective pad that adopts the soft medical material sewing of double-layer textile fabric to form, can put some medicines or other special material in the middle of it, can play the isolation umbilical clamp and directly not contact, and the effect that absorbs umbilical part secretions, keeps the newborn jaundice of umbilical part drying, prevention and treatment is arranged with newborn skin.Flexibility is protected the umbilicus medicated cap and is covered the umbilical part stump, and it is not infected to play the protection stump, and the effect of inhibiting bacteria and diminishing inflammation, hemostasis and absorption secretions is arranged.
Technical characterictic of the present invention is:
[1] the arch upper surface of described upper shell is provided with the anti-skidding ripple of curved surface, is convenient to hand-held non-sliply, is provided with guide post in the outer end of the blade holder of upper shell; In the end of upper shell, the outside of guide post is provided with the location and colludes.
[2] bottom surface of described lower house is provided with the anti-skidding prominent bar of vertical and horizontal, is convenient to hand-held non-sliply, and the hinged end of lower house is provided with and becomes 40-80 ° big leading arm with the bottom surface; The small end head of the upper shell that dependence bearing pin and lower house are hinged is slidingly matched and embeds in the middle groove of big leading arm.The both sides of small end head are provided with width greater than big leading arm) the spacing projection of middle groove, in order to the angle of turning on the restriction upper shell.
Be provided with large square groove that matches with the crosspiece piece and the little square groove that matches with the guide post termination at the middle part of lower house, the external end head of Cutting platform; Be provided with little leading arm on the lower house in the outside of little square groove, the guide post that is connected as a single entity with blade holder is slidingly matched and embeds in the middle groove of little leading arm.The lower end, the outside of little leading arm is provided with the convex that colludes interlock mutually with the location of upper shell, and when firmly hands was pinched upper shell and lower house, convex, upper shell and lower house closure were caught in the location.
[3] between cutter groove and the umbilical clamp A and between cutter groove and the umbilical clamp B holder is being housed all, the bottom of holder is provided with the dovetail projection, the dovetail projection slides and assigns in the dovetail groove at lower house middle part, and dovetail projection and dovetail groove are shorter than the width of holder, enters the cutter groove with the restriction holder.
[4] at the middle part of blade holder, all be provided with wedge near the both sides of blade, the slit between blade and the holder is aimed at the tip of wedge.
[5] opening of the upper arm of described two umbilical clamps is provided with the trip of band triangle tooth bar, the opening of the underarm of two umbilical clamps be provided with groove and be positioned at its, triangle tooth plate that can be engaged with the triangle tooth bar of trip.
The doctor can stand in the left side or the right side of operating-table, holds umbilical cord cutter with the left hand or the right hand, presses down upper shell, drives the crosspiece piece and moves down, and locate the pressure tongue that blocks and press down umbilical clamp A and umbilical clamp B by its dual-cavity, closes two umbilical clamps; Continue to press down upper shell, drive the large square groove that the lower house middle part is gone in pressure tonguing that the crosspiece piece slips over umbilical clamp, guide post enters little square groove; Guarantee the upper arm and the underarm of upper shell and lower house and umbilical clamp, in closing course, do not depart from the centering interlock.At this moment, the trip of the band triangle tooth bar of two umbilical clamp upper arm inserts the groove of underarm, and the interior triangle tooth plate of triangle tooth bar and groove is engaged, and along with the increase of their engaged width up and down, two umbilical clamp upper arm and underarm just hold tight more to umbilical cord.Meanwhile, the inclined-plane of the wedge on the blade holder begins to clamp-on the sideshake between holder and the blade, by holder umbilical clamp A and umbilical clamp B is extruded lower house.Stay a neonate umbilical clamp just clamping cut umbilical cord head on one's body, the umbilical cord cutter that separates, clamps the Placenta Hominis end with this umbilical clamp does not fully touch neonate with another umbilical clamp, and is discarded immediately; After being cut off, umbilical cord separates umbilical clamp directly and contact skin and incision covered with protecting the umbilicus pad and protecting the umbilicus medicated cap simultaneously; The aseptic blood volume of spattering of simple and efficient to handle, safe and reliable, health is few.
The invention has the beneficial effects as follows:
1. it provides a kind of simple and practical disposable umbilical cord cutting and separating device and the umbilical part stump after separating is protected, as long as one-handed performance umbilical cord cutting and separating device just can be realized clamping and positioning, cutting, separation, protection to umbilical cord; Make that the operating process of delivering a child is simple and efficient, safe and reliable, the aseptic blood volume of spattering of health is few; And will spatter the neonatal chance of blood, umbilicus infection and injury and reduce to minimum.Particularly improved the safety that umbilical clamp clamps and reduced involving in cutting umbilical cord and the process of separating umbilical clamp neonate end umbilical cord, increased protecting the umbilicus pad, protecting protection such as umbilicus medicated cap health care adnexa of postoperative care umbilical cord, thereby avoided the infringement of the infection of umbilical cord stump and umbilical clamp to neonatal umbilicus skin, remedy existing disposable umbilical cord and pressed from both sides the tooth bar that do not stagger, cause folder not tight, cause the drawback of umbilical cord oozing of blood.
2. upper shell of the present invention adopts the arch upper surface that is provided with the anti-skidding ripple of curved surface, and the be more convenient for left hand or the right hand are hold by one hand.
3. the both sides near blade all are provided with wedge and holder), the doctor can stand in the left side or the right side of operating-table, holds umbilical cord cutter with left hand or right hand one hand, can finish operation.
4. the trip of the band triangle tooth bar of two umbilical clamp upper arm inserts the groove of underarm, and the triangle tooth plate in triangle tooth bar and the groove is engaged, and the trip insertion is dark more, and two umbilical clamp upper arm and underarm just hold tight more to umbilical cord.
Description of drawings
Fig. 1 is the structural representation of umbilical cord cutter.
Fig. 3 is the structural representation of lower house.
Fig. 2 is the upward view of Fig. 3.
Fig. 4 is the E-E cutaway view of Fig. 3.
Fig. 5 is the F-F cutaway view of Fig. 3.
Fig. 7 is the structural representation of upper shell.
Fig. 6 is the right view of Fig. 7.
Fig. 8 is the vertical view of Fig. 7.
Figure 10 is the structural representation of umbilical clamp.
Fig. 9 is the right view of Figure 10.
Figure 11 is the G portion enlarged drawing of Figure 10.
Figure 12 is the H portion enlarged drawing of Figure 10.
Figure 13 is the structural representation of holder.
Figure 14 is the K-K cutaway view of Figure 13.
Figure 15 is the sketch map of laying that protects the umbilicus pad.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
Shown in Fig. 1-14: the disposable umbilicus bidirectional umbilical cord cutter that protects, upper shell 1 and lower house 9 rely on bearing pin 15 mutually hinged; The arch upper surface of upper shell 1 is provided with the anti-skidding ripple M of curved surface, is convenient to hand-held non-slip.The outer end of the blade holder 19 that is connected as a single entity with upper shell 1 is provided with guide post 3, in the end of upper shell 1, the outside of guide post 3 is provided with the location and colludes 2.Be installed in and blade holder 19 that upper shell 1 is connected as a single entity on blade 18 and the cutter groove 23 between two Cutting platforms 21 of lower house 9 be positioned at same vertical plane, blade 18 enters in the cutter groove 23 to being slidingly matched.
The bottom surface of lower house 9 is provided with the anti-skidding prominent bar N of vertical and horizontal, is convenient to hand-held non-slip.The hinged end of lower house 9 is provided with and becomes 60 ° big leading arm 16 with the bottom surface, relies on the small end head 20 of the hinged upper shell 1 of bearing pin 15 and lower house 9 to be slidingly matched and embeds in the middle groove of big leading arm 16; The both sides of small end head 20 are provided with the spacing projection T of width greater than the middle groove of big leading arm 16, in order to the angle of turning on the restriction upper shell 1.
Be provided with large square groove 12 that matches with crosspiece piece 4 and the little square groove 11 that matches with guide post 3 terminations at the middle part of lower house 9, the external end head of Cutting platform 21; Be provided with little leading arm 8 on the lower house 9 in the outside of little square groove 11, the guide post 3 that is connected as a single entity with blade holder 19 is slidingly matched and embeds in the middle groove of little leading arm 8; The lower end, the outside of little leading arm 8 is provided with the location of upper shell and colludes 2 convexes 10 of interlock mutually, and when firmly hands was pinched upper shell and lower house, the location was colluded 2 and caught on convex 10, makes upper shell 1 and lower house 9 closed and locked.
In the both sides of lower house Cutting platform 21, rely on protruding pin 22 location and installation umbilical clamp A and umbilical clamp B on the lower house 9; The upper arm 25 of umbilical clamp A and umbilical clamp B is connected as a single entity by elasticity tortuous bow 28 with an end of underarm 26, at the inner surface of upper arm 25 with underarm 26, is provided with the two groups of tooth bars 6 of engagement that stagger mutually.Between cutter groove 23 and the umbilical clamp A and between cutter groove 23 and the umbilical clamp B holder D is being housed all, the bottom of holder D is provided with dovetail projection 31, dovetail projection 31 slides and assigns in the dovetail groove 14 at lower house 9 middle parts, dovetail projection 31 and dovetail groove 14 are shorter than the width of holder D, enter the cutter groove with the restriction holder.At the middle part of described blade holder 19, all be provided with wedge 17 near the both sides of blade 18, the slit between blade 18 and the holder D is aimed at the tip of wedge 17.
The opening of underarm 26 that the opening of the upper arm 25 of two umbilical clamps is provided with 5, two umbilical clamps of trip of band triangle tooth bar 29 be provided with groove 7 and be positioned at its, can with the rake tooth of trip (29 engaged triangle tooth plates 30.The opening of the upper arm 25 of two umbilical clamps is provided with presses tongue 24, and the side of underarm 26 is provided with the locating hole 13 that matches with the protruding pin 22 of lower house.The elasticity of upper arm 25 is drawn a bow to hold and is provided with blend stop 27, too bears against the end of drawing a bow to prevent umbilical cord.Be provided with crosspiece piece 4 in the bottom of blade holder 19, be provided with in the bottom surface of crosspiece piece 4 and the dual-cavity C that presses tongue 24 to match.
During use, the doctor can stand in the left side or the right side of operating-table, holds open umbilical cord cutter with the left hand or the right hand, umbilical cord is put on the tooth bar 6 of umbilical clamp A and umbilical clamp B underarm, and blend stop 27 can prevent that umbilical cord from too bearing against the end of drawing a bow.Because tooth bar 6 staggers mutually, and fluted separating in the middle of it, the upper arm 25 of two clips also has corresponding tooth bar and groove, can guarantee that therefore the whole process umbilical cord of delivering a child by the clamping of safety, avoids hemorrhage.After putting umbilical cord well, the anti-skidding ripple M position of holding and exerting pressure and progressively clutching upper shell 1 and lower house 9.The dual-cavity C of crosspiece piece 4 bottom surfaces that are connected as a single entity with upper shell blade holder 19 blocks and presses down the pressure tongue 24 of two umbilical clamp upper arm 25, promotes upper arm 25 to underarm 26 motions, and the tooth bar 6 in the last underarm of two umbilical clamps is drawn close engagement mutually.The trip 5 of the band triangle tooth bar 29 of two umbilical clamp upper arm 25 inserts the groove 7 of underarm 26, triangle tooth bar 29 is engaged with the triangle tooth plate 30 in the groove 7, along with the increase of their engaged width up and down, two umbilical clamp upper arm 25 and 26 pairs of umbilical cords of underarm just hold tight more.This moment, blade 18 did not cut umbilical cord as yet, continued to press down upper shell 1, and blade 18 begins to cut and is clipped in two umbilicus bands between the umbilical clamp; Further press down upper shell 1, drive crosspiece piece 4 and slip in the big draw-in groove 12 that umbilical cord cramping tongue 24 enters the lower house middle part; Insert in the little square groove 11 guide post 3 terminations, by draw-in groove 12 and guide post 3 guide-localizations; Guarantee the upper arm 25 and underarm 26 of upper shell 1 and lower house 9 and umbilical clamp, in closing course, do not depart from the centering interlock.
Cross when pressing tongue 24 when crosspiece piece 4, blade 18 enters cutter groove 23, disposable cut-out that umbilical cord is neat on Cutting platform 21.After cutting off umbilical cord, blade 18 continues to move downward, the inclined-plane of the wedge 17 on the blade holder begins to clamp-on the holder D of both sides and the sideshake between the blade 18, and with the side that holder D presses to umbilical clamp A and umbilical clamp B, up to holder D umbilical clamp A and umbilical clamp B is extruded lower house 9.The umbilical clamp A and the umbilical clamp B that clamp cut umbilical cord head stump separate fully with umbilical cord cutter, wherein stay on one's body the neonate near a umbilical clamp of umbilicus.At this moment, the trip 2 of upper shell 1 catches on the convex 10 of lower end, little leading arm 8 outside, makes upper shell 1 and lower house 9 closed and locked; And the Placenta Hominis of clamping with another umbilical clamp is discarded immediately.
Embodiment 2
As shown in figure 15: with umbilical cord cutter supporting protect thin circle, ellipse or the quadrate hollow ring that umbilicus pad 32 is side openings, it and the skin that protects umbilicus medicated cap 33 all use the soft medical material of flexible web to make; After umbilical cord is cut off, be positioned over and stay under the neonate umbilical clamp on one's body with protecting umbilicus pad 32, and surround umbilical cord stump one circle, cover with protecting 33 pairs of incision of umbilicus medicated cap.The heart that protects umbilicus pad 32 is with containing the protective pad that particular matter or medicine are made, playing the isolation umbilical clamp does not directly contact with newborn skin, and have and absorb umbilical part secretions, keep the exsiccant effect of umbilical part, simultaneously can accelerate coming off of umbilical cord, special material or medicine also can promote the neonate digestive and absorptive functions, accelerate the discharge of neonatal bilirubin, prevent and treat the effect of newborn jaundice.
Claims (2)
1. disposal bidirectional navel cord cutting and protecting device is by bidirectional umbilical cord cutter, protect umbilicus pad (32) and protect umbilicus medicated cap (33) and form; Described umbilical cord cutter comprises the blade holder (19) that relies on the mutually hinged upper shell (1) of bearing pin (15) and lower house (9) and be connected as a single entity with upper shell (1), the cutter groove (23) that is installed between two Cutting platforms (21) of blade (18) on the blade holder (19) and lower house (9) is positioned at same vertical plane, and blade (18) enters in the cutter groove (23) to being slidingly matched; In the outer both sides of lower house Cutting platform (21), rely on protruding pin (22) location and installation first umbilical clamp (A) and second umbilical clamp (B) on the lower house (9); The upper arm (25) of first umbilical clamp (A) is connected as a single entity by elasticity tortuous bow (28) with an end of underarm (26), and the upper arm (25) of second umbilical clamp (B) is connected as a single entity by elasticity tortuous bow (28) with an end of underarm (26); At the inner surface of upper arm (25), be provided with the two groups of tooth bars (6) of engagement that stagger mutually with underarm (26); Between described cutter groove (23) and first umbilical clamp (A) and between cutter groove (23) and second umbilical clamp (B) holder (D) is being housed all, the bottom of holder (D) is provided with dovetail projection (31), dovetail projection (31) slides and assigns in the dovetail groove (14) at lower house (9) middle part, and dovetail projection (31) and dovetail groove (14) are shorter than the width of holder (D); At the middle part of blade holder (19), be provided with wedge (17) near the both sides of blade (18), the slit between blade (18) and the holder (D) is aimed at the tip of wedge (17); The opening of the upper arm of described two umbilical clamps (25) is provided with presses tongue (24), and the side of underarm (26) is provided with the locating hole (13) that matches with the protruding pin (22) of lower house, and the elasticity of upper arm (25) is drawn a bow to hold and is provided with blend stop (27); Be provided with crosspiece piece (4) in the bottom of blade holder (19), be provided with in the bottom surface of crosspiece piece (4) and the dual-cavity (C) of pressing tongue (24) to match; With umbilical cord cutter supporting protect thin circle, ellipse or the quadrate ring that umbilicus pad (32) is a side opening, flexibility protect umbilicus medicated cap (33) with protect umbilicus pad (32) not a side of opening be connected; The opening that protects the umbilicus pad is inserted in umbilical cord stump, and umbilical clamp and newborn skin are separated, and avoids umbilical clamp directly to contact with newborn skin, and with protecting the umbilicus medicated cap incision is covered;
It is characterized in that:
[1] is provided with the guide post (3) that is connected as a single entity with blade holder (19) in the outer end of the blade holder (19) of described upper shell (1); In the end of upper shell (1), the outside of guide post (3) is provided with the location and colludes (2);
[2] hinged end of described lower house (9) is provided with and becomes 40-80 ° big leading arm (16) with the bottom surface, and the small end head (20) of upper shell (1) is slidingly matched and embeds in the middle groove of big leading arm (16); The both sides of small end head (20) are provided with the spacing projection (T) of width greater than the middle groove of big leading arm (16); Be provided with large square groove (12) that matches with crosspiece piece (4) and the little square groove (11) that matches with guide post (3) termination at the middle part of lower house (9), the external end head of Cutting platform (21); Be provided with little leading arm (8) on the lower house (9) in the outside of little square groove (11), guide post (3) is slidingly matched and embeds in the middle groove of little leading arm (8); The lower end, the outside of little leading arm (8) is provided with the location of upper shell and colludes (2) convex of interlock (10) mutually;
[3] opening of the upper arm of described two umbilical clamps (25) is provided with the trip (5) of band triangle tooth bar (29), the opening of the underarm of two umbilical clamps (26) be provided with groove (7) and be positioned at its, triangle tooth plate (30) that can be engaged with the triangle tooth bar (29) of trip.
2. disposal bidirectional navel cord cutting and protecting device according to claim 1 is characterized in that: the arch upper surface of described upper shell (1) is provided with the anti-skidding ripple of curved surface (M), and the bottom surface of described lower house (9) is provided with the anti-skidding prominent bars of vertical and horizontal (N).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101149099A CN101485584B (en) | 2009-02-06 | 2009-02-06 | Disposal bidirectional navel cord cutting and protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101149099A CN101485584B (en) | 2009-02-06 | 2009-02-06 | Disposal bidirectional navel cord cutting and protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101485584A CN101485584A (en) | 2009-07-22 |
| CN101485584B true CN101485584B (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101149099A Expired - Fee Related CN101485584B (en) | 2009-02-06 | 2009-02-06 | Disposal bidirectional navel cord cutting and protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101485584B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101856253B (en) * | 2010-06-22 | 2011-08-31 | 曾维著 | One-time bidirectional umbilical cord cutter |
| CN105147352B (en) * | 2015-09-29 | 2018-03-13 | 杭州语奥生物科技有限公司 | A kind of guide rail infers two-way clip umbilical cord cutter |
| CN111000610B (en) * | 2019-12-23 | 2022-08-30 | 郭云霞 | Clinical navel cord knotter of gynaecology and obstetrics |
-
2009
- 2009-02-06 CN CN2009101149099A patent/CN101485584B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101485584A (en) | 2009-07-22 |
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