CN213189781U - Exfoliative cell collector convenient for sampling - Google Patents

Exfoliative cell collector convenient for sampling Download PDF

Info

Publication number
CN213189781U
CN213189781U CN202021814260.XU CN202021814260U CN213189781U CN 213189781 U CN213189781 U CN 213189781U CN 202021814260 U CN202021814260 U CN 202021814260U CN 213189781 U CN213189781 U CN 213189781U
Authority
CN
China
Prior art keywords
brush
wall
guide
shell
sampling
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
CN202021814260.XU
Other languages
Chinese (zh)
Inventor
刘召宏
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.)
Wuhan Zhongtou Hanjia Technology Co ltd
Original Assignee
Wuhan Zhongtou Hanjia 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 Wuhan Zhongtou Hanjia Technology Co ltd filed Critical Wuhan Zhongtou Hanjia Technology Co ltd
Priority to CN202021814260.XU priority Critical patent/CN213189781U/en
Application granted granted Critical
Publication of CN213189781U publication Critical patent/CN213189781U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention relates to a cast-off cell collector convenient for sampling, which belongs to the technical field of medical instruments and comprises a shell, a guide brush cylinder connected to the front end of the shell, a sampling brush arranged in the shell and a driving piece arranged at the tail end of the shell and used for driving the sampling brush to stretch out and draw back inside and outside the guide brush cylinder; the front end of the shell is provided with a connecting guide part used for being connected with the guide brush barrel, and the surface of the connecting guide part is an inclined cambered surface; the connecting guide part is arranged, the transition stability between the guide brush barrel and the shell is improved, a certain angle is formed between the guide brush barrel and the shell under the guide of the inclined cambered surface, a sampler can be conveniently inserted into a human body, the surface of the guide brush barrel is smooth, and the discomfort generated when the collector is in contact with the human body can be favorably reduced.

Description

Exfoliative cell collector convenient for sampling
Technical Field
The invention relates to the technical field of medical instruments, in particular to a cast-off cell collector convenient for sampling.
Background
According to the survey of the world health organization, the prevalence rate of the global female gynecological diseases is up to more than 93 percent at present, the female reproductive system is divided into two parts, one part is an external genitalia, the other part is an internal genitalia, and the internal genitalia consists of a pelvic cavity, an ovary, an oviduct, a uterus and a vagina; the uterus is an important place for life inoculation, the uterus is large like an egg when not pregnant, once pregnant, the uterus expands like a balloon, when delivery is finished, the uterus contracts back like a fist, the uterus at the time is divided into folds and recesses, the inner wall is not smooth, waste is remained in the fold recesses, the waste accumulates in the day and the month and is piled up into a mountain, and the toxin is generated in the long term, and the toxin is originated from the disease.
The present chinese patent with the grant publication number CN204207780U discloses a novel cervical exfoliated cell collector, including exfoliated cell collector main part, be equipped with the screw thread in exfoliated cell collector main part, be equipped with spiral movable ring on the screw thread, be equipped with the pull rod connector on the spiral movable ring, be equipped with screw connector on the pull rod connector, be equipped with bracing piece and lever on the screw connector, be equipped with bracing piece spiral fixer on the bracing piece, be equipped with lever pivot and vagina opener head on the lever, be equipped with lever pivot base in the lever pivot, the utility model discloses gather accurately, convenient to use, when medical staff gathered cervical exfoliated cell, easy and simple to handle, labour saving and time saving has alleviateed medical staff's the work degree of difficulty.
However, when the collector is used for sampling, the pull rod connector, the spiral connector, the support rod and the lever are matched to move, the pull rod connector, the spiral connector, the support rod and the lever can be supported to the outside of the exfoliated cell collector, and when the pull rod connector, the support rod and the lever are contacted with the inside of a human body, the supported part can cause discomfort to the human body.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the exfoliated cell collector which is convenient for sampling, and obviously reduces the discomfort caused to a human body during sampling.
The above object of the present invention is achieved by the following technical solutions:
a cast-off cell collector convenient for sampling comprises a shell, a guide brush barrel connected to the front end of the shell, a sampling brush arranged in the shell and a driving piece arranged at the tail end of the shell and used for driving the sampling brush to stretch out and draw back inside and outside the guide brush barrel; the front end of the machine shell is provided with a connecting guide part used for being connected with the guide brush barrel, and the surface of the connecting guide part is an inclined cambered surface.
By adopting the technical scheme, the connecting guide part is arranged, so that the transition stability between the guide brush cylinder and the shell is improved, a certain angle is formed between the guide brush cylinder and the shell under the guide of the inclined cambered surface, a sampler can be conveniently inserted into a human body, the surface of the guide brush cylinder is smooth, and the discomfort generated when the collector is contacted with the human body can be favorably reduced; after the sample is ended, the driving piece is rotated reversely, the sampling brush is retracted in the guide brush barrel, and the completeness of the sample is guaranteed.
The present invention in a preferred example may be further configured to: the casing includes half first shell of mutual joint complex and half second shell, be equipped with the complex fixture block of mutual joint/draw-in groove on the half relative lateral wall of half first shell/second shell, be equipped with the fixed slot on the outer wall of fixture block, be equipped with the card limit that is used for the inlay card in the fixed slot on the inner wall of draw-in groove.
Through adopting above-mentioned technical scheme, the casing is half shell and the mutual joint shaping of second half shell for first, has improved the easy dismounting nature of casing.
The present invention in a preferred example may be further configured to: the cross section of connecting the guide portion is less than the cross section of casing, connect the guide portion including mutual joint complex first guide portion and second guide portion.
By adopting the technical scheme, the vaginal opening of the human body is smaller, so that the size of the cross section of the limited connecting and guiding part is smaller than that of the cross section of the shell, and the convenience of inserting the collector into the human body is improved.
The present invention in a preferred example may be further configured to: the end face of one end, far away from the shell, of the connecting guide part is provided with a mounting hole communicated with the interior of the shell, and the guide brush barrel is clamped and embedded in the mounting hole.
Through adopting above-mentioned technical scheme, direction brush section of thick bamboo and connection guide portion joint cooperation make things convenient for direction brush section of thick bamboo and be connected quick assembly disassembly between the guide portion, have improved the dismouting efficiency of this collector.
The present invention in a preferred example may be further configured to: the sampling brush comprises brush hair and a brush handle connected with the brush hair, the brush handle comprises a connecting rod connected with the brush hair and a rotary stud connected with the connecting rod, a thread groove is formed in the outer wall of the rotary stud, and two opposite first guide surfaces and second guide surfaces are arranged on the rotary stud.
By adopting the technical scheme, the connecting rod is connected between the bristles and the rotary stud to play a connecting role; compare with the connecting rod, rotatory double-screw bolt has increased the area of contact of connecting rod with the driving piece, helps improving the structural strength of sample brush to improve the stability when driving piece drive sample brush rotates.
The present invention in a preferred example may be further configured to: the inner wall of the machine shell is provided with two opposite positioning rods, the rotating stud is placed between the two positioning rods, the inner wall of the machine shell, which is close to the positioning rods, is provided with a supporting rib plate, and the supporting rib plate is provided with a supporting groove.
By adopting the technical scheme, when the driving part drives the sampling brush to rotate, the sampling brush slightly shakes, the rotary stud is limited between the two positioning rods, namely the rotary stud is limited in the horizontal direction, and the shaking degree of the sampling brush during rotation is reduced; because the area of contact of rotatory double-screw bolt and locating lever is limited, set up support rib plate, further increase the area of contact of casing and sample brush to stability when improving the sample brush and rotating.
The present invention in a preferred example may be further configured to: the driving part comprises a sleeve arranged in the casing and a knob driving the sleeve to rotate, and a rectangular groove for the insertion and matching of the rotary stud is formed in the sleeve.
Through adopting above-mentioned technical scheme, rotating the knob, the sleeve pipe rotates along with the knob is together, and at rotatory in-process, the cell wall drive helicla flute of rectangular channel rotates, and then the drive brush holder feeds forward, and simple structure and ingenious helps improving the rotatory smoothness nature of driving piece drive sleeve pipe.
The present invention in a preferred example may be further configured to: two inner walls of the casing close to the tail end of the casing are provided with two opposite positioning rib plates, the side surfaces of the positioning rib plates opposite to each other are provided with limiting arc surfaces for being attached to the surface of the casing, the pipe wall of the casing close to one end of the knob is provided with an annular groove, and the inner wall of the casing is provided with a convex column capable of being inserted into the annular groove.
By adopting the technical scheme, the positioning rib plates are arranged, so that the contact area between the casing and the shell is increased, and the limiting cambered surfaces are arranged, so that the fitting degree between the casing and the positioning rib plates is improved, and the support stability of the casing is improved; the annular groove is matched with the convex column, so that the contact area of the sleeve and the shell is further increased, and the stability of the sleeve in the shell is further improved.
The present invention in a preferred example may be further configured to: the connecting rod is equipped with the connecting pipe towards the one end of brush hair, the connecting pipe is equipped with the mounting groove towards the one end of brush hair, the one end of brush hair is fixed in the mounting groove, the outer wall of connecting pipe and the inner wall of direction brush section of thick bamboo laminate mutually.
Through adopting above-mentioned technical scheme, set up the connecting pipe for the outer wall of connecting pipe is laminated mutually with the inner wall of a direction brush section of thick bamboo, thereby improves the stability when sample brush straight line feeds.
The present invention in a preferred example may be further configured to: the outer wall of the connecting pipe is provided with a spiral groove, the inner wall of the guide brush barrel is provided with a spiral convex rib which is matched with the spiral groove in a concave-convex mode, and the spiral groove is the same as the thread pitch of the thread groove.
Through adopting above-mentioned technical scheme, set up helicla flute and the cooperation of spiral convex rib, help improving the stability of connecting pipe when direction brush section of thick bamboo internal rotation to improve the stability that the sample brush was linear motion.
In summary, the invention includes at least one of the following beneficial technical effects:
1. when the collector is used for sampling, the discomfort caused to a human body during sampling can be obviously reduced;
2. the collector has the advantages of ingenious structure, simplicity in operation and convenience in sampling;
3. after sampling is finished, the sampling brush is retracted in the guide brush barrel by the driving piece, and the integrity of the sample is maintained.
Drawings
FIG. 1 is a schematic configuration diagram of the present embodiment (a state diagram in which some bristles of a sampling brush are exposed).
Fig. 2 is an exploded structure diagram of the present embodiment.
Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.
Fig. 4 is a schematic view of the internal structure for embodying the first half shell.
Fig. 5 is a schematic structural view for embodying the first guide surface and the second guide surface.
FIG. 6 is an exploded view of a guide brush barrel, brush bristles, a connecting tube, and a connecting rod.
In the figure, 1, a housing; 11. a first half shell; 111. a clamping block; 112. fixing grooves; 12. a second half shell; 121. a card slot; 122. edge clamping; 2. a guide brush cylinder; 21. spiral convex ribs; 3. a sampling brush; 31. brushing; 32. a brush handle; 321. a connecting rod; 322. rotating the stud; 323. a thread groove; 324. a first guide surface; 325. a second guide surface; 326. a connecting pipe; 327. mounting grooves; 328. a helical groove; 4. a drive member; 41. a sleeve; 411. a rectangular groove; 412. a ring groove; 42. a knob; 5. a connection guide part; 51. a first guide portion; 52. a second guide portion; 53. mounting holes; 6. an inclined arc surface; 7. positioning a rod; 8. supporting the rib plate; 81. a support groove; 9. positioning a rib plate; 91. limiting the arc surface; 10. a convex column.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, a cast-off cell collector convenient for sampling comprises a casing 1, a guide brush barrel 2 connected to the front end of the casing 1, a sampling brush 3 arranged in the casing 1, and a driving member 4 arranged at the tail end of the casing 1 and driving the sampling brush 3 to extend into and out of the guide brush barrel 2, wherein the length of the sampling brush 3 is close to the sum of the lengths of the casing 1 and the guide brush barrel 2, and the sampling brush 3 is arranged in the casing 1 and the guide brush barrel 2; the driving piece 4 is used for driving the sampling brush 3 to rotate, and the sampling brush 3 is fed forwards while rotating until the sampling brush 3 completely extends out of the guide brush cylinder 2 for sampling; after the sampling is finished, the driving piece 4 is rotated reversely, and the sampling brush 3 retracts into the guide brush barrel 2, so that the integrity of the sampled cells is ensured.
Referring to fig. 1, the front end of the casing 1 is provided with a connection guide part 5 connected with a guide brush drum 2, the surface of the connection guide part 5 is an inclined arc surface 6, the cross sectional dimension of the connection guide part 5 is smaller than that of the casing 1, the connection guide part 5 comprises a first guide part 51 and a second guide part 52 which are mutually clamped and matched, the first guide part 51 and the second guide part 52 are enclosed to form the connection guide part 5, the end face of the connection guide part 5 far away from one end of the casing 1 is provided with a mounting hole 53 (fig. 2) communicated with the inside of the casing 1, and the guide brush drum 2 is clamped and embedded in the mounting hole 53, so that the guide brush drum 2 is quickly mounted in the.
Referring to fig. 1 and 2, the casing 1 includes a first half shell 11 and a second half shell 12 clamped to each other, the first half shell 11 and the first guide portion 51 are integrally formed, and the second half shell 12 and the second guide portion 52 are integrally formed.
Referring to fig. 2, two clamping blocks 111 (fig. 4) and two clamping grooves 121 (fig. 3) are respectively disposed on the inner walls of the first half shell 11 and the second half shell 12, in this embodiment, the outer wall of each clamping block 111 is provided with a fixing groove 112 (fig. 3), and the inner wall of each clamping groove 121 is provided with a clamping edge 122 (fig. 3) clamped and embedded in the fixing groove 112; aligning the clamping block 111 with the clamping groove 121, and further clamping the clamping edge 122 in the fixing groove 112, so as to realize quick installation of the first half shell 11 and the second half shell 12; on the contrary, the clamping force of the clamping edge 122 and the fixing groove 112 is overcome, and the first half shell 11 and the second half shell 12 are rapidly disassembled.
Referring to fig. 2, the sampling brush 3 includes bristles 31 and a brush holder 32 connected to the bristles 31, the brush holder 32 includes a connecting rod 321 connected to the bristles 31 and a rotating stud 322 connected to the connecting rod 321, the connecting rod 321 is a thin rod with elasticity and plasticity, the length of the rotating stud 322 is slightly greater than that of the guiding brush barrel 2, a thread groove 323 is formed on the outer wall of the rotating stud 322 along the length direction thereof, the driving member 4 includes a sleeve 41 and a knob 42 which are integrally formed, the sleeve 41 is disposed in the housing 1, the knob 42 is disposed outside the housing 1, a rectangular groove 411 extending along the length direction of the sleeve 41 is formed on the end surface of one end of the sleeve 41 extending in the housing 1, two opposite first guiding surfaces 324 (fig. 5) and second guiding surfaces 325 (fig. 5) are formed on the rotating stud 322, the first guiding surfaces 324 and the second guiding surfaces 325 are attached to the inner wall of the rectangular groove 411, the rotating stud 322 is inserted, the knob 42 is rotated, the rotary stud 322 rotates along with the rotation of the knob 42, and meanwhile, the rotary stud 322 makes a linear motion, so that the sampling brush 3 is driven to make a linear motion.
Refer to fig. 2, for the installation stability who improves sample brush 3, be equipped with two relative locating levers 7 on the inner wall of casing 1, the first half shell 11 of locating lever 7 perpendicular to, half shell 12 of second and butt in half shell 11 of first, half shell 12 inner wall of second, rotatory double-screw bolt 322 inlay card is between two locating levers 7, half shell 11 of first, be close to locating lever 7 on the inner wall of half shell 12 of second and be equipped with support rib plate 8, be equipped with support groove 81 on support rib plate 8's the roof, support rib plate 8 plays the bearing effect to sample brush 3, half shell 11 of first, half shell 12 joint cooperation back of second, sample brush 3 inlays just between relative support groove 81, make sample brush 3 have good stability.
Referring to fig. 2 and 4, in order to improve the stability of the driving member 4, two opposite positioning rib plates 9 are arranged on two inner walls of the casing 1 near the tail end of the casing 1, a limiting arc surface 91 is arranged on the opposite side surfaces of the positioning rib plates 9, the limiting arc surface 91 is attached to the surface of the casing 41, and the four positioning rib plates 9 are combined into a space for wrapping the casing 41, so that the casing 41 is fixed in the casing 1, and the stability of the driving member 4 in the casing 1 is improved. The annular groove 412 is formed in the pipe wall of the sleeve 41 near one end of the knob 42, the convex column 10 capable of being inserted into the annular groove 412 is arranged on the inner wall of the casing 1, and the convex column 10 and the annular groove 412 are arranged, so that the contact area between the sleeve 41 and the casing 1 is further increased, and the stability of the sleeve 41 in the casing 1 is further improved.
Referring to fig. 6, a connection pipe 326 is disposed at one end of the connection rod 321 facing the bristles 31, an outer wall of the connection pipe 326 is attached to an inner wall of the guide brush cylinder 2, an installation groove 327 is disposed at one end of the connection pipe 326 facing the bristles 31, one end of the bristles 31 is fixed in the installation groove 327, and the other end of the bristles 31 extends out of the guide brush cylinder 2.
Referring to fig. 6, the outer wall of the connection pipe 326 is provided with a spiral groove 328, the spiral groove 328 has the same pitch as the thread groove 323 (fig. 5), the inner wall of the guide brush cylinder 2 is provided with a spiral rib 21 for concave-convex matching with the spiral groove 328, and in the rotation process of the brush hair 31, the spiral groove 328 and the spiral rib 21 are concave-convex matched, which is helpful to improve the stability of the connection pipe 326 sliding in the guide brush cylinder 2.
The working principle of the embodiment is as follows: the knob 42 is rotated to drive the rotary stud 322 to slide out of the rectangular groove 411, so that the bristles 31 are driven to extend out of the guide brush barrel 2, the knob 42 is rotated reversely, the rotary stud 322 is driven to retract in the rectangular groove 411, and the bristles 31 are driven to retract in the guide brush barrel 2.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. The utility model provides a convenient exfoliated cell collector of taking a sample which characterized in that: comprises a machine shell (1), a guide brush cylinder (2) connected with the front end of the machine shell (1), a sampling brush (3) arranged in the machine shell (1) and a driving piece (4) arranged at the tail end of the machine shell (1) and used for driving the sampling brush (3) to stretch out and draw back inside and outside the guide brush cylinder (2); the front end of the machine shell (1) is provided with a connecting guide part (5) connected with the guide brush barrel (2), and the surface of the connecting guide part (5) is an inclined cambered surface (6).
2. The exfoliated cell collector convenient for sampling according to claim 1, wherein: casing (1) are half shell (11) and second half shell (12) including the first half shell of mutual joint complex, be equipped with mutual joint complex fixture block (111)/draw-in groove (121) on the relative inner wall of half shell (11)/second half shell (12), be equipped with fixed slot (112) on the outer wall of fixture block (111), be equipped with on the inner wall of draw-in groove (121) and be used for inlay card limit (122) in fixed slot (112) of joint.
3. The exfoliated cell collector convenient for sampling according to claim 2, wherein: the cross section of connecting guide portion (5) is less than the cross section of casing (1), connecting guide portion (5) including mutual joint cooperation first guide portion (51) and second guide portion (52).
4. The exfoliated cell collector convenient for sampling according to claim 1, wherein: the end face, far away from the machine shell (1), of one end of the connecting guide portion (5) is provided with a mounting hole (53) communicated with the interior of the machine shell (1), and the guide brush barrel (2) is clamped and embedded in the mounting hole (53).
5. The exfoliated cell collector convenient for sampling according to claim 1, wherein: sample brush (3) are including brush hair (31) and brush holder (32) that link to each other with brush hair (31), brush holder (32) are including connecting rod (321) that link to each other with brush hair (31) and rotatory double-screw bolt (322) that link to each other with connecting rod (321), be equipped with thread groove (323) on the outer wall of rotatory double-screw bolt (322), be equipped with two relative first spigot surface (324) and second spigot surface (325) on rotatory double-screw bolt (322).
6. The exfoliated cell collector convenient for sampling according to claim 5, wherein: the inner wall of the machine shell (1) is provided with two opposite positioning rods (7), the rotary stud (322) is placed between the two positioning rods (7), a supporting rib plate (8) is arranged on the inner wall of the machine shell (1) close to the positioning rods (7), and a supporting groove (81) is arranged on the supporting rib plate (8).
7. The exfoliated cell collector convenient for sampling according to claim 5, wherein: the driving part (4) comprises a sleeve (41) arranged in the machine shell (1) and a knob (42) driving the sleeve (41) to rotate, and a rectangular groove (411) for the insertion and matching of the rotary stud (322) is formed in the sleeve (41).
8. The exfoliated cell collector convenient for sampling according to claim 7, wherein: be equipped with two double-phase relative location gusset (9) on casing (1) two inner walls that are close to its tail end, location gusset (9) relative side surface is equipped with and is used for spacing cambered surface (91) with sleeve pipe (41) surface laminating, sleeve pipe (41) are close to and are equipped with annular (412) on the pipe wall of knob (42) one end, be equipped with projection (10) that can insert in annular (412) on the inner wall of casing (1).
9. The exfoliated cell collector convenient for sampling according to claim 5, wherein: connecting rod (321) are equipped with connecting pipe (326) towards the one end of brush hair (31), connecting pipe (326) are equipped with mounting groove (327) towards the one end of brush hair (31), the one end of brush hair (31) is fixed in mounting groove (327), the outer wall of connecting pipe (326) is laminated with the inner wall of direction brush section of thick bamboo (2) mutually.
10. The exfoliated cell collector convenient for sampling according to claim 9, wherein: be equipped with on the outer wall of connecting pipe (326) helicla flute (328), be equipped with on the inner wall of direction brush section of thick bamboo (2) and be used for with helicla flute (328) unsmooth complex spiral protruding muscle (21), the pitch of helicla flute (328) and thread groove (323) is the same.
CN202021814260.XU 2020-08-25 2020-08-25 Exfoliative cell collector convenient for sampling Active CN213189781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021814260.XU CN213189781U (en) 2020-08-25 2020-08-25 Exfoliative cell collector convenient for sampling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021814260.XU CN213189781U (en) 2020-08-25 2020-08-25 Exfoliative cell collector convenient for sampling

Publications (1)

Publication Number Publication Date
CN213189781U true CN213189781U (en) 2021-05-14

Family

ID=75842898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021814260.XU Active CN213189781U (en) 2020-08-25 2020-08-25 Exfoliative cell collector convenient for sampling

Country Status (1)

Country Link
CN (1) CN213189781U (en)

Similar Documents

Publication Publication Date Title
CN100525725C (en) Puncture needle holder structure attached to ultrasonic probe
CN213189781U (en) Exfoliative cell collector convenient for sampling
CN217570383U (en) A beat salient point mechanism for pipe fitting
CN112656357B (en) Special oral cavity clinical examination device of comprehensive department of stomatology
CN202015205U (en) Bidirectional bendable biopsy forceps
CN213551985U (en) Portable cervical cancer screening rod
CN213606239U (en) Observation mirror for ear-nose-throat department
CN211592264U (en) Wind scooper of range extender
CN209377635U (en) The replaceable living body sampler of sampling head
CN214342417U (en) Throat swab snakelike arm sampling device
CN201847669U (en) Multi-functional examining device for neurology department
CN212335190U (en) Handheld gene detection sampler
CN114228071B (en) Nondestructive demoulding device for injection mould
CN216456227U (en) Sputum taking nursing device for tuberculosis patients
CN219439221U (en) Tumor puncture sampling device
CN206475200U (en) Casting clamping jaw structure
CN218636023U (en) Bronchoscope biopsy forceps
CN210979400U (en) Otolaryngology passes a sentence searchlighter
CN219022489U (en) Negative pressure drainage device
CN2757732Y (en) Disposable uterine neck brush suitable for cerical canal and external cervical opening part
CN109528245A (en) A kind of living body sampler that sampling head is replaceable
CN218337510U (en) Sturgeon temporary marking equipment
CN213844269U (en) Automobile-used urea is from helping to sweep sign indicating number filling system
CN215080228U (en) Conveniently adjust toy breathing machine of control depth of insertion
CN214965972U (en) Pathological cytology examination sampling device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant