CN210616596U - Device for preparing umbilical cord section - Google Patents

Device for preparing umbilical cord section Download PDF

Info

Publication number
CN210616596U
CN210616596U CN201921458835.6U CN201921458835U CN210616596U CN 210616596 U CN210616596 U CN 210616596U CN 201921458835 U CN201921458835 U CN 201921458835U CN 210616596 U CN210616596 U CN 210616596U
Authority
CN
China
Prior art keywords
container
umbilical cord
opening
preparing
blade
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921458835.6U
Other languages
Chinese (zh)
Inventor
章毅
伍婷
陈侃俊
陈亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Stem Cell Group Shanghai Biotechnology Co Ltd
Chongqing Stem Cell Technology Co Ltd
China Stem Cell Group Affiliated Stem Cell Hospital
Sanya Stem Cell Technology Co Ltd
Shaanxi Stem Cell Technology Co Ltd
Shanghai Stem Cell Technology Co Ltd
Suzhou Stem Cell Technology Co Ltd
Original Assignee
China Stem Cell Group Shanghai Biotechnology Co Ltd
Chongqing Stem Cell Technology Co Ltd
China Stem Cell Group Affiliated Stem Cell Hospital
Sanya Stem Cell Technology Co Ltd
Shaanxi Stem Cell Technology Co Ltd
Shanghai Stem Cell Technology Co Ltd
Suzhou Stem Cell Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Stem Cell Group Shanghai Biotechnology Co Ltd, Chongqing Stem Cell Technology Co Ltd, China Stem Cell Group Affiliated Stem Cell Hospital, Sanya Stem Cell Technology Co Ltd, Shaanxi Stem Cell Technology Co Ltd, Shanghai Stem Cell Technology Co Ltd, Suzhou Stem Cell Technology Co Ltd filed Critical China Stem Cell Group Shanghai Biotechnology Co Ltd
Priority to CN201921458835.6U priority Critical patent/CN210616596U/en
Priority to CN202020210661.8U priority patent/CN211890939U/en
Application granted granted Critical
Publication of CN210616596U publication Critical patent/CN210616596U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)

Abstract

A device for preparing an umbilical cord section comprises a container, a cover body and a cutter body, wherein the cover body covers the bottom surface of one end of the container, and the blade part of the cutter body is positioned in a container cavity, moves towards a notch on the side wall of the container under the action of external force, gradually approaches the outer side wall of the container cavity and cuts an umbilical cord in the container cavity; meanwhile, the cover body which is covered on the bottom surface of one end of the container and is connected with the cutter body is opened under the action of the cutter body, and the opening of the end of the container is exposed, so that the cut umbilical cord section is discharged from the opening of the end of the container; the external force is removed, and the blade part of the cutter body is returned to the cavity of the container; meanwhile, the cover body connected with the cutter body closes the opening at one end of the container and covers the bottom surface at one end of the container. The device provided by the utility model, can gain the umbilical cord section of length homogeneous, the tangent plane levels, and the position that huatong glued is easily discerned, still does benefit to the standardization that realizes huatong glue and umbilical cord mesenchymal stem cell preparation.

Description

Device for preparing umbilical cord section
Technical Field
The utility model relates to a method for preparing biological material, in particular to a method and a device for preparing an umbilical cord section by shearing an umbilical cord, and application of separating and preparing Wharton jelly in umbilical cord tissues and preparing umbilical cord mesenchymal stem cells.
Background
The umbilical cord is the connective structure between the fetus and the placenta. It is in the shape of rope, has smooth and transparent surface, contains connective tissue, an umbilical vein and a pair of umbilical arteries. Cord blood stem cells can be isolated from blood contained in the umbilical cord of a newborn, and cord mesenchymal stem cells can be isolated from connective tissue.
In the preparation process of the umbilical cord mesenchymal stem cells, the whole umbilical cord is firstly separated and broken into small sections with the length of about 1 cm-3 cm, and then the Huatong glue is stripped from the small sections. The umbilical cord is usually cut along the umbilical vein, after the umbilical cord is unfolded, the umbilical vein and two umbilical arteries are scraped off by a scalpel, the outermost membrane of the umbilical cord is removed by the scalpel, and the remaining white jelly-like substance is the huatong glue. Then the Wharton jelly is cut into pieces and digested to separate and obtain the umbilical cord mesenchymal stem cells.
Currently, the cutting of the umbilical cord into small pieces is performed with forceps and scissors in an open space. Because the umbilical cord is long-strip-shaped, the tissue texture is hard and smooth, the existing mode is not only difficult to operate, but also easy to slip, the umbilical cord is difficult to clamp by using forceps, the obtained umbilical cord has different lengths and uneven section, the position of the Wharton jelly is not easy to expose, the subsequent operation of peeling off the Wharton jelly is difficult, and the implementation efficiency is lower.
The utility model patent 201320295292.7 discloses a navel cord presss from both sides and cuts ware, it is big to have the clamping face, and the centre gripping is firm, the characteristics of the operation of the difficult skidding and the shearing of being convenient for, and it includes base, gland, and both are fixed through the pivot, and the base upside is equipped with the square groove, and the gland downside is equipped with the elliptical column, and the elliptical column major axis is unanimous with gland length direction, and the square groove width is greater than the major axis of elliptical column, and the base both ends are equipped with the locating hole, and the gland both ends are.
Utility model patent 201621090405X discloses an umbilical cord tissue shearing mechanism, and cutting edge part turns up a certain angle of rolling over, more accords with the human mechanics characteristics, has improved the convenience of use, has increased cutting edge quantity simultaneously, has improved shearing efficiency greatly. The novel screwdriver comprises two hinged handles, wherein front and back tool bits which are matched with each other are arranged at the upper ends of the handles respectively, the front parts of the tool bits are provided with blade parts which are turned upwards at a certain angle, and at least two blade parts are arranged on the front and back tool bits respectively.
The prior art provides a plurality of technical schemes for clamping and shearing the umbilical cord, but the technical schemes are similar to the modes of tweezers and scissors, and are generally implemented by two instruments, so that the instruments are independent and lack of cooperation in operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of preparation navel cord section accomplishes the centre gripping of navel cord and cuts in an apparatus, obtains the navel cord section of unified length, does benefit to the operation of peeling off of follow-up huatong glue.
Another object of the utility model is to provide a device of preparation umbilical cord section makes huatong glue the position in the umbilical cord be convenient for discern, does benefit to follow-up huatong glue's the operation of peeling off.
The utility model also provides a device of preparation umbilical cord section, include:
a first container having both ends open for accommodating an umbilical cord;
a second container disposed below the first container and including a first opening and a second opening, the first opening communicating with the opening of the first container, an upper end surface of the first opening being not in contact with a lower end surface of the first container, a shear space being provided therebetween;
the first cutter body comprises a first cutting part, a first connecting part and a first handle part, the first cutting part is arranged in the shearing space, the first handle part is arranged outside the side wall of the first container or outside the side wall of the second container, and the first connecting part is used for driving the first cutting part to move in the shearing space;
the second cutter body comprises a second blade part, a second connecting part and a second handle part, the second blade part is arranged in the shearing space, the second handle part is arranged outside the side wall of the first container or outside the side wall of the second container, and the second connecting part is used for driving the second blade part to move in the shearing space;
the cover body comprises a body and a connecting rod, the body covers the second opening, the second opening is closed and opened, one end of the connecting rod is arranged on the body, acting force is applied to the other end of the connecting rod, the body is displaced, the second opening is opened, the acting force is removed, the body resets, and the second opening is closed.
Another embodiment of the apparatus for manufacturing an umbilical cord section further comprises an elastic mechanism, wherein two ends of the elastic mechanism respectively abut against the outer side wall of the second container and the connecting rod, and the elastic mechanism is elastically deformed under the action of external force, returns after the action force is removed, resets the body and closes the second opening.
Another embodiment of the apparatus for manufacturing an umbilical cord section further comprises a first supporting member, which is connected to the connecting rod and the first handle portion, respectively, to connect the first cutter body to the cover body, and to reset the moving first blade portion and the body to close the second opening after the acting force is removed.
Another embodiment of the apparatus for manufacturing an umbilical cord section further comprises a second supporting member, which is connected to the connecting rod and the second handle portion, respectively, to connect the second cutter body to the cover body, and to reset the moving second blade portion and the body after the acting force is removed, thereby closing the second opening.
In another embodiment of the apparatus for preparing an umbilical cord segment, the first and second containers are cylindrical and coaxial.
Another embodiment of an apparatus for manufacturing an umbilical cord segment further comprises a pin inserted into a first connector disposed on an outer edge of a first container sidewall and a second connector disposed on an outer edge of a second container sidewall, and assembled with the first connector and the second connector in a clearance fit, such as: the first and second coupling portions rotate (e.g., pivot) about the pin.
In another embodiment of the apparatus for manufacturing an umbilical section, the first connector has two ends that are respectively assembled with the pin and the first bracing member.
In another embodiment of the apparatus for manufacturing an umbilical segment, the two ends of the second connector are respectively assembled with the pin and the first bracing member.
Put into the separation navel cord the utility model provides a prepare device of navel cord section can gain the navel cord section of length homogeneous, and the tangent plane is level and smooth, and the position that huatong glued is easily discerned. And stripping and obtaining the Wharton jelly from the umbilical cord section, and further preparing the umbilical cord mesenchymal stem cells.
Adopt the device provided by the utility model, showing and improving huatong glue's efficiency of preparing, still do benefit to the standardized operation standard of establishing umbilical cord mesenchymal stem cells preparation, realize huatong glue and the standardization of umbilical cord mesenchymal stem cells preparation.
The utility model provides a device, its first container makes long banding navel cord easily settle between the sword, realizes the homogenization of navel cord section length with the cooperation of second container. The umbilical cord is placed in the container, so that the position of the umbilical cord is relatively fixed in the operation of being cut, the irregular situation of the cut caused by the slippage of the umbilical cord in the handheld operation is reduced, and the cutting operation is more labor-saving.
Under the cooperation of lid for the umbilical cord section of cutting off discharges fast, and the umbilical cord sample is easily collected, and length uniformity, and the tangent plane is level and smooth.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the apparatus for preparing an umbilical cord section according to the present invention;
FIG. 2 is a schematic view of the umbilical cord section preparation device shown in FIG. 1 from another angle;
FIG. 3 is a schematic structural view of another state of the apparatus for preparing an umbilical cord section of the present invention shown in FIG. 1;
FIG. 4 is a schematic view of the umbilical cord section preparation device shown in FIG. 3 in another angle;
FIG. 5 is a schematic structural view of an embodiment of a container of the apparatus for preparing an umbilical cord section of the present invention shown in FIG. 1;
FIG. 6 is a schematic structural view of an embodiment of a cover of the apparatus for manufacturing an umbilical cord section shown in FIG. 1;
FIG. 7 is a schematic structural view of an embodiment of a cutter of the apparatus for preparing an umbilical cord section of the present invention shown in FIG. 1;
FIG. 8 is a schematic structural view of an embodiment of a bracing member of the apparatus for preparing an umbilical cord section of the present invention shown in FIG. 1;
fig. 9 is a schematic structural view of an embodiment of an elastic mechanism of the device for preparing an umbilical cord section shown in fig. 1.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings. The embodiments of the present invention are only used for illustrating the technical solutions of the present invention and not for limiting, although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with other equivalent solutions without departing from the spirit and scope of the present invention, which should be covered by the scope of the claims of the present invention.
Fig. 1 is the structure schematic diagram of an embodiment of the device for preparing the umbilical cord section of the present invention, fig. 2 is shown in fig. 1, the structure schematic diagram of another angle of the device for preparing the umbilical cord section of the present invention is shown in fig. 1, and fig. 3 is shown in fig. 1, the structure schematic diagram of another state of the device for preparing the umbilical cord section of the present invention is shown in fig. 1. As shown in fig. 1, 2 and 3, the apparatus for preparing an umbilical cord segment of the present embodiment includes a first container 110, a second container 120, a first blade 410, a second blade 420 and a cover 300.
Fig. 5 is a schematic structural view of an embodiment of a container of the apparatus for preparing an umbilical cord section of the present invention shown in fig. 1, in combination with fig. 1, fig. 2 and fig. 3, as shown in fig. 5, in this embodiment, a first container 110 is open at both ends for accommodating an umbilical cord, and a first connecting member 111 is disposed at the outer edge of the first container. Below it, a second container 120 is provided, which includes a first opening 121 and a second opening 122, a second connecting member 123 provided at the outer edge of the sidewall, the first opening 121 communicating with the opening of the first container 110, the end surface of the first opening 121 not contacting the lower end surface of the first container 120, and a cutting space 130 provided therebetween. The cover 300 controls the second opening 122 to be in a closed or open state.
When the first container 110 and the second container 120 are both cylindrical and coaxial, the whole body formed by the first container 110 and the second container 120 is cylindrical or truncated cone-shaped, and the end face of the first opening 121 and the lower end face of the first container 120 are circular. It should be understood that when the outer wall of the lower end of the first container 110 is partially connected to the outer wall of the upper end of the second container 120, the shapes of the end surface of the first opening 121 and the lower end surface of the first container 120 are changed, so that the end surface of the first opening 121 and the lower end surface of the first container 120 have a non-circular shape, such as: semicircular, sector, triangular or quadrilateral surfaces, etc. The pins 200 are inserted into the first connector 111 and the second connector 123 to connect the first container 110 and the second container 120, and the shape and volume of the shearing space 130 are fixed.
Fig. 7 is a schematic structural diagram of an embodiment of a cutter of the apparatus for preparing an umbilical cord section shown in fig. 1, in combination with fig. 1, fig. 2 and fig. 3, as shown in fig. 7, in this embodiment, the first cutter 410 includes a first blade portion 411, a first connecting portion 412 and a first handle portion 413, the first blade portion 411 is disposed in the cutting space 130, and the first handle portion 413 is disposed outside the side wall of the first container 120. One end of the first connecting portion 412 is assembled with and clearance-fitted to the pin 400, and rotates around the pin 200 for driving the first blade 411 to move (e.g., pivot) in the cutting space 130.
The second cutter body 420 includes a second blade 421, a second connection portion 422, and a second shank 423, the second blade 421 is disposed in the shearing space 130, and the second shank 423 is disposed outside the sidewall of the second container. One end of the second connecting portion 422 is assembled with the pin 200 and is in clearance fit with the pin 400 and rotates around the pin for driving the second blade portion 421 to move (e.g., pivot) in the cutting space 130.
When no force is applied, the first blade 411 and the second blade 421 enter the cutting space 130, and the umbilical cord enters between the two blades and reaches the bottom surface of the other end of the second container 120, i.e. the second opening 122 closed by the cover 300.
Fig. 6 is a schematic structural diagram of an embodiment of a cover of the apparatus for preparing an umbilical cord section shown in fig. 1, and referring to fig. 1, fig. 2, fig. 3 and fig. 4, as shown in fig. 6, the cover 300 includes a body 310 and a connecting rod 320, the body 310 covers the second opening 122, and closes and opens the second opening 122. One end of the connecting rod 320 is disposed on the body 310, and applies an acting force to the other end of the connecting rod, so that the body 310 is displaced to open the second opening 122, the acting force is removed, the body 310 is reset, and the second opening 122 is closed. To facilitate the closing of the second opening 122 by the cover, in the present embodiment, the link 320 is mounted on the lower edge of the second container 120, so that the link 320 pivots.
In this embodiment, the first supporting member 510 is connected to the connecting rod 320 and the first connecting portion 412 respectively to connect the cutter to the cover, and after the acting force is removed, the moving first blade portion 411 and the body 310 are reset to close the second opening 122. The second supporting member 520 is connected to the connecting rod 320 and the second connecting portion 422, respectively, to connect the cutter to the cover, and after the acting force is removed, the second blade 421 which moves is reset, and the body 310 is reset to close the second opening 122.
Fig. 8 is a schematic structural view of an embodiment of a supporting member of the apparatus for manufacturing an umbilical cord section shown in fig. 1, and as shown in fig. 8, the supporting member 500 includes a sliding rod 530, and springs 540 are disposed at two ends of the sliding rod 530, so that the supporting member 500 is adapted to close and open the second opening 122 after being connected to the connecting portions 412, 422 and the connecting rod 320 of the cutter body.
Fig. 9 is a schematic structural view of an embodiment of an elastic mechanism of the device for preparing an umbilical cord section shown in fig. 1, and referring to fig. 1, as shown in fig. 9, in this embodiment, an elastic mechanism 600 is further provided, and both ends of the elastic mechanism are respectively supported on the outer side wall and the connecting rod 320 of the second container 120, and the elastic mechanism is elastically deformed under the action of an external force, and returns after the action force is removed, so that the body 310 is reset, and the second opening 122 is closed.
The umbilical cord is inserted into the apparatus for preparing an umbilical cord section provided in this embodiment from the opening at one end of the first container, and then stopped at the bottom surface (i.e., the closed second opening 122) at the other end of the second container after passing through the space between the blades of the blade.
Then, under the action of external force, the blade part of the cutter moves from the container cavity to the notch formed by the shearing space 130 and the container side wall, and gradually approaches the outer side wall of the container cavity, and the umbilical cord in the container cavity is sheared. Meanwhile, the umbilical cord section is covered on the second opening 122 by the force of the cutter body, and the cover body connected with the cutter body is opened to expose the opening at the other end of the container, so that the cut umbilical cord section is discharged from the second opening 122.
The external force is removed, and the blade returns to the cavity of the container; meanwhile, the cover body connected with the cutter body closes the opening at the other end of the container and covers the bottom surface at the other end of the container.
The umbilical cord sections with uniform length can be obtained by the reciprocating way, the section is smooth, and the position of the Wharton jelly of each umbilical cord section is easy to identify. And stripping from the umbilical cord section to obtain the Wharton jelly, such as: cutting the umbilical cord along the umbilical vein, spreading, scraping the umbilical vein and two umbilical arteries with a scalpel, removing the outermost membrane of the umbilical cord with the scalpel, and removing the rest white jelly-like substance to obtain HUATONG gel, and further preparing the umbilical cord mesenchymal stem cells.
By adopting the device provided by the embodiment and matching with a corresponding method, the preparation efficiency of the huatong glue can be obviously improved, the establishment of standardized operation specifications for preparing the umbilical cord mesenchymal stem cells is facilitated, and the standardization of the preparation of the huatong glue and the umbilical cord mesenchymal stem cells is realized.

Claims (10)

1. An apparatus for preparing an umbilical segment comprising:
a first container having both ends open for accommodating an umbilical cord;
a second container disposed below the first container and including a first opening and a second opening, the first opening communicating with the opening of the first container, an upper end surface of the first opening being not in contact with a lower end surface of the first container, a shear space being provided therebetween;
the first cutter body comprises a first blade part, a first connecting part and a first handle part, the first blade part is arranged in the shearing space, the first handle part is arranged outside the side wall of the first container or outside the side wall of the second container, and the first connecting part is used for driving the first blade part to move in the shearing space;
the second cutter body comprises a second blade part, a second connecting part and a second handle part, the second blade part is arranged in the shearing space, the second handle part is arranged outside the side wall of the first container or outside the side wall of the second container, and the second connecting part is used for driving the second blade part to move in the shearing space;
the cover body comprises a body and a connecting rod, the body covers the second opening and closes and opens the second opening, one end of the connecting rod is arranged on the body, acting force is applied to the other end of the connecting rod, the body is enabled to displace, the second opening is opened, the acting force is removed, and the body resets to close the second opening.
2. The apparatus for preparing an umbilical cord section as claimed in claim 1, further comprising an elastic mechanism, both ends of which respectively abut against the outer sidewall of the second container and the connecting rod, and which is elastically deformed by an external force, and which is restored after the external force is removed, and which restores the body to close the second opening.
3. The apparatus for preparing an umbilical cord section as claimed in claim 1 further comprising a first bracing member connected to the connecting rod and the first handle portion respectively to effect connection of the first blade to the cover and simultaneously to reposition the moving first blade and the body to close the second opening after the force is removed.
4. The apparatus for preparing an umbilical cord section as claimed in claim 1 further comprising a second bracing member connected to the connecting rod and the second handle portion respectively to effect connection of the second blade to the cover and simultaneously to reposition the moving second blade and the body to close the second opening after the force is removed.
5. The apparatus for preparing an umbilical cord segment as claimed in claim 1 wherein the first vessel and the second vessel are cylindrical and coaxial.
6. The apparatus for preparing an umbilical cord section as claimed in claim 1 further comprising a pin adapted to engage a first connector provided on the outer periphery of the side wall of the first vessel and a second connector provided on the outer periphery of the side wall of the second vessel.
7. The apparatus for forming an umbilical section as claimed in claim 6 wherein the pin is fitted with the first connector portion in a clearance fit and the first connector portion is rotated about the pin.
8. The apparatus for preparing an umbilical cord segment as claimed in claim 6 wherein the pin is fitted with the second connector portion in a clearance fit and the second connector portion is rotated about the pin.
9. The apparatus for preparing an umbilical cord section as claimed in claim 6 further comprising a first bracing member, wherein the first connecting portion is assembled with the pin and the first bracing member at both ends thereof.
10. The apparatus for preparing an umbilical cord section as claimed in claim 6 further comprising a second bracing member, wherein both ends of the second connecting portion are respectively assembled with the pin and the second bracing member.
CN201921458835.6U 2019-09-02 2019-09-02 Device for preparing umbilical cord section Active CN210616596U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201921458835.6U CN210616596U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section
CN202020210661.8U CN211890939U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921458835.6U CN210616596U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202020210661.8U Division CN211890939U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section

Publications (1)

Publication Number Publication Date
CN210616596U true CN210616596U (en) 2020-05-26

Family

ID=70763080

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201921458835.6U Active CN210616596U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section
CN202020210661.8U Active CN211890939U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202020210661.8U Active CN211890939U (en) 2019-09-02 2019-09-02 Device for preparing umbilical cord section

Country Status (1)

Country Link
CN (2) CN210616596U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434899A (en) * 2019-09-02 2019-11-12 章毅 Produce the method and apparatus and its application of umbilical cord section

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110434899A (en) * 2019-09-02 2019-11-12 章毅 Produce the method and apparatus and its application of umbilical cord section

Also Published As

Publication number Publication date
CN211890939U (en) 2020-11-10

Similar Documents

Publication Publication Date Title
CN210616596U (en) Device for preparing umbilical cord section
CN110434899B (en) Method and device for preparing umbilical cord segment and application thereof
CN110074845B (en) Pressure equalization structure of ultrasonic knife head
CN204914062U (en) Gluey manual slabbing machine is led to in navel cord china
CN215996934U (en) Placenta tissue reducing mechanism
CN214761360U (en) Disposable prepuce cutting anastomat assembly
CN218018017U (en) Umbilical cord tissue fixed-length cutting auxiliary tool
CN110179533B (en) Umbilical cord cutting device
CN210697758U (en) Pressure equalizing structure of ultrasonic knife head
CN209252955U (en) A kind of cervical biopsy forceps convenient for sampling
CN219461322U (en) Special scissors for removing umbilical cord
CN108354657B (en) Bone puncture biopsy needle
CN216495513U (en) Device is got to tumour clamp for medical oncology
CN211156088U (en) Ultrasonic knife
CN221411508U (en) Ophthalmic bite device
CN221411507U (en) Ophthalmic tumor forceps
CN221431153U (en) Posterior longitudinal ligament stripping and cutting device for cervical vertebra
CN202554080U (en) Bone cutting pliers
CN2922812Y (en) Cavity scope micro-wound tissue dissecting pliers
CN213005418U (en) Scissors for shearing tissue sample
CN215503355U (en) Endoscope minimally invasive surgery instrument with electrified hook stripping function
CN214157395U (en) Hollow viscera perforation edge tissue cutting forceps
CN214387584U (en) Rongeur
CN209464017U (en) A kind of mouth neoplasm collection of specimens pincers
CN210802957U (en) Umbilical cord Wharton jelly cutting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant