CN112022373A

CN112022373A - Portable tumor taking device for oncology department

Info

Publication number: CN112022373A
Application number: CN202010948836.XA
Authority: CN
Inventors: 卢乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-04

Abstract

The invention discloses a portable tumor taking device for oncology department, which comprises a rack, an operating mechanism and an adsorption mechanism, wherein a handle is formed by downwards extending the rear end of the rack, the adsorption mechanism comprises a piston rod, a piston assembly, a piston cylinder and an adsorption head connected to the front end of the piston cylinder, the piston assembly is arranged in the piston cylinder and can slide along the inner wall of the piston cylinder, the piston rod is connected to the rear end of the piston assembly, the rear end of the piston cylinder is connected to a fixed head on the rack, the rear end of the piston rod penetrates through a through hole on the rack and penetrates out of the rear end of the rack, an adjusting spur rack is arranged on the piston rod, the through hole is configured to correspond to the shapes of the piston rod and the adjusting spur rack so as to prevent the piston rod from rotating and guide the linear telescopic movement of the piston rod, a control cavity communicated with the through hole is formed, can not cause the rupture of the tumor, and ensures that the operation can be rapidly and effectively carried out.

Description

Portable tumor taking device for oncology department

Technical Field

The invention relates to the technical field of medical treatment, in particular to a portable tumor taking device for oncology.

Background

The tumor is an abnormal lesion formed by clonal abnormal hyperplasia of a certain cell of a local tissue due to the loss of normal regulation and control on the growth of the certain cell at the gene level under the action of various carcinogenic factors of an organism, and the tumor tissue has different degrees from the normal tissue of the local tissue no matter on the cell morphology and the tissue structure.

When a surgeon performs an operation on a patient, the tumor is generally extracted by medical tweezers in a tumor resection operation, but when the tweezers are used for extracting the tumor, only two stress points of the tumor are small in stress area, if the force is too small, the tumor cannot be clamped, if the force is too large, the tumor is easy to crush, the operation is inconvenient, and sometimes unnecessary difficulty is increased, the tumor focus is easy to be damaged by hands or instruments, the original shape is lost, the pathological condition of the focus is judged by the surgeon from the appearance of the focus is influenced, certain influence is brought to further diagnosis of the disease condition, when in the operation, the opening is small, the tweezers are easy to touch peripheral tissues to damage the peripheral tissues during extraction, the tumor is cracked in the process of clamping and pulling the tumor, and the risk of implantation and transfer to other parts can exist in the incomplete tumor after cracking, the tumor is not stably fixed by a better clamping fixer, so that when a fine tumor resection operation is needed, the operation precision is low, the time spent is long, and the innovation of a complete tumor resection tool is particularly important.

Disclosure of Invention

The invention aims to solve the technical problem of providing a portable tumor ingester for oncology department, aiming at the current situation of the prior art, the tumor ingester is reasonable in design and convenient to use, effectively ingests and fixes tumors by utilizing a negative pressure principle, does not cause the tumors to break, can automatically control the generation of negative pressure without using other devices, is low in manufacturing cost, convenient to carry and store, can adjust the adsorption force step by step for tumors with different sizes, achieves the proper adsorption force, ensures that the operation can be performed quickly and effectively, can quickly release the locking of a piston rod, quickly release the tumors, reduce the operation time and improve the operation success rate.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a portable tumor taking device for oncology department comprises a rack, an operating mechanism and an adsorption mechanism, wherein a handle is formed by downwards extending the rear end of the rack, the adsorption mechanism comprises a piston rod, a piston assembly, a piston cylinder and an adsorption head connected to the front end of the piston cylinder, the piston assembly is arranged in the piston cylinder and can slide along the inner wall of the piston cylinder, the piston rod is connected to the rear end of the piston assembly, the rear end of the piston cylinder is connected to a fixed head on the rack, the rear end of the piston rod penetrates through a through hole on the rack and penetrates out of the rear end of the rack, an adjusting spur rack is arranged on the piston rod, the through hole is configured to correspond to the shape of the piston rod and the adjusting spur rack so as to prevent the piston rod from rotating and guide the linear telescopic movement of the piston rod, a control cavity communicated with the through hole is formed on the rack, the operating mechanism comprises a pressing, the pushing structure comprises a positioning piece and a driving piece, the positioning piece is pivoted on the pivot, the positioning piece is arranged in the control cavity, one end of the positioning piece is abutted to the ratchet for adjusting the straight rack, the driving piece is pivoted on the pressing handle, a torsional spring is arranged between the driving piece and the pressing handle, the lower end of the positioning piece is provided with a reset elastic piece, when the pressing handle is pressed, the ratchet for adjusting the straight rack in the control cavity can be pushed through the pushing part of the driving piece, the piston rod is pushed to move towards the rear, the positioning piece and the ratchet for adjusting the straight rack are matched to form one-way transmission, and the pushing structure and the different ratchets for adjusting the straight rack enable the piston rod to move for different distances to.

In order to optimize the technical scheme, the adopted measures further comprise:

the middle part of the driving piece protrudes forwards to form a vertex angle, the pressing handle opens, and when a certain angle is formed between the pressing handle and the handle, the vertex angle pushes the lower end of the positioning piece, so that the positioning piece is separated from the ratchet of the adjusting spur rack.

The rod body of the piston rod positioned in the piston cylinder is sleeved with a spring, one end of the spring is in interference fit with the piston assembly, and the other end of the spring is in interference fit with the fixing head.

The piston assembly comprises a front push plate, a piston pad and a rear push plate, wherein the piston pad is fixed between the front push plate and the rear push plate.

The outer diameter of the front push plate is larger than that of the rear push plate, the periphery of the front push plate extends backwards to form a rear fixing edge, the periphery of the rear push plate extends forwards to form a front fixing edge, and the piston pad is provided with a ring groove matched with the front fixing edge and the rear fixing edge.

The center of the front push plate is provided with a mounting pipe with a tubular structure matched with the piston rod in a backward extending mode, an internal thread is formed in the mounting pipe, and an external thread in threaded combination with the internal thread is formed at the front end of the piston rod.

A circle of compression ring is formed on the periphery of the front end of the piston rod, and the front end face of the compression ring is abutted to the surface of the rear push plate.

The rear end face of the front push plate is provided with a second fixed convex ring, the piston pad is provided with an annular groove matched with the second fixed convex ring, and the front fixed edge is correspondingly fixed between the second fixed convex ring and the rear fixed edge.

And a reinforcing rib is arranged between the frame and the fixed head.

The piston cylinder is made of transparent materials, and scales are arranged on the piston cylinder.

The invention relates to a portable tumor taking device for oncology department, which comprises a rack, an operating mechanism and an adsorption mechanism, wherein the rear end of the rack extends downwards to form a handle, the adsorption mechanism comprises a piston rod, a piston assembly, a piston cylinder and an adsorption head connected to the front end of the piston cylinder, the piston assembly is arranged in the piston cylinder and can slide along the inner wall of the piston cylinder, the piston rod is connected to the rear end of the piston assembly, the rear end of the piston cylinder is connected to a fixed head on the rack, the rear end of the piston rod penetrates through a through hole on the rack and penetrates out of the rear end of the rack, an adjusting spur rack is arranged on the piston rod, the through hole is configured to correspond to the shapes of the piston rod and the adjusting spur rack so as to prevent the piston rod from rotating and guide the linear telescopic movement of the piston rod, a control cavity communicated with the through hole is formed on the rack, the operating mechanism comprises, the pushing structure comprises a positioning piece and a driving piece, the positioning piece is pivoted on the pivot and is arranged in the control cavity, one end of the positioning piece is abutted against the ratchet for adjusting the straight rack, the driving piece is pivoted on the pressing handle, a torsional spring is arranged between the driving piece and the pressing handle, the lower end of the positioning piece is provided with a reset elastic piece, when the pressing handle is pressed, the ratchet for adjusting the straight rack in the control cavity can be pushed through the pushing top part of the driving piece to push the piston rod to move towards the rear part, the positioning piece and the ratchet for adjusting the straight rack are matched to form one-way transmission, the pushing structure and the different ratchets for adjusting the straight rack are matched to enable the piston rod to move different distances so as to adjust the suction force of the adsorption head, the design is reasonable, the use is convenient, the tumor can be effectively absorbed and fixed by utilizing the negative pressure principle, low in manufacturing cost is honest and clean, portable and save, can be to the tumour of equidimension not, can adjust the adsorption affinity step by step, reach suitable adsorption affinity, guaranteed that the operation can quick effectual going on, can be quick relieve to the piston rod locking, relieve the tumour fast, reduce the operation time, improve the operation success.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of section I of FIG. 2;

fig. 4 is a schematic view of the piston assembly of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 4 are schematic structural views of the present invention.

Wherein the reference numerals are: the device comprises a frame 1, a handle 11, a fixed head 12, a control cavity 13, a reinforcing rib 14, an operating mechanism 2, a pressing handle 21, a pivot 22, a positioning piece 23, a driving piece 24, a torsion spring 25, a reset elastic piece 26, a top pushing part 27, a vertex angle 28, an adsorption mechanism 3, a piston rod 31, a piston cylinder 32, an adsorption head 33, an adjusting spur rack 34, a spring 35, a pressing ring 36, a piston assembly 4, a front pushing plate 41, a piston pad 42, a rear pushing plate 43, a rear fixing edge 44, a front fixing edge 45, a mounting pipe 46 and a second fixing convex ring 47.

As shown in fig. 1 to 4:

a portable tumor taking device for oncology department comprises a rack 1, an operating mechanism 2 and an adsorption mechanism 3, wherein a handle 11 is formed at the rear end of the rack 1 in a downward extending mode, the adsorption mechanism 3 comprises a piston rod 31, a piston assembly 4, a piston cylinder 32 and an adsorption head 33 connected to the front end of the piston cylinder 32, the piston assembly 4 is arranged in the piston cylinder 32 and can slide along the inner wall of the piston cylinder 32, the piston rod 31 is connected to the rear end of the piston assembly 4, the rear end of the piston cylinder 32 is connected to a fixed head 12 on the rack 1, the rear end of the piston rod 31 penetrates through a through hole on the rack 1 and penetrates out of the rear end of the rack 1, an adjusting spur rack 34 is arranged on the piston rod 31, the through hole is configured to correspond to the shapes of the piston rod 31 and the adjusting spur rack 34 so as to prevent the piston rod 31 from rotating and guide the linear telescopic movement of the piston rod 31, a, the operating mechanism 2 comprises a pressing handle 21 and a pushing structure, the pressing handle 21 is pivoted on the frame 1 through a pivot 22, the pushing structure comprises a positioning piece 23 and a driving piece 24, the positioning piece 23 is pivoted on the pivot 22 and is arranged in the control cavity 13, one end of the positioning piece 23 abuts against the ratchet of the adjusting spur rack 34, the driving piece 24 is pivoted on the pressing handle 21, a torsion spring 25 is arranged between the driving piece 24 and the pressing handle 21, the torsion spring enables the upper end of the driving piece to have a forward rotation trend, the driving piece can quickly abut against the next ratchet and reset the pressing handle 21, a reset elastic piece 26 is arranged at the lower end of the positioning piece 23, when the pressing handle 21 is pressed, the pushing piece 27 of the driving piece 24 can push against the adjusting spur rack 34 in the control cavity 13 for pushing the piston rod 31 to move towards the rear direction, the positioning piece 23 and the ratchet of the adjusting spur rack 34 are matched to form one-way transmission, the push-off structure cooperates with different ratchets for adjusting the spur rack 34 to enable the piston rod 31 to move different distances so as to adjust the suction force of the adsorption head 33, when the piston rod 31 is pulled, because the air pressure in the piston cylinder in front of the piston assembly is negative pressure, the operation mechanism 2 is used for pulling step by step, so that the operation is more labor-saving.

In the embodiment, the middle part of the driving member 24 protrudes forward to form a vertex angle 28, the pressing handle 21 opens, and when a certain angle is formed with the handle 11, the vertex angle 28 pushes the lower end of the positioning member 23, so that the positioning member 23 is separated from the ratchet of the adjusting spur rack 34, and the unidirectional locking of the positioning member on the piston rod can be released through the one-hand operation, thereby releasing the piston rod.

In the embodiment, spring 35 has been put to the cover on the body of rod that piston rod 31 is located piston cylinder 32, spring 35 one end is contradicted with piston assembly 4 and is cooperated, spring 35's the other end is contradicted with fixed head 12 and is cooperated, when needs release tumour, only need pull pressure handle 21, setting element 23 relieves the locking to the piston rod, atmospheric pressure in the piston cylinder in piston assembly the place ahead is far less than the atmospheric pressure at piston assembly rear, under pressure difference and spring 35 effect, piston assembly moves along the piston cylinder forward, make the absorption head no longer adsorb the tumour, realize the quick release tumour of absorption head, the operation can be carried out fast effectually has been guaranteed.

In the embodiment, the piston assembly 4 includes a front push plate 41, a piston pad 42 and a rear push plate 43, and the piston pad 42 is fixed between the front push plate 41 and the rear push plate 43, so that the piston pad 42 is not easily deformed in the moving process, and the air tightness between the piston assembly and the piston cylinder is increased.

In the embodiment, the outer diameter of the front push plate 41 is larger than that of the rear push plate 43, when the piston assembly is pulled backwards, the air pressure in the piston cylinder in front of the piston assembly is far smaller than the air pressure behind the piston assembly, and the piston pad tends to be pushed forwards, so that the outer diameter of the front push plate is larger than that of the rear push plate, which is beneficial to improving the air tightness, the periphery of the front push plate 41 extends backwards to form a rear fixing edge 44, the periphery of the rear push plate 43 extends forwards to form a front fixing edge 45, the piston pad 42 is provided with an annular groove matched with the front fixing edge 45 and the rear fixing edge 44, so that the air tightness is improved, and the air is prevented from entering between the push plate.

In the embodiment, the center of the front push plate 41 is extended backwards to form the installation pipe 46 with the tubular structure matched with the piston rod 31, an internal thread is formed in the installation pipe 46, and an external thread which is in threaded combination with the internal thread is formed at the front end of the piston rod 31, so that the connection is more convenient, and the installation of the piston assembly is more rapid.

In the embodiment, a ring of pressing ring 36 is formed on the outer periphery of the front end of the piston rod 31, and the front end surface of the pressing ring 36 abuts against the surface of the rear pushing plate 43, so that the piston pad is firmly pressed between the front pushing plate and the rear pushing plate.

In the embodiment, a second fixing convex ring 47 is formed on the rear end surface of the front push plate 41, an annular groove matched with the second fixing convex ring 47 is formed on the piston pad 42, and the front fixing edge 45 is correspondingly fixed between the second fixing convex ring 47 and the rear fixing edge 44, so that the air tightness is improved.

In the embodiment, a reinforcing rib 14 is arranged between the frame 1 and the fixed head 12.

In the embodiment, the piston cylinder 32 is made of transparent material, and scales are arranged on the piston cylinder 32, so that the air pressure value in the piston cylinder can be observed.

The working principle and the using method of the invention are as follows:

the invention adopts the principle of negative pressure adsorption, when in use, an appropriate adsorption head is selected according to the size of a tumor, the adsorption head is connected at the front end of a piston cylinder and is abutted against the surface of the tumor, the pressing end of a pressing handle is pressed towards the handle direction, the ratchet of a regulating spur rack in a control cavity is pushed by the pushing top part of a driving piece and is used for pushing a piston rod to move towards the back, a positioning piece is matched with the ratchet of the regulating spur rack to form one-way transmission, the piston rod is further driven to move backwards, the piston rod drives a piston assembly to move backwards, so that the adsorption head at the front end of the piston cylinder adsorbs the surface of the tumor, the pressing end of the pressing handle is released, the torsion spring enables the upper end of the driving piece to have the trend of rotating forwards, the driving piece can be rapidly abutted against the next driving piece and reset the pressing handle, the suction force of the adsorption head is regulated by repeatedly pressing the, make and press the handle to open, and when forming certain angle with the handle and being about the degree, the apex angle pushes away the lower extreme of setting element, make setting element and the ratchet separation of adjusting the spur rack, the setting element is relieved the locking to the piston rod, atmospheric pressure in the piston cylinder in piston assembly the place ahead is far less than the atmospheric pressure at piston assembly rear, under pressure difference and spring action, piston assembly moves along the piston cylinder forward, make the absorption head no longer adsorb the tumour, realize quick release, the adjustment is absorb the position, adjust the absorption position as required, repeat above-mentioned step and just can adsorb the tumour once more.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.

Claims

1. A portable tumor uptake device for oncology department is characterized in that: including frame (1), operating device (2) and adsorption apparatus structure (3), the rear end department of frame (1) extends downwards and is formed with handle (11), adsorption apparatus structure (3) include piston rod (31), piston assembly (4), piston cylinder (32) and connect adsorption head (33) at piston cylinder (32) front end, piston assembly (4) set up can slide along the inner wall of piston cylinder (32) in piston cylinder (32), the rear end at piston assembly (4) is connected in piston rod (31), the rear end of piston cylinder (32) is connected on fixed head (12) on frame (1), the rear end of piston rod (31) passes the perforating hole on frame (1) and wears out from frame (1) rear end, be provided with on piston rod (31) and adjust spur rack (34), the perforating hole be configured with piston rod (31) and the shape of adjusting spur rack (34) correspond, thereby prevent thereby piston rod (31) rotation guide the straight line telescopic movement of piston rod (31), be formed with on frame (1) with control chamber (13) of perforating hole intercommunication, operating device (2) are including pressing handle (21) and pushing away the fender structure, press handle (21) to establish through pivot (22) pivot on frame (1), it includes a setting element (23) and a driving piece (24) to push away the fender structure, setting element (23) pivot is located on pivot (22), and put and locate in control chamber (13), setting element (23) one end supports in the ratchet of adjusting spur rack (34), driving piece (24) pivot is located press on handle (21), driving piece (24) with press and be equipped with a torsional spring (25) between handle (21), the lower extreme of setting element (23) is provided with reset elastic component (26), press when pressing handle (21), can push up the ratchet of regulation spur rack (34) in control chamber (13) through top of pushing away (27) of driving piece (24), be used for promoting piston rod (31) move towards the rear, setting element (23) with the ratchet cooperation of adjusting spur rack (34) constitutes one-way transmission, thereby push away the ratchet cooperation that the fender structure and different regulation spur rack (34) made piston rod (31) move the suction of different distances regulation adsorption head (33).

2. The portable tumor uptaking device as claimed in claim 1, wherein: the middle part of the driving piece (24) protrudes forwards to form a vertex angle (28), the pressing handle (21) is opened, and when a certain angle is formed between the pressing handle and the handle (11), the vertex angle (28) pushes the lower end of the positioning piece (23), so that the positioning piece (23) is separated from the ratchet of the adjusting straight rack (34).

3. The portable tumor uptaking device as claimed in claim 2, wherein: the piston rod (31) is positioned on the rod body in the piston cylinder (32) and sleeved with a spring (35), one end of the spring (35) is in interference fit with the piston assembly (4), and the other end of the spring (35) is in interference fit with the fixing head (12).

4. The portable tumor uptaking device as claimed in claim 3, wherein: the piston assembly (4) comprises a front push plate (41), a piston pad (42) and a rear push plate (43), and the piston pad (42) is fixed between the front push plate (41) and the rear push plate (43).

5. The portable tumor uptaking device as claimed in claim 4, wherein: the external diameter of preceding push pedal (41) is greater than the external diameter of back push pedal (43), the periphery of preceding push pedal (41) is extended backward and is established back fixed edge (44), the periphery of back push pedal (43) is extended forward and is established preceding fixed edge (45), be equipped with on piston pad (42) with preceding fixed edge (45) and the annular of back fixed edge (44) adaptation.

6. The portable tumor uptaking device as claimed in claim 5, wherein: the center of the front push plate (41) is backwards extended to form a mounting pipe (46) of a tubular structure matched with the piston rod (31), an internal thread is formed in the mounting pipe (46), and an external thread in threaded combination with the internal thread is formed at the front end of the piston rod (31).

7. The portable tumor uptaking device as claimed in claim 6, wherein: a circle of pressing ring (36) is formed on the periphery of the front end of the piston rod (31), and the front end face of the pressing ring (36) is abutted to the surface of the rear pushing plate (43).

8. The portable tumor uptaking device as claimed in claim 7, wherein: preceding push pedal (41) the rear end face on be formed with the fixed bulge loop of second (47), be equipped with the annular with the fixed bulge loop of second (47) adaptation on piston pad (42), preceding fixed position between the fixed bulge loop of second (47) and the fixed back of following (44) is fixed along (45) correspondence.

9. The portable tumor uptaking device as claimed in claim 8, wherein: and a reinforcing rib (14) is arranged between the rack (1) and the fixed head (12).

10. The portable tumor uptaking device as claimed in claim 9, wherein: the piston cylinder (32) is made of transparent materials, and scales are arranged on the piston cylinder (32).